CN220254132U - Photovoltaic direct-current power distribution system for coal mine combined building - Google Patents
Photovoltaic direct-current power distribution system for coal mine combined building Download PDFInfo
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- CN220254132U CN220254132U CN202321843641.4U CN202321843641U CN220254132U CN 220254132 U CN220254132 U CN 220254132U CN 202321843641 U CN202321843641 U CN 202321843641U CN 220254132 U CN220254132 U CN 220254132U
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- 239000003245 coal Substances 0.000 title claims abstract description 19
- 230000003287 optical effect Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 9
- 239000000306 component Substances 0.000 description 4
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- 238000009434 installation Methods 0.000 description 3
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
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- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
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Abstract
The utility model provides a photovoltaic direct-current power distribution system of a coal mine combined building, and belongs to the technical field of photovoltaic direct-current power distribution control of the coal mine combined building; the technical problems to be solved are as follows: the hardware structure of the photovoltaic direct-current power distribution system of the coal mine combined building is improved; the technical scheme adopted for solving the technical problems is as follows: the photovoltaic panel assembly comprises a photovoltaic panel assembly, an alternating current power supply and a distribution load, wherein the output end of the photovoltaic panel assembly is connected with a direct current combiner box, the output end of the direct current combiner box is connected with an optical Fu Zhiliu converter, the output end of the optical Fu Zhiliu converter is connected with the output end of the converter in parallel and then is connected with the power input end of the distribution load, and the input end of the converter is connected with the alternating current power supply; the power distribution load specifically comprises a multi-path miner lamp charging rack and a lighting lamp; the utility model is applied to the coal mine combined building.
Description
Technical Field
The utility model provides a photovoltaic direct-current power distribution system for a coal mine combined building, and belongs to the technical field of photovoltaic direct-current power distribution control of the coal mine combined building.
Background
The mandatory engineering construction specifications currently implemented require that a newly built building should be provided with a solar energy system, and besides industrial buildings without heating and air conditioning systems, common buildings are all required to be provided with the solar energy system, and the photovoltaic power generation assembly enables core components of the building; at present, a lamp house is arranged in a building, a miner lamp charging frame is arranged in the lamp house, and lighting lamps are arranged in the building, so that direct-current power sources can be used for the electric equipment, and a solar energy system is selected for supplying power to the electric equipment, so that the construction and use cost of the building can be effectively reduced.
The distribution load that jointly uses inside building all is direct current load, the direct current power supply who produces roofing photovoltaic board is required, direct supply load, however the direct current distribution electric wire netting structure that uses at present is comparatively complicated, need set up links such as equipment such as dc-to-ac and its cable wiring between direct current power supply and load end, the distribution structure that requires to set up direct current to exchange, exchange again to become direct current for the utilization efficiency to the electric energy becomes low, and electric energy control is comparatively difficult, also will lead to the direct current purity degree of output low, influences the power consumption safety of whole photovoltaic distribution circuit.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and solves the technical problems that: the hardware structure of the photovoltaic direct-current power distribution system of the coal mine combined building is improved.
In order to solve the technical problems, the utility model adopts the following technical scheme: the photovoltaic direct-current power distribution system for the coal mine combined building comprises a photovoltaic panel assembly, an alternating-current power supply and a power distribution load, wherein the output end of the photovoltaic panel assembly is connected with a direct-current combiner box, the output end of the direct-current combiner box is connected with an optical Fu Zhiliu converter, the output end of the optical Fu Zhiliu converter is connected with the output end of the converter in parallel and then is connected with the power input end of the power distribution load, and the input end of the converter is connected with the alternating-current power supply;
the power distribution load specifically comprises a multi-path miner lamp charging rack and a lighting lamp.
The power distribution load is specifically connected with the photovoltaic direct current converter and the converter through power lines, and the model specification of the power lines is WDZA-BYJ-SC20-FC0.8KW.
The power input end of the distribution load is also provided with a breaker;
the model specification of the circuit breaker is DS202-C16/0.03.
Compared with the prior art, the utility model has the following beneficial effects: the photovoltaic direct-current power distribution control system is mainly applied to a combined building used in the coal industry, a miner lamp charging frame in a lamp house arranged in the building can directly supply direct-current power, and direct-current power of a roof photovoltaic panel is directly supplied to a load end through direct-current power supply of a bathroom and corridor lighting lamp in the building; the utility model adopts direct photovoltaic and photovoltaic converter to output direct power supply aiming at two types of direct current loads of the miner lamp charging frame and the lighting lamp in the combined building, so as to simplify the system, reduce the manufacturing cost, reduce the construction and installation cost, simplify the structure of the power distribution system in the building, and improve the utilization rate of electric energy.
Drawings
The utility model is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
in the figure: the photovoltaic power generation system comprises a photovoltaic panel assembly 1, an alternating current power supply 2, a distribution load 3, a direct current combiner box 11, a photovoltaic direct current converter 12 and a converter 21.
Detailed Description
As shown in fig. 1, the utility model specifically provides a photovoltaic direct current power distribution control system for a coal mine combined building, which is based on the engineering construction specifications implemented at present, aims at direct current power utilization loads in the building, integrates the photovoltaic direct current power distribution system in the coal mine combined building, and is required to realize low-cost utilization of the photovoltaic power supply to supply the power utilization loads on the basis of meeting the engineering specification requirements.
Furthermore, the power distribution system provided by the utility model distributes power to direct current loads in the coal combined building by using a roof photovoltaic direct current power supply; the utility model adopts the structure of the power distribution loop at the power utilization side to directly supply power to the miner lamp charging frame and the lighting lamp by direct current, simplifies the structure of a power supply system, adopts the structure of directly supplying power to the output of the photovoltaic converter by the photovoltaic panel, and directly supplies the photovoltaic direct current power to a direct current load, namely directly supplies power to the miner lamp charging frame and the lighting lamp in the combined building; the utility model directly supplies the DC power supply of the roof photovoltaic panel to the load end, and as devices such as an inverter and links such as cable wiring thereof are saved, a power distribution structure for converting DC into AC and converting AC into DC is saved, the DC transmission is directly adopted to enable the electric energy to be more convenient to control, the output and use electric energy is cleaner and more stable, the safety and the reliability are improved along with the electric energy, and meanwhile, the energy conversion efficiency is higher and the engineering cost is lower; according to the utility model, while the structure of the photovoltaic direct current power distribution system is simplified, in the whole engineering design of the joint construction project, the construction installation conditions such as pipeline routing, reserved holes and the like are preset in the construction process, and the occupied area (space) of equipment is reduced due to the simplified system structure, so that the construction difficulty and the engineering cost are reduced in the whole construction and operation process of the whole building.
Furthermore, the power distribution control system adopted by the utility model mainly comprises an AT-DF miner lamp charging rack double-power-supply switching box system, and a power supply side loop of the power distribution control system is provided with an independent photovoltaic power supply loop and an independent alternating-current power supply loop, so that one path of power supply is interrupted while the other path of power supply can be kept to supply power, and the continuous power supply of the whole power distribution control system is ensured.
Compared with the structure of the power distribution system, if the power distribution system is formed according to a general traditional photovoltaic power distribution system, an inverter is required to be arranged between a direct current combiner box and a transmission cable, and then electric energy is transmitted to a load through an alternating current power distribution device; according to the utility model, through improving the power distribution structure, aiming at the characteristic that a miner lamp charging rack and a lighting lamp in a coal mine combined building can adopt direct current power supply, a direct photovoltaic and photovoltaic converter is adopted to output a direct power supply power distribution structure, a direct current power supply output by a direct current combiner box is directly supplied to a direct current load through the photovoltaic and direct current converter, the installation of devices such as inversion is omitted, the purpose of simplifying the circuit structure of a power supply system is realized, and the direct current power supply of a roof photovoltaic panel can be directly supplied to a load end of the combined building for use.
In the embodiment of the utility model, an application site is selected to construct eight layers of coal mine combined buildings on a certain place, the building area is tens of thousands of square meters, and the miner lamp houses are arranged on three layers; in view of the power distribution requirement of the roof of the combined building, an electric vertical shaft needs to be lifted to the roof, the net area of each layer below eight layers of electric shafts is 2.2 square meters, and the electric shafts are enlarged to 6.6 square meters when lifted to the roof, so that equipment such as a combiner box, a direct current converter and the like can be placed; the number of miner's lamps in the combined building is 1100, 11 charging frames are arranged in total, the number of miner's lamps in each charging frame is 100, 11 charging loops are arranged in total, and as shown in a power distribution system of fig. 1, direct current is supplied to the 11 loops; when no direct current exists, the charging loop is connected with an alternating current power supply after double-cutting boxes are used;
for this reason, 20 plates 540 are required to be arranged on the roof of the combined building, the installed capacity is 10.8kWp, the annual energy generation is about 1.485 ten thousand degrees, the combiner box and the direct current converter are placed in the electric well of the roof, and the distribution cable is laid down to the load along the electric well; for the illumination lamps of the toilets and hallways in the building, 6 540 plates can be paved on the roof, the installed capacity is 3.24kWp, and the annual energy production is about 0.45 ten thousand degrees; the area of the roof suitable for paving the photovoltaic panels is 810 square meters, and the occupied area for paving 26 photovoltaic panels is one tenth of that of an effective roof.
After the utility model is put into use, 5320 yuan can be saved approximately every year according to 80% of electricity of 1.4 ten thousand degrees and 0.475 yuan, 5.6 tons of standard coal can be saved every year, and the emission of carbon dioxide is reduced by about 14 tons.
The specific structure of the utility model needs to be described that the connection relation between the component modules adopted by the utility model is definite and realizable, and besides the specific description in the embodiment, the specific connection relation can bring about corresponding technical effects, and on the premise of not depending on execution of corresponding software programs, the technical problems of the utility model are solved, the types of the components, the modules and the specific components, the connection modes of the components and the expected technical effects brought by the technical characteristics are clear, complete and realizable, and the conventional use method and the expected technical effects brought by the technical characteristics are all disclosed in patents, journal papers, technical manuals, technical dictionaries and textbooks which can be acquired by a person in the field before the application date, or the prior art such as conventional technology, common knowledge in the field, and the like, so that the provided technical scheme is clear, complete and the corresponding entity products can be reproduced or obtained according to the technical means.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (3)
1. The utility model provides a colliery is building photovoltaic direct current distribution system jointly, includes photovoltaic board subassembly (1), alternating current power supply (2), distribution load (3), its characterized in that: the output end of the photovoltaic panel assembly (1) is connected with a direct current combiner box (11), the output end of the direct current combiner box (11) is connected with a light Fu Zhiliu converter (12), the output end of the photovoltaic direct current converter (12) is connected with the output end of a converter (21) in parallel and then is connected with the power input end of a power distribution load (3), and the input end of the converter (21) is connected with an alternating current power supply (2);
the power distribution load (3) specifically comprises a multi-path miner lamp charging rack and a lighting lamp.
2. A photovoltaic direct current power distribution system for coal mine combined building as claimed in claim 1, wherein: the power distribution load (3) is specifically connected with the photovoltaic direct current converter (12) and the converter (21) through power lines, and the model specification of the power lines is WDZA-BYJ-SC20-FC0.8KW.
3. A photovoltaic direct current power distribution system for coal mine combined building as claimed in claim 1, wherein: the power input end of the distribution load (3) is also provided with a breaker;
the model specification of the circuit breaker is DS202-C16/0.03.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321843641.4U CN220254132U (en) | 2023-07-13 | 2023-07-13 | Photovoltaic direct-current power distribution system for coal mine combined building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321843641.4U CN220254132U (en) | 2023-07-13 | 2023-07-13 | Photovoltaic direct-current power distribution system for coal mine combined building |
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| Publication Number | Publication Date |
|---|---|
| CN220254132U true CN220254132U (en) | 2023-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321843641.4U Active CN220254132U (en) | 2023-07-13 | 2023-07-13 | Photovoltaic direct-current power distribution system for coal mine combined building |
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| Country | Link |
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| CN (1) | CN220254132U (en) |
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2023
- 2023-07-13 CN CN202321843641.4U patent/CN220254132U/en active Active
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