CN111341530A - Voltage regulating transformer - Google Patents
Voltage regulating transformer Download PDFInfo
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- CN111341530A CN111341530A CN202010135817.5A CN202010135817A CN111341530A CN 111341530 A CN111341530 A CN 111341530A CN 202010135817 A CN202010135817 A CN 202010135817A CN 111341530 A CN111341530 A CN 111341530A
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- transformer
- voltage
- base
- voltage regulating
- regulating transformer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
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- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a voltage regulating transformer, which comprises: a base; the compensation transformer and the contact voltage regulator are installed on the base and are jointly installed and fixed on the base through the anti-seismic frame; and the shell is independently arranged on the foundation and arranged around the base, the compensating transformer, the contact type voltage regulator and the anti-seismic frame. Compared with the prior art, the base of the voltage regulating transformer is an integral supporting piece formed by welding angle steel and steel plates in a splicing mode, and the compensation transformer, the contact voltage regulator and the base with high anti-seismic performance are connected into a whole through the anti-seismic frame, so that the integral anti-seismic performance of the voltage regulating transformer is improved. In the earthquake process, the voltage regulating transformer can ensure that the chain cannot be derailed or broken, the circuit waveform is continuous and stable, the voltage can be smoothly regulated, and the reliability of the product is ensured.
Description
Technical Field
The invention belongs to the field of voltage regulating transformers, and particularly relates to a voltage regulating transformer with an anti-seismic function.
Background
The voltage regulating transformer is also called as compensation voltage stabilizer, including compensation transformer, contact voltage regulator, automatic compensation system and outer shell, the automatic compensation system includes compensation circuit, control circuit and detection circuit, and its function is that when the input voltage changes or the output voltage changes because of the load change, the detection circuit samples from the output end of voltage stabilizer and gives out control signal, control the servo motor on the contact voltage regulator to rotate, drive the carbon brush to make reciprocating sliding on the surface of the contact voltage regulator through the drive mechanism, adjust the output voltage of the contact voltage regulator to change the compensation voltage, and realize the automatic stability of keeping the output voltage.
In the existing voltage regulating transformer, a compensation transformer is independently installed on a base. The contact voltage regulator is a column type autotransformer, is also independently arranged on the base, is provided with a servo motor at the upper part, and drives the electric brush to slide up and down through chain transmission by the servo motor, thereby realizing voltage compensation.
However, the existing regulating transformer is not provided with an anti-seismic structure, and the carbon brush can repeatedly move back and forth according to the voltage fluctuation and the output precision requirement in the operation process of the regulating transformer so as to keep the stability of the output voltage. If the anti-seismic performance is poor, faults such as chain falling, breakage or gear blocking easily occur in the vibration process, and the safe operation of the voltage regulating transformer is influenced.
In view of the above, it is necessary to provide a voltage regulating transformer with ideal shock resistance.
Disclosure of Invention
The invention aims to: overcomes the defects of the prior art and provides the voltage regulating transformer with ideal shock resistance.
In order to achieve the above object, the present invention provides a voltage regulating transformer, comprising:
a base;
the compensation transformer and the contact voltage regulator are installed on the base and are jointly installed and fixed on the base through the anti-seismic frame; and
and the shell is independently arranged on the foundation and arranged around the base, the compensation transformer, the contact type voltage regulator and the anti-seismic frame.
As an improvement of the voltage regulating transformer, the base is an integral supporting piece formed by welding angle steel and steel plates.
As an improvement of the voltage regulating transformer, the compensation transformer and the contact voltage regulator are both fixedly connected with the base through bolts.
The anti-seismic frame comprises a compensation transformer anti-seismic frame and a contact type voltage regulator anti-seismic frame, wherein the compensation transformer anti-seismic frame comprises a channel steel connecting piece connected with an upper iron core clamping plate and a channel steel inclined pull frame which is connected between the channel steel connecting piece and a base and is obliquely arranged; contact voltage regulator antidetonation frame includes the channel-section steel connecting piece of being connected with last iron core clamp plate, presses in channel-section steel connecting piece top and with channel-section steel connecting piece on the horizontal plane vertically channel-section steel clamp plate to and connect between clamp plate and base and the channel-section steel that the slope set up draws the frame to one side.
The voltage regulating transformer is an improvement of a single-phase voltage regulating transformer or a three-phase voltage regulating transformer, wherein the three-phase voltage regulating transformer consists of three single-phase compensation transformers and three single-phase contact voltage regulators which are arranged on a base, and each single-phase compensation transformer is fixedly arranged on the base by using a set of anti-seismic frame and three single-phase contact voltage regulators share a set of anti-seismic frame.
As an improvement of the voltage regulating transformer, the compensating transformer is an epoxy resin cast dry type transformer, a primary coil of the compensating transformer gets electricity from the output end of the contact type voltage regulator, and a secondary coil is connected in series in an input and output loop.
As an improvement of the voltage regulating transformer, the contact type voltage regulator is a continuously adjustable column type self-coupling voltage regulator and is provided with a servo motor and a transmission mechanism, four groups of electric brushes of each phase are driven by the servo motor through a chain, the polarity and the amplitude of the output voltage of the contact type voltage regulator are smoothly adjusted, the voltage polarity and the amplitude of a primary winding and a secondary winding of the compensation transformer are changed, and the voltage polarity and the amplitude are matched with a detection control circuit to automatically stabilize the output voltage.
As an improvement of the voltage regulating transformer, a control box is arranged on an external panel of the shell, and the control box is integrated with an automatic compensation system device consisting of a compensation circuit, a control circuit and a detection circuit.
As an improvement of the voltage regulating transformer, the control circuit comprises two control boards which are used for standby, and can be switched on line through a change-over switch.
As an improvement of the voltage regulating transformer, the voltage regulating transformer is also provided with an inlet and outlet lead, and the inlet and outlet lead connects a secondary coil arranged in the compensating transformer in series in a power supply line.
Compared with the prior art, the base of the voltage regulating transformer is an integral supporting piece formed by welding angle steel and steel plates in a splicing mode, and the compensation transformer, the contact voltage regulator and the base with high anti-seismic performance are connected into a whole through the anti-seismic frame, so that the integral anti-seismic performance of the voltage regulating transformer is improved. In the earthquake process, the voltage regulating transformer can ensure that the chain cannot be derailed or broken, the circuit waveform is continuous and stable, the voltage can be smoothly regulated, the reliability of the product is ensured, the operation risk of the product is reduced, and the voltage regulating transformer has a good application prospect.
Drawings
The voltage regulating transformer of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments, wherein:
fig. 1 is a front view of a regulating transformer of the present invention.
Fig. 2 is a left side view of the regulating transformer of the present invention.
Fig. 3 is a top view of a regulating transformer of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantageous technical effects of the present invention clearer, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 to 3, the present invention provides a voltage regulating transformer, which includes:
a base 1;
the compensation transformer 2 and the contact type voltage regulator 3 are installed on the base 1 through bolts, and the compensation transformer 2 and the contact type voltage regulator 3 are installed and fixed on the base 1 through the anti-seismic frame 4; and
and the shell 5 is independently arranged on the foundation and arranged around the base 1, the compensating transformer 2, the contact type voltage regulator 3 and the anti-seismic frame 4.
The base 1 is an integral supporting piece formed by welding angle steels of 75x50x6mm, and a steel plate with the thickness of 6mm can be additionally welded between the angle steels to be used as a reinforcing plate for increasing the strength of the supporting piece.
The compensating transformer 2 is a single-phase epoxy resin cast dry type transformer, a primary coil gets electricity from the output end of the contact voltage regulator 3, and the whole coil is cast and molded under high vacuum by epoxy resin with pressure, so that the good electrical insulation performance and mechanical and physical properties of a product are ensured; the secondary coil is connected in series in the input and output circuit, is a foil coil, is wound by adopting high-quality copper foil, has simple processing technology and avoids an axial winding helical angle. The ampere turns of the primary coil and the ampere turns of the secondary coil are balanced, the axial short-circuit force is small during short circuit, the short-circuit impact resistance of a product is enhanced, and the reliability of the product is improved.
The contact voltage regulator 3 is a single-phase column type auto-coupling voltage regulator and is continuously adjustable, a coil is wound by H-grade glass fiber wrapped oxygen-free copper, and an iron core is made of high-quality silicon steel sheets. Four groups of electric brushes of each phase of the contact voltage regulator 3 are driven by the motor through a chain, the automatic compensation system controls the motor to rotate forward and backward, the electric brushes are driven by the chain to slide up and down along the exposed part (slideway) of the cylindrical winding of the column voltage regulator, the polarity and amplitude of the output voltage of the contact voltage regulator 3 are smoothly adjusted, the voltage polarity and amplitude of the primary coil and the secondary coil of the compensation transformer 2 are changed, and the detection control circuit is further matched with the detection control circuit, so that the purpose of automatically stabilizing the output voltage is achieved.
The anti-seismic frame 4 comprises a compensation transformer anti-seismic frame 41 and a contact type voltage regulator anti-seismic frame 42, wherein the compensation transformer anti-seismic frame 41 comprises a channel steel connecting piece 43 connected with the upper iron core clamping plate and a channel steel inclined pull frame 44 which is connected between the channel steel connecting piece 43 and the base 1 and is obliquely arranged; contact voltage regulator antidetonation frame 42 includes the channel-section steel connecting piece 45 of being connected with last iron core clamp plate, presses in channel-section steel connecting piece 45 top and with channel-section steel connecting piece 45 on the horizontal plane vertically channel-section steel clamp plate 46, connect between channel-section steel clamp plate 46 and base 1 and the channel-section steel that the slope set up draws frame 47 to one side, and the bracing frame that inclines in compensation transformer antidetonation frame 41 and contact voltage regulator antidetonation frame 42 has respectively designed four and symmetric distribution each other, consequently can increase the stability of transformer.
The compensation transformer 2 and the contact type voltage regulator 3 are jointly installed and fixed on the base 1 through the anti-seismic frame 4 to form a whole, the anti-seismic frame 4 is of a frustum structure similar to a pyramid, the inherent vibration frequency of a product is improved, the structural stress in the vibration process is reduced, and the anti-seismic performance of the transformer is improved.
The shell 5 is a steel plate floor shell, the design protection level is IP41, the shell is independently installed on a foundation and is formed by assembling a steel plate frame and a panel, and the shell needs to have anti-seismic performance and meet the requirements of the protection level.
The control box 6 is fixedly arranged on the shell panel through bolts, the control box 6 is an iron box, and an automatic compensation system device comprising a compensation circuit, a control circuit and a detection circuit is integrated in the control box, wherein the control circuit comprises two control panels for standby use, online switching can be performed through a change-over switch, and each two control panels have the same function and only have difference in control precision. When one control board fails, the other control board can be switched to on line through the change-over switch.
The voltage regulating transformer is also provided with an inlet and outlet lead 7, the inlet and outlet lead 7 is a copper bus, and a secondary coil of the compensating transformer 2 is connected in series in a power supply line through the inlet and outlet lead 7.
In the illustrated embodiment, the regulating transformer is a single-phase regulating transformer. However, according to another embodiment of the present invention, the voltage regulating transformer may also be a three-phase voltage regulating transformer, wherein the three-phase voltage regulating transformer is composed of three single-phase compensation transformers 2 and three single-phase contact voltage regulators 3 mounted on the base 1, and each single-phase compensation transformer 1 is mounted and fixed on the base 1 by using one set of anti-seismic frame 4 and three single-phase contact voltage regulators 2 sharing one set of anti-seismic frame 4, so as to form a whole, thereby improving the anti-seismic performance of the product.
Referring to fig. 1 to 3, the assembling method of the voltage regulating transformer of the present invention is as follows: firstly, a compensation transformer 2 and a contact type voltage regulator 3 are arranged above a base 1; then, installing a compensation transformer 2 and an anti-seismic frame 4 of the contact type voltage regulator 3; then, installing an in-out lead 7 and a control line according to the requirements of the schematic diagram; finally, the control box 6 is installed on the panel of the shell 5, the shell 5 is sleeved on the regulating transformer, the bottom of the shell 5 falls on the foundation, and finally the control wire is led to the terminal of the control box.
In combination with the above detailed description of the embodiments of the present invention, it can be seen that, compared with the prior art, the base 1 of the voltage regulating transformer of the present invention is an integral supporting member formed by welding angle steel and steel plates, and the compensation transformer 2, the contact voltage regulator 3 and the base 1 with high anti-seismic performance are connected into an integral body through the anti-seismic frame 4, so that the integral anti-seismic performance of the voltage regulating transformer is improved. In the earthquake process, the voltage regulating transformer can ensure that the chain cannot be derailed or broken, the circuit waveform is continuous and stable, the voltage can be smoothly regulated, the reliability of the product is ensured, the operation risk of the product is reduced, and the voltage regulating transformer has a good application prospect.
Appropriate changes and modifications to the embodiments described above will become apparent to those skilled in the art from the disclosure and teachings of the foregoing description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. A step-up transformer, characterized in that it comprises:
a base;
the compensation transformer and the contact voltage regulator are installed on the base and are jointly installed and fixed on the base through the anti-seismic frame; and
and the shell is independently arranged on the foundation and arranged around the base, the compensation transformer, the contact type voltage regulator and the anti-seismic frame.
2. The voltage regulating transformer according to claim 1, wherein the base is an integral support member formed by welding angle steel and steel plates.
3. The voltage regulating transformer according to claim 1, wherein the compensation transformer and the contact voltage regulator are both fastened to the base by bolts.
4. The voltage regulating transformer according to claim 1, wherein the anti-seismic frame comprises a compensation transformer anti-seismic frame and a contact type voltage regulator anti-seismic frame, and the compensation transformer anti-seismic frame comprises a channel steel connecting piece connected with the upper core clamping plate and a channel steel inclined pull frame which is connected between the channel steel connecting piece and the base and is obliquely arranged; contact voltage regulator antidetonation frame includes the channel-section steel connecting piece of being connected with last iron core clamp plate, presses in channel-section steel connecting piece top and with channel-section steel connecting piece on the horizontal plane vertically channel-section steel clamp plate to and connect between clamp plate and base and the channel-section steel that the slope set up draws the frame to one side.
5. The voltage regulating transformer according to claim 1, wherein the voltage regulating transformer is a single-phase voltage regulating transformer or a three-phase voltage regulating transformer, wherein the three-phase voltage regulating transformer is composed of three single-phase compensation transformers and three single-phase contact voltage regulators which are mounted on a base, and each single-phase compensation transformer is mounted and fixed on the base by using a set of anti-vibration frame and three single-phase contact voltage regulators which share a set of anti-vibration frame.
6. The voltage regulating transformer according to claim 1, wherein the compensation transformer is an epoxy resin cast dry type transformer, a primary coil of which takes power from an output end of the contact type voltage regulator, and a secondary coil of which is connected in series in an input-output loop.
7. The voltage regulating transformer according to claim 1, wherein the contact regulator is a continuously adjustable post-type autotransformer, and is provided with a servo motor and a transmission mechanism, four sets of brushes of each phase are driven by the servo motor through a chain, the polarity and amplitude of the output voltage of the contact regulator are smoothly adjusted, the polarity and amplitude of the voltage of the primary winding and the secondary winding of the compensating transformer are changed, and the polarity and amplitude of the voltage are matched with the detection control circuit to automatically stabilize the output voltage.
8. The voltage regulating transformer according to claim 1, wherein a control box is provided on an external panel of the housing, and the control box integrates an automatic compensation system device comprising a compensation circuit, a control circuit and a detection circuit.
9. The voltage regulating transformer according to claim 8, wherein said control circuit comprises a backup two control board, which can be switched on-line by a transfer switch.
10. The voltage regulating transformer according to claim 1, wherein the voltage regulating transformer is further provided with an inlet and outlet lead, and the inlet and outlet lead connects a secondary coil arranged in the compensating transformer in series in a power supply line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010135817.5A CN111341530A (en) | 2020-03-02 | 2020-03-02 | Voltage regulating transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010135817.5A CN111341530A (en) | 2020-03-02 | 2020-03-02 | Voltage regulating transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111341530A true CN111341530A (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010135817.5A Pending CN111341530A (en) | 2020-03-02 | 2020-03-02 | Voltage regulating transformer |
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| Country | Link |
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| CN (1) | CN111341530A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0661065A (en) * | 1992-08-11 | 1994-03-04 | Toshiba Corp | Transformer |
| CN2602473Y (en) * | 2003-02-20 | 2004-02-04 | 朱跃钢 | On-load tap changing transformer |
| JP2009147196A (en) * | 2007-12-17 | 2009-07-02 | Hitachi Industrial Equipment Systems Co Ltd | Earthquake-proof type molded transformer |
| CN103019282A (en) * | 2012-11-27 | 2013-04-03 | 稳利达电源技术有限公司 | Contact-type voltage regulator and compensation-type AC power regulator |
| CN203038750U (en) * | 2012-08-29 | 2013-07-03 | 许继集团有限公司 | Shock-resistant dry-type transformer |
| CN108987147A (en) * | 2018-09-17 | 2018-12-11 | 北京博瑞莱智能科技集团有限公司 | Voltage-regulating switch unit and adjustable transformer |
-
2020
- 2020-03-02 CN CN202010135817.5A patent/CN111341530A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0661065A (en) * | 1992-08-11 | 1994-03-04 | Toshiba Corp | Transformer |
| CN2602473Y (en) * | 2003-02-20 | 2004-02-04 | 朱跃钢 | On-load tap changing transformer |
| JP2009147196A (en) * | 2007-12-17 | 2009-07-02 | Hitachi Industrial Equipment Systems Co Ltd | Earthquake-proof type molded transformer |
| CN203038750U (en) * | 2012-08-29 | 2013-07-03 | 许继集团有限公司 | Shock-resistant dry-type transformer |
| CN103019282A (en) * | 2012-11-27 | 2013-04-03 | 稳利达电源技术有限公司 | Contact-type voltage regulator and compensation-type AC power regulator |
| CN108987147A (en) * | 2018-09-17 | 2018-12-11 | 北京博瑞莱智能科技集团有限公司 | Voltage-regulating switch unit and adjustable transformer |
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Application publication date: 20200626 |
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| RJ01 | Rejection of invention patent application after publication |