CN214476844U

CN214476844U - Integrated high-current transformer for photovoltaic power generation

Info

Publication number: CN214476844U
Application number: CN202120585038.5U
Authority: CN
Inventors: 管剑; 朱大千; 周建华
Original assignee: Shanghai Guofu Electric Design Engineering Co ltd
Current assignee: Shanghai Guofu Electric Design Engineering Co ltd
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-10-22
Anticipated expiration: 2031-03-23

Abstract

The utility model provides an integrated heavy current transformer for photovoltaic power generation, which comprises an installation bottom plate; the top of the mounting bottom plate is fixedly provided with a mounting bin; the top of the mounting bin is fixedly provided with a mounting frame; a plurality of groups of transformers are fixedly arranged at the top of the mounting rack; the top of the transformer is fixedly provided with a high-voltage connecting piece; the bottom of the transformer is fixedly provided with a low-voltage connecting piece; a plurality of groups of supporters are fixedly arranged at the bottom of the mounting bottom plate; the bottom of the support is fixedly provided with a bearing part; through the setting of eyelidretractor, the vibrations that prevent that the transformer during operation from producing with the vibrations on ground and shake altogether, improve the stability of device, reduce the noise that the device work made the production simultaneously, prevent to disturb resident normal life on every side.

Description

Integrated high-current transformer for photovoltaic power generation

Technical Field

The utility model belongs to the technical field of photovoltaic power generation, more specifically say, in particular to an integrated form heavy current transformer for photovoltaic power generation.

Background

With the development of photovoltaic solar power generation technology, more and more solar power stations are built, and at present, when photovoltaic power generation is carried out, electric energy generated by solar photovoltaic is direct current. Therefore, in order to meet the requirement of connection with a power supply grid, grid-connected power supply can be realized after electric energy generated by photovoltaic is adjusted through a power transformer.

A patent with patent number CN205104343U, for example, has been searched for and discloses a photovoltaic power generation dry-type transformer, which includes a base; the coil winding comprises a low-voltage winding and a high-voltage winding; the low-voltage winding comprises an upper low-voltage winding and a lower low-voltage winding, the upper low-voltage winding is of a right winding structure, and the lower low-voltage winding is of a left winding structure; the high-voltage winding comprises an upper high-voltage winding and a lower low-voltage winding, the upper high-voltage winding is of a left winding structure, the lower high-voltage winding is of a right winding structure, and the upper high-voltage winding and the outlet end of the lower high-voltage winding are on the same side; two iron cores respectively arranged at two axial ends of the coil winding; and the heat dissipation cushion blocks are respectively connected and arranged on two axial end faces of the coil winding and are positioned above the iron core. The utility model has compact structure, reduces the size of the structure and is convenient for installation and connection; the radiating cushion block is convenient for gas circulation, reduces the temperature rise of the coil winding, and prevents the service life of the transformer from being shortened and explosion accidents caused by local overheating of the coil winding after the transformer is overloaded.

Based on the above, current transformer needs fixed mounting in positions such as fixed wall body when using, and the installation is fixed nimble convenient enough, can not use in comparatively open place, and needs the device to lack certain stabilising arrangement, receives vibrations and overheated influence easily at the during operation.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and an integrated large-current transformer for photovoltaic power generation is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an integrated form heavy current transformer for photovoltaic power generation to solve the current transformer that proposes in the above-mentioned background art when using, need fixed mounting in positions such as fixed wall body, the installation is fixed simple convenient inadequately, can not use in comparatively open place, and needs the device to lack certain stabilising arrangement, receives vibrations and overheated problem that influences easily at the during operation.

The utility model relates to a purpose and efficiency for photovoltaic power generation's integrated form heavy current transformer is reached by following specific technological means:

an integrated high-current transformer for photovoltaic power generation comprises a mounting baseplate; the top of the mounting bottom plate is fixedly provided with a mounting bin; the top of the mounting bin is fixedly provided with a mounting frame; a plurality of groups of transformers are fixedly arranged at the top of the mounting rack; the top of the transformer is fixedly provided with a high-voltage connecting piece; the bottom of the transformer is fixedly provided with a low-voltage connecting piece; a plurality of groups of supporters are fixedly arranged at the bottom of the mounting bottom plate; and the bottom of the support is fixedly provided with a bearing part.

Furthermore, the mounting bottom plate also comprises a blower, a conveying pipe and a fixing frame; two groups of air blowers are arranged at the top of the mounting bottom plate; the air outlet of the air feeder is provided with a conveying pipe, and the tail end of the conveying pipe is arranged in the mounting hole; the mounting bottom plate is installed to mounting bottom plate's bottom integral type, and mounting bottom plate's cross-sectional shape is "king" font.

Furthermore, the installation bin also comprises an installation cavity, an auxiliary fan, an installation hole, a connection groove, a bearing plate and a heat dissipation hole; an installation cavity is formed in the installation bin; a plurality of groups of auxiliary fans are fixedly arranged in the installation cavity; a plurality of groups of mounting holes are formed in the inner side of the mounting cavity; connecting grooves are formed in two sides of the top of the mounting bin; the top of the mounting bin is fixedly provided with a bearing plate; the top of the bearing plate is provided with a plurality of heat dissipation holes.

Furthermore, the support also comprises a buffer piece, a buffer spring, an installation piece, an installation bolt and a positioning lug; a buffer spring is fixedly arranged in the buffer piece; the mounting piece is fixedly mounted at the top of the buffer piece; the bottom of the buffer piece is integrally provided with a mounting bolt; the bottom of the buffer piece is integrally provided with a plurality of groups of positioning lugs, the positioning lugs are arranged inside the positioning grooves, and the cross section of each positioning lug is triangular.

Furthermore, the bearing part also comprises a fixing protrusion, a positioning groove, a mounting groove, a through hole and a fixing bottom block; the top of the bearing part is integrally provided with a plurality of groups of fixing bulges, and the cross sections of the fixing bulges are triangular; the top of the bearing part is provided with a plurality of groups of positioning grooves; two groups of mounting grooves are formed in the bearing piece, and mounting bolts are fixed in the mounting grooves through nuts; the inner side of the mounting groove is provided with a through hole; the bottom integral type of bearing piece is provided with the fixed bottom block of multiunit.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a setting in installation storehouse, mounting plate top fixed mounting has the installation storehouse, the transformer is installed in the installation cavity top, when the device carries out the during operation, inside the forced draught blower transports the installation cavity with the outside cold air of device through the conveyer pipe, the installation cavity cooperates with supplementary fan, make cold air blow on the installation cavity is inside, continuously cool down the transformer, prevent that the device is overheated to lead to spare part ageing, produce certain use risk when reducing device work efficiency, threaten the personal safety around the device.

2. The utility model discloses a setting of mounting plate, fixed frame is installed to the mounting plate bottom, fixed frame can fix a position fixedly to the multiunit eyelidretractor, the stability of the installation of improvement device, the setting of eyelidretractor can support the device, prevent that the device is submerged by ponding in open area, bolster and buffer spring cooperation simultaneously, the vibrations that prevent transformer during operation production produce with the vibrations on ground produce the shake altogether, the stability of the improvement device, reduce the noise that the device work made the production simultaneously, prevent to disturb resident normal life around, the setting of bearing part can improve the stability of device at outdoor installation, prevent that external force from leading to the device to turn on one's side.

Drawings

Fig. 1 is a schematic view of the main body of the present invention.

Fig. 2 is a schematic bottom view of the main body of the present invention.

Fig. 3 is a schematic view of the receiving plate structure of the present invention.

Fig. 4 is a schematic structural view of the installation cavity of the present invention.

Fig. 5 is a schematic view of the main sectional structure of the present invention.

Fig. 6 is a schematic sectional structure diagram of the support of the present invention.

Fig. 7 is a schematic sectional view of the load-bearing member of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. mounting a bottom plate; 101. a blower; 102. a delivery pipe; 103. a fixing frame; 2. installing a bin; 201. a mounting cavity; 202. an auxiliary fan; 203. mounting holes; 204. connecting grooves; 205. a bearing plate; 206. heat dissipation holes; 207. a mounting frame; 3. a transformer; 4. a high-pressure connector; 5. a low-pressure connector; 6. a support; 601. a buffer member; 602. a buffer spring; 603. a mounting member; 604. installing a bolt; 605. positioning the bump; 7. a bearing member; 701. a fixing protrusion; 702. a positioning groove; 703. mounting grooves; 704. a through hole; 705. and fixing the bottom block.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 7:

the utility model provides an integrated heavy current transformer for photovoltaic power generation, which comprises an installation bottom plate 1; the top of the mounting bottom plate 1 is fixedly provided with a mounting bin 2; the top of the mounting bin 2 is fixedly provided with a mounting frame 207; a plurality of groups of transformers 3 are fixedly arranged at the top of the mounting frame 207; the top of the transformer 3 is fixedly provided with a high-voltage connecting piece 4; the bottom of the transformer 3 is fixedly provided with a low-voltage connecting piece 5; a plurality of groups of supporters 6 are fixedly arranged at the bottom of the mounting bottom plate 1; the bottom of the support 6 is fixedly provided with a bearing part 7; the installation bottom plate 1 also comprises a blower 101, a conveying pipe 102 and a fixed frame 103; two groups of air blowers 101 are arranged at the top of the mounting bottom plate 1; a delivery pipe 102 is installed at the air outlet of the blower 101, and the tail end of the delivery pipe 102 is installed inside the installation hole 203; the mounting bottom plate 1 is integrally mounted at the bottom of the mounting bottom plate 1, and the cross section of the mounting bottom plate 1 is in a shape like the Chinese character 'wang'; the installation bin 2 further comprises an installation cavity 201, an auxiliary fan 202, an installation hole 203, a connection groove 204, a bearing plate 205 and heat dissipation holes 206; the interior of the mounting bin 2 is provided with a mounting cavity 201; a plurality of groups of auxiliary fans 202 are fixedly arranged in the installation cavity 201; a plurality of groups of mounting holes 203 are formed in the inner side of the mounting cavity 201; connecting grooves 204 are formed in two sides of the top of the mounting bin 2; the top of the mounting bin 2 is fixedly provided with a bearing plate 205; the top of the receiving plate 205 is formed with a plurality of heat dissipation holes 206.

The support 6 further includes a buffer 601, a buffer spring 602, a mounting member 603, a mounting bolt 604 and a positioning protrusion 605; a buffer spring 602 is fixedly arranged in the buffer 601; the mounting piece 603 is fixedly mounted at the top of the buffer 601; the bottom of the buffer 601 is integrally provided with a mounting bolt 604; a plurality of groups of positioning convex blocks 605 are integrally arranged at the bottom of the buffer 601, the positioning convex blocks 605 are arranged inside the positioning grooves 702, and the cross section of each positioning convex block 605 is triangular; through the setting of eyelidretractor 6, make things convenient for the device to install in open area, carry out the support of take the altitude to the device, prevent that the device from being flooded by ponding, offset the vibrations of device simultaneously.

Wherein, the bearing part 7 also comprises a fixing convex 701, a positioning groove 702, a mounting groove 703, a through hole 704 and a fixing bottom block 705; the top of the bearing part 7 is integrally provided with a plurality of groups of fixing protrusions 701, and the cross section of each fixing protrusion 701 is triangular; the top of the bearing part 7 is provided with a plurality of groups of positioning grooves 702; two groups of mounting grooves 703 are formed in the bearing part 7, and mounting bolts 604 are fixed in the mounting grooves 703 through nuts; a through hole 704 is formed in the inner side of the mounting groove 703; the bottom of the bearing part 7 is integrally provided with a plurality of groups of fixed bottom blocks 705; through the setting of bearing piece 7, can improve the installation stability of device, prevent that the device from turning on one's side because of external force.

The specific use mode and function of the embodiment are as follows:

in the utility model, when in use, the device is moved to a proper position, the top of the mounting base plate 1 is fixedly provided with the mounting bin 2, the transformer 3 is mounted at the top of the mounting cavity 201, when the device works, the blower 101 is opened to transport the cold air outside the device into the mounting cavity 201 through the conveying pipe 102, the mounting cavity 201 is matched with the auxiliary fan 202, so that the cold air is blown upwards inside the mounting cavity 201 to continuously cool the transformer 3, the aging of parts caused by overheating of the device is prevented, the bottom of the mounting base plate 1 is provided with the fixing frame 103, the fixing frame 103 positions and fixes the plurality of groups of supporters 6, the mounting stability of the device is improved, the device can be supported by the arrangement of the supporters 6, meanwhile, the buffer 601 is matched with the buffer spring 602, the vibration generated when the transformer 3 works and the vibration of the ground are prevented from generating the common vibration, the stability of the device is improved, reduce the noise that device work made the production simultaneously, prevent to disturb resident normal life around, the setting of bearing part 7 can improve the stability of device in outdoor installation, prevents that external force from resulting in the device to turn on one's side.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. An integrated high current transformer for photovoltaic power generation, comprising: a mounting base plate (1); the top of the mounting bottom plate (1) is fixedly provided with a mounting bin (2); a mounting rack (207) is fixedly mounted at the top of the mounting bin (2); a plurality of groups of transformers (3) are fixedly arranged at the top of the mounting rack (207); the top of the transformer (3) is fixedly provided with a high-voltage connecting piece (4); a low-voltage connecting piece (5) is fixedly arranged at the bottom of the transformer (3); a plurality of groups of supporters (6) are fixedly arranged at the bottom of the mounting bottom plate (1); and a bearing part (7) is fixedly arranged at the bottom of the support (6).

2. An integrated high current transformer for photovoltaic power generation as claimed in claim 1, wherein: the mounting bottom plate (1) also comprises a blower (101), a conveying pipe (102) and a fixed frame (103); two groups of air blowers (101) are arranged at the top of the mounting bottom plate (1); a delivery pipe (102) is installed at the air outlet of the blower (101), and the tail end of the delivery pipe (102) is installed inside the installation hole (203); the mounting bottom plate (1) is installed to the bottom integral type of mounting bottom plate (1), and the cross-sectional shape of mounting bottom plate (1) is "king" font.

3. An integrated high current transformer for photovoltaic power generation as claimed in claim 1, wherein: the mounting bin (2) further comprises a mounting cavity (201), an auxiliary fan (202), a mounting hole (203), a connecting groove (204), a bearing plate (205) and a heat dissipation hole (206); a mounting cavity (201) is formed in the mounting bin (2); a plurality of groups of auxiliary fans (202) are fixedly arranged in the mounting cavity (201); a plurality of groups of mounting holes (203) are formed in the inner side of the mounting cavity (201); connecting grooves (204) are formed in two sides of the top of the mounting bin (2); the top of the installation bin (2) is fixedly provided with a bearing plate (205); the top of the bearing plate (205) is provided with a plurality of heat dissipation holes (206).

4. An integrated high current transformer for photovoltaic power generation as claimed in claim 1, wherein: the support (6) further comprises a buffer piece (601), a buffer spring (602), a mounting piece (603), a mounting bolt (604) and a positioning lug (605); a buffer spring (602) is fixedly arranged in the buffer (601); the top of the buffer piece (601) is fixedly provided with a mounting piece (603); the bottom of the buffer piece (601) is integrally provided with a mounting bolt (604); the bottom of the buffer piece (601) is integrally provided with a plurality of groups of positioning convex blocks (605), the positioning convex blocks (605) are arranged inside the positioning grooves (702), and the cross sections of the positioning convex blocks (605) are triangular.

5. An integrated high current transformer for photovoltaic power generation as claimed in claim 1, wherein: the bearing part (7) also comprises a fixing protrusion (701), a positioning groove (702), a mounting groove (703), a through hole (704) and a fixing bottom block (705); the top of the bearing part (7) is integrally provided with a plurality of groups of fixing protrusions (701), and the cross section of each fixing protrusion (701) is triangular; the top of the bearing part (7) is provided with a plurality of groups of positioning grooves (702); two groups of mounting grooves (703) are formed in the bearing piece (7), and mounting bolts (604) are fixed in the mounting grooves (703) through nuts; a through hole (704) is formed in the inner side of the mounting groove (703); the bottom of the bearing part (7) is integrally provided with a plurality of groups of fixed bottom blocks (705).