CN204066990U - A kind of power transformer - Google Patents

A kind of power transformer Download PDF

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Publication number
CN204066990U
CN204066990U CN201420489445.6U CN201420489445U CN204066990U CN 204066990 U CN204066990 U CN 204066990U CN 201420489445 U CN201420489445 U CN 201420489445U CN 204066990 U CN204066990 U CN 204066990U
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CN
China
Prior art keywords
iron core
winding
coil
internal layer
drum stand
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420489445.6U
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Chinese (zh)
Inventor
吴章雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XUNXIAO HONGXINHE ELECTRONIC INDUSTRY AND TRADE Co Ltd
Original Assignee
XUNXIAO HONGXINHE ELECTRONIC INDUSTRY AND TRADE Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by XUNXIAO HONGXINHE ELECTRONIC INDUSTRY AND TRADE Co Ltd filed Critical XUNXIAO HONGXINHE ELECTRONIC INDUSTRY AND TRADE Co Ltd
Priority to CN201420489445.6U priority Critical patent/CN204066990U/en
Application granted granted Critical
Publication of CN204066990U publication Critical patent/CN204066990U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a kind of power transformer, it comprises by coil rack, the transformer body of coil windings and iron core composition, and described coil rack comprises iron core sleeve, and iron core sleeve is outwards provided with internal layer drum stand and outer drum stand; Described internal layer winding is identical with the winding structure of outer winding, each winding at least four sections, forms ventilation voids, wherein have at least between the circle on one section of coil and circle and be provided with ventilation gap between adjacent two sections of coils; Described iron core is that two U-shaped iron core docking form, described U-shaped iron core comprises two parallel free posts, described iron core sleeve jacket casing is contained on a free post of U-shaped iron core, the free post of suit iron core sleeve is cylindrical shape, another free post is rectangular cylindrical, it arranges snap-ring groove, and clip is by two U-shaped iron core docking clampings; Described transformer body is placed in enclosure interior, and described housing comprises shell body, screen and inner housing; Potting resin between inner walls and transformer body.

Description

A kind of power transformer
Technical field
The utility model relates to a kind of transformer, specifically for assembling power supply.
Background technology
The kind of current power transformer is more, and along with power supply frequency of utilization and the increase of time, in conventional power source, the heat radiation of transformer does not reach requirement, causes the instability that works long hours of power supply, easily damages; Meanwhile, the housing of existing power supply transformer is single layer structure, and cannot stop the electromagnetic radiation of transformer itself, this radiation very likely affects the work of power source internal components and parts, result in the instability of power work equally; Finally we find, the assembling process relative complex of existing transformer, its iron core is independent column structure, and the fixed structure of cylinder itself is comparatively complicated, and assembling process is wasted time and energy relatively.
Utility model content
Technical problem to be solved in the utility model is that, for above-mentioned deficiency of the prior art, provide a kind of power transformer, its perfect heat-dissipating, shields, and assembling process is simple simultaneously, and efficiency is high; Whole transformer can ensure the long-time stable work of power supply after being used for power supply.
The utility model solves the technical scheme that its technical problem adopts: a kind of power transformer, comprise by coil rack, the transformer body of coil windings and iron core composition, described coil rack comprises the iron core sleeve for being sleeved on iron core, and iron core sleeve passes outwardly support bar and is provided with internal layer drum stand and outer drum stand with one heart; Ventilation air duct is formed between internal layer drum stand and outer drum stand; Described internal layer drum stand is wound with internal layer winding, described outer drum stand is wound with outer winding;
Described internal layer winding is identical with the winding structure of outer winding, and each winding is formed by single layer, multi-turn coil, and each winding is configured at least four sections, connect successively between four sections, the 4th section of coil from top to bottom successively, the 3rd section of coil, second segment coil and first paragraph coil; Form ventilation voids between adjacent two sections of coils, wherein have at least between the circle on one section of coil and circle and be provided with ventilation gap; The free end of the 4th section of coil is connected to terminals, and the free end of first paragraph coil is connected to lower terminals;
Described iron core is that two U-shaped iron core docking form, described U-shaped iron core comprises two parallel free posts, described iron core sleeve jacket casing is contained on a free post of U-shaped iron core, the free post of suit iron core sleeve is cylindrical shape, another free post is rectangular cylindrical, it arranges snap-ring groove, and clip is by two U-shaped iron core docking clampings;
Described transformer body is placed in enclosure interior, and described housing comprises three layers, is shell body from outside to inside successively, screen and inner housing; Resin is filled with between inner walls and transformer body.
One as above-mentioned embodiment is preferred, and described resin is high voltage bearing insulating material, and described clip is metal material, U-shaped shape; The screen of described housing is permalloy or ferroaluminium; Described shell body and inner housing are plastics.
As the improvement of above-mentioned embodiment, the lateral wall of described iron core sleeve is outwards arranged radially the support bar of level, the support bar of level is fixed the vertical vertical support bar being respectively used to coiling internal layer winding and outer winding; Described vertical support bar forms internal layer drum stand and outer drum stand; Described internal layer winding is armature winding, and described outer winding is secondary winding.
A kind of power transformer described in the utility model, it has the following advantages:
In the coiling of 1, whole internal layer winding and outer winding, it comprises ventilation air duct, ventilation gap and ventilation voids, obviously the ventilation and heat ability of relatively traditional winding structure is better, works long hours and not easily causes heat accumulation, working stability;
2, the assembling process of whole transformer is very simple efficient, first coil is wound in coil rack respectively, iron core sleeve on coil rack directly can be set on U-shaped iron core, the other end of U-shaped iron core provides reliable and easy interface arrangment, making a mistake property connects and fixes by clip, finally transformer body is placed in enclosure interior, potting resin, realizes whole assembling process;
3, housing of the present utility model adopts three-decker, adds screen, therefore can well completely cut off the electromagnetic radiation of transformer itself, avoid the impact on other components and parts of power source internal, ensure that the reliable and stable work of power supply.
Accompanying drawing explanation
Fig. 1 is the winding structure schematic diagram of the utility model internal layer winding;
Fig. 2 is the plan structure schematic diagram of the winding structure of the utility model internal layer winding and outer winding;
Fig. 3-1 and Fig. 3-2 is the structural representation of the utility model housing and transformer body.
Description of reference numerals:
The upper terminals of 1-, 2-the 4th section of coil, 3-coil rack, 4-ventilation gap, 5-the 3rd section of coil, 6-ventilation voids, 7-second segment coil, 8-first paragraph coil, terminals under 9-, 10-internal layer winding, the outer winding of 11-, 12-U shaped iron core, 13-clip, 14-inner housing, 15-shell body, 16-screen, 17-resin;
31-iron core sleeve, 32-support bar.
Embodiment
Below in conjunction with drawings and Examples, the utility model embodiment is described:
Fig. 1, Fig. 2, Fig. 3-1 and Fig. 3-2 shows a kind of embodiment of the present utility model, and Fig. 1 is the winding structure schematic diagram of the utility model internal layer winding, the structure of segmentation coiling described in the utility model that what it was detailed show; Fig. 2 is the plan structure schematic diagram of the winding structure of the utility model internal layer winding and outer winding, and it shows the mutual structural relation between ectonexine winding described in the utility model and coil rack thereof intuitively; Fig. 3-1 and Fig. 3-2 is the structural representation of the utility model housing and transformer body, and it shows in detail overall structure of the present utility model, particularly illustrates the overall structure of housing and transformer body.
As shown in the figure, a kind of power transformer of the utility model, comprise by coil rack 3, the transformer body of coil windings and iron core composition, described coil rack 3 comprises the iron core sleeve 31 for being sleeved on iron core, and iron core sleeve 31 passes outwardly support bar 32 and is provided with internal layer drum stand and outer drum stand with one heart; Ventilation air duct is formed between internal layer drum stand and outer drum stand; Described internal layer drum stand is wound with internal layer winding 10, described outer drum stand is wound with outer winding 11;
Described internal layer winding 10 is identical with the winding structure of outer winding 11, and each winding is formed by single layer, multi-turn coil, and each winding is configured at least four sections, connect successively between four sections, the 4th section of coil the 2, three section of coil 5 from top to bottom successively, second segment coil 7 and first paragraph coil 8; Form ventilation voids 6 between adjacent two sections of coils, wherein have at least between the circle on one section of coil and circle and be provided with ventilation gap 4; The free end of the 4th section of coil is connected to terminals 1, and the free end of first paragraph coil is connected to lower terminals 9;
Described iron core is that two U-shaped iron core 12 docking form, described U-shaped iron core comprises two parallel free posts, described iron core sleeve 31 is sleeved on a free post of U-shaped iron core 12, the free post of suit iron core sleeve 31 is cylindrical shape, another free post is rectangular cylindrical, it arranges snap-ring groove, and two U-shaped iron cores 12 are docked clamping by clip 13; Described transformer body is placed in enclosure interior, and described housing comprises three layers, is shell body 15 from outside to inside successively, screen 16 and inner housing 14; Resin 17 is filled with between inner walls and transformer body.
Preferably, above-mentioned resin is high voltage bearing insulating material, and described clip is metal material, U-shaped shape; The screen of described housing is permalloy or ferroaluminium; Described shell body and inner housing are plastics.
Preferably, the lateral wall of above-mentioned iron core sleeve is outwards arranged radially the support bar of level, the support bar of level is fixed the vertical vertical support bar being respectively used to coiling internal layer winding and outer winding; Described vertical support bar forms internal layer drum stand and outer drum stand; Described internal layer winding is armature winding, and described outer winding is secondary winding.
By reference to the accompanying drawings the utility model preferred implementation is explained in detail above, but the utility model is not limited to above-mentioned execution mode, in the ken that those of ordinary skill in the art possess, can also make a variety of changes under the prerequisite not departing from the utility model aim.
Do not depart from design of the present utility model and scope can make many other and change and remodeling.
Should be appreciated that the utility model is not limited to specific execution mode, scope of the present utility model is defined by the following claims.

Claims (3)

1. a power transformer, comprise by coil rack (3), the transformer body of coil windings and iron core composition, it is characterized in that: described coil rack (3) comprises the iron core sleeve (31) for being sleeved on iron core, and iron core sleeve (31) passes outwardly support bar (32) and is provided with internal layer drum stand and outer drum stand with one heart; Ventilation air duct is formed between internal layer drum stand and outer drum stand; Described internal layer drum stand is wound with internal layer winding (10), described outer drum stand is wound with outer winding (11);
Described internal layer winding (10) is identical with the winding structure of outer winding (11), each winding is formed by single layer, multi-turn coil, each winding is configured at least four sections, connect successively between four sections, the 4th section of coil (2) from top to bottom successively, 3rd section of coil (5), second segment coil (7) and first paragraph coil (8); Form ventilation voids (6) between adjacent two sections of coils, wherein have at least between the circle on one section of coil and circle and be provided with ventilation gap (4); The free end of the 4th section of coil is connected to terminals (1), and the free end of first paragraph coil is connected to lower terminals (9);
Described iron core is that two U-shaped iron core (12) docking form, described U-shaped iron core comprises two parallel free posts, described iron core sleeve (31) is sleeved on a free post of U-shaped iron core (12), the free post of suit iron core sleeve (31) is cylindrical shape, another free post is rectangular cylindrical, it arranges snap-ring groove, and clip (13) is by two U-shaped iron core (12) docking clampings;
Described transformer body is placed in enclosure interior, and described housing comprises three layers, is shell body (15) from outside to inside successively, screen (16) and inner housing (14); Resin (17) is filled with between inner walls and transformer body.
2. a kind of power transformer as claimed in claim 1, is characterized in that: described resin is high voltage bearing insulating material, and described clip is metal material, U-shaped shape; The screen of described housing is permalloy or ferroaluminium; Described shell body and inner housing are plastics.
3. a kind of power transformer as claimed in claim 2, it is characterized in that: the support bar lateral wall of described iron core sleeve outwards being arranged radially level, the support bar of level is fixed the vertical vertical support bar being respectively used to coiling internal layer winding and outer winding; Described vertical support bar forms internal layer drum stand and outer drum stand; Described internal layer winding is armature winding, and described outer winding is secondary winding.
CN201420489445.6U 2014-08-28 2014-08-28 A kind of power transformer Expired - Fee Related CN204066990U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420489445.6U CN204066990U (en) 2014-08-28 2014-08-28 A kind of power transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420489445.6U CN204066990U (en) 2014-08-28 2014-08-28 A kind of power transformer

Publications (1)

Publication Number Publication Date
CN204066990U true CN204066990U (en) 2014-12-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420489445.6U Expired - Fee Related CN204066990U (en) 2014-08-28 2014-08-28 A kind of power transformer

Country Status (1)

Country Link
CN (1) CN204066990U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110706893A (en) * 2019-11-27 2020-01-17 郴州宇晖电子科技有限公司 Energy-saving environment-friendly efficient segmented isolation type high-frequency transformer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110706893A (en) * 2019-11-27 2020-01-17 郴州宇晖电子科技有限公司 Energy-saving environment-friendly efficient segmented isolation type high-frequency transformer

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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: 20141231

Termination date: 20150828

EXPY Termination of patent right or utility model