CN210380361U

CN210380361U - Solar micro-grid system for park

Info

Publication number: CN210380361U
Application number: CN201920886521.XU
Authority: CN
Inventors: 盛明清; 张国兵
Original assignee: Chongqing Haoqi Construction Engineering Co Ltd
Current assignee: Chongqing Haoqi Construction Engineering Co Ltd
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-04-21
Anticipated expiration: 2029-06-13

Abstract

The utility model relates to a power supply and distribution technical field specifically discloses a park solar energy microgrid system, including street lamp main part and the bench of taking photovoltaic module, the street lamp main part includes street lamp, second storage battery, the bench of taking photovoltaic module includes first storage battery and the electric motor car interface that charges, first storage battery and second storage battery are parallelly connected. According to the technical scheme, the park geographical environment is utilized to build a distributed micro-grid system, solar energy is fully converted and utilized, and the beneficial effect of relieving urban power supply pressure is achieved; meanwhile, the photovoltaic module on the bench is arranged right above the bench and has the effects of shading sun and shielding rain. Furthermore, the photovoltaic module is arranged at the top of the street lamp main body, so that the solar energy conversion efficiency of the micro-grid system can be improved; all the storage battery packs are connected in parallel, so that energy storage is more uniform, and charging and discharging can be more stable.

Description

Solar micro-grid system for park

Technical Field

The utility model relates to a power supply and distribution technique especially relates to a park solar energy microgrid system.

Background

As power networks continue to extend, the overall power system becomes increasingly large and complex, and the power supply becomes very tight. In recent years, energy-saving measures according to local conditions and local conditions in local application environments have achieved remarkable effects, and various advanced technologies are brought forward under the continuous encouragement of government and government organization policies, and particularly, full attention and display are paid to development and utilization of new energy technologies.

The micro-grid power supply system based on the distributed power supply is an important research subject for development and utilization of new energy, and at present, actual engineering case schemes are numerous, and most of the micro-grid power supply system is laid out and developed according to a specific utilization environment. The micro-grid power supply and distribution technology is originally developed in mountainous areas, islands or grassland areas with special regions, and as the technology is mature and the current situation of urban power supply is combined, the application environment of the current micro-grid technology gradually begins to shift to cities.

The park is often in the open area of the city, can be fully irradiated by sunlight, and is a good place for people to enjoy leisure and entertainment. Especially in large parks, how to fully utilize solar energy to meet the basic electricity utilization in the parks is a brand new subject at present. Therefore, a brand new power supply scheme using solar energy as energy is needed to be laid out, so that the geographic advantages of the park are optimally utilized, the solar energy is converted into electric energy to be supplied to power equipment in the park for use, and the purposes of reducing the urban power supply pressure and realizing energy conservation are achieved.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to improve the technical scheme who exists now, provide a park solar energy microgrid power supply system.

The existing power supply mode of the power equipment in the park is not in line with the current application trend, and when new equipment facilities are introduced and used, a more optimized power supply mode needs to be provided so as to achieve the purpose of fully utilizing energy. The utility model adopts the following technical scheme:

a solar micro-grid system for a park is characterized by comprising a street lamp main body and a bench with a first photovoltaic assembly; the street lamp main body further comprises a street lamp and a second cavity base, wherein a second storage battery pack for supplying power to electric equipment is arranged in the second cavity base; the bench also comprises a first cavity base, a bench backrest and bench support frames, wherein the bench support frames are formed by a first support rod and a second support rod in a triangular frame shape, the ends, which are not intersected, of the first support rod and the second support rod are connected with the first cavity base, and the two bench support frames are respectively arranged at the two ends of the back surface of the first cavity base; a first storage battery pack for supplying power to electric equipment is arranged in the first cavity base; an electric vehicle charging interface is embedded in the first cavity base; the first photovoltaic module is supported and installed at the upper end of the bench backrest by photovoltaic module supporting frames, the photovoltaic module supporting frames are composed of end points where a first inclined supporting rod, a second inclined supporting rod and a vertical supporting rod intersect with the bench backrest, and two groups of the photovoltaic module supporting frames are respectively located at two ends of the top of the bench backrest; the first photovoltaic module is electrically connected with the first storage battery pack, and the second storage battery pack is connected with the first storage battery pack in parallel; the first storage battery pack is connected with the charging interface of the electric vehicle after being inverted by the first inverter; and the second storage battery pack is connected with the street lamp after being inverted by the second inverter.

Preferably, the electric vehicle charging interface is arranged on the back surface of the first cavity base.

Furthermore, there are multiple groups of charging interfaces of the electric vehicle.

Preferably, the first battery pack has a plurality of groups.

Preferably, the street lamp main body and the bench with the first photovoltaic module are both provided with a plurality of parts.

Further, the street lamp main body and the storage batteries of the bench are connected in parallel.

Preferably, the street lamp main body further comprises a second photovoltaic module arranged at the top end of the street lamp main body; and the second photovoltaic module is connected with a second storage battery pack.

Preferably, the street lamp main body is installed in a sunny place.

Preferably, the system further comprises a ground lamp, and the ground lamp is connected with the first inverter or the second inverter.

The utility model discloses following beneficial effect has:

1. the utility model discloses park solar energy microgrid system, the open geographical advantage in make full use of park turns into the electric energy with solar energy, provides the power for the power equipment who distributes in the park, and this technical scheme complies with the development of park construction, optimizes the integration resource, has obvious engineering and guides the effect.

2. The utility model discloses park solar energy microgrid system takes into account city construction speed and presents explosive development, and the power consumption increases day by day, and the city is as load center power consumption and is growing gradually, and this technical scheme fully considers present city load sudden increase, adopts from building distributed solar energy microgrid system according to consumer service environment and solves local power supply problem, has the beneficial effect of practicing thrift main electric network electric energy and relieving city power supply pressure.

3. The utility model discloses park solar energy microgrid system utilizes park bench space structure, installs solar panel additional at the seat top, installs the battery below the seat, turns into the electric energy with solar energy and stores in the battery, then provides the power for the electric motor car charging interface on street lamp and the bench nearby; simultaneously, solar panel on the seat can also the sunshade rain, can build good amusement and recreation environment.

4. The utility model discloses park solar energy microgrid system adopts street lamp photovoltaic module and bench photovoltaic module mode of being incorporated into the power networks, has promoted the efficiency of solar energy conversion, has the beneficial effect of each consumer power supply capacity in the abundant guarantee microgrid.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural connection diagram of a solar micro grid power supply system according to the present invention;

fig. 2 is a first structural schematic view of a bench of the solar microgrid power supply system of the present invention;

fig. 3 is a schematic structural view of a bench of the solar microgrid power supply system of the present invention;

FIG. 4 is a schematic view of the street lamp of the solar microgrid power supply system of the present invention;

FIG. 5 is a schematic diagram of the solar micro grid power supply system of the present invention;

fig. 6 is an electrical schematic diagram of the solar micro grid power supply system including the street lamp power generation photovoltaic module according to the present invention.

Detailed Description

The invention will now be further described with reference to the accompanying drawings.

Example 1:

a park solar micro-grid system as shown in figure 1 is provided with a street lamp main body 2 and a bench 4 with a first photovoltaic component 3; the street lamp main body 2 is also provided with a street lamp 23 and a second cavity base 21, wherein a second storage battery pack 22 for supplying power to electric equipment is arranged in the second cavity base 21; the bench 4 further comprises a first cavity base 41, a bench back 43 and a bench support 44, wherein the bench support 44 is composed of a first support rod 441 and a second support rod 442 in a tripod shape, the ends of the first support rod 441 and the second support rod 442 which are not intersected are connected with the first cavity base 41, and two sets of bench supports 44 are respectively arranged at two ends of the back 411 of the first cavity base 41; a first storage battery pack 42 for supplying power to the electric equipment is arranged in the first cavity base 41; the first cavity base 41 is provided with an electric vehicle charging interface 6 in an embedded manner; the first photovoltaic module 3 is supported and installed at the upper end of the bench backrest 43 through a photovoltaic module support frame 5, wherein the photovoltaic module support frame 5 is composed of a first inclined support rod 51, a second inclined support rod 53 and a vertical support rod 52 which are intersected with the bench backrest 43 at end points, and two groups of photovoltaic module support frames 5 are respectively positioned at two ends of the top of the bench backrest 43; the first photovoltaic module 3 is electrically connected with the first storage battery pack 42 and the second storage battery pack 22 respectively; the first storage battery pack 42 is connected with the electric vehicle charging interface 6 after being inverted by the first inverter 421; the second battery pack 22 is connected to the street lamp 23 after being inverted by the second inverter 221. Since there are many trees in the park, the bench 4 is installed in a place where sunlight can be irradiated for a long time in order to achieve a good effect.

The first photovoltaic module 3 is supported and installed at the upper end of the bench backrest 43 by the photovoltaic module support frame 5, wherein the photovoltaic module support frame 5 is composed of a first inclined support rod 51, a second inclined support rod 53 and a vertical support rod 52 which are intersected at end points, and the photovoltaic module support frames 5 are divided into two groups which are respectively positioned at two ends of the top of the bench backrest 43. Of course, the first photovoltaic module 3 can be elevated in order to satisfy the requirement that a person has sufficient space for movement inside the bench 4. The preferred scheme is to select the vertical support rod 52 that length is longer, and first bracing strut 51 and second bracing strut 53 weld in vertical support rod 52 by a certain suitable position in the middle to this reaches the purpose of firm first photovoltaic module 3, also can have certain activity space simultaneously.

As shown in fig. 5, the first photovoltaic module 3 converts solar energy into electric energy, and is electrically connected to the first storage battery pack 42 to store redundant electric energy in the battery, when the photovoltaic module stops converting energy, the electric energy is automatically output from the first storage battery pack 42, and direct current in the storage battery is inverted into alternating current by the first inverter 421 and then is provided to the electric vehicle charging interface 6 for standby; at the same time, in order to make the energy storage more sufficient, second battery pack 22 is connected in parallel to first battery pack 42, so that the electric vehicle charging interface 6 is actually supplied with electric energy from second battery pack 22. Also, when the photovoltaic power generation is stopped, the power of the street lamp 23 is obtained by inverting the first battery pack 42 and the second battery pack 22 via the second inverter 221.

The bench 4 needs to perform both the basic functions and the solar energy conversion and the human design, and therefore, in addition to having sufficient height space, the area of the solar panel (including the length and width) needs to be considered. The short side of the first photovoltaic module 3 is twice of the short side of the bench 4, and the vertical support rod 52 is supported in the middle of the short sides of the first photovoltaic module 2, namely, the electric vehicle behind the seat and the lower seat can be blocked at the same time, so that the functions of shading sun and shielding rain are realized.

Example 2:

as shown in fig. 3 to 6, the street lamp main body 2 further includes a second photovoltaic module 24 installed at the top end of the street lamp main body 2, and the second photovoltaic module 24 is connected to the first photovoltaic module 3 installed on the bench 4 to form a distributed power supply. As shown in fig. 5, a second photovoltaic module 24 is connected to the second battery pack 22. The best installation position of the street lamp main body 2 is a place which can be irradiated by sunlight for a long time in a park. The formation of the distributed power supply microgrid is more beneficial to the conversion of solar energy, the energy can be fully utilized, and in addition, all storage batteries adopt a parallel connection mode, so that the generating capacity and the storage capacity of the whole microgrid can be effectively guaranteed.

Because the geographic environment in the park is various, although some places are completely wide, some places have tall and dense trees, and therefore the utilization rate of the photovoltaic module is low. Therefore, the preferable scheme is that the microgrid system simultaneously has the street lamp main body 2 with the photovoltaic component and the street lamp main body 2 without the photovoltaic component. The street lamp main bodies 2 are arranged according to specific environments, solar energy can be utilized, unnecessary equipment cost can be reduced, and the number of the various street lamp main bodies 2 in the micro-grid system is determined according to actual application environments.

Further, the microgrid system also comprises a ground lamp 1, and power is taken from the outlet end of the first inverter 421 or the second inverter 221. Park sound or other electric equipment can also be added into the micro-grid system. A plurality of benches 4, street lamp bodies 2 (street lamp bodies 2 with photovoltaic components or/and without photovoltaic components) and ground lamps 1 which form the microgrid can be installed according to actual conditions, and power supplies of all the devices are in parallel connection.

Example 3:

referring to fig. 3, based on the above embodiments 1 and 2, in order to make the energy storage of the microgrid system more sufficient for supplying a large amount of lighting and electric vehicles, the space inside the first cavity base 41 of the bench 4 may be fully utilized, a plurality of first battery packs 42 are installed inside the first cavity base 41 according to the size of the space, and the first battery packs 42 are electrically connected in parallel.

Due to the large park area, electric bicycles are often deployed. A plurality of electric vehicle charging interfaces 6 are arranged on the bench 4 with the photovoltaic module to charge the electric vehicle, and the electric vehicle charging interfaces 6 are arranged on the back of the bench 4, so that the electric vehicle can be stopped behind the bench 4 to be charged or parked, and configuration and space can be fully optimized.

To sum up, the utility model discloses park solar energy microgrid system combines the different structural feature of equipment in park geographical advantage and the park, establishes the microgrid system who uses take ottoman 4 and street lamp main part 2 of photovoltaic module as the core equipment, and the park resource has fully been integrated in the optimization, has wide market perspective.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. A park solar micro-grid system is characterized by comprising a street lamp main body (2) and a bench (4) with a first photovoltaic component (3);

the street lamp main body (2) further comprises a street lamp (23) and a second cavity base (21), wherein a second storage battery pack (22) for supplying power to electric equipment is arranged in the second cavity base (21);

the bench (4) further comprises a first cavity base (41), a bench backrest (43) and a bench support frame (44), wherein the bench support frame (44) is formed by a first support rod (441) and a second support rod (442) in a tripod shape, the ends, which are not intersected, of the first support rod (441) and the second support rod (442) are connected with the first cavity base (41), and two groups of bench support frames (44) are arranged at two ends of the back surface (411) of the first cavity base (41) respectively; a first storage battery pack (42) for supplying power to electric equipment is arranged in the first cavity base (41); the first cavity base (41) is provided with an electric vehicle charging interface (6) in an embedded manner;

the first photovoltaic module (3) is supported and installed at the upper end of the bench backrest (43) through a photovoltaic module support frame (5), wherein the photovoltaic module support frame (5) is formed by intersecting end points of a first inclined support rod (51), a second inclined support rod (53) and a vertical support rod (52) with the bench backrest (43), and two groups of photovoltaic module support frames (5) are respectively located at two ends of the top of the bench backrest (43);

the first photovoltaic module (3) is electrically connected with the first storage battery pack (42), and the second storage battery pack (22) is connected with the first storage battery pack (42) in parallel; the first storage battery pack (42) is connected with the electric vehicle charging interface (6) after being inverted by the first inverter (421); the second storage battery pack (22) is connected with the street lamp (23) after being inverted by a second inverter (221).

2. The park solar microgrid system of claim 1, wherein: the short side of the first photovoltaic module (3) is twice of the short side of the bench (4), and the vertical support rod (52) is vertically supported between the middle end of the short side of the first photovoltaic module (3) and the bench backrest (43).

3. The park solar microgrid system of claim 1, wherein: the electric vehicle charging interface (6) is arranged on the back surface (411) of the first cavity base (41).

4. The park solar microgrid system of claim 1 or 3, wherein: the electric vehicle charging interfaces (6) are provided with a plurality of groups.

5. The park solar microgrid system of claim 1, wherein: the first storage battery pack (42) is divided into a plurality of groups.

6. The park solar microgrid system of claim 1, wherein: the street lamp comprises a plurality of street lamp main bodies (2) and benches (4) with first photovoltaic modules (3).

7. The park solar microgrid system of claim 6, wherein: the street lamp main body (2) and the storage batteries of the bench (4) are connected in parallel.

8. The park solar microgrid system of claim 1, 6 or 7, characterized in that: the street lamp main body (2) further comprises a second photovoltaic assembly (24) arranged at the top end of the street lamp main body (2); the second photovoltaic module (24) is electrically connected to a second battery pack (22).

9. The park solar microgrid system of claim 8, wherein: the street lamp main body (2) is arranged at the position facing the sun.

10. The park solar microgrid system of claim 1, wherein: the ground lamp (1) is connected with the first inverter (421) or the second inverter (221).