CN209045320U - A kind of practical miniature transformer - Google Patents
A kind of practical miniature transformer Download PDFInfo
- Publication number
- CN209045320U CN209045320U CN201821857682.8U CN201821857682U CN209045320U CN 209045320 U CN209045320 U CN 209045320U CN 201821857682 U CN201821857682 U CN 201821857682U CN 209045320 U CN209045320 U CN 209045320U
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- main casing
- terminal
- miniature transformer
- screw
- lower cover
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Abstract
The utility model discloses a kind of practical miniature transformers, including main casing, the main casing is internally provided with iron core, primary coil and secondary coil are arranged with outside the iron core, the lower end of main casing is provided with several terminal boxes, input terminal is provided in the terminal box in left side, output terminal is provided in the terminal box on right side, the input terminal is connected with primary coil, the output terminal is connected with secondary coil, the terminal box includes upper end cover and lower cover, the lower cover is fixedly connected on a main housing, the upper end cover is fixedly mounted on lower cover by being threadedly engaged.The utility model is that a kind of structure is simple, and performance is stablized, and moisture resistance is good, the practical miniature transformer of good heat dissipation effect.
Description
Technical field
The utility model relates to field transformer, specially a kind of practical miniature transformer.
Background technique
The most common range of voltage in contact with daily life is 110~220V, but most of required by electronic product
Voltage be below this range, therefore it is big to adjust the voltage that power source is supplied to electronic product to need transformer, however large-scale
Transformer and the volume of not applicable electronic product and using needing, in comparison miniature transformer is more suitable for.However current city
All there is connecting terminal exposure, easy to aging, the feelings such as poor, job insecurity of transformer heat dissipation effect in the visible miniature transformer in face
Condition.It solves the above problems so needing the novel miniature transformer of one kind.
Utility model content
The purpose of this utility model is to provide a kind of practical miniature transformers, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of practical miniature transformer, including master
Shell, the main casing are internally provided with iron core, primary coil and secondary coil are arranged with outside the iron core, main casing
Lower end is provided with several terminal boxes, and input terminal is provided in the terminal box in left side, is provided with output end in the terminal box on right side
Son, the input terminal are connected with primary coil, and the output terminal is connected with secondary coil, and the terminal box includes upper end cover
And lower cover, the lower cover are fixedly connected on a main housing, the upper end cover is fixedly mounted on lower cover by being threadedly engaged
On.
Preferably, it is provided with threaded hole in the lower cover, is provided with mounting groove in the upper end cover, in the mounting groove
Be provided with screw, the screw passes through mounting groove, and the lower end of screw is mounted in threaded hole, the mounting groove and screw head it
Between be provided with screw gasket.
Preferably, end cap seal pad is provided in the contact face of the upper end cover and lower cover, the terminal box is separate
It is provided with threading hole on the side wall of main casing side, is provided with sealing ring in the threading hole.
Preferably, the main casing includes outer housing, is provided with insulating layer on the inside of the outer housing.
Preferably, the outer housing is made of aluminium, and the surface of outer housing is provided with several heat dissipation aluminium fins.
Preferably, the shell is internally provided with several placing grooves, and the placing groove is filled with alumina powder.
Compared with prior art, the utility model has the beneficial effects that the input terminal and the output terminal in the utility model
It is arranged in terminal box, the lower cover of terminal box is fixedly connected on a main housing, and upper end cover, which is connected through a screw thread, to be fixedly mounted on
On lower cover.Screw gasket can increase the leakproofness at screw, and end cap seal pad can increase upper end cover and lower cover
The leakproofness of contact face, sealing ring can increase the leakproofness of threading hole, to realize the sealing of terminal box, play protection and connect
The effect of line mouth；Heat dissipation aluminium fin can increase the heat dissipation effect of main casing, and placing groove is filled with alumina powder, alumina powder
The moisture resistance inside main casing can be improved in end.The use of the new type is that a kind of structure is simple, and performance is stablized, and moisture resistance is good, heat dissipation
The good practical miniature transformer of effect.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of practical miniature transformer；
Fig. 2 is a kind of front view of practical miniature transformer；
Fig. 3 is the front view of terminal box；
Fig. 4 is the top view of terminal box.
In figure: 1- main casing, 2- terminal box, 3- sealing ring, 4- threading hole, 5- end cap seal pad, 6- input terminal, 7- are defeated
Terminal out, 8- lower cover, 9- upper end cover, 10- threaded hole, 11- mounting groove, 12- screw, 13- screw gasket, 14- primary line
Circle, 15- secondary coil, 16- outer housing, 17- insulating layer, 18- iron core, 19- aluminium fin, 20- placing groove.
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 describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1~4 are please referred to, the utility model provides a kind of technical solution: a kind of practical miniature transformer, including main casing
Body 1, the main casing 1 are internally provided with iron core 18, are arranged with primary coil 14 and secondary coil 15 outside the iron core 18,
The lower end of main casing 1 is provided with several terminal boxes 2, is provided with input terminal 6 in the terminal box 2 in left side, in the terminal box 2 on right side
It is provided with output terminal 7, the input terminal 6 is connected with primary coil 14, and the output terminal 7 is connected with secondary coil 15,
The terminal box 2 includes upper end cover 9 and lower cover 8, and the lower cover 8 is fixedly connected on main casing 1, and the upper end cover 9 is logical
It crosses to be threadedly engaged and be fixedly mounted on lower cover 8.
It is provided with threaded hole 10 in the lower cover 8, mounting groove 11, the mounting groove 11 are provided in the upper end cover 9
In be provided with screw 12, the screw 12 passes through mounting groove 11, and the lower end of screw 12 is mounted in threaded hole 10, the mounting groove
Screw gasket 13 is provided between 11 and 12 head of screw.
It is provided with end cap seal pad 5 in the contact face of the upper end cover 9 and lower cover 8, the terminal box 2 is far from main casing
It is provided with threading hole 4 on the side wall of 1 side of body, is provided with sealing ring 3 in the threading hole 4.
The main casing 1 includes outer housing 16, and the inside of the outer housing 16 is provided with insulating layer 17.
The outer housing 16 is made of aluminium, and the surface of outer housing 16 is provided with several heat dissipation aluminium fins 19.
The shell 1 is internally provided with several placing grooves 20, and the placing groove 20 is filled with alumina powder.
The working principle of the utility model is: it includes main casing 1 that the utility model, which is the practical miniature transformer of one kind, it is main
Shell 1 is internally provided with iron core 18, and primary coil 14 and secondary coil 15, the lower end of main casing 1 are arranged with outside iron core 18
Several terminal boxes 2 are provided with, input terminal 6 is provided in the terminal box 2 in left side, is provided with output end in the terminal box 2 on right side
Son 7, input terminal 6 is connected with primary coil 14, and output terminal 7 is connected with secondary coil 15, and terminal box 2 includes 9 He of upper end cover
Lower cover 8, lower cover 8 are fixedly connected on main casing 1, and upper end cover 9, which is connected through a screw thread, to be fixedly mounted on lower cover 8.Spiral shell
Nail gasket 13 is used to increase the leakproofness at screw 12, and end cap seal pad 5 is used to increase the contact of upper end cover 9 with lower cover 8
The leakproofness of end face, sealing ring 3 are used to increase the leakproofness of threading hole 4, to realize the sealing of terminal box 2, play protection and connect
The effect of line mouth；Heat dissipation aluminium fin 19 is used to increase the heat dissipation effect of main casing 1, and placing groove 20 is filled with alumina powder, oxygen
Change aluminium powder to be used to improve the moisture resistance inside main casing 1.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of practical miniature transformer, including main casing (1), it is characterised in that: main casing (1) is internally provided with
Iron core (18), the iron core (18) is external to be arranged with primary coil (14) and secondary coil (15), the lower end setting of main casing (1)
Have several terminal boxes (2), be provided with input terminal (6) in the terminal box (2) in left side, is provided in the terminal box (2) on right side defeated
Terminal (7) out, the input terminal (6) are connected with primary coil (14), the output terminal (7) and secondary coil (15) phase
Even, the terminal box (2) includes upper end cover (9) and lower cover (8), and the lower cover (8) is fixedly connected on main casing (1),
The upper end cover (9) is fixedly mounted on lower cover (8) by being threadedly engaged.
2. the practical miniature transformer of one kind according to claim 1, it is characterised in that: setting in the lower cover (8)
Have threaded hole (10), be provided with mounting groove (11) in the upper end cover (9), is provided with screw (12) in the mounting groove (11),
The screw (12) passes through mounting groove (11), and the lower end of screw (12) is mounted in threaded hole (10), the mounting groove (11) with
Screw gasket (13) are provided between screw (12) head.
3. the practical miniature transformer of one kind according to claim 1, it is characterised in that: the upper end cover (9) and lower end
It covers in the contact face of (8) and is provided with end cap seal pad (5), set on the side wall of separate main casing (1) side of the terminal box (2)
It is equipped with threading hole (4), is provided with sealing ring (3) in the threading hole (4).
4. the practical miniature transformer of one kind according to claim 1, it is characterised in that: the main casing (1) includes outer
Shell (16) is provided with insulating layer (17) on the inside of the outer housing (16).
5. the practical miniature transformer of one kind according to claim 4, it is characterised in that: the outer housing (16) is by aluminium
It is made, the surface of outer housing (16) is provided with several heat dissipation aluminium fins (19).
6. the practical miniature transformer of one kind according to claim 1, it is characterised in that: the inside of the shell (1) is set
It is equipped with several placing grooves (20), the placing groove (20) is filled with alumina powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821857682.8U CN209045320U (en) | 2018-11-13 | 2018-11-13 | A kind of practical miniature transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821857682.8U CN209045320U (en) | 2018-11-13 | 2018-11-13 | A kind of practical miniature transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209045320U true CN209045320U (en) | 2019-06-28 |
Family
ID=67042189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821857682.8U Active CN209045320U (en) | 2018-11-13 | 2018-11-13 | A kind of practical miniature transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209045320U (en) |
-
2018
- 2018-11-13 CN CN201821857682.8U patent/CN209045320U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A practical miniature transformer Effective date of registration: 20210622 Granted publication date: 20190628 Pledgee: Fuzhou hi tech Zone Industry and technology Financing Guarantee Co., Ltd Pledgor: JIANGXI SHENGLING TECHNOLOGY Co.,Ltd. Registration number: Y2021980005140 |