CN110829199A - Power electrical power distribution cabinet for photovoltaic power station - Google Patents
Power electrical power distribution cabinet for photovoltaic power station Download PDFInfo
- Publication number
- CN110829199A CN110829199A CN201911040851.8A CN201911040851A CN110829199A CN 110829199 A CN110829199 A CN 110829199A CN 201911040851 A CN201911040851 A CN 201911040851A CN 110829199 A CN110829199 A CN 110829199A
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- Prior art keywords
- distribution cabinet
- sealing
- switch board
- photovoltaic power
- power
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
- H02B7/08—Underground substations
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention relates to the technical field of photovoltaic power generation equipment, and discloses an electric power distribution cabinet for a photovoltaic power station, which comprises a ground soil layer, wherein a sealing baffle is arranged inside the ground soil layer, a heat dissipation guide pipe is fixedly arranged on the outer surface of the sealing baffle, a supporting bottom plate is fixedly arranged at the bottom of an inner cavity of the sealing baffle, a distribution cabinet frame is movably sleeved inside a fixed sleeve, and four corners at the top end of the distribution cabinet frame are respectively and fixedly connected with the top end of the supporting bottom plate through four groups of lifting mechanisms. This a power electrical power switch board for photovoltaic power generation station through the installation setting of burying formula to this switch board, under the great environment of sunshine volume, can effectually avoid shining of sunshine, or the influence of ambient temperature's high temperature air current to this switch board to reduced ambient temperature to the influence of this switch board, adopted the occupation of land space of this switch board of reduction that the buried switch board can be very big moreover, increased the rate of utilization in soil.
Description
Technical Field
The invention relates to the technical field of photovoltaic power generation equipment, in particular to an electric power distribution cabinet for a photovoltaic power station.
Background
The power electric power distribution cabinet is an effective management device which is used for intensively arranging a switching device, an electric element, a measuring instrument, a protection device and an auxiliary electric appliance and forming ordered operation, and is widely used due to the characteristics of small volume, simple and convenient installation, no field limitation, stable and reliable operation, high space utilization rate and the like.
Wherein, the photovoltaic power station is an efficient, stable and sustainable place for generating power by using solar energy, the use of the power distribution cabinet is inevitable, but the photovoltaic power station usually selects an area with larger sunshine amount to ensure sufficient solar energy, thereby causing higher ground surface temperature in the area, the existing power distribution cabinets are all installed on the ground, further causing longer time of the power distribution cabinet being irradiated by sunshine, the temperature of the meter shell is higher, the temperature of the meter shell is mutually influenced with the heat generated by the electric elements in the power distribution cabinet, the internal temperature of the power distribution cabinet is sharply increased, and the air temperature in the area is higher along with the higher ground surface temperature, thereby causing the heat in the electric appliance cabinet to be difficult to be emitted, the use efficiency of the power distribution cabinet is seriously influenced, and the occupied area of the power distribution cabinet installed on the ground is larger, the utilization rate of the land is reduced.
Disclosure of Invention
Technical problem to be solved
The invention provides a power electrical distribution cabinet for a photovoltaic power station, which has the advantages of no influence of sunlight irradiation and outside airflow temperature, good heat dissipation effect, reduction of investment of heat dissipation equipment, no occupation of ground surface area and improvement of utilization rate of the ground, solves the problem that the photovoltaic power station usually selects an area with larger sunshine amount to ensure sufficient solar energy, so that the ground surface temperature of the area is higher, the existing distribution cabinets are arranged on the ground, so that the sunlight irradiation time of the distribution cabinet is longer, the temperature of a shell is higher, the shell and the heat generated by an internal electrical element of the distribution cabinet are mutually influenced, so that the internal temperature of the distribution cabinet is rapidly increased, and the heat in the area is difficult to be dissipated along with the higher ground surface temperature, so that the use efficiency of the distribution cabinet is seriously influenced, and the floor area of the power distribution cabinet arranged on the ground is large, and the land utilization rate is reduced.
(II) technical scheme
The invention provides the following technical scheme: an electric power distribution cabinet for a photovoltaic power station comprises a ground soil layer, wherein a sealing baffle is arranged inside the ground soil layer, the outer surface of the sealing baffle is fixedly provided with a heat dissipation conduit, the bottom of the inner cavity of the sealing baffle is fixedly provided with a supporting bottom plate, the top end of the supporting bottom plate is provided with a fixed sleeve, and the inner part of the fixed sleeve is movably sleeved with a power distribution cabinet frame, four corners at the top end of the power distribution cabinet frame are respectively and fixedly connected with the top end of the supporting bottom plate through four groups of lifting mechanisms, both sides of the bottom end of the power distribution cabinet frame are provided with fixed fixture blocks, one side of the top end of the power distribution cabinet frame is provided with a gas injection interface, the top end of the power distribution cabinet frame is in threaded connection with a sealing top plate positioned at the top of the sealing baffle plate through four groups of connecting bolts, and the sealing baffle plate is connected with the sealing top plate in a sealing way through a sealing ring, and a water injection pipeline is arranged on the periphery of the sealing baffle plate.
Preferably, the heat dissipation pipe adopts a stainless steel round pipe structure, and one end extending to the ground soil layer is provided with a sealing structure.
Preferably, the inside of the fixed clamping block adopts a V-shaped structure, and the openings of the two groups of fixed clamping blocks in the V-shaped structure are arranged horizontally downwards.
Preferably, the bottom end of the gas injection interface is respectively communicated with the inner cavities of the four groups of lifting mechanisms, and an internal thread sealing plug is arranged inside the gas injection interface.
Preferably, the bottom of water injection pipeline establishes to the toper structure, and is equipped with the water conservancy diversion hole at the surface of water injection pipeline is even.
Preferably, turf is planted on the top of the ground soil layer, and a well mouth plugged by an inspection well cover is arranged in an area right above the sealing baffle.
(III) advantageous effects
The invention has the following beneficial effects:
1. this a power electrical power switch board for photovoltaic power generation station through the installation setting of burying formula to this switch board, under the great environment of sunshine volume, can effectually avoid shining of sunshine, or the influence of ambient temperature's high temperature air current to this switch board to reduced ambient temperature to the influence of this switch board, adopted the occupation of land space of this switch board of reduction that the buried switch board can be very big moreover, increased the rate of utilization in soil.
2. This an electric power switch board for photovoltaic power station, through the setting of heat dissipation pipe, the area of contact between the heat that produces in this switch board of effectual increase and the soil, and then the heat transfer efficiency between increase cabinet switch board and the soil, utilize the thermal capacity and the heat-conduction of soil to come to carry out the thermal-radiation treatment to this switch board, when guaranteeing this electric power switch board radiating effect, reduce the input to this switch board heat-radiating equipment.
3. This an electric power switch board for photovoltaic power station, to the setting of water injection pipeline, can suitably pour into certain water yield toward the soil in this switch board installing zone, with the humidity of less water yield increase this regional soil, thereby improve the size of soil thermal capacity, or pour into a certain amount of air into the soil in this region, with the air content in the increase soil, the heat conduction efficiency of soil has been improved, further improvement the radiating efficiency of this switch board, can effectual temperature that reduces this electric power switch board.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the invention at point A in FIG. 1;
FIG. 3 is an enlarged view of the point B in FIG. 1.
In the figure: 1. a ground soil layer; 2. sealing the baffle; 3. a heat dissipation conduit; 4. a support base plate; 5. fixing the sleeve; 6. a power distribution cabinet frame; 7. a lifting mechanism; 8. fixing the fixture block; 9. a gas injection port; 10. a connecting bolt; 11. sealing the top plate; 12. a seal ring; 13. a water injection pipeline.
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. 1-3, an electric power distribution cabinet for a photovoltaic power station comprises a ground soil layer 1, a sealing baffle 2 is arranged inside the ground soil layer 1, a heat dissipation pipe 3 is fixedly arranged on the outer surface of the sealing baffle 2, one end of the heat dissipation pipe 3 extends into the ground soil layer 1, the other end of the heat dissipation pipe 3 extends into the inner cavity of the sealing baffle 2, a supporting bottom plate 4 is fixedly arranged at the bottom of the inner cavity of the sealing baffle 2, a fixing sleeve 5 is arranged at the top end of the supporting bottom plate 4, a distribution cabinet frame 6 is movably sleeved inside the fixing sleeve 5, four corners at the top end of the distribution cabinet frame 6 are respectively and fixedly connected with the top end of the supporting bottom plate 4 through four groups of lifting mechanisms 7, fixing clamping blocks 8 are arranged on two sides of the bottom end of the distribution cabinet frame 6, a gas injection interface 9 is arranged on one side of the top end of the distribution cabinet frame 6, and a sealing top plate 11 positioned at the top of the sealing, and the sealing baffle 2 is connected with the sealing top plate 11 in a sealing way through a sealing ring 12, and a water injection pipeline 13 is arranged on the periphery of the sealing baffle 2.
Wherein, the power electric power distribution cabinet of the photovoltaic power station is arranged underground, because the sunshine used in the photovoltaic power generation area is large, the temperature of the shell of the distribution cabinet is high under the condition of sunshine irradiation, the power electric power distribution cabinet is mutually influenced with the heat generated by the electric elements in the distribution cabinet, the heat in the distribution cabinet is difficult to be radiated, the heat radiation effect of the distribution cabinet is poor, the use efficiency is low, even if the distribution cabinet is arranged indoors, the temperature of the air is high under the environment with high earth surface temperature, the effect of adopting air cooling heat radiation is poor, the special refrigeration equipment is required to be adopted to carry out heat radiation treatment on the distribution cabinet, the investment on the equipment and the consumption of resources are large, and a buried distribution cabinet is adopted, the direct irradiation of the sunshine can be effectively avoided by utilizing the soil, the air with high earth surface temperature is isolated, and the heat capacity and the heat conduction of the soil are utilized to carry out, the temperature that can effectual reduction this switch board has reduced the input to heat-radiating equipment simultaneously, and the result of use is better, the reliability is higher.
In this technical scheme, what heat dissipation pipe 3 adopted is stainless steel pipe structure, and extend to the one end of ground soil horizon 1 and establish to seal structure.
Wherein, to the setting of heat dissipation pipe 3 material and structure, reduced soil to the corruption of heat dissipation pipe 3, prolonged its life, increase the area of contact between heat and the soil in this switch board simultaneously, and then the heat transfer between increase cabinet switch board and the soil, and then improve this electric power distribution cabinet's radiating effect.
In the technical scheme, the inside of the fixed clamping block 8 adopts a V-shaped structure, and the openings of the two groups of fixed clamping blocks 8 of the V-shaped structure are horizontally arranged downwards.
Wherein, to the setting of fixed fixture block 8 "V" style of calligraphy structure, when raising this switch board and installing and maintaining to ground, can adopt the crowbar to support in the bottom of switch board frame 6 in order to reduce the pressure of long-time maintenance in-process elevating system 7, and then prolonged elevating system 7's life, improved stability and security when promoting this switch board to ground and installing and maintaining simultaneously.
In the technical scheme, the bottom ends of the gas injection interfaces 9 are respectively communicated with the inner cavities of the four groups of lifting mechanisms 7, and the gas injection interfaces 9 are internally provided with internal thread sealing plugs.
Wherein, to the setting of gas injection interface 9, the mode of connection air pump at any time is in order to exert pressure the action to elevating system 7, and then promotes distribution cabinet frame 6 subaerial, and to the setting of internal thread sealing plug, when not using gas injection interface 9, can effectively form the shutoff to elevating system 7 to prevent that tiny dust in the air from getting into wherein, causes the friction damage to its inside airtight part.
In this technical scheme, the bottom of water injection pipeline 13 is established to the toper structure, and is equipped with the water conservancy diversion hole at water injection pipeline 13's surface is even.
Wherein, to water injection pipeline 13's setting, when the multiunit switch board is installed jointly, can suitably pour into certain water yield into in the soil in this switch board installing zone, with the humidity of this regional soil of less water yield increase, thereby improve the size of soil thermal capacity, or pour into a certain amount of air into to this regional soil, with the air content in the increase soil, the heat conduction efficiency of soil has been improved, further improvement the radiating efficiency of this switch board, can the effectual temperature that reduces this electric power switch board.
In the technical scheme, turf is planted at the top of the ground soil layer 1, and a well mouth blocked by an inspection well cover is arranged in an area right above the sealing baffle 2.
Wherein, to the setting of 1 top turf on ground soil horizon, can effectual separation soil to the thermal absorption of illumination, utilize the root system structure of turf simultaneously can the effectual moisture of preserving in the soil to keep the humidity increase soil's of soil thermal capacity, and then improved its radiating effect to this switch board.
The use method and the working principle of the embodiment are as follows:
firstly, an inspection well cover at the top of a ground soil layer 1 is opened to expose a well mouth, then a connecting bolt 10 is loosened, a sealing top plate 11 is taken out to expose a power distribution cabinet frame 6 inside, then an internal thread sealing plug in an air injection port 9 is taken out and an air pump is connected, an air pressure is utilized to push a lifting mechanism 7 to drive the power distribution cabinet frame 6 to move upwards and lift the power distribution cabinet frame to the ground, meanwhile, a crowbar is utilized to clamp and support the power distribution cabinet frame 6 with the ground, then an electric wire is connected with various electrical components in the power distribution cabinet frame 6 through a tank chain, then the crowbar is taken away, the power distribution cabinet frame 6 is slowly put down through the lifting mechanism 7 by utilizing the air pump, so that the bottom end of the power distribution cabinet frame 6 is in contact and sleeve joint with the inner wall of a fixed sleeve 5, then the internal thread is installed, the sealing top plate 11 is in threaded connection with the power distribution cabinet frame 6, finally the inspection, the power distribution cabinet can be started, when the electric elements in the power distribution cabinet generate heat, the heat continuously moves and is transferred to the inner cavity of the heat dissipation guide pipe 3 and is dissipated to the ground soil layer 1 through heat transfer, and the heat dissipation operation of the power distribution cabinet is achieved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (6)
1. An electrical power distribution cabinet for photovoltaic power stations, comprising a ground soil layer (1), characterized in that: the ground soil layer (1) is internally provided with a sealing baffle (2), the outer surface of the sealing baffle (2) is fixedly provided with a heat dissipation pipe (3), the bottom of the inner cavity of the sealing baffle (2) is fixedly provided with a supporting bottom plate (4), the top end of the supporting bottom plate (4) is provided with a fixed sleeve (5), the inner part of the fixed sleeve (5) is movably sleeved with a power distribution cabinet frame (6), four corners at the top end of the power distribution cabinet frame (6) are respectively and fixedly connected with the top end of the supporting bottom plate (4) through four groups of lifting mechanisms (7), both sides of the bottom end of the power distribution cabinet frame (6) are respectively provided with a fixed fixture block (8), one side of the top end of the power distribution cabinet frame (6) is provided with a gas injection interface (9), and the top end of the power distribution cabinet frame (6) is in threaded connection with a sealing top plate (11) positioned at the top, and the sealing baffle plate (2) is connected with the sealing top plate (11) in a sealing way through a sealing ring (12), and a water injection pipeline (13) is arranged on the periphery of the sealing baffle plate (2).
2. Electric power and electrical distribution cabinet for photovoltaic power stations, according to claim 1, characterized in that: the heat dissipation pipe (3) adopts a stainless steel round pipe structure, and one end extending to the ground soil layer (1) is provided with a sealing structure.
3. Electric power and electrical distribution cabinet for photovoltaic power stations, according to claim 1, characterized in that: the inside of the fixed clamping blocks (8) adopts a V-shaped structure, and the openings of the two groups of fixed clamping blocks (8) of the V-shaped structure are horizontally arranged downwards.
4. Electric power and electrical distribution cabinet for photovoltaic power stations, according to claim 1, characterized in that: the bottom end of the gas injection interface (9) is respectively communicated with the inner cavities of the four groups of lifting mechanisms (7), and an internal thread sealing plug is arranged inside the gas injection interface (9).
5. Electric power and electrical distribution cabinet for photovoltaic power stations, according to claim 1, characterized in that: the bottom of water injection pipeline (13) is established to the toper structure, and is equipped with the water conservancy diversion hole at the surface of water injection pipeline (13) is even.
6. Electric power and electrical distribution cabinet for photovoltaic power stations, according to claim 1, characterized in that: turf is planted on the top of the ground soil layer (1), and a well mouth blocked by an inspection well cover is arranged in an area right above the sealing baffle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911040851.8A CN110829199A (en) | 2019-10-30 | 2019-10-30 | Power electrical power distribution cabinet for photovoltaic power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911040851.8A CN110829199A (en) | 2019-10-30 | 2019-10-30 | Power electrical power distribution cabinet for photovoltaic power station |
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| CN110829199A true CN110829199A (en) | 2020-02-21 |
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| CN201911040851.8A Pending CN110829199A (en) | 2019-10-30 | 2019-10-30 | Power electrical power distribution cabinet for photovoltaic power station |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111525413A (en) * | 2020-05-19 | 2020-08-11 | 哈尔滨闪亮不锈钢制品有限公司 | Power box |
| CN112350200A (en) * | 2020-12-23 | 2021-02-09 | 国网河南省电力公司桐柏县供电公司 | Bury power equipment's self-ventilation structure |
| CN113644570A (en) * | 2021-08-12 | 2021-11-12 | 张二重 | Municipal administration circuit is with burying formula switch board with lifting structure |
| CN113783124A (en) * | 2021-09-22 | 2021-12-10 | 广西电力职业技术学院 | Intelligent building power distribution cabinet protection device |
| CN116053970A (en) * | 2023-03-07 | 2023-05-02 | 江苏宏邦电力科技有限公司 | Sedimentation type power distribution cabinet for outdoor use |
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| CN113644570A (en) * | 2021-08-12 | 2021-11-12 | 张二重 | Municipal administration circuit is with burying formula switch board with lifting structure |
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| CN116053970B (en) * | 2023-03-07 | 2023-11-28 | 江苏宏邦电力科技有限公司 | Sedimentation type power distribution cabinet for outdoor use |
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Application publication date: 20200221 |