A transformer with high efficiency cooling

Abstract

The present invention discloses a transformer with high efficiency cooling, comprising a protective cabinet and a transformer assembly, wherein the transformer assembly is installed inside the protective cabinet, and air inlets and air exhaust ports are respectively arranged on the two side walls of the protective cabinet, and two rotatably connected windshield plates are arranged on the air inlet, and a plurality of evenly distributed windshield strips are rotatably arranged inside the air exhaust port, and a driving mechanism is arranged inside the protective cabinet, and the driving mechanism can simultaneously drive the windshield plates and the windshield strips to rotate, and an air exhaust device is arranged on the outer side wall of the air exhaust port. Compared with the prior art, the present invention has a strong exhaust and heat dissipation function, and can automatically adjust the heat dissipation effect, and is more convenient to use.

Description

Technical Field

[0001] The invention relates to the technical field of transformers, and in particular to a transformer with high efficiency cooling. Background Art

[0002] A transformer is a device that uses the principle of electromagnetic induction to change AC voltage. Its main components are the primary coil, secondary coil and iron core (magnetic core). Its main functions include: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer), etc. Transformers are basic equipment for power transmission and distribution, and are widely used in industry, agriculture, transportation, urban communities and other fields.

[0003] Traditional transformers mainly use wind power or coolant for heat dissipation and cooling. For example, the utility model patent with patent number CN218602229U discloses an energy-saving double closed-loop high-frequency and high-voltage transformer. The water inside the water-cooling chamber is cooled by a refrigeration system, and then the water pump injects the cooled water into the condenser through the liquid inlet pipe. The water in the condenser circulates and rises, and then the transformer inside is water-cooled. Finally, the water flows into the water-cooling chamber from the return pipe to complete the water-cooling cycle. Two cooling fans, one for blowing air inside and the other for sucking air inside, are used to form a through-flow to achieve air-cooling heat dissipation. Double heat dissipation is achieved in conjunction with the water-cooling heat dissipation mechanism, and the cold air inside the condenser can be better blown to the transformer, increasing the water cooling effect of the water-cooling heat dissipation mechanism.

[0004] However, the above transformer has the following defects: when the transformer is water-cooled, a condenser pipe needs to be arranged, which makes the internal structure of the transformer complicated, inconvenient for transformer production and manufacturing, and increases the production cost of the transformer. In addition, the above transformer needs to be opened manually to enhance the heat dissipation effect inside the transformer, which is cumbersome and dangerous.

[0005] In view of this, the applicant conducted in-depth research on the above issues, which led to the present case. Summary of the invention

[0006] The main purpose of the present invention is to provide a transformer with high-efficiency cooling, which has a strong ventilation and heat dissipation function and can automatically adjust the heat dissipation effect, making it more convenient to use.

[0007] In order to achieve the above object, the solution of the present invention is:

[0008] A transformer with high efficiency cooling comprises a protective cabinet and a transformer assembly, wherein the transformer assembly is installed inside the protective cabinet, and air inlets and air exhaust ports are respectively arranged on two side walls of the protective cabinet, and two rotatably connected windshield plates are arranged on the air inlet, and a plurality of evenly distributed windshield strips are rotatably arranged inside the air exhaust port, and a driving mechanism is arranged inside the protective cabinet, and the driving mechanism can simultaneously drive the windshield plates and the windshield strips to rotate, and an air exhaust device is arranged on the outer side wall of the air exhaust port;

[0009] The cam is connected with the second end of the second link, and the second end of the second link is connected with the third link, and the cam is connected with the second end of the second link.

[0010] Furthermore, a rotatably connected rotating shaft is provided in the air outlet, the rotating shaft is evenly distributed, the rotating shaft extends in a vertical direction, and the wind shield strip is sleeved and fixed on the rotating shaft.

[0011] Furthermore, the driving mechanism also includes a fourth connecting rod and a fifth connecting rod, the lower end of the fourth connecting rod is fixedly connected to the rotating rod, and the two ends of the fifth connecting rod are respectively rotatably connected to the upper ends of the fourth connecting rods on both sides.

[0012] Furthermore, a fixed sleeve is provided on the inner side wall of the protective cabinet, the rotating rod is arranged along the vertical direction, the lower end of the rotating rod is rotatably connected to the fixed sleeve, and the upper end of the rotating rod is rotatably connected to the inner side wall of the protective cabinet.

[0013] Furthermore, a temperature sensor is provided in the protection cabinet, and the temperature sensor is electrically connected to the electric push cylinder.

[0014] Furthermore, the driving mechanism also includes a push rod, a wedge-shaped push block, a rack and a gear. The push rod is arranged at both ends of the translation beam, and the push rod extends horizontally in the left and right directions. The wedge-shaped push block is connected to the end of the push rod, and the rack is slidably connected to the upper side wall inside the protective cabinet. A butt seat is provided on the inner wall of the protective cabinet, and a matching groove is provided on the side wall of the butt seat. One end side surface of the rack is butted against the inclined butt surface of the wedge-shaped push block, and the other end of the rack extends into the matching groove for sliding cooperation. An elastic member is provided in the matching groove, and both ends of the elastic member are respectively butted against the side walls of the matching groove and the side walls of the rack. The gear is sleeved on the rotating shaft, and the rack and the gear are meshed with each other for transmission.

[0015] Furthermore, a clearance hole is provided on the side wall of the protective cabinet, and the wedge-shaped push block can extend into the clearance hole and slide.

[0016] Furthermore, a guide sleeve is provided on the inner side wall of the protective cabinet, and the push rod slides through the guide sleeve.

[0017] Compared with the prior art, the beneficial effect of the present invention is that the temperature sensor senses the temperature change in the protective cabinet. When the temperature reaches a higher interval value, the driving mechanism can synchronously drive the windshield and the windshield strip to rotate, thereby controlling the opening area of ​​the air inlet and the air outlet. After that, the air is exhausted through the exhaust device, so that the internal hot air can be extracted from the air outlet. At this time, the high-temperature air inside the protective cabinet and the low-temperature air outside form convection, which can increase the circulation rate of the internal and external air, thereby greatly enhancing the cooling rate of the present invention. And the driving mechanism can accurately control the rotation angle of the windshield and the windshield strip, so that the present invention can adjust the heat dissipation rate more according to demand, and the operation is more automated and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of the appearance structure of the present invention.

[0019] Figure 2 It is another schematic three-dimensional diagram of the external structure of the present invention.

[0020] Figure 3 This is a three-dimensional diagram of the appearance structure of the present invention after the exhaust device is disassembled.

[0021] Figure 4 It is a schematic diagram of the internal structure of the present invention.

[0022] Figure 5 Another schematic diagram of the internal structure of the present invention.

[0023] Figure 6 It is a schematic diagram of the installation structure of the wedge-shaped push block in the present invention.

[0024] Figure 7It is a schematic diagram of the installation of the driving structure of the windshield strip in the present invention.

[0025] Figure 8 It is a bottom view of the cross-sectional structure of the present invention.

[0026] Fig. 9 It is a three-dimensional diagram of the appearance structure of the exhaust component.

[0027] Fig.10 Another perspective view of the appearance of the exhaust assembly.

[0028] Fig.11 It is a three-dimensional diagram of the cross-sectional structure of the exhaust component.

[0029] Fig.12 It is a three-dimensional diagram of the appearance structure of the vibration-damping connecting piece.

[0030] Fig.13 This is an enlarged view of the installation structure of the vibration-damping connector.

[0031] In the figure: protective cabinet 1, air inlet 11, air outlet 12, guide rail 13, fixed sleeve 14, top seat 15, matching groove 151, elastic member 152, clearance hole 16, guide sleeve 17, wind shield 2, rotating shaft 31, wind shield strip 32, air extraction device 4, air extraction assembly 41, upper frame 411, lower frame 412, fan 413, support rod 414, embedded groove 415, mounting plate 416, pressure plate 417, tension spring 418, positioning column 419, vibration reduction connector 42, interlocking block 421, connecting piece 422, vibration reduction spring 423, guide rod 42 4. Limit block 425, limit ring sleeve 426, give way groove 427, lubrication mechanism 43, lubrication shell cover 431, oil guide chamber 4311, installation chamber 4312, oil guide pressure pipe 432, cover 4321, limit boss 4322, oil sealing plate 433, top spring 434, translation beam 51, guide groove 511, electric push cylinder 52, slider 53, convex shaft portion 531, rotating rod 54, first connecting rod 55, second connecting rod 56, third connecting rod 57, fourth connecting rod 58, fifth connecting rod 59, push rod 61, wedge-shaped push block 62, rack 63, gear 64. DETAILED DESCRIPTION

[0032] In order to further explain the technical solution of the present invention, the present invention is described in detail below through specific embodiments.

[0033] like Figure 1-13As shown, a transformer with efficient cooling includes a protective cabinet 1 and a transformer assembly, wherein the transformer assembly is installed inside the protective cabinet 1, and an opening and a revolving door are provided on the front side of the protective cabinet 1. An air inlet 11 and an air exhaust port 12 are provided on the two side walls of the protective cabinet 1, respectively. The air inlet 11 is arranged relatively low, so that air can enter the protective cabinet 1 more easily. The air exhaust port 12 is arranged on the upper side, so that the hot air at the upper end of the protective cabinet 1 can be discharged from the protective cabinet 1 more quickly, and the external air flows from the bottom to the top in the protective cabinet 1, so that the cooling is more sufficient and efficient. The windshield 2 is rotatably connected to the upper and lower side walls of the air inlet 11 through a rotating shaft, and a plurality of evenly distributed windshield strips 32 are rotatably provided in the air exhaust port 12. Specifically, a rotatably connected rotating shaft 31 is provided in the air exhaust port 12, and the rotating shaft 31 is evenly distributed. The rotating shaft 31 extends in the vertical direction, and the windshield strip 32 is sleeved on the rotating shaft 31 and fixed. A driving mechanism is provided inside the protective cabinet 1 , and the driving mechanism can simultaneously drive the wind shield plate 2 and the wind shield strip 32 to rotate. An air exhaust device 4 is provided on the outer side wall of the air exhaust port 12 .

[0034] In this embodiment, the driving mechanism includes a translation beam 51, an electric push cylinder 52, a slider 53, a rotating rod 54, a first connecting rod 55, a second connecting rod 56, a third connecting rod 57 and a temperature sensor (not shown in the figure). The upper side wall inside the protective cabinet 1 is provided with a guide rail 13 symmetrically arranged along the front and rear directions, and the two ends of the translation beam 51 are respectively matched with the guide rail 13, so that the translation beam 51 can be fixed on the guide rail 13 and slide along the extension direction of the guide rail 13. A guide groove 511 is provided on the surface of the translation beam 51, and a slider 53 is embedded in the guide groove 511 and slides. A convex shaft portion 531 is provided on the slider 53, and a power output end of the electric push cylinder 52 is rotatably connected to the convex shaft portion 531, and the lower end of the electric push cylinder 52 is rotatably connected to the inner wall of the protective cabinet 1. The rotating rod 54 is arranged in the vertical direction, and the two ends of the rotating rod 54 are respectively rotatably connected to the protective cabinet 1. One end of the first connecting rod 55 is rotatably connected to the convex shaft portion 531 and the other end is fixedly connected to the rotating rod 54, and the lower end of the second connecting rod 56 is fixedly connected to the rotating rod 54, and the upper end of the second connecting rod 56 is rotatably connected to the lower end of the third connecting rod 57, and the upper end of the third connecting rod 57 is rotatably connected to the inner wall of the windshield 2. The temperature sensor is installed on the inner wall of the protective cabinet 1, and the temperature sensor is electrically connected to the electric push cylinder 52. After adopting the above structure, the temperature sensor senses the temperature inside the protective cabinet 1 in real time. When the temperature is too high, the electric push cylinder 52 controls the output rod to retract, driving the first connecting rod 55 to rotate around the axis of the rotating rod 54, thereby driving the rotating rod 54 to rotate. When the rotating rod 54 rotates, the second connecting rod 56 swings outward, thereby driving the third connecting rod 57 to move outward. In the process of moving outward, the third connecting rod 57 pushes the wind shield 2 to rotate, thereby opening the air inlet 11.

[0035] More preferably, the driving mechanism further includes a fourth connecting rod 58 and a fifth connecting rod 59, wherein the lower end of the fourth connecting rod 58 is fixedly connected to the rotating rod 54, and the two ends of the fifth connecting rod 59 are respectively rotatably connected to the upper ends of the fourth connecting rods 58 on both sides. After adopting the above structure, the rotating rod 54 on one side will drive the fourth connecting rod 58 to swing during the rotation process, and the fourth connecting rod 58 and the rotating rod 54 on the other side are driven to swing together through the fifth connecting rod 59, thereby improving the synchronization of the rotating rods 54 on both sides when rotating, and making the rotating rods 54 rotate more smoothly.

[0036] More preferably, a fixing sleeve 14 is provided on the inner side wall of the protective cabinet 1, and the rotating rod 54 is arranged in the vertical direction, the lower end of the rotating rod 54 is rotatably connected to the fixing sleeve 14 through a bearing, and the upper end of the rotating rod 54 is rotatably connected to the inner side wall of the protective cabinet 1 through a bearing. With the above structure, the rotating rod 54 is more firmly connected, and disassembly and maintenance are more convenient.

[0037] In this embodiment, the driving mechanism further includes a push rod 61, a wedge-shaped push block 62, a rack 63 and a gear 64. The push rod 61 is arranged at both ends of the translation beam 51, and the push rod 61 is horizontally extended in the left and right directions. The wedge-shaped push block 62 is connected to the end of the push rod 61. The rack 63 is slidably connected to the upper side wall inside the protective cabinet 1. Specifically, the rack 63 can be fixed and guided by a sliding sleeve, so that the rack 63 slides more smoothly. A support seat 15 is provided on the inner side wall of the protective cabinet 1, and a matching groove 151 is provided on the side wall of the support seat 15. One end side surface of the rack 63 is in contact with the inclined support surface of the wedge-shaped push block 62, and the other end of the rack 63 extends into the matching groove 151 for sliding cooperation. An elastic member 152 is provided in the matching groove 151, and the two ends of the elastic member 152 are respectively in contact with the side wall of the matching groove 151 and the side wall of the rack 63. In this embodiment, a spring is selected as the elastic member 152. The gear 64 is sleeved on the rotating shaft 31, and the rack 63 and the gear 64 are meshed with each other for transmission. After adopting the above structure, when the temperature is too high and the output rod of the electric push cylinder 52 retracts, the slider 53 slides along the outer direction of the guide groove 511, which can drive the translation beam 51 to slide toward the side of the air outlet 12. In the process of the translation of the translation beam 51, the wedge-shaped push block 62 is driven to translate, so that the rack 63 is pushed to translate inward. At this time, the rack 63 drives each gear 64 to rotate, thereby driving the rotating shaft 31 and the windshield strip 32 to rotate and open the air outlet 12. After that, the high-temperature air inside the protective cabinet 1 is extracted from the air outlet 12 through the air exhaust device 4.

[0038] In this embodiment, a clearance hole 16 is provided on the side wall of the protective cabinet 1, and the wedge-shaped push block can slide into the clearance hole 16. A guide sleeve 17 is provided on the inner side wall of the protective cabinet 1, and the push rod 61 slides through the guide sleeve 17 to make the push rod 61 slide more smoothly and the connection more firmly.

[0039] Compared with the prior art, the beneficial effect is that the present invention senses the temperature change in the protective cabinet 1 through the temperature sensor. When the temperature reaches a higher interval value, the driving mechanism can synchronously drive the windshield 2 and the windshield strip 32 to rotate, thereby controlling the opening area of ​​the air inlet 11 and the air outlet 12. Then, the air is exhausted through the exhaust device 4, so that the internal hot air can be extracted from the air outlet 12. At this time, the high-temperature air inside the protective cabinet 1 and the low-temperature air outside form convection, which can increase the circulation rate of the internal and external air, thereby greatly enhancing the cooling rate of the present invention. And the rotation angle of the windshield 2 and the windshield strip 32 can be accurately controlled by the driving mechanism, so that the present invention can adjust the heat dissipation rate according to demand, and the operation is more automated and convenient.

[0040] More specifically, in order to reduce the noise generated when the exhaust device 4 is working, the exhaust device 4 includes an exhaust assembly 41 and a vibration-damping connector 42. The vibration-damping connector 42 includes a mosaic block 421, a connecting plate 422 and a vibration-damping spring 423. The mosaic block 421 is detachably connected to the exhaust assembly 41, and the connecting plate 422 is fixedly connected to the side wall of the protective cabinet 1. Specifically, the connecting plate 422 is fixedly connected to the side wall of the protective cabinet 1 by screws. The interlocking block 421 and the connecting piece 422 are arranged perpendicular to each other, the side wall of the interlocking block 421 is provided with a guide rod 424, the end of the guide rod 424 is provided with a stop block 425, the upper end of the connecting piece 422 is provided with a stop ring sleeve 426, the guide rod 424 passes through the stop ring sleeve 426 for sliding cooperation, the damping spring 423 is sleeved on the guide rod 424, one end of the damping spring 423 abuts against the side wall of the interlocking block 421 and the other end abuts against the side wall of the stop ring sleeve 426, and the upper surface of the connecting piece 422 is provided with a clearance groove 427, which can provide clearance for the stop block 425 when the connecting piece 422 and the guide rod 424 slide against each other. After adopting the above structure, if the exhaust assembly 41 vibrates during operation, the damping spring 423 can reduce vibration, reduce the vibration of the protective cabinet 1, and thus reduce the working noise.

[0041] In this embodiment, the exhaust assembly 41 includes an upper frame 411, a lower frame 412, a fan 413 and a lubricating mechanism 43. The upper end of the lower frame 412 is provided with a support rod 414, and the support rod 414 includes a connecting rod section and a threaded rod section. The lower frame 412 is provided with a matching hole, and the matching hole passes through the threaded rod section. The lower surface of the upper frame 411 and the upper surface of the connecting rod section abut against each other. The threaded rod section is provided with a nut, and the nut locks the upper frame 411 to the support rod 414. There are two fans 413, and the two fans 413 are symmetrically installed on the upper frame 411, and the exhaust end of the fan 413 is arranged toward the lower frame 412. The lubricating mechanism 43 is installed on the upper frame 411, and the lubricating mechanism 43 lubricates and supports the output shaft of the fan 413. In addition, a plurality of embedded grooves 415 are provided on the side wall of the lower frame 412, and the embedded block 421 is embedded in the embedded groove 415 and fixed. After adopting the above structure, the fan 413 can be replaced more quickly, and the exhaust device 4 is convenient for maintenance and replacement.

[0042] In this embodiment, a locking mechanism is provided on the side wall of the lower frame 412, and the locking mechanism includes a mounting plate 416, a pressing plate 417, and a tension spring 418. The mounting plate 416 is symmetrically arranged on both sides of the embedding groove 415, and a positioning column 419 is provided on the side wall of the pressing plate 417. The tension spring 418 is sleeved on the positioning column 419. The two ends of the tension spring 418 are respectively fixedly connected to the side wall of the mounting plate 416 and the side wall of the pressing plate 417. The mounting plate 416 is provided with a first through hole for the positioning column 419 to pass through, and the engaging block 421 is provided with a second through hole for the positioning column 419 to pass through. The lower end of the positioning column 419 is provided with a rounded corner so that it can be better inserted into the second through hole. After adopting the above structure, during installation, the vibration-damping connector 42 is first installed on the side wall of the protective cabinet 1, and then the pressing plate 417 is pulled upward to drive the positioning column 419 away from the embedding groove 415, and then the embedding block 421 is embedded in the embedding groove 415 and the pressing plate 417 is released, so that the positioning column 419 can penetrate into the second through hole to further fix the embedding block 421. This makes the exhaust assembly 41 more firmly installed and more convenient to disassemble and assemble.

[0043] In this embodiment, the lubrication mechanism 43 includes a lubrication housing 431, an oil pressure pipe 432, an oil sealing plate 433 and a top spring 434. The lubrication housing 431 is fixedly mounted on the lower frame 412. The lubrication housing 431 is provided with an oil guide cavity 4311 and an installation cavity 4312. The oil pressure pipe 432 is slidably connected to the lubrication housing 431. The lower end of the oil pressure pipe 432 extends into the oil guide cavity 4311. The oil sealing plate 433 is connected to the oil guide cavity 4311. The lower end of the pressure pipe 432 and the side wall of the lower end of the oil pressure pipe 432 are provided with an oil guide hole, the upper end of the oil pressure pipe 432 is provided with a threaded cover 4321, the top spring 434 is sleeved on the oil pressure pipe 432, the lower end of the top spring 434 is against the lubricating shell 431 and the upper end of the top spring 434 is against the lower surface of the cover 4321, a bearing is installed in the installation cavity 4312, and the output shaft of the fan 413 cooperates with the bearing. A limiting boss 4322 is provided on the side wall of the oil pressure pipe 432, and the limiting boss 4322 can limit the oil pressure pipe 432 to prevent the oil pressure pipe 432 from detaching upward from the lubricating shell 431. After adopting the above structure, the lubricating oil can be injected from the oil pressure pipe 432 into the oil guide cavity 4311. During lubrication, it is only necessary to press the oil pressure pipe 432 downward to drive the oil sealing plate 433 to move out of the oil guide cavity 4311, and the lubricating oil can enter the installation cavity 4312 to lubricate the bearing and the output shaft of the fan 413, further reducing the friction of the output shaft of the fan 413 and reducing the noise generated when the fan 413 rotates.

[0044] When the exhaust device 4 is dissipating heat, the vibration generated by the fan 413 is offset by the vibration-damping spring 423, thereby reducing the vibration of the exhaust device on the protective cabinet 1, and then effectively reducing the noise generated during operation. In addition, the present invention can also lubricate the output shaft connection of the fan 413 through the lubrication mechanism 43, so that the output shaft of the fan 413 rotates more smoothly, further reducing the working noise. In addition, the exhaust device of the present invention is installed and fixed by the vibration-damping connector 42, which makes it more convenient to disassemble and assemble.

[0045] The above embodiments and drawings do not limit the product form and style of the present invention. Any appropriate changes or modifications made by ordinary technicians in the relevant technical field should be deemed to be within the patent scope of the present invention.

Claims

1. A transformer with high efficiency cooling, characterized in that: It comprises a protective cabinet and a transformer assembly, wherein the transformer assembly is installed inside the protective cabinet, and air inlets and air exhaust ports are respectively arranged on the two side walls of the protective cabinet, and two rotatably connected windshield plates are arranged on the air inlet, and a plurality of evenly distributed windshield strips are rotatably arranged inside the air exhaust port, and a driving mechanism is arranged inside the protective cabinet, and the driving mechanism can simultaneously drive the windshield plates and the windshield strips to rotate, and an air exhaust device is arranged on the outer side wall of the air exhaust port; The driving mechanism comprises a translation beam, an electric push cylinder, a slider, a rotating rod, a first connecting rod, a second connecting rod and a third connecting rod. The upper side wall inside the protective cabinet is provided with a symmetrically arranged guide rail, and the two ends of the translation beam are respectively slidably matched with the guide rail. A guide groove is provided on the surface of the translation beam, and the slider is embedded in the guide groove and slides. A convex shaft portion is provided on the slider, and the power output end of the electric push cylinder is rotatably connected to the convex shaft portion, and the lower end of the electric push cylinder is rotatably connected to the inner side wall of the protective cabinet. The rotating rod is arranged in a vertical direction, and the two ends of the rotating rod are respectively rotatably connected to the protective cabinet, one end of the first connecting rod is rotatably connected to the convex shaft portion and the other end is fixedly connected to the rotating rod, the lower end of the second connecting rod is fixedly connected to the rotating rod, and the upper end of the second connecting rod is connected to the third connecting rod. The lower end of the rod is rotatably connected, and the upper end of the third connecting rod is rotatably connected to the inner side wall of the windshield; the driving mechanism also includes a push rod, a wedge-shaped push block, a rack and a gear, the push rod is arranged at both ends of the translation beam, the push rod is horizontally extended in the left and right directions, the wedge-shaped push block is connected to the end of the push rod, the rack is slidably connected to the upper side wall of the inner part of the protective cabinet, a butt seat is provided on the inner wall of the protective cabinet, a matching groove is provided on the side wall of the butt seat, one end side surface of the rack is butted against the inclined butt surface of the wedge-shaped push block, and the other end of the rack extends into the matching groove for sliding cooperation, an elastic member is provided in the matching groove, and the two ends of the elastic member are respectively butted against the side walls of the matching groove and the side walls of the rack, the gear sleeve is arranged on the rotating shaft, and the rack and the gear are meshed with each other for transmission; The exhaust device comprises an exhaust assembly and a vibration-damping connecting piece, the vibration-damping connecting piece comprises a fitting block, a connecting piece and a vibration-damping spring, the fitting block is detachably connected to the exhaust assembly, the connecting piece is fixedly connected to the side wall of the protective cabinet, the fitting block and the connecting piece are arranged perpendicular to each other, the side wall of the fitting block is provided with a guide rod, the end of the guide rod is provided with a limit block, the upper end of the connecting piece is provided with a limit ring sleeve, the guide rod passes through the limit ring sleeve for sliding cooperation, the vibration-damping spring is sleeved on the guide rod, one end of the vibration-damping spring abuts against the side wall of the fitting block and the other end abuts against the side wall of the limit ring sleeve; The exhaust assembly includes an upper frame, a lower frame, a fan and a lubrication mechanism. A support rod is provided at the upper end of the lower frame. The support rod includes a connecting rod section and a threaded rod section. The lower frame is provided with a matching hole. The matching hole passes through the threaded rod section. The lower surface of the upper frame and the upper surface of the connecting rod section abut against each other. A nut is provided on the threaded rod section. The nut locks the upper frame to the support rod. The fan is mounted on the upper frame. The exhaust end of the fan is arranged toward the lower frame. The lubrication mechanism is mounted on the upper frame. The lubrication mechanism lubricates and supports the output shaft of the fan. The lubrication mechanism includes a lubrication shell, an oil guide and a pressure The oil pressure pipe is connected to the lubricating shell cover, and the lower end of the oil pressure pipe extends into the oil pressure chamber. The oil sealing plate is connected to the lower end of the oil pressure pipe. The side wall of the lower end of the oil pressure pipe is provided with an oil guide hole. The upper end of the oil pressure pipe is provided with a threaded cover. The top spring is sleeved on the oil pressure pipe. The lower end of the top spring is against the lubricating shell cover and the upper end of the top spring is against the lower surface of the cover. A bearing is installed in the installation chamber, and the output shaft of the fan cooperates with the bearing. The side walls of the lower frame are provided with a plurality of embedding grooves, and the embedding blocks are embedded in the embedding grooves for fixing; the side walls of the lower frame are provided with a locking mechanism, and the locking mechanism includes a mounting plate, a pressure plate and a tension spring, the mounting plates are symmetrically arranged on both sides of the embedding grooves, the side walls of the pressure plate are provided with positioning columns, the tension spring is sleeved on the positioning columns, and the two ends of the tension spring are respectively fixedly connected to the side walls of the mounting plate and the side walls of the pressure plate, the mounting plate is provided with a first through hole for the positioning column to pass through, and the embedding block is provided with a second through hole for the positioning column to pass through; the side walls of the oil pressure pipe are provided with a limiting boss; the connecting piece is locked and connected to the side wall of the protective cabinet by screws; the upper surface of the connecting piece is provided with a clearance groove.

2. A transformer with high efficiency cooling as claimed in claim 1, characterized in that: A rotating shaft connected in rotation is arranged in the air outlet, the rotating shaft is evenly arranged in sections, the rotating shaft extends in a vertical direction, and the wind shield strip is sleeved on the rotating shaft and fixed.

3. A transformer with high efficiency cooling as claimed in claim 2, characterized in that: The driving mechanism further comprises a fourth connecting rod and a fifth connecting rod. The lower end of the fourth connecting rod is fixedly connected to the rotating rod, and the two ends of the fifth connecting rod are respectively rotatably connected to the upper ends of the fourth connecting rods on both sides.

4. A transformer with high efficiency cooling as claimed in claim 3, characterized in that: A fixing sleeve is arranged on the inner side wall of the protection cabinet, and the rotating rod is arranged along the vertical direction. The lower end of the rotating rod is rotatably connected to the fixing sleeve, and the upper end of the rotating rod is rotatably connected to the inner side wall of the protection cabinet.

5. A transformer with high efficiency cooling as claimed in claim 3, characterized in that: A temperature sensor is arranged in the protection cabinet, and the temperature sensor is electrically connected to the electric push cylinder.

6. A transformer with high efficiency cooling as claimed in claim 1, characterized in that: A clearance hole is arranged on the side wall of the protection cabinet, and the wedge-shaped push block can extend into the clearance hole and slide.

7. A transformer with high efficiency cooling as claimed in claim 6, characterized in that: A guide sleeve is provided on the inner side wall of the protective cabinet, and the push rod passes through the guide sleeve for sliding fit.

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