CN211376385U - High-frequency transformer structure applied to double-tube forward topology - Google Patents
High-frequency transformer structure applied to double-tube forward topology Download PDFInfo
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- CN211376385U CN211376385U CN202020399387.3U CN202020399387U CN211376385U CN 211376385 U CN211376385 U CN 211376385U CN 202020399387 U CN202020399387 U CN 202020399387U CN 211376385 U CN211376385 U CN 211376385U
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Abstract
The utility model discloses a be applied to topological high frequency transformer structure of double-barrelled normal shock, including iron core, primary winding and secondary winding, the internally mounted of iron core has the skeleton, the intermediate position that the skeleton was hugged closely by insulating enameled wire to primary winding evenly twines and forms, secondary winding is formed in the outside of primary winding by the copper winding, and the table side of copper is pasted and is had high temperature and high voltage resistant insulating film layer. The utility model discloses simple and convenient adoption copper coiling becomes secondary winding, under equal square number, reduces occupation space, and reinforcing transformer coupling effect improves the utilization ratio, and pastes high temperature and high pressure resistant insulating film layer at the table side of secondary winding's copper, strengthens its compressive property, reduces the fault rate that factors such as mechanical collision, friction lead to.
Description
Technical Field
The utility model relates to a high frequency transformer technical field, concretely relates to be applied to topological high frequency transformer structure of double-barrelled normal shock.
Background
The argon arc welding machine is widely applied in production and life as a common welding machine, the high-frequency transformer is used as an electrical element of the argon arc welding machine, along with the development of the argon arc welding machine, the requirement on the high-frequency transformer is higher and higher, the high-frequency transformer is a power transformer with the working frequency exceeding the medium frequency (10kHz), the high-frequency transformer is mainly used as a high-frequency switching power supply transformer in a high-frequency switching power supply, and is also used as a high-frequency inverter power supply transformer in a high-frequency inverter power supply and a high-frequency inverter welding machine. According to the working frequency, the method can be divided into several grades: 10 kHz-50 kHz, 50 kHz-100 kHz, 100 kHz-500 kHz, 500 kHz-1 MHz and more than 10 MHz.
The existing high-frequency transformer is easy to damage an insulating layer caused by factors such as mechanical collision and friction, the fault rate of the transformer is increased, the operation of an argon arc welding machine is further influenced, the occupied area in the welding machine is large, the welding machine is large in size, and the use is not facilitated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be applied to topological high frequency transformer structure of double-barrelled normal shock, paste high temperature and high pressure resistant insulating film layer in the table side of secondary copper, strengthen its compressive property, reduce the fault rate that factors such as mechanical collision, friction lead to adopt the copper coiling to become secondary winding, under equal square number, reduce occupation space, reinforcing transformer coupling effect improves utilization ratio, with the problem of proposing in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be applied to topological high frequency transformer structure of double-barrelled normal shock, includes iron core, primary winding and secondary winding, the internally mounted of iron core has the skeleton, the intermediate position that the skeleton was hugged closely by insulating enameled wire to primary winding evenly twines and forms, secondary winding is formed in the outside of primary winding by the copper winding, and the table side of copper is pasted and is had high temperature and high pressure resistant insulating film layer.
Preferably, the iron core is an EE65 type ferrite iron core.
Preferably, the number of turns of the primary winding is 9, the insulated enameled wire adopted by the primary winding is a plurality of strands of insulated enameled copper wires connected in parallel, and the total sectional area of the insulated enameled wire is 3.6mm2。
Preferably, the number of turns of the secondary winding is 1 turn, the copper plate of the secondary winding is a red copper plate, and the sectional area of the red copper plate is 28mm2The thickness is 0.4mm, the width is 35mm, and the two groups are parallel wound.
Preferably, the head and tail ends of the insulated enameled wire of the primary winding and the head and tail ends of the copper plate of the secondary winding are distributed at two ends of the iron core to form taps.
Preferably, a tap position of the copper plate of the secondary winding is provided with a connecting hole.
To sum up, owing to adopted above-mentioned technique, the beneficial effects of the utility model are that:
the utility model discloses in, adopt the copper coiling to become secondary winding, under equal square number, reduce occupation space, improve coupling efficiency, and paste high temperature and high voltage resistant insulating film layer at the table side of secondary winding's copper, strengthen its voltage resistance, reduce the fault rate that factors such as mechanical collision, friction lead to, and constitute insulating position between high temperature and high voltage resistant insulating film layer and the primary winding.
The utility model discloses in, the even coiling of insulating enameled wire of primary winding makes the heat that high frequency transformer produced in work can disperse more fast on the skeleton, conveniently utilizes the fan that follow-up argon arc welding machine itself has to take the heat out of the welding machine outside, makes high frequency transformer's stability, reliability, life promote by a wide margin.
Drawings
Fig. 1 is an isometric view of the present invention;
FIG. 2 is a schematic side view of the present invention;
fig. 3 is a schematic top view of the present invention;
fig. 4 is a schematic cross-sectional view of the high temperature and high voltage resistant insulating film layer and the copper plate of the present invention.
In the figure: 1. an iron core; 2. a primary winding; 201. insulating the enameled wire; 3. a secondary winding; 301. a copper plate; 302. a high temperature and high voltage resistant insulating film layer; 4. a framework; 5. and connecting the holes.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific situation of the specification.
The utility model provides a be applied to topological high frequency transformer structure of double-barrelled normal shock as shown in fig. 1-4, including iron core 1, primary winding 2 and secondary winding 3, the internally mounted of iron core 1 has skeleton 4, the even winding of intermediate position that skeleton 4 was hugged closely by insulating enameled wire 201 to primary winding 2 forms, secondary winding 3 is formed in the outside of primary winding 2 by copper 301 winding, and the table side of copper 301 pastes and has high temperature and high pressure resistant insulating film layer 302, and high temperature and high pressure resistant insulating film layer 302 is the rete of polyurethane formate preparation.
Specifically, the iron core 1 is an EE65 type ferrite iron core.
Specifically, the number of turns of the primary winding 2 is 9, the insulated enameled wire 201 adopted by the primary winding 2 is a multi-strand insulated enameled copper wire connected in parallel, and the total sectional area of the insulated enameled wire 201 is 3.6mm2。
Specifically, the number of turns of the secondary winding 3 is 1 turn, the copper plate 301 of the secondary winding 3 is a red copper plate, and the sectional area of the red copper plate is 28mm2The thickness is 0.4mm, the width is 35mm, and two groups are parallel wound.
Specifically, the head and tail ends of the insulated enameled wire 201 of the primary winding 2 and the head and tail ends of the copper plate 301 of the secondary winding 3 are distributed at two ends of the iron core 1 to form taps.
Specifically, a tap position of the copper plate 301 of the secondary winding 3 is provided with a connection hole 5, and the connection hole 5 is used for connecting with an external electrical component.
The structure principle is as follows: when the high-frequency transformer is used, the copper plate 301 is wound to form the secondary winding 3, under the same square number, the occupied space is reduced, the coupling efficiency is improved, the high-temperature and high-voltage resistant insulating film layer 302 is pasted on the surface side of the copper plate 301 of the secondary winding 3, the voltage resistance performance of the high-temperature and high-voltage resistant insulating film layer is enhanced, the fault rate caused by factors such as mechanical collision and friction is reduced, an insulating part is formed between the high-temperature and high-voltage resistant insulating film layer 302 and the primary winding 2, the insulating enameled wire 201 of the primary winding 2 is uniformly wound on the framework 4, heat generated in the working process of the high-frequency transformer can be dissipated more quickly, the heat can be conveniently taken out of the welding machine by using a fan arranged on the follow-up argon arc welding.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (6)
1. The utility model provides a be applied to topological high frequency transformer structure of two-transistor forward, includes iron core (1), primary winding (2) and secondary winding (3), its characterized in that: the internally mounted of iron core (1) has skeleton (4), the intermediate position that skeleton (4) were hugged closely by insulating enameled wire (201) is evenly twined in primary winding (2) and is formed, secondary winding (3) are formed in the outside of primary winding (2) by copper (301) winding, and the surface side of copper (301) is pasted and is had high temperature and high pressure resistant insulating film layer (302).
2. The high-frequency transformer structure applied to the double-tube forward topology according to claim 1, characterized in that: the iron core (1) adopts an EE65 type ferrite iron core.
3. The high-frequency transformer structure applied to the double-tube forward topology according to claim 1, characterized in that: the number of turns of the primary winding (2) is 9 turns, the insulated enameled wire (201) adopted by the primary winding (2) is a multi-strand insulated enameled copper wire connected in parallel, and the total sectional area of the insulated enameled wire (201) is 3.6mm2。
4. The high-frequency transformer structure applied to the double-tube forward topology according to claim 1, characterized in that: the number of turns of the secondary winding (3) is 1 turn, the copper plate (301) of the secondary winding (3) is a red copper plate, and the sectional area of the red copper plate is 28mm2The thickness is 0.4mm, the width is 35mm, and two groups are parallel wound.
5. The high-frequency transformer structure applied to the double-tube forward topology according to claim 1, characterized in that: the head and tail ends of the insulated enameled wire (201) of the primary winding (2) and the head and tail ends of the copper plate (301) of the secondary winding (3) are distributed at two ends of the iron core (1) to form taps.
6. The high-frequency transformer structure applied to the double-tube forward topology according to claim 1, characterized in that: and a tap part of the copper plate (301) of the secondary winding (3) is provided with a connecting hole (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020399387.3U CN211376385U (en) | 2020-03-25 | 2020-03-25 | High-frequency transformer structure applied to double-tube forward topology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020399387.3U CN211376385U (en) | 2020-03-25 | 2020-03-25 | High-frequency transformer structure applied to double-tube forward topology |
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| Publication Number | Publication Date |
|---|---|
| CN211376385U true CN211376385U (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020399387.3U Active CN211376385U (en) | 2020-03-25 | 2020-03-25 | High-frequency transformer structure applied to double-tube forward topology |
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| Country | Link |
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| CN (1) | CN211376385U (en) |
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- 2020-03-25 CN CN202020399387.3U patent/CN211376385U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20210315 Address after: 200331 1st floor, No.2 Lane 615, Fengdeng Road, Malu Town, Jiading District, Shanghai Patentee after: SHANGHAI DUOMU INDUSTRY Co.,Ltd. Address before: Floor 5, building 1, Tiansheng Industrial Park, intersection of century street and Minhang Road, Changchun Economic Development Zone, Jilin Province Patentee before: Changchun Shuangxi welding equipment Co.,Ltd. |