CN203351367U - Power supply unit capable of promoting heat dissipation effect and transformer thereof - Google Patents
Power supply unit capable of promoting heat dissipation effect and transformer thereof Download PDFInfo
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- CN203351367U CN203351367U CN 201320379107 CN201320379107U CN203351367U CN 203351367 U CN203351367 U CN 203351367U CN 201320379107 CN201320379107 CN 201320379107 CN 201320379107 U CN201320379107 U CN 201320379107U CN 203351367 U CN203351367 U CN 203351367U
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Abstract
The utility model provides a power supply unit capable of promoting a heat dissipation effect and a transformer thereof. The power supply unit is characterized in that a first winding and a primary winding are arranged in an iron core group, the iron core group is provided with a first side and a second side, the first side and the second side are located at opposite positions, the two ends of the first winding are pulled out of the first side of the iron core group, a second winding is provided with two winding wires, the two ends of each winding wire are pulled out of the first side and the second side of the iron core group respectively, and the second winding outputs currents from the two sides of the iron core group respectively; when the transformer is arranged on a substrate in the power supply unit, rectification plates are arranged on two sides of the transformer respectively through the substrate, the two rectification plates are electrically connected with the two winding wires of the second winding respectively, therefore currents of the second winding of the transformer are respectively output from two opposite sides to the rectification plates to be rectified, heat energy produced by the transformer can be quickened to be discharged and dissipated, the heat dissipation effect of the transformer is improved, and efficiency and safety of the power supply unit are guaranteed.
Description
Technical field
The utility model relates to a kind of transformer, but particularly a kind of transformer of improving radiating effect and use the power supply unit of this transformer.
Background technology
Power supply unit (Power Supply Unit) is an electronic equipment in computer system, main being responsible for changes into the galvanic current power supply by alternating current, and in the supply computer, other electronic installation uses, for a plurality of desktop computers, the common power output of power supply unit is between 200W to 500W, generally be applied on the system of mini desk telephone, main flow specification, as for 100W, with the internal power product, mainly as the power supply of the low-power equipments such as notebook computer, change feeding mechanism.
Please refer to shown in Fig. 8 and Fig. 9, it is a known power supply unit, be mainly to be respectively equipped with a transformer 81, synchronous rectification (SR) cowling panel 90 and a plurality of input, output device on a substrate 80, wherein this transformer 81 is mainly to be provided with a first side winding 821 and secondary side winding 822 compositions in an iron core group 82; Usually, this first side winding 821 (or claiming just winding) is to connect a power input, this secondary side winding 822 (or claim time winding) is for output current and be to be electrically connected to cowling panel 90, and this cowling panel 90 is connected with other output elements or load again.
Described primary side, secondary side winding 821,822 have the different numbers of turn, voltage and current, the winding that wherein voltage is higher is called the high pressure winding, voltage is lower is called the low pressure winding, for step-up transformer 81, a winding is the low pressure winding, and secondary winding is the high pressure winding, and the situation of step-down transformer 81 is just in time contrary, the number of turn of described high pressure winding is more, coiling is thinner, and the number of turn of low pressure winding is less, coiling is thicker; In addition, relative position by primary side, secondary side winding 821,822, can be divided into concentric type and overlapping type two classes, the primary side of concentric type, secondary side winding 821,822 is coaxial being set on center pillar, and the primary side of overlapping type, secondary side winding 821,822 are along the mutual overlapping winding of the short transverse of center pillar.
From aforementioned, transformer 81 is mainly to utilize the effect in magnetic field that the electric energy of one voltage quasi position is converted to another voltage quasi position, when electric current input first side winding 821, its magnitude of current affects the heat energy that coil sends, and under high temperature, transformer 81 has the problem of inefficacy; And the electronic component arrangements such as transformer 81, cowling panel 90, output filtering device or other a plurality of inputs, output device quite close on substrate 80, the used heat temperature that transformer 81 produces when operation is high, so will cause power supply unit and this transformer 81 that the anxiety of inefficacy is arranged.
Therefore, if can effectively reduce the working temperature of transformer 81, the effect of the loose used heat of the row of lifting, its advantage includes: the energy of empty consumption reduces, and can reach the effect of saving electric power, saves electric power to raise the efficiency; Effectively reduce the generation of used heat, can effectively reduce the temperature of power supply unit inside, the useful life that more can improve power supply unit; Because used heat reduces, be located at the temperature relative reduce of the power supply unit of any internal system, make system keep stable operation.
The utility model content
Because the existing problem of described prior art, but the utility model is to provide a kind of power supply unit and transformer thereof of improving radiating effect, and the heat energy that main purpose produces for accelerating the loose transformer of row, to improve radiating effect.
But for reaching the technological means that above-mentioned purpose takes, be the transformer that makes described improving radiating effect, it comprises:
One iron core group, have one first side and one second side that are positioned at relative position;
One first winding, be located in described iron core group, and the coiling two ends of this first winding are gone out by the first layback of described iron core group;
A winding, be located in described iron core group, and this time winding is mainly done coaxial the winding by two groups of coilings, and wherein the two ends of a coiling are gone out by the first layback of iron core group, and the two ends of another coiling are gone out by the second layback of iron core group;
Preferably, described iron core group is comprised of relative direction is superimposed two iron cores, and forms a center pillar in described iron core group, and this center pillar upper bush arranges just winding and time winding.
Preferably, described iron core group is comprised of PQ type, ETD type, EE type, EI type or EC type two iron cores.
Preferably, the first winding in described iron core group each around circle and the coiling order of time winding around circle, be around the order of circle around circle, first winding around circle, inferior winding for first winding from inside to outside that concentric circles is staggered to be wound around.
Preferably, described just winding, first winding inboard around circle around circle with inferior winding between circle, inferior winding all is coated with an insulating barrier around the outside of circle.
But another purpose of the utility model is to provide a kind of power supply unit of improving radiating effect, be mainly to adopt described transformer, with the radiating effect that improves power supply unit and make power supply unit keep stable operation and safety.
But be to make the power supply unit of described improving radiating effect comprise for reaching the technical way that described purpose takes:
One casing;
One substrate, be located in described casing;
One transformer, be positioned at casing and be located on described substrate; This transformer is mainly to set up first winding and a winding in an iron core group separately, and inferior winding is by two groups of coaxial windings of coiling, and is pulled out respectively by the both sides of iron core group;
A plurality of cowling panels, be located on described substrate, and lay respectively at the both sides of transformer, and each cowling panel is electrically connected to two coilings of inferior winding respectively.
Preferably, but the power supply unit of described improving radiating effect has two cowling panels, wherein a cowling panel is positioned at the first side of described iron core group, and another cowling panel is positioned at the second side of described iron core group, and described cowling panel is electrically connected to the first coiling, second coiling of inferior winding respectively.
Preferably, described two cowling panels are parallel being located on described substrate.
The beneficial effects of the utility model are:
1, the inferior winding of described transformer is to be pulled out respectively by the first side and second side of iron core group with two groups of coilings, making the secondary side power supply of transformer be divided into two-way sends, because electric current the time can generate heat by coiling, utilize aforesaid way that shunt current is exported, can accelerate to arrange the heat energy that loose transformer produces, improve its radiating effect.
2, by set transformer on the substrate of described power supply unit, this winding pulled out respectively to wind the line and output current to cowling panel by the both sides of iron core group and carried out rectification, utilize time winding output current along separate routes, thereby but scattered current is by the heat energy in when coiling, thereby can accelerate the transformer heat extraction, and then promote the radiating effect of power supply unit.
The accompanying drawing explanation
Fig. 1 is this first novel preferred embodiment outside drawing.
The action diagram of overlooking that Fig. 2 is this first novel preferred embodiment.
Another that Fig. 3 is this first novel preferred embodiment overlooked action diagram.
Fig. 4 is the another action diagram of overlooking of this first novel preferred embodiment.
Fig. 5 one overlooks action diagram again for this first novel preferred embodiment.
The profile that Fig. 6 is this first novel preferred embodiment.
The plane graph that Fig. 7 is this second novel preferred embodiment.
The base plan figure that Fig. 8 is a known power source supply.
Fig. 9 is a known transformer outside drawing.
The main element symbol description:
10 iron core group 11 first sides
12 second sides 20 are winding just
30 times, two ends of 20A, 20B coiling winding
31 first coiling 31A, 31B the first coiling two ends
32 second coiling 32A, 32B the second coiling two ends
40 insulating barrier 50 casings
60 substrate 70 transformers
71 cowling panels
8 substrate 81 transformers
82 iron core group 821 first side winding
822 secondary side winding 90 cowling panels.
Embodiment
About the first preferred embodiment of the present utility model, refer to shown in Fig. 1, it includes an iron core group 10, just winding 20, a winding 30; Wherein,
This iron core group 10 is comprised of relative direction is superimposed two iron cores, and at interior formation one center pillar of iron core group 10, sheathed just winding 20 and time winding 30 on this center pillar, this iron core group 10 has one first side 11 and one second side 12 that is positioned at relative position, and in the present embodiment, this iron core group 10 can by thermal diffusivity, preferably PQ type, ETD type, EE type, EI type or EC type two iron cores be formed, just winding 20 and time winding 30 have respectively a plurality of around circle, in the present embodiment, first winding 20 in this iron core group 10 is respectively around circle and the coiling order of time winding 30 around circle, to be that first winding 20 is around circle from inside to outside, inferior winding 30 is around circle, just winding 20 is the staggered winding of concentric circles around the order of circle, and in the present embodiment, respectively the center pillar of iron core group 10 and just winding 20 between circle, just winding 20 around circle with inferior winding 30 between circle, inferior winding 30 all is coated with an insulating barrier 40 around the outside of circle, in the present embodiment, this insulating barrier 40 refers to adhesive tape, make each be easier to when being fastened around circle arrange,
Be somebody's turn to do the just two ends 20A of winding 20,20B is pulled out by the first side 11 of iron core group 10, this time winding 30 is mainly done coaxially to be wound around to form respectively each around circle by two groups of coilings, two groups of coilings are one first coiling 31 and 1 second coiling 32, the two ends 31A of this first coiling 31,31B is pulled out by the first side 11 of iron core group 10, the two ends 32A of this second coiling 32,32B is pulled out by the second side 12 of iron core group 10, make in this way first, second coiling 31,32 difference output currents of the both sides by iron core group 10 of time winding 30.
And the winding mode of the present embodiment further illustrates, be illustrated in figure 2 the vertical view of the present embodiment, the placement direction of iron core group 10 of wherein take is aid illustration, towards the right side, the second side 12 directions towards a left side in these the first side 11 directions, at first, just the coiling one end 20A of winding 20 by the first side 11 directions around rising, walk around behind axle center again by the first side 11 direction wraparounds, winding repeatedly forms afterwards in this way has double-layer staggered first winding 20 around circle, be somebody's turn to do just winding 20 two ends 20A, 20B extends and pulls out towards the first side 11 directions;
Secondly, as shown in Figure 3, the first coiling 31 of this winding 30 starts to be wound in just winding 20 around circle by the first side 11 directions, and this first coiling 31 is while being wound to 1/2 circle, and this second coiling 32 is also added and is wound around together and forms coupling by the second side 12; Again, please refer to shown in Fig. 4, being wound in just around winding 20 repeatedly at inferior winding 30, and same formation has double-layer staggered inferior winding 30 around circle, the first coiling two ends 31A of 31 wherein, the two ends 32A of 31B and the second coiling 32,32B is extended by the first side 11 directions and the second side 12 directions respectively;
Finally, described first winding 20 two ends 20A that extend the first side 11 as shown in Figure 5,20B, more inferior winding 30 is wound around around the circle outside, and be equally after double-layer staggered and pulled out by the first side 11.
According to after described winding mode, refer to shown in Fig. 6, the mode that wherein just winding 20, inferior winding 30 are winding forms double-layer staggered around circle, just winding 20 is coated with insulating barrier 40 between circle and center pillar, just winding 20 also is coated with insulating barrier 40 around circle and time winding 30 between circle, inferior winding 30 also is coated with insulating barrier 40 around the first winding 20 of circle and outmost turns between circle, and last, the first winding 20 of outer ring is also coating insulating barrier 40; Described just winding 20, inferior winding 30 are mounted on iron core group 10, but form the transformer of an improving radiating effect.
Please refer to shown in Fig. 7, is that described transformer is used on power supply unit, to promote its radiating effect, comprises a casing 50, the described transformer 70 of a substrate 60, one and a plurality of cowling panel 71; Wherein,
This casing 50 has a plurality of ventilation holes, for the cold air of casing 50 outsides and inner hot-air formation convection current, in this casing 50, is provided with substrate 60, and this substrate 60 is rectangular and have two relative horizontal ends and two relative vertical end; This transformer 70 is located on this substrate 60, and a plurality of cowling panels 71 are located on described substrate 60, and lays respectively at the first side 11 and second side 12 of 10 groups of transformer 70 upper cores, and each cowling panel 71 is electrically connected to two coilings of inferior winding 30 respectively; In the present embodiment, have two cowling panels 71, wherein a cowling panel 71 is positioned at the first side 11 of iron core group 10, and another cowling panel 71 is positioned at the second side 12 of iron core group 10, and this cowling panel 71 is electrically connected to first coiling the 31, second coiling 32 of inferior winding 30 respectively.
Hence one can see that, the utility model is to make the inferior winding 30 of transformer be pulled out along separate routes by the first side 11, second side 12 of iron core group 10 respectively, because electric current is understood heating by coiling, through minute route first coiling the 31, second coiling 32 difference output currents, can accelerate the heat extraction of transformer itself, when using on power supply unit, also can improve radiating efficiency and the useful life of power supply unit, and guarantee the operation usefulness of power supply unit.
Claims (8)
1. but the transformer of an improving radiating effect, is characterized in that, but the transformer of described improving radiating effect comprises:
One iron core group, described iron core group has one first side and one second side that is positioned at relative position;
One first winding, described just winding is located in described iron core group, and the coiling two ends of this first winding are gone out by the first layback of iron core group;
A winding, described time winding is located in described iron core group, and this time winding is done coaxial the winding by two groups of coilings, and wherein the two ends of a coiling are gone out by the first layback of described iron core group, and the two ends of another coiling are gone out by the second layback of described iron core group.
2. but the transformer of improving radiating effect according to claim 1, is characterized in that, described iron core group is comprised of relative direction is superimposed two iron cores, and forms a center pillar in described iron core group, and this center pillar upper bush arranges just winding and time winding.
3., but the transformer of improving radiating effect according to claim 1, is characterized in that, described iron core group is comprised of PQ type, ETD type, EE type, EI type or EC type two iron cores.
4. but the transformer of improving radiating effect according to claim 2, it is characterized in that, first winding in described iron core group each around circle and the coiling order of time winding around circle, be around the order of circle around circle, first winding around circle, inferior winding for first winding from inside to outside that concentric circles is staggered to be wound around.
5. but the transformer of improving radiating effect according to claim 3, is characterized in that, described just winding is inboard around circle, first winding around circle with inferior winding between circle, inferior winding all is coated with an insulating barrier around the outside of circle.
6. but the power supply unit of an improving radiating effect, is characterized in that, but the power supply unit of described improving radiating effect comprises:
One casing;
One substrate, described substrate is located in described casing;
One transformer, described transformer is positioned at described casing and is located on described substrate; This transformer comprises the described transformer of any one in claim 1 to 5;
A plurality of cowling panels, described a plurality of cowling panels are located on described substrate, and lay respectively at the first side and second side of transformer upper core group, and each cowling panel is electrically connected to two coilings of described transformer time winding respectively.
7. but the power supply unit of improving radiating effect according to claim 6, it is characterized in that, but the power supply unit of described improving radiating effect has two cowling panels, wherein a cowling panel is positioned at the first side of described iron core group, another cowling panel is positioned at the second side of described iron core group, and described cowling panel is electrically connected to the first coiling, second coiling of inferior winding respectively.
8., but the power supply unit of improving radiating effect according to claim 7, is characterized in that, described two cowling panels are parallel being located on described substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320379107 CN203351367U (en) | 2013-06-28 | 2013-06-28 | Power supply unit capable of promoting heat dissipation effect and transformer thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320379107 CN203351367U (en) | 2013-06-28 | 2013-06-28 | Power supply unit capable of promoting heat dissipation effect and transformer thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203351367U true CN203351367U (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320379107 Expired - Fee Related CN203351367U (en) | 2013-06-28 | 2013-06-28 | Power supply unit capable of promoting heat dissipation effect and transformer thereof |
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| Country | Link |
|---|---|
| CN (1) | CN203351367U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914000A (en) * | 2014-12-05 | 2016-08-31 | 海宁联丰东进电子有限公司 | Power filter |
-
2013
- 2013-06-28 CN CN 201320379107 patent/CN203351367U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914000A (en) * | 2014-12-05 | 2016-08-31 | 海宁联丰东进电子有限公司 | Power filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20190628 |
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| CF01 | Termination of patent right due to non-payment of annual fee |