CN209980923U - Contact voltage regulator - Google Patents
Contact voltage regulator Download PDFInfo
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- CN209980923U CN209980923U CN201920872496.XU CN201920872496U CN209980923U CN 209980923 U CN209980923 U CN 209980923U CN 201920872496 U CN201920872496 U CN 201920872496U CN 209980923 U CN209980923 U CN 209980923U
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- iron core
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Abstract
The utility model discloses a contact voltage regulator utilizes the hollow structure of iron core through adopting the annular iron core that is cavity form, can external cooling water, drives the heat between brush and the coil through cooling water to cooperation cooling fan's cooling effect, thereby effectively solved the high-power voltage regulator coil's the high temperature problem. Meanwhile, the utility model discloses still be equipped with a plurality of nozzles at the internal surface of casing, the cooperation motor drives the cooling fan motion, leads to the air to flow at a high speed through cooling fan, and the effect circles at the iron core line, makes the iron core line circle the dust of collecting and collecting together under the effect that the air flows at a high speed, derives under the effect of air pump through the nozzle to the realization is to iron core coil upper surface dust's clearance, makes the contact more steady between brush and the iron core coil, and the pressure regulating is more stable.
Description
Technical Field
The present invention relates to industrial voltage regulators, and more particularly, to a contact voltage regulator.
Background
The high-power annular contact voltage regulator is a product developed according to market requirements so as to meet the requirements of a large number of users. The annular contact voltage regulator has small output voltage waveform distortion, and the annular voltage regulator adopts an electric voltage regulating mechanism, so that the annular contact voltage regulator can be operated remotely, and the labor intensity of operation is reduced. The output voltage can be regulated from zero, and the circuit has the advantages of strong instantaneous overload capacity, no-load current, low no-load loss, high efficiency, low noise and long service life. It is suitable for various inductive, capacitive and resistive loads. The traditional contact voltage regulator has small capacity (the single coil is 10kVA at most), and in order to ensure the continuous adjustment of output voltage, the traditional contact voltage regulator adopts an electrochemical graphite brush, the width of the electrochemical graphite brush is necessarily larger than an insulation gap between two adjacent conducting wire ground surfaces and smaller than the width between two conducting wire ground surfaces, so that the brush always has the condition of contacting two turns, the short-circuit turn of the brush can form circulation, the contact heating of the brush and the coil causes higher temperature rise, and the contact surface between the brush and the conducting wire and the brush body can generate heat when large current passes through the brush and the brush body needs heat dissipation and cooling when large load is carried out.
At present, the traditional contact voltage regulator mainly adopts a cooling fan to realize cooling between an electric brush and a coil, but the cooling speed is slow, the actual requirement is difficult to meet, and the voltage regulator is used for a long time, dust is easily accumulated on the coil in the shell of the voltage regulator, and the voltage regulating effect of the voltage regulator is influenced.
Therefore, it is desirable to provide a contact voltage regulator to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a simple structure, the good and stable contact voltage regulator of pressure regulating of cooling effect to solve the not good and not good technical problem of pressure regulating effect of current voltage regulator cooling effect.
According to one aspect of the utility model, a contact voltage regulator is provided, which comprises a shell, an iron core coil and an electric voltage regulating device, wherein the iron core coil and the electric voltage regulating device are arranged in the shell; the inner surface of the shell is uniformly provided with a plurality of nozzles, and the nozzles are externally connected with an air pump through pipelines; the electric voltage regulating device comprises an electric brush frame, a main shaft and a motor, wherein the main shaft is arranged on the electric brush frame, the electric brush frame is arranged at the center of the iron core, the output end of the motor is connected with the main shaft, and an electric brush in contact with the coil is arranged on the electric brush frame; the electric brush frame is also provided with a fan mounting plate, and the fan mounting plate is also provided with a cooling fan.
On the basis of the scheme, the air pump and the cooling water circulating pump are preferably arranged outside the shell respectively.
Preferably on the basis of the scheme, the electric brush frame comprises an upper brush arm plate, a middle brush arm plate, a lower brush arm plate and an electric brush fixing plate, wherein the upper brush arm plate, the middle brush arm plate and the lower brush arm plate are respectively arranged on the main shaft at intervals, the electric brush fixing plate passes through the upper brush arm plate, the middle brush arm plate and the lower brush arm plate and are fixed on the main shaft, and the electric brush is arranged on the electric brush fixing plate.
On the basis of the scheme, the main shaft is preferably provided with a wind direction adjusting plate, and an included angle between the wind direction adjusting plate and the fan mounting plate is an acute angle.
On the basis of the scheme, the surface of the wind direction adjusting plate is preferably provided with a scattering groove.
On the basis of the scheme, the height of the wind direction adjusting plate is preferably equal to that of the iron core coil.
On the basis of the scheme, the nozzles are preferably uniformly distributed on the outer circular surface of the iron core coil.
On the basis of the scheme, the surface of the iron core is preferably provided with a groove for accommodating the coil.
The utility model discloses a contact voltage regulator utilizes the hollow structure of iron core through adopting the annular iron core that is cavity form, can external cooling water, drives the heat between brush and the coil through cooling water to cooperation cooling fan's cooling effect, thereby effectively solved the high-power voltage regulator coil's the high temperature problem.
Meanwhile, the utility model discloses still be equipped with a plurality of nozzles at the internal surface of casing, the cooperation motor drives the cooling fan motion, leads to the air to flow at a high speed through cooling fan, and the effect circles at the iron core line, makes the iron core line circle the dust of collecting and collecting together under the effect that the air flows at a high speed, derives under the effect of air pump through the nozzle to the realization is to iron core coil upper surface dust's clearance, makes the contact more steady between brush and the iron core coil, and the pressure regulating is more stable.
Drawings
Fig. 1 is a front view structural diagram of the contact voltage regulator of the present invention;
fig. 2 is a cross-sectional view of the contact voltage regulator of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Please refer to fig. 1, the present invention provides a contact voltage regulator, which comprises a housing 10, an iron core coil 20 and an electric voltage regulator 30 installed in the housing 10, wherein the housing 10 is used to be disposed outside the iron core coil 20 and the electric voltage regulator 30, to protect the iron core coil 20 and the electric voltage regulator 30, and the electric voltage regulator 30 is used to make the brush 314 and the iron core coil 20 move relatively to realize the voltage regulation.
Wherein, the utility model discloses an iron core coil 20 includes coil 21 and is the annular iron core of cavity form, and coil 21 evenly winds on the iron core surface, and the external cooling water circulating pump of iron core through the cooling water circulating pump with the continuous transport to the iron core of external cooling water source, through the heat exchange between iron core and the coil 21 to the realization is to the cooling between coil 21 and the iron core 22.
As shown in fig. 2, the utility model discloses the internal surface of casing 10 evenly is equipped with a plurality of nozzles 11, and nozzle 11 passes through the external air pump of pipeline, through the effect of air pump, can pass through nozzle 11 outwards with the air in casing 10 and discharge, the utility model discloses a be equipped with the air intake on casing 10, so when the air pump outwards bleeds, can not produce the vacuum situation in the casing 10.
Wherein, the utility model discloses an electronic regulator 30 includes brush carrier 31, main shaft 32 and motor 33, and main shaft 32 is installed on brush carrier 31, and brush carrier 31 sets up the central axis department at iron core 22, and the output of motor 33 links to each other with main shaft 32 to it is rotatory to drive main shaft 32, thereby makes brush carrier 31 produce along with the relative iron core coil 20 of main shaft 32 and rotate. The brush holder 31 of the present invention is provided with a brush 314 contacting with the coil 21; the brush holder 31 is further provided with a fan mounting plate 34, and the fan mounting plate 34 is further provided with a cooling fan.
The utility model discloses a contact voltage regulator utilizes iron core 22's hollow structure through adopting the annular iron core 22 that is the cavity form, can external cooling circulation water, drives the heat between brush 314 and the coil 21 through cooling circulation water to cooperation cooling fan's cooling effect, thereby effectively solved the high-temperature problem of high-power voltage regulator coil.
Meanwhile, the utility model discloses still be equipped with a plurality of nozzles 11 at the internal surface of casing 10, cooperation motor 33 drives the cooling fan motion, leads to the high-speed flow of air through cooling fan, acts on iron core coil 20, makes the dust of collecting on iron core coil 20 under the effect that the air flows at a high speed, derives under the effect of air pump through nozzle 11 to the realization is to the clearance of iron core coil 20 upper surface dust, and it is more steady to make the contact between brush 314 and the iron core coil 20, and the pressure regulating is more stable.
Wherein, the utility model discloses an air pump and cooling water circulating pump are installed respectively outside casing 10, and the utility model discloses an electric brush holder 31 includes brush arm board 310, well brush arm board 311, brush arm board 312 and brush fixed plate 313 down, goes up brush arm board 310, well brush arm board 311 and brush arm board 312 down and installs on main shaft 32 along the axis direction of main shaft 32 spaced apart from each other respectively, and brush fixed plate 313 is fixed on main shaft 32 through last brush arm board 310, well brush arm board 311 and lower brush arm board 312, and brush 314 installs on brush fixed plate 313.
When the motor 33 works, the output shaft of the motor 33 drives the main shaft 32 to rotate, so that the brush holder 31 rotates relative to the iron core coil 20, and the brushes on the brush fixing plate 313 and the iron core coil 20 move relatively to realize the voltage regulation function.
In order to further guarantee the cooling effect of the cooling fan, the utility model discloses still installed the wind direction adjusting plate on main shaft 32, the contained angle between wind direction adjusting plate and the fan mounting panel 34 is the acute angle. When the cooling fan on the fan mounting plate 34 operates, air flows are generated and act on the wind direction adjusting plate, and the air is reflected between the brush 314 and the core coil 20 by the action of the wind direction adjusting plate, so that the cooling effect is improved. Preferably, the utility model discloses a still be equipped with the scattering groove on the wind direction adjusting plate for the air action is on the scattering groove through the effect in scattering groove, utilizes the effect in scattering groove to make the air scattering open, in order to improve cooling fan's cooling effect. Further, the height of the wind direction adjusting plate is equal to the height of the core coil 20.
Referring to fig. 2, the nozzles 11 of the present invention are uniformly distributed on the outer circumferential surface of the core coil 20. In order to improve the heat dissipation effect of the surface of the iron core 22, the surface of the iron core 22 is provided with a groove for accommodating the coil, and the contact area between cooling water and the coil is improved through the groove, so that the cooling effect of the iron core is ensured.
Finally, the method of the present application is only a preferred embodiment and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A contact voltage regulator is characterized by comprising a shell, an iron core coil and an electric voltage regulating device, wherein the iron core coil and the electric voltage regulating device are arranged in the shell; the inner surface of the shell is uniformly provided with a plurality of nozzles, and the nozzles are externally connected with an air pump through pipelines; the electric voltage regulating device comprises an electric brush frame, a main shaft and a motor, wherein the main shaft is arranged on the electric brush frame, the electric brush frame is arranged at the center of the iron core, the output end of the motor is connected with the main shaft, and an electric brush in contact with the coil is arranged on the electric brush frame; the electric brush frame is also provided with a fan mounting plate, and the fan mounting plate is also provided with a cooling fan.
2. The contact pressure regulator of claim 1, wherein said air pump and said cooling water circulating pump are separately mounted outside said housing.
3. The contact voltage regulator of claim 1, wherein said brush holder comprises an upper brush arm plate, a middle brush arm plate, a lower brush arm plate and a brush fixing plate, said upper brush arm plate, said middle brush arm plate and said lower brush arm plate are mounted on said main shaft at intervals, said brush fixing plate is fixed on said main shaft by said upper brush arm plate, said middle brush arm plate and said lower brush arm plate, and said brush is mounted on said brush fixing plate.
4. The contact voltage regulator of claim 1, wherein said spindle further comprises a wind direction adjustment plate, said wind direction adjustment plate forming an acute angle with said fan mounting plate.
5. The contact voltage regulator of claim 4, wherein said wind direction adjustment plate has a diffuser groove formed in a surface thereof.
6. The contact voltage regulator of claim 4, wherein said wind direction adjustment plate has a height equal to a height of said core coil.
7. The contact voltage regulator of claim 1, wherein said nozzles are uniformly distributed on an outer circumferential surface of said core coil.
8. A contact voltage regulator as defined in claim 1, wherein said core surface is provided with a recess for receiving said coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920872496.XU CN209980923U (en) | 2019-06-12 | 2019-06-12 | Contact voltage regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920872496.XU CN209980923U (en) | 2019-06-12 | 2019-06-12 | Contact voltage regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209980923U true CN209980923U (en) | 2020-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920872496.XU Active CN209980923U (en) | 2019-06-12 | 2019-06-12 | Contact voltage regulator |
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| Country | Link |
|---|---|
| CN (1) | CN209980923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112038044A (en) * | 2020-09-01 | 2020-12-04 | 广州优讯环保科技有限公司 | Environment-friendly dry-type power transformer |
-
2019
- 2019-06-12 CN CN201920872496.XU patent/CN209980923U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112038044A (en) * | 2020-09-01 | 2020-12-04 | 广州优讯环保科技有限公司 | Environment-friendly dry-type power transformer |
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