CN216212770U - Switching power supply for display device and display device - Google Patents
Switching power supply for display device and display device Download PDFInfo
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- CN216212770U CN216212770U CN202122533588.5U CN202122533588U CN216212770U CN 216212770 U CN216212770 U CN 216212770U CN 202122533588 U CN202122533588 U CN 202122533588U CN 216212770 U CN216212770 U CN 216212770U
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Abstract
The utility model discloses a switching power supply for a display device and a display device, comprising: the magnetic core is arranged on the power supply frame, and the winding group is arranged in the power supply frame; the power frame comprises at least two winding tables arranged side by side along the length direction, and the surfaces of the winding tables are provided with containing holes in a penetrating way; the magnetic core is arranged in the accommodating hole; the winding groups and the winding table are correspondingly divided into at least two groups and are respectively wound on the outer wall of the winding table. The problem of whole switching power supply among the prior art great in thickness direction, whole volume is great is solved.
Description
Technical Field
The utility model relates to the technical field of display equipment, in particular to a switching power supply for a display device and the display device.
Background
With the increasing demand for energy, the demand of consumers for power technology is further increasing. The switching power supply has the advantages of high power conversion efficiency, small size, light weight, high control precision and the like, so the switching power supply is gradually replacing a linear power supply to become a main application in partial fields, and particularly the switching power supply is widely applied in a small power range.
Switching power supply among the current display device, including the skeleton, set up a wire winding platform in the skeleton, all wire winding groups all follow thickness direction and carry out the wire winding at the wire winding bench, lead to wire winding platform long at thickness direction's distance like this to make whole switching power supply grow, whole volume grow in thickness direction. When the conventional switching power supply is applied to a display device, particularly a portable electronic device (such as a mobile phone, a digital camera, etc.), the size of the power supply leads to a large thickness of the whole body, and thus the power supply cannot meet the user's requirements. The conventional switching power supply with large thickness cannot be installed in thin display equipment, so that the use requirement of the thin display equipment cannot be met.
Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a switching power supply for a display device and a display device, which solve the problems of the prior art that the whole switching power supply is large in the thickness direction and the whole volume is large.
The technical scheme of the utility model is as follows:
a switching power supply for a display device, comprising:
the magnetic core is arranged on the power supply frame, and the winding group is arranged in the power supply frame;
the power frame comprises at least two winding tables arranged side by side along the length direction, and the surfaces of the winding tables are provided with containing holes in a penetrating way;
the magnetic core is arranged in the accommodating hole;
the winding groups and the winding table are correspondingly divided into at least two groups and are respectively wound on the outer wall of the winding table.
According to the scheme, the power frame is provided with two winding tables which are arranged along the length direction, and the winding groups and the winding tables are correspondingly divided into at least two groups and are respectively wound on the outer walls of the winding tables. The winding component that will follow the wire winding of thickness direction like this is two sets of that set up side by side to carry out the wire winding, thereby reduce original switching power supply in thickness direction, not only reduce product height and volume like this, and increase the purpose of wire winding position. The whole switching power supply is flattened, the single transformer can meet the 160W power requirement, and the switching power supply can be applied to an ultrathin television after the thickness is reduced.
Furthermore, the surface of the winding table is also provided with vent holes, and the vent holes and the accommodating holes are arranged side by side along the length direction.
Through above-mentioned scheme, the air vent sets up side by side with the holding hole, makes the volume increase of wire winding platform, and when the magnetic core set up in the holding chamber, when the winding group twined on wire winding platform outer wall, because the spacing distance of air vent, the winding group was far away from the magnetic core, and the temperature rise effect of whole product will be lower 6-8 ℃ than traditional switching power supply structure, has better radiating effect, and the heat dissipation that like this as power application and application to display device requires the standard to be low. And the vent hole is contacted with the outside air, thereby further increasing the heat dissipation effect.
Further, the power frame includes: the winding table is connected in a gap between the upper support plate and the lower support plate;
the accommodating hole and the vent hole penetrate through the upper support plate and the lower support plate.
Through the scheme, the winding table is formed between the upper support plate and the lower support plate, so that the winding group can conveniently wind between the gap between the upper support plate and the lower support plate. A large gap is formed between the upper support plate and the lower support plate, and the power frame is favorable for heat dissipation.
Further, be provided with the pin wire winding portion that is located length direction both sides on the power frame, pin wire winding portion includes:
the foot stand is detachably connected with the power supply frame;
the pin, the pin is provided with a plurality ofly, and a plurality of pins are along width direction interval setting on the foot rest.
Through the scheme, the pin winding part is used for connecting the winding group with an external circuit, so that the electric connection function is realized.
The pin is buckled and is formed perpendicular foot and horizontal foot, erects the foot and extends along upper and lower direction, and horizontal foot extends along length direction, when wire winding group connects on the pin like this, can realize length direction or the output of upper and lower direction, makes switching power supply more practical.
Further, the foot guide comprises a clamping table part which is clamped in a gap between the upper support plate and the lower support plate;
the clamping table part is provided with a clamping hook, the upper support plate is provided with a clamping hole, and the clamping hook is clamped and embedded in the clamping hole;
the upper surface and the lower surface of the clamping table part are both provided with limiting baffles, the limiting baffles on the upper surface are abutted against the edge of the upper supporting plate, and the limiting baffles on the lower surface are abutted against the edge of the lower supporting plate.
Through above-mentioned scheme, realize pin wire winding portion and power frame's high-speed joint, directly inlay in the card hole through the pothook inlay card, rethread limit baffle is spacing to two upper and lower positions to make pin wire winding portion connect on power frame, convenient the dismantlement.
Further, the power frame further includes: the plurality of winding posts are located at two ends of the upper support plate in the length direction and respectively arranged corresponding to the pins, and the winding posts extend towards the pins.
Through above-mentioned scheme, the winding is organized the winding and is gone out in the clearance between upper bracket and the lower bolster to the tip of winding group extends from the winding post on earlier winding to the tip of winding group is fixed to the winding post, welds the tip of winding group to the pin again. Realize the electricity and connect, the group welding of winding is stable like this, is difficult for breaking away from.
Further, the wrapping post is bakelite. Through the scheme, the bakelite has high mechanical strength, good insulativity, heat resistance and corrosion resistance. The wrapping post of bakelite material enables the stable winding of winding group to be fixed.
Furthermore, the power frame is divided into a first half frame and a second half frame which are detachably connected, and the two winding tables are respectively positioned on the first half frame and the second half frame.
Through above-mentioned scheme, divide into first half frame and second half frame with power frame along length direction's intermediate position, form this power frame with first half frame and the concatenation of second half frame, can carry out the wire winding respectively with first half frame and second half frame, be convenient for like this the wire winding on respective wire winding platform outer wall. And then the first half frame and the second half frame are spliced, so that a complete power supply frame is conveniently and quickly formed.
Furthermore, containing grooves are formed in the surfaces of the upper support plate and the lower support plate and are respectively connected with openings of the containing holes on the two sides;
the magnetic core includes: the upper connecting part is positioned in the accommodating groove of the upper support plate;
the side connecting parts on the two sides are connected to the upper connecting part and are respectively positioned in the accommodating holes on the two sides;
and the lower connecting part is connected with the side connecting parts at two sides and is positioned in the accommodating groove of the lower support plate.
Through the scheme, the magnetic cores can be respectively connected with the containing holes on the two sides through the side connecting parts on the two sides, and the voltage transformation function is also realized while the two half-side power frames are connected.
Based on the same concept, the present solution also proposes a display device, wherein the switching power supply as described above is included.
Has the advantages that: compared with the prior art, the switching power supply for the display device and the display device provided by the utility model have the advantages that the power supply frame is provided with the two winding tables, the two winding tables are arranged along the length direction, the winding groups and the winding tables are correspondingly divided into at least two groups and are respectively wound on the outer walls of the winding tables. The winding component that will follow the wire winding of thickness direction like this is two sets of that set up side by side to carry out the wire winding, thereby reduce original switching power supply in thickness direction, not only reduce product height and volume like this, and increase the purpose of wire winding position. The whole switching power supply is flattened, the single transformer can meet the 160W power requirement, and the switching power supply can be applied to an ultrathin television after the thickness is reduced. The temperature rise effect of the whole product is 6-8 ℃ lower than that of the existing power supply, and the heat dissipation effect is good.
Drawings
Fig. 1 is a cross-sectional view of an embodiment of a switching power supply for a display device according to the present invention;
FIG. 2 is a schematic diagram of a switching power supply for a display device according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of another embodiment of a switching power supply for a display device according to the present invention;
fig. 4 is an exploded view of an embodiment of a switching power supply for a display device according to the present invention;
FIG. 5 is a schematic diagram of a portion of a switching power supply for a display device according to an embodiment of the present invention;
fig. 6 is a schematic diagram illustrating a winding principle of a switching power supply for a display device according to the present invention.
The reference numbers in the figures: 100. a power frame; 110. a winding table; 111. a housing hole; 112. a vent hole; 120. an upper support plate; 121. a clamping hole; 122. a winding post; 130. a lower support plate; 140. a first half frame; 141. a clamping table; 150. a second half frame; 151. a clamping groove; 160. a containing groove; 200. a magnetic core; 210. an upper connecting portion; 220. a side connection portion; 230. a lower connecting portion; 300. winding; 400. a pin winding part; 410. a foot-guiding frame; 420. a pin; 421. erecting legs; 422. a transverse leg; 430. a clamping table part; 431. a hook; 432. and a limiting baffle.
Detailed Description
The utility model provides a switching power supply for a display device and the display device, and in order to make the purpose, technical scheme and effect of the utility model clearer and clearer, the utility model is further described in detail by referring to the attached drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The conventional EE53 framework power supply only comprises a winding table, a primary winding and a secondary winding are both wound on the winding table in an alphabetical sleeve mode along the up-down direction, and the primary winding 1-6 and the secondary winding 7-12 are completed by a semi-automatic winding machine through manual winding. The core Ae of the power supply is 155.6mm2The requirement of 150W can be met, the height of a winding space is only 2mm when the height of the framework reaches 10mm, and the height of the whole power supply structure reaches 10.85mm after the primary winding and the secondary winding are wound on the winding table. No further compression can be performed. However, the height of the power supply is still large, and the use requirements of display equipment such as an ultrathin television and the like cannot be met.
Therefore, as shown in fig. 1, the present embodiment proposes a switching power supply for a display device, for solving the problem of a high height of the conventional power supply, the switching power supply comprising: the power supply comprises a power supply frame 100, a magnetic core 200 arranged on the power supply frame 100, and a winding group 300 arranged in the power supply frame 100. For facilitating the structural description, the orthographic projection profile of the power frame 100 of the embodiment on the horizontal plane is square, the direction of the long side of the square power frame 100 is the length direction, and the direction of the short side is the width direction, and the structural description is performed. It is easy to think that the length direction and the width direction in this scheme are only perpendicular to each other in the horizontal plane, and the short side may be the length direction and the long side may be the width direction.
As shown in fig. 1, 2, and 3, in the present embodiment, the power frame 100 includes at least two winding bases 110 arranged side by side along a longitudinal direction, a receiving hole 111 is formed through a surface of the winding base 110, and the receiving hole 111 penetrates the winding base 110 in a vertical direction. The magnetic core 200 is disposed in the receiving hole 111. The winding groups 300 are divided into at least two groups corresponding to the winding table 110, and are respectively wound on the outer wall of the winding table 110.
Through the scheme, the power frame 100 is provided with two winding tables 110, the two winding tables 110 are arranged along the length direction, and the winding groups 300 are divided into at least two groups corresponding to the winding tables 110 and respectively wound on the outer walls of the winding tables 110. Thus, the winding groups 300 which are wound in the thickness direction are divided into two groups which are arranged side by side, and winding is carried out, so that the original switching power supply is reduced in the thickness direction, the height and the volume of the product are reduced, and the whole thickness of the product can be reduced to 6 mm; and the winding position is enlarged. The whole switching power supply is flattened, the single transformer can meet the 160W power requirement, and the switching power supply can be applied to an ultrathin television after the thickness is reduced.
As shown in fig. 2, in a specific structure of this embodiment, the power frame 100 includes: the winding table 110 is connected in a gap between the upper support plate 120 and the lower support plate 130. That is, the winding table 110 may be integrally provided with the upper plate 120 and the lower plate 130. The receiving hole 111 penetrates the upper plate 120 and the lower plate 130. The winding table 110 is formed between the upper support plate 120 and the lower support plate 130, so that the winding set 300 can facilitate winding between the gaps between the upper support plate 120 and the lower support plate 130. The large gap formed between the upper support plate 120 and the lower support plate 130 also facilitates heat dissipation of the power frame 100.
As shown in fig. 2 and 3, the surface of the winding table 110 is further provided with a vent hole 112, and the vent hole 112 and the accommodating hole 111 are arranged side by side along the length direction. In this embodiment, the vent holes 112 extend through both the upper plate 120 and the lower plate 130. The vent hole 112 and the containing hole 111 are arranged side by side, so that the volume of the winding table 110 is increased, when the magnetic core 200 is arranged in the containing cavity, and the winding group 300 is wound on the outer wall of the winding table 110, because of the spacing distance of the vent hole 112, the winding group 300 is far away from the magnetic core 200, the temperature rise effect of the whole product is 6-8 ℃ lower than that of the traditional switching power supply structure, and the whole product has a better heat dissipation effect, so that the heat dissipation requirement standard of the power supply application and the display equipment application is low. And the air vent 112 is in contact with the outside air, further increasing the heat dissipation effect.
As shown in fig. 2 and 4, the power frame 100 in this embodiment is provided with a pin winding portion 400 located at two sides in the length direction, where the pin winding portion 400 includes: a pin frame 410, and a plurality of pins 420. The foot stand 410 is detachably connected to the power frame 100, and a plurality of leads 420 are disposed on the foot stand 410 at intervals in a width direction. The pin winding part 400 is used for connecting the winding group 300 with an external circuit, thereby realizing an electrical connection function.
As shown in fig. 2, the pins 420 are bent to form vertical pins 421 and horizontal pins 422, the vertical pins 421 extend in the vertical direction, and the horizontal pins 422 extend in the length direction, so that when the winding set 300 is connected to the pins 420, the output in the length direction or the vertical direction can be realized, and the switching power supply is more practical.
Through the arrangement of the plurality of pins 420, as shown in fig. 6, the primary winding of the scheme is wound by the stranded wires, and the pins 420 are provided with reserved pins, which can satisfy the winding of the double auxiliary windings, and the secondary winding satisfies the two-path voltage output. Referring to fig. 6 and the following table, reference numerals 1 and 2 denote primary windings, and reference numerals 3 and 4 denote secondary windings. The relationship between the winding and the pin 420 end is as follows:
as shown in fig. 5, the foot stand 410 in the present embodiment includes the table portions 430, the table portions 430 are located on both sides in the width direction, and the table portions 430 are fitted in the gap between the upper plate 120 and the lower plate 130. A clamping hook 431 is arranged on the clamping platform part 430, a clamping hole 121 is formed in the upper support plate 120, and the clamping hook 431 is clamped and embedded in the clamping hole 121; the upper surface and the lower surface of the clamping table part 430 are provided with limit baffles, the limit baffles on the upper surface abut against the edge of the upper support plate 120, and the limit baffles on the lower surface abut against the edge of the lower support plate 130. Through bayonet socket portion 430 can realize the high-speed joint of pin wire winding portion 400 and power frame 100, directly inlay card in calorie hole 121 through pothook 431, spacing to two upper and lower positions of rethread limit baffle to make pin wire winding portion 400 connect on power frame 100, convenient dismantlement.
As shown in fig. 2 and 3, the power frame 100 in this embodiment further includes: the plurality of winding posts 122 are located at two ends of the upper support plate 120 in the length direction and are arranged at intervals, the plurality of winding posts 122 are respectively arranged corresponding to the pins 420, the winding posts 122 extend towards the pins 420, and one end of the winding posts facing the pins 420 is connected to the foot guiding frame 410. Thus, after the winding group 300 is wound on the winding table 110, the end of the winding group 300 extends out of the gap between the upper and lower plates 120 and 130, and is wound on the winding post 122, the winding post 122 fixes the end of the winding group 300, and then the end of the winding group 300 is welded to the pin 420. Realize the electricity and connect, the group 300 welding of winding like this is stable, is difficult for breaking away from. The wrapping posts 122 are made of bakelite. Through the scheme, the bakelite has high mechanical strength, good insulativity, heat resistance and corrosion resistance. The winding post 122 made of bakelite can make the winding group 300 stably wound and fixed.
As shown in fig. 3 and 4, the power frame 100 in this embodiment is divided into a first half frame 140 and a second half frame 150 that are detachably connected, and the two winding stations 110 are respectively located on the first half frame 140 and the second half frame 150. Therefore, the upper support plate 120 and the lower support plate 130 are also divided into two halves, the first half frame 140 is provided with a clamping table 141 on one side in the width direction of the upper support plate 120, and the corresponding second half frame 150 is provided with a clamping groove 151 on one side in the width direction of the upper support plate 120; a clamping groove is arranged on one side of the lower support plate 130 of the first half frame 140 in the width direction, and a clamping table is arranged on one side of the upper support plate 130 of the second half frame 150 corresponding to the clamping groove in the width direction. The other side of the width direction of the upper support plate 120 of the first half frame 140 is provided with a clamping groove, and the other side of the width direction of the upper support plate 120 of the second half frame 150 corresponding to the clamping groove is provided with a clamping table; the other side of the width direction of the lower support plate 130 of the first half frame 140 is provided with a clamping table, and the other side of the width direction of the upper support plate 130 of the second half frame 150 corresponding to the clamping table is provided with a clamping groove. The first half frame 140 and the second half frame 150 are detachably connected by the cooperation of the clamping table 141 and the clamping groove 151. With the above structure, the middle position of the power frame 100 along the length direction is divided into the first half frame 140 and the second half frame 150, the first half frame 140 and the second half frame 150 are spliced to form the power frame 100, and the first half frame 140 and the second half frame 150 can be wound respectively, so that the winding sets 300 can be wound on the outer wall of the respective winding table 110 conveniently. The first half frame 140 and the second half frame 150 are then spliced, thereby conveniently and quickly forming the complete power frame 100.
As shown in fig. 4, the surfaces of the upper support plate 120 and the lower support plate 130 in this embodiment are both provided with receiving grooves 160, and the receiving grooves 160 are respectively connected with the openings of the receiving holes 111 at two sides; the magnetic core 200 includes: an upper connection part 210, side connection parts 220 at both sides, and a lower connection part 230. The upper connecting portion 210 is located in the receiving groove 160 of the upper support plate 120; the side connection parts 220 at both sides are connected to the upper connection part 210 and respectively located in the accommodation holes 111 at both sides; the lower connecting portion 230 is connected to the side connecting portions 220 at two sides and is located in the receiving groove 160 of the lower support plate 130. The upper connecting portion 210 and the lower connecting portion 230 of the magnetic core 200 are respectively engaged with the receiving groove 160 on the surface of the upper support plate 120 and the receiving groove 160 on the surface of the lower support plate 130, so that the portion of the magnetic core 200 protruding from the surface of the upper support plate 120 and the portion protruding from the surface of the lower support plate 130 become smaller. The thickness of the entire power supply is further reduced. Through the above scheme, the magnetic core 200 can be respectively connected with the accommodating holes 111 on both sides through the side connecting parts 220 on both sides, and the voltage transformation function is also realized while the two half power frames 100 are connected. The magnetic core has 200Ae value greater than 120mm2The single transformer can meet 160W power, and is suitable for LLC high-power topological structure scheme.
In addition, in the embodiment, based on the same concept, the present invention also provides a display device, wherein the display device comprises the switching power supply as described above. In addition to use in the television field, in other fields such as: power adapter, security protection product, air purifier, refrigerator, air conditioner etc. use switching power supply's consumer electronics product also can use, can not only improve switching power supply's height by a wide margin, reduce the temperature rise effect moreover by a wide margin.
In summary, compared with the prior art, the switching power supply for a display device and the display device provided by the present invention have the advantages that the power frame 100 is provided with the two winding tables 110, the two winding tables 110 are arranged along the length direction, and the winding groups 300 are divided into at least two groups corresponding to the winding tables 110 and respectively wound on the outer walls of the winding tables 110. The winding group 300 for winding in the thickness direction is divided into two groups arranged side by side and winding is performed, so that the original switching power supply is reduced in the thickness direction, the height and the volume of the product are reduced, and the winding position is increased. The whole switching power supply is flattened, the single transformer can meet the 160W power requirement, and the switching power supply can be applied to an ultrathin television after the thickness is reduced. The temperature rise effect of the whole product is 6-8 ℃ lower than that of the existing power supply, and the heat dissipation effect is good.
It is to be understood that the utility model is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the utility model as defined by the appended claims.
Claims (10)
1. A switching power supply for a display device, comprising: the magnetic core is arranged on the power supply frame, and the winding group is arranged in the power supply frame;
the power frame comprises at least two winding tables arranged side by side along the length direction, and the surfaces of the winding tables are provided with containing holes in a penetrating way;
the magnetic core is arranged in the accommodating hole;
the winding groups and the winding table are correspondingly divided into at least two groups and are respectively wound on the outer wall of the winding table.
2. The switching power supply for a display device according to claim 1, wherein a vent hole is further formed in a surface of the winding table, and the vent hole and the accommodating hole are arranged side by side in a length direction.
3. The switching power supply for a display device according to claim 2, wherein the power supply frame comprises: the winding table is connected in a gap between the upper support plate and the lower support plate;
the accommodating hole and the vent hole penetrate through the upper support plate and the lower support plate.
4. The switching power supply for a display device according to claim 3, wherein the power supply frame is provided with a pin winding part at both sides in a length direction, the pin winding part comprising:
the foot stand is detachably connected with the power supply frame;
the pin, the pin is provided with a plurality ofly, and a plurality of pins are along width direction interval setting on the foot rest.
5. The switching power supply for a display device according to claim 4, wherein the leg base includes a boss portion that is caught in a gap between the upper plate and the lower plate;
the clamping table part is provided with a clamping hook, the upper support plate is provided with a clamping hole, and the clamping hook is clamped and embedded in the clamping hole;
the upper surface and the lower surface of the clamping table part are both provided with limiting baffles, the limiting baffles on the upper surface are abutted against the edge of the upper supporting plate, and the limiting baffles on the lower surface are abutted against the edge of the lower supporting plate.
6. The switching power supply for a display device according to claim 4, wherein the power supply frame further comprises: the plurality of winding posts are located at two ends of the upper support plate in the length direction and respectively arranged corresponding to the pins, and the winding posts extend towards the pins.
7. The switching power supply for a display device according to claim 6, wherein the wrapping post is a bakelite wrapping post.
8. The switching power supply for a display device according to claim 3, wherein the power supply frame is divided into a first half frame and a second half frame which are detachably connected, and two of the winding stations are respectively located on the first half frame and the second half frame.
9. The switching power supply for a display device according to claim 8, wherein a receiving groove is provided on a surface of each of the upper support plate and the lower support plate, and the receiving grooves are respectively connected to openings of the receiving holes on both sides;
the magnetic core includes: the upper connecting part is positioned in the accommodating groove of the upper support plate;
the side connecting parts on the two sides are connected to the upper connecting part and are respectively positioned in the accommodating holes on the two sides;
and the lower connecting part is connected with the side connecting parts at two sides and is positioned in the accommodating groove of the lower support plate.
10. A display device comprising a switching power supply according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122533588.5U CN216212770U (en) | 2021-10-20 | 2021-10-20 | Switching power supply for display device and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122533588.5U CN216212770U (en) | 2021-10-20 | 2021-10-20 | Switching power supply for display device and display device |
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| Publication Number | Publication Date |
|---|---|
| CN216212770U true CN216212770U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122533588.5U Active CN216212770U (en) | 2021-10-20 | 2021-10-20 | Switching power supply for display device and display device |
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| Country | Link |
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| CN (1) | CN216212770U (en) |
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2021
- 2021-10-20 CN CN202122533588.5U patent/CN216212770U/en active Active
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