CN204407150U - A kind of portable medium-high frequency high-power water-cooled transformer - Google Patents

A kind of portable medium-high frequency high-power water-cooled transformer Download PDF

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Publication number
CN204407150U
CN204407150U CN201420732398.3U CN201420732398U CN204407150U CN 204407150 U CN204407150 U CN 204407150U CN 201420732398 U CN201420732398 U CN 201420732398U CN 204407150 U CN204407150 U CN 204407150U
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CN
China
Prior art keywords
winding
water
magnetic core
frequency
armature winding
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
CN201420732398.3U
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Chinese (zh)
Inventor
李南坤
李南华
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.)
BAMAC ELECTRIC EQUIPMENT (SHANGHAI) Co Ltd
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BAMAC ELECTRIC EQUIPMENT (SHANGHAI) Co Ltd
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Priority to CN201420732398.3U priority Critical patent/CN204407150U/en
Application granted granted Critical
Publication of CN204407150U publication Critical patent/CN204407150U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of portable medium-high frequency high-power water-cooled transformer, it is characterized in that, comprise the first magnetic core be located in shell, the second magnetic core, armature winding and secondary winding, the right side wall of the first magnetic core is near the left side wall of the second magnetic core, armature winding is around in the outside of the right side wall of the first magnetic core and the left side wall of the second magnetic core, secondary winding is located at the outside of armature winding, and described secondary winding connects output copper bar, and described armature winding is connected with extraction copper bar.The utility model volume is little, power is large.

Description

A kind of portable medium-high frequency high-power water-cooled transformer
Technical field
The utility model relates to a kind of portable medium-high frequency high-power water-cooled transformer.
Background technology
There is lower column defects in the high-power medium/high frequency transformer of existing water-cooled: 1, volume large, heavy, be difficult to realize portable/handheld operation.2, waterway structure is complicated, and water pipe head is many, and the shell sizes of encapsulation is larger.3, transformer leakage inductance is large, can not export big current, or during output big current, voltage drop is serious.4, transformer copper loss and iron loss are comparatively large, and efficiency is lower.5, this kind equipment application main dependence on import at present.
Summary of the invention
The purpose of this utility model is to provide a kind of small size, powerful portable medium-high frequency high-power water-cooled transformer.
In order to achieve the above object, the utility model provides a kind of portable medium-high frequency high-power water-cooled transformer, it is characterized in that, comprise the first magnetic core be located in shell, the second magnetic core, armature winding and secondary winding, the right side wall of the first magnetic core is near the left side wall of the second magnetic core, armature winding is around in the outside of the right side wall of the first magnetic core and the left side wall of the second magnetic core, secondary winding is located at the outside of armature winding, described secondary winding connects output copper bar, and described armature winding is connected with extraction copper bar.
Preferably, described armature winding and secondary winding are single-layer winding structure of single.
Preferably, described output copper bar is water-electricity integrated structure, and described output copper bar is provided with in order to carry out screw that water power is connected and paddle hole with induction coil.
Preferably, described armature winding adopts water-cooled copper coiling, and described secondary winding comprises copper pipe or copper bar, described copper pipe or welding copper bus water-cooled copper.
More preferably, described armature winding is connected respective cooling water pipe joint with the water-cooled copper of secondary winding, and the cooling water pipe joint be connected with the water-cooled copper of armature winding and secondary winding is positioned at the same side.
Preferably, between the right side wall of described armature winding and the first magnetic core and the left side wall of the second magnetic core, between armature winding and secondary winding, all insulating material is provided with.
Preferably, the extraction copper bar of described armature winding adopts high frequency air cooling or the water-cooled cable that is flexible coupling to be connected to electric power host.
Preferably, at least one in the first described magnetic core, the second magnetic core, armature winding and secondary winding is provided with temperature transducer.
Operating frequency of the present utility model is 5kHz-100kHz, and its tara is than the transformer that can reach 150kVA/Kg(3kg weight, and capacity can reach 450kVA), the secondary output current of transformer can reach 3000-10000A.Its winding adopts compact water-cooling structure, and during for induction heating power, inductor is directly connected with transformer water power.Compared with general water-cooled high-power medium/high frequency transformer, the utility model has the advantages that volume is little, lightweight, efficiency is high.The utility model is mainly used in the output of induction heating power, and being applicable to needs hand-held operation or inductor to need the occasion of frequent mobile operating.
Compared with prior art, the beneficial effects of the utility model are:
1, adopt structure of the present utility model, weight is the transformer of 3Kg, and capacity reaches 450kVA, and weight is the transformer of 2Kg, and capacity can reach 200kVA, realizes hand-held operation, or frequent mobile operating.
2, be connected with main frame and have employed the wear-resisting high-frequency low-consumption of air cooling and to be flexible coupling cable, externally only have a road cooling water, inductor does not need to place water pipe in addition, realizes discharge monitoring and protection at host computer side.
3, transformer is arranged in firm aluminum alloy casing (as shown in example photo), shell sizes only 100mm × 100mm × 200mm that 450kVA transformer enclosure is good.
4, the iron loss of transformer and copper loss reach design load, and be better than prior art level, transformer leakage reactance is low, and under 20kHz frequency, 450kVA transformer can export 6000A.
5, on electric power host, realize transformer flux restriction defencive function, prevent transformer magnetic saturation; Realize insulation resistance monitoring and defencive function, prevent transformer insulated damage accident; Realize transformer temperature monitoring and protection, prevent transformer from crossing cause thermal damage.
6, induction brazing, impewdance matching can be met, and limited, to need hand-held or portable installation occasion is installed.
Accompanying drawing explanation
Fig. 1 is portable medium-high frequency high-power water-cooled transformer front view (not comprising shell);
Fig. 2 is portable medium-high frequency high-power water-cooled transformer end view (not comprising shell);
Fig. 3 is portable medium-high frequency high-power water-cooled transformer structural representation.
Embodiment
Below in conjunction with specific embodiment, set forth the utility model further.Should be understood that these embodiments are only not used in restriction scope of the present utility model for illustration of the utility model.In addition should be understood that those skilled in the art can make various changes or modifications the utility model, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the utility model instruction.
Embodiment
As shown in Figure 3, portable medium-high frequency high-power water-cooled transformer, comprise shell 11, the first magnetic core 10, second magnetic core 1, armature winding 3 and secondary winding 4 is as depicted in figs. 1 and 2 provided with in described shell 11, the right side wall of the first magnetic core 10 is near the left side wall of the second magnetic core 1, armature winding 3 is around in the outside of the right side wall of the first magnetic core 10 and the left side wall of the second magnetic core 1, secondary winding 4 is located at the outside of armature winding 3, described secondary winding 4 connects output copper bar 2, and described armature winding 3 is connected with extraction copper bar 9.The structural shape of above-mentioned winding and magnetic core determines the leakage inductance of transformer jointly, adopts structure of the present utility model, and the secondary equivalent leakage inductance of 750kVA transformer is less than 0.03 μ H.
Described armature winding 3 and secondary winding 4 are single-layer winding structure of single, can reduce the leakage inductance of transformer while effectively reducing high frequency eddy current losses.Described armature winding 3 adopts water-cooled copper coiling, and described secondary winding 4 comprises copper pipe, described copper pipe welding water-cooled copper.Described armature winding 3 is connected respective cooling water pipe joint 8 with the water-cooled copper of secondary winding 4, the cooling water pipe joint 8 be connected with the water-cooled copper of armature winding 3 and secondary winding 4 is positioned at the same side, after packaging, one-in-and-one-out two water swivels 12 are externally only had.
Described output copper bar 2 is water-electricity integrated structure, and described output copper bar 2 is provided with in order to carry out the screw 6 that water power is connected and the paddle hole 7 being with sealing ring with induction coil, does not need to install water pipe in addition after installing induction coil.Connect to facilitate to install at the back side welding brass or stainless steel nut that export copper bar 2, and gain in strength, repeated disassembled and assembled does not damage thread.The extraction copper bar 9 of described armature winding 3 adopts the air cooling high frequency cable that is flexible coupling to be connected to electric power host, and reliability is higher; When electric current is larger, the water-cooled cable that is flexible coupling can be adopted to be connected to electric power host.
Described armature winding 3 and between the right side wall of the first magnetic core 10 and the left side wall of the second magnetic core 1, between armature winding 3 and secondary winding 4, the turn-to-turn of armature winding 3 and secondary winding 4 and export between copper bar 2 and shell 11, draw between copper bar 9 and shell 11 and be all provided with insulating material.
Described the first magnetic core 10, second magnetic core 1, armature winding 3 and secondary winding 4 are provided with temperature transducer, to monitor transformer working temperature, prevent transformer overtemperature when transshipping from damaging.
The first described magnetic core 10 and the second magnetic core 1 are closed loop integral gapless structure, to obtain the highest permeability and minimum loss, first magnetic core 10 and the second magnetic core 1 adopt the ultracrystallite ultra-thin strip of excellent in high-frequency characteristics to process, when 16kHz frequency, the close peak value of work magnetic can reach 1.0T, armature winding 3 and secondary winding 4 adopt high-quality T2 anaerobic red copper, adopt silver-bearing copper soldering processes to make.First magnetic core 10, second magnetic core 1, armature winding 3 and secondary winding 4 upper silicon rubber or epoxy resin sizing and solidifying, and adopt small-sized aluminum alloy casing to encapsulate, not only attractive in appearance, sturdy and durable, and it is lightweight, for the weight only 3kg after the 40kW portable transformer encapsulation of soldering, portable transformer capacity is not less than 400kVA, and the class of insulation of transformer reaches more than H level, and overall temperature resistant grade is more than 200 DEG C.

Claims (8)

1. a portable medium-high frequency high-power water-cooled transformer, it is characterized in that, comprise the first magnetic core (10) be located in shell, second magnetic core (1), armature winding (3) and secondary winding (4), the right side wall of the first magnetic core (10) is near the left side wall of the second magnetic core (1), armature winding (3) is around in the outside of the right side wall of the first magnetic core (10) and the left side wall of the second magnetic core (1), secondary winding (4) is located at the outside of armature winding (3), described secondary winding (4) connects output copper bar (2), described armature winding (3) is connected with extraction copper bar (9).
2. portable medium-high frequency high-power water-cooled transformer as claimed in claim 1, is characterized in that, described armature winding (3) and secondary winding (4) are single-layer winding structure of single.
3. portable medium-high frequency high-power water-cooled transformer as claimed in claim 1, it is characterized in that, described output copper bar (2) is water-electricity integrated structure, and described output copper bar (2) is provided with in order to carry out screw (6) that water power is connected and paddle hole (7) with induction coil.
4. portable medium-high frequency high-power water-cooled transformer as claimed in claim 1, it is characterized in that, described armature winding (3) adopts water-cooled copper coiling, and described secondary winding (4) comprises copper pipe or copper bar, described copper pipe or welding copper bus water-cooled copper.
5. portable medium-high frequency high-power water-cooled transformer as claimed in claim 4, it is characterized in that, described armature winding (3) is connected respective cooling water pipe joint (8) with the water-cooled copper of secondary winding (4), and the cooling water pipe joint (8) be connected with the water-cooled copper of armature winding (3) and secondary winding (4) is positioned at the same side.
6. portable medium-high frequency high-power water-cooled transformer as claimed in claim 1, it is characterized in that, described armature winding (3) and between the right side wall of the first magnetic core (10) and the left side wall of the second magnetic core (1), is all provided with insulating material between armature winding (3) and secondary winding (4).
7. portable medium-high frequency high-power water-cooled transformer as claimed in claim 1, is characterized in that, the extraction copper bar (9) of described armature winding (3) adopts high frequency air cooling or the water-cooled cable that is flexible coupling to be connected to electric power host.
8. portable medium-high frequency high-power water-cooled transformer as claimed in claim 1, it is characterized in that, at least one in described the first magnetic core (10), the second magnetic core (1), armature winding (3) and secondary winding (4) is provided with temperature transducer.
CN201420732398.3U 2014-11-27 2014-11-27 A kind of portable medium-high frequency high-power water-cooled transformer Expired - Fee Related CN204407150U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420732398.3U CN204407150U (en) 2014-11-27 2014-11-27 A kind of portable medium-high frequency high-power water-cooled transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420732398.3U CN204407150U (en) 2014-11-27 2014-11-27 A kind of portable medium-high frequency high-power water-cooled transformer

Publications (1)

Publication Number Publication Date
CN204407150U true CN204407150U (en) 2015-06-17

Family

ID=53430989

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420732398.3U Expired - Fee Related CN204407150U (en) 2014-11-27 2014-11-27 A kind of portable medium-high frequency high-power water-cooled transformer

Country Status (1)

Country Link
CN (1) CN204407150U (en)

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150617

Termination date: 20191127

CF01 Termination of patent right due to non-payment of annual fee