Constant power constant voltage adjustable voltage regulator

Abstract

The application discloses a constant-power constant-voltage adjustable voltage device and relates to the field of voltage devices, which comprises a transformer main body, a mounting seat, an air-guiding flow stirring piece arranged between the transformer main body and an electromagnetic winding and a commutation driving unit arranged on the top of the mounting seat. When the transmission connecting rod rotates, the bottom plate presses one end of the movable pressing rod, so that the second movable plate moves horizontally along the guide rod, the first movable plate moves towards the supporting plate, air between the first movable plate and the supporting plate is sprayed through the air holes on the air pipe, the worm drives the air pipe to rotate through the worm wheel, the air hole spraying range is increased, the flowability of the air with heat in the transformer main body is improved, the corrugated expansion pipe is contracted and restored when the positioning sliding block moves upwards relative to the mounting seat, the heat dissipation efficiency of the whole device is improved in cooperation with the heat dissipation fins, and the service life of the transformer is prolonged.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of voltage transformer, in particular to a constant power constant voltage adjustable voltage transformer. BACKGROUND

[0002] The power transformer is a kind of static electrical equipment, simply referred to as voltage transformer, which is used to change the AC voltage of a certain value into another or several different voltage values with the same frequency. The transformer is a device for changing AC voltage by using the principle of electromagnetic induction. The main components are primary coil, secondary coil and iron core. The main functions include voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization, etc.

[0003] Generally, by driving the slider to move along the secondary winding, the number of turns of the secondary winding is changed, so that the output voltage of the transformer is continuously linearly regulated between 5% and 100% of the maximum output voltage. During use, the inside of the transformer is in a sealed state, which causes poor flowability of the air with heat inside the transformer and low heat dissipation efficiency. During use, the temperature of the transformer rises, which shortens the service life of the insulation material and the transformer oil, thereby shortening the service life of the transformer. SUMMARY

[0004] The present application aims to solve the problem of low heat dissipation efficiency of the transformer and provide a constant power constant voltage adjustable voltage transformer.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a constant power constant voltage adjustable voltage transformer, comprising a transformer main body, a heat sink is installed on the transformer main body, an electromagnetic winding is arranged in the transformer main body, an installation seat is installed on the top of the transformer main body, an air induction stirring member connected with the installation seat is arranged between the transformer main body and the electromagnetic winding, and a reversing driving unit is arranged on the top of the installation seat.

[0006] The air entraining flow member comprises a support frame mounted on the top of the mounting seat, a corrugated expansion pipe extending to the inside of the transformer body is mounted in the mounting seat, a bottom plate is arranged at the bottom of the corrugated expansion pipe, a positioning sliding block is arranged on the top of the bottom plate and located inside the corrugated expansion pipe, a transmission connecting rod is rotatably connected to the inner side of the support frame through a bearing, a reciprocating screw rod connected to the bottom of the transmission connecting rod is arranged on the inner side of the positioning sliding block, a movable pressure rod is rotatably connected to the bottom of the bottom plate through a rotating shaft, a second movable plate is arranged at the end of the movable pressure rod away from the bottom plate, a positioning plate is mounted on the inner wall of the transformer body, a guide rod is arranged on the positioning plate, the second movable plate is slidably connected with the guide rod, a worm wheel is rotatably connected to the top of the second movable plate through a bearing, an air pipe penetrating through the second movable plate is arranged on the inner side of the worm wheel, air holes are formed in the air pipe, a worm is arranged on the top of the second movable plate and engaged with the worm wheel, spur gears are mounted at the two ends of the worm, a positioning rack engaged with the spur gears is arranged on the positioning plate, an annular bin located below the worm wheel is connected to the air pipe, a first movable plate is connected to one side of the annular bin, a rectangular expansion sleeve is arranged on the side of the first movable plate away from the annular bin, a supporting plate connected with the inner wall of the transformer body is mounted at the end of the rectangular expansion sleeve away from the first movable plate.

[0007] As a further scheme of the present application, the number of movable pressure rods is multiple, and the multiple movable pressure rods are equidistantly distributed along the center of the bottom plate.

[0008] As a further scheme of the present application, the top of the positioning sliding block is provided with a crescent pin matched with the reciprocating screw rod, and the centers of the transmission connecting rod, the reciprocating screw rod, the bottom plate and the corrugated expansion pipe are coaxial.

[0009] As a further scheme of the present application, the inner wall diameter of the mounting seat is equal to the inner wall diameter of the corrugated expansion pipe, and a sealing gasket is arranged at the connection between the mounting seat and the top of the transformer body.

[0010] As a further scheme of the present application, a through hole with a diameter larger than that of the air pipe is arranged on the second movable plate, and the centers of the air pipe and the worm wheel are coaxial.

[0011] As a further further scheme of the present application: the reversing drive unit comprises an inner link ring mounted on the outer side of the support frame, the outer wall of the inner link ring is rotatably connected with an outer link ring through a bearing, the outer wall of the outer link ring is mounted with a U-shaped frame, the top of the U-shaped frame is provided with a positioning bin located above the inner link ring, the inner side of the positioning bin is provided with a rotating connecting shaft extending to the outside of the positioning bin, the top of the transmission connecting rod is provided with a second transmission bevel gear, the rotating connecting shaft is provided with a first transmission bevel gear located outside the positioning bin and engaged with the second transmission bevel gear, the rotating connecting shaft is provided with a rotating plate located inside the positioning bin, the top of the positioning bin is provided with a gas guide pipe, the edge of the rotating plate extends to the inside of the gas guide pipe, the two ends of the gas guide pipe are mounted with gas collecting covers, the outer wall of the gas guide pipe is mounted with a support column, and the top of the support column is provided with a wind direction guide plate.

[0012] As a further further scheme of the present application: the minimum diameter of one end of the gas collecting cover is greater than the internal diameter of the gas guide pipe.

[0013] As a further further scheme of the present application: the wind direction guide plate is a Y-shaped structure, and the vertical central axis of the wind direction guide plate is aligned with the vertical central axis of the outer link ring.

[0014] As a further further scheme of the present application: the number of the positioning bins is two, and the two positioning bins are symmetrically distributed along the vertical central axis of the wind direction guide plate, and the support column is coaxial with the center of the transmission connecting rod.

[0015] As a further further scheme of the present application: the diameter of the first transmission bevel gear is greater than the diameter of the second transmission bevel gear, and the top of the positioning bin is provided with a through hole extending to the inside of the gas guide pipe.

[0016] Compared with the prior art, the present application has the following advantages:

[0017] 1. By setting the air guide stirring piece, when the transmission connecting rod rotates, the bottom plate presses one end of the movable pressure rod, so that the second movable plate moves horizontally along the guide rod, so that the first movable plate moves towards the supporting plate, so that the air between the first movable plate and the supporting plate is sprayed through the air holes on the air pipe, and the worm drives the air pipe to rotate through the worm gear, so as to increase the air injection range of the air hole, improve the flow of the air with heat in the transformer body, and prolong the service life of the transformer.

[0018] 2、By setting the reversing drive unit, when the wind blows through the transformer main body wind direction guide plate will swing with the wind blowing, in the process of wind direction guide plate will through the swing of the air duct to make the U-shaped frame rotation, so that the outer link relative to the inner link ring rotation, in the process of the first transmission bevel gear is always in meshing state with the second transmission bevel gear, so as to make the air duct with the same direction of the wind, when the wind through the air duct will play the edge of the rotating plate, at this time the rotating plate will relative to the positioning warehouse rotation, so as to make the rotating plate driven rotating shaft rotation, rotating shaft rotation will be through the first transmission bevel gear driven second transmission bevel gear rotation, so as to make the transmission connecting rod with the second transmission bevel gear rotation, thus for the transmission connecting rod provides the rotating force. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the whole structure schematic diagram of the application;

[0020] Figure 2 It is the internal structure schematic diagram of the transformer main body of the application;

[0021] Figure 3 It is the connection schematic diagram of the mounting seat and the air pipe of the application;

[0022] Figure 4 It is the connection schematic diagram of the positioning warehouse and the mounting seat of the application;

[0023] Figure 5 It is the internal structure schematic diagram of the corrugated expansion pipe of the application;

[0024] Figure 6 It is the internal structure schematic diagram of the positioning warehouse of the application;

[0025] Figure 7 It is the connection schematic diagram of the supporting plate and the air pipe of the application;

[0026] Figure 8 It is the connection schematic diagram of the positioning plate and the second movable plate of the application.

[0027] In the figure: 1, transformer main body; 2, fin; 3, electromagnetic winding; 4, positioning bin; 5, mounting seat; 6, positioning plate; 7, supporting plate; 8, corrugated expansion pipe; 9, bottom plate; 10, air guide pipe; 11, wind direction guide plate; 12, movable pressing rod; 13, air pipe; 14, annular bin; 15, first movable plate; 16, rotating plate; 17, first transmission bevel gear; 18, supporting frame; 19, inner link; 20, outer link; 21, transmission connecting rod; 22, second transmission bevel gear; 23, U-shaped frame; 24, gas collecting cover; 25, rotating connecting shaft; 26, reciprocating screw rod; 27, positioning sliding block; 28, supporting column; 29, positioning rack; 30, worm wheel; 31, second movable plate; 32, rectangular expansion sleeve; 33, air hole; 34, worm; 35, spur gear; 36, guide rod. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0029] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "arrangement" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. The embodiments of the present application will be described below according to the overall structure of the present application.

[0030] Please refer to Figures 1-8The embodiment of the application discloses a constant power and constant voltage adjustable voltage device, which comprises a transformer body 1, a heat dissipation fin 2 is installed on the transformer body 1, an electromagnetic winding 3 is arranged in the transformer body 1, a mounting seat 5 is installed on the top of the transformer body 1, an air induction and flow stirring part is arranged between the transformer body 1 and the electromagnetic winding 3 and connected with the mounting seat 5, a reversing driving unit is arranged on the top of the mounting seat 5.

[0031] The air induction and flow stirring part comprises a support frame 18 installed on the top of the mounting seat 5, a corrugated expansion pipe 8 extending to the inside of the transformer body 1 is installed in the mounting seat 5, a bottom plate 9 is arranged on the bottom of the corrugated expansion pipe 8, a positioning sliding block 27 is arranged on the top of the bottom plate 9 and located in the inside of the corrugated expansion pipe 8, a transmission connecting rod 21 is rotatably connected to the inside of the support frame 18 through a bearing, a reciprocating screw rod 26 is arranged in the inside of the positioning sliding block 27 and connected with the bottom of the transmission connecting rod 21, a movable pressing rod 12 is rotatably connected to the bottom of the bottom plate 9 through a rotating shaft, a second movable plate 31 is arranged on the end of the movable pressing rod 12 away from the bottom plate 9, a positioning plate 6 is installed on the inner wall of the transformer body 1, a guide rod 36 is arranged on the positioning plate 6, the second movable plate 31 is slidably connected with the guide rod 36, a worm wheel 30 is rotatably connected to the top of the second movable plate 31 through a bearing, a gas pipe 13 penetrating through the second movable plate 31 is arranged in the inside of the worm wheel 30, a gas hole 33 is formed in the gas pipe 13, a worm 34 is arranged on the top of the second movable plate 31 and engaged with the worm wheel 30, spur gears 35 are installed on the two ends of the worm 34, a positioning rack 29 is arranged on the positioning plate 6 and engaged with the spur gears 35, a ring-shaped bin 14 is connected to the gas pipe 13 and located below the worm wheel 30, a first movable plate 15 is connected to one side of the ring-shaped bin 14, a rectangular expansion sleeve 32 is arranged on the side of the first movable plate 15 away from the ring-shaped bin 14, and a supporting plate 7 is installed on the end of the rectangular expansion sleeve 32 away from the first movable plate 15 and connected with the inner wall of the transformer body 1.

[0032] In this embodiment, when the wind blows through the transformer body 1, the air entraining flow element drives the transmission connecting rod 21 to rotate, at this time the positioning sliding block 27 will move up and down along the reciprocating wire rod 26, when the positioning sliding block 27 moves downward relative to the mounting seat 5, the corrugated expansion pipe 8 expands, at the same time the bottom plate 9 presses one end of the movable pressure rod 12, so that the second movable plate 31 moves horizontally along the guide rod 36, so that the second movable plate 31 moves towards the positioning plate 6, in this process, the air pipe 13 extrudes the first movable plate 15 through the annular bin 14, the first movable plate 15 moves towards the supporting plate 7, at the same time the rectangular expansion sleeve 32 contracts, so that the air between the first movable plate 15 and the supporting plate 7 is sprayed out through the air hole 33 on the air pipe 13, at the same time the straight gear 35 rotates along the positioning rack 29, so that the worm 34 drives the air pipe 13 to rotate through the worm wheel 30, so as to increase the air injection range of the air hole 33, improve the flow of air with heat in the transformer body 1, when the positioning sliding block 27 moves upward relative to the mounting seat 5, the corrugated expansion pipe 8 contracts and restores, at this time the second movable plate 31 moves away from the positioning plate 6, at this time the air around the air pipe 13 enters between the supporting plate 7 and the first movable plate 15 due to the negative pressure between the first movable plate 15 and the supporting plate 7, which cooperates with the cooling fin 2 to improve the overall heat dissipation efficiency of the equipment, prolong the service life of the transformer.

[0033] Please refer to Figure 2 、 Figure 3 、 Figure 4 , the number of movable pressure rods 12 is set to be multiple, and the multiple movable pressure rods 12 are distributed equidistantly along the center of the bottom plate 9.

[0034] In this embodiment, the structure is set to improve the air suction and injection range of the air pipe 13, and further improve the flow of air with heat in the transformer body 1.

[0035] Please refer to Figure 5 , the top of the positioning sliding block 27 is provided with a crescent pin matched with the reciprocating wire rod 26, the center of the transmission connecting rod 21, the reciprocating wire rod 26, the bottom plate 9 and the corrugated expansion pipe 8 is coaxial.

[0036] In this embodiment, the structure is set to realize the vertical up and down movement of the bottom plate 9, and prevent the corrugated expansion pipe 8 from deviating when expanding and contracting with the movement of the bottom plate 9.

[0037] Please refer to Figure 1 、 Figure 5 , the inner wall diameter of the mounting seat 5 is equal to the inner wall diameter of the corrugated expansion pipe 8, and a sealing gasket is arranged at the connection between the mounting seat 5 and the top of the transformer body 1.

[0038] In this embodiment, the corrugated expansion pipe 8 is arranged to prevent outside air from entering the transformer body 1 through the mounting seat 5.

[0039] Please refer to Figure 7 , Figure 8 , the second movable plate 31 is provided with a through hole with a diameter larger than that of the air pipe 13, and the air pipe 13 and the worm 30 are coaxial.

[0040] In this embodiment, the air pipe 13 is arranged to prevent friction with the second movable plate 31 during rotation, thereby prolonging the service life of the air pipe 13 and the second movable plate 31.

[0041] Please refer to Figure 1 , Figure 2 , Figure 4 , Figure 6 , the reversing drive unit includes an inner link ring 19 mounted on the outer side of the support frame 18, the outer wall of the inner link ring 19 is rotatably connected with an outer link ring 20 through a bearing, the outer wall of the outer link ring 20 is mounted with a U-shaped frame 23, the top of the U-shaped frame 23 is provided with a positioning bin 4 located above the inner link ring 19, the inner side of the positioning bin 4 is provided with a rotating connecting shaft 25 extending to the outside of the positioning bin 4, the top of the transmission connecting rod 21 is provided with a second transmission bevel gear 22, the rotating connecting shaft 25 is provided with a first transmission bevel gear 17 located outside the positioning bin 4 and engaged with the second transmission bevel gear 22, the rotating connecting shaft 25 is provided with a rotating plate 16 located inside the positioning bin 4, the top of the positioning bin 4 is provided with a gas guide pipe 10, the edge of the rotating plate 16 extends to the inside of the gas guide pipe 10, the two ends of the gas guide pipe 10 are mounted with a gas collecting cover 24, the outer wall of the gas guide pipe 10 is mounted with a support column 28, and the top of the support column 28 is provided with a wind direction guide plate 11.

[0042] In this embodiment, when the wind blows through the transformer body 1, the wind direction guide plate 11 will swing with the blowing of the wind, and in this process, the wind direction guide plate 11 will drive the gas guide pipe 10 to swing to make the U-shaped frame 23 rotate, so that the outer link ring 20 rotates relative to the inner link ring 19, and in this process, the first transmission bevel gear 17 is always in engagement with the second transmission bevel gear 22, so as to make the direction of the gas guide pipe 10 the same as the wind direction, and when the wind passes through the gas guide pipe 10, it will move the edge of the rotating plate 16, at this time the rotating plate 16 will rotate relative to the positioning bin 4, so as to make the rotating plate 16 drive the rotating connecting shaft 25 to rotate, and when the rotating connecting shaft 25 rotates, it will drive the second transmission bevel gear 22 to rotate through the first transmission bevel gear 17, so as to make the transmission connecting rod 21 rotate with the second transmission bevel gear 22, thereby providing the transmission connecting rod 21 with a rotating force.

[0043] Please refer to Figure 4 , Figure 6The minimum diameter of one end of the gas collecting cover 24 is greater than the inner diameter of the air duct 10.

[0044] In this embodiment, the wind speed is increased when the wind passes through the inner part of the air duct 10 by setting this structure, thereby improving the rotation efficiency of the rotating plate 16.

[0045] Please pay attention to Figure 4 , Figure 6 The wind direction guide plate 11 is in Y-shaped structure, and the vertical central axis of the wind direction guide plate 11 is aligned with the vertical central axis of the outer ring 20.

[0046] In this embodiment, the wind direction guide plate 11 swings with the change of the wind direction, so that the air flow always passes through the air duct 10 by setting this structure.

[0047] Please pay attention to Figure 4 The number of the positioning bin 4 is set to two, and the two positioning bins 4 are symmetrically distributed along the vertical central axis of the wind direction guide plate 11, and the center of the support column 28 is coaxial with the center of the transmission connecting rod 21.

[0048] In this embodiment, the stability of the rotation of the wind direction guide plate 11 is improved by setting this structure.

[0049] Please pay attention to Figure 4 The diameter of the first transmission bevel gear 17 is greater than the diameter of the second transmission bevel gear 22, and the top of the positioning bin 4 is provided with a through hole extending into the inner part of the air duct 10.

[0050] In this embodiment, the rotation speed of the transmission connecting rod 21 is greater than the rotation speed of the first transmission bevel gear 17 when the rotating plate 16 rotates by setting this structure, which further improves the flowability of the air with heat in the inner part of the transformer main body 1.

[0051] Working principle: when the wind blows through the transformer body 1, the wind direction guide plate 11 will swing with the wind blowing, in the process, the wind direction guide plate 11 will drive the swing of the air duct 10 to make the U-shaped frame 23 rotate, so that the outer link ring 20 rotates relative to the inner link ring 19, in the process, the first transmission bevel gear 17 is always in meshing state with the second transmission bevel gear 22, so as to make the direction of the air duct 10 same as the wind direction, when the wind passes through the air duct 10, the edge of the rotating plate 16 will be moved, at this time the rotating plate 16 will rotate relative to the positioning bin 4, so as to make the rotating plate 16 drive the rotating connecting shaft 25 to rotate, the rotating connecting shaft 25 rotates will drive the second transmission bevel gear 22 through the first transmission bevel gear 17, so as to make the transmission connecting rod 21 rotate with the second transmission bevel gear 22, thereby providing the rotating force for the transmission connecting rod 21, at this time the positioning slider 27 will move up and down along the reciprocating wire rod 26, when the positioning slider 27 moves downward relative to the mounting seat 5, the corrugated expansion pipe 8 expands, at the same time the bottom plate 9 presses one end of the movable pressure rod 12, so as to make the second movable plate 31 move along the guide rod 36, thereby making the second movable plate 31 move towards the positioning plate 6, in the process, the air pipe 13 extrudes the first movable plate 15 through the annular bin 14, the first movable plate 15 will move towards the supporting plate 7, at the same time the rectangular expansion sleeve 32 contracts, so as to make the air between the first movable plate 15 and the supporting plate 7 be sprayed out through the air hole 33 on the air pipe 13, at the same time the spur gear 35 will rotate along the positioning rack 29, so that the worm 34 drives the air pipe 13 to rotate through the worm wheel 30, so as to increase the jet range of the air hole 33, improve the flow of the air with heat in the transformer body 1, when the positioning slider 27 moves upward relative to the mounting seat 5, the corrugated expansion pipe 8 contracts and restores, at this time the second movable plate 31 moves away from the positioning plate 6, at this time the air around the air pipe 13 will enter between the supporting plate 7 and the first movable plate 15 due to the negative pressure between the first movable plate 15 and the supporting plate 7, cooperate with the cooling fin 2 to improve the overall heat dissipation efficiency of the equipment, prolong the service life of the transformer.

[0052] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A constant power constant voltage adjustable voltage device comprising a transformer body (1), characterized in that, The transformer body (1) is provided with a heat sink (2), the inside of the transformer body (1) is provided with an electromagnetic winding (3), the top of the transformer body (1) is provided with a mounting seat (5), the transformer body (1) and the electromagnetic winding (3) are provided with an air guide flow element connected with the mounting seat (5), the top of the mounting seat (5) is provided with a commutation driving unit; The air guide flow element comprises a supporting frame (18) mounted on the top of the mounting seat (5), the inside of the mounting seat (5) is provided with a corrugated expansion pipe (8) extending to the inside of the transformer body (1), the bottom of the corrugated expansion pipe (8) is provided with a bottom plate (9), the top of the bottom plate (9) is provided with a positioning sliding block (27) located in the inside of the corrugated expansion pipe (8). The air guide flow element further comprises a transmission connecting rod (21) rotatably connected to the inside of the supporting frame (18), the inside of the positioning sliding block (27) is provided with a reciprocating screw rod (26) connected with the bottom of the transmission connecting rod (21), the bottom of the bottom plate (9) is rotatably connected with a movable pressure rod (12) through a rotating shaft, one end of the movable pressure rod (12) away from the bottom plate (9) is provided with a second movable plate (31), the inner wall of the transformer body (1) is provided with a positioning plate (6), the positioning plate (6) is provided with a guide rod (36), the second movable plate (31) is slidably connected with the guide rod (36), the top of the second movable plate (31) is rotatably connected with a worm wheel (30) through a bearing, the inside of the worm wheel (30) is provided with an air pipe (13) penetrating through the second movable plate (31), the air pipe (13) is provided with an air hole (33), the top of the second movable plate (31) is provided with a worm (34) engaged with the worm wheel (30), the two ends of the worm (34) are provided with a spur gear (35), the positioning plate (6) is provided with a positioning rack (29) engaged with the spur gear (35), the air pipe (13) is connected with a ring-shaped bin (14) located below the worm wheel (30), one side of the ring-shaped bin (14) is connected with a first movable plate (15), one side of the first movable plate (15) away from the ring-shaped bin (14) is provided with a rectangular telescopic sleeve (32), one end of the rectangular telescopic sleeve (32) away from the first movable plate (15) is provided with a supporting plate (7) connected with the inner wall of the transformer body (1), the number of the movable pressure rods (12) is multiple, and the multiple movable pressure rods (12) are distributed equidistantly along the center of the bottom plate (9).

2. A constant power constant voltage adjustable voltage device according to claim 1, wherein, The top of the positioning sliding block (27) is provided with a crescent pin matched with the reciprocating screw rod (26), the centers of the transmission connecting rod (21), the reciprocating screw rod (26), the bottom plate (9) and the corrugated expansion pipe (8) are coaxial.

3. A constant power constant voltage adjustable voltage device according to claim 1, wherein, The inner wall diameter of the mounting seat (5) is equal to the inner wall diameter of the corrugated expansion pipe (8), and the connection between the mounting seat (5) and the top of the transformer body (1) is provided with a sealing gasket.

4. The adjustable constant power and constant voltage regulator of claim 1, wherein, The second movable plate (31) is provided with a through hole with a diameter larger than that of the air pipe (13), and the centers of the air pipe (13) and the worm wheel (30) are coaxial.

5. The adjustable constant power and constant voltage regulator of claim 1, wherein, The reversing driving unit comprises an inner link ring (19) mounted outside the support frame (18), an outer wall of the inner link ring (19) is rotationally connected with an outer link ring (20) through a bearing, an outer wall of the outer link ring (20) is mounted with a U-shaped frame (23), a top of the U-shaped frame (23) is provided with a positioning bin (4) above the inner link ring (19), an inner side of the positioning bin (4) is provided with a rotating connecting shaft (25) extending to an outside of the positioning bin (4), a top of the transmission connecting rod (21) is provided with a second transmission bevel gear (22), the rotating connecting shaft (25) is provided with a first transmission bevel gear (17) outside the positioning bin (4) and engaged with the second transmission bevel gear (22), the rotating connecting shaft (25) is provided with a rotating plate (16) inside the positioning bin (4), a top of the positioning bin (4) is provided with a gas guide pipe (10), an edge of the rotating plate (16) extends to an inside of the gas guide pipe (10), both ends of the gas guide pipe (10) are mounted with a gas collecting cover (24), an outer wall of the gas guide pipe (10) is mounted with a support column (28), a top of the support column (28) is provided with a wind direction guide plate (11).

6. A constant power constant voltage adjustable voltage device according to claim 5, wherein, The minimum diameter of one end of the gas collecting cover (24) is greater than the inner diameter of the gas guide pipe (10).

7. A constant power constant voltage adjustable voltage device according to claim 5, wherein, The wind direction guide plate (11) is a Y-shaped structure, and a vertical central axis of the wind direction guide plate (11) is aligned with a vertical central axis of the outer link ring (20).

8. A constant power constant voltage adjustable voltage device according to claim 5, wherein, The positioning bin (4) is provided in two numbers, and the two positioning bins (4) are symmetrically distributed along the vertical central axis of the wind direction guide plate (11), and the support column (28) is coaxial with the center of the transmission connecting rod (21).

9. The adjustable constant power and constant voltage regulator of claim 5, wherein, The diameter of the first transmission bevel gear (17) is greater than the diameter of the second transmission bevel gear (22), and the top of the positioning bin (4) is provided with a through hole extending to the inside of the gas guide pipe (10). The diameter of the first transmission bevel gear (17) is greater than the diameter of the second transmission bevel gear (22), and the top of the positioning bin (4) is provided with a through hole extending to the inside of the gas guide pipe (10).

Images