Energy-saving cooling device for power transformer

Abstract

The utility model relates to the technical field of power transformers, and discloses an energy-saving cooling device for a power transformer, which solves the problem of high energy consumption caused by air cooling of the power transformer through a plurality of fans at present, and comprises a cooling box, an air cooling mechanism is mounted on the cooling box, and a cleaning mechanism is mounted on the air cooling mechanism. A top frame is fixedly mounted at the top of the cooling box; according to the device, through cooperation of a third bevel gear, a fourth bevel gear, a fifth rotating shaft and a second conveying belt, rotation of a third rotating shaft is facilitated, through cooperation of a fifth bevel gear, a sixth bevel gear, the fourth rotating shaft and a first conveying belt, rotation of a second rotating shaft is facilitated, and through cooperation of a second bevel gear, a first bevel gear, a first rotating shaft and a first fan blade, rotation of the second rotating shaft is facilitated; and air cooling can be conveniently conducted on the side face of the power transformer body, so that the power transformer body can be fully cooled only through a single motor, and the energy-saving effect is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of power transformers, in particular to an energy-saving cooling device for a power transformer. Background Art

[0002] A power transformer is a static electrical device that is used to convert an AC voltage of a certain value into another or several voltages of different values ​​with the same frequency. During the use of existing power transformers, due to long-term operation, a large amount of heat will be generated, which will affect the operation effect of the power transformer. Therefore, the power transformer needs to be cooled.

[0003] Currently, power transformers are mostly cooled by multiple fans, which results in high energy consumption. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an energy-saving cooling device for a power transformer, which effectively solves the problem of large energy consumption caused by air cooling of the power transformer by multiple fans.

[0005] To achieve the above object, the utility model provides the following technical solutions: an energy-saving cooling device for a power transformer, comprising a cooling box, an air cooling mechanism installed on the cooling box, a cleaning mechanism installed on the air cooling mechanism, a top frame fixedly installed on the top of the cooling box, a power transformer body arranged inside the cooling box, the top frame arranged outside the power transformer body, two heat dissipation ports symmetrically arranged on the top frame, and dustproof nets installed in both heat dissipation ports;

[0006] The air cooling mechanism includes an air inlet cylinder fixed to the bottom of the cooling box, the air inlet cylinder is connected to the interior of the cooling box, a filter is fixedly installed inside the air inlet cylinder, the bottom surface of the filter is flush with the bottom surface of the air inlet cylinder, an inner plate is fixedly installed inside the air inlet cylinder, a motor is fixedly installed on the top of the inner plate, a transmission shaft is fixedly installed on the motor, a fan blade 2 is fixedly installed on the top of the transmission shaft, two rotating shafts 1 are symmetrically rotatably connected inside the cooling box, fan blades 1 are fixedly installed on the ends of the two rotating shafts 1 close to each other, and the power transformer body is located between the two fan blades 1.

[0007] Preferably, a sleeve plate is fixedly mounted on the outer side of the air inlet cylinder, and the top of the sleeve plate is symmetrically rotatably connected to two rotating shafts 2. The top ends of the two rotating shafts 2 extend to the interior of the cooling box and are fixedly installed with bevel gears 2. Bevel gears 1 are fixedly installed on the outer sides of the two rotating shafts 1, and the two bevel gears 1 are respectively meshed and connected with the two bevel gears 2.

[0008] Preferably, the top of the sleeve is rotatably connected to a rotating shaft four located outside the air inlet cylinder, and a conveyor belt one is transmission-connected between the two rotating shafts two and the rotating shaft four.

[0009] Preferably, the top of the sleeve is fixedly connected with a vertical plate 1 and a vertical plate 2 located between the rotating shaft 4 and the air inlet tube, the vertical plate 1 and the vertical plate 2 are arranged parallel to each other, and the vertical plate 1 is located between the vertical plate 2 and the rotating shaft 4.

[0010] Preferably, the side of the vertical plate two close to the vertical plate one is rotatably connected with the rotating shaft three, the end of the rotating shaft three away from the vertical plate two passes through the vertical plate one and is fixedly installed with a bevel gear five, and the outer side of the rotating shaft four is fixedly installed with a bevel gear six, and the bevel gear six is ​​meshingly connected with the bevel gear five.

[0011] Preferably, one end of the vertical plate one close to the vertical plate two is rotatably connected to the rotating shaft five, the end of the rotating shaft five away from the vertical plate one extends to the interior of the air inlet tube and is fixedly installed with a bevel gear four, and the rotating shaft five passes through the vertical plate two and is rotatably connected to the vertical plate two, a bevel gear three is fixedly installed on the outer side of the transmission shaft, the bevel gear three is meshingly connected with the bevel gear four, and a conveyor belt two is transmission-connected between the rotating shaft three and the rotating shaft five.

[0012] Preferably, the cleaning mechanism includes a support shaft rotatably connected to the bottom of the inner plate, the support shaft passes through the filter and is rotatably connected to the filter, a slide plate is provided on the support shaft, and two brushes are symmetrically fixedly installed on the top of the slide plate, both of which are in contact with the bottom of the filter.

[0013] Preferably, a slide groove is provided on the support shaft, the slide plate is slidably connected to the support shaft through the slide groove, a slide rod is fixedly installed inside the slide groove, the slide plate is movably sleeved on the outside of the slide rod, a spring is fixedly connected between the bottom of the slide plate and the inner wall of the support shaft, and the spring is sleeved on the outside of the slide rod.

[0014] Preferably, an L-shaped plate is fixedly installed on the top of the inner plate, a transmission shaft passes through the L-shaped plate and is rotatably connected to the L-shaped plate, a driven shaft is rotatably connected to the inner top wall of the L-shaped plate, the driven shaft passes through the inner plate and is rotatably connected to the inner plate, and a conveyor belt three is transmission-connected between the transmission shaft and the driven shaft.

[0015] Preferably, a small gear is fixedly mounted on the outer side of the driven shaft, a large gear is fixedly mounted on the outer side of the supporting shaft, and the large gear is meshingly connected with the small gear.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] (1) The utility model facilitates air cooling of the bottom of the power transformer body through the cooperation between the motor, the transmission shaft and the second fan blade, and facilitates the rotation of the third shaft through the cooperation between the third bevel gear and the fourth bevel gear, the fourth shaft and the second conveyor belt, and facilitates the rotation of the second shaft through the cooperation between the fifth bevel gear and the sixth bevel gear, the fourth shaft and the first conveyor belt, and facilitates the air cooling of the side of the power transformer body through the cooperation between the second bevel gear and the first bevel gear, the first shaft and the first fan blade, so that the power transformer body can be fully cooled by only a single motor, thereby achieving energy-saving effects;

[0018] (2) The new type facilitates the close fit of the two brushes to the bottom of the filter through the cooperation between the slide plate, the slide rod and the spring, and facilitates the rotation of the driven shaft through the cooperation between the motor, the transmission shaft and the conveyor belt. The cooperation between the small gear and the large gear facilitates the rotation of the support shaft, which enables the two brushes to rotate to clean the dust on the filter, thereby preventing the filter from being blocked and eliminating the need to disassemble it for cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0020] In the attached picture:

[0021] Figure 1 This is a schematic diagram of the structure of the energy-saving cooling device for power transformers of the utility model;

[0022] Figure 2 This is a schematic diagram of the cross-sectional structure of the cooling box of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the air cooling mechanism of the utility model;

[0024] Figure 4 This is a schematic diagram of the cross-sectional structure of the air duct of the utility model;

[0025] Figure 5 This is a schematic diagram of the transmission shaft structure of the utility model;

[0026] Figure 6 This is a schematic diagram of the cleaning mechanism structure of the utility model;

[0027] Figure 7 This is a schematic diagram of the support shaft structure of the utility model.

[0028] In the figure: 1, cooling box; 2, air cooling mechanism; 201, air inlet tube; 202, fan blade 1; 203, bevel gear 1; 204, rotating shaft 1; 205, bevel gear 2; 206, rotating shaft 2; 207, conveyor belt 1; 208, filter screen; 209, sleeve plate; 2010, motor; 2011, inner plate; 2012, transmission shaft; 2013, fan blade 2; 2014, bevel gear 3; 2015, bevel gear 4; 2016, conveyor belt 2; 2017, rotating shaft 3; 2018 , bevel gear five; 2019, shaft four; 2020, bevel gear six; 2021, vertical plate one; 2022, vertical plate two; 2023, shaft five; 3, cleaning mechanism; 301, support shaft; 302, large gear; 303, small gear; 304, driven shaft; 305, L-shaped plate; 306, conveyor belt three; 307, slide plate; 308, brush; 309, slide groove; 3010, slide rod; 3011, spring; 4, power transformer body; 5, top frame; 6, dust net. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0030] Embodiment 1, by Figure 1-2 The utility model includes a cooling box 1, on which an air cooling mechanism 2 is installed, on which a cleaning mechanism 3 is installed, a top frame 5 is fixedly installed on the top of the cooling box 1, an electric transformer body 4 is arranged inside the cooling box 1, the top frame 5 is arranged on the outside of the electric transformer body 4, two heat dissipation ports are symmetrically arranged on the top frame 5, and dustproof nets 6 are installed in the two heat dissipation ports. By arranging the heat dissipation ports on the top frame 5, the heat inside the cooling box 1 is easily discharged, and at the same time, a dustproof net 6 is fixed to the inside of the heat dissipation port by bolts to prevent dust from entering the inside of the cooling box 1, and at the same time, the dustproof net 6 is easy to disassemble for cleaning.

[0031] Specifically, by Figure 3-5The air cooling mechanism 2 includes an air inlet 201 fixed to the bottom of the cooling box 1, the air inlet 201 is connected to the inside of the cooling box 1, a filter 208 is fixedly installed inside the air inlet 201, the bottom surface of the filter 208 is flush with the bottom surface of the air inlet 201, and the filter 208 is arranged to prevent external dust from entering the cooling box 1, an inner plate 2011 is fixedly installed inside the air inlet 201, a motor 2010 is fixedly installed on the top of the inner plate 2011, a transmission shaft 2012 is fixedly installed on the motor 2010, a fan blade 2 2013 is fixedly installed on the top of the transmission shaft 2012, and the inside of the cooling box 1 is symmetrically connected to two rotating shafts 204 , the ends of the two rotating shafts 1 204 close to each other are fixedly installed with fan blades 1 202, the power transformer body 4 is located between the two fan blades 1 202, the outer side of the air inlet cylinder 201 is fixedly sleeved with a sleeve plate 209, the top of the sleeve plate 209 is symmetrically rotatably connected to two rotating shafts 206, the tops of the two rotating shafts 206 extend to the interior of the cooling box 1 and are fixedly installed with bevel gears 205, the outer sides of the two rotating shafts 1 204 are fixedly installed with bevel gears 1 203, and the two bevel gears 1 203 are respectively meshed with the two bevel gears 205, the top of the sleeve plate 209 is rotatably connected with the rotating shaft 4 2019 located on the outer side of the air inlet cylinder 201, and the two rotating shafts 206 are symmetrically rotatably connected to the top of the sleeve plate 209. A conveyor belt 1 207 is connected to the shaft 206 and the shaft 4 2019. The top of the sleeve 209 is fixedly connected to a vertical plate 1 2021 and a vertical plate 2022 located between the shaft 4 2019 and the air inlet 201. The vertical plate 1 2021 and the vertical plate 2022 are arranged parallel to each other. The vertical plate 1 2021 is located between the vertical plate 2022 and the shaft 4 2019. The side of the vertical plate 2022 close to the vertical plate 1 2021 is rotatably connected to the shaft 3 2017. The end of the shaft 3 2017 away from the vertical plate 2 2022 passes through the vertical plate 1 2021 and is fixedly installed with a bevel gear 5 2018. The outer side of the shaft 4 2019 is fixedly installed with a Bevel gear six 2020, bevel gear six 2020 is meshed and connected with bevel gear five 2018, one end of vertical plate one 2021 close to vertical plate two 2022 is rotatably connected with shaft five 2023, one end of shaft five 2023 away from vertical plate one 2021 extends to the inside of air inlet cylinder 201 and is fixedly installed with bevel gear four 2015, and shaft five 2023 penetrates vertical plate two 2022 and is rotatably connected with vertical plate two 2022, bevel gear three 2014 is fixedly installed on the outer side of transmission shaft 212, bevel gear three 2014 is meshed and connected with bevel gear four 2015, and conveyor belt two 2016 is transmission-connected between shaft three 2017 and shaft five 2023;

[0032] When in use, first start the motor 2010 to drive the transmission shaft 2012 to rotate, and drive the fan blade 2 2013 to rotate to cool the bottom of the power transformer body 4. Since the bevel gear 3 2014 is meshed and connected with the bevel gear 4 2015, the rotating shaft 5 2023 is driven to rotate, and then the rotating shaft 3 2017 is driven to rotate through the conveyor belt 2 2016. Since the bevel gear 5 2018 is meshed and connected with the bevel gear 6 2020, the rotating shaft 4 2019 is driven to rotate. Then, the two rotating shafts 206 are driven to rotate through the two conveyor belts 1 207 respectively. Since the two bevel gears 1 203 are respectively meshed and connected with the two bevel gears 205, the two rotating shafts 1 204 are driven to rotate. At this time, the two fan blades 1 202 rotate to cool the side of the power transformer body 4. Finally, the power transformer body 4 can be fully cooled by only a single motor 2010, thereby achieving an energy-saving effect.

[0033] Specifically, by Figure 6-7 It is given that the cleaning mechanism 3 includes a support shaft 301 rotatably connected to the bottom of the inner plate 2011, the support shaft 301 passes through the filter 208 and is rotatably connected to the filter 208, a slide plate 307 is provided on the support shaft 301, and two brushes 308 that are both in contact with the bottom of the filter 208 are symmetrically fixedly installed on the top of the slide plate 307, and a slide groove 309 is provided on the support shaft 301, and the slide plate 307 is slidably connected to the support shaft 301 through the slide groove 309, and a slide rod 3010 is fixedly installed inside the slide groove 309, and the slide plate 307 is movably sleeved on the outer side of the slide rod 3010, and a spring is fixedly connected between the bottom of the slide plate 307 and the inner wall of the support shaft 301 3011, spring 3011 is sleeved on the outer side of slide bar 3010, an L-shaped plate 305 is fixedly installed on the top of inner plate 2011, transmission shaft 2012 penetrates L-shaped plate 305 and is rotatably connected with L-shaped plate 305, a driven shaft 304 is rotatably connected on the inner top wall of L-shaped plate 305, driven shaft 304 penetrates inner plate 2011 and is rotatably connected with inner plate 2011, a conveyor belt 306 is transmission-connected between transmission shaft 2012 and driven shaft 304, a small gear 303 is fixedly installed on the outer side of driven shaft 304, a large gear 302 is fixedly installed on the outer side of support shaft 301, and large gear 302 is meshingly connected with small gear 303;

[0034] When in use, the spring 3011 is in a compressed state in the initial state, and the two brushes 308 are in contact with the bottom of the filter 208 under the action of the elastic force of the spring 3011. When the motor 2010 is started, the transmission shaft 2012 is driven to rotate, and the driven shaft 304 is driven to rotate through the conveyor belt 306, and the small gear 303 is driven to rotate. Since the small gear 303 is meshed with the large gear 302, the support shaft 301 is driven to rotate. At the same time, the two brushes 308 rotate to clean the dust at the bottom of the filter 208, and finally the filter 208 is prevented from being blocked without having to disassemble it for cleaning.

Claims

1. An energy-saving cooling device for a power transformer, comprising a cooling box (1), characterized in that: The cooling box (1) is provided with an air cooling mechanism (2), the air cooling mechanism (2) is provided with a cleaning mechanism (3), a top frame (5) is fixedly installed on the top of the cooling box (1), a power transformer body (4) is provided inside the cooling box (1), the top frame (5) is arranged outside the power transformer body (4), two heat dissipation ports are symmetrically provided on the top frame (5), and dustproof nets (6) are installed in the two heat dissipation ports; The air cooling mechanism (2) comprises an air inlet tube (201) fixed to the bottom of the cooling box (1), the air inlet tube (201) being connected to the interior of the cooling box (1), a filter screen (208) being fixedly installed inside the air inlet tube (201), the bottom surface of the filter screen (208) being flush with the bottom surface of the air inlet tube (201), an inner plate (2011) being fixedly installed inside the air inlet tube (201), a motor (2010) being fixedly installed on the top of the inner plate (2011), a transmission shaft (2012) being fixedly installed on the motor (2010), a fan blade 2 (213) being fixedly installed on the top of the transmission shaft (2012), two rotating shafts 1 (204) being symmetrically rotatably connected inside the cooling box (1), fan blades 1 (202) being fixedly installed on the ends of the two rotating shafts 1 (204) close to each other, and the power transformer body (4) is located between the two fan blades 1 (202).

2. The energy-saving cooling device for a power transformer according to claim 1, characterized in that: The outer side of the air inlet cylinder (201) is fixedly sleeved with a sleeve plate (209), and the top of the sleeve plate (209) is symmetrically rotatably connected to two rotating shafts (206), the top ends of the two rotating shafts (206) extend into the interior of the cooling box (1) and are fixedly installed with bevel gears (205), and the outer sides of the two rotating shafts (204) are fixedly installed with bevel gears (203), and the two bevel gears (203) are respectively meshed and connected with the two bevel gears (205).

3. The energy-saving cooling device for power transformer according to claim 2 is characterized in that: The top of the sleeve plate (209) is rotatably connected to a rotating shaft four (2019) located outside the air inlet cylinder (201), and a conveyor belt one (207) is transmission-connected between the two rotating shafts two (206) and the rotating shaft four (2019).

4. The energy-saving cooling device for power transformer according to claim 2 is characterized in that: The top of the sleeve plate (209) is fixedly connected with a vertical plate 1 (2021) and a vertical plate 2 (2022) located between the rotating shaft 4 (2019) and the air inlet tube (201); the vertical plate 1 (2021) and the vertical plate 2 (2022) are arranged parallel to each other, and the vertical plate 1 (2021) is located between the vertical plate 2 (2022) and the rotating shaft 4 (2019).

5. The energy-saving cooling device for power transformer according to claim 4, characterized in that: The side of the vertical plate 2 (2022) close to the vertical plate 1 (2021) is rotatably connected to the rotating shaft 3 (217), the end of the rotating shaft 3 (2017) away from the vertical plate 2 (2022) passes through the vertical plate 1 (2021) and is fixedly installed with a bevel gear 5 (2018), and the outer side of the rotating shaft 4 (2019) is fixedly installed with a bevel gear 6 (2020), and the bevel gear 6 (2020) is meshingly connected with the bevel gear 5 (2018).

6. The energy-saving cooling device for power transformer according to claim 4, characterized in that: One end of the vertical plate one (2021) close to the vertical plate two (2022) is rotatably connected to the rotating shaft five (2023), and one end of the rotating shaft five (2023) away from the vertical plate one (2021) extends to the interior of the air inlet tube (201) and is fixedly installed with a bevel gear four (2015), and the rotating shaft five (2023) passes through the vertical plate two (2022) and is rotatably connected to the vertical plate two (2022), and the outer side of the transmission shaft (212) is fixedly installed with a bevel gear three (2014), and the bevel gear three (2014) is meshingly connected with the bevel gear four (2015), and a conveyor belt two (2016) is transmission-connected between the rotating shaft three (2017) and the rotating shaft five (2023).

7. The energy-saving cooling device for power transformer according to claim 1, characterized in that: The cleaning mechanism (3) comprises a support shaft (301) rotatably connected to the bottom of the inner plate (2011), the support shaft (301) passes through the filter (208) and is rotatably connected to the filter (208), a slide plate (307) is provided on the support shaft (301), and two brushes (308) are symmetrically fixedly mounted on the top of the slide plate (307), both of which are in contact with the bottom of the filter (208).

8. The energy-saving cooling device for power transformer according to claim 7, characterized in that: The support shaft (301) is provided with a slide groove (309), and the slide plate (307) is slidably connected to the support shaft (301) through the slide groove (309). A slide rod (3010) is fixedly installed inside the slide groove (309), and the slide plate (307) is movably sleeved on the outer side of the slide rod (3010). A spring (3011) is fixedly connected between the bottom of the slide plate (307) and the inner wall of the support shaft (301), and the spring (3011) is sleeved on the outer side of the slide rod (3010).

9. The energy-saving cooling device for power transformer according to claim 1, characterized in that: An L-shaped plate (305) is fixedly mounted on the top of the inner plate (2011); a transmission shaft (2012) passes through the L-shaped plate (305) and is rotatably connected to the L-shaped plate (305); a driven shaft (304) is rotatably connected to the inner top wall of the L-shaped plate (305); the driven shaft (304) passes through the inner plate (2011) and is rotatably connected to the inner plate (2011); and a conveyor belt 3 (306) is transmission-connected between the transmission shaft (2012) and the driven shaft (304).

10. The energy-saving cooling device for power transformer according to claim 9, characterized in that: A small gear (303) is fixedly mounted on the outer side of the driven shaft (304), and a large gear (302) is fixedly mounted on the outer side of the supporting shaft (301), and the large gear (302) is meshingly connected with the small gear (303).

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