CN215220448U - Low-voltage transformer for municipal works - Google Patents

Abstract

The utility model relates to the technical field of transformers, and a low voltage transformer for municipal works is disclosed, including the transformer body, the right side fixed mounting at the transformer body back has the safety cover, the inside fixed mounting of safety cover has the motor, fixedly connected with dwang on the output shaft of motor, the outer wall activity of dwang has cup jointed the pappus brush that is located the transformer body inside, the inner wall activity at both ends has cup jointed the round bar about the pappus brush, and the quantity of round bar is two. The utility model discloses a cooperation between transformer body, pappus brush, dust exclusion pipe and the motor utilizes the pappus brush to the scrubbing of transformer louvre hole, has guaranteed the normal radiating effect of louvre, has solved the problem that the transformer stopped up the louvre when using for a long time effectively, has avoided leading to the damage of transformer inside temperature rising back electrical components after the louvre blocks up, has prolonged transformer and inside electrical components's life.

Description

Low-voltage transformer for municipal works

Technical Field

The utility model relates to a transformer technical field specifically is a low voltage transformer for municipal works.

Background

The power transformer is a static electric device, it is a device for changing a certain value of AC voltage (current) into another or several different values of voltage (current) with same frequency, when the primary winding is electrified with AC, it can produce alternating magnetic flux, the alternating magnetic flux can induce AC electromotive force in the secondary winding by means of magnetic conduction action of iron core, the level of secondary induced electromotive force is related to the number of turns of the primary and secondary windings, i.e. the voltage is directly proportional to the number of turns, and its main function is to transmit electric energy, so that its rated capacity is its main parameter, in the course of transmitting electric energy of power system, it must produce two portions of voltage and power loss, when it transmits same power, the voltage loss is inversely proportional to the voltage, and the power loss is inversely proportional to the square of the voltage, and it utilizes the transformer to raise the voltage and reduce the power transmission loss.

However, the heat dissipation of the existing transformer is performed by arranging the heat dissipation holes on the side edges, when the transformer is used for a long time, dust and particles in the air accumulate for a long time to form holes of the heat dissipation holes of the transformer, the increase of the amount of the dust and the particles can cause the blockage of the heat dissipation holes, the blocked transformer is difficult to dissipate heat to cause the continuous rise of the internal temperature of the transformer, the rise of the internal temperature of the transformer damages internal electrical components, the service lives of the electrical components and the transformer are shortened, and the cost of maintaining and replacing the electrical components of the transformer is increased; the rainwater easily enters the junction of terminal and electric wire when using current transformer terminal, receives the corruption of rainwater, and the phenomenon of short circuit easily appears by rainwater corruption's terminal, leads to the transformer condition of catching fire to appear, has increased the risk that accident takes place when the transformer uses.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a low voltage transformer for municipal works possesses the advantage that prevents that the dust from blockking up the louvre, reducing the inside temperature of transformer, the life of extension transformer and reduce the corruption of water to transformer wiring department, has solved the problem that proposes in the above-mentioned background art.

The utility model provides a following technical scheme: a low-voltage transformer for municipal engineering comprises a transformer body, wherein a protective cover is fixedly arranged on the right side of the back of the transformer body, a motor is fixedly arranged in the protective cover, a rotating rod is fixedly connected to an output shaft of the motor, a soft hairbrush positioned in the transformer body is movably sleeved on the outer wall of the rotating rod, round rods are movably sleeved on the inner walls of the upper end and the lower end of the soft hairbrush, the number of the round rods is two, a dust discharge pipe is fixedly arranged on the right side of the bottom surface of the inner wall of the transformer body, a top plate is fixedly arranged on the upper surface of the transformer body, a binding post is fixedly arranged on one side of the top plate, away from the transformer body, a rainproof cover positioned outside the binding post is fixedly arranged on one side of the top plate, away from the transformer body, brackets positioned on two sides of the rainproof cover are fixedly arranged on the left end and the right end of the side of the top plate, away from the transformer body, and the quantity of support is two, the inside activity of support has cup jointed around the cloth axle, the waterproof cloth has been cup jointed around the outer wall activity of cloth axle, both ends fixed mounting has the connecting rod around the waterproof cloth is kept away from around cloth axle one side, the pulley has been cup jointed in the outer wall activity of connecting rod, the spacing ring that is located pulley one side has been cup jointed in the outer wall of connecting rod, one side fixed mounting that the waterproof cloth was kept away from around the cloth axle has the couple, both ends fixed mounting has the fixed plate about the roof, and the quantity of fixed plate is two, the lower bottom surface fixed mounting of fixed plate has the slide rail, the slide rail is kept away from the one end fixed mounting of fixed plate and is located the backup pad of the lower extreme of transformer body left and right sides, the positive fixed mounting of backup pad has the locating lever, and the outer wall of locating lever and the inside activity joint of couple.

Preferably, the heat dissipation hole is formed in the right side of the transformer body, the inner wall of the heat dissipation hole is movably connected with the outer wall of the left side of the soft brush, the rotation hole is formed in the right side of the back face of the transformer body, the rotation groove corresponding to the rotation hole is formed in the front inner wall of the transformer body, the front side and the rear side of the inner wall of the transformer body are fixedly connected with the front end and the rear end of the round rod, and the fixing hole is formed in the front right side of the transformer body.

Preferably, the inner wall activity in the rotation hole that the rear end of dwang outer wall and transformer body seted up cup joints, the inner wall activity in the rotation groove that the inner wall of dwang front end and transformer body seted up cup joints, the outer wall of dwang is provided with the screw thread, the outer wall of dwang cup joints with the inner wall screw thread of pappus brush, and the inner wall of pappus brush is provided with the screw thread corresponding with the dwang outer wall.

Preferably, the rear end of the dust discharge pipe is fixedly connected with the rear side of the inner wall of the transformer body, the front end of the dust discharge pipe extends to the outside of the transformer body, the front end of the outer wall of the dust discharge pipe is fixedly sleeved with the inner wall of a fixing hole formed in the transformer body, and the dust discharge pipe is installed in a mode that the rear part is high and the front part is low.

Preferably, the front end of the winding cloth shaft extends to the outside of the support, a rotating handle is fixedly mounted at the front end of the winding cloth shaft, the outer walls of the front end and the rear end of the winding cloth shaft are movably sleeved with the inner wall of the support, and the outer wall of the middle of the winding cloth shaft is movably sleeved with the inner wall of the rainproof cloth.

Preferably, the slide rail comprises two slides, the inner wall of slide rail is cup jointed with the outer wall activity of connecting rod, and the outer wall activity of connecting rod is cup jointed and is located the outside pulley of slide rail.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses a cooperation between transformer body, pappus brush, dust exclusion pipe and the motor utilizes the pappus brush to the scrubbing of transformer louvre hole, has guaranteed the normal radiating effect of louvre, has solved the problem that the transformer stopped up the louvre when using for a long time effectively, has avoided leading to the damage of transformer inside temperature rising back electrical components after the louvre blocks up, has prolonged transformer and inside electrical components's life.

2. The utility model discloses a terminal, rain-proof cover, the cooperation between waterproof cloth and the transformer body, utilize rain-proof cover to the protection of terminal and the protection of waterproof cloth to the transformer, realized the rain-proof effect of transformer, solved effectively that the transformer uses the time rainwater to get into the inside problem of terminal and transformer, avoided the rainwater to the interference of transformer normal work, simultaneously, still avoided the rainwater to get into the inside condition that causes the circuit short circuit of terminal, reduced the risk that the transformer short circuit caused the accident.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a right side view of the motor of the present invention;

fig. 3 is a right side view of the waterproof cloth of the present invention;

fig. 4 is a right side view of the dust discharge pipe of the present invention.

In the figure: 1. a transformer body; 2. a protective cover; 3. a motor; 4. rotating the rod; 5. a soft brush; 6. a round bar; 7. a dust discharge pipe; 8. a top plate; 9. a binding post; 10. a rain cover; 11. a support; 12. winding the cloth shaft; 13. waterproof cloth; 14. a connecting rod; 15. a pulley; 16. a limiting ring; 17. hooking; 18. a fixing plate; 19. a slide rail; 20. a support plate; 21. and (5) positioning the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a low voltage transformer for municipal engineering, comprising a transformer body 1, a protective cover 2 is fixedly installed on the right side of the back of the transformer body 1, a motor 3 is fixedly installed inside the protective cover 2, the protective cover 2 plays a role of protecting the motor 3, thereby preventing rainwater from corroding the motor 3, reducing the damage of the motor 3, prolonging the service life of the motor 3, a rotating rod 4 is fixedly connected to an output shaft of the motor 3, the installation of the motor 3 provides power support for the rotation of the rotating rod 4, a soft brush 5 positioned inside the transformer body 1 is movably sleeved on the outer wall of the rotating rod 4, the holes of the heat dissipation holes of the transformer are cleaned by the reciprocating motion of the soft brush 5, thereby effectively solving the problem that the holes of the heat dissipation holes of the transformer are blocked by dust and particles, and avoiding the condition that the heat dissipation holes of the transformer can not dissipate heat due to the blockage of the heat dissipation holes, the temperature in the transformer is reduced, the damage to internal electrical elements caused by overhigh temperature in the transformer is reduced, the service life of the electrical elements is prolonged, the inner walls of the upper end and the lower end of the soft hairbrush 5 are movably sleeved with the round rods 6, the number of the round rods 6 is two, the installation of the round rods 6 plays roles of reinforcing the soft hairbrush 5 and keeping the balance of the soft hairbrush 5, the right side of the bottom surface of the inner wall of the transformer body 1 is fixedly provided with the dust discharge pipe 7, the upper surface of the transformer body 1 is fixedly provided with the top plate 8, one side of the top plate 8, which is far away from the transformer body 1, is fixedly provided with the wiring terminal 9, one side of the top plate 8, which is far away from the transformer body 1, is fixedly provided with the rain cover 10 positioned outside the wiring terminal 9, the protection effect on the wiring terminal 9 is achieved by utilizing the installation of the rain cover 10, and the problem that rainwater flows into the wiring terminal 9 after the wiring terminal is corroded by the rainwater is effectively solved, the condition that rainwater flows into the transformer body 1 along the wiring terminal 9 to cause short circuit of electrical components is avoided, the risk of accidents during use of the transformer is reduced, the left end and the right end of one side, far away from the transformer body 1, of the top plate 8 are fixedly provided with the brackets 11 positioned on the two sides of the rain cover 10, the number of the brackets 11 is two, the cloth winding shaft 12 is movably sleeved in the brackets 11, the rain cloth 13 is movably sleeved on the outer wall of the cloth winding shaft 12, the installation of the cloth winding shaft 12 provides support for withdrawing and using of the rain cloth 13, the front end and the rear end of one side, far away from the cloth winding shaft 12, of the rain cloth 13 are fixedly provided with the connecting rods 14, the outer wall of the connecting rods 14 is movably sleeved with the pulleys 15, the installation of the connecting rods 14 plays a role in supporting the pulleys 15, the outer wall of the connecting rods 14 is fixedly sleeved with the limiting rings 16 positioned on one side of the pulleys 15, and the limiting rings 16 play a role in limiting the pulleys 15, rain-proof cloth 13 is kept away from one side fixed mounting around cloth axle 12 and is got in touch 17, both ends fixed mounting has fixed plate 18 about roof 8, and the quantity of fixed plate 18 is two, the lower bottom surface fixed mounting of fixed plate 18 has slide rail 19, slide rail 19's installation provides the support for the motion of pulley 15, slide rail 19 keeps away from the one end fixed mounting of fixed plate 18 has the backup pad 20 that is located the lower extreme of the 1 left and right sides of transformer body, the positive fixed mounting of backup pad 20 has locating lever 21, and the outer wall of locating lever 21 and the inside activity joint of couple 17, the connected mode of activity joint is convenient for rain-proof cloth 13's installation and dismantlement.

Wherein, the louvre has been seted up on transformer body 1's right side, the louvre set up and provide the passageway for the inside heat dissipation of transformer, and the inner wall and the left outer wall swing joint of pappus brush 5 of louvre, the rotation hole has been seted up on the right side at the 1 back of transformer body, transformer body 1 positive inner wall is seted up and is rotated the corresponding rotation groove in hole position, both sides and round bar 6 around both ends fixed connection around transformer body 1 inner wall, transformer body 1's installation provides support and platform for round bar 6's installation, the fixed orifices has been seted up on transformer body 1 positive right side.

Wherein, the rear end of dwang 4 outer wall cup joints with the inner wall activity in the rotation hole that transformer body 1 seted up, the inner wall of dwang 4 front end cup joints with the inner wall activity in the rotation groove that transformer body 1 seted up, dwang 4 cup joints with the activity of rotating groove and rotation hole respectively, make dwang 4 remain throughout with the motion of ground horizontal direction, dwang 4's outer wall is provided with the screw thread, dwang 4's outer wall cup joints with the inner wall screw thread of pappus brush 5, the connected mode that the screw thread cup jointed has realized playing the effect to the change of pappus brush 5 position through the rotation to dwang 4, and the inner wall of pappus brush 5 is provided with the screw thread corresponding with dwang 4 outer wall.

The rear end of the dust discharge pipe 7 is fixedly connected with the rear side of the inner wall of the transformer body 1, the front end of the dust discharge pipe 7 extends to the outside of the transformer body 1, the front end of the outer wall of the dust discharge pipe 7 is fixedly sleeved with the inner wall of a fixing hole formed in the transformer body 1, the dust discharge pipe 7 is installed in a mode that the rear part is high and the front part is low, the dust discharge pipe 7 is made to be an inclined plane in the mode that the rear part is high and the front part is low, and dust falls to the outside of the transformer body 1 under the action of gravity of the dust discharge pipe 7 and the external inclined plane after falling into the dust discharge pipe 7 in an accumulated mode.

Wherein, extend to the outside of support 11 around the front end of cloth beam 12, around the front end fixed mounting of cloth beam 12 has the rotation handle, and the installation of rotating the handle facilitates the rotation around cloth beam 12 for the crew member, has realized withdrawing to waterproof cloth 13, and the outer wall at both ends cup joints with the inner wall activity of support 11 around cloth beam 12, and the outer wall around cloth beam 12 middle part cup joints with the inner wall activity of waterproof cloth 13.

The sliding rail 19 is composed of two sliding ways, the inner wall of the sliding rail 19 is movably sleeved with the outer wall of the connecting rod 14, the sliding ways are installed to support the movement of the connecting rod 14, and the outer wall of the connecting rod 14 is movably sleeved with the pulley 15 located outside the sliding rail 19.

The working principle is as follows: during the use, treat that the transformer installation is accomplished after, at first spur waterproof cloth 13, drive the roll around cloth axle 12 when waterproof cloth 13 spurs, still drive the roll of pulley 15 between slide rail 19 when waterproof cloth 13 spurs, spur waterproof cloth 13 incessantly, until fixing couple 17 and locating lever 21, can stop the spur to waterproof cloth 13, then connect the electric wire on the terminal 9 from the top of rain-proof cover 10, finally, regularly open motor 3, motor 3 drives the rotation of dwang 4 when opening, dwang 4 drives the motion of pappus brush 5 when pivoted, sweep the dust in the transformer louvre hole to the inside of dust discharge pipe 7 when pappus brush 5 moves, slide to the outside of transformer body 1 through the inside inclined plane of dust discharge pipe 7 again.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a low voltage transformer for municipal works, includes transformer body (1), its characterized in that: the transformer comprises a transformer body (1), and is characterized in that a protective cover (2) is fixedly arranged on the right side of the back of the transformer body (1), a motor (3) is fixedly arranged in the protective cover (2), rotating rods (4) are fixedly connected to output shafts of the motor (3), a soft hairbrush (5) positioned in the transformer body (1) is movably sleeved on the outer wall of the rotating rods (4), round rods (6) are movably sleeved on the inner walls of the upper end and the lower end of the soft hairbrush (5), the number of the round rods (6) is two, a dust discharge pipe (7) is fixedly arranged on the right side of the inner wall bottom surface of the transformer body (1), a top plate (8) is fixedly arranged on the upper surface of the transformer body (1), a binding post (9) is fixedly arranged on one side of the top plate (8) far away from the transformer body (1), a rainproof cover (10) positioned outside the binding post (9) is fixedly arranged on one side of the top plate (8) far away from the transformer body (1), the transformer comprises a top plate (8), wherein supports (11) located on two sides of a rainproof cover (10) are fixedly mounted at the left end and the right end of one side, far away from a transformer body (1), of the top plate (8), the number of the supports (11) is two, a cloth winding shaft (12) is movably sleeved on the inner portion of each support (11), a rainproof cloth (13) is movably sleeved on the outer wall of the cloth winding shaft (12), connecting rods (14) are fixedly mounted at the front end and the rear end of one side, far away from the cloth winding shaft (12), of the rainproof cloth (13), pulleys (15) are movably sleeved on the outer wall of each connecting rod (14), a limiting ring (16) located on one side of each pulley (15) is fixedly sleeved on the outer wall of each connecting rod (14), a hook (17) is fixedly mounted on one side, far away from the cloth winding shaft (12), fixing plates (18) are fixedly mounted at the left end and the right end of the top plate (8), and the number of the fixing plates (18) is two, the lower bottom surface fixed mounting of fixed plate (18) has slide rail (19), the one end fixed mounting that fixed plate (18) were kept away from in slide rail (19) has backup pad (20) that are located the lower extreme of transformer body (1) left and right sides, the front fixed mounting of backup pad (20) has locating lever (21), and the outer wall of locating lever (21) and the inside activity joint of couple (17).

2. The low-voltage transformer for municipal engineering according to claim 1, wherein: the heat dissipation hole is formed in the right side of the transformer body (1), the inner wall of the heat dissipation hole is movably connected with the outer wall of the left side of the soft hairbrush (5), the rotation hole is formed in the right side of the back face of the transformer body (1), the rotation groove corresponding to the rotation hole in position is formed in the inner wall of the front face of the transformer body (1), the front side and the rear side of the inner wall of the transformer body (1) are fixedly connected with the front end and the rear end of the round rod (6), and the fixing hole is formed in the right side of the front face of the transformer body (1).

3. The low-voltage transformer for municipal engineering according to claim 1, wherein: the inner wall activity in the rotation hole that the rear end of dwang (4) outer wall and transformer body (1) were seted up cup joints, the inner wall activity in the rotation groove that the inner wall of dwang (4) front end and transformer body (1) were seted up cup joints, the outer wall of dwang (4) is provided with the screw thread, the outer wall of dwang (4) cup joints with the inner wall screw thread of pappus brush (5), and the inner wall of pappus brush (5) is provided with the screw thread corresponding with dwang (4) outer wall.

4. The low-voltage transformer for municipal engineering according to claim 1, wherein: the rear end of the dust discharge pipe (7) is fixedly connected with the rear side of the inner wall of the transformer body (1), the front end of the dust discharge pipe (7) extends to the outside of the transformer body (1), the front end of the outer wall of the dust discharge pipe (7) is fixedly sleeved with the inner wall of a fixing hole formed in the transformer body (1), and the dust discharge pipe (7) is installed in a mode that the rear part is high and the front part is low.

5. The low-voltage transformer for municipal engineering according to claim 1, wherein: the utility model discloses a waterproof cloth winding machine, including cloth axle (12), the front end of winding cloth axle (12) extends to the outside of support (11), the front end fixed mounting around cloth axle (12) has the rotation handle, the outer wall at both ends cup joints with the inner wall activity of support (11) around cloth axle (12), the outer wall at cloth axle (12) middle part cup joints with the inner wall activity of waterproof cloth (13).

6. The low-voltage transformer for municipal engineering according to claim 1, wherein: slide rail (19) comprise two slides, the inner wall of slide rail (19) is cup jointed with the outer wall activity of connecting rod (14), and the outer wall activity of connecting rod (14) is cup jointed and is located outside pulley (15) of slide rail (19).

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