CN210722675U

CN210722675U - Protection device of outdoor transformer

Info

Publication number: CN210722675U
Application number: CN201922370374.3U
Authority: CN
Inventors: 田耕博; 杨海涛; 邹振宇; 张兴旺; 邱锋; 尹朋达; 张广一
Original assignee: Jilin Power Transmission And Distribution Engineering Co ltd
Current assignee: Jilin Power Transmission And Distribution Engineering Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-06-09
Anticipated expiration: 2029-12-25

Abstract

The utility model relates to the technical field of transformers, in particular to a protection device of an outdoor transformer, which comprises a transformer chamber and a transformer arranged in the transformer chamber, and also comprises a motor, an air inlet pipe, an air outlet pipe and a grid plate, wherein the transformer is arranged on an outdoor power bracket, the interior of the transformer chamber is provided with a working chamber, four corners of the bottom end of the grid plate are all provided with supporting legs, the four supporting legs are arranged at four corners of the inner wall of the bottom end of the working chamber, the bottom end of the transformer is fixedly arranged at the top end of the grid plate through bolts, the top end and the bottom end of the transformer chamber are respectively provided with an air outlet and an air inlet, the air inlet pipe and the air outlet pipe are respectively communicated with the air outlet and the air inlet, the middle parts of the air inlet pipe and the air outlet pipe are respectively and fixedly connected with a, the practicability is improved.

Description

Protection device of outdoor transformer

Technical Field

The utility model relates to a transformer technical field specifically is a protection device of outdoor transformer.

Background

As is well known, as the economy of china continues to develop healthily and rapidly, the demand for electric power continues to increase rapidly, and therefore, as the power consumption increases continuously, transformers are also visible everywhere, transformers are common equipment in power transmission, mainly change voltage and transmission power therein, and have various sizes and varieties, wherein outdoor transformers are widely used, and in order to ensure the safety of the whole power supply system, related personnel need to repair the transformers aperiodically, thereby preventing accidents. Nevertheless, failures and accidents of the transformer still occur frequently, and thus protection of the outdoor transformer is required.

Outdoor transformer all has shell structure usually, inside sets up electric and circuit structure, through the retrieval, chinese patent publication is CN 207884178U's utility model discloses an outdoor transformer safety arrangement, including transformer room and the transformer of setting in the transformer room, the outside of transformer room is provided with solar cell panel, storage battery, infrared sensor, a controller, siren and switch room, install the entrance guard's electric lock on the room door of switch room, this outdoor transformer safety arrangement has the design science, the alarm is reminded, safe and reliable, reduce the theft probability, provide the illumination, the advantage of facilitate work.

Above-mentioned patent when carrying out the theftproof protection to the transformer, neglected the ventilation condition of transformer, influence the heat dissipation condition in the transformer working process easily, influence the normal work of transformer, lead to its practicality relatively poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an improve the ventilation cooling to the transformer, reduce the influence to the normal work of transformer, improve the outdoor transformer's of practicality protection device.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a protection device of an outdoor transformer comprises a transformer chamber, a transformer arranged in the transformer chamber, a motor, an air inlet pipe, an exhaust pipe and a grid plate, wherein the transformer is arranged on an outdoor power support, a working cavity is arranged in the transformer chamber, four corners of the bottom end of the grid plate are respectively provided with a support leg, the four support legs are arranged at four corners of the inner wall of the bottom end of the working cavity, the bottom end of the transformer is fixedly arranged at the top end of the grid plate through bolts, the top end and the bottom end of the transformer chamber are respectively provided with an air outlet and an air inlet, the air inlet pipe and the exhaust pipe are respectively communicated with the air outlet and the air inlet, the middle parts of the air inlet pipe and the exhaust pipe are respectively and fixedly connected with a first grid frame and a second grid frame, and the middle parts of the first grid frame and the second grid frame are, the top of first pivot and the bottom of second pivot all stretch into to the working chamber inside to the top of first pivot and the bottom of second pivot are installed air inlet fan blade group and exhaust fan blade group respectively with one heart, first belt pulley and second belt pulley are installed respectively with one heart to the bottom of first pivot and the top of second pivot, the third belt pulley is installed with one heart to the top of second belt pulley, motor fixed mounting is in the top left side of transformer room, and the top output shaft of motor installs drive pulley with one heart, drive pulley is connected through first drive belt transmission with the third belt pulley, the right side region of electric power support vertically runs through there is the transmission shaft to transmission shaft and electric power support rotatable coupling, second drive wheel and first drive wheel are installed with one heart respectively to the top and the bottom of transmission shaft, be connected through second drive belt transmission between first belt pulley and the first drive wheel, the second transmission wheel is in transmission connection with the second belt wheel through a third transmission belt, a first ventilation opening and a second ventilation opening are respectively formed in the left side wall and the right side wall of the transformer chamber, and isolation nets are respectively arranged on the first ventilation opening and the second ventilation opening.

Preferably, the bottom end of the air inlet pipe is provided with a filter screen, and the middle part of the filter screen is provided with a rotating through hole which is suitable for the first rotating shaft to rotate and penetrate through.

Preferably, the four corners of the exhaust pipe are longitudinally provided with support rods, and the top ends of the support rods are fixedly connected with rain shields.

Preferably, the rain shield is in a shape of Chinese character 'ren', and the front end and the rear end of the rain shield are both provided with flow guide grooves.

Preferably, the motor is externally provided with a protective cover, and a top side wall of the protective cover is provided with a fixing through hole suitable for the top output shaft of the motor to rotate and penetrate through.

Preferably, the fixing through hole is rotatably and hermetically connected with the top output shaft of the motor through a mechanical seal.

Preferably, bird spikes are arranged on the outer side walls of the separation net.

(III) advantageous effects

Compared with the prior art, the utility model provides a protection device of outdoor transformer possesses following beneficial effect:

this protection device of outdoor transformer, through the rotation of motor, drive driving pulley and rotate, transmission through first driving belt, it rotates to drive the second pivot, through the transmission of second driving belt and third driving belt, under the effect of transmission shaft, can drive first pivot and the synchronous syntropy rotation of second pivot, thereby can drive air inlet fan blade group and air exhaust fan blade group and rotate simultaneously, cause the circulation of the inside air of transformer room, make hot-blast discharge, external cold wind gets into, continuous circulation, through the cooperation of grid board and landing leg, reduce the area of contact between transformer and the transformer room inner wall, the ventilation cooling of being convenient for, improve the ventilation cooling to the transformer, reduce the influence to the normal work of transformer, improve the practicality.

Drawings

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

fig. 2 is a right-view structural schematic diagram of the rain shield, the diversion trench and the support rod of the present invention;

FIG. 3 is a schematic view of a portion of the enlarged structure of FIG. 1;

fig. 4 is a schematic diagram of a partial enlarged structure at B in fig. 1 according to the present invention.

In the figure: 1. a transformer chamber; 2. a transformer; 3. an electric motor; 4. an air inlet pipe; 5. an exhaust pipe; 6. a grid plate; 7. a support leg; 8. a first grid frame; 9. a second grid frame; 10. an air inlet fan blade group; 11. an exhaust fan blade group; 12. a first rotating shaft; 13. a second rotating shaft; 14. a first pulley; 15. a second pulley; 16. a third belt pulley; 17. a drive pulley; 18. a first drive belt; 19. a drive shaft; 20. a second transmission wheel; 21. a first drive pulley; 22. a second drive belt; 23. a third drive belt; 24. an isolation net; 25. a filter screen; 26. a strut; 27. a rain shield; 28. a diversion trench; 29. a protective cover; 30. mechanical sealing; 31. prevent bird thorn.

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.

Examples

Referring to fig. 1-4, a protection device for an outdoor transformer comprises a transformer chamber 1, a transformer 2 disposed in the transformer chamber 1, a motor 3, an air inlet pipe 4, an air outlet pipe 5 and a grid plate 6, wherein the transformer 2 is mounted on an outdoor power support, a working chamber is disposed inside the transformer chamber 1, four supporting legs 7 are mounted at four corners of the bottom end of the grid plate 6, four supporting legs 7 are mounted at four corners of the inner wall of the bottom end of the working chamber, the bottom end of the transformer 2 is fixedly mounted at the top end of the grid plate 6 through bolts, the contact area between the transformer 2 and the inner wall of the transformer chamber 1 is reduced through the matching of the grid plate 6 and the supporting legs 7, so as to facilitate ventilation and heat dissipation, an air outlet and an air inlet are disposed at the top end and the bottom end of the transformer chamber 1, and the air inlet pipe 4 and the air outlet pipe 5, the middle parts of the air inlet pipe 4 and the exhaust pipe 5 are respectively fixedly connected with a first grid frame 8 and a second grid frame 9, the middle parts of the first grid frame 8 and the second grid frame 9 are respectively rotatably provided with a first rotating shaft 12 and a second rotating shaft 13, the top end of the first rotating shaft 12 and the bottom end of the second rotating shaft 13 both extend into the working cavity, the top end of the first rotating shaft 12 and the bottom end of the second rotating shaft 13 are respectively and concentrically provided with an air inlet fan blade group 10 and an exhaust fan blade group 11, the bottom end of the first rotating shaft 12 and the top end of the second rotating shaft 13 are respectively and concentrically provided with a first belt pulley 14 and a second belt pulley 15, the top end of the second belt pulley 15 is concentrically provided with a third belt pulley 16, the motor 3 is fixedly arranged on the left side of the top end of the transformer chamber 1, and the top output shaft of the motor 3 is concentrically provided with a transmission belt pulley 17, the transmission belt pulley 17 and the third belt pulley 16 are, a transmission shaft 19 longitudinally penetrates through the right area of the electric power support, the transmission shaft 19 is rotatably connected with the electric power support, a second transmission wheel 20 and a first transmission wheel 21 are concentrically mounted at the top end and the bottom end of the transmission shaft 19 respectively, the first belt pulley 14 is in transmission connection with the first transmission wheel 21 through a second transmission belt 22, the second transmission wheel 20 is in transmission connection with the second belt pulley 15 through a third transmission belt 23, the transmission belt pulley 17 is driven to rotate through the rotation of the motor 3, the second rotating shaft 13 is driven to rotate through the transmission of the first transmission belt 18, the first rotating shaft 12 and the second rotating shaft 13 can be driven to synchronously rotate in the same direction through the transmission action of the second transmission belt 22 and the third transmission belt 23 under the action of the transmission shaft 19, so that the air inlet fan blade group 10 and the exhaust fan blade group 11 can be driven to simultaneously rotate, and the circulation of air inside the transformer chamber 1 is caused, the ventilation and heat dissipation device has the advantages that hot air is discharged, outside cold air enters the ventilation and heat dissipation device, the ventilation and heat dissipation of the transformer 2 are improved through continuous circulation, the left side wall and the right side wall of the transformer chamber 1 are respectively provided with the first ventilation opening and the second ventilation opening, the first ventilation opening and the second ventilation opening are respectively provided with the isolation net 24, the ventilation condition inside the transformer chamber 1 is further improved through the first ventilation opening and the second ventilation opening, and small animals such as birds and snakes can be prevented from entering the transformer chamber 1 through the isolation net 24 to cause danger.

It should be further noted that a filter screen 25 is installed at the bottom end of the air inlet pipe 4, a rotation through hole suitable for the first rotating shaft 12 to pass through is formed in the middle of the filter screen 25, the situation that external impurities enter the transformer room 1 along with the air inlet fan blade set 10 is reduced through the filter screen 25, the influence of the external impurities on the transformer 2 is reduced, support rods 26 are longitudinally installed at four corners of the exhaust pipe 5, a rain shield 27 is fixedly connected to the top ends of the support rods 26, the top ends of the exhaust pipe 5 are shielded conveniently through the rain shield 27, rainwater and the like are prevented from entering the transformer room 1, the protection of the transformer 2 is improved, the rain shield 27 is in a shape of a Chinese character 'ren', flow guide grooves 28 are formed in the front end and the rear end of the rain shield 27, the rainwater is guided and discharged to both sides conveniently, a protective cover 29 is installed outside the motor 3, and a fixing through hole suitable for the top output shaft of the motor 3 to pass through is, the protection ability and the rain-proof ability of preventing damp of improvement to motor 3, fixing hole passes through the rotatable sealing connection of mechanical seal 30 with motor 3's top output shaft, improves the sealed effect of rotation between safety cover 29 and the motor 3, all install on the lateral wall of separation net 24 and prevent bird thorn 31, can drive small animals such as birds and snakes and get into transformer room 1 inside and take place danger.

In this embodiment, the types of the motor 3 are: YB 2-80S-4H.

In summary, when the protection device for the outdoor transformer is used, firstly, the external power supply of the motor 3 is electrically connected, after the transformer 2 works for a period of time, the motor 3 is turned on to drive the air inlet fan blade group 10 and the air outlet fan blade group 11 to rotate simultaneously, so that the air in the transformer chamber 1 continuously flows, and the transformer 2 is cooled.

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

1. The utility model provides a protection device of outdoor transformer, includes transformer room (1) and sets up transformer (2) in transformer room (1), its characterized in that: still include motor (3), intake pipe (4), blast pipe (5) and grid plate (6), transformer (2) are installed on outdoor power support to the inside of transformer room (1) is provided with the working chamber, landing leg (7) are all installed to the four corners position department of grid plate (6) bottom, and four landing legs (7) are installed in the four corners position department of the bottom inner wall of working chamber, the bottom of transformer (2) is passed through bolt fixed mounting on the top of grid plate (6), and the top and the bottom of transformer room (1) are provided with gas outlet and air inlet respectively, and intake pipe (4) and blast pipe (5) communicate with gas outlet and air inlet respectively, and the middle part of intake pipe (4) and blast pipe (5) is first grid frame (8) and second grid frame (9) of fixedly connected with respectively to the middle part of first grid frame (8) and second grid frame (9) is rotatable respectively to be installed first pivot (12) and second grid frame (9) and the middle The top of first pivot (12) and the bottom of second pivot (13) all stretch into to the working chamber inside to the top of first pivot (12) and the bottom of second pivot (13) install air inlet fan blade group (10) and exhaust fan blade group (11) with one heart respectively, first belt pulley (14) and second belt pulley (15) are installed with one heart respectively to the top of first pivot (12) and the top of second pivot (13), third belt pulley (16) are installed with one heart to the top of second belt pulley (15), motor (3) fixed mounting is in the top left side of transformer room (1) to the top output shaft of motor (3) installs drive pulley (17) with one heart, drive pulley (17) and third belt pulley (16) are connected through first drive belt (18) transmission, transmission shaft (19) have vertically been run through to the right side region of electric power support, and the transmission shaft (19) is rotatably connected with the power support, a second transmission wheel (20) and a first transmission wheel (21) are concentrically arranged at the top end and the bottom end of the transmission shaft (19) respectively, the first belt pulley (14) is in transmission connection with the first transmission wheel (21) through a second transmission belt (22), the second transmission wheel (20) is in transmission connection with the second belt pulley (15) through a third transmission belt (23), a first ventilation opening and a second ventilation opening are formed in the left side wall and the right side wall of the transformer chamber (1) respectively, and isolation nets (24) are arranged on the first ventilation opening and the second ventilation opening respectively.

2. A protection device for outdoor transformer according to claim 1, characterized in that: a filter screen (25) is installed at the bottom end of the air inlet pipe (4), and a rotating through hole suitable for the first rotating shaft (12) to rotate and penetrate is formed in the middle of the filter screen (25).

3. A protection device for outdoor transformer according to claim 1, characterized in that: all vertically install branch (26) in the four corners position department of blast pipe (5) to the top fixedly connected with of branch (26) keeps off rain cover (27).

4. A protection device for outdoor transformer according to claim 3, characterized in that: the rain shield (27) is in a herringbone shape, and the front end and the rear end of the rain shield (27) are provided with flow guide grooves (28).

5. A protection device for outdoor transformer according to claim 1, characterized in that: the external mounting of motor (3) has safety cover (29) to be provided with the fixed through-hole that is fit for motor (3) top output shaft to rotate to pass on the top lateral wall of safety cover (29).

6. A protection device for outdoor transformer according to claim 5, characterized in that: the fixed through hole is rotatably and hermetically connected with a top output shaft of the motor (3) through a mechanical seal (30).

7. A protection device for outdoor transformer according to claim 1, characterized in that: bird spikes (31) are arranged on the outer side walls of the separation nets (24).