Box transformer substation heat dissipation structure capable of exhausting air from top of box

Abstract

The invention belongs to the technical field of box-type substations, and particularly relates to a box-type substation heat dissipation structure capable of exhausting air from a box top, which comprises a box body fixed at the top of a box-type substation, an air outlet is formed in one side of the box body, a plurality of louvre blades are arranged between the inner walls of the two opposite sides of the air outlet, the top of the box body is connected with a box cover through bolts, and the box cover is connected with the box top through bolts. A support is connected to the position, close to the bottom, of one side of the box body through bolts, a heat dissipation mechanism is arranged between the top of the support and the interior of the box body, a compression mechanism is arranged on one side of the top of the heat dissipation mechanism and matched with the heat dissipation mechanism, and the heat dissipation mechanism comprises a pump body, an air hood, a guide pipe and an air outlet pipe. And the bottom of the pump body is connected with the top of the support through a bolt. The flowing speed of the cold air can be increased by increasing the air pressure, and the situation that in the heat dissipation process, due to the fact that the flowing speed of the cold air is low, the cold air is dissipated, and the heat dissipation effect of the box transformer substation is affected is prevented.

Description

Technical Field

[0001] The invention relates to the field of box-type transformer substations, and in particular to a box-type transformer heat dissipation structure with box top exhaust. Background Art

[0002] Box-type transformer is also called prefabricated substation or prefabricated substation. It is a kind of factory-prefabricated indoor and outdoor compact distribution equipment that is arranged in one with high-voltage switchgear, distribution transformer and low-voltage distribution device according to a certain wiring scheme. It has the characteristics of small size, light weight and low noise. It is currently widely used in residences, enterprises, hospitals, schools and other places. Box-type transformer will generate heat when working and needs to be cooled. The cooling method is generally air cooling.

[0003] After searching, the Chinese patent application with application publication number CN221353455U discloses a ventilation device for heat dissipation of box transformers, including a three-dimensional frame and a plurality of screens, one side of the three-dimensional frame is used to cover the ventilation holes of the box transformer foundation, and the plurality of screens are respectively installed on the other ventilation surfaces of the three-dimensional frame. The application proposes a ventilation device for heat dissipation of box transformers, in which three-dimensional screens are arranged at each ventilation hole of the box transformer foundation, which can prevent the filter at the bottom of the transformer room from being blocked, and the three-dimensional screen can be cleaned conveniently and timely, thereby ensuring ventilation efficiency and ensuring effective heat dissipation of the box transformer.

[0004] When heat is dissipated inside the box-type transformer, cold air is usually transported to the inside of the heat dissipation structure through a fan, and then transferred to the inside of the box-type transformer through the heat dissipation structure, thereby facilitating heat dissipation inside the box-type transformer. However, during the heat dissipation process, the cold air may dissipate due to the slow flow rate of the cold air, thereby affecting the heat dissipation effect of the box-type transformer. Summary of the invention

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A box transformer heat dissipation structure with top exhaust, comprising a box body fixed to the top of the box transformer, an air outlet being opened on one side of the box body, and a plurality of louvers are arranged between inner walls on two sides opposite to the air outlet, a box cover is connected to the top of the box body by bolts, a support is connected to one side of the box body near the bottom by bolts, a heat dissipation mechanism is arranged between the top of the support and the inside of the box body, a compression mechanism is arranged on one side of the top of the heat dissipation mechanism, and the compression mechanism and the heat dissipation mechanism are matched with each other.

[0006] Preferably, the heat dissipation mechanism includes a pump body, an air hood, a conduit and an outlet pipe, and the bottom of the pump body is connected to the top of the support by bolts, one end of the pump body is connected to the air hood by a flange, an exhaust pipe is connected between one end of the conduit and the other end of the pump body by a flange, brackets are connected to both sides of the inner wall of the bottom of the box body by bolts, the two brackets are fixedly connected to the conduit, and a one-way valve is connected between the other end of the conduit and the outlet pipe by a flange.

[0007] Preferably, the compression mechanism comprises a rotating rod, a rotating shaft, a first transmission assembly, a shaft, a cylinder and a piston, and the bottom of the cylinder is fixedly connected to the top of the air outlet pipe, the cylinder is communicated with the air outlet pipe, a through hole is penetrated through the top of the conduit, a rotation connection is formed between the through hole and the rotating rod through a bearing, a rotating disk is welded to the bottom of the rotating rod, a plurality of blades are arranged on the circumferential outer wall of the rotating disk, a support plate is connected to one side of the box body by bolts, a rotation connection is formed between the support plate and the rotating rod through a bearing, and a fixed sleeve is provided on the outer wall of the rotating rod near the top The first bevel gear, one end of the two rotating shafts are rotatably connected to the inner walls on both sides opposite to the box body through bearings, one end of the two rotating shafts are fixedly sleeved with the second bevel gears, the two second bevel gears are meshed with the first bevel gear, the two ends of the shaft rod are rotatably connected to the inner walls on both sides opposite to the box body through bearings, the outer wall of the shaft rod is provided with a protrusion, the outer wall of the protrusion is rotatably sleeved with a shaft sleeve, the piston is slidably connected to the inner wall of the cylinder, the top of the piston is bonded with a pressure plate, and a push rod is connected between the top of the pressure plate and the shaft sleeve through a hinge.

[0008] Preferably, the first transmission assembly consists of two first pulleys and a first belt, and the two first pulleys are rotatably connected to the first belt, wherein one of the first pulleys is fixedly sleeved on the outer wall of the rotating shaft, and the other first pulley is fixedly sleeved on the outer wall of the shaft.

[0009] Preferably, a dispersion mechanism is provided inside the box, and the dispersion mechanism cooperates with the compression mechanism and the heat dissipation mechanism.

[0010] Preferably, the dispersion mechanism includes a second transmission assembly, multiple support rods, multiple dispersion blades and a gear set, and one of the support rods is connected to the shaft rod through the second transmission assembly, and multiple dispersion blades are fixed at equal distances on the circumferential outer wall of the support rod, and the two ends of the multiple support rods are rotatably connected to the inner walls on both sides opposite to each other of the box body through bearings.

[0011] Preferably, the second transmission assembly consists of two second pulleys and a second belt, and a rotational connection is formed between the two second pulleys and the second belt, wherein one second pulley is fixedly sleeved on the outer wall of the shaft rod, and the other second pulley is fixedly sleeved on the outer wall of the support rod.

[0012] Preferably, the gear set is composed of a plurality of gears, and the plurality of gears are respectively fixedly sleeved on the outer walls of a plurality of support rods, and the plurality of gears are meshed with each other.

[0013] The beneficial effects of the present invention are: The present invention provides a heat dissipation mechanism and a compression mechanism. When the heat dissipation treatment is performed on the inside of the box transformer, the heat dissipation mechanism is started, the heat dissipation mechanism extracts cold air, and delivers the cold air to the air outlet. The cold air is delivered to the inside of the box transformer through the air outlet, so as to perform heat dissipation treatment on the inside of the box transformer. During this period, the blades drive the turntable to rotate under the action of wind force, and the rotating rod drives the first bevel gear to rotate synchronously with the rotation of the turntable. At this time, the first bevel gear drives the second bevel gear to rotate through meshing, and the second bevel gear drives the shaft rod to rotate when rotating. At this time , the shaft is rotated by the first transmission mechanism, and the protrusion rotates with the rotation of the shaft. At this time, the push rod drives the pressure plate and the piston to move up and down under the action of the protrusion and the sleeve, and the piston compresses the inside of the cylinder. At this time, the air pressure inside the cylinder increases, and the cold air flows rapidly under the action of the air pressure. The increase in air pressure can increase the flow rate of the cold air, so as to improve the heat dissipation effect of the cold air on the box transformer, and prevent the cold air from dissipating due to the slow flow rate of the cold air during the heat dissipation process, thereby affecting the heat dissipation effect of the box transformer; The present invention provides a compression mechanism and a dispersion mechanism. When the shaft rotates under the action of the first transmission component, the support rod is rotated by the action of the second transmission component. At this time, the multiple support rods are rotated synchronously through the engagement between the multiple gears, and the dispersion leaves will rotate synchronously with the rotation of the support rods. The cold air can be dispersed by the rotation of the dispersion leaves, so as to increase the distribution range of the cold air, thereby improving the heat dissipation effect of the cold air on the box transformer, and preventing the small distribution range of the cold air from resulting in a limited contact range between the cold air and the box transformer, thereby affecting the heat dissipation effect of the box transformer. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of a box-type transformer heat dissipation structure with top exhaust proposed by the present invention; Figure 2 A schematic diagram of the partial structure of a box-type transformer heat dissipation structure with top exhaust proposed by the present invention; Figure 3 A schematic cross-sectional view of a box-type transformer heat dissipation structure with top exhaust proposed by the present invention; Figure 4 This is a schematic diagram of the heat dissipation mechanism, compression mechanism and dispersion mechanism of a box-type transformer heat dissipation structure with top exhaust proposed by the present invention; Figure 5A schematic diagram of the heat dissipation structure of a box transformer heat dissipation structure with top exhaust proposed by the present invention; Figure 6 This is a schematic diagram of the compression mechanism structure of a box-type transformer heat dissipation structure with box-top exhaust proposed by the present invention; Figure 7 for Figure 6 Schematic diagram of the structure at A proposed in the figure; Figure 8 This is a schematic diagram of the structure of the dispersion mechanism of a box-type transformer heat dissipation structure with top exhaust proposed by the present invention.

[0015] In the attached drawings: 1. box body; 2. air outlet; 3. louver blades; 4. box cover; 5. heat dissipation mechanism; 6. support; 7. compression mechanism; 8. dispersion mechanism; 9. pump body; 10. air cover; 11. exhaust pipe; 12. bracket; 13. conduit; 14. one-way valve; 15. air outlet pipe; 16. cylinder body; 17. rotating rod; 18. turntable; 19. blades; 20. support plate; 21. rotating shaft; 22. first belt; 23. first pulley; 24. shaft rod; 25. raised part; 26. bushing; 27. push rod; 28. pressure plate; 29. ​​piston; 30. first bevel gear; 31. second bevel gear; 32. second pulley; 33. second belt; 34. support rod; 35. dispersion blades; 36. gear. DETAILED DESCRIPTION

[0016] Example 1, reference Figure 1-Figure 7 A box transformer heat dissipation structure with top exhaust comprises a box body 1 fixed on the top of the box transformer, an air outlet 2 is opened on one side of the box body 1, and a plurality of louvers 3 are arranged between the inner walls on both sides opposite to the air outlet 2, a box cover 4 is connected to the top of the box body 1 by bolts, a support 6 is connected to one side of the box body 1 near the bottom by bolts, and a heat dissipation mechanism 5 is arranged between the top of the support 6 and the inside of the box body 1, a compression mechanism 7 is arranged on one side of the top of the heat dissipation mechanism 5, and the compression mechanism 7 and the heat dissipation mechanism 5 are matched, and the flow speed of cold air can be increased by increasing the air pressure, so as to improve the heat dissipation effect of cold air on the box transformer, and prevent the cold air from dissipating due to the slow flow speed of cold air during the heat dissipation process, thereby affecting the heat dissipation effect of the box transformer.

[0017] On the basis of the above, the heat dissipation mechanism 5 includes a pump body 9, an air hood 10, a conduit 13 and an air outlet pipe 15, and the bottom of the pump body 9 is connected to the top of the support 6 by bolts, one end of the pump body 9 is connected to the air hood 10 by a flange, one end of the conduit 13 is connected to the other end of the pump body 9 by an exhaust pipe 11 by a flange, both sides of the inner wall of the bottom of the box body 1 are connected to brackets 12 by bolts, the two brackets 12 are fixedly connected to the conduit 13, and a one-way valve 14 is connected to the other end of the conduit 13 and the air outlet pipe 15 by a flange.

[0018] On the basis of the above, the compression mechanism 7 includes a rotating rod 17, a rotating shaft 21, a first transmission assembly, a shaft 24, a cylinder 16 and a piston 29, and the bottom of the cylinder 16 is fixedly connected to the top of the air outlet pipe 15, the cylinder 16 is communicated with the air outlet pipe 15, a through hole is opened through the top of the conduit 13, and a rotation connection is formed between the through hole and the rotating rod 17 through a bearing, a rotating disk 18 is welded to the bottom of the rotating rod 17, and a plurality of blades 19 are arranged on the circumferential outer wall of the rotating disk 18, a support plate 20 is connected to one side of the box body 1 by bolts, and a rotation connection is formed between the support plate 20 and the rotating rod 17 through a bearing, and a fixed sleeve is arranged near the top of the outer wall of the rotating rod 17 A first bevel gear 30 is connected, one end of the two rotating shafts 21 is rotatably connected to the inner walls on both sides opposite to the box body 1 through bearings, one end of the two rotating shafts 21 is fixedly sleeved with a second bevel gear 31, the two second bevel gears 31 are meshed with the first bevel gear 30, both ends of the shaft rod 24 are rotatably connected to the inner walls on both sides opposite to the box body 1 through bearings, the outer wall of the shaft rod 24 is provided with a protrusion 25, the outer wall of the protrusion 25 is rotatably sleeved with a shaft sleeve 26, the piston 29 is slidably connected to the inner wall of the cylinder body 16, the top of the piston 29 is bonded with a pressure plate 28, and a push rod 27 is connected between the top of the pressure plate 28 and the shaft sleeve 26 through a hinge.

[0019] On the basis of the above, the first transmission component is composed of two first pulleys 23 and a first belt 22, and a rotational connection is formed between the two first pulleys 23 and the first belt 22, one of the first pulleys 23 is fixedly sleeved on the outer wall of the rotating shaft 21, and the other first pulley 23 is fixedly sleeved on the outer wall of the shaft 24. The heat dissipation mechanism 5 is started, and the heat dissipation mechanism 5 will extract the cold air and transport the cold air to the air outlet 2, and the cold air will be transported to the interior of the box transformer through the air outlet 2, so as to facilitate the heat dissipation of the interior of the box transformer. During this period, the blades 19 will drive the turntable 18 under the action of wind. The rotating rod 17 will rotate synchronously with the rotation of the rotating disk 18. At this time, the first bevel gear 30 drives the second bevel gear 31 to rotate through meshing, and the second bevel gear 31 will drive the shaft rod 24 to rotate when rotating. At this time, the shaft rod 24 is rotated by the first transmission mechanism, and the protrusion 25 will rotate with the rotation of the shaft rod 24. At this time, the push rod 27 will drive the pressure plate 28 and the piston 29 to reciprocate up and down under the action of the protrusion 25 and the sleeve 26, and the piston 29 will compress the interior of the cylinder 16.

[0020] Example 2, reference Figure 1-Figure 8 , a box transformer heat dissipation structure with top exhaust, compared with Example 1, on the basis of Example 1, a dispersion mechanism 8 is provided inside the box body 1, and the dispersion mechanism 8 is coordinated with the compression mechanism 7 and the heat dissipation mechanism 5.

[0021] On the basis of the above, the dispersion mechanism 8 includes a second transmission assembly, a plurality of support rods 34, a plurality of dispersion blades 35 and a gear set, and one of the support rods 34 is connected to the shaft rod 24 through the second transmission assembly, and a plurality of dispersion blades 35 are fixed at equal distances on the circumferential outer wall of the support rod 34, and the two ends of the plurality of support rods 34 are rotatably connected to the inner walls of the two opposite sides of the box body 1 through bearings, and the second transmission assembly is composed of two second pulleys 32 and a second belt 33, and a rotational connection is formed between the two second pulleys 32 and the second belt 33, and one of the second The pulley 32 is fixedly sleeved on the outer wall of the shaft 24, and another second pulley 32 is fixedly sleeved on the outer wall of the support rod 34. The gear set is composed of a plurality of gears 36, and the plurality of gears 36 are respectively fixedly sleeved on the outer walls of the plurality of support rods 34. The plurality of gears 36 are meshed with each other. The cold air can be dispersed by the rotation of the dispersion blades 35, so as to increase the distribution range of the cold air, thereby improving the heat dissipation effect of the cold air on the box transformer, and preventing the small distribution range of the cold air from resulting in a limited contact range between the cold air and the box transformer, thereby affecting the heat dissipation effect of the box transformer.

[0022] In summary, with the help of the above technical solution of the present invention: when the interior of the box transformer is subjected to heat dissipation treatment, the heat dissipation mechanism 5 is started, the heat dissipation mechanism 5 will extract the cold air and transport the cold air to the air outlet 2, and the cold air will be transported to the interior of the box transformer through the air outlet 2, so as to facilitate the heat dissipation treatment of the interior of the box transformer. During this period, the blades 19 will drive the turntable 18 to rotate under the action of wind force, and the rotating rod 17 will drive the first bevel gear 30 to rotate synchronously with the rotation of the turntable 18. At this time, the first bevel gear 30 drives the second bevel gear 31 to rotate through meshing, and the second bevel gear 31 will drive the shaft rod 24 to rotate when rotating. At this time, the shaft rod 24 is rotated by the first transmission mechanism, and the protrusion 25 will rotate with the rotation of the shaft rod 24. At this time, the push rod 27 will drive the pressure plate 28 and the piston 29 to reciprocate up and down under the action of the protrusion 25 and the sleeve 26, and the piston 29 will compress the interior of the cylinder 16. At this time , the air pressure inside the cylinder 16 will increase, and the cold air will flow rapidly under the action of the air pressure, so that the flow rate of the cold air can be increased by the increase in air pressure, so as to improve the heat dissipation effect of the cold air on the box transformer, and prevent the cold air from dissipating due to the slow flow rate of the cold air during the heat dissipation process, thereby affecting the heat dissipation effect of the box transformer. When the shaft 24 rotates under the action of the first transmission assembly, the support rod 34 is rotated by the action of the second transmission assembly. At this time, the multiple support rods 34 are rotated synchronously through the engagement between the multiple gears 36, and the dispersion leaves 35 are rotated synchronously with the rotation of the support rods 34, so that the cold air can be dispersed by the rotation of the dispersion leaves 35, so as to improve the distribution range of the cold air, thereby improving the heat dissipation effect of the cold air on the box transformer, and preventing the small distribution range of the cold air from resulting in a limited contact range between the cold air and the box transformer, thereby affecting the heat dissipation effect of the box transformer. The heat inside the box transformer will be discharged through the heat dissipation port on one side of the box transformer.

[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A box-top exhaust heat dissipation structure for a box-type transformer, comprising a box body (1) fixed on the top of the box-type transformer, characterized in that: An air outlet (2) is provided on one side of the box body (1), and a plurality of louvers (3) are arranged between inner walls on two opposite sides of the air outlet (2); a box cover (4) is connected to the top of the box body (1) by bolts; a support (6) is connected to one side of the box body (1) near the bottom by bolts; a heat dissipation mechanism (5) is arranged between the top of the support (6) and the inside of the box body (1); a compression mechanism (7) is arranged on one side of the top of the heat dissipation mechanism (5), and the compression mechanism (7) and the heat dissipation mechanism (5) are matched.

2. The box-type transformer heat dissipation structure with top exhaust according to claim 1 is characterized in that: The heat dissipation mechanism (5) comprises a pump body (9), an air cover (10), a conduit (13) and an air outlet pipe (15), wherein the bottom of the pump body (9) is connected to the top of the support (6) by bolts, one end of the pump body (9) is connected to the air cover (10) by a flange, an exhaust pipe (11) is connected between one end of the conduit (13) and the other end of the pump body (9) by a flange, brackets (12) are connected to both sides of the inner wall of the bottom of the box body (1) by bolts, the two brackets (12) are fixedly connected to the conduit (13), and a one-way valve (14) is connected between the other end of the conduit (13) and the air outlet pipe (15) by a flange.

3. The box-type transformer heat dissipation structure with top exhaust according to claim 1 is characterized in that: The compression mechanism (7) comprises a rotating rod (17), a rotating shaft (21), a first transmission assembly, a shaft (24), a cylinder (16) and a piston (29), wherein the bottom of the cylinder (16) is fixedly connected to the top of the air outlet pipe (15), the cylinder (16) and the air outlet pipe (15) are in communication, a through hole is formed through the top of the guide tube (13), a rotation connection is formed between the through hole and the rotating rod (17) via a bearing, a rotating disk (18) is welded to the bottom of the rotating rod (17), a plurality of blades (19) are arranged on the circumferential outer wall of the rotating disk (18), a support plate (20) is connected to one side of the housing (1) via bolts, the support plate (20) and the rotating rod (17) are rotationally connected via a bearing, and a fixed sleeve is formed on the outer wall of the rotating rod (17) near the top. A first bevel gear (30) is provided, one end of the two rotating shafts (21) is rotatably connected to the inner walls of the housing (1) on both sides thereof via bearings, one end of the two rotating shafts (21) is fixedly sleeved with a second bevel gear (31), the two second bevel gears (31) are meshed with the first bevel gear (30), two ends of the shaft rod (24) are rotatably connected to the inner walls of the housing (1) on both sides thereof via bearings, the outer wall of the shaft rod (24) is provided with a protrusion (25), the outer wall of the protrusion (25) is rotatably sleeved with a shaft sleeve (26), the piston (29) is slidably connected to the inner wall of the cylinder (16), a pressure plate (28) is bonded to the top of the piston (29), and a push rod (27) is connected between the top of the pressure plate (28) and the shaft sleeve (26) via a hinge.

4. The box-type transformer heat dissipation structure with top exhaust according to claim 3 is characterized in that: The first transmission assembly comprises two first pulleys (23) and a first belt (22), and the two first pulleys (23) are rotatably connected to the first belt (22), wherein one of the first pulleys (23) is fixedly sleeved on the outer wall of the rotating shaft (21), and the other first pulley (23) is fixedly sleeved on the outer wall of the shaft (24).

5. The box-type transformer heat dissipation structure with top exhaust according to claim 1 is characterized in that: A dispersion mechanism (8) is provided inside the box (1), and the dispersion mechanism (8) cooperates with the compression mechanism (7) and the heat dissipation mechanism (5).

6. The box-type transformer heat dissipation structure with top exhaust according to claim 5 is characterized in that: The dispersion mechanism (8) comprises a second transmission assembly, a plurality of support rods (34), a plurality of dispersion blades (35) and a gear set, wherein one of the support rods (34) is connected to the shaft rod (24) via the second transmission assembly, the plurality of dispersion blades (35) are fixed at equal distances on the circumferential outer wall of the support rod (34), and the two ends of the plurality of support rods (34) are rotationally connected to the inner walls of the box body (1) on both sides opposite to each other via bearings.

7. The box-type transformer heat dissipation structure with top exhaust according to claim 6 is characterized in that: The second transmission assembly is composed of two second pulleys (32) and a second belt (33), and the two second pulleys (32) and the second belt (33) are rotatably connected, wherein one of the second pulleys (32) is fixedly sleeved on the outer wall of the shaft rod (24), and the other second pulley (32) is fixedly sleeved on the outer wall of the support rod (34).

8. The box-type transformer heat dissipation structure with top exhaust according to claim 6 is characterized in that: The gear set is composed of a plurality of gears (36), and the plurality of gears (36) are respectively fixedly sleeved on the outer walls of the plurality of support rods (34), and the plurality of gears (36) are meshed with each other.

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