CN213846010U - Box transformer current conversion ventilation unit - Google Patents
Box transformer current conversion ventilation unit Download PDFInfo
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- CN213846010U CN213846010U CN202022345736.6U CN202022345736U CN213846010U CN 213846010 U CN213846010 U CN 213846010U CN 202022345736 U CN202022345736 U CN 202022345736U CN 213846010 U CN213846010 U CN 213846010U
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- box
- fixing device
- cylinder
- bevel gear
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- 238000009423 ventilation Methods 0.000 title claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 title description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 230000017525 heat dissipation Effects 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims 2
- 238000009434 installation Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a box transformer commutation ventilation unit, circular recess is seted up to box transformer's box upper end middle part, be provided with blade fixing device in the circular recess, set up rotatable fixed axle in the blade fixing device, blade fixing device one side is provided with gear motor, the second bevel gear of installation on the gear motor output shaft and the first bevel gear meshing that the fixed axle upper end set up, under gear motor's drive, gear motor output shaft output power makes second bevel gear rotate, it is first, second bevel gear intermeshing makes the fixed axle rotate, and then make fixed axle lower extreme rotating vane produce decurrent air current, the air current flows in the louvre of seting up from box transformer lateral wall downwards, accomplish the commutation ventilation to the initiative of box transformer.
Description
Technical Field
The utility model relates to a box transformer technical field specifically discloses a box transformer commutation ventilation unit.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The box-type transformer is a power distribution integration including a plurality of functional rooms such as a high-voltage room, a transformer room and a low-voltage room, is equivalent to a small transformer substation, belongs to a power distribution station, and is used for directly providing power for users.
At present, when the box-type transformer is designed, the transverse strip-shaped heat dissipation holes are required to be installed on the box shell of the box-type transformer, the box-type transformer needs to be subjected to current conversion ventilation inside the box-type transformer by depending on environment temperature difference and natural air flow, the heat dissipation mode belongs to a passive heat dissipation mode, and the heat dissipation initiative is lacked, so that the box-type transformer capable of actively dissipating heat can be provided, and the box-type transformer can be subjected to active current conversion ventilation.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the present disclosure provides a box-type transformer converter ventilation device.
The first purpose of this disclosure is to drive rotating vane through gear motor, realizes the initiative change of current ventilation of the inside air current of box, for reaching this purpose, this disclosure adopts following technical scheme:
a circular groove is formed in the middle of the upper end of a box body of the box type transformer, a blade fixing device is arranged in the circular groove, a rotatable fixing shaft is arranged in the blade fixing device, a speed reducing motor is arranged on one side of the blade fixing device, a second bevel gear mounted on an output shaft of the speed reducing motor is meshed with a first bevel gear arranged at the upper end of the fixing shaft, the output shaft of the speed reducing motor outputs power to enable the second bevel gear to rotate under the driving of the speed reducing motor, the first bevel gear and the second bevel gear are meshed with each other to further enable the fixing shaft to rotate, rotating blades at the lower end of the fixing shaft generate downward airflow, the airflow flows out of heat dissipation holes formed in the side wall of the box type transformer downwards, and active current conversion ventilation of the box type transformer is completed.
This disclosed second aim at prevents that box internally mounted's rotating vane from colliding with maintenance personal, arousing the maintenance accident to keep apart equipment such as rotating vane and transformer, for reaching this purpose, this disclosure adopts following technical scheme:
the box-type transformer is characterized in that a baffle is further mounted inside the box-type transformer, the baffle is fixedly mounted at the lower end of the rotating blade, the baffle is connected with the side wall of the box body all around, a ventilation hood is arranged at the position, corresponding to the rotating blade, of the baffle, a plurality of steel rings which are arranged in concentric circles are arranged on the ventilation hood, vertical steel bars are fixed on the circular steel rings, and the vertical steel bars are fixed on the baffle.
Compared with the prior art, the beneficial effect of this disclosure is:
1. the fixed shaft is arranged at the upper end of the box body, the fixed shaft converts the high-speed rotation of the speed reducing motor into the low-speed rotation of the rotating blades, so that the rotating blades can stably rotate in the box body transformer, air flow flows out downwards from the heat dissipation holes formed in the lower end of the side wall of the box body transformer under the driving of the rotating blades, and active current conversion ventilation of the box body transformer is completed.
2. The side wall heat dissipation holes of the box body are distributed at the upper end and the lower end of the rotating blade, when the rotating blade rotates, the heat dissipation holes at the upper end are used for air intake, and the heat dissipation holes at the lower end are used for air exhaust, so that the current conversion ventilation is smoothly completed.
3. This openly at rotating vane lower extreme installation baffle, installation draft hood on the baffle, the baffle is used for equipment such as separation rotating vane and transformer, touching rotating vane when avoiding the maintenance personal maintenance to the draft hood makes the air current can pass through the baffle smoothly.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this disclosure, are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification.
Fig. 1 is a schematic structural diagram of a box-type transformer according to the present disclosure;
FIG. 2 is an enlarged schematic view of region A in FIG. 1;
fig. 3 is a graph illustrating a movement trend of an airflow when the box-type transformer of the present disclosure dissipates heat.
Fig. 4 is a schematic view of a baffle structure of the present disclosure.
The reference numerals in the figures refer to the following meanings:
1. the transformer comprises a box type transformer, 11, a box body, 12, heat dissipation holes, 13, circular grooves, 14 and first through holes;
2. the blade fixing device comprises a blade fixing device 21, a first cylinder 22, a second cylinder 23, a first bearing mounting hole 24, a second bearing mounting hole 25 and a second through hole;
3. a fixed shaft 31, a first bearing 32, a second bearing 33, a first bevel gear 34, a rotating blade;
4. a speed reducing motor 41, a speed reducing motor output shaft 42 and a second bevel gear;
5. baffle, 51, ventilation hood, 52, circular steel ring, 53, vertical reinforcing bar.
The specific implementation mode is as follows:
the present disclosure is further described with reference to the following drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure.
In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by persons skilled in the relevant art or technicians, and are not to be construed as limitations of the present disclosure.
Example 1
As shown in fig. 1-3, the present disclosure provides a box transformer commutation ventilation device, which is improved by using an existing box transformer 1 as a main body, where the box transformer 1 in the prior art includes a box body 11 and a box door, the box body 11 is cube-shaped, part of the upper end of the box transformer 1 is a slanted roof, and part of the upper end of the box transformer 1 is a flat roof, and since a reduction motor 4 needs to be installed for active commutation ventilation, the present disclosure uses a flat roof structure for the upper end of the box transformer 1, increases the height of the box transformer and the thickness of the upper box body, facilitates installation of a rotating blade 34 and a blade fixing device 2, provides a circular groove 13 in the middle of the upper end of the box transformer 1, the circular groove 13 does not penetrate through the upper box body 11 of the box transformer 1, and provides a first through hole 14 in the middle of the circular groove 13, which penetrates through the upper box body 11, the gear motor 4 is fixedly arranged in the circular groove 13.
Install blade fixing device 2 in circular recess 13, blade fixing device 2 is a two straight cylinder structures, blade fixing device 2 is last, the lower extreme is first cylinder 21 respectively, second cylinder 22, wherein, the diameter size of the bottom surface circle of first cylinder 21 is greater than the diameter size of the bottom surface circle of second cylinder 22, the height that highly is less than second cylinder 22 of first cylinder 21, second cylinder 22 passes first through-hole 14, make blade fixing device 2 fix in circular recess 13, first cylinder 21 can set up bolt and box 11 fixed connection all around.
The middle part of the upper end of the blade fixing device 2 is provided with a first bearing mounting hole 23, the middle part of the lower end of the blade fixing device 2 is provided with a second bearing mounting hole 24, a second through hole 25 is formed between the first bearing mounting hole 23 and the second bearing mounting hole 24, a fixing shaft 3 is mounted in the second through hole 25, the first bearing 31 is mounted at the upper end of the fixing shaft 3, the second bearing 32 is mounted at the lower end of the fixing shaft 3, the first bearing 31 and the second bearing 32 are respectively and fixedly mounted in the first bearing mounting hole 23 and the second bearing mounting hole 24, and the fixing shaft 3 is fixedly connected with the blade fixing device 2.
The first bearing 31 and the second bearing 32 are both tapered roller bearings, and the stability of the fixing shaft 3 along the axial direction is ensured.
The upper end of the fixed shaft 3 is provided with a first bevel gear 33, the output shaft 41 of the reducing motor is fixedly provided with a second bevel gear 42, the first bevel gear 33 and the second bevel gear 42 are meshed and connected, and the reference circle diameter of the first bevel gear 33 is larger than that of the second bevel gear 42, so that the high-speed rotation of the output shaft 41 of the reducing motor is converted into the low-speed movement of the fixed shaft 3, and the instability of the rotating blades 34 caused by the high-speed rotation is avoided.
The rotating blades 34 are mounted at the lower end of the fixed shaft 3, after the speed reducing motor 4 is started, the output shaft 41 of the speed reducing motor outputs power to enable the second bevel gear 42 to rotate, the first bevel gear 33 and the second bevel gear 42 are meshed with each other to enable the fixed shaft 3 to rotate, and further the rotating blades 34 at the lower end of the fixed shaft 3 generate downward airflow.
The radiating holes 12 in the side wall of the box body 11 are distributed at the upper end and the lower end of the rotating blade 34, when the rotating blade 34 rotates, the radiating holes 12 at the upper end are used for air inlet, the radiating holes 12 at the lower end are used for air outlet, the airflow is driven by the rotating blade 34 to flow downwards from the radiating holes 12 formed in the lower end of the side wall of the box-type transformer 1, active current conversion ventilation on the box-type transformer 1 is completed, the airflow is represented by black arrows, the arrows only represent the movement trend of the airflow, and do not represent the accurate movement position and path of the airflow.
An umbrella-shaped rain shield (not shown) is installed at the upper end of the box-type transformer 1 to prevent rainwater from entering the circular groove 13.
Example 2
As shown in FIG. 4, the present disclosure discloses a baffle 5 installed inside a box-type transformer, wherein the baffle 5 is used for isolating the rotating blades from the transformer inside the box-type transformer and ensuring the wind of the rotating blades to smoothly pass through the baffle, and therefore, the baffle 5 is fixedly installed at the lower end of the rotating blades, the periphery of the baffle 5 is connected with the side wall of the box body, and a ventilating hood 51 is installed at the position of the baffle 5 corresponding to the rotating blades, wherein a large through hole is provided on the baffle 5, a plurality of concentric circular steel rings 52 are provided on the ventilating hood 51, vertical steel bars 53 are fixed on the circular steel rings 52, the vertical steel bars 53 are fixed on the baffle 5, and black dots in FIG. 4 represent the fixing points of the vertical steel bars 53 with the baffle 5 and the circular steel rings 52, this fixed point can be the welding point, accomplishes the separation of the big through-hole of draft hood 51 on baffle 5, avoids maintainer to touch rotating vane promptly, also is that the air current can reach the mesh that the commutation ventilates through the baffle smoothly.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Although the present disclosure has been described with reference to specific embodiments, it should be understood that the scope of the present disclosure is not limited thereto, and those skilled in the art will appreciate that various modifications and changes can be made without departing from the spirit and scope of the present disclosure.
Claims (9)
1. The utility model provides a box transformer commutation ventilation unit, includes the box, and the louvre has been seted up to the box lateral wall, and the box upper end is the flat top, characterized by: a circular groove is formed in the middle of the upper end of the box body, a first through hole penetrating through the box body is formed in the middle of the circular groove, a blade fixing device is arranged in the circular groove, a speed reducing motor is arranged on one side of the blade fixing device, and a second bevel gear is arranged on an output shaft of the speed reducing motor;
the upper end of the blade fixing device is a first cylinder, the lower end of the blade fixing device is a second cylinder, the second cylinder is fixedly arranged in the first through hole, and the blade fixing device is provided with a second through hole penetrating through the first cylinder and the second cylinder along the central axis;
and a fixed shaft rotating in the second through hole is arranged in the second through hole, a first bevel gear meshed with the second bevel gear is arranged at the upper end of the fixed shaft, and a rotating blade is arranged at the lower end of the fixed shaft.
2. The box-type transformer commutation ventilation device of claim 1, wherein a first bearing mounting hole is formed in a middle portion of an upper end of the blade fixing device, a second bearing mounting hole is formed in a middle portion of a lower end of the blade fixing device, the first bearing is mounted at the upper end of the fixing shaft, the second bearing is mounted at the lower end of the fixing shaft, the first bearing is fixedly mounted in the first bearing mounting hole, and the second bearing is fixedly mounted in the second bearing mounting hole.
3. The box-type transformer converter ventilator of claim 2, wherein the first bearing and the second bearing are tapered roller bearings.
4. The box-type transformer converter ventilator of claim 1, wherein the first bevel gear pitch circle diameter is larger than the second bevel gear pitch circle diameter.
5. A box transformer converter ventilator as claimed in claim 1, wherein the diameter of the circle of the bottom surface of said first cylinder is larger than the diameter of the circle of the bottom surface of said second cylinder, and the height of said first cylinder is smaller than the height of said second cylinder.
6. The box-type transformer converter ventilator according to claim 1, wherein said heat dissipation holes are distributed at upper and lower ends of the rotary blade in a vertical height direction of the box body.
7. The box-type transformer converter ventilator according to claim 1, wherein a baffle is arranged at the lower end of the rotating blade, the baffle is fixedly arranged on the side wall of the box body, and a ventilation hood is arranged on the baffle.
8. The box-type transformer converter ventilator of claim 7, wherein said ventilation hood comprises a plurality of circular steel rings, vertical steel bars are fixed on the circular steel rings, and the vertical steel bars are fixed on the baffle.
9. The box-type transformer converter ventilator of claim 8, wherein the centers of the plurality of circular steel rings coincide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022345736.6U CN213846010U (en) | 2020-10-20 | 2020-10-20 | Box transformer current conversion ventilation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022345736.6U CN213846010U (en) | 2020-10-20 | 2020-10-20 | Box transformer current conversion ventilation unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213846010U true CN213846010U (en) | 2021-07-30 |
Family
ID=77009709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022345736.6U Active CN213846010U (en) | 2020-10-20 | 2020-10-20 | Box transformer current conversion ventilation unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213846010U (en) |
-
2020
- 2020-10-20 CN CN202022345736.6U patent/CN213846010U/en active Active
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