CN212625141U

CN212625141U - Isolated voltage regulator

Info

Publication number: CN212625141U
Application number: CN202021045014.2U
Authority: CN
Inventors: 苏伟斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-02-26
Anticipated expiration: 2030-06-09

Abstract

The utility model discloses an isolated voltage regulator, which comprises a primary coil and a secondary coil, wherein the primary coil and the secondary coil are wound on the same annular iron core, and the primary coil and the secondary coil are not in the same central angle; the primary coil is wound in a multi-layer mode, the secondary coil is wound in a single-layer mode, and the secondary coil is wound in an area outside the primary coil. The utility model discloses an isolated voltage regulator is simple, economic nature is good, reduced the system volume, has reduced system cost, is suitable for extensively. By changing the parameters of the primary and secondary coils, the device can be conveniently changed into a variable parameter variable voltage and variable current device.

Description

Isolated voltage regulator

Technical Field

The utility model relates to a voltage regulator especially relates to the voltage regulator that input and output are electrical isolation.

Background

The voltage regulators currently on the market are self-coupled voltage regulating stages, that is to say the primary and secondary coils of the voltage regulator are in fact the same coil, the secondary coil possibly being part or all of the primary coil. Its advantages are low cost, convenient application and wide application in the field where voltage is needed to be regulated.

As shown in fig. 1 and 2, the self-coupled voltage regulator has a fatal disadvantage that the user side is not electrically isolated from the mains supply, and accidents such as electric shock and the like easily occur during use. Therefore, in practical application, in order to avoid electric shock accidents, the electric system usually adopts a scheme of adding an isolation transformer to a voltage regulator, the voltage of the voltage regulator is regulated, and the voltage of the voltage regulator is isolated by the transformer, so that the manufacturing cost is increased, the system volume is increased, the complexity of the system is increased, and the utilization efficiency of electric energy is reduced.

The isolated voltage regulator properly solves two major requirements of voltage regulation and isolation.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned drawbacks, an object of the present invention is to provide an isolation type voltage regulator that can adjust voltage and isolate, and is economical and easy to use.

In order to achieve the above object, the utility model discloses a following technical scheme realizes: the isolated voltage regulator comprises a primary coil and a secondary coil, wherein the primary coil and the secondary coil are wound on the same annular iron core, and the primary coil and the secondary coil are not in the same central angle; the primary coil is wound in a multi-layer mode, the secondary coil is wound in a single-layer mode, and the secondary coil is wound in an area outside the primary coil.

Further, still include adjust knob, shell, regulating spindle, insulating collar, regulating plate, graphite electrode, base and input/output board, shell and base fixed connection, shell one side is equipped with the input/output board, the shell top is equipped with adjust knob, adjust knob and the regulating spindle fixed connection in the shell, be equipped with the regulating plate on the regulating spindle, the top of regulating plate is equipped with the insulating collar, the below of regulating plate is equipped with the graphite electrode, the iron core sets up the below at the regulating plate.

Furthermore, two leading-out ends A and B of the primary coil are respectively connected with input ends A and B on the input and output board by leads; the graphite electrode rotates on the secondary coil, a fixed leading-out end D and a variable leading-out end C of the secondary coil are respectively connected with output ends D and C on input and output through leads, and input ends of a voltmeter in the input and output board are respectively connected with the C, D end.

Further, the primary coil is wound on the iron core in a multi-layer mode within the range of 55-65 degrees of central angle, and the secondary coil is wound on the iron core in a single-layer mode within the range of 295-305 degrees of central angle.

The utility model has the advantages that: the method is simple and economical, reduces the system volume and the system cost, and is widely applicable. By changing the parameters of the primary and secondary coils, the device can be conveniently changed into a variable parameter variable voltage and variable current device.

Drawings

Fig. 1 is a schematic diagram of an autotransformer in the background art.

Fig. 2 is a schematic diagram of a system with an isolation transformer in the background art.

Fig. 3 is a schematic diagram of the isolated voltage regulator of the present invention.

Fig. 4 is a three-dimensional explosion diagram of the isolated voltage regulator of the present invention.

Wherein: 1. adjusting knobs, 2, a shell, 3, adjusting shafts, 4, insulating rings, 5, adjusting plates, 6, graphite electrodes, 7, leading-out terminals A and 8, leading-out terminals B and 9, primary coils, 10, leading-out terminals C and 11, iron cores, 12, a base, 13 and an input/output board.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 3 and 4, the isolated voltage regulator includes a primary coil 9 and a secondary coil, the primary coil 9 and the secondary coil are wound on the same annular iron core 11, and the primary coil 9 and the secondary coil are not in the same central angle; the primary coil 9 is wound in multiple layers, the secondary coil is wound in a single layer, and the secondary coil is wound in an area outside the primary coil 9. The utility model discloses an isolated voltage regulator's commercial power input end (primary 9) and user end (secondary) are electrical isolation. By changing the primary/secondary parameters, the transformation or conversion of different parameters is conveniently realized.

Still include adjust knob 1, shell 2, regulating spindle 3, insulating ring 4, regulating plate 5, graphite electrode 6, base 12 and input/output board 13, shell 2 and base 12 fixed connection, 2 one sides of shell are equipped with input/

output board

13, 2 tops of shell are equipped with adjust knob 1, adjust

knob

1 and 3 fixed connection of regulating spindle in the shell 2, be equipped with regulating plate 5 on the regulating spindle 3, the top of regulating plate 5 is equipped with insulating ring 4, the below of regulating plate 5 is equipped with graphite electrode 6, iron core 11 sets up the below at regulating plate 5. The adjusting shaft 3, the insulating ring 4, the adjusting plate 5 and the graphite electrode 6 form an adjusting piece, wherein the graphite electrode 6 rotates on the secondary coil.

Two leading-out terminals A7 and B8 of the primary coil 9 are respectively connected with input terminals A and B on the input and output board 13 by leads; the graphite electrode 6 rotates on the secondary coil, a fixed leading-out end D and a variable leading-out end C10 of the secondary coil are respectively connected with output ends D and C on input and output through leads, the input end of a voltmeter in the input and output board 13 is respectively connected with the end C, D to indicate output voltage, and the shell 2 is used for protecting the isolated voltage regulator and protecting the use safety.

The primary coil 9 is wound on the iron core 11 in a multi-layer mode within the range of 55-65 degrees of central angle, and the secondary coil is wound on the iron core 11 in a single-layer mode within the range of 295-305 degrees of central angle.

The utility model discloses isolated voltage regulator is simple, economic nature is good, reduced the system volume, has reduced system cost, is suitable for extensively. By changing the parameters of the primary and secondary coils, the device can be conveniently changed into a variable parameter variable voltage and variable current device.

Claims

1. Isolated voltage regulator, including primary coil and secondary coil, its characterized in that: the primary coil and the secondary coil are wound on the same annular iron core, and the primary coil and the secondary coil are not in the same central angle; the primary coil is wound in a multi-layer mode, the secondary coil is wound in a single-layer mode, and the secondary coil is wound in an area outside the primary coil.

2. The isolated voltage regulator of claim 1, wherein: still include adjust knob, shell, regulating spindle, insulating ring, regulating plate, graphite electrode, base and input/output board, shell and base fixed connection, shell one side is equipped with input/output board, the shell top is equipped with adjust knob, adjust knob and the regulating spindle fixed connection in the shell, be equipped with the regulating plate on the regulating spindle, the top of regulating plate is equipped with insulating ring, the below of regulating plate is equipped with graphite electrode, the iron core sets up the below at the regulating plate.

3. The isolated voltage regulator of claim 2, wherein: two leading-out ends A and B of the primary coil are respectively connected with input ends A and B on the input and output board by leads; the graphite electrode rotates on the secondary coil, a fixed leading-out end D and a variable leading-out end C of the secondary coil are respectively connected with output ends D and C on input and output through leads, and input ends of a voltmeter in the input and output board are respectively connected with the C, D end.

4. The isolated voltage regulator of claim 1, wherein: the primary coil is wound on the iron core in a multi-layer mode within the range of 55-65 degrees of central angle, and the secondary coil is wound on the iron core in a single-layer mode within the range of 295-305 degrees of central angle.