CN205230773U - Power transformer - Google Patents
Power transformer Download PDFInfo
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- CN205230773U CN205230773U CN201520948060.6U CN201520948060U CN205230773U CN 205230773 U CN205230773 U CN 205230773U CN 201520948060 U CN201520948060 U CN 201520948060U CN 205230773 U CN205230773 U CN 205230773U
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- winding
- diode
- triode
- binding post
- resistance
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- 238000004804 winding Methods 0.000 claims abstract description 40
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000009423 ventilation Methods 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims description 9
- 230000000087 stabilizing effect Effects 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 230000002045 lasting effect Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a power transformer, including iron core, primary winding, secondary winding, wrapping post, binding post, terminal and protection circuit, wherein, be equipped with the wrapping post at the iron core, winding primary winding and secondary winding on the wrapping post, primary winding, secondary winding set up two circles at least, are equipped with ventilation gap between circle and the circle, primary winding and secondary winding all are connected with binding post, and binding post is connected with the outer terminal of main part, the output terminal S1 of terminal connection protection circuit, load terminal S2, the protection circuit includes output terminal S1, load terminal S2, electric capacity C, resistance R1, resistance R2, diode D1, diode D2, zener diode D3, triode Q, temperature detect switch K and current transformer L, the utility model discloses the radiating effect is good, no potential safety hazard, and the high efficiency is moved lastingly, and circuit overall structure is simple, convenient to use, low cost, prevents to burn out equipment, increase of service life.
Description
Technical field
The utility model relates to transformer, specifically a kind of power transformer.
Background technology
Power transformer is one of capital equipment of power plant and electric substation.The effect of transformer is many-sided, boosted voltage electric energy can not only be delivered to electricity consumption area, voltage can also be reduced to use voltage at different levels, to meet the needs of electricity consumption.In a word, boosting and step-down all must have been come by transformer.Transmit in electric power system in the process of electric energy, will inevitably produce voltage and the loss of power two parts, when carrying same power, voltage loss and voltage are inversely proportional to, square being inversely proportional to of power loss and voltage.Utilize transformer to improve voltage, decrease power transmission loss.
Transformer forms by around the two or more coil windings on same iron core, is to be in connection with by alternating magnetic field and by electromagnetic induction principle work between winding.Coil windings of the prior art generally adopts the winding method closely fit together continuously, and cause its caloric value large, radiating effect is bad.The load carried ability of power transformer depends primarily on the temperature of itself, in the course of the work, as long as be no more than the maximum temperature of operation, power transformer just can keep the operating state of Maximum Power Output, and the quality of therefore transformer heat radiation directly affects its operating state.
Utility model content
It is good that the purpose of this utility model is to provide a kind of thermal effect, and without potential safety hazard, high-efficient and lasting runs, circuit integrity structure is simple, easy to use, with low cost, prevent from burning out equipment, the power transformer increased the service life, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of power transformer, comprises iron core, winding, secondary winding, wrapping post, binding post, binding post and a protective circuit; Wherein, wrapping post is provided with at iron core; Described wrapping post is wound around a winding and secondary winding; A described winding, secondary winding at least arrange two circles, and every circle at least comprises two coils, and is provided with ventilation gap between circle and circle, and between ventilation gap, interval is arranged; A described winding and secondary winding are all connected with binding post, and binding post is connected with the binding post outside main body; Binding post connects lead-out terminal S1, the face terminals S2 of protective circuit; Described protective circuit comprises lead-out terminal S1, face terminals S2, electric capacity C, resistance R1, resistance R2, diode D1, diode D2, voltage stabilizing didoe D3, triode Q, temperature detect switch (TDS) K, relay J 2, contactor J1 summation current transformer L; Described current transformer L is set in a phase line of transformer output terminal S1, and transformer output terminal S1 is provided with contacts of contactor J11 with also connecting between face terminals S2; One end of described current transformer L connects one end of the positive pole of diode D1, the positive pole of electric capacity C, one end of relay J 2 and resistance R1 respectively, and the other end of current transformer L connects the emitter of the negative pole of electric capacity C, one end of resistance R2 and triode Q respectively; Wherein, diode D1 negative pole connects the wiring point of electric capacity C and relay J 2, the negative pole of the other end connection voltage stabilizing didoe D3 of resistance R1, the base stage of voltage stabilizing didoe D3 positive pole connecting triode Q, and the base stage of the other end of resistance R2 also connecting triode Q; The collector electrode of described triode Q is connected with the other end of relay J 2, is arranged in parallel diode D2 between triode Q and electric capacity C, and the collector electrode of triode Q connects the positive pole of diode D2; One end of described contactor J1 is connected with a phase line of transformer output terminal S1, and the other end of contactor J1 is connected by relay normally-closed contact J21, temperature detect switch (TDS) K and with another phase line of lead-out terminal S1.
Further: described iron core is made up of sheet metal.
Further: described temperature detect switch (TDS) K mutually connect be provided with multiple.
Compared with prior art, the beneficial effects of the utility model are:
1, the ventilation gap in the utility model improves overall radiating effect, ensure that general safety uses, and without potential safety hazard, can run by high-efficient and lasting, and reduces winding wire diameter, reduce cost.
2, in the utility model, temperature detect switch (TDS) K adopts normally closed type temperature detect switch (TDS), its internal switch when temperature increases to over safety value disconnects, circuit integrity structure is simple, easy to use, with low cost, when equipment generation overcurrent or overheated time can automatic disconnecting consumers, prevent from burning out equipment, increase the service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of power transformer.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of power transformer, comprises iron core 1, winding 2, secondary winding 3, wrapping post 4, binding post 5, binding post 8 and a protective circuit; Wherein, be provided with wrapping post 4 at iron core 1, iron core 1 is made up of sheet metal; Described wrapping post 4 is wound around a winding 2 and secondary winding 3; A described winding 2, secondary winding 3 at least arrange two circles, and every circle at least comprises two coils, and is provided with ventilation gap 6 between circle and circle, and between ventilation gap 6, interval is arranged; A described winding 2 and secondary winding 3 are all connected with binding post 5, and binding post 5 is connected with the binding post 8 outside main body 7; Binding post 8 connects lead-out terminal S1, the face terminals S2 of protective circuit; In work, ventilation gap 6 improves overall radiating effect, ensure that general safety uses, and without potential safety hazard, can run by high-efficient and lasting, and reduces winding wire diameter, reduce cost; Described protective circuit comprises lead-out terminal S1, face terminals S2, electric capacity C, resistance R1, resistance R2, diode D1, diode D2, voltage stabilizing didoe D3, triode Q, temperature detect switch (TDS) K, relay J 2, contactor J1 summation current transformer L; Described current transformer L is set in a phase line of transformer output terminal S1, and transformer output terminal S1 is provided with contacts of contactor J11 with also connecting between face terminals S2; One end of described current transformer L connects one end of the positive pole of diode D1, the positive pole of electric capacity C, one end of relay J 2 and resistance R1 respectively, and the other end of current transformer L connects the emitter of the negative pole of electric capacity C, one end of resistance R2 and triode Q respectively; Wherein, diode D1 negative pole connects the wiring point of electric capacity C and relay J 2, the negative pole of the other end connection voltage stabilizing didoe D3 of resistance R1, the base stage of voltage stabilizing didoe D3 positive pole connecting triode Q, and the base stage of the other end of resistance R2 also connecting triode Q; The collector electrode of described triode Q is connected with the other end of relay J 2, is arranged in parallel diode D2 between triode Q and electric capacity C, and the collector electrode of triode Q connects the positive pole of diode D2; One end of described contactor J1 is connected with a phase line of transformer output terminal S1, and the other end of contactor J1 is connected by relay normally-closed contact J21, temperature detect switch (TDS) K and with another phase line of lead-out terminal S1; Wherein, temperature detect switch (TDS) K mutually connect be provided with multiple; In work, temperature detect switch (TDS) K adopts normally closed type temperature detect switch (TDS), and its internal switch when temperature increases to over safety value disconnects, circuit integrity structure is simple, easy to use, with low cost, when equipment generation overcurrent or overheated time can automatic disconnecting consumers, prevent from burning out equipment, increase the service life.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
Claims (3)
1. a power transformer, comprises iron core (1), winding (2), secondary winding (3), wrapping post (4), binding post (5), binding post (8) and a protective circuit; It is characterized in that, be provided with wrapping post (4) at iron core (1); The upper winding winding (2) of described wrapping post (4) and secondary winding (3); A described winding (2), secondary winding (3) at least arrange two circles, and every circle at least comprises two coils, and is provided with ventilation gap (6) between circle and circle, and between ventilation gap (6), interval is arranged; A described winding (2) and secondary winding (3) are all connected with binding post (5), and binding post (5) is connected with main body (7) binding post outward (8); Binding post (8) connects lead-out terminal S1, the face terminals S2 of protective circuit; Described protective circuit comprises lead-out terminal S1, face terminals S2, electric capacity C, resistance R1, resistance R2, diode D1, diode D2, voltage stabilizing didoe D3, triode Q, temperature detect switch (TDS) K, relay J 2, contactor J1 summation current transformer L; Described current transformer L is set in a phase line of transformer output terminal S1, and transformer output terminal S1 is provided with contacts of contactor J11 with also connecting between face terminals S2; One end of described current transformer L connects one end of the positive pole of diode D1, the positive pole of electric capacity C, one end of relay J 2 and resistance R1 respectively, and the other end of current transformer L connects the emitter of the negative pole of electric capacity C, one end of resistance R2 and triode Q respectively; Wherein, diode D1 negative pole connects the wiring point of electric capacity C and relay J 2, the negative pole of the other end connection voltage stabilizing didoe D3 of resistance R1, the base stage of voltage stabilizing didoe D3 positive pole connecting triode Q, and the base stage of the other end of resistance R2 also connecting triode Q; The collector electrode of described triode Q is connected with the other end of relay J 2, is arranged in parallel diode D2 between triode Q and electric capacity C, and the collector electrode of triode Q connects the positive pole of diode D2; One end of described contactor J1 is connected with a phase line of transformer output terminal S1, and the other end of contactor J1 is connected by relay normally-closed contact J21, temperature detect switch (TDS) K and with another phase line of lead-out terminal S1.
2. power transformer according to claim 1, is characterized in that, described iron core (1) is made up of sheet metal.
3. power transformer according to claim 1, is characterized in that, described temperature detect switch (TDS) K mutually connect be provided with multiple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520948060.6U CN205230773U (en) | 2015-11-24 | 2015-11-24 | Power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520948060.6U CN205230773U (en) | 2015-11-24 | 2015-11-24 | Power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205230773U true CN205230773U (en) | 2016-05-11 |
Family
ID=55905820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520948060.6U Active CN205230773U (en) | 2015-11-24 | 2015-11-24 | Power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205230773U (en) |
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2015
- 2015-11-24 CN CN201520948060.6U patent/CN205230773U/en active Active
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |