CN219498710U

CN219498710U - Energy-saving device for centrifugal fan of transformer room

Info

Publication number: CN219498710U
Application number: CN202320742529.5U
Authority: CN
Inventors: 武林; 王彦; 贾飞早; 李亚洲
Original assignee: Jiangsu Zhongmeng Electric Equipment Co ltd
Current assignee: Jiangsu Zhongmeng Electric Equipment Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-08-08
Anticipated expiration: 2033-04-07

Abstract

The utility model discloses an energy-saving device for a centrifugal fan of a transformer room, which relates to the field of centrifugal fans and comprises a base, wherein a PLC (programmable logic controller) is fixedly connected to the top of the front surface of a transformer room main body, radiating grooves are symmetrically formed in the middle of the left side and the right side of the transformer room main body, movable cover plates are symmetrically and rotatably connected to the top of the left side and the right side of the transformer room main body, a first centrifugal fan is fixedly connected to the front surface of an inner cavity of a rectifier cabinet, and a temperature sensor is fixedly connected to the left side of the top of the inner cavity of the base. The energy-saving device for the centrifugal fan of the transformer room can monitor the temperature of the main body of the transformer room in the whole process and regulate the speed of the first centrifugal fan and the second centrifugal fan, the whole device can save energy, electricity and money, the PLC can be connected with the background, the fault times can be monitored and recorded remotely, and the operation of the fan can be stopped when the main body of the transformer room is output without load, so that the function of prolonging the service life is achieved.

Description

Energy-saving device for centrifugal fan of transformer room

Technical Field

The utility model relates to the field of centrifugal fans, in particular to an energy-saving device for a transformer room centrifugal fan.

Background

The transformer room is a place where the transformer is placed, along with the progress of society, the electrification degree is continuously improved, the phenomena of insufficient capacity or overheat of the transformer are more and more frequently shown in power supply capacity and distribution transformation equipment, the maximum effect of the existing equipment is exerted, the fault rate of the equipment is reduced, the high-quality, stable and continuous and reliable power supply is realized, the development of the transformer room is not separated, the traditional phase-shifting transformer room fan is operated at full speed under the conditions of low temperature, small power and no power output, larger electric energy waste is caused, the service life of the fan is also reduced under the condition that the fan is not operated at full speed all the time, the fault background of the fan is not monitored and tracked in real time, and the tripping phenomenon of the vacuum circuit breaker is caused after the transformer room is over-temperature.

Therefore, it is necessary to provide an energy-saving device for a centrifugal fan of a transformer room to solve the above problems.

Disclosure of Invention

The utility model mainly aims to provide an energy-saving device for a centrifugal fan of a transformer room, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a transformer room centrifugal fan economizer, includes the base, the positive centre at base top is fixedly connected with transformer room main part, the positive centre of transformer room main part has seted up first ventilative groove, the positive centre in first ventilative groove inner chamber is fixedly connected with first servo motor, the positive fixedly connected with second centrifugal fan in transformer room main part inner chamber, the positive top fixedly connected with PLC controller of transformer room main part;

radiating grooves are symmetrically formed in the centers of the left side and the right side of the transformer chamber main body, movable cover plates are symmetrically connected to the tops of the left side and the right side of the transformer chamber main body in a rotating mode, a rectifying cabinet is fixedly connected to the center of the top of the transformer chamber main body, a first centrifugal fan is fixedly connected to the front side of an inner cavity of the rectifying cabinet, a temperature sensor is fixedly connected to the left side of the top of the inner cavity of the base, a humidity sensor is fixedly connected to the right side of the temperature sensor, and a baffle is fixedly connected to the top of the rectifying cabinet.

Preferably, the back of first servo motor is provided with the belt, the front at rectifier cabinet and transformer room main part inner chamber is connected in the belt rotation, belt pulley is installed to belt inner chamber's top and bottom symmetry, two the positive symmetry fixedly connected with drive shaft in belt pulley inner chamber.

Preferably, the front of the driving shaft is fixedly connected to the back of the first servo motor through a rotating shaft, the back of the driving shaft is fixedly connected to the front of the second centrifugal fan, the back of the driving shaft is fixedly connected to the front of the first centrifugal fan, and the PLC is electrically connected with the first servo motor.

Preferably, a second ventilation groove is formed in the center of the front face of the rectifying cabinet, the second ventilation groove and the first centrifugal fan are located on the same axis, and the first ventilation groove and the second centrifugal fan are located on the same axis.

Preferably, the humidity sensor is fixedly connected to the right side of the top of the inner cavity of the main body of the transformer room, the temperature sensor and the humidity sensor are electrically connected with the PLC, and the rectifier cabinet is electrically connected with the PLC.

Preferably, two symmetrical fixedly connected with filter screen of one side that the heat sink inner chamber is relative, two symmetrical fixedly connected with axis of rotation of one side that the removable cover is relative, two the back of axis of rotation passes through shaft coupling symmetrical fixedly connected with second servo motor, two symmetrical swivelling joint in the top of transformer room main part left and right sides of one side that the axis of rotation is relative, two symmetrical fixedly connected with in the top of transformer room main part back left and right sides of second servo motor, the size looks adaptation of removable cover and heat sink.

Advantageous effects

Compared with the prior art, the utility model has the following beneficial effects:

1. this transformer room centrifugal fan economizer can whole temperature control transformer room main part and carry out the speed governing to first centrifugal fan and second centrifugal fan, whole energy-conserving electricity saving money, can be connected with the backstage through the PLC controller that sets up, with this can remote monitoring record trouble number of times, can stop the operation of fan when transformer room main part no-load output, with this can prolong fan life, the maintenance of convenient follow-up to its trouble simultaneously, through temperature sensor and humidity transducer that sets up, can control the temperature and the humidity of transformer room main part in real time, make the inside fan of transformer room main part can not lead to the fact overload loss because of long-time operation under high temperature, can control the temperature of transformer room main part in real time, can not take place the high-temperature high-pressure side vacuum circuit breaker that jumps, make the temperature of transformer room main part be in the constant temperature state, with this can prolong transformer life.

2. This transformer room centrifugal fan economizer can cooperate the filter screen to prevent entering of debris such as dust when can improving the radiating of transformer room main part through the radiating groove that sets up for the axis of rotation can drive the fly leaf and rotate, with this can close or open the radiating groove according to the temperature condition, can play better protective effect to the transformer room main part.

3. This transformer room centrifugal fan economizer is through starting the first servo motor that sets up for the drive shaft of bottom can drive the belt pulley of bottom and rotate, so can drive belt pulley and the drive shaft at top through the belt and rotate, can open first centrifugal fan and second centrifugal fan simultaneously this moment, so can dispel the heat simultaneously to transformer room main part and rectifier cabinet.

Drawings

FIG. 1 is a schematic view of the front face of the present utility model;

FIG. 2 is a schematic view of the structure of the removable cover of the present utility model;

FIG. 3 is a schematic diagram of a first servomotor of the present utility model;

fig. 4 is a schematic structural view of the inner cavity of the transformer room body of the present utility model.

In the figure: 1. a base; 2. a transformer chamber body; 3. a first ventilation groove; 4. a first servo motor; 5. a belt; 6. a belt pulley; 7. a drive shaft; 8. a first centrifugal fan; 9. a second centrifugal fan; 10. a PLC controller; 11. a heat sink; 12. a filter screen; 13. a removable cover; 14. a second servo motor; 15. a rotating shaft; 16. a rectifying cabinet; 17. a baffle; 18. a second ventilation groove; 19. a temperature sensor; 20. a humidity sensor.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, an energy-saving device for a centrifugal fan of a transformer room comprises a base 1, wherein the center of the top of the base 1 is fixedly connected with a transformer room main body 2, the center of the front surface of the transformer room main body 2 is provided with a first ventilation groove 3, the center of the inner cavity of the first ventilation groove 3 is fixedly connected with a first servo motor 4, the front surface of the inner cavity of the transformer room main body 2 is fixedly connected with a second centrifugal fan 9, the front surface of the transformer room main body 2 is fixedly connected with a PLC controller 10, the centers of the left side and the right side of the transformer room main body 2 are symmetrically provided with heat dissipation grooves 11, the tops of the left side and the right side of the transformer room main body 2 are symmetrically and rotatably connected with movable cover plates 13, the center of the top of the transformer room main body 2 is fixedly connected with a rectifying cabinet 16, the front surface of the inner cavity of the rectifying cabinet 16 is fixedly connected with a first centrifugal fan 8, the left side of the top of the inner cavity of the base 1 is fixedly connected with a temperature sensor 19, the right side of the temperature sensor 19 is fixedly connected with the humidity sensor 20, the back of the first servo motor 4 is provided with a belt 5, the belt 5 is rotationally connected to the rectifying cabinet 16 and the front of the inner cavity of the transformer room main body 2, the top and the bottom of the inner cavity of the belt 5 are symmetrically provided with belt pulleys 6, the centers of the inner cavities of the two belt pulleys 6 are symmetrically and fixedly connected with a driving shaft 7, the front of the bottom driving shaft 7 is fixedly connected to the back of the first servo motor 4 through a rotating shaft, the back of the bottom driving shaft 7 is fixedly connected to the front of the second centrifugal fan 9, the back of the top driving shaft 7 is fixedly connected to the front of the first centrifugal fan 8, the PLC controller 10 is electrically connected with the first servo motor 4, the center of the front of the rectifying cabinet 16 is provided with a second ventilation groove 18, the second ventilation groove 18 and the first centrifugal fan 8 are positioned on the same axis, the first ventilation groove 3 and the second centrifugal fan 9 are positioned on the same axis, the humidity sensor 20 is fixedly connected to the right side of the top of the inner cavity of the transformer room main body 2, the temperature sensor 19 and the humidity sensor 20 are both electrically connected with the PLC controller 10, the rectifying cabinet 16 is electrically connected with the PLC controller 10, the filter screen 12 is symmetrically and fixedly connected to one side of the inner cavity of the two radiating grooves 11, the rotating shaft 15 is symmetrically and fixedly connected to one side of the two movable cover plates 13, the back surfaces of the two rotating shafts 15 are symmetrically and fixedly connected with the second servo motors 14 through a coupler, one side of the two rotating shafts 15 is symmetrically and fixedly connected to the top of the left side and the right side of the back surface of the transformer room main body 2, the two second servo motors 14 are symmetrically and fixedly connected to the top of the left side and the right side of the back surface of the transformer room main body 2, the movable cover plates 13 are matched with the radiating grooves 11 in size, the device can fully monitor the temperature of the transformer room main body 2 and regulate the speed of the first centrifugal fan 8 and the second centrifugal fan 9, is energy-saving, electricity-saving and money-saving, can be connected with a background through the arranged PLC controller 10, can remotely monitor and record the times of faults, can stop the operation of the fans when the transformer room main body 2 is in no-load output, can prolong the service life of the fans, is convenient for subsequent fault maintenance, can control the temperature and humidity of the transformer room main body 2 in real time through the arranged temperature sensor 19 and the humidity sensor 20, can prevent the fans in the transformer room main body 2 from overload loss caused by long-time operation at high temperature, can control the temperature of the transformer room main body 2 in real time, can not generate an overtemperature high-voltage side vacuum circuit breaker, can ensure the temperature of the transformer room main body 2 to be in a constant temperature state, can prolong the service life of the transformer, through the radiating groove 11 that sets up, can cooperate filter screen 12 to prevent the entering of debris such as dust when improving the radiating of transformer room main part 2, through the second servo motor 14 that starts the setting, make axis of rotation 15 can drive movable cover 13 and rotate, so can close or open radiating groove 11 according to the temperature condition, can play better protective effect to transformer room main part 2, through the first servo motor 4 that starts the setting, make the drive shaft 7 of bottom can drive the belt pulley 6 of bottom and rotate, so can drive belt pulley 6 and drive shaft 7 at top through belt 5 and rotate, can open first centrifugal fan 8 and second centrifugal fan 9 simultaneously this moment, so can dispel the heat simultaneously to transformer room main part 2 and rectifier cabinet 16.

It should be noted that, the utility model is an energy-saving device for a centrifugal fan of a transformer room, when in use, the PLC controller 10 is adopted to communicate with a main board of the rectifying cabinet 16, so as to monitor the power feedback of the main body 2 of the transformer room in real time, in addition, the temperature sensor 19 is matched to monitor the temperature of the main body 2 of the transformer room, at the moment, the second centrifugal fan 9 and the first centrifugal fan 8 can be started to cool the main body 2 of the transformer room and the rectifying cabinet 16 according to the temperature condition, after the first servo motor 4 is started, the belt pulley 6 at the bottom can drive the belt 5 to rotate, at the moment, the belt 5 can drive the belt pulley 6 at the top and the driving shaft 7 to rotate, so as to drive the first centrifugal fan 8 and the second centrifugal fan 9 to perform heat dissipation on the main body 2 of the transformer room and the rectifying cabinet 16, if the temperature needs to be quickly reduced, the second servo motor 14 is started, the rotating shaft 15 drives the movable cover plate 13 to turn over, so that the heat dissipation groove 11 is exposed, and at the moment, the heat dissipation efficiency can be improved.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a transformer room centrifugal fan economizer, includes base (1), its characterized in that: the transformer is characterized in that the center of the top of the base (1) is fixedly connected with a transformer chamber main body (2), a first ventilation groove (3) is formed in the center of the front face of the transformer chamber main body (2), a first servo motor (4) is fixedly connected with the center of the inner cavity of the first ventilation groove (3), a second centrifugal fan (9) is fixedly connected with the front face of the inner cavity of the transformer chamber main body (2), and a PLC (programmable logic controller) controller (10) is fixedly connected with the top of the front face of the transformer chamber main body (2);

radiating grooves (11) are symmetrically formed in the middle of the left side and the right side of the transformer chamber main body (2), movable cover plates (13) are symmetrically connected to the tops of the left side and the right side of the transformer chamber main body (2) in a rotating mode, rectifying cabinets (16) are fixedly connected to the middle of the tops of the transformer chamber main body (2), first centrifugal fans (8) are fixedly connected to the front sides of inner cavities of the rectifying cabinets (16), temperature sensors (19) are fixedly connected to the left sides of the tops of the inner cavities of the base (1), humidity sensors (20) are fixedly connected to the right sides of the temperature sensors (19), and baffle plates (17) are fixedly connected to the tops of the rectifying cabinets (16).

2. The energy-saving device for a centrifugal fan of a transformer room according to claim 1, wherein: the back of first servo motor (4) is provided with belt (5), belt (5) rotate the front of connecting in rectifier cabinet (16) and transformer room main part (2) inner chamber, belt pulley (6) are installed to top and bottom symmetry in belt (5) inner chamber, two the positive symmetry fixedly connected with drive shaft (7) in belt pulley (6) inner chamber.

3. The energy-saving device for a centrifugal fan of a transformer room according to claim 2, wherein: the front of the driving shaft (7) is fixedly connected to the back of the first servo motor (4) through a rotating shaft, the back of the driving shaft (7) is fixedly connected to the front of the second centrifugal fan (9), the back of the driving shaft (7) is fixedly connected to the front of the first centrifugal fan (8), and the PLC (10) is electrically connected with the first servo motor (4).

4. The energy-saving device for a centrifugal fan of a transformer room according to claim 1, wherein: the center of the front face of the rectifying cabinet (16) is provided with a second ventilation groove (18), the second ventilation groove (18) and the first centrifugal fan (8) are located on the same axis, and the first ventilation groove (3) and the second centrifugal fan (9) are located on the same axis.

5. The energy-saving device for a centrifugal fan of a transformer room according to claim 1, wherein: the humidity sensor (20) is fixedly connected to the right side of the top of the inner cavity of the transformer room main body (2), the temperature sensor (19) and the humidity sensor (20) are electrically connected with the PLC (10), and the rectifier cabinet (16) is electrically connected with the PLC (10).

6. The energy-saving device for a centrifugal fan of a transformer room according to claim 1, wherein: two symmetrical fixedly connected with filter screen (12) of one side that radiating groove (11) inner chamber is relative, two symmetrical fixedly connected with axis of rotation (15) of one side that removable cover (13) is relative, two the back of axis of rotation (15) passes through shaft coupling symmetrical fixedly connected with second servo motor (14), two symmetrical swivelling joint in the top of transformer room main part (2) left and right sides of one side that axis of rotation (15) is relative, two symmetrical fixedly connected with in the top of transformer room main part (2) back left and right sides of second servo motor (14), the size looks adaptation of removable cover (13) and radiating groove (11).