CN108831671B

CN108831671B - Energy-saving photovoltaic power generation box transformer substation device that steps up

Info

Publication number: CN108831671B
Application number: CN201810688518.7A
Authority: CN
Inventors: 李兴伟; 李兴刚; 李兴三; 郭俊岐
Original assignee: Linyi Shinaitong Electric Technology Co ltd
Current assignee: LINYI SHINAITONG ELECTRIC TECHNOLOGY Co.,Ltd.
Priority date: 2018-06-28
Filing date: 2018-06-28
Publication date: 2021-09-21
Anticipated expiration: 2038-06-28
Also published as: CN108831671A

Abstract

The invention discloses an energy-saving photovoltaic power generation step-up box transformer device which comprises a shell, wherein the top and the bottom of the interior of the shell are fixedly connected through a partition plate, a transformer is fixedly connected to the rear side of the inner wall of the shell and the right side of the partition plate, a load switch is arranged on the front side of the transformer, a low-voltage sleeve is arranged on the rear side of the inner wall of the shell and the right side of the transformer, and a high-voltage fuse is arranged on the rear side of the inner wall of the shell and below the low-voltage sleeve. According to the energy-saving photovoltaic power generation boosting box transformer substation, the lightning protection device on the energy-saving photovoltaic power generation boosting box transformer substation can be contracted through mutual matching of the fixing plate, the driving motor, the threaded rod, the bearing, the threaded sleeve, the connecting plate, the sliding block, the fixing sleeve, the sliding sleeve and the sliding rod, and the lightning protection device is collected into the box body when the photovoltaic power generation boosting box transformer substation is carried, so that damage to the lightning protection device due to collision is avoided.

Description

Energy-saving photovoltaic power generation box transformer substation device that steps up

Technical Field

The invention relates to the technical field of photovoltaic power generation, in particular to an energy-saving photovoltaic power generation boosting box transformer substation device.

Background

Photovoltaic power generation is to convert light energy into electric energy, and the power generation path is as follows: photovoltaic panel → combiner box → inverter → booster box → main grid. The existing energy-saving photovoltaic power generation step-up box transformer device comprises a transformer, wherein a load switch, a low-voltage sleeve, a high-voltage fuse and a high-voltage cable, a busbar, a high-voltage insulator, a high-voltage alternating current contactor, a high-voltage arrester and a high-voltage sleeve are arranged in the transformer. But the current energy-saving photovoltaic power generation step-up box becomes device and can not contract arrester, the arrester of photovoltaic power generation step-up box becomes device often fixes in the outside of box, can't retract in the box, when transport or removal, touches other articles easily, causes arrester's damage, and current photovoltaic power generation step-up box becomes device and need tie up the realization transport through the rope, and it is more troublesome to hang up during the installation.

Disclosure of Invention

The invention aims to provide an energy-saving photovoltaic power generation step-up box transformer substation device which has the advantage of contractible lightning protection device, solves the problem that the lightning protection device of the existing energy-saving photovoltaic power generation step-up box transformer substation device is not contractible, and enables the carrying and the installation to be time-saving and labor-saving by arranging the hoisting holes.

In order to achieve the purpose, the invention provides the following technical scheme: an energy-saving photovoltaic power generation step-up box transformer device comprises a shell, wherein the top and the bottom inside the shell are fixedly connected through a partition plate, the rear side of the inner wall of the shell is fixedly connected with a transformer positioned on the right side of the partition plate, a load switch is arranged on the front side of the transformer, a low-voltage sleeve is arranged on the rear side of the inner wall of the shell and on the right side of the transformer, a high-voltage fuse is arranged on the rear side of the inner wall of the shell and below the low-voltage sleeve, the low-voltage sleeve and the high-voltage fuse are connected inside the transformer through lead wires, a high-voltage sleeve is arranged on the right side of the partition plate corresponding to the position of the transformer, the right end of the high-voltage sleeve is connected with the load switch of the transformer through lead wires, the left side of the high-voltage sleeve penetrates through the partition plate and extends to the left side of the high-voltage sleeve, the top of the inner wall of the shell and on the left side of the high-voltage sleeve are fixedly connected with a busbar through a high-voltage insulator, the right side of the busbar bottom is fixedly connected with a high-voltage alternating-current vacuum contactor, the bottom of the high-voltage alternating-current vacuum contactor is fixedly connected with the bottom of the inner wall of the shell, the middle position wiring terminal of the high-voltage alternating-current vacuum contactor is fixedly connected with the left end of a high-voltage sleeve, the left side of the busbar bottom is fixedly connected with a high-voltage cable, the bottom of the high-voltage cable penetrates through the bottom of the inner wall of the shell to be connected with an external main power grid, the left side of the partition board is fixedly connected with a fixed plate corresponding to the position of a high-voltage insulator, the bottom of the fixed plate is fixedly connected with a driving motor, an output shaft of the driving motor is fixedly connected with a threaded rod, a bearing is arranged in a groove at the top of the inner wall of the shell corresponding to the position of the threaded rod, the top of the threaded rod sequentially penetrates through the fixed plate and the bearing from bottom to top and extends to the inside of the bearing to be fixedly connected with the bearing, the surperficial threaded connection of threaded rod has the thread bush, the right side fixedly connected with connecting plate of thread bush, the spout has been seted up to the position that the left side of baffle corresponds the connecting plate, the right side of connecting plate runs through the spout and extends to its inside fixedly connected with slider, the fixed cover of left side fixedly connected with of thread bush, the top of fixed cover runs through the casing and extends to its outside, fixedly connected with lightning rod on the inner wall of fixed cover, the right side electric connection of lead wire and busbar is passed through to the bottom of lightning rod, the top of lightning rod runs through fixed cover and casing and extends to the outside of casing, the left side fixedly connected with sliding sleeve of fixed cover, and the position fixedly connected with slide bar of sliding sleeve is corresponding at shells inner wall's top, the bottom of slide bar runs through the sliding sleeve and extends to its below and fixed plate fixed connection.

Preferably, the left side and the right side of the bottom of the shell are both fixedly connected with supporting plates, hoisting holes are formed in the front side and the rear side of each supporting plate, and the bottom of each supporting plate is fixedly connected with a damping pad.

Preferably, the surface of the threaded rod is fixedly connected with a limiting ring at the top of the fixing plate, and the bottom of the limiting ring is in contact with the fixing plate.

Preferably, the casing top corresponds the position fixedly connected with of lightning rod and shields the cover, the inner wall and the lightning rod of shielding the cover contact each other, just the centre bore that shields the cover is by supreme bell jar structure down, just the top that shields the cover is complete encapsulated situation, shield the cover and be the silica gel material.

Preferably, the surface of the sliding rod is sleeved with a buffer spring below the sliding sleeve, and the sliding sleeve is fixedly connected with the fixed plate through the buffer spring.

Preferably, the top and the bottom of spacing ring all are provided with limit switch, just top and bottom limit switch on the spacing ring are the trapezium structure, can slowly compress tightly limit switch along the inclined plane when the slider of telling contacts limit switch along limit switch's inclined plane.

Compared with the prior art, the invention has the following beneficial effects:

1. the lightning arrester on the energy-saving photovoltaic power generation boosting box transformer can be contracted by mutually matching the fixed plate, the driving motor, the threaded rod, the bearing, the threaded sleeve, the connecting plate, the sliding block, the fixed sleeve, the sliding sleeve and the sliding rod, the lightning arrester on the energy-saving photovoltaic power generation boosting box transformer can be supported by the bearing by starting the driving motor, the threaded rod is supported by the bearing and is driven to move by the threaded rod, the threaded sleeve is driven to move by the threaded rod under the action of the thread, the fixed sleeve can drive the fixed sleeve to move downwards, the lightning rod is driven to stably move downwards by the fixed sleeve under the support of the sliding sleeve and the sliding rod, when the sliding block contacts with the bottom limit switch on the limit ring and tightly presses the bottom limit switch along the inclined plane of the bottom limit switch, the limit switch is closed, the driving motor stops rotating, so that the lightning rod moves into the shell, and when the photovoltaic power generation boosting box transformer is carried, the lightning arrester is put into the shell, the damage to the lightning arrester caused by collision is avoided.

2. The lightning rod has the advantages that the supporting plates are arranged to support the shell, the hoisting holes are formed in the front side and the rear side of the left supporting plate and the right supporting plate, so that the lightning rod is easy to carry and install, the carrying and the installation are time-saving and labor-saving, the vibration of the shell is weakened by arranging the damping pads, the limiting rings are arranged to limit the threaded rod to shake up and down, the shielding sleeves are made of silica gel materials and are provided with conical grooves from bottom to top, the upper end face of each conical groove is sealed, external dust and rainwater can be prevented from flowing into the shell from gaps regardless of the extension and retraction of the lightning rod, and the buffer springs are arranged to buffer the vibration generated by the movement of the sliding sleeve.

Drawings

FIG. 1 is a structural cross-sectional view in elevation of the present invention;

FIG. 2 is a schematic structural diagram of a top view of the present invention.

Fig. 3 is a longitudinal sectional view of the blocking sleeve of the present invention.

In the figure: the device comprises a shell 1, a partition plate 2, a transformer 3, a load switch 4, a low-voltage sleeve 5, a high-voltage fuse 6, a high-voltage sleeve 7, a high-voltage insulator 8, a bus bar 9, a high-voltage AC vacuum contactor 10, a high-voltage cable 11, a fixed plate 12, a driving motor 13, a threaded rod 14, a bearing 15, a threaded sleeve 16, a connecting plate 17, a sliding groove 18, a sliding block 19, a fixed sleeve 20, a lightning rod 21, a sliding sleeve 22, a sliding rod 23, a supporting plate 24, a damping pad 25, a limiting ring 26, a shielding sleeve 27 and a buffer spring 28.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, an energy-saving photovoltaic power generation step-up box transformer device comprises a casing 1, wherein the left side and the right side of the bottom of the casing 1 are fixedly connected with supporting plates 24, the bottom of each supporting plate 24, which is provided with hoisting holes, is fixedly connected with a damping pad 25, the supporting plates 24 are arranged to support the casing 1, the casing can be easily transported and hoisted by hanging up four hoisting holes on the supporting plates 24, the damping pad 25 is arranged to weaken the vibration of the casing 1, the top and the bottom of the inner wall of the casing 1 are fixedly connected with each other through a partition plate 2, the casing is divided into two spaces by arranging the partition plate 2, the space on the right side of the partition plate 2 is a low-pressure area, the space on the left side of the partition plate 2 is a high-pressure area, a transformer 3 is fixedly connected on the rear side of the inner wall of the casing 1 and on the right side of the partition plate 2, and a load switch 4 is arranged on the front side of the transformer 3, a low-voltage bushing 5 is arranged at the rear side of the inner wall of the shell 1 and at the right side of the transformer 3, a high-voltage fuse 6 is arranged at the rear side of the inner wall of the shell 1 and below the low-voltage bushing 5, the low-voltage bushing 5 and the high-voltage fuse 6 are connected in the transformer 3 through lead wires, a high-voltage bushing 7 is arranged at the right side of the partition board 2 corresponding to the transformer 3, the right end of the high-voltage bushing 7 is connected with a load switch 4 of the transformer 3 through a lead wire, the left side of the high-voltage bushing 7 penetrates through the partition board 2 and extends to the left side of the partition board, a busbar 9 is fixedly connected at the top of the inner wall of the shell 1 and at the left side of the high-voltage bushing 7 through a high-voltage insulator 8, a high-voltage AC vacuum contactor 10 is fixedly connected at the right side of the bottom of the busbar 9, the bottom of the high-voltage AC vacuum contactor 10 is fixedly connected with the bottom of the inner wall of the shell 1, and the middle terminal of the high-voltage AC vacuum contactor 10 is fixedly connected with the left end of the high-voltage bushing 7, a high-voltage alternating current vacuum contactor 10 is arranged between a bus bar 9 and a high-voltage bushing 7, a transformer 3 in no-load operation can be frequently put in and cut off, when a photovoltaic panel is not irradiated by sunlight at night and no electric energy is output, remote control is realized on a box transformer through a comprehensive protection device, the transformer 3 in operation is cut off, no-load loss of the transformer 3 at night is eliminated, energy conservation and consumption reduction are realized, and energy conservation of the box transformer is improved, a high-voltage cable 11 is fixedly connected to the left side of the bottom of the bus bar 9, the bottom of the high-voltage cable 11 penetrates through the bottom of the inner wall of a shell 1 to be connected with an external main power grid, a fixing plate 12 is fixedly connected to the left side of a partition plate 2 corresponding to a position of a high-voltage insulator 8, a driving motor 13 is fixedly connected to the bottom of the fixing plate 12, a threaded rod 14 is fixedly connected to an output shaft of the driving motor 13, and a bearing 15 is arranged in a groove corresponding to the position of the threaded rod 14 at the top of the inner wall of the shell 1, the top of the threaded rod 14 penetrates through the fixing plate 12 and the bearing 15 from bottom to top in sequence and extends to the inside of the bearing 15 to be fixedly connected with the bearing 15, the surface of the threaded rod 14 is fixedly connected with a limiting ring 26 positioned at the top of the fixing plate 12, the bottom of the limiting ring 26 is contacted with the fixing plate 12, the limiting ring 26 is arranged to play a role of limiting the threaded rod 14 to shake up and down, the limiting switches at the top and the bottom of the limiting ring 26 are arranged, when the sliding block 19 is contacted with the limiting switch, the limiting switch is closed, the motor can be stopped to rotate, so that the lightning rod 21 can be accurately lifted and recovered to a specified position, the surface of the threaded rod 14 is in threaded connection with a threaded sleeve 16, the right side of the threaded sleeve 16 is fixedly connected with a connecting plate 17, the left side of the partition plate 2 is provided with a sliding groove 18 corresponding to the position of the connecting plate 17, and the right side of the connecting plate 17 penetrates through the sliding groove 18 and extends to the sliding block 19, the left side of the threaded sleeve 16 is fixedly connected with a fixed sleeve 20, the top of the fixed sleeve 20 penetrates through the shell 1 and extends to the outside of the shell, the inner wall of the fixed sleeve 20 is fixedly connected with a lightning rod 21, the position of the top of the shell 1, which corresponds to the lightning rod 21, is fixedly connected with a shielding sleeve 27, the inner wall of the shielding sleeve 27 is in mutual contact with the lightning rod 21, by arranging the shielding sleeve 27, the shielding sleeve 27 is made of silica gel, the center hole is a conical groove from bottom to top, the upper end surface is sealed, because the toughness of the silica gel material is extremely high, the shielding sleeve 27 can be completely close to the lightning rod no matter the lightning rod 21 stretches, external dust and rainwater are prevented from flowing into the shell 1 from the gap, the bottom of the lightning rod 21 is electrically connected with the right side of the busbar 9 through a lead, the top of the lightning rod 21 penetrates through the fixed sleeve 20 and the shell 1 and extends to the outside of the shell 1, the left side of the fixed sleeve 20 is fixedly connected with a sliding sleeve 22, the surface of the sliding rod 23 and the lower part of the sliding sleeve 22 are sleeved with a buffer spring 28, the sliding sleeve 22 is fixedly connected with the fixed plate 12 through the buffer spring 28, the effect of buffering vibration generated by the movement of the sliding sleeve 22 is achieved by arranging the buffer spring 28, the position, corresponding to the sliding sleeve 22, of the top of the inner wall of the shell 1 is fixedly connected with the sliding rod 23, the bottom of the sliding rod 23 penetrates through the sliding sleeve 22 and extends to the lower part of the sliding sleeve 22 to be fixedly connected with the fixed plate 12, the driving motor 13 is started to drive the threaded rod 14 to rotate, the threaded rod 14 is supported by the bearing 15, the threaded rod 14 drives the threaded sleeve 16 to move downwards under the action of the threads, the downward movement of the threaded sleeve 16 can drive the fixed sleeve 20 to move downwards, the fixed sleeve 20 drives the lightning rod 21 to move downwards under the support of the sliding sleeve 22 and the sliding rod 23, and the lightning rod 21 is driven to move downwards through the fixed plate 12, the driving motor 13, the threaded rod 14 and the bearing 15, The threaded sleeve 16, the connecting plate 17, the sliding block 19, the fixing sleeve 20, the sliding sleeve 22 and the sliding rod 23 are mutually matched, so that a lightning arrester on the energy-saving photovoltaic power generation step-up box transformer device can be lifted and contracted, through arranging the top limit switch and the bottom limit switch on the limiting ring 26, when the sliding block 19 contacts the bottom limit switch on the limiting ring 26 and tightly presses the bottom limit switch along the inclined plane of the bottom limit switch, the bottom limit switch is closed, the driving motor 13 stops rotating, the lightning rod 21 is moved into the shell 1, when the sliding block 19 contacts the top limit switch on the limiting ring 26 and tightly presses the top limit switch along the inclined plane of the top limit switch, the top limit switch is closed, the driving motor 13 stops rotating, and the lightning rod 21 is lifted out of the shell 1, so that the lightning rod 21 can be accurately stretched to a specified position to carry the photovoltaic power generation step-up box transformer device, the lightning arrester is put into the shell 1, so that the damage to the lightning arrester caused by collision is avoided.

After the lightning rod 21 is installed, the driving motor 13 is started again to rotate in the opposite direction, so that the lightning rod 21 is driven to extend out of the shell 1, and the lightning rod 21 can be normally used.

In summary, the following steps: this energy-saving photovoltaic power generation step-up box becomes device mutually supports through fixed plate 12, driving motor 13, threaded rod 14, bearing 15, thread bush 16, connecting plate 17, slider 19, fixed cover 20, sliding sleeve 22 and slide bar 23, has solved the current energy-saving photovoltaic power generation step-up box becomes the lightning arrester nonshrinkable problem of device, can easily realize transport and hoist and mount through four hoisted holes on the hang-up backup pad 24.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an energy-saving photovoltaic power generation step-up box becomes device, includes casing (1), its characterized in that: the transformer is characterized in that the top and the bottom inside the shell (1) are fixedly connected through a partition plate (2), the rear side of the inner wall of the shell (1) is fixedly connected with a transformer (3) on the right side of the partition plate (2), a load switch (4) is arranged on the front side of the transformer (3), a low-voltage bushing (5) is arranged on the rear side of the inner wall of the shell (1) and on the right side of the transformer (3), a high-voltage fuse (6) is arranged on the rear side of the inner wall of the shell (1) and below the low-voltage bushing (5), the low-voltage bushing (5) and the high-voltage fuse (6) are connected in the transformer (3) through lead wires, a high-voltage bushing (7) is arranged on the right side of the partition plate (2) corresponding to the position of the transformer (3), and the right end of the high-voltage bushing (7) is connected with the load switch (4) of the transformer (3) through lead wires, the left side of the high-voltage bushing (7) runs through the partition plate (2) and extends to the left side of the high-voltage bushing, the top of the inner wall of the shell (1) is positioned on the left side of the high-voltage bushing (7) and is fixedly connected with a busbar (9) through a high-voltage insulator (8), the right side of the bottom of the busbar (9) is fixedly connected with a high-voltage alternating-current vacuum contactor (10), the bottom of the high-voltage alternating-current vacuum contactor (10) is fixedly connected with the bottom of the inner wall of the shell (1), the middle position wiring terminal of the high-voltage alternating-current vacuum contactor (10) is fixedly connected with the left end of the high-voltage bushing (7), the left side of the busbar (9) is fixedly connected with a high-voltage cable (11), the bottom of the high-voltage cable (11) passes through the bottom of the inner wall of the shell (1) and is connected with an external main power grid, the left side of the partition plate (2) corresponds to the position of the high-voltage insulator (8) and is fixedly connected with a fixing plate (12), the bottom fixedly connected with driving motor (13) of fixed plate (12), fixedly connected with threaded rod (14) on the output shaft of driving motor (13), be provided with bearing (15) in the recess that the top of casing (1) inner wall corresponds threaded rod (14) position, the top of threaded rod (14) is from supreme fixed plate (12) of running through and extending to inside and bearing (15) fixed connection down, the surperficial threaded connection of threaded rod (14) has thread bush (16), the right side fixedly connected with connecting plate (17) of thread bush (16), spout (18) have been seted up to the position that the left side of baffle (2) corresponds connecting plate (17), the right side of connecting plate (17) extends to inside and fixedly connected with slider (19) of spout (18), the left side fixedly connected with fixed cover (20) of thread bush (16), the top of the fixed sleeve (20) penetrates through the shell (1) and extends to the outside of the shell, a lightning rod (21) is fixedly connected to the inner wall of the fixed sleeve (20), the bottom of the lightning rod (21) is electrically connected with the right side of the busbar (9) through a lead, the top of the lightning rod (21) penetrates through the fixed sleeve (20) and the shell (1) and extends to the outside of the shell (1), a sliding sleeve (22) is fixedly connected to the left side of the fixed sleeve (20), a sliding rod (23) is fixedly connected to the position, corresponding to the sliding sleeve (22), of the top of the inner wall of the shell (1), and the bottom of the sliding rod (23) penetrates through the sliding sleeve (22) and extends to the lower side of the sliding sleeve and is fixedly connected with the fixed plate (12);

the surface of the threaded rod (14) is positioned at the top of the fixing plate (12) and is fixedly connected with a limiting ring (26), and the bottom of the limiting ring (26) is in mutual contact with the fixing plate (12);

a shielding sleeve (27) is fixedly connected to the top of the shell (1) corresponding to the position of the lightning rod (21), the inner wall of the shielding sleeve (27) is in contact with the lightning rod (21), a center hole of the shielding sleeve (27) is of a conical groove structure from bottom to top, the top of the shielding sleeve (27) is in a completely sealed state, and the shielding sleeve (27) is made of silica gel;

the top and the bottom of spacing ring (26) all are provided with limit switch, just top and bottom limit switch on spacing ring (26) are the trapezium structure, when slider (19) contact limit switch, can slowly compress tightly limit switch along the inclined plane.

2. The energy-saving photovoltaic power generation and boosting box transformer substation device according to claim 1, characterized in that: the casing is characterized in that supporting plates (24) are fixedly connected to the left side and the right side of the bottom of the casing (1), hoisting holes are formed in the front side and the rear side of each supporting plate (24), and damping pads (25) are fixedly connected to the bottom of each supporting plate (24).

3. The energy-saving photovoltaic power generation and boosting box transformer substation device according to claim 1, characterized in that: the surface of the sliding rod (23) is sleeved with a buffer spring (28) below the sliding sleeve (22), and the sliding sleeve (22) is connected with the fixing plate (12) through the buffer spring (28).