CN210743768U - Voltage-adjustable transformer - Google Patents
Voltage-adjustable transformer Download PDFInfo
- Publication number
- CN210743768U CN210743768U CN201922140912.XU CN201922140912U CN210743768U CN 210743768 U CN210743768 U CN 210743768U CN 201922140912 U CN201922140912 U CN 201922140912U CN 210743768 U CN210743768 U CN 210743768U
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- voltage
- secondary coil
- iron core
- secondary winding
- pressure
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Abstract
The utility model discloses a voltage adjustable transformer, including iron core, primary winding, secondary winding, voltage regulation apparatus, fixed brush, input and output, primary winding connects on locating the iron core, secondary winding connects on locating the iron core, voltage regulation apparatus is connected with the secondary winding electricity, the input links to each other with primary winding, the output links to each other with secondary winding and voltage regulation apparatus, fixed brush links to each other with the secondary winding. The utility model belongs to the technical field of the transformer, specifically a preset different secondary winding of multiunit number of turns, carry out the selection of different secondary winding through voltage regulation knob according to different operation requirements, realize the voltage control to the transformer, practical convenient and fast's voltage adjustable transformer.
Description
Technical Field
The utility model belongs to the technical field of the transformer, specifically indicate a voltage adjustable transformer.
Background
A transformer is a device for transforming ac voltage, current and impedance, and when an ac current flows through a primary winding, an ac magnetic flux is generated in an iron core (or a magnetic core), so that a voltage (or a current) is induced in a secondary winding. The transformer consists of an iron core (or a magnetic core) and a coil, wherein the coil is provided with two or more than two windings, the winding connected with a power supply is called a primary coil, and the other windings are called secondary coils. In a generator, an electric potential is induced in a coil, whether the coil is moved through a magnetic field or the magnetic field is moved through a stationary coil, in both cases the value of the flux is constant, but the amount of flux linked to the coil varies, which is the principle of mutual induction. The transformer is a device for transforming voltage, current and impedance by utilizing the electromagnetic mutual inductance effect. Transformers work primarily using the principle of electromagnetic induction. The method comprises the following steps: when an alternating current voltage U1 is applied to the primary side of the transformer, the current flowing through the primary winding is I1, the current can generate alternating magnetic flux in an iron core, the primary winding and the secondary winding are in electromagnetic connection, according to the principle of electromagnetic induction, the alternating magnetic flux can induce electromotive force through the two windings, the magnitude of the electromotive force is in direct proportion to the number of turns of the windings and the maximum value of main magnetic flux, the voltage of one side with more turns of the windings is high, the voltage of one side with less turns of the windings is low, when the secondary side of the transformer is open-circuited, namely the transformer is in no-load, the voltage of one secondary side is in direct proportion to the number of turns of the secondary winding, namely U1/U2 is N1/N2, but the primary frequency and the secondary frequency are kept.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned current difficult problem, the utility model provides a preset the different secondary winding of multiunit number of turns, carry out the selection of different secondary winding through voltage regulation knob according to different operation requirements, realize the voltage control to the transformer, practical convenient and fast's voltage adjustable transformer.
The utility model adopts the following technical scheme: the utility model relates to a voltage adjustable transformer, including iron core, primary winding, secondary winding, voltage regulation apparatus, fixed brush, input and output, primary winding connects on locating the iron core, secondary winding connects on locating the iron core, voltage regulation apparatus is connected with the secondary winding electricity, the input links to each other with primary winding, the output links to each other with secondary winding and voltage regulation apparatus, fixed brush links to each other with the secondary winding.
Furthermore, the iron core is arranged in a rectangular frame shape, the primary coil is wound on one frame of the iron core, and the secondary coil is arranged on the other opposite side frame.
Further, the secondary coil includes high-pressure secondary coil, middling pressure secondary coil and low pressure secondary coil, the top of iron core frame is located to the high-pressure secondary coil, middling pressure secondary coil locates on the iron core frame and locates the high-pressure secondary coil under, the low pressure secondary coil is located on the iron core frame and is located on the middling pressure secondary coil, the number of turns of high-pressure secondary coil is greater than the number of turns of middling pressure secondary coil, the number of turns of middling pressure secondary coil is greater than the number of turns of low pressure secondary coil.
Further, the voltage regulation device comprises a voltage regulation rotating part, a voltage regulation knob and a movable electric brush, the output end is electrically connected with the voltage regulation rotating part, the voltage regulation knob is rotatably arranged on the voltage regulation rotating part, and the fixed electric brush is arranged in the voltage regulation rotating part and is connected with the voltage regulation knob.
Further, fixed brush includes high-pressure fixed brush, the fixed brush of middling pressure and the fixed brush of low pressure, the fixed brush of high pressure is connected with the high-pressure secondary winding electricity, the fixed brush of middling pressure is connected with the secondary winding electricity of middling pressure, the fixed brush of low pressure links to each other with the secondary winding of low pressure.
Furthermore, the iron core is made of silicon steel sheets, the silicon steel is a magnetic substance with strong magnetic conductivity, and in the electrified coil, the silicon steel can generate larger magnetic induction intensity, so that the volume of the transformer can be reduced.
Furthermore, the primary coil and the secondary coil are made of copper materials.
Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: this scheme presets the different secondary winding of multiunit number of turns, carries out the selection of different secondary winding through voltage regulation knob according to different operation requirements, realizes the voltage control to the transformer, practical convenient and fast's voltage adjustable transformer.
Drawings
Fig. 1 is the overall structure schematic diagram of the voltage-adjustable transformer of the present invention.
The device comprises an iron core 1, an iron core 2, a primary coil 3, a secondary coil 4, a voltage adjusting device 5, a fixed electric brush 6, an input end 7, an output end 8, a high-voltage secondary coil 9, a medium-voltage secondary coil 10, a low-voltage secondary coil 11, a voltage adjusting rotating piece 12, a voltage adjusting knob 13, a movable electric brush 14, a high-voltage fixed electric brush 15, a medium-voltage fixed electric brush 16 and a low-voltage fixed electric brush.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the following embodiments, and the technical features or the connection relations of the present invention, which are not described in detail, are the prior art adopted.
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses voltage adjustable transformer, including iron core 1, primary winding 2, secondary winding 3, voltage regulation device 4, fixed brush 5, input 6 and output 7, primary winding 2 solderless wrapped connection is located on iron core 1, secondary winding 3 solderless wrapped connection is located on iron core 1, voltage regulation device 4 is connected with secondary winding 3 electricity, input 6 links to each other with primary winding 2, output 7 links to each other with secondary winding 3 and voltage regulation device 4, fixed brush 5 links to each other with secondary winding 3.
The iron core 1 is arranged in a rectangular frame shape, the primary coil 2 is wound on one side frame of the iron core 1, the secondary coil 3 is arranged on the other opposite side frame,
the secondary winding 3 comprises a high-voltage secondary winding 8, a medium-voltage secondary winding 9 and a low-voltage secondary winding 10, the high-voltage secondary winding 8 is arranged above a frame of the iron core 1, the medium-voltage secondary winding 9 is arranged on the frame of the iron core 1 and is arranged under the high-voltage secondary winding 8, the low-voltage secondary winding 10 is arranged on the frame of the iron core 1 and is arranged on the medium-voltage secondary winding 9, the number of turns of the high-voltage secondary winding 8 is greater than that of the medium-voltage secondary winding 9, and the number of turns of the medium-voltage secondary winding 9 is greater than that of the low-voltage secondary winding 10.
The voltage adjusting device 4 comprises a voltage adjusting rotating piece 11, a voltage adjusting knob 12 and a movable electric brush 13, the output end 7 is electrically connected with the voltage adjusting rotating piece 11, the voltage adjusting knob 12 is rotatably arranged on the voltage adjusting rotating piece 11, and the fixed electric brush 5 is arranged in the voltage adjusting rotating piece 11 and is connected with the voltage adjusting knob 12.
The fixed brush 5 includes a high-voltage fixed brush 14, a medium-voltage fixed brush 15, and a low-voltage fixed brush 16, the high-voltage fixed brush 14 is electrically connected to the high-voltage sub-coil 8, the medium-voltage fixed brush 15 is electrically connected to the medium-voltage sub-coil 9, and the low-voltage fixed brush 16 is connected to the low-voltage sub-coil 10.
The iron core 1 is made of silicon steel sheets, the silicon steel is a magnetic substance with strong magnetic conductivity, and in the electrified coil, the silicon steel can generate larger magnetic induction intensity, so that the volume of the transformer can be reduced.
The primary coil 2 and the secondary coil 3 are made of copper materials.
When specifically using, when the user uses high voltage, pinch voltage control knob 12 and rotate with the hand, make movable brush 13 link to each other with high-pressure fixed brush 14, high-pressure secondary coil 8 is put through and can exports high voltage this moment, when needs medium voltage, pinch voltage control knob 12 and rotate once more, make movable brush 13 link to each other with medium voltage fixed brush 15, medium voltage secondary coil 9 put through output medium voltage this moment, when needs low pressure, pinch voltage control knob 12 and rotate once more, make movable brush 13 link to each other with low voltage fixed brush 16, low voltage secondary coil 10 put through output low voltage this moment, only need rotate voltage control knob 12 when using different voltages can, above just, the utility model discloses holistic work flow, repeat this step when using next time can.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (7)
1. A voltage-adjustable transformer is characterized in that: including iron core, primary winding, secondary winding, voltage regulation device, fixed brush, input and output, the primary winding is around connecing on locating the iron core, the secondary winding is around connecing on locating the iron core, voltage regulation device is connected with the secondary winding electricity, the input links to each other with the primary winding, the output links to each other with secondary winding and voltage regulation device, fixed brush links to each other with the secondary winding.
2. A voltage tunable transformer according to claim 1, wherein: the iron core is arranged in a rectangular frame shape, the primary coil is wound on one frame of the iron core, and the secondary coil is arranged on the other opposite side frame.
3. A voltage tunable transformer according to claim 2, wherein: the secondary coil includes high-pressure secondary coil, middling pressure secondary coil and low pressure secondary coil, the top of iron core frame is located to the high-pressure secondary coil, the middling pressure secondary coil is located on the iron core frame and is located the high-pressure secondary coil under, the low pressure secondary coil is located on the iron core frame and is located on the middling pressure secondary coil, the number of turns of high-pressure secondary coil is greater than the number of turns of middling pressure secondary coil, the number of turns of middling pressure secondary coil is greater than the number of turns of low pressure secondary coil.
4. A voltage tunable transformer according to claim 3, wherein: the voltage adjusting device comprises a voltage adjusting rotating piece, a voltage adjusting knob and a movable electric brush, the output end is electrically connected with the voltage adjusting rotating piece, the voltage adjusting knob is rotatably arranged on the voltage adjusting rotating piece, and the fixed electric brush is arranged in the voltage adjusting rotating piece and is connected with the voltage adjusting knob.
5. A voltage tunable transformer according to claim 4, wherein: the fixed electric brush includes the fixed electric brush of high pressure, the fixed electric brush of middling pressure and the fixed electric brush of low pressure, the fixed electric brush of high pressure is connected with the high-pressure secondary winding electricity, the fixed electric brush of middling pressure is connected with the medium-pressure secondary winding electricity, the fixed electric brush of low pressure links to each other with the low-pressure secondary winding.
6. A voltage tunable transformer according to claim 5, wherein: the iron core is made of silicon steel sheets.
7. A voltage tunable transformer according to claim 6, wherein: the primary coil and the secondary coil are made of copper materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922140912.XU CN210743768U (en) | 2019-12-03 | 2019-12-03 | Voltage-adjustable transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922140912.XU CN210743768U (en) | 2019-12-03 | 2019-12-03 | Voltage-adjustable transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210743768U true CN210743768U (en) | 2020-06-12 |
Family
ID=70988407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922140912.XU Expired - Fee Related CN210743768U (en) | 2019-12-03 | 2019-12-03 | Voltage-adjustable transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210743768U (en) |
-
2019
- 2019-12-03 CN CN201922140912.XU patent/CN210743768U/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: 20200612 Termination date: 20201203 |