CN206947125U - A kind of toroidal transformer coil - Google Patents
A kind of toroidal transformer coil Download PDFInfo
- Publication number
- CN206947125U CN206947125U CN201720186437.8U CN201720186437U CN206947125U CN 206947125 U CN206947125 U CN 206947125U CN 201720186437 U CN201720186437 U CN 201720186437U CN 206947125 U CN206947125 U CN 206947125U
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- winding
- line circle
- middle level
- internal layer
- annular core
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Abstract
The utility model discloses a kind of toroidal transformer coil, including outer layer winding, middle level winding and internal layer winding, the internal layer winding is wrapped in the outside of annular core two, the middle level winding is wrapped in the outside of internal layer winding, annular core one is glued with the upside of the middle level winding, the outer layer winding is wrapped in the outside of middle level winding and annular core one, short-circuit protector is installed on the internal layer winding, the initiating terminal of the outer layer winding is respectively arranged with outer winding initial line circle and outer winding buttock line circle, the initiating terminal of the middle level winding is respectively arranged with middle winding initial line circle and middle winding buttock line circle.An internal diameter is equal and less iron core by being set up on the coaxial line of main iron core for the utility model, and by third layer winding by two iron cores be wrapped in and with the windings in series of the primary side of internal layer or secondary side, so that toroidal transformer integrates reactor in itself, the lateral wall of each winding is separated using support member, improves transformer radiating effect.
Description
Technical field
Toroidal transformer coil field is the utility model is related to, specially a kind of toroidal transformer coil.
Background technology
Toroidal transformer is a big type of electronic transformer, be widely used to home appliance and other technical requirements compared with
In high electronic equipment, being mainly used for as power transformer and isolating transformer for it, it is widely used in computer, medical treatment
Equipment, telecommunication, instrument and lighting etc., mutually it is adjacent between traditional toroidal transformer coil windings, is unfavorable for itself
Radiating, causes toroidal transformer service life low, and the coil of toroidal transformer is generally bilayer, and toroidal transformer uses in itself
When leakage inductance be present, it is necessary to external reactor, this make it that volume itself also increases while cost increase, overwhelming majority annular becomes
Depressor does not install short-circuit protector, is installed in addition with by outside, and protecting effect is bad.
Utility model content
The purpose of this utility model is to provide a kind of toroidal transformer coil, to solve what is proposed in above-mentioned background technology
The problems such as being unfavorable for self-radiating is mutually adjacent between traditional toroidal transformer coil windings.
To achieve the above object, the utility model provides following technical scheme：A kind of toroidal transformer coil, including outer layer
Winding, middle level winding and internal layer winding, the internal layer winding are wrapped in the outside of annular core two, and the middle level winding is wrapped in
The outside of internal layer winding, annular core one is glued with the upside of the middle level winding, the outer layer winding is wrapped in middle level winding
With the outside of annular core one, short-circuit protector is installed on the internal layer winding, the initiating terminal of the outer layer winding is set respectively
Outer winding initial line circle and outer winding buttock line circle are equipped with, the initiating terminal of the middle level winding is respectively arranged with middle winding initial line circle with
Winding buttock line circle, the initiating terminal of the internal layer winding are respectively arranged with interior winding initial line circle and interior winding buttock line circle, the outer layer
The outer winding initial line circle of winding is connected in series with middle winding buttock line circle or interior winding buttock line circle is connected in series.
Preferably, the annular core one is equal with the internal diameter of annular core two, axle center and the annular of the annular core one
The axle center of iron core two is on same axis, and the volume of annular core one is much smaller than the volume of annular core two.
Preferably, it is provided with insulating barrier on the inwall of the outer layer winding, middle level winding and internal layer winding.
Preferably, support member is installed between the inwall of the outer layer winding and the outer wall of middle level winding, the middle level around
Support member, the inwall of the internal layer winding and the outer wall of annular core two are installed between the inwall of group and the outer wall of internal layer winding
Between support member is installed.
Preferably, the short-circuit protector is arranged on interior winding initial line circle and interior winding buttock line circle, the short-circuit protection
Insulating protective cover is installed on the outside of device.
Compared with prior art, the beneficial effects of the utility model are：The utility model passes through the coaxial line in main iron core
On set up that an internal diameter is equal and less iron core, and by third layer winding by two iron cores be wrapped in and and internal layer
Primary side or secondary side windings in series so that toroidal transformer in itself integrate reactor, using support member by it is each around
The lateral wall of group separates, and improves transformer radiating effect, by installing short-circuit protector on internal layer winding, adds transformation
The self-protection function of device in itself, protecting effect is more preferable, and the toroidal transformer loop construction is reasonable, long lifespan safe to use, turns
Change efficiency high, be worth of widely use.
Brief description of the drawings
Fig. 1 is a kind of radial section stereogram of toroidal transformer coil of the utility model；
Fig. 2 is a kind of phantom of toroidal transformer coil of the utility model.
In figure：1- annular cores one, 2- outer layers winding, 3- support members, 4- middle levels winding, 5- internal layers winding, 6- annular iron
Winding buttock line in winding initial line circle, 11- in the outer winding initial line circle of core two, 7- short-circuit protectors, 8-, the outer winding buttock line circles of 9-, 10-
Circle, winding initial line circle in 12-, winding buttock line circle in 13-.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to Fig. 1-2, a kind of embodiment provided by the utility model：A kind of toroidal transformer coil, including outer layer around
Group 2, middle level winding 4 and internal layer winding 5, internal layer winding 5 are wrapped in the outside of annular core 26, and middle level winding 4 is wrapped in internal layer
The outside of winding 5, the upside of middle level winding 4 are glued with annular core 1, and outer layer winding 2 is wrapped in middle level winding 4 and annular iron
The outside of core 1, an internal diameter is equal and less annular core 1 by being set up on coaxial line, and passes through outer layer winding
By two iron cores be wrapped in and with the windings in series of internal layer so that toroidal transformer in itself integrate reactor, internal layer winding 5
On short-circuit protector 7 is installed, play short-circuit protection effect, the initiating terminal of outer layer winding 2 is respectively arranged with outer winding initial line circle 8
With outer winding buttock line circle 9, the initiating terminal of middle level winding 4 is respectively arranged with middle winding initial line circle 10 and middle winding buttock line circle 11, interior
The initiating terminal of layer winding 5 is respectively arranged with interior winding initial line circle 12 and interior winding buttock line circle 13, the outer winding initial line of outer layer winding 2
Circle 8 is connected in series with middle winding buttock line circle 11 or interior winding buttock line circle 12 is connected in series, and two kinds of different series systems adapt to
Different demands, annular core 1 is equal with the internal diameter of annular core 26, the axle center of annular core 1 and the axle of annular core 26
The heart is on same axis, and the volume of annular core 1 is much smaller than the volume of annular core 26, itself integrated reactor, outer layer
Insulating barrier, inwall and the middle level winding 4 of outer layer winding 2 are provided with the inwall of winding 2, middle level winding 4 and internal layer winding 5
Outer wall between support member 3 is installed, be advantageous to insulating radiation, pacify between the inwall of middle level winding 4 and the outer wall of internal layer winding 5
Equipped with support member 3, support member 3 is installed between the inwall of internal layer winding 5 and the outer wall of annular core 26, is advantageous to insulation and dissipates
Heat, short-circuit protector 7 are arranged on interior winding initial line circle 12 and interior winding buttock line circle 13, and the outside of short-circuit protector 7 is provided with
Insulating protective cover, internal layer short-circuit protector is carried, it is good to save cost protecting effect.
Specifically used mode：In utility model works, by the outer winding initial line circle 8 of outer layer winding 2 and middle winding buttock line
Circle 11 is connected in series or interior winding buttock line circle 12 is connected in series, when outer winding initial line circle 8 and the middle winding buttock line of outer layer winding 2
When circle 11 is connected in series, interior winding initial line circle 12 and interior winding buttock line circle 13 are used as output end, outer winding buttock line circle 9 and middle winding
Initial line circle 10 is used as input, when outer winding initial line circle 8 and the interior winding buttock line circle 12 of outer layer winding 2 are connected in series, outer winding
Buttock line circle 9 and interior winding buttock line circle 13 are used as output end, and middle winding initial line circle 10 and middle winding buttock line circle 11 are used as input,
Caused heat can be advantageous to radiate transformer by the support member 3 between each winding in itself during use, when occurring in circuit
When short-circuit, the short-circuit protector 7 on internal layer winding 5 can play a protective role.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Claims (5)
1. a kind of toroidal transformer coil, including outer layer winding (2), middle level winding (4) and internal layer winding (5), it is characterised in that：
The internal layer winding (5) is wrapped in the outside of annular core two (6), and the middle level winding (4) is wrapped in the outer of internal layer winding (5)
Side, annular core one (1) is glued with the upside of the middle level winding (4), the outer layer winding (2) is wrapped in middle level winding (4)
With the outside of annular core one (1), short-circuit protector (7) is installed on the internal layer winding (5), the outer layer winding (2)
Initiating terminal is respectively arranged with outer winding initial line circle (8) and outer winding buttock line circle (9), the initiating terminal difference of the middle level winding (4)
Middle winding initial line circle (10) and middle winding buttock line circle (11) are provided with, in the initiating terminal of the internal layer winding (5) is respectively arranged with
Winding initial line circle (12) and interior winding buttock line circle (13), outer winding initial line circle (8) and the middle winding buttock line of the outer layer winding (2)
Circle (11) is connected in series or interior winding buttock line circle (12) is connected in series.
A kind of 2. toroidal transformer coil according to claim 1, it is characterised in that：The annular core one (1) and ring
Shape iron core two (6) internal diameter is equal, and the axle center of the annular core one (1) is in same axis with the axle center of annular core two (6)
On, the volume of annular core one (1) is much smaller than the volume of annular core two (6).
A kind of 3. toroidal transformer coil according to claim 1, it is characterised in that：The outer layer winding (2), middle level around
Insulating barrier is provided with the inwall of group (4) and internal layer winding (5).
A kind of 4. toroidal transformer coil according to claim 1, it is characterised in that：The inwall of the outer layer winding (2)
Support member (3) is installed between the outer wall of middle level winding (4), the inwall of the middle level winding (4) is outer with internal layer winding (5)
Support member (3) is installed between wall, branch is installed between the inwall of the internal layer winding (5) and the outer wall of annular core two (6)
Support member (3).
A kind of 5. toroidal transformer coil according to claim 1, it is characterised in that：Short-circuit protector (7) installation
On interior winding initial line circle (12) and interior winding buttock line circle (13), insulation protection is installed on the outside of the short-circuit protector (7)
Cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720186437.8U CN206947125U (en) | 2017-02-28 | 2017-02-28 | A kind of toroidal transformer coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720186437.8U CN206947125U (en) | 2017-02-28 | 2017-02-28 | A kind of toroidal transformer coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206947125U true CN206947125U (en) | 2018-01-30 |
Family
ID=61357879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720186437.8U Expired - Fee Related CN206947125U (en) | 2017-02-28 | 2017-02-28 | A kind of toroidal transformer coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206947125U (en) |
-
2017
- 2017-02-28 CN CN201720186437.8U patent/CN206947125U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 Termination date: 20210228 |