Transformer cooling device

Abstract

The utility model discloses a transformer cooling device which comprises a shell, a mounting plate and a limiting mechanism, the shell is provided with an inner cavity, a transformer body is fixedly arranged in the inner cavity, a through groove is formed in the top wall of the inner cavity, ventilation grooves are formed in the left side wall and the right side wall of the shell respectively, and the mounting plate is transversely inserted into the inner cavity in a sliding mode above the transformer body. A fan assembly is fixedly arranged at the top of the mounting plate, a plurality of limiting grooves are concavely formed in the top of the mounting plate, the limiting mechanism comprises a plurality of insertion rods which are arranged on the top wall of the inner cavity in a sliding and penetrating mode in the vertical direction and tension springs which are arranged above the shell and arranged outside the insertion rods in a sleeving mode, and the tension springs are connected with the shell and the tops of the insertion rods; limiting blocks matched with the limiting grooves are fixedly arranged at the bottoms of the inserting rods. By means of the arrangement, the inserting rod is slidably arranged on the top wall of the inner cavity in the penetrating mode, the limiting block at the bottom of the inserting rod is clamped in the limiting groove, displacement of the mounting plate relative to the shell when the fan assembly works is avoided, and the stability of the internal structure of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of transformer equipment, and particularly relates to a transformer cooling device. Background Art

[0002] A transformer is a device that uses the principle of electromagnetic induction to change the magnitude of voltage. During operation, a large amount of heat is generated in the transformer. If the transformer cannot be cooled in time, it is prone to damage and cause safety accidents.

[0003] Chinese Patent with the publication number CN218826525U discloses a drawer-type dry-type transformer cooling fan. The solution includes an isolation housing and a fan drawer. The fan drawer is slidably connected to the center of the inner surface of the isolation housing, and a driving fan assembly is fixedly connected inside the fan drawer. By arranging the driving fan assembly in the slidable fan drawer, the fan drawer can be directly pulled out when the fan fails, facilitating the repair or replacement of the driving fan assembly.

[0004] When the above solution is in use, in order to facilitate the sliding of the fan drawer, an assembly gap needs to be reserved between the isolation housing and the fan drawer. When the driving fan assembly works, it will cause vibration, making the fan drawer move relative to the isolation housing, resulting in poor stability of the internal components of the above solution during operation. Summary of the Utility Model

[0005] The utility model aims to provide a transformer cooling device to solve the problem of poor stability of internal components in the above solution during operation.

[0006] To achieve the above purpose, the utility model provides the following technical solution:

[0007] A transformer cooling device includes a housing, a mounting plate, and a limiting mechanism. The housing has an inner cavity, in which a transformer body is fixedly arranged. A through groove is opened on the top wall of the inner cavity. Ventilation grooves are respectively arranged on the left and right side walls of the housing. The mounting plate is slidably inserted transversely above the transformer body into the inner cavity. A fan assembly is fixedly arranged on the top of the mounting plate, and a plurality of limiting grooves are recessed on the top of the mounting plate. The limiting mechanism includes a plurality of insertion rods slidably penetrating through the top wall of the inner cavity vertically, and a tension spring sleeved outside each insertion rod above the housing. The tension spring connects the housing and the top of the insertion rod, and a limiting block cooperating with the limiting groove is fixedly arranged at the bottom of the insertion rod.

[0008] The principle and effect of this technical solution:

[0009] After the transformer body is fixedly arranged in the inner cavity, the mounting plate is slidably inserted above the transformer body, and the bottom of the limiting block slides and abuts against the top of the mounting plate. At this time, the tension spring is in a stretched state. When the limiting block aligns with the limiting groove, the tension spring pulls the insertion rod downward, so that the limiting block abuts tightly against the bottom of the limiting groove under the elastic force of the tension spring, and the side wall of the limiting block slides and abuts against the inner wall of the limiting groove. At this time, the fan assembly on the mounting plate is located below the through groove. Start the fan to introduce the external cold air into the inner cavity, and after it passes through the transformer body, it flows out through the ventilation groove.

[0010] Through the above settings, the insertion rod is slidably penetrated through the top wall of the inner cavity, and the limiting block at the bottom of the insertion rod is clamped in the limiting groove, avoiding the displacement of the mounting plate relative to the housing when the fan assembly works, and improving the stability of the internal structure of the device.

[0011] In the present utility model, four limiting grooves and four insertion rods are respectively provided, and the four limiting grooves are arranged at the four corners of the top of the mounting plate. Through the above settings, the stability of the internal structure of the device can be further improved.

[0012] In the present utility model, two of the four limiting grooves are arranged on the left and right sides of the through groove respectively. The tops of the insertion rods above the two limiting grooves on the left side of the through groove and the tops of the insertion rods above the two limiting grooves on the right side of the through groove are respectively fixedly connected with pull rods. Among them, the four limiting grooves are arranged in a staggered manner in the left-right direction, so that the two pull rods are arranged in a shape of an eight. Through the above settings, it is convenient for the staff to lift the insertion rods on both sides of the through groove and improve the installation rate.

[0013] In the present utility model, baffle plates are respectively fixedly arranged on the left and right sides of the transformer body at the bottom of the mounting plate. Through the above settings, the flow direction of the air can be controlled, so that the air can fully flow in the housing to take away heat and improve the heat dissipation efficiency.

[0014] In the present utility model, mutually matching guiding and pushing inclined surfaces are respectively arranged on the rear side of the mounting plate and the front side of the limiting block.

[0015] The principle and effect of this technical solution:

[0016] In the initial state, the insertion rod is hung on the top of the inner cavity through the tension spring. When the mounting plate is slidably inserted, the guiding and pushing inclined surface on the rear side of the mounting plate contacts the guiding and pushing inclined surface on the front side of the limiting block and pushes the limiting block upward. When the bottom of the limiting block moves to be above the mounting plate, the bottom of the limiting block slides and abuts against the top of the mounting plate until the limiting block is clamped in the limiting groove.

[0017] Through the above settings, when inserting the mounting plate, it is not necessary for the staff to manually lift the insertion rod in advance, which is convenient for the staff to insert the mounting plate and further improves the installation rate.

[0018] In the present utility model, rollers are respectively rotatably arranged at the left and right ends of the mounting plate, and guide rails are respectively fixedly arranged at the tops of the left and right inner side walls of the inner cavity. The rollers are rollingly arranged on the guide rails. Through the above arrangement, the purpose of slidingly inserting the mounting plate into the inner cavity is achieved.

[0019] In the present utility model, a concave portion cooperating with the roller is arranged at the top of the guide rail. Through the above arrangement, the roller can be limited, and the stability of the internal structure of the device is further improved.

[0020] In the present utility model, a plurality of ventilation holes are arranged in an array in the ventilation groove. Through the above arrangement, the hot air in the inner cavity can conveniently flow to the outside of the housing, ensuring the cooling effect.

[0021] In the present utility model, support frames are respectively symmetrically arranged along the transverse direction on the left and right inner side walls of the inner cavity. The lower edges of the support frames are higher than the lower edges of the ventilation grooves. An installation frame is fixedly arranged at the bottom of the transformer body, and the installation frame is fixedly connected to the support frame by bolts. Through the above arrangement, the contact area between the transformer body and the air can be increased, and the cooling efficiency can be improved.

[0022] In the present utility model, filter screens are respectively magnetically connected to the top of the through groove and the outside of the ventilation groove. Through the above arrangement, dust can be prevented from flowing into the inner cavity and adhering to the transformer body, avoiding adverse effects on the transformer body. Description of the Drawings

[0023] Figure 1 Is an axonometric view of the overall structure of the present utility model;

[0024] Figure 2 Is the decomposition of the components of the present utility model Figure 1 ;

[0025] Figure 3 Is the decomposition of the components of the present utility model Figure 2 ;

[0026] Figure 4 Is the decomposition of the components of the present utility model Figure 3 ;

[0027] Figure 5 Is a partial right-side cross-sectional view of the present utility model. Detailed Description of the Preferred Embodiment

[0028] The present utility model will be further described in detail below with reference to the drawings and embodiments:

[0029] The reference numerals in the accompanying drawings of the specification include: 10, housing; 11, inner cavity; 12, through groove; 13, ventilation groove; 131, ventilation hole; 14, guide rail; 141, recess; 15, support frame; 20, transformer body; 21, mounting frame; 30, mounting plate; 31, fan assembly; 32, limiting groove; 33, roller; 34, baffle plate; 40, limiting mechanism; 41, inserting rod; 411, limiting block; 42, tension spring; 50, pull rod; 60, filter screen.

[0030] As shown in the Figures 1-5 accompanying drawings, the present utility model discloses a transformer cooling device, which includes a housing 10, a mounting plate 30 and a limiting mechanism 40. The housing 10 has an inner cavity 11, and a transformer body 20 is fixedly arranged in the inner cavity 11. A through groove 12 is opened on the top wall of the inner cavity 11. Ventilation grooves 13 are respectively arranged on the left and right side walls of the housing 10. The mounting plate 30 is slidably inserted into the inner cavity 11 horizontally above the transformer body 20. A fan assembly 31 is fixedly arranged on the top of the mounting plate 30, and a plurality of limiting grooves 32 are concavely arranged on the top of the mounting plate 30. The limiting mechanism 40 includes a plurality of inserting rods 41 slidably penetrating through the top wall of the inner cavity 11 vertically, and a tension spring 42 sleeved outside each inserting rod 41 above the housing 10. The tension spring 42 connects the housing 10 and the top of the inserting rod 41. A limiting block 411 cooperating with the limiting groove 32 is fixedly arranged at the bottom of the inserting rod 41. An opening is arranged on the front wall of the housing 10, and a sealing door is hinged at the opening.

[0031] In this embodiment, four limiting grooves 32 and four inserting rods 41 are respectively arranged, and the four limiting grooves 32 are arranged at the four corners of the top of the mounting plate 30.

[0032] In this embodiment, the four limiting grooves 32 are arranged in pairs on the left and right sides of the through groove 12. Pull rods 50 are respectively fixedly connected to the tops of the inserting rods 41 above the two limiting grooves 32 on the left side of the through groove 12 and the tops of the inserting rods 41 above the two limiting grooves 32 on the right side of the through groove 12. Among them, the four limiting grooves 32 are arranged in a staggered manner in the left-right direction, so that the two pull rods 50 are arranged in a V-shaped layout.

[0033] In this embodiment, baffle plates 34 are respectively fixedly arranged on the left and right sides of the bottom of the mounting plate 30 below the transformer body 20, and the lower edge of the baffle plate 34 is lower than the upper edge of the transformer body 20.

[0034] In this embodiment, mutually cooperating guiding and pushing inclined surfaces are respectively arranged on the rear side of the mounting plate 30 and the front side of the limiting block 411.

[0035] In this embodiment, rollers 33 are respectively rotatably arranged at the left and right ends of the mounting plate 30, and guide rails 14 are respectively fixedly arranged at the top parts of the left and right inner side walls of the inner cavity 11, and the rollers 33 are arranged to roll on the guide rails 14.

[0036] In this embodiment, a concave portion 141 adapted to cooperate with the roller 33 is provided at the top of the guide rail 14.

[0037] In this embodiment, a plurality of ventilation holes 131 are arranged in an array in the ventilation groove 13.

[0038] In this embodiment, support frames 15 are symmetrically arranged along the transverse direction on the inner walls of the left and right sides of the inner cavity 11 respectively. The lower edge of the support frame 15 is higher than the lower edge of the ventilation groove 13. An installation frame 21 is fixedly arranged at the bottom of the transformer body 20. The installation frame 21 is fixedly connected to the support frame 15 through bolts.

[0039] In this embodiment, filter nets 60 are magnetically connected to the top of the through groove 12 and the outside of the ventilation groove 13 respectively.

[0040] The specific implementation process is as follows:

[0041] After the transformer body 20 is fixedly arranged in the inner cavity 11, the mounting plate 30 is slidably inserted above the transformer body 20, and the bottom of the limiting block 411 is slidably abutted against the top of the mounting plate 30. At this time, the tension spring 42 is in a stretched state. When the limiting block 411 is aligned with the limiting groove 32, the tension spring 42 pulls the insertion rod 41 downward, so that the limiting block 411 abuts tightly against the bottom of the limiting groove 32 under the elastic force of the tension spring 42. The side wall of the limiting block 411 is slidably abutted against the inner wall of the limiting groove 32. At this time, the fan assembly 31 on the mounting plate 30 is located below the through groove 12. The fan is started to introduce the external cold air into the inner cavity 11, and after passing through the transformer body 20, it flows out through the ventilation groove 13.

[0042] In the initial state, the insertion rod 41 is hung on the top of the inner cavity 11 through the tension spring 42. When the mounting plate 30 is slidably inserted, the guiding inclined surface at the rear of the mounting plate 30 contacts the guiding inclined surface at the front of the limiting block 411 and pushes the limiting block 411 upward. When the bottom of the limiting block 411 moves to be above the mounting plate 30, the bottom of the limiting block 411 is slidably abutted against the top of the mounting plate 30 until the limiting block 411 is clamped in the limiting groove 32.

[0043] The above are only the embodiments of the present invention. Specific technical solutions or common knowledge such as known characteristics are not described in detail herein. It should be noted that for those skilled in the art, without departing from the technical solution of the present invention, several deformations and improvements can still be made, and these should also be regarded as the protection scope of the present invention, and these will not affect the implementation effect of the present invention and the practicality of the patent. The protection scope required by this application should be subject to the content of its claims, and the specific implementation manners and the like recorded in the specification can be used to interpret the content of the claims.

Claims

1. A transformer cooling device, characterized in that: include: A housing, wherein the housing has an inner cavity, a transformer body is fixedly arranged in the inner cavity, a through groove is provided on the top wall of the inner cavity, and ventilation grooves are respectively provided on the left and right side walls of the housing; A mounting plate, the mounting plate is inserted into the inner cavity by sliding in a transverse direction above the transformer body, a fan assembly is fixedly arranged on the top of the mounting plate, and a plurality of limit grooves are concavely arranged on the top of the mounting plate; The limiting mechanism includes a plurality of insertion rods vertically slidably penetrated through the top wall of the inner cavity, and a tension spring sleeved on the outside of each insertion rod above the shell, the tension spring connects the shell and the top of the insertion rod, and a limiting block cooperating with the limiting groove is fixedly provided at the bottom of the insertion rod.

2. The transformer cooling device according to claim 1, characterized in that: The limiting grooves and the inserting rods are respectively provided with four, and the four limiting grooves are arranged at the four corners of the top of the mounting plate.

3. The transformer cooling device according to claim 2, characterized in that: The four limit grooves are arranged in pairs on the left and right sides of the through groove, and the tops of the insertion rods above the two limit grooves on the left side of the through groove and the tops of the insertion rods above the two limit grooves on the right side of the through groove are respectively fixedly connected with pull rods, wherein the four limit grooves are staggered in the left and right directions so that the two pull rods are arranged in an eight-shape.

4. The transformer cooling device according to any one of claims 1 to 3, characterized in that: The bottom of the mounting plate is fixedly provided with baffles on the left and right sides of the transformer body respectively.

5. The transformer cooling device according to claim 4, characterized in that: The rear side of the mounting plate and the front side of the limiting block are respectively provided with mutually matching guiding inclined surfaces.

6. The transformer cooling device according to claim 4, characterized in that: The left and right ends of the mounting plate are respectively provided with rollers for rotation, the tops of the left and right inner walls of the inner cavity are respectively fixed with guide rails, and the rollers are rotatably provided on the guide rails.

7. The transformer cooling device according to claim 6, characterized in that: The top of the guide rail is provided with a recessed portion matched with the roller.

8. The transformer cooling device according to claim 4, characterized in that: A plurality of ventilation holes are arranged in an array in the ventilation slot.

9. The transformer cooling device according to claim 8, characterized in that: The left and right inner walls of the inner cavity are symmetrically provided with support frames in a transverse direction, the lower edge of the support frame is higher than the lower edge of the ventilation slot, and a mounting frame is fixedly provided at the bottom of the transformer body, and the mounting frame is fixedly connected to the support frame by bolts.

10. The transformer cooling device according to claim 4, characterized in that: The top of the through slot and the outer side of the ventilation slot are respectively connected with filter screens by magnetic attraction.

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