CN210403440U

CN210403440U - Combined transformer convenient to maintain

Info

Publication number: CN210403440U
Application number: CN201921800102.6U
Authority: CN
Inventors: 李菁
Original assignee: Guangdong Shengte Electric Co Ltd
Current assignee: Guangdong Shengte Electric Co Ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-04-24
Anticipated expiration: 2029-10-24

Abstract

The utility model relates to a transformer equipment technical field especially relates to a combination formula transformer convenient to maintain, including the cover body and composite mounting be in cover internal transformer body, cover the internal external income tuber pipe and the air discharge fan of switch-on that vertically are provided with of internal, go into the tuber pipe internal fixation and be provided with the guide bar, air discharge fan movable mounting be in the upper end position of guide bar can be along guide bar vertical motion, the fixed spacing ring that is provided with of lower extreme of guide bar, the butt has limiting spring between air discharge fan and the spacing ring. The utility model relates to a modular transformer convenient to maintain can fix a point and discover to receive the higher transformer of pollution degree, is convenient for carry out the collective maintenance to a plurality of modular transformers.

Description

Combined transformer convenient to maintain

Technical Field

The utility model relates to a transformer equipment technical field especially relates to a combination formula transformer convenient to maintain.

Background

In the prior art, a cooling fan or an exhaust fan is generally added to a combined transformer in order to facilitate internal heat dissipation, and air flow can flow inside the transformer by extracting external air, so that the purpose of heat dissipation is achieved.

However, various impurities and dust are often mixed in the outside air, and the air flow with the impurities and dust is sucked into the transformer for a long time, so that the surface of the transformer body inside is covered with the impurities such as dust, which affects the normal operation of the transformer, and is easy to cause damage risks such as short circuit, etc., therefore, a maintenance person is required to open the outer cover of the combined transformer to clean and maintain the transformer body inside.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a combined transformer convenient to maintain can fix a point and discover to receive the higher transformer of pollution degree, is convenient for maintain a plurality of combined transformer collectively.

In order to solve the technical problem, the utility model discloses a technical scheme is:

the utility model provides a combination formula transformer convenient to maintain, includes the cover body and composite mounting cover internal transformer body, cover internal vertically is provided with switch-on external income tuber pipe and air discharge fan, goes into the tuber pipe internal fixation and is provided with the guide bar, air discharge fan movable mounting be in the upper end position of guide bar and can be along the guide bar vertical motion, the fixed spacing ring that is provided with of lower extreme of guide bar, the butt has limiting spring between air discharge fan and the spacing ring.

When the air discharge fan starts, the inside hot-air of air discharge fan extraction cover body discharges out the external world and dispels the heat, and the air current flows the external world along the income tuber pipe from the internal, because the air discharge fan activity sets up on the guide bar and can be along the guide bar vertical motion, reaches certain rotational speed when the air discharge fan, the air discharge fan alright in order to overcome spacing spring's holding power removes downwards, and direct touching butt extremely the position of spacing ring. After long-time air extraction and heat dissipation work, dust impurities in the outside air enter the cover body from the inlet at the other end of the cover body and are accumulated on the transformer body, when the dust impurities are accumulated in the cover body, a part of the dust impurities can flow into the air inlet pipe along with the air flow and are accumulated at the joint of the rotating shaft of the exhaust fan and the fan blades, when the dust impurities are accumulated too much at the joint, the rotating speed of the exhaust fan is blocked and reduced, the downward movement cannot be continuously overcome the supporting force of the limiting spring, and the situation that too much dust impurities are accumulated on the transformer body in the cover body can be judged, so that a maintainer is reminded of opening the cover body of the combined transformer to clean.

Further, still be provided with the warning light on the cover body, the warning light is provided with the inching switch, the inching switch sets up the upside of spacing ring and corresponding the air discharge fan. Consequently when dust impurity gathers less, the air discharge fan can overcome spring force downwardly moving and butt touching and open the inching switch lets the warning light bright often or go out often, and it is more to gather when dust impurity, and the air discharge fan can't continue the downward movement touching and open during the inching switch, the bright of warning light goes out will change, lets maintainer discover the inside clean condition of combination formula transformer more directly perceivedly.

Preferably, the exhaust fan includes flabellum and the pivot of mutual rotation connection, the junction of flabellum and pivot is equipped with the concave position that corresponds the income tuber pipe wind gap, concave position integrated into one piece is in on the flabellum. Therefore, the dust and impurities in the airflow can be accumulated in the concave position, so that the exhaust fan can better collect the dust and impurities, and the accumulation condition of the dust and impurities in the cover body can be more accurately reflected.

Furthermore, the cover body is provided with a movable door, and the movable door is arranged at a position corresponding to the air inlet pipe. Therefore, when the dust of the exhaust fan is seriously accumulated, the movable door can be opened outside the cover body 1, the air inlet pipe and the internal exhaust fan are taken out to be cleaned independently, and the exhaust fan is convenient to disassemble and assemble.

The utility model has the advantages that:

when the air discharge fan starts, the inside hot-air of air discharge fan extraction cover body discharges out the external world and dispels the heat, and the air current flows the external world along the income tuber pipe from the internal, because the air discharge fan activity sets up on the guide bar and can be along the guide bar vertical motion, reaches certain rotational speed when the air discharge fan, the air discharge fan alright in order to overcome spacing spring's holding power removes downwards, and direct touching butt extremely the position of spacing ring. After long-time air extraction and heat dissipation work, dust impurities in the outside air enter the cover body from the inlet at the other end of the cover body and are accumulated on the transformer body, when the dust impurities are accumulated in the cover body, a part of the dust impurities can flow into the air inlet pipe along with the air flow and are accumulated at the joint of the rotating shaft of the exhaust fan and the fan blades, when the dust impurities are accumulated too much at the joint, the rotating speed of the exhaust fan is blocked and reduced, the downward movement cannot be continuously overcome the supporting force of the limiting spring, and the situation that too much dust impurities are accumulated on the transformer body in the cover body can be judged, so that a maintainer is reminded of opening the cover body of the combined transformer to clean. Therefore the utility model relates to a combined transformer convenient to maintain can fix a point and discover to receive the higher transformer of pollution degree, is convenient for carry out the collective maintenance to a plurality of combined transformer.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the working process of the present invention.

Fig. 3 is a partially enlarged schematic view of the present invention.

Fig. 4 is a partially enlarged schematic view of the present invention.

Fig. 5 is a partially enlarged schematic view of the present invention.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and schematic or simplified schematic drawings only, not for the purpose of limiting the same, and not for the purpose of limiting the same; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "vertical", "horizontal", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, the description is merely for convenience and simplicity of description, and it is not intended to indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, the terms describing the positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

Furthermore, if terms such as "first," "second," etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, it will be apparent to those of ordinary skill in the art that the specific meanings of the above terms may be understood according to particular circumstances.

As shown in fig. 1, a combined transformer convenient for maintenance comprises a cover body 1 and a transformer body 2 assembled in the cover body 1, wherein a cooling fan 100 is installed at the top of the right side of the cover body 1, the cooling fan 100 can pump cooled cold air flow from the outside into the cover body 1 to dissipate heat of the transformer body 2, in the process of pumping air flow into the cover body 1, dust and impurities in the outside air can be pumped into the cover body 1 and cover the surface of the transformer body 2, in order to find the serious accumulation of dust and impurities in time, in the embodiment, an air inlet pipe 3 communicated with the outside and an exhaust fan 5 are longitudinally installed in the top position of the left side of the cover body 1, a guide rod 4 is fixedly installed in the air inlet pipe 3, the exhaust fan 5 is movably installed at the upper end position of the guide rod 4 and can vertically move along the guide rod 4, a limiting ring 6 is fixed at the lower end of the guide rod 4, a limit spring 7 is connected between the exhaust fan 5 and the limit ring 6 in an abutting mode.

As shown in fig. 2, the working principle of the present embodiment is:

when exhaust fan 5 starts, when exhaust fan 5 extracts the inside hot-air of the cover body and discharges out the external world and dispel the heat, the air current flows out the external world along income tuber pipe 3 from the cover body 1, because the activity of exhaust fan 5 sets up on guide bar 4 and can be along guide bar 4 vertical motion, reaches certain high rotational speed when exhaust fan 5, exhaust fan 5 alright remove downwards with the holding power of overcoming limit spring 7, direct touching butt to the position of spacing ring 6. After the cooling fan 100 is used for long-time air extraction and heat dissipation, dust impurities in the outside air are accumulated on the transformer body 2, when the dust impurities are accumulated in the cover body 1, a part of the dust impurities can flow into the air inlet pipe 3 along with the air flow and are accumulated at the joint of the rotating shaft and the fan blades of the exhaust fan 5, when the dust impurities are excessively accumulated at the joint, the rotating speed of the exhaust fan 5 is blocked and reduced, the downward movement cannot be continuously performed by overcoming the supporting force of the limiting spring 7, the situation that the excessive dust impurities are accumulated on the transformer body 2 in the cover body 1 can be judged, and a maintainer is reminded of needing to open the cover body 1 of the combined transformer to clean the transformer, so that the transformer with high pollution degree can be found at a fixed point, and the collective maintenance of a plurality of combined transformers is facilitated.

As a further refinement to this embodiment, as shown in figure 3,

still install warning light 8 on the cover body 1, warning light 8 is equipped with inching switch 81, and inching switch 81 sets up the upside at spacing ring 6 and corresponds exhaust fan 5. Therefore, when the dust impurities are accumulated less, the exhaust fan 5 can overcome the spring force to move downwards and abut against the touch opening inching switch 81, so that the warning lamp 8 is normally on, when the dust impurities are accumulated more, the exhaust fan 5 cannot continuously move downwards and touch the touch opening inching switch 81, the warning lamp 8 is turned off, and the maintainer can find the clean condition in the combined transformer more intuitively.

As a further refinement to this embodiment, as shown in figure 4,

the cover body 1 is provided with a movable door 9, and the movable door 9 is arranged at a position corresponding to the air inlet pipe 3. Therefore, when the dust of the exhaust fan 5 is seriously accumulated, the movable door 9 can be opened outside the cover body 1, the air inlet pipe 3 and the exhaust fan 5 inside the cover body are taken out for independent cleaning, and the exhaust fan is convenient to disassemble and assemble.

As a further refinement to this embodiment, as shown in figure 5,

the exhaust fan 5 comprises a fan blade 51 and a rotating shaft 52 which are mutually and rotatably connected, a concave position 511 corresponding to the air inlet of the air inlet pipe 3 is arranged at the joint of the fan blade 51 and the rotating shaft 52, and the concave position 511 is integrally formed on the fan blade 51. Therefore, the dust and impurities in the air flow can be accumulated in the concave position 511, so that the exhaust fan 5 can better collect the dust and impurities and more accurately reflect the accumulation condition of the dust and impurities in the cover body 1.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. It will be apparent to those skilled in the art that other variations or modifications can be made based on the above description, such as a simple change in the position of the cutting punch, a change in the shape and size of the fixed and movable working portions, and the like. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a combination formula transformer convenient to maintain, includes the cover body (1) and composite mounting transformer body (2) in the cover body (1), its characterized in that, vertically be provided with external income tuber pipe (3) of switch-on and air discharge fan (5) in the cover body (1), income tuber pipe (3) internal fixation is provided with guide bar (4), air discharge fan (5) movable mounting be in the upper end position of guide bar (4) and can be along guide bar (4) vertical motion, the lower extreme of guide bar (4) is fixed and is provided with spacing ring (6), butt limiting spring (7) between air discharge fan (5) and spacing ring (6).

2. The easy-to-maintain combined transformer of claim 1, wherein the cover (1) is further provided with a warning lamp (8), the warning lamp (8) is provided with a jog switch (81), and the jog switch (81) is arranged on the upper side of the limit ring (6) and corresponds to the exhaust fan (5).

3. The easy-to-maintain combined transformer of claim 1, wherein the exhaust fan (5) comprises a fan blade (51) and a rotating shaft (52) which are rotatably connected with each other, a concave portion (511) corresponding to the air inlet of the air inlet pipe (3) is arranged at the joint of the fan blade (51) and the rotating shaft 52, and the concave portion (511) is integrally formed on the fan blade (51).

4. The modular transformer convenient for maintenance according to claim 1, characterized in that the enclosure (1) is provided with a movable door (9), the movable door (9) being arranged at a position corresponding to the air inlet pipe (3).