CN213752296U - Flexibly configurable electronic transformer - Google Patents
Flexibly configurable electronic transformer Download PDFInfo
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- CN213752296U CN213752296U CN202023104833.2U CN202023104833U CN213752296U CN 213752296 U CN213752296 U CN 213752296U CN 202023104833 U CN202023104833 U CN 202023104833U CN 213752296 U CN213752296 U CN 213752296U
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Abstract
The utility model relates to the technical field of transformers, in particular to an electronic transformer capable of being flexibly configured, which comprises a vacant plate, wherein a primary copper foil layer is arranged on the left side of the vacant plate, a primary shielding layer is arranged on the left side of the primary copper foil layer, an upper magnetic core is arranged between the primary copper foil layer and the inside of the primary shielding layer, a secondary copper foil layer is arranged on the right side of the vacant plate, a secondary shielding layer is arranged on the right side of the primary copper foil layer, a lower magnetic core is arranged between the secondary copper foil layer and the inside of the secondary shielding layer, and pin layers are arranged at the top and the bottom of the side surface of the vacant plate; the utility model is suitable for different circuit topologies for the flexible series-parallel connection of engineers; secondly, heat dissipation is facilitated; thirdly, welding is firm; fourthly, the current carrying capacity is increased; fifthly, the pins adopt standardized intervals in the electronic industry, so that the pins are convenient to mount or insert in the production process.
Description
Technical Field
The patent of the utility model relates to a transformer technical field specifically is an electronic transformer that can dispose in a flexible way.
Background
An electronic transformer, also called an electronic power transformer, is an electronic device for transferring energy and converting power, and is also a common device in a circuit. Electronic transformers are of various types, the first generation of silicon steel sheet type is a power frequency electronic transformer, and the silicon steel sheet type electronic transformer is not mainly applied in the market due to large volume and low energy conversion efficiency. The soft magnetic high frequency electronic transformer which is commonly used at present mainly comprises magnetic materials, coils, a framework, insulating materials, pins and the like, and the working frequency is more than 50 kHz. In recent years, a PCB-type electronic transformer has appeared, and a coil is replaced by a PCB, so that the working efficiency and the working frequency are improved, and the volume is further reduced. This is a future application trend.
An electronic transformer is a device in a circuit. The common AC-DC conversion has different circuit topological structures and working modes, such as forward, flyback, half-bridge, full-bridge, push-pull, resonant, half-resonant, active clamp, buck, boost and the like, so that the electronic transformer has different requirements on parameters, mainly expressed as the size of power, more and less primary coils and secondary turns, more and less input and output groups, the difference of current, voltage output requirements and output groups, and the like, so that the electronic transformer is difficult to standardize and basically belongs to a customized non-standard product, thereby causing the problems of low efficiency of the design process, diversity in the production process, inconsistent product quality and the like for engineering technicians, and a large amount of heat can appear in the working process, the original structure has limited heat dissipation capacity and is easy to overheat and damage, so that the flexibly configurable electronic transformer and the realization method are provided, to solve this problem.
Disclosure of utility model patent
An object of the utility model is to provide an electronic transformer that can dispose in a flexible way has solved the transformer and has hardly standardized, belongs to the nonstandard article of customization basically, has caused design process inefficiency for engineering technical personnel like this, and various complication in the production process, inconsistent scheduling problem of product quality can appear a large amount of heats in operation and the use moreover, and original structure heat-sinking capability is limited, the problem of easy overheated damage.
In order to achieve the above object, the patent of the utility model provides a following technical scheme: the utility model provides an electronic transformer that can dispose in a flexible way, includes empty board of putting, the left side of empty board of putting is provided with elementary copper foil layer, the left side of elementary copper foil layer is provided with elementary shielding layer, be provided with the magnetic core between the inside of elementary copper foil layer and elementary shielding layer, the right side of empty board of putting is provided with secondary copper foil layer, the right side of elementary copper foil layer is provided with secondary shielding layer, be provided with down the magnetic core between the inside of secondary copper foil layer and secondary shielding layer, the top and the bottom of empty board side all are provided with the pin layer, elementary copper foil layer and secondary copper foil layer all are connected with the pin layer.
Preferably, the dummy plate is an insulating shielding layer.
Preferably, circuit boards are formed among the vacant board, the primary copper foil layer and the secondary copper foil layer, and the circuit boards are mutually attached.
Preferably, the primary copper foil layer and the secondary copper foil layer are both coils, and the axes of the primary copper foil layer and the secondary copper foil layer are in a via hole structure.
Compared with the prior art, the utility model discloses a beneficial effect as follows:
the utility model discloses a first is for the flexible series-parallel connection of engineer, is applicable to different circuit topologies, has just so realized standardizing; secondly, heat dissipation is facilitated; thirdly, welding is firm; fourthly, the current carrying capacity is increased; fifthly, the pins adopt standardized intervals in the electronic industry, so that the pins are convenient to mount or insert in the production process.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a left side view of the vacant plate of the present invention;
FIG. 3 is a right-side view of the dedicated blank of the present invention;
fig. 4 is an explosion diagram of the patent structure of the present invention.
In the figure: 1. a vacant plate; 2. a primary copper foil layer; 3. a primary shielding layer; 4. an upper magnetic core; 5. a secondary copper foil layer; 6. a secondary shielding layer; 7. a lower magnetic core; 8. and a pin layer.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention.
Referring to fig. 1-4, a flexibly configurable electronic transformer includes a vacant board 1, a primary copper foil layer 2 is disposed on the left side of the vacant board 1, a primary shielding layer 3 is disposed on the left side of the primary copper foil layer 2, an upper magnetic core 4 is disposed between the primary copper foil layer 2 and the inside of the primary shielding layer 3, a secondary copper foil layer 5 is disposed on the right side of the vacant board 1, a secondary shielding layer 6 is disposed on the right side of the primary copper foil layer 2, a lower magnetic core 7 is disposed between the secondary copper foil layer 5 and the inside of the secondary shielding layer 6, pin layers 8 are disposed on the top and the bottom of the side of the vacant board 1, and the primary copper foil layer 2 and the secondary copper foil layer 5 are both connected to the pin layers 8; secondly, heat dissipation is facilitated; thirdly, welding is firm; fourthly, the current carrying capacity is increased; fifthly, the pins adopt standardized intervals in the electronic industry, so that the pins are convenient to mount or insert in the production process.
In this embodiment, the dummy plate 1 is an insulating shield layer, and effectively performs insulating shielding.
In this embodiment, circuit boards are formed among the vacant board 1, the primary copper foil layer 2 and the secondary copper foil layer 5, and the circuit boards are tightly attached to each other, so that the circuit boards are conveniently connected.
In this embodiment, the primary copper foil layer 2 and the secondary copper foil layer 5 are both coils, and the axes of the primary copper foil layer 2 and the secondary copper foil layer 5 are hollow structures and connected to each component.
The utility model discloses an electronic transformer specifically includes following step when realizing:
the method comprises the following steps: the maximum output power can be obtained by looking up a table in the technical specifications of the upper magnetic core 4 and the lower magnetic core 7, and the minimum and maximum power output ranges can be determined by determining the working frequency section, so that the method is suitable for different circuit topologies and working modes;
step two: after the pin layers 8 are combined in series and parallel, the electronic transformers with various topologies, frequencies, voltage sizes, current sizes and output voltage sets can be realized within a certain power range, for example, 60W can adapt to flyback topologies, the frequency can be selected from 50-150KHZ, multiple sets of 15V, 10V, 5V and the like can be output, but the combined power is not more than 60W, and then the turn ratio is 10: 1, a multiple of 10 turns can be selected by the primary copper foil layer 2, and the secondary copper foil layer 5 is also a multiple of 1 turn selected, such as 30: 3: 2: 1, then the primary copper foil layer 2 is selected to be strung together for 30 turns, and the secondary copper foil layer 5 is selected to be strung together for 3 turns, 2 turns, 1 turn.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A flexibly configurable electronic transformer comprising a blank plate (1), characterized in that: the left side of vacancy board (1) is provided with elementary copper foil layer (2), the left side of elementary copper foil layer (2) is provided with elementary shielding layer (3), be provided with magnetic core (4) between the inside of elementary copper foil layer (2) and elementary shielding layer (3), the right side of vacancy board (1) is provided with secondary copper foil layer (5), the right side of elementary copper foil layer (2) is provided with secondary shielding layer (6), be provided with down magnetic core (7) between the inside of secondary copper foil layer (5) and secondary shielding layer (6), the top and the bottom of vacancy board (1) side all are provided with pin layer (8), elementary copper foil layer (2) and secondary copper foil layer (5) all are connected with pin layer (8).
2. A flexibly configurable electronic transformer according to claim 1, wherein: the vacant plate (1) is an insulating shielding layer.
3. A flexibly configurable electronic transformer according to claim 1, wherein: the circuit boards are formed among the empty board (1), the primary copper foil layer (2) and the secondary copper foil layer (5) and are mutually attached.
4. A flexibly configurable electronic transformer according to claim 1, wherein: the primary copper foil layer (2) and the secondary copper foil layer (5) are both coils, and the axle centers of the primary copper foil layer (2) and the secondary copper foil layer (5) are of via hole structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023104833.2U CN213752296U (en) | 2020-12-18 | 2020-12-18 | Flexibly configurable electronic transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023104833.2U CN213752296U (en) | 2020-12-18 | 2020-12-18 | Flexibly configurable electronic transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213752296U true CN213752296U (en) | 2021-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023104833.2U Active CN213752296U (en) | 2020-12-18 | 2020-12-18 | Flexibly configurable electronic transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213752296U (en) |
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2020
- 2020-12-18 CN CN202023104833.2U patent/CN213752296U/en active Active
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