CN219676996U - Three-phase double-winding non-excitation voltage regulating transformer - Google Patents
Three-phase double-winding non-excitation voltage regulating transformer Download PDFInfo
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- CN219676996U CN219676996U CN202321752890.2U CN202321752890U CN219676996U CN 219676996 U CN219676996 U CN 219676996U CN 202321752890 U CN202321752890 U CN 202321752890U CN 219676996 U CN219676996 U CN 219676996U
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- air inlet
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- filter screen
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- 238000004804 winding Methods 0.000 title claims abstract description 19
- 230000001105 regulatory effect Effects 0.000 title claims description 15
- 230000005284 excitation Effects 0.000 title claims description 13
- 239000000428 dust Substances 0.000 claims abstract description 51
- 239000004576 sand Substances 0.000 abstract description 30
- 230000017525 heat dissipation Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
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Abstract
The utility model is suitable for the field of transformer equipment, and provides a three-phase double-winding excitation-free voltage-regulating transformer, which comprises a box body, wherein one end of the box body is provided with an opening, one side of the opening is hinged with a door plate, the inside of the box body is fixedly connected with a transformer, one side wall of the box body is provided with a box body air inlet, a box body air inlet filter screen is arranged in the box body air inlet, a filter is arranged in the box body, the air inlet of the filter is abutted against the box body air inlet, one side wall of the box body opposite to the box body air inlet is provided with a box body air outlet, and the outside of the box body air outlet is provided with a box body air outlet filter screen. According to the utility model, the damage of wind sand to the transformer is effectively prevented through the box body and the door plate; the box air inlet filter screen, the box air outlet filter screen and the filter are matched, so that the damage of sand and dust to the transformer is reduced.
Description
Technical Field
The utility model is suitable for the field of transformer equipment and provides a three-phase double-winding non-excitation voltage regulating transformer.
Background
A transformer is a stationary electrical device for transforming ac voltage and current to transmit ac power. The electric energy transmission is realized according to the principle of electromagnetic induction. The three-phase double-winding non-excitation voltage regulating transformer is a transformer capable of realizing three-phase voltage regulation. It has two main characteristics: first, it is a transformer composed of three windings independent of each other and is not connected to an external power source, and is therefore called non-excited. Second, it can freely regulate or stabilize the three-phase output voltage of the transformer without changing the carrier voltage phase, and is therefore called a tap changing transformer. The three-phase double-winding non-excitation voltage regulating transformer is widely applied to industrial production and agricultural production, and is often influenced by wind and sand and the like outdoors and even damaged by impact of sand and stone and the like due to different environments in various areas, so that the transformer is finally damaged.
Disclosure of Invention
The utility model aims to solve the problem affected by wind and sand, and aims to provide a three-phase double-winding non-excitation voltage-regulating transformer, which comprises a box body, wherein one end of the box body is provided with an opening, one side of the opening is hinged with a door plate, the inside of the box body is fixedly connected with a transformer, one side wall of the box body is provided with a box body air inlet, a box body air inlet filter screen is arranged in the box body air inlet, a filter is arranged in the box body, the air inlet of the filter is abutted against the box body air inlet, one side wall of the box body opposite to the box body air inlet is provided with a box body air outlet, and the outside of the box body air outlet is provided with a box body air outlet filter screen.
Further, a box vibrator is fixedly connected in the box air inlet and is abutted against one end of the box air inlet filter screen.
Further, an air inlet fan is fixedly connected to the outside of the air outlet of the filter.
Further, an exhaust fan is arranged on the side wall, close to the air outlet of the box body, of the box body.
Further, a dust removing bag is arranged in the filter, the dust removing bag is fixedly connected with a support, and two ends of the support are fixedly connected to the middle of the filter.
Further, one end of the bracket is fixedly connected with a filter vibrator.
Further, a filter screen is arranged above the bracket and is arranged on the inner wall of the filter.
Further, the bottom of the filter is provided with an ash discharge hopper, and the bottom of the ash discharge hopper is provided with an ash discharge valve.
According to the utility model, the damage of wind sand to the transformer is effectively prevented through the box body and the door plate; the box body air inlet filter screen and the box body air outlet filter screen can primarily block wind sand; the box vibrator vibrates to enable sand and dust of the box air inlet filter screen to shake and separate from the box air inlet filter screen, so that the box air inlet filter screen is convenient to use; the dust bag can further block wind and sand; the filter vibrator ensures that sand and dust are not easy to adhere to the dust removing bag and the dust removing bag is not easy to be blocked; the filter screen can further filter sand and dust; the dust hopper collects sand and dust in the filter and discharges the sand and dust through the dust discharging valve; the air inlet fan and the air outlet fan can accelerate the flow rate of the box body and the external air and accelerate the heat dissipation of the transformer; the box body air outlet filter screen reduces that dust enters into the box body from the box body air outlet.
Drawings
FIG. 1 is a front view of a three-phase double-winding non-excited step-down transformer;
FIG. 2 is an isometric view of a filter of a three-phase double-wound non-excited step-down transformer;
FIG. 3 is a diagram showing the internal structure of a filter of a three-phase double-winding non-excited step-down transformer;
in the figure: 1-transformer, 2-box, 21-box air inlet, 22-box air outlet, 3-door panel, 4-box air inlet filter screen, 5-box vibrator, 6-filter, 61-cover plate, 62-filter air outlet, 63-filter screen, 64-bracket, 65-dust bag, 66-filter air inlet, 7-mounting frame, 8-air inlet fan, 9-exhaust fan, 10-box air outlet filter screen, 11-ash hopper, 12-ash discharge valve, 13-filter vibrator.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 3, the utility model aims to provide a three-phase double-winding non-excitation voltage regulating transformer, which comprises a transformer 1, a box body 2 and a door plate 3, wherein one end of the box body 2 is provided with an opening, and one side of the opening is hinged with the door plate 3. The bottom of the transformer 1 is arranged at the bottom of the inside of the box body 2 through bolts. A box air inlet 21 is formed in one side wall of the box 2, and a box air inlet filter screen 4 is installed on the box air inlet 21 through a first filter screen frame; the filter 6 is mounted inside the tank 2 on the side close to the tank air inlet 21 by means of the mounting bracket 7. The filter 6 is of a hollow structure, the upper part of the filter 6 is connected with the cover plate 61 through bolts, the filter 6 comprises a filter air inlet 66 and a filter air outlet 62, the filter air inlet 66 is positioned on the side wall of the lower part of the filter 6, and the side wall of the upper part of the filter 6 opposite to the filter air inlet 66 is provided with the filter air outlet 62. The filter air inlet 66 abuts against the box air inlet 21, and the air inlet fan 8 is screwed to the filter air outlet 62. The box 2 is provided with box gas outlet 22 with box air inlet 21 opposite lateral wall, and box gas outlet 22 outside is provided with box filter screen 10 of giving vent to anger, and box filter screen 10 of giving vent to anger is installed in the outer wall of box 2 through the second filter screen frame.
Preferably, the box vibrator 5 is connected in the box air inlet 21 through a bolt, and the box vibrator 5 rotates the eccentric block through an internal small electric motor, so that the box vibrator 5 vibrates; one end of the box vibrator 5 is abutted against one end of the box air inlet filter screen 4, the box vibrator 5 is electrically connected with a first controller, control of vibration frequency, vibration amplitude and the like of the box vibrator 5 is achieved, and vibration of the box air inlet filter screen 4 is regulated.
Preferably, an exhaust fan 9 is arranged on the side wall, close to the air outlet 22 of the box body, inside the box body 2, and the exhaust fan 9 is fixed on the inner wall of the box body 2 through bolts.
Preferably, a plurality of dust removing bags 65 are arranged in the filter 6, the dust removing bags 65 are made of PVC materials, the dust removing bags 65 are arranged below the support 64 through dust removing bag frameworks, the installation mode of the dust removing bags 65 can refer to the cloth bag installation mode in the cloth bag dust remover, and two ends of the support 64 are welded on the side wall of the middle of the filter 6.
Preferably, one end of the bracket 64 is connected to the filter vibrator 13 through a bolt, and the filter vibrator 13 rotates the eccentric mass using a small electric motor inside the filter vibrator 13, thereby vibrating the filter vibrator 13; the second controller is electrically connected to the filter vibrator 13, and controls the vibration frequency, the vibration amplitude, and the like of the filter vibrator 13, thereby adjusting the vibration of the bracket 64.
Preferably, a filter screen 63 is provided above the bracket 64, and the filter screen 63 is mounted on the inner wall of the filter 6 through a third screen frame.
Preferably, the bottom of the filter 6 is provided with a conical ash discharge hopper 11, the ash discharge hopper 11 and the filter 6 are integrally formed, the bottom of the ash discharge hopper 11 is provided with a through hole, and an ash discharge valve 12 is arranged in the through hole.
In summary, in practical use, the transformer 1 is mounted in the box 2 through the bolts, when the wind and sand flow comes, the box 2 can effectively prevent the damage of the wind and sand to the transformer 1, and the two side walls of the box 2 are respectively provided with the box air inlet 21 and the box air outlet 22, so that the heat dissipation of the transformer 1 is not affected; the box air inlet 21 and the box air outlet 22 are respectively provided with the box air inlet filter screen 4 and the box air outlet filter screen 10, so that sand can be primarily blocked; the box air inlet filter screen 4 is abutted with the box vibrator 5, and when the sand wind is large, the box vibrator 5 can vibrate to shake sand and dust of the box air inlet filter screen 4 and separate from the box air inlet filter screen 4; the box air inlet 21 is abutted with the filter air inlet 66, and the dust removal bag 65 can further remove dust; the filter vibrator 13 is installed through the support 64 above the dust removal bag 65, and in the dust removal process, dust-containing gas enters the filter 6 from the filter air inlet 66, coarse particles directly fall into the ash hopper 11, the dust-containing gas is filtered through the dust removal bag 65, dust stays on the surface of the dust removal bag 65, clean gas enters the filter air outlet 62 through the bag opening of the dust removal bag 65, and is discharged into the box body 2 by the air inlet fan 8. The dust removing bag 65 vibrates along with the vibration of the filter vibrator 13, so that sand and dust are not easy to adhere to the dust removing bag 65 and the dust removing bag 65 is not easy to be blocked; a filter screen 63 is arranged above the bracket 64, and the air can further filter sand and dust after passing through the filter screen 63; the ash hopper 11 can collect sand and dust falling from the filter screen 63 and the dust bag 65 and discharge the sand and dust through the ash discharge valve 12; the filter air outlet 62 is provided with an air inlet fan 8, and the air inlet fan 8 can improve the flow rate of air entering the box 2 from the box air inlet 21; the exhaust fan 9 arranged at the box air outlet 22 can blow the heat generated by the transformer 1 to the outside through the box air outlet filter screen 10 to help the transformer 1 dissipate heat; the box air outlet filter screen 10 reduces dust from entering the interior of the box 2 from the box air outlet 22.
Therefore, the device can effectively prevent the damage of wind sand to the transformer 1 through the box body 2 and the door plate 3; the box air inlet filter screen 4 and the box air outlet filter screen 10 can primarily block wind sand; the box vibrator 5 vibrates to shake sand and dust of the box air inlet filter screen 4 and separate from the box air inlet filter screen 4, so that the use is convenient; the dust bag 65 can further block wind and sand; the filter vibrator 13 makes sand and dust not easily attached to the dust bag 65, and the dust bag 65 is not easily blocked; the filter screen 63 may further filter sand; the ash discharge hopper 11 collects sand and dust in the filter 6 and discharges the sand and dust through the ash discharge valve 12; the air inlet fan 8 and the air outlet fan 9 can accelerate the flow rate of the box body 2 and the external air and accelerate the heat dissipation of the transformer 1; the box air outlet filter screen 10 reduces dust from entering the interior of the box 2 from the box air outlet 22.
Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model, as will be apparent to those skilled in the art, without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (8)
1. The three-phase double-winding non-excitation voltage regulating transformer is characterized in that: including box (2), the one end of box (2) is equipped with the opening, open-ended one side articulates there is door plant (3), the inside fixedly connected with transformer (1) of box (2), a side wall of box (2) is provided with box air inlet (21), install box air inlet filter screen (4) in box air inlet (21), install filter (6) in box (2), the air inlet and the box air inlet (21) looks butt of filter (6), a side wall that box (2) are relative with box air inlet (21) is provided with box gas outlet (22), box gas outlet (22) outside is provided with box air outlet filter screen (10).
2. The three-phase double-winding non-excitation voltage regulating transformer according to claim 1, wherein a box vibrator (5) is fixedly connected in the box air inlet (21), and the box vibrator (5) is abutted against one end of a box air inlet filter screen (4).
3. The three-phase double-winding non-excitation voltage regulating transformer according to claim 1, wherein an air inlet fan (8) is fixedly connected to the outside of the air outlet of the filter (6).
4. The three-phase double-winding non-excitation voltage regulating transformer according to claim 1, wherein an exhaust fan (9) is installed on the side wall, close to the air outlet (22) of the box, inside the box (2).
5. The three-phase double-winding non-excitation voltage regulating transformer according to claim 1, wherein a dust removing bag (65) is arranged inside the filter (6), the dust removing bag (65) is fixedly connected with a bracket (64), and two ends of the bracket (64) are fixedly connected to the middle part of the filter (6).
6. The three-phase double-winding non-excited voltage regulating transformer according to claim 5, wherein one end of the bracket (64) is fixedly connected with a filter vibrator (13).
7. The three-phase double-winding non-excited voltage regulating transformer according to claim 5, wherein a filter screen (63) is arranged above the bracket (64), and the filter screen (63) is mounted on the inner wall of the filter (6).
8. The three-phase double-winding non-excitation voltage regulating transformer according to claim 1, wherein an ash discharge hopper (11) is arranged at the bottom of the filter (6), and an ash discharge valve (12) is arranged at the bottom of the ash discharge hopper (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321752890.2U CN219676996U (en) | 2023-07-06 | 2023-07-06 | Three-phase double-winding non-excitation voltage regulating transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321752890.2U CN219676996U (en) | 2023-07-06 | 2023-07-06 | Three-phase double-winding non-excitation voltage regulating transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219676996U true CN219676996U (en) | 2023-09-12 |
Family
ID=87926577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321752890.2U Active CN219676996U (en) | 2023-07-06 | 2023-07-06 | Three-phase double-winding non-excitation voltage regulating transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219676996U (en) |
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2023
- 2023-07-06 CN CN202321752890.2U patent/CN219676996U/en active Active
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