CN102360845A - Single-phase multi-tap isolation transformer - Google Patents
Single-phase multi-tap isolation transformer Download PDFInfo
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- CN102360845A CN102360845A CN 201110153604 CN201110153604A CN102360845A CN 102360845 A CN102360845 A CN 102360845A CN 201110153604 CN201110153604 CN 201110153604 CN 201110153604 A CN201110153604 A CN 201110153604A CN 102360845 A CN102360845 A CN 102360845A
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Abstract
The invention discloses a single-phase multi-tap isolation transformer and belongs to the technical field of transformers. The single-phase multi-tap isolation transformer comprises an iron core, coils, a pair of power supply input connector bars, a plurality of output power supply connector bars and a grounding bar, and is characterized in that: the coils comprise a left-winding-direction coil and a right-winding-direction coil; the left-winding-direction coil comprises a first primary coil winding turn and a first secondary coil winding turn; the right-winding-direction coil comprises a second primary coil winding turn and a second secondary coil winding turn; one end of each of the pair of the power supply input connector bar is electrically connected with the first primary coil winding turn and the other end of each of the pair of the power supply input connector bar is electrically connected with the second primary coil winding turn; the plurality of output power supply connector bars are distributed on two sides of the coils; one end of each output power supply connector bar is electrically connected with the first secondary coil winding turn, and the other end of each output power supply connector bar is electrically connected with the second secondary coil winding turn; and one end of the grounding bar is electrically connected with the first secondary coil winding turn, and the other end of the grounding bar is electrically connected with the second secondary coil winding turn. The single-phase multi-tap isolation transformer has the advantages of small volume, low noise, and high working reliability, and resists impact, interference, and lightening, and the output voltage has more grades.
Description
Technical field
The invention belongs to the transformer technology field, be specifically related to a kind of single-phase many taps isolating transformer
Background technology
In
prior art, adopt oil-filled transformer to export a plurality of different voltages with different usually, and oil-filled transformer is arranged on the same side with power supply input panel and power supply output wiring board usually; Therefore volume is comparatively huge; It is big to take up room, and the radiating effect shortcoming, and will obtain desirable power supply output effect; Must increase the power of transformer, thereby be not enough to embody energy-conservation.In addition, known oil-filled transformer only can be exported 2-3 different voltages with different, and application is received certain restriction, and oil-filled transformer receives Disturbance in Power Net easily, noise is big, loss is big, voltage fluctuation is big and environment for use is had fastidious property.Thereby be necessary to improve, for this reason, the applicant has made good try, and the technical scheme that will introduce below produces under this background
Summary of the invention
task of the present invention is to provide a kind of and helps reduced volume, reduce noise, ensure that reliability, protecting against shock and anti-tampering and anti-thunderbolt and output voltage progression are many and use to satisfy such as experiment and process the single-phase many taps isolating transformer with power requirement with power supply, high-end devices power supply, precision machine tool power supply and mechano-electronic.
task of the present invention is accomplished like this; A kind of single-phase many taps isolating transformer; Comprise coil on iron core of iron core, winding, be used to introduce a pair of power supply input wires row of extraneous power supply, a plurality of out-put supply line bank and ground connection row who is used to export different voltages with different, be characterised in that: said coil comprise a left side around to coil with right around to coil, a left side around to coil around a multiple end at said iron core; And right around to coil around the multiple other end at iron core; Wherein: a left side around comprise to coil first primary coil around circle and first secondary coil around circle, first secondary coil is positioned at the outside of first primary coil around circle around circle, right around comprise to coil second primary coil around circle and second subprime coil around circle; The second subprime coil is positioned at the outside of second primary coil around circle around circle; A pair of power supply input wires row's a end is electrically connected around circle with said first primary coil, and the other end is electrically connected around circle with said second primary coil, and a plurality of out-put supply line banks are distributed in the corresponding both sides of coil; One end of each out-put supply line bank is electrically connected around circle with first secondary coil; And the other end is electrically connected around circle with the second subprime coil, and ground connection row's a end is electrically connected around circle with first secondary coil, and the other end is electrically connected around circle with the second subprime coil.
are in a concrete embodiment of the present invention; The stacked structure that forms square shape of silicon steel sheet that described iron core is handled by insulation impregnating; And the iron core transverse arm and the interface between the iron core trailing arm that constitute iron core are 45 ° of inclined interfaces; A described left side is around on the iron core trailing arm of coil winding at the left end of iron core, and the right side is around on the iron core trailing arm of coil winding at the right-hand member of iron core.
In another concrete embodiment of the present invention, described first, second primary coil constitutes by Copper Foil around circle around circle and second subprime coil around circle, first secondary coil
.
in another concrete embodiment of the present invention, described iron core together with described coil stationary between upper and lower fixed mount.
are fixed by core through screw rod between the described silicon steel sheet in another concrete embodiment of the present invention.
also have among the concrete embodiment of the present invention, and the shape of cross section of described iron core transverse arm and described iron core trailing arm is that cross-sectional area identical and each other also equates.
more of the present invention and among concrete embodiment, and the width of silicon steel sheet that constitutes said iron core transverse arm increases progressively one by one with symmetrical manner in the middle of two side direction and forms steppedly, and makes the shape of cross section of iron core transverse arm rounded.
In of the present invention and then concrete embodiment, the width of silicon steel sheet that constitutes said iron core trailing arm increases progressively one by one with symmetrical manner in the middle of two side direction and forms steppedly, and makes the shape of cross section of iron core trailing arm rounded
.
technical scheme provided by the invention has for the oil-filled transformer in the prior art that volume is little, noise is low, functional reliability is good, the strong point of shock resistance, anti-tampering and anti-thunderbolt; A plurality of out-put supply line banks are distributed in the corresponding both sides of coil; Both help to dwindle the volume and raising space availability ratio of transformer, helped exporting the voltage of multiple different magnitudes of voltage again.
Description of drawings
Fig. 1 is the embodiments of the invention structure chart.
Fig. 2 is the partial structurtes figure of Fig. 1.
Embodiment
Fig. 1 and Fig. 2 are asked for an interview in
; Provided iron core 1; This iron core 1 constitutes by silicon steel sheet is stacked, and global shape is square shape, and iron core 1 is that dipping lacquer is handled through dipping; And with core through screw rod 14 silicon steel sheet is combined reliably, with low-loss, low noise and the low temperature rise characteristic of guaranteeing iron core 1.Shown in figure, iron core 1 is engaged with each other with a pair of iron core trailing arm 12 by a pair of iron core transverse arm 11 and constitutes, and the position of the interface 13 between iron core transverse arm 11 and iron core trailing arm 12 forms 45 ° inclination angle, so that make iron core transverse arm 11 and iron core trailing arm 12 seamless combination.
The shape of cross section of
aforesaid iron core transverse arm 11 and iron core trailing arm 12 is identical and cross-sectional area each other is also equal.Because iron core transverse arm 11 forms by silicon steel sheet is stacked with iron core trailing arm 2; Therefore in the present embodiment; The width of silicon steel sheet that will constitute (being overlapped into) iron core transverse arm 11 by increasing progressively one by one and form steppedly in the middle of export-oriented and with symmetrical manner, makes the shape of cross section of iron core transverse arm 11 rounded from both sides.Above-mentioned statement also can be said like this; With constitute iron core transverse arm 11 in the middle of one piece of silicon steel sheet be benchmark; The width of all the other silicon steel sheets of the one piece of silicon steel sheet both sides that is positioned at this centre is successively decreased with the identical mode of successively decreasing; And form steppedly, so make the shape of cross section of whole iron core transverse arm 11 circular, and the global shape of iron core transverse arm 11 shows as cylinder; With example; The width of silicon steel sheet that will constitute (being stacked to) iron core trailing arm 12 from both sides by increasing progressively one by one and form stepped in the middle of export-oriented and with symmetric mode; Make the shape of cross section of iron core trailing arm 12 rounded; And the global shape of iron core trailing arm 12 is the cylinder identical with iron core transverse arm 11, and all the other are with the descriptions to iron core transverse arm 11.
The coil 2 that
provide comprise a left side around to coil 21 with right around to coil 22; A left side is around on an iron core trailing arm 12 of the left end in a pair of iron core trailing arm 12 of coil 21 windings at iron core 1, and the right side is around on an iron core trailing arm 12 of the right-hand member in a pair of iron core trailing arm 12 of coil 22 windings at iron core 1.
aforesaid left side around comprise to coil 21 first primary coil around circle 211 and first secondary coil around circle 212; In the present embodiment; First primary coil is similarly two circles around the number of turn of circle 211, and first secondary coil is two circles around the number of turn of circle 212.A pair of first primary coil is separated by the first insulation parting bead 2111 between circle 211, and the first adjacent secondary coil is separated by the second insulation parting bead 2121 between circle 212, and wherein, first secondary coil is positioned at first primary coil outside circle 211 around circle 212.
aforesaid right side is around comprising that to coil 22 second primary coil is two circles around circle 222, the second primary coils around the number of turn of circle 221 with the second subprime coil around circle 221, and the second subprime coil is similarly two circles around the number of turn of circle 222.A pair of second primary coil is separated by the 3rd insulation parting bead 2211 between circle 221, and adjacent second subprime coil is separated by the 4th insulation parting bead 2221 between circle 222, and wherein, the second subprime coil is positioned at second primary coil outside circle 221 around circle 222.Again, separate by the second insulation parting bead 2121 equally between circle 211 around the circle 212 and first primary coil at first secondary coil, and, between circle 221, separate by the 4th insulation parting bead 2221 equally around the circle 222 and second primary coil at the second subprime coil.
Fig. 1 is specifically seen in
; A pair of power supply input wires row's 3 a end is that left end shown in Figure 1 is electrically connected around circle 211 with aforesaid first primary coil, and power supply input wires row 3 the other end is that right-hand member shown in Figure 1 is electrically connected around circle 221 with aforesaid second primary coil.According to known electricity knowledge, each root power supply input wires row 3 undoubtedly corresponding to one of them first, second primary coil around circle 211,221.By shown in Figure 1, a pair of power supply input wires row 3 is positioned at the front side of coil 2.
in the present embodiment; The quantity of the out-put supply line bank 4 that provides is five; For the ease of statement; The applicant is defined as the first, second, third, fourth and the 5th line bank 4a, 4b, 4c, 4d and 4e with it; Wherein first, second line bank 4a, 4b all are positioned at the front side of coil 2, and promptly the end (left end) of first, second line bank 4a, 4b is electrically connected with the front side of first secondary coil around circle 212, and the other end (right-hand member) is electrically connected with the front side of second subprime coil around circle 221.Three, the end (left end) of the 4th and the 5th line bank 4c, 4d and 4e is electrically connected with the rear side of first secondary coil around circle 212, and the other end (right-hand member) is electrically connected with the rear side of second subprime coil 222.Thereby can draw the voltage of five kinds of different magnitudes of voltage, for example first, second, third, fourth 4a, 4b, 4c, 4d and the 5th line bank 4e provide the voltage of 80v, 160v, 20v, 120v and 40v respectively.Certainly, increase first, second secondary coil and can correspondingly increase the quantity of line bank, thereby obtain more different voltage around the number of turn of circle 212,222.
preferred scheme; Between a pair of input wires row 3, adopt first insulated terminal 31 to separate; All adopt second insulated terminal 41 to separate between first, second line bank 4a, 4b and the second line bank 4b and the power supply input wires row 3; With example, adopt the 3rd insulated terminal 42 to separate between the 3rd, the 4th, the 5th line bank 4c, 4d, the 4e.Ground connection row 5 is positioned at the rear side of coil 2; An end (left end) of this ground connection row 5 is electrically connected around circle 212 with outmost one first secondary coil of first secondary coil in circle 212, and the other end (right-hand member) is electrically connected around circle 222 with the outmost second subprime coil of second subprime coil in circle 222.Separate by the 4th insulated terminal 51 between ground connection row the 5 and the 5th line bank 4e.
aforesaid iron core 1 and coil 2 jointly be fixed on upper and lower fixed mount 6, between 7, so that structure of the present invention is installed to the field of employment by upper and lower fixed mount 6,7.
Applicant's foregoing description only is a preferred examples, can not constitute restriction to the present invention program therefrom, anyly makes form but not the variation of essence according to the given such scheme of applicant, all should be regarded as the disclosed category of the application and receive patent protection
Claims (8)
1. single-phase many taps isolating transformer; Comprise iron core (1), winding coil (2), a pair of power supply input wires row (3) who is used to introduce extraneous power supply, a plurality of out-put supply line bank (4) and the ground connection row (5) who is used to export different voltages with different on iron core (1); It is characterized in that: said coil (2) comprise a left side around to coil (21) and the right side around to coil (22); A left side around to coil (21) around a multiple end at said iron core (1); And right around to coil (22) around the multiple other end in iron core (1); Wherein: a left side around comprise to coil (21) first primary coil around circle (211) and first secondary coil around circle (212), first secondary coil is positioned at the outside of first primary coil around circle (211) around circle (212), the right side around comprise to coil (22) second primary coil around circle (221) and second subprime coil around circle (222); The second subprime coil is positioned at the outside of second primary coil around circle (221) around circle (222); A pair of power supply input wires row's (3) a end is electrically connected around circle (211) with said first primary coil, and the other end is electrically connected around circle (221) with said second primary coil, and a plurality of out-put supply line banks (4) are distributed in the corresponding both sides of coil (2); One end of each out-put supply line bank (4) is electrically connected around circle (212) with first secondary coil; And the other end is electrically connected around circle (222) with the second subprime coil, and ground connection row's (5) a end is electrically connected around circle (212) with first secondary coil, and the other end is electrically connected around circle (222) with the second subprime coil.
2. single-phase many taps isolating transformer according to claim 1; It is characterized in that the stacked structure that forms square shape of silicon steel sheet that described iron core (1) is handled by insulation impregnating; And the iron core transverse arm (11) and the interface (13) between the iron core trailing arm (12) that constitute iron core (1) are 45 ° of inclined interfaces; A described left side is around on the iron core trailing arm (12) of coil (21) winding at the left end of iron core (1), and the right side is around on the iron core trailing arm (12) of coil (22) winding at the right-hand member of iron core (1).
3. single-phase many taps isolating transformer according to claim 1 is characterized in that described first, second primary coil constitutes by Copper Foil around circle (222) around circle (212) and second subprime coil around circle (211,221), first secondary coil.
4. single-phase many taps isolating transformer according to claim 1 is characterized in that described iron core (1) is fixed between the upper and lower fixed mount (6,7) together with described coil (2).
5. single-phase many taps isolating transformer according to claim 2 is characterized in that between the described silicon steel sheet fixing by core through screw rod (14).
6. single-phase many taps isolating transformer according to claim 2, the shape of cross section that it is characterized in that described iron core transverse arm (11) and described iron core trailing arm (12) are that cross-sectional area identical and each other also equates.
7. single-phase many taps isolating transformer according to claim 2; The width of silicon steel sheet that it is characterized in that constituting said iron core transverse arm (11) increases progressively one by one with symmetrical manner in the middle of two side direction and forms steppedly, and makes the shape of cross section of iron core transverse arm (11) rounded.
8. single-phase many taps isolating transformer according to claim 2; The width of silicon steel sheet that it is characterized in that constituting said iron core trailing arm (12) increases progressively one by one with symmetrical manner in the middle of two side direction and forms steppedly, and makes the shape of cross section of iron core trailing arm (12) rounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110153604 CN102360845B (en) | 2011-06-09 | 2011-06-09 | Single-phase multi-tap isolation transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110153604 CN102360845B (en) | 2011-06-09 | 2011-06-09 | Single-phase multi-tap isolation transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102360845A true CN102360845A (en) | 2012-02-22 |
| CN102360845B CN102360845B (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110153604 Expired - Fee Related CN102360845B (en) | 2011-06-09 | 2011-06-09 | Single-phase multi-tap isolation transformer |
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| Country | Link |
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| CN (1) | CN102360845B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110581008A (en) * | 2019-09-16 | 2019-12-17 | 深圳振华富电子有限公司 | Radio frequency transformer and electric appliance |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3792395A (en) * | 1973-04-03 | 1974-02-12 | Westinghouse Electric Corp | Electrical inductive apparatus having sheet and strap wound windings |
| EP0980035A1 (en) * | 1998-08-11 | 2000-02-16 | Takaoka Electric Mfg. Co., Ltd. | Single-phase three-wire type transformer |
| CN200947381Y (en) * | 2006-08-29 | 2007-09-12 | 山东达驰电气股份有限公司 | Single-phase amorphous iron-core transformer |
| CN101354955A (en) * | 2008-05-28 | 2009-01-28 | 保定天威集团有限公司 | Single-phase traction transformer for AT power supply mode high speed electrified railroad |
| CN202120743U (en) * | 2011-06-09 | 2012-01-18 | 常熟市森源电气科技有限公司 | Single-phase multi-tap insulating transformer |
-
2011
- 2011-06-09 CN CN 201110153604 patent/CN102360845B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3792395A (en) * | 1973-04-03 | 1974-02-12 | Westinghouse Electric Corp | Electrical inductive apparatus having sheet and strap wound windings |
| EP0980035A1 (en) * | 1998-08-11 | 2000-02-16 | Takaoka Electric Mfg. Co., Ltd. | Single-phase three-wire type transformer |
| CN200947381Y (en) * | 2006-08-29 | 2007-09-12 | 山东达驰电气股份有限公司 | Single-phase amorphous iron-core transformer |
| CN101354955A (en) * | 2008-05-28 | 2009-01-28 | 保定天威集团有限公司 | Single-phase traction transformer for AT power supply mode high speed electrified railroad |
| CN202120743U (en) * | 2011-06-09 | 2012-01-18 | 常熟市森源电气科技有限公司 | Single-phase multi-tap insulating transformer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110581008A (en) * | 2019-09-16 | 2019-12-17 | 深圳振华富电子有限公司 | Radio frequency transformer and electric appliance |
| CN110581008B (en) * | 2019-09-16 | 2024-08-30 | 深圳振华富电子有限公司 | Radio frequency transformer and electric appliance |
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| Publication number | Publication date |
|---|---|
| CN102360845B (en) | 2013-06-19 |
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