Modular split-phase power electronic transformer enhanced structure

Abstract

The utility model discloses a modularized split-phase type power electronic transformer enhanced structure which comprises an enhanced transformer shell, a modularized split-phase type power electronic transformer body fixedly connected with the enhanced transformer shell is arranged in the enhanced transformer shell, the bottom of the enhanced transformer shell is fixedly connected with a base, and the base is fixedly connected with a motor. A first lead screw rotationally connected with the base penetrates through the base, a handle is fixedly connected to the end, away from the base, of the first lead screw, the outer wall of the first lead screw is sleeved with two movable plates in threaded connection with the first lead screw, and a second lead screw rotationally connected with the movable plate penetrates through each movable plate. The front end of each second lead screw is fixedly connected with a handle. The positions of the four C-shaped plates and the locking bolts can be adjusted by rotating the handle and the handle, so that the locking bolts are matched with pre-formed mounting holes, and the power electronic transformer is mounted and fixed.

Description

TECHNICAL FIELD

[0001] The utility model relates to power electronic transformer technical field especially relates to a modularization split phase formula power electronic transformer enhanced structure. BACKGROUND

[0002] As a new type of electric energy conversion device, power electronic transformer has the advantages of small size, light weight, high efficiency and power quality control, and becomes the key equipment of future smart grid and energy internet.

[0003] The existing power electronic transformer is installed on the outdoor transformer substation, and the transformer is installed in the pre-set mounting hole through the bolt, but the size specification of the existing power electronic transformer is different, which leads to inconsistent bolt position on the power electronic transformer of different specifications, so that the bolt cannot be installed in the pre-set mounting hole, and the installation and fixation of different power electronic transformers are completed; in order to solve the above problems, a modularization split phase formula power electronic transformer enhanced structure is provided in the application. SUMMARY

[0004] The utility model discloses a modularization split phase formula power electronic transformer enhanced structure is provided to solve the shortcoming in the prior art, the position of four C type plates and locking bolt can be adjusted through rotating handle and handle, the locking bolt is adapted to the pre-set mounting hole, and the installation and fixation of the power electronic transformer are completed.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A modularization split phase formula power electronic transformer enhanced structure, including enhanced transformer shell, the modularization split phase formula power electronic transformer body is fixedly connected in the enhanced transformer shell, the bottom of the enhanced transformer shell is fixedly connected with the base, the first lead screw that is rotatably connected is equipped on the base, the first lead screw is fixedly connected with the handle at the end away from the base, the outer wall of the first lead screw is equipped with two movable plates that are threadedly connected with it, the inner wall of the base is fixedly connected with two sliding rods, two sliding rods are all through each movable plate and are slidably connected with it, each movable plate is equipped with the second lead screw that is rotatably connected with it, the front end of each second lead screw is fixedly connected with the handle, the outer wall of each second lead screw is equipped with two limit blocks that are threadedly connected with it, each limit block is respectively through corresponding movable plate and is slidably connected with it, the bottom of each limit block is fixedly connected with C type plate, the material of the enhanced transformer shell is sequentially provided with protective layer, insulating layer, electric shielding layer and flame retardant layer from outside to inside.

[0007] Preferably, the modular split-phase power electronic transformer body is provided with an input side module, an isolation module, an output side module and a control module.

[0008] Preferably, the first lead screw is provided with two sections of external threads with opposite directions, and the two moving plates are respectively sleeved on the outer walls of the two sections of external threads with opposite directions.

[0009] Preferably, the second lead screw is provided with two sections of external threads with opposite directions, and the two limiting blocks are respectively sleeved on the outer walls of the two sections of external threads with opposite directions.

[0010] Preferably, the bottom of the moving plate is provided with a limiting groove, and the limiting block is in sliding connection with the inner wall of the limiting groove.

[0011] Preferably, each C-shaped plate is provided with a through hole, and each through hole is provided with a locking bolt.

[0012] Preferably, the material of the protective layer is an epoxy coating, the material of the insulating layer is polytetrafluoroethylene, the material of the electric shielding layer is copper fiber and textile fiber blended, and the material of the flame-retardant layer is aluminum alloy.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] 1. The staff holds the handle and rotates to drive the first lead screw to rotate, so that the moving plates on both sides slide on the two sliding rods, thereby adjusting the distance between the C-shaped plates on both sides.

[0015] 2. The staff holds the two handles and rotates to drive the second lead screw to rotate, so that the limiting blocks and C-shaped plates on the front and back sides move, thereby adjusting the distance between the C-shaped plates on the front and back sides.

[0016] 3. By adjusting the four C-shaped plates in the X-axis and Y-axis directions, the positions of the four locking bolts on the C-shaped plates can be adjusted, so that the four locking bolts are respectively matched with the mounting holes in different positions to complete the installation and fixation of the power electronic transformer.

[0017] In summary, by rotating the handle and the handle, the positions of the four C-shaped plates and the locking bolts can be adjusted, so that the locking bolts are matched with the pre-formed mounting holes to complete the installation and fixation of the power electronic transformer. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The first structure diagram of the modular split-phase power electronic transformer enhanced structure is provided.

[0019] Figure 2A second structure schematic view of a modular split-phase type power electronic transformer enhanced structure is provided in the utility model.

[0020] Figure 3 A cross section structure schematic view of a modular split-phase type power electronic transformer enhanced structure is provided in the utility model.

[0021] Figure 4 An enhanced transformer shell section schematic view of a modular split-phase type power electronic transformer enhanced structure is provided in the utility model.

[0022] In the drawing: 1, enhanced transformer shell, 2, modular split-phase type power electronic transformer body, 3, base, 4, first screw rod, 5, handle, 6, moving plate, 7, sliding rod, 8, second screw rod, 9, handle, 10, limit block, 11, C-shaped plate, 12, locking bolt, 13, protective layer, 14, insulation layer, 15, electric shielding layer, 16, flame-retardant layer. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0024] Reference Figures 1-4 A modular split-phase type power electronic transformer enhanced structure, including enhanced transformer shell 1, enhanced transformer shell 1 is equipped with the modular split-phase type power electronic transformer body 2 of fixed connection with it in, and the modular split-phase type power electronic transformer body 2 is equipped with input side module, isolation module, output side module and control module on it;Input side module is composed of multiple input side power units in series, and each input side power unit includes H bridge circuit and input side filter inductance;Isolation module is composed of multiple high-frequency transformers, and the primary winding of each high-frequency transformer is connected with the output end of the corresponding input side power unit, and the secondary winding is connected with the input end of the corresponding output side power unit;Output side module is composed of multiple output side power units in series, and each output side power unit includes H bridge circuit and output side filter inductance;Control module is used to control the working state of input side power unit and output side power unit, and realizes the adjustment of voltage, current, power and other parameters.

[0025] The bottom of the enhanced transformer shell 1 is fixedly connected with a base 3, a first lead screw 4 is rotatably connected to the base 3, one end of the first lead screw 4 away from the base 3 is fixedly connected with a handle 5, the outer wall of the first lead screw 4 is sleeved with two moving plates 6 threadedly connected with the first lead screw 4, the first lead screw 4 is provided with two external threads with opposite directions, the two moving plates 6 are respectively sleeved on the outer walls of the two external threads with opposite directions, the two moving plates 6 on the two sides can move towards or away from each other, the inner wall of the base 3 is fixedly connected with two sliding rods 7, the two sliding rods 7 are respectively sleeved in each moving plate 6 and are slidably connected with the moving plate 6, each moving plate 6 is rotatably connected with a second lead screw 8, the front end of each second lead screw 8 is fixedly connected with a handle 9, the outer wall of each second lead screw 8 is sleeved with two limiting blocks 10 threadedly connected with the second lead screw 8, the second lead screw 8 is provided with two external threads with opposite directions, the two limiting blocks 10 are respectively sleeved on the outer walls of the two external threads with opposite directions, each limiting block 10 is respectively sleeved in the corresponding moving plate 6 and is slidably connected with the moving plate 6, the bottom of the moving plate 6 is provided with a limiting groove, the limiting block 10 is slidably connected with the inner wall of the limiting groove, the bottom of each limiting block 10 is fixedly connected with a C-shaped plate 11, each C-shaped plate 11 is provided with a through hole, each through hole is provided with a locking bolt 12, an installation hole is previously formed in an outdoor transformer substation, the four bolts can be inserted into the corresponding installation holes by adjusting the positions of the four bolts, and the installation and fixation of the transformer are completed.

[0026] The material of the enhanced transformer shell 1 is sequentially provided with a protective layer 13, an insulating layer 14, an electric shielding layer 15 and a flame-retardant layer 16 from outside to inside, the material of the protective layer 13 is an epoxy resin coating, oxygen can be isolated, and the shell body is prevented from being oxidized; the material of the insulating layer 14 is polytetrafluoroethylene, the polytetrafluoroethylene is not conductive, and safety is ensured; the material of the electric shielding layer 15 is copper fiber and textile fiber blended, the electric shielding layer 15 can inhibit the electromagnetic interference generated in the transformer from radiating outward, and the interference on surrounding electronic equipment is reduced; the material of the flame-retardant layer 16 is aluminum alloy, the enhanced transformer shell 1 is prevented from burning, and the safety of the device is ensured.

[0027] In the utility model, when the power electronic transformer is installed, the staff holds the handle 5 and rotates to drive the first lead screw 4 to rotate, the moving plates 6 on the two sides slide on the two sliding rods 7, and then the spacing of the C-shaped plates 11 on the left and right sides is adjusted; the staff holds the two handles 9 and rotates to drive the second lead screw 8 to rotate, the limiting blocks 10 and the C-shaped plates 11 on the front and back sides are moved, and then the spacing of the C-shaped plates 11 on the front and back sides is adjusted; the positions of the four locking bolts 12 on the C-shaped plates 11 are adjusted by adjusting the X-axis and Y-axis directions of the four C-shaped plates 11, the four locking bolts 12 are respectively matched with the installation holes in different positions, and the installation and fixation of the power electronic transformer are completed.

[0028] The utility model discloses a rotating handle and handle can adjust four C type board and the position of locking bolt, solved the power electronic transformer of prior art installs on the substation of outdoor, through bolt installs transformer in the installation hole of prearranging, but the size specification of existing power electronic transformer is not one, leads to the position of bolt on different specifications power electronic transformer is not one, leads to bolt installation not to the installation hole of prearranging, completes the installation fixed problem of different power electronic transformer.

Claims

1. A modular split-phase power electronic transformer enhanced structure comprising an enhanced transformer housing (1), characterized in that, The enhanced transformer shell (1) is internally provided with a modular split-phase power electronic transformer body (2) fixedly connected thereto, the bottom of the enhanced transformer shell (1) is fixedly connected with a base (3), the base (3) is throughly provided with a first screw rod (4) rotatably connected thereto, the end of the first screw rod (4) away from the base (3) is fixedly connected with a handle (5), the outer wall of the first screw rod (4) is sleeved with two movable plates (6) threadedly connected thereto, each movable plate (6) is throughly provided with a second screw rod (8) rotatably connected thereto, the front end of each second screw rod (8) is fixedly connected with a handle (9), the outer wall of each second screw rod (8) is sleeved with two limiting blocks (10) threadedly connected thereto, each limiting block (10) is throughly provided in the corresponding movable plate (6) and is slidably connected thereto, the bottom of each limiting block (10) is fixedly connected with a C-shaped plate (11), the material of the enhanced transformer shell (1) is sequentially provided with a protective layer (13), an insulating layer (14), an electric shielding layer (15) and a flame-retardant layer (16) from outside to inside.

2. A modular split-phase power electronic transformer enhanced structure according to claim 1, characterized in that, The modular split-phase power electronic transformer body (2) is provided with an input side module, an isolation module, an output side module and a control module.

3. A modular split-phase power electronic transformer enhanced structure according to claim 1, wherein, The first screw rod (4) is provided with two external threads with opposite directions, the two movable plates (6) are respectively sleeved on the outer walls of the two external threads with opposite directions, the inner wall of the base (3) is fixedly connected with two sliding rods (7), and the two sliding rods (7) are throughly provided in each movable plate (6) and are slidably connected thereto.

4. A modular split-phase power electronic transformer enhanced structure according to claim 1, characterized in that, The second screw rod (8) is provided with two external threads with opposite directions, and the two limiting blocks (10) are respectively sleeved on the outer walls of the two external threads with opposite directions.

5. A modular split-phase power electronic transformer enhanced structure according to claim 1, wherein, The bottom of the movable plate (6) is provided with a limiting groove, and the limiting block (10) is slidably connected with the inner wall of the limiting groove.

6. A modular split-phase power electronic transformer enhanced structure according to claim 1, wherein, Each C-shaped plate (11) is throughly provided with a through hole, and each through hole is provided with a locking bolt (12).

7. A modular split-phase power electronic transformer enhanced structure according to claim 1, wherein, The material of the protective layer (13) is an epoxy resin coating, the material of the insulating layer (14) is polytetrafluoroethylene, the material of the electric shielding layer (15) is copper fiber and textile fiber blended, and the material of the flame-retardant layer (16) is aluminum alloy.

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