CN211629636U - Box-type photovoltaic transformer substation - Google Patents
Box-type photovoltaic transformer substation Download PDFInfo
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- CN211629636U CN211629636U CN202020209377.9U CN202020209377U CN211629636U CN 211629636 U CN211629636 U CN 211629636U CN 202020209377 U CN202020209377 U CN 202020209377U CN 211629636 U CN211629636 U CN 211629636U
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Abstract
The utility model discloses a box-type photovoltaic transformer substation, which is characterized in that a high-voltage chamber and a low-voltage chamber are respectively arranged at two sides of a transformer, a high-voltage switch mounting frame is arranged in the high-voltage chamber, a high-voltage load switch and a disconnecting switch are arranged on the high-voltage switch mounting frame, and the high-voltage load switch and the disconnecting switch are integrally formed, so that the high-voltage load switch is arranged outside a transformer oil tank, and the influence on the insulating property of transformer oil when the high-voltage load switch is switched on and off is avoided; set up manual operation panel in the high voltage switch mounting bracket simultaneously, set up high voltage switch operation cell in the inboard of high pressure room door to set up electric operation panel in high voltage switch operation cell, through electric operation panel and manual operation panel and isolator and high voltage load switch's being connected, realized the divide-shut brake of multiple mode control isolator and high voltage load switch, open high pressure room door and can maintain high voltage load switch, simplified maintenance process and fortune dimension cost greatly.
Description
Technical Field
The utility model relates to a power equipment field, in particular to box photovoltaic transformer substation.
Background
Photovoltaic is as clean energy, has received the favor of vast users, and with the rapid development of photovoltaic trade, the demand of transformer substation for photovoltaic is also more and more. The existing photovoltaic transformer substation usually places a high-voltage load switch in transformer oil for insulation, and because the high-voltage load switch is sealed in a transformer, multiple switching-on and switching-off operations can cause the insulation performance of the transformer oil to become low, so that the service life of the transformer is influenced, and when the high-voltage load switch goes wrong, the whole transformer substation can only be returned for maintenance, so that the operation and maintenance difficulty is high, and the cost is very high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve one of the technical problem that exists among the prior art at least, provide a box photovoltaic transformer substation, be convenient for carry out high-pressure load switch's maintenance in the in-service use to reduce the fortune dimension cost of transformer substation.
In order to achieve the above object, the utility model provides a box-type photovoltaic transformer substation, which comprises a high-voltage chamber for installing a high-voltage cabinet, a transformer and a low-voltage chamber for installing a low-voltage cabinet, wherein the high-voltage chamber and the low-voltage chamber are respectively arranged at two sides of the transformer;
the high-voltage chamber is also internally provided with a high-voltage switch mounting frame, a high-voltage load switch and a disconnecting switch are mounted in the high-voltage switch mounting frame, and the high-voltage load switch and the disconnecting switch are integrally formed;
one side of high-pressure chamber still is provided with high-pressure chamber door, the high-voltage switch mounting bracket is close to one side of high-pressure chamber door is installed and is used for the manual operation panel of manually operation equipment, the inboard of high-pressure chamber door still is provided with high-voltage switch operation cell, be provided with electric operating panel in the high-voltage switch operation cell, manual operating panel with electric operating panel with isolator and high-voltage load switch are connected.
Further, a high-voltage arrester is arranged between the high-voltage chamber and the transformer.
Further, the high-voltage chamber door is connected with the high-voltage load switch through a door interlocking device, and the door interlocking device comprises an electromagnetic lock and a mechanical interlock.
Furthermore, one side of the high-pressure chamber door is movably connected with the high-pressure chamber through a door hinge.
Further, a glass observation window is arranged in the high-pressure chamber door, and the height of the glass observation window is lower than that of the high-pressure switch operation chamber.
Further, an electrified display is arranged in the electric operation panel and the manual operation panel, and the electrified display is electrically connected with a sensor connected between the high-voltage load switch and the isolating switch.
Furthermore, a grounding knife is further arranged in the high-voltage cabinet, and the grounding knife is connected with the high-voltage load switch and the isolating switch.
Further, still install the fuse in the high-voltage board, the fuse with high-voltage load switch is connected.
Further, a transformer high-voltage bushing and a transformer low-voltage bushing are respectively arranged on two sides of the transformer, the high-voltage cabinet is connected with the transformer high-voltage bushing through a copper bar, and the low-voltage cabinet is connected with the transformer low-voltage bushing through a copper bar.
Further, still include the base, high-pressure chamber, transformer and low-voltage chamber fixed mounting are in on the base.
The embodiment of the utility model provides an in one or more technical scheme, following beneficial effect has at least: the utility model adopts a box-type photovoltaic transformer substation, wherein a high-voltage chamber and a low-voltage chamber are respectively arranged at two sides of a transformer, a high-voltage switch mounting frame is arranged in the high-voltage chamber, and a high-voltage load switch and a disconnecting switch are arranged on the high-voltage switch mounting frame, so that the high-voltage load switch is arranged outside a transformer oil tank, and the influence on the insulating property of transformer oil when the high-voltage load switch is switched on and off is avoided; set up manual operation panel in the high voltage switch mounting bracket simultaneously, set up high voltage switch operation cell in the inboard of high pressure room door to set up electric operation panel in high voltage switch operation cell, through electric operation panel and manual operation panel and isolator and high voltage load switch's being connected, realized the divide-shut brake of multiple mode control isolator and high voltage load switch, open high pressure room door and can maintain high voltage load switch, simplified maintenance process and fortune dimension cost greatly.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples;
fig. 1 is a front view of a box-type photovoltaic substation according to an embodiment of the present invention;
fig. 2 is a top view of a box-type photovoltaic substation according to an embodiment of the present invention;
fig. 3 is the embodiment of the utility model provides a high-pressure chamber structural schematic of box photovoltaic transformer substation.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 to 3, an embodiment of the present invention provides a box-type photovoltaic substation, including a high voltage chamber 100 for installing a high voltage cabinet 140, a transformer 200, and a low voltage chamber 300 for installing a low voltage cabinet 320, where the high voltage chamber 100 and the low voltage chamber 300 are respectively disposed on two sides of the transformer 200;
a high-voltage switch mounting bracket 130 is further arranged in the high-voltage chamber 100, a high-voltage load switch 143 and a disconnecting switch 141 are mounted in the high-voltage switch mounting bracket 130, and the high-voltage load switch 143 and the disconnecting switch 141 are integrally formed;
one side of the high pressure chamber 100 is further provided with a high pressure chamber door 110, one side of the high pressure switch mounting frame 130 close to the high pressure chamber door 110 is provided with a manual operation panel 170 for manual operation equipment, the inner side of the high pressure chamber door 110 is further provided with a high pressure switch operation chamber 150, an electric operation panel 151 is arranged in the high pressure switch operation chamber 150, and the manual operation panel 170 and the electric operation panel 151 are connected with the isolating switch 141 and the high pressure load switch 143.
It should be noted that the housings of the high pressure chamber 100 and the low pressure chamber 100 may be made of any material, and this embodiment preferably uses stainless steel, and can be adapted to outdoor use, and may also select other materials according to actual requirements, which is not described herein again. It can be understood that the power equipment generates more heat during the use process, therefore, in the present embodiment, it is preferable to provide the high pressure chamber louver 120 in the high pressure chamber 100 and the low pressure chamber louver 310 in the low pressure chamber 300, which is beneficial to air circulation and realizes auxiliary cooling. It should be noted that, for example, the structure of the low voltage cabinet 320 shown in fig. 2 is preferable in this embodiment, and includes a low voltage control cabinet 321, a low voltage incoming cabinet 322, and a low voltage cable clamp 323, which are all common structures in the prior art, and can implement corresponding functions. It can be understood that the present embodiment preferably provides the high-voltage cable clamp 160 in the high-voltage cabinet 140 for fixing the high-voltage cable, so that the layout of the high-voltage cable in the high-voltage cabinet 140 is more reasonable.
It should be noted that the high-voltage switch mounting bracket 130 may have any shape, and the embodiment is preferably a square frame, so that the high-voltage load switch 143 and the disconnecting switch 141 can be mounted, and the specific shape can be adjusted according to actual requirements. It will be appreciated that, for improved stability, the high voltage switch mounting bracket 130 is preferably fixedly attached to the high voltage chamber 100. The high-voltage switch operation chamber 150 may be provided inside the high-voltage chamber door 110 and integrally formed with the high-voltage chamber door 110, or may be a cavity fixedly connected to the high-voltage chamber 100 and used for mounting the electric operation panel 151.
It can be understood by those skilled in the art that switches for operating any high-voltage components, such as a switch for controlling a high-voltage load switch, may be disposed in the manual operation panel 170 and the electric operation panel 151, and the specifically controlled components may be adjusted according to actual requirements.
Further, in another embodiment of the present invention, a high voltage arrester 220 is further disposed between the high voltage chamber 100 and the transformer 200.
It should be noted that, since the substation is usually disposed outdoors, the high-voltage arrester 220 is preferably disposed in the present embodiment to prevent the transformer 200 from being damaged by lightning.
Further, in another embodiment of the present invention, the high-pressure chamber door 110 and the high-pressure load switch 143 are connected by a door interlock 155, and the door interlock 155 includes an electromagnetic lock and a mechanical interlock.
It should be noted that, because the electricity in the high-voltage load switch 143 is high-voltage electricity, and therefore, in consideration of safety, it is necessary to ensure power failure before the high-voltage load switch 143 is maintained, in this embodiment, it is preferable that the high-voltage chamber door 110 and the high-voltage load switch 143 are locked by the door interlock device 155, so that under the condition that the high-voltage load switch 143 is electrified, the electromagnetic lock and the mechanical interlock of the door interlock device 155 can realize locking, so that the high-voltage chamber door 110 cannot be opened, and therefore, operation safety is ensured, the electromagnetic lock and the mechanical interlock may adopt a structure commonly used in the prior art, and this embodiment does not relate to structural improvement of the electromagnetic lock and the mechanical interlock, and is not described herein again.
Further, in another embodiment of the present invention, one side of the high pressure chamber door 110 is movably connected to the high pressure chamber 100 by a door hinge 154.
It should be noted that, it is preferable in this embodiment that the high-pressure chamber door 110 is connected to the high-pressure chamber 100 through the door hinge 154, and the high-pressure chamber door 110 may also be mounted in other forms, which is not described herein again.
Further, in another embodiment of the present invention, a glass observation window 152 is further disposed in the high-pressure chamber door 110, and the height of the glass observation window 152 is lower than that of the high-pressure switch operation chamber 150.
It should be noted that the glass observation window 152 is provided to facilitate observation of the inside of the high-pressure chamber 100 without opening the high-pressure chamber door 110, so as to reduce the number of door opening times and simplify the maintenance process.
Further, in another embodiment of the present invention, a charged display is provided in the electric operation panel 151 and the manual operation panel 170, and the charged display is electrically connected to the sensor 142 connected between the high voltage load switch 143 and the isolating switch 141.
It should be noted that the charged display is a display commonly used in the field for detecting a charged condition, and this embodiment does not relate to improvement of the charged display, and any model in the prior art may be used, which is not described herein again. It can be understood that, in order to monitor the charged state of the switch, in this embodiment, it is preferable that the isolating switch 141 and the high-voltage load switch 143 are respectively connected to a sensor 142 and a charged display, so as to realize independent monitoring of different switches, and facilitate maintenance of maintenance personnel.
Further, in another embodiment of the present invention, a grounding switch 144 is further disposed in the high voltage board 140, and the grounding switch 144 is connected to the high voltage load switch 143 and the isolation switch 141.
It should be noted that the grounding knife 144 is a device commonly used in the art and can implement a grounding function, and the grounding knife 144 of this embodiment may be any type in the prior art and can implement safe grounding.
Further, in another embodiment of the present invention, a fuse 153 is further installed in the high voltage board 140, and the fuse 153 is connected to the high voltage load switch 143.
It should be noted that the fuse 153 is preferably connected to the high-voltage load switch 143 in this embodiment, and is advantageous for protecting the high-voltage components.
Further, in another embodiment of the present invention, the two sides of the transformer 200 are respectively provided with a transformer high-voltage bushing 230 and a transformer low-voltage bushing 240, the high-voltage board 140 is connected to the transformer high-voltage bushing 230 through a copper bar, and the low-voltage board 320 is connected to the transformer low-voltage bushing 240 through a copper bar.
It should be noted that the high-voltage board 140 and the low-voltage board 320 may be connected to the transformer 200 in any form, such as a cable, and the flexible copper bar is preferably used in this embodiment, so that the installation and maintenance are more convenient, and the flexible copper bar is used to avoid the transformer bushing damaged by the relative stress between the transformer bushing and the connection portion during transportation, thereby causing oil leakage of the transformer, and also reducing the cost. Those skilled in the art can understand that, because the length of the soft copper bar is not too long, the other side of the soft copper bar is preferably connected with the hard copper bar, and the cost can be reduced by extending the line through the hard copper bar.
Further, in another embodiment of the present invention, the power supply further comprises a base 400, and the high voltage chamber 100, the transformer 200 and the low voltage chamber 300 are fixedly mounted on the base 400.
It should be noted that, it is preferable in this embodiment that the high-voltage chamber 100, the transformer 200, and the low-voltage chamber 300 are installed through the base 400, so that the transformer substation can be integrated, and transportation and installation are facilitated. Those skilled in the art can understand that, in order to facilitate the transportation of the substation, in the embodiment, it is preferable that the plurality of hoisting structures 410 are disposed on the side surface of the base 400, so that the hoisting is facilitated, and the specific number and the position are adjusted according to actual production requirements, which is not described herein again.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. A box photovoltaic transformer substation which characterized in that: the transformer comprises a high-voltage chamber for mounting a high-voltage cabinet, a transformer and a low-voltage chamber for mounting a low-voltage cabinet, wherein the high-voltage chamber and the low-voltage chamber are respectively arranged at two sides of the transformer;
the high-voltage chamber is also internally provided with a high-voltage switch mounting frame, a high-voltage load switch and a disconnecting switch are mounted in the high-voltage switch mounting frame, and the high-voltage load switch and the disconnecting switch are integrally formed;
one side of high-pressure chamber still is provided with high-pressure chamber door, the high-voltage switch mounting bracket is close to one side of high-pressure chamber door is installed and is used for the manual operation panel of manually operation equipment, the inboard of high-pressure chamber door still is provided with high-voltage switch operation cell, be provided with electric operating panel in the high-voltage switch operation cell, manual operating panel with electric operating panel with isolator and high-voltage load switch are connected.
2. A box photovoltaic substation according to claim 1, characterized in that: and a high-voltage arrester is also arranged between the high-voltage chamber and the transformer.
3. A box photovoltaic substation according to claim 1, characterized in that: the high-voltage chamber door is connected with the high-voltage load switch through a door interlocking device, and the door interlocking device comprises an electromagnetic lock and a mechanical interlock.
4. A box photovoltaic substation according to claim 3, characterized in that: one side of the high-pressure chamber door is movably connected with the high-pressure chamber through a door hinge.
5. A box photovoltaic substation according to claim 1, characterized in that: the high-pressure chamber door is also internally provided with a glass observation window, and the height of the glass observation window is lower than that of the high-pressure switch operation chamber.
6. A box photovoltaic substation according to claim 1, characterized in that: and electrified displays are arranged in the electric operation panel and the manual operation panel, and the electrified displays are electrically connected with the sensors connected between the high-voltage load switch and the isolating switch.
7. A box photovoltaic substation according to claim 1, characterized in that: and a grounding knife is further arranged in the high-voltage cabinet, and the grounding knife is connected with the high-voltage load switch and the isolating switch.
8. A box photovoltaic substation according to claim 1, characterized in that: and a fuse is further installed in the high-voltage cabinet and connected with the high-voltage load switch.
9. A box photovoltaic substation according to claim 1, characterized in that: the transformer is characterized in that a transformer high-voltage bushing and a transformer low-voltage bushing are respectively arranged on two sides of the transformer, the high-voltage cabinet is connected with the transformer high-voltage bushing through a copper bar, and the low-voltage cabinet is connected with the transformer low-voltage bushing through a copper bar.
10. A box photovoltaic substation according to claim 1, characterized in that: the transformer is characterized by further comprising a base, wherein the high-voltage chamber, the transformer and the low-voltage chamber are fixedly arranged on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020209377.9U CN211629636U (en) | 2020-02-25 | 2020-02-25 | Box-type photovoltaic transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020209377.9U CN211629636U (en) | 2020-02-25 | 2020-02-25 | Box-type photovoltaic transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211629636U true CN211629636U (en) | 2020-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020209377.9U Active CN211629636U (en) | 2020-02-25 | 2020-02-25 | Box-type photovoltaic transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211629636U (en) |
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2020
- 2020-02-25 CN CN202020209377.9U patent/CN211629636U/en active Active
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