CN208580652U - Insulate safety high-frequency electronic transformer - Google Patents
Insulate safety high-frequency electronic transformer Download PDFInfo
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- CN208580652U CN208580652U CN201821145086.7U CN201821145086U CN208580652U CN 208580652 U CN208580652 U CN 208580652U CN 201821145086 U CN201821145086 U CN 201821145086U CN 208580652 U CN208580652 U CN 208580652U
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Abstract
The utility model discloses a kind of insulation safety high-frequency electronic transformer, which includes the first core assembly, the second core assembly, primary skeleton, secondary framework, the primary coil being wound on primary skeleton and the secondary coil being wound on secondary framework；First core assembly includes the first magnetic core column, and the second core assembly includes the second magnetic core column, and the first magnetic core column is oppositely arranged with the second magnetic core column；Primary skeleton is socketed on the first magnetic core column, and secondary framework is socketed on the second magnetic core column；Primary coil has primary outlet, and secondary coil has secondary lead-out wire, is provided with primary contact pin on primary skeleton, and secondary contact pin is provided on secondary framework, and primary outlet is correspondingly connected with primary contact pin, and secondary lead-out wire is correspondingly connected with secondary contact pin.The utility model insulation safety high-frequency electronic transformer solves the problems, such as that high-frequency electronic transformer is not able to satisfy safety requirement.
Description
Technical field
The utility model relates to transformer technology field, in particular to a kind of insulation safety high-frequency electronic transformer.
Background technique
High-frequency electronic transformer refers to the electronic transformer higher than 20kHZ working frequency, conventional high frequency electronic transformer
Insulation system is simple, and by taking skeleton as an example, mainly based on single slot, primary and secondary coil winding on the same backbone, has before and after coiling
Margin tape and component insulation adhesive tape, then in magnetic core periphery packet insulating tape.But due to conventional transformer primary and secondary coil
It is wound on the reason of same skeleton, is having the occasion of safety requirement (safe distance, high pressure arcing etc.) to have some limitations,
Include:
(1) primary and secondary coil distance is closer, and coil turn-to-turn leakage inductance consistency is bad, and distribution capacity is big, is easy to power supply electricity
Device in road damages；
(2) primary and secondary contact pin safe distance is inadequate, cannot be tested by safety；
Therefore, conventional high frequency electronic transformer using primary and secondary coil winding on the same backbone by the way of be not able to satisfy and work as
Preceding safety requirement.
Utility model content
The main purpose of the utility model is to provide a kind of insulation safety high-frequency electronic transformer, it is intended to solve high-frequency electronic
Transformer is not able to satisfy the problem of safety requirement.
To achieve the above object, the utility model proposes a kind of insulation safety high-frequency electronic transformer, the insulation safety is high
Band electronic transformer includes the first core assembly, the second core assembly, primary skeleton, secondary framework, is wound on the primary bone
Primary coil on frame and the secondary coil being wound on the secondary framework；
First core assembly includes the first magnetic core column, and second core assembly includes the second magnetic core column, and described the
One magnetic core column is oppositely arranged with the second magnetic core column；
The primary skeleton is socketed on the first magnetic core column, and the secondary framework is socketed on the second magnetic core column
On；
The primary coil has a primary outlet, and the secondary coil has a secondary lead-out wire, on the primary skeleton
It is provided with primary contact pin, secondary contact pin is provided on the secondary framework, the primary outlet is corresponding with the primary contact pin
Connection, the secondary lead-out wire are correspondingly connected with the secondary contact pin.
Preferably, first shell, the first shell are provided between first core assembly and the primary skeleton
Be provided with for the primary skeleton accommodating the first accommodating cavity and for the first magnetic core column pass through the first shell with it is described
First opening of primary skeleton socket；
Second shell is provided between second core assembly and the secondary framework, the second shell is provided with confession
The second accommodating cavity and pass through the second shell and the secondary framework for the second magnetic core column that the secondary framework accommodates
Second opening of socket.
Preferably, the primary skeleton is multiple-grooved skeleton.
Preferably, the slot number of the primary skeleton is three slots.
Preferably, the high-temperature insulation adhesive tape for insulation is additionally provided on the primary coil and the secondary coil.
Technical solutions of the utility model are by using the first core assembly, the second core assembly, primary skeleton, secondary bone
Frame, the primary coil being wound on primary skeleton and the secondary coil being wound on secondary framework constitute insulation safety high-frequency electrical
Sub- transformer, the first core assembly include the first magnetic core column, and the second core assembly includes the second magnetic core column, the first magnetic core column and the
Two magnetic core columns are oppositely arranged, and primary skeleton is socketed on the first magnetic core column, and secondary framework is socketed on the second magnetic core column, primary line
Circle has primary outlet, and secondary coil has secondary lead-out wire, is provided with primary contact pin on primary skeleton, sets on secondary framework
It is equipped with secondary contact pin, primary outlet is correspondingly connected with primary contact pin, and secondary lead-out wire is correspondingly connected with secondary contact pin.Insulation peace
Separately correspondence is wound on primary skeleton and secondary framework the primary and secondary coil of rule high-frequency electronic transformer, primary skeleton and secondary
Skeleton is oppositely arranged and is correspondingly sleeved on the first magnetic core column of the first core assembly and the second magnetic core column of the second core assembly,
Compared to the mode of primary and secondary coil coupling coiling, primary coil and the secondary coil of insulation safety high-frequency electronic transformer are separated
Coiling, relative distance increases, to reduce the distribution capacity between primary and secondary coil, avoids to other in power circuit
Device damages, while the distance between primary contact pin and secondary contact pin are greater than safe distance, to solve high-frequency electronic
Transformer is not able to satisfy the problem of safety requirement.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model insulation one embodiment of safety high-frequency electronic transformer.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot
It is interpreted as its relative importance of indication or suggestion or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.In addition, the skill between each embodiment
Art scheme can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when technical solution
It will be understood that the combination of this technical solution is not present in conjunction with there is conflicting or cannot achieve when, also not in the utility model
It is required that protection scope within.
The utility model proposes a kind of insulation safety high-frequency electronic transformers.
To achieve the above object, the utility model proposes a kind of insulation safety high-frequency electronic transformers, as shown in Figure 1, Fig. 1
For the structural schematic diagram of the utility model insulation one embodiment of safety high-frequency electronic transformer, the insulation safety high-frequency electronic becomes
Depressor includes the first core assembly 13, the second core assembly 23, primary skeleton 12, secondary framework 22, is wound on the primary bone
Primary coil 11 on frame 12 and the secondary coil 21 being wound on the secondary framework 22；
First core assembly 13 includes the first magnetic core column 14, and second core assembly 23 includes the second magnetic core column
24, the first magnetic core column 14 is oppositely arranged with the second magnetic core column 24；
The primary skeleton 12 is socketed on the first magnetic core column 14, and the secondary framework 22 is socketed on second magnetic
On stem 24；
The primary coil 11 has primary outlet (not shown go out), and the secondary coil 21 has secondary lead-out wire
(not shown go out) is provided with primary contact pin 15 on the primary skeleton 12, secondary contact pin 25 is provided on the secondary framework 22,
The primary outlet is correspondingly connected with the primary contact pin 15, and the secondary lead-out wire is corresponding with the secondary contact pin 25 to be connected
It connects.
In the present embodiment, the first core assembly 13 is identical as 23 structure of the second core assembly, can in " mountain " type, cylinder or
Person's other shapes, primary skeleton 12 are close to setting with secondary framework 22, and bakelite bone can be used with secondary framework 22 in primary skeleton 12
Frame or other material skeletons, primary coil 11 are wound on primary skeleton 12, and secondary coil 21 is wound on secondary framework 22,
The primary contact pin 15 for connecting with power circuit, one end of primary contact pin 15 and primary line are additionally provided on primary skeleton 12
The lead-out wire of circle 11 is correspondingly connected with, and the other end is welded on the pcb board of power circuit, similarly, is provided on secondary framework 22
Secondary contact pin 25 for connecting with power circuit, one end of secondary contact pin 25 and the lead-out wire of secondary coil 21 are correspondingly connected with,
The other end is welded on the pcb board of power circuit.
According to capacitor calculation formula:
Wherein, C indicates coil turn-to-turn capacitance, and ε indicates that dielectric constant, S indicate pole plate positive area, and k indicates electrostatic force
Constant, d indicates the distance between pole plate, in the present embodiment, separates coiling by primary and secondary coil 21, increase between coil away from
From d, to reduce the distribution capacity of coil turn-to-turn, avoids distribution capacity excessive and the other devices of power circuit are caused to damage
It is bad, and leakage inductance consistency is good, while primary and secondary contact pin 25 is arranged on the both ends of primary skeleton 12 and secondary framework 22, and primary is inserted
The distance between needle 15 and secondary contact pin 25 increase and are greater than 6mm as defined in safety test, meet safety test request, so that high
Band electronic transformer can satisfy safety requirement.
Technical solutions of the utility model are by using the first core assembly 13, the second core assembly 23, primary skeleton 12, secondary
Grade skeleton 22, the primary coil 11 being wound on primary skeleton 12 and the secondary coil 21 being wound on secondary framework 22 constitute
Insulate safety high-frequency electronic transformer, and the first core assembly 13 includes the first magnetic core column 14, and the second core assembly 23 includes second
Magnetic core column 24, the first magnetic core column 14 are oppositely arranged with the second magnetic core column 24, and primary skeleton 12 is socketed on the first magnetic core column 14, secondary
Grade skeleton 22 is socketed on the second magnetic core column 24, and primary coil 11 has primary outlet, and secondary coil 21 has secondary draw
Line is provided with primary contact pin 15 on primary skeleton 12, is provided with secondary contact pin 25 on secondary framework 22, primary outlet and primary
Contact pin 15 is correspondingly connected with, and secondary lead-out wire is correspondingly connected with secondary contact pin 25.The primary and secondary of insulation safety high-frequency electronic transformer
Separately correspondence is wound on primary skeleton 12 and secondary framework 22 coil 21, primary skeleton 12 and secondary framework 22 be oppositely arranged and
It is correspondingly sleeved on the first magnetic core column 14 of the first core assembly 13 and the second magnetic core column 24 of the second core assembly 23, compared to
Primary and secondary coil 21 couples the mode of coiling, and insulation safety high-frequency electronic transformer is separated using primary coil 11 and secondary coil
The relative distance of the mode of coiling, primary coil 11 and secondary coil 21 increases, to reduce primary coil 11 and secondary wire
Distribution capacity between circle 21, avoids damaging other devices in power circuit, while primary contact pin 15 is inserted with secondary
The distance between needle 25 is greater than safety creepage distance, to solve the problems, such as that high-frequency electronic transformation cannot be tested by safety.
Further, it is provided with first shell 16 between first core assembly 13 and the primary skeleton 12, it is described
First shell 16 is provided with for the first accommodating cavity 17 of the primary accommodating of skeleton 12 and passes through institute for the first magnetic core column 14
State the first opening 18 of first shell 16 and the primary socket of skeleton 12；
Second shell 26, the second shell 26 are provided between second core assembly 23 and the secondary framework 22
It is provided with for the second accommodating cavity 27 of the secondary framework 22 accommodating and passes through the second shell for the second magnetic core column 24
26 the second openings 28 being socketed with the secondary framework 22.
In the present embodiment, is also respectively corresponded outside primary coil 11 and secondary coil 21 and be provided with first shell 16 and second
Shell 26 avoids occurring between coil and magnetic core pressure-resistant undesirable for reinforcing the insulation effect between coil and core assembly
Problem, first shell 16 are close to primary skeleton 12, and first shell 16 is wrapped up primary coil 11 and primary skeleton 12 simultaneously and made
Primary contact pin 15 exposes, and the first opening 17 is additionally provided in first shell 16, the first magnetic core column 14 may pass through the first opening 17 simultaneously
Be inserted into primary skeleton 12, similarly, second shell 26 is close to secondary framework 22, second shell 26 wrap up simultaneously secondary coil 21 and
Secondary framework 22 and expose secondary contact pin 25, the second opening 27 is additionally provided in second shell 26, the second magnetic core column 24 can be worn
It crosses the second opening 27 and is inserted into secondary framework 22, plastic cement insulation shell or other can be used in first shell 16 and second shell 26
Shell with insulating capacity, is not particularly limited herein.
Further, the primary skeleton 12 is multiple-grooved skeleton.
Bad in order to reduce 11 turn-to-turn of primary coil in the present embodiment, primary skeleton 12 uses multiple-grooved skeleton, in each slot
Uniform coiling is not easy to accumulate so that coil is smooth, to improve the leakage inductance of coil, and the slot number of primary skeleton 12 is not
It is preferably excessive, avoid the waste of framework material and coiling difficulty from increasing, therefore, in the present embodiment, the slot number of primary skeleton 12 is set
It is set to three slots.
Further, the high-temperature insulation for insulation is additionally provided on the primary coil 11 and the secondary coil 21
Adhesive tape (not shown go out).
It should be noted that primary coil 11 and secondary coil 21 are wound on respectively on primary skeleton 12 and secondary framework 22
Afterwards, also sealed envelope has high-temperature insulation adhesive tape outside for primary coil 11 and secondary coil 21, reinforces between coil and core assembly
Insulation effect, high-temperature insulation adhesive tape can be used the higher material of the class of insulation, high-temperature insulation adhesive tape in fixed primary coil 11 and
The effect of isolation high temperature is also acted while secondary coil 21.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (5)
1. a kind of insulation safety high-frequency electronic transformer, which is characterized in that including the first core assembly, the second core assembly, just
Grade skeleton, secondary framework, the primary coil being wound on the primary skeleton and the secondary wire being wound on the secondary framework
Circle；
First core assembly includes the first magnetic core column, and second core assembly includes the second magnetic core column, first magnetic
Stem is oppositely arranged with the second magnetic core column；
The primary skeleton is socketed on the first magnetic core column, and the secondary framework is socketed on the second magnetic core column；
The primary coil has primary outlet, and the secondary coil has secondary lead-out wire, is arranged on the primary skeleton
There is primary contact pin, secondary contact pin is provided on the secondary framework, the primary outlet is correspondingly connected with the primary contact pin,
The secondary lead-out wire is correspondingly connected with the secondary contact pin.
2. insulation safety high-frequency electronic transformer as described in claim 1, which is characterized in that first core assembly and institute
It states and is provided with first shell between primary skeleton, the first shell is provided with the first accommodating cavity for the primary skeleton accommodating
And the first opening of the first shell and the primary skeleton socket is passed through for the first magnetic core column；
Second shell is provided between second core assembly and the secondary framework, the second shell is provided with described in confession
The second accommodating cavity and pass through the second shell and secondary framework socket for the second magnetic core column that secondary framework accommodates
Second opening.
3. insulation safety high-frequency electronic transformer as described in claim 1, which is characterized in that the primary skeleton is multiple-grooved bone
Frame.
4. as claimed in claim 3 insulation safety high-frequency electronic transformer, which is characterized in that it is described primary skeleton slot number be
Three slots.
5. the insulation safety high-frequency electronic transformer as described in any one of Claims 1-4, which is characterized in that described first
The high-temperature insulation adhesive tape for insulation is additionally provided on grade coil and the secondary coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821145086.7U CN208580652U (en) | 2018-07-17 | 2018-07-17 | Insulate safety high-frequency electronic transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821145086.7U CN208580652U (en) | 2018-07-17 | 2018-07-17 | Insulate safety high-frequency electronic transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208580652U true CN208580652U (en) | 2019-03-05 |
Family
ID=65510864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821145086.7U Active CN208580652U (en) | 2018-07-17 | 2018-07-17 | Insulate safety high-frequency electronic transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208580652U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114188153A (en) * | 2021-12-20 | 2022-03-15 | 东莞市迈思普电子有限公司 | Transformer skeleton texture suitable for medical authentication |
-
2018
- 2018-07-17 CN CN201821145086.7U patent/CN208580652U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114188153A (en) * | 2021-12-20 | 2022-03-15 | 东莞市迈思普电子有限公司 | Transformer skeleton texture suitable for medical authentication |
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