CN203966799U - A kind of transformer - Google Patents
A kind of transformer Download PDFInfo
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- CN203966799U CN203966799U CN201420319485.6U CN201420319485U CN203966799U CN 203966799 U CN203966799 U CN 203966799U CN 201420319485 U CN201420319485 U CN 201420319485U CN 203966799 U CN203966799 U CN 203966799U
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- insulating barrier
- yoke
- primary winding
- secondary coil
- face
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Abstract
The utility model discloses a kind of transformer, include iron core and coil, described iron core includes U magnet and the clinch be made up of magnet magnetic material, described U magnet comprises magnetic enhancement portion, the first yoke and second yoke of arc, and described coil comprises primary winding cylindraceous and secondary coil.The utility model is on surface, to have covered the first insulating barrier of being made up of rubber in coil, thus can be unshakable in one's determination with coil inner surface between keep apart, thereby can prevent unshakable in one's determination and coil inner surface generation direct friction and produce magnet fragment; In addition, owing to being provided with the second insulating barrier on two end faces of primary winding, on two end faces of secondary coil, be provided with the 3rd insulating barrier, the end face of coil, clinch and magnetic enhancement portion can be wrapped up completely by the second above-mentioned insulating barrier and the 3rd insulating barrier, so just can prevent that magnet fragment from falling in transformer oil, affect the insulation property of coil.
Description
Technical field
The utility model relates to a kind of transformer.
Background technology
Transformer is to utilize the principle of electromagnetic induction to change the device of alternating voltage, and main member is primary coil, secondary coil and iron core (magnetic core).And transformer is one new magnetic material---magnet is made the transformer that iron core forms, the no-load loss that it makes appendiron core transformer than silicon steel sheet is (while referring to transformer secondary output open circuit, in the elementary power loss recording) 80% left and right declines, no-load current is (when transformer secondary output open circuit, elementaryly still have certain electric current, this part electric current is called no-load current) decline approximately 85%, be the comparatively ideal distribution transformer of current energy-saving effect, be specially adapted to the lower place of the distribution transforming such as rural power grids and developing region utilance.
Transformer has generally included iron core and coil, such as in the prior art, a kind of common transformer device structure is disclosed in the Chinese invention patent prospectus that is 201110139988.6 in the patent No., this patent of invention is a kind of non-encapsulated dry-type transformer with three-dimensional noncrystalline alloy roll iron core, belongs to the technical field of power equipment.Described non-encapsulated dry-type transformer with three-dimensional noncrystalline alloy roll iron core, mainly that the amorphous alloy core that is embodied in this type of transformer is 3-D solid structure, three lower yokes of three dimensional wound core are seated on the pedestal of lower clamping piece welding, upper clamping piece is connected by clamping screw with lower clamping piece, low-voltage coil be circular paper tinsel around or cylinder mode, high-tension coil adopts NOMEX paper material bag oxygen-free copper wire-wound system vacuum pressure impregnation, and support and compress high-voltage coil and low-voltage coil in conjunction with upper cushion block and lower cushion block, make product structure form a three-dimensional rigid body frame structure.
Above-mentioned patent discloses the structure of common Amorphous Alloy Core Transformer in prior art, comprises iron core and coil, and coil is wrapped on iron core, and is cylinder mode.In addition, the same with most of transformers, the iron core in amorphous alloy transformer is immersed in transformer oil (a kind of known insulating oil), thereby prevents that the electric arc connection that primary coil and secondary coil produce from burning out transformer.But, due to non-crystaline amorphous metal magnetic material add man-hour want annealed operation, extremely crisp after annealing, iron core is inserted in the process of coil, because iron core wants to produce friction between coil, easily cause wearing and tearing to cause producing some little non-crystaline amorphous metal fragments, these fragments usually can enter into coil inside from coil-end plane, make the decreasing insulating of coil; Meanwhile, the impact that the vibration in the process of transport and transformer when work produce also can make end face cracking unshakable in one's determination, can disperse to the insulation property of destroying coil in transformer oil in the trickle broken end that it causes.
Utility model content
Technical problem to be solved in the utility model is to provide one can prevent that magnet fragment from falling into transformer oil and quick-detachable transformer for the above-mentioned state of the art.
For achieving the above object, key is to improve the structure of transformer, adopts insulating material that iron core and transformer oil are kept apart.For this reason, the utility model provides following technical scheme:
A kind of transformer, include support, described mid-stent offers a square through hole, in described square through hole, be provided with the transformer tank that has been full of transformer oil, in described transformer tank, be provided with iron core and coil, described iron core includes a U magnet and the clinch for described U magnet is sealed, described U magnet comprises the magnetic enhancement portion of arc and the first yoke of two strips and the second yoke, described the first yoke and described the second yoke are arranged on symmetrically the both sides of described magnetic enhancement portion and link into an integrated entity and formed described U magnet with described magnetic enhancement portion, described coil comprises primary winding cylindraceous and secondary coil, described primary winding is socketed in described the first yoke, on the end face of described the first yoke by described primary winding, insert, be arranged on outside another end face of described primary winding through protruding after described primary winding, on the end face of described the second yoke by described secondary coil, insert, be arranged on outside another end face of described secondary coil through protruding after described secondary coil, described clinch connects removably and described the first yoke by magnetic respectively, the second yoke is connected, wherein, on the inner surface of described primary winding and secondary coil, be all coated with the first insulating barrier of being made by rubber, on two end faces of described primary winding, be provided with the second insulating barrier of being made by rubber, described the second insulating barrier can cover the end face of described primary winding completely, on two end faces of described secondary coil, be provided with the 3rd insulating barrier of being made by rubber, described the 3rd insulating barrier can cover the end face of described secondary coil completely, described primary winding can be rolled on the surface of described magnetic enhancement portion by folding bag near the second insulating barrier on described magnetic enhancement body one side end face, described secondary coil can be rolled on the surface of described magnetic enhancement portion by folding bag near the 3rd insulating barrier on described magnetic enhancement body one side end face, and described primary winding, secondary coil interconnect near the second insulating barrier on described magnetic enhancement body one side end face and described the 3rd insulating barrier, described magnetic enhancement portion is wrapped up completely, in the time that described clinch is connected with described the first yoke, the second yoke, described primary winding can be rolled on described clinch by folding bag near the second insulating barrier on described clinch one side end face, described secondary coil can be rolled on described clinch by folding bag near the 3rd insulating barrier on described clinch one side end face, and described primary winding, secondary coil interconnect near the second insulating barrier on described clinch one side end face and described the 3rd insulating barrier, and described clinch is wrapped up completely, on described support, be provided with for described transformer tank is detachably fixed on to the fixture on support, described fixture comprises location division and clamping section, described location division comprises the first detent mechanism that is arranged on described support top and the second detent mechanism that is arranged on described support bottom, described the first detent mechanism offers some the first location holes, on described the second detent mechanism, offer second location hole identical with described the first location hole quantity, and each the first location hole is all just to there being second location hole, described clamping section includes the clamping bar identical with described the first location hole quantity, organize between the first location hole facing each other and described the second location hole and be all equipped with the clamping bar described at each, described clamping bar can slide between described the first location hole and the second location hole.
Adopt the transformer of this structure, owing to having covered the first insulating barrier of being made by rubber on surface in coil, because rubber is a kind of flexible material, it can will be kept apart between unshakable in one's determination and coil inner surface, like this, in the time that iron core is inserted to coil, can prevent that iron core from producing magnet fragment with coil inner surface generation direct friction; Owing to being provided with the second insulating barrier on two end faces of primary winding, on two end faces of secondary coil, be provided with the 3rd insulating barrier, and the second above-mentioned insulating barrier and the 3rd insulating barrier can wrap up the end face of coil, clinch and magnetic enhancement portion completely, so just can prevent that the magnet fragment producing in the time that transformer is worked or in transportation from falling in transformer oil, affect the insulation property of coil.In addition, by be provided with a fixture on support, the clamping bar of this fixture can slide on the detent mechanism of above-mentioned fixture, when transformer tank is laid while putting in place, provide active force to drive clamping bar to be slid in the second location hole by the first location hole by electronic mode, thereby transformer tank is locked on support; In the time that needs take out this transformer tank, only need to provide actuating force that clamping bar is extracted out from the second location hole by electronic mode, just transformer tank can be taken out from support.
As above-mentioned transformer in the utility model preferably, on described the second insulating barrier, be provided with and be with sticking the first matching part, described the first matching part can, after described primary winding is socketed in described the first yoke, is bonded in described the second insulating barrier in described the first yoke and with the first insulating barrier in described primary winding and joins.
Adopt the transformer of this structure, by the second insulating barrier being bonded in the first yoke and with the first insulating barrier in described primary winding and being joined with sticking the first matching part, so just close the gap between primary winding end face and yoke, prevent that magnet fragment from, by dispersing in this gap, entering into transformer oil.
As the improvement of above-mentioned transformer in the utility model, on described the 3rd insulating barrier, be provided with adhesive the second matching part, described the second matching part can, after described secondary coil is socketed in described the second yoke, is bonded in described the 3rd insulating barrier in described the second yoke and with the first insulating barrier in described secondary coil and joins.
Adopt the transformer of this structure, by the 3rd insulating barrier being bonded in the second yoke and with the first insulating barrier in described secondary coil and being joined with sticking the second matching part, so just close the gap between secondary coil end face and yoke, prevent that magnet fragment from, by dispersing in this gap, entering into transformer oil.
In sum, compared with prior art, the utility model has the advantage of: after making above-mentioned improvement, the end face of primary winding and secondary coil can be covered by rubber insulation completely, and because the second insulating barrier on primary winding and secondary coil and the 3rd insulating barrier can interconnect after folding, this just makes the clinch of magnet iron core and kind magnetic enhancement portion also be insulated material completely to cover, thereby prevents that magnet fragment from falling into transformer oil completely.In addition, can dismantle transformer tank from support easily by be provided with a fixture on support.
brief description of the drawings
Fig. 1 is the perspective view of transformer in the utility model embodiment;
Fig. 2 is transformer in the embodiment illustrated in fig. 1 structural representation in the time that transformer tank is not installed;
Fig. 3 is iron core and the loop construction schematic diagram of transformer tank inside in the utility model embodiment;
Fig. 4-Fig. 7 is inserted into the assembling procedure schematic diagram in coil U magnet iron core in the utility model embodiment;
Fig. 8 is the structural representation of the first auxiliary section/the second auxiliary section in the utility model embodiment.
Reference numeral:
1, transformer; 1.1, support; 1.1.1, square through hole; 1.2, transformer tank; 1.3, fixture; 1.3.1, the first detent mechanism; 1.3.2, the second detent mechanism; 1.3.3, the first location hole; 1.3.4, the second location hole; 1.3.5, clamping bar; 2, iron core; 2.1, U magnet; 2.1.1, the first yoke; 2.1.2, the second yoke; 2.1.3, magnetic enhancement portion; 2.2, clinch; 3, coil; 3.1, primary winding; 3.2, secondary coil; 4, the first insulating barrier; 5, the second insulating barrier; 5.1, the first auxiliary section; 6, the 3rd insulating barrier; 6.1, the second auxiliary section.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As depicted in figs. 1 and 2, the present embodiment is a kind of transformer 1, include support 1.1, described mid-stent offers a square through hole 1.1.1, in described square through hole, be fixed with the transformer tank 1.2 that has been full of transformer oil, on described support, be provided with for described transformer tank being detachably fixed on to the fixture 1.3 on support, described fixture comprises location division and clamping section, described location division comprises the first detent mechanism 1.3.1 that is arranged on described support top and the second detent mechanism 1.3.2 that is arranged on described support bottom, described the first detent mechanism offers some the first location hole 1.3.3, on described the second detent mechanism, offer the second location hole 1.3.4 identical with described the first location hole quantity, and each the first location hole is all just to there being second location hole, described clamping section includes the clamping bar 1.3.5 identical with described the first location hole quantity, organize between the first location hole facing each other and described the second location hole and be all equipped with the clamping bar described at each, described clamping bar can slide between described the first location hole and the second location hole.
In described transformer tank, be provided with iron core 2 and coil 3.This iron core includes the U magnet 2.1 be made up of iron-based magnet (Fe-based amorphous alloys) and for by the clinch 2.2 of described U magnet sealing.Iron-based magnet is a kind of known transformer core material, by 80%Fe and 20%Si, category-B metallic element forms, it has high saturated magnetic induction (1.54T), the everyways such as magnetic permeability, exciting curent and iron loss are better than the feature of silicon steel sheet, particularly iron loss low (being the 1/3-1/5 of oriented silicon steel disc), replaces silicon steel to do distribution transformer and can save energy 60-70%.The thickness of strip of iron-based magnet is 0.03mm left and right, is widely used in distribution transformer, high power switching power supply, pulse transformer, magnetic amplifier, intermediate frequency transformer and inverter iron core, is suitable for 10kHz and uses with lower frequency.
Described U magnet 2.1 is from the appearance rendered as a U font, it is integrally formed the making of the 2.1.3 of magnetic enhancement portion by the first yoke 2.1.1 of two strips, the second yoke 2.1.2 and an arc, three above-mentioned parts have formed a U-lag, the 2.1.3 of magnetic enhancement portion of arc is positioned at the bottom of U-lag, and the first yoke 2.1.1, the second yoke 2.1.2 be the both sides that are arranged on above-mentioned U-lag of symmetry respectively.Described clinch is connected between above-mentioned the first yoke and the second yoke by magnetic, thereby has formed a loop-like iron core.And, for convenient, the first yoke 2.1.1 and the second yoke 2.1.2 are inserted in the coil hereinafter mentioned, this clinch is need to be for convenience detach, therefore, in the present embodiment, on clinch, be provided with groove, be provided with the locating convex block (not shown) with this groove adaptation in the relevant position of the first yoke and the second yoke, by locating convex block and groove coordinate by clinch be stuck in the first yoke, the second yoke on, and can prevent in the transformer course of work, because vibration causes the first yoke, the second yoke and clinch dislocation.
The main purpose of the clinch 2.2 is here for this U magnet 2.1 is sealed, therefore it can adopt the not magnetic ordinary steel iron material of tool to make, but in the present embodiment, in order to strengthen the suction-combining force of solenoid, improve operating efficiency unshakable in one's determination, preferably yoke is as the material of manufacturing clinch in the present embodiment.
Described coil comprises primary winding 3.1 cylindraceous and secondary coil 3.2, described primary winding 3.1 is socketed on described the first yoke 2.1.1, described secondary coil 3.2 is socketed on described the second yoke 2.1.2, on two end faces of described primary winding, offer two end-face holes, two end-face holes interconnect and form a slot that confession the first yoke 2.1.1 plugs, in the end-face hole of described the first yoke 2.1.1 by one of them end face of primary winding, insert, in end-face hole by another end face, stretch out again, same, the second yoke 2.1.2 and secondary coil also link together by similar mode.
On the inner surface of above-mentioned primary winding 3.1 and secondary coil 3.2, be all coated with the first insulating barrier 4 of being made by rubber, the first insulating barrier is just ready-made before yoke is inserted coil, fit and be arranged on the inner surface of primary winding and secondary coil by bonding mode, thereby primary winding and the first yoke, secondary coil and the second yoke can be kept apart mutually, prevent that friction produces magnet fragment in the process of yoke insertion coil.
On two end faces of described primary winding, be provided with the second insulating barrier 5 of being made by rubber, the area of this second insulating barrier 5 is greater than the area of primary winding end face, thereby can the end face of described primary winding be covered completely by described the second insulating barrier 5, on two end faces of described secondary coil 3.2, be provided with the 3rd insulating barrier 6 of being made by rubber, the area of the 3rd insulating barrier 6 is greater than the area of secondary coil 3.2 end faces, thereby can the end face of described secondary coil 3.2 be covered completely by the 3rd described insulating barrier 6.
Fig. 4-Fig. 7 is inserted into the assembling procedure schematic diagram in coil U magnet iron core.
As shown in Fig. 4-Fig. 5, on the second insulating barrier 5 and the 3rd insulating barrier 6, be respectively arranged with the first auxiliary section 5.1 and the second auxiliary section 6.1, when assembling, the end-face hole of coil and above-mentioned the first auxiliary section and the second auxiliary section cooperatively interact, and are provided with for carrying out bonding adhesive portion near the position of end-face hole in the first auxiliary section and the second auxiliary section.First, on two end faces of primary winding and secondary coil, flatly place respectively the second insulating barrier 5 and the 3rd insulating barrier 6, then the first yoke 2.1.1 of U magnet and the second yoke 2.1.2 are inserted in primary winding and secondary coil simultaneously.
Step subsequently as shown in Figure 6 and Figure 7, under the prerequisite that keeps insertion state by 180 ° of integrated overturns unshakable in one's determination, then, U magnet is coupled together and formed a closed loop body by clinch, finally, the second insulating barrier of horizontal and the 3rd insulating barrier are folded up, be wrapped in the surface of clinch and magnetic enhancement portion, the second insulating barrier and the 3rd insulating barrier on clinch be stitched together (or adopting nylon adherent buckle) will be wrapped in again, the second insulating barrier and the 3rd insulating barrier that are wrapped in magnetic enhancement portion are also stitched together, thereby by clinch and magnetic enhancement portion completely and transformer oil keep apart.
In addition, in order to prevent dispersing the gap between gap, secondary coil end face and the yoke of magnet fragment between primary winding and yoke, as shown in Figure 6, the first auxiliary section 5.1 and the second auxiliary section 6.1 can link together the second insulating barrier and the second insulating barrier and the first insulating barrier, and clearance seal is lived.
The above is only preferred implementation of the present utility model, and protection range of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (3)
1. a transformer, include support, described mid-stent offers a square through hole, in described square through hole, be provided with the transformer tank that has been full of transformer oil, in described transformer tank, be provided with iron core and coil, described iron core includes a U magnet and the clinch for described U magnet is sealed, described U magnet comprises the magnetic enhancement portion of arc and the first yoke of two strips and the second yoke, described the first yoke and described the second yoke are arranged on symmetrically the both sides of described magnetic enhancement portion and link into an integrated entity and formed described U magnet with described magnetic enhancement portion, described coil comprises primary winding cylindraceous and secondary coil, described primary winding is socketed in described the first yoke, on the end face of described the first yoke by described primary winding, insert, be arranged on outside another end face of described primary winding through protruding after described primary winding, on the end face of described the second yoke by described secondary coil, insert, be arranged on outside another end face of described secondary coil through protruding after described secondary coil, described clinch connects removably and described the first yoke by magnetic respectively, the second yoke is connected, it is characterized in that:
On the inner surface of described primary winding and secondary coil, be all coated with the first insulating barrier of being made by rubber, on two end faces of described primary winding, be provided with the second insulating barrier of being made by rubber, described the second insulating barrier can cover the end face of described primary winding completely, on two end faces of described secondary coil, be provided with the 3rd insulating barrier of being made up of rubber, described the 3rd insulating barrier can cover the end face of described secondary coil completely;
Described primary winding can be rolled on the surface of described magnetic enhancement portion by folding bag near the second insulating barrier on described magnetic enhancement body one side end face, described secondary coil can be rolled on the surface of described magnetic enhancement portion by folding bag near the 3rd insulating barrier on described magnetic enhancement body one side end face, and described primary winding, secondary coil interconnect near the second insulating barrier on described magnetic enhancement body one side end face and described the 3rd insulating barrier, described magnetic enhancement portion is wrapped up completely;
In the time that described clinch is connected with described the first yoke, the second yoke, described primary winding can be rolled on described clinch by folding bag near the second insulating barrier on described clinch one side end face, described secondary coil can be rolled on described clinch by folding bag near the 3rd insulating barrier on described clinch one side end face, and described primary winding, secondary coil interconnect near the second insulating barrier on described clinch one side end face and described the 3rd insulating barrier, and described clinch is wrapped up completely;
On described support, be provided with for described transformer tank is detachably fixed on to the fixture on support, described fixture comprises location division and clamping section, described location division comprises the first detent mechanism that is arranged on described support top and the second detent mechanism that is arranged on described support bottom, described the first detent mechanism offers some the first location holes, on described the second detent mechanism, offer second location hole identical with described the first location hole quantity, and each the first location hole is all just to there being second location hole;
Described clamping section includes the clamping bar identical with described the first location hole quantity, organize between the first location hole facing each other and described the second location hole and be all equipped with the clamping bar described at each, described clamping bar can slide between described the first location hole and the second location hole.
2. transformer according to claim 1, it is characterized in that: on described the second insulating barrier, be provided with and be with sticking the first matching part, described the first matching part can, after described primary winding is socketed in described the first yoke, is bonded in described the second insulating barrier in described the first yoke and with the first insulating barrier in described primary winding and joins.
3. transformer according to claim 1 and 2, it is characterized in that: on described the 3rd insulating barrier, be provided with adhesive the second matching part, described the second matching part can, after described secondary coil is socketed in described the second yoke, is bonded in described the 3rd insulating barrier in described the second yoke and with the first insulating barrier in described secondary coil and joins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420319485.6U CN203966799U (en) | 2014-06-16 | 2014-06-16 | A kind of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420319485.6U CN203966799U (en) | 2014-06-16 | 2014-06-16 | A kind of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203966799U true CN203966799U (en) | 2014-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420319485.6U Expired - Fee Related CN203966799U (en) | 2014-06-16 | 2014-06-16 | A kind of transformer |
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| Country | Link |
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| CN (1) | CN203966799U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108257465A (en) * | 2018-04-12 | 2018-07-06 | 常州纺织服装职业技术学院 | The quick detachable teaching transformer of twin coil |
-
2014
- 2014-06-16 CN CN201420319485.6U patent/CN203966799U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108257465A (en) * | 2018-04-12 | 2018-07-06 | 常州纺织服装职业技术学院 | The quick detachable teaching transformer of twin coil |
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| 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: 20141126 Termination date: 20150616 |
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| EXPY | Termination of patent right or utility model |