CN217334771U

CN217334771U - Voltage control device with distributed photovoltaic power distribution network

Info

Publication number: CN217334771U
Application number: CN202220017243.6U
Authority: CN
Inventors: 祁标; 于志远
Original assignee: China University of Mining and Technology CUMT
Current assignee: China University of Mining and Technology CUMT
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-08-30
Anticipated expiration: 2032-01-06

Abstract

The utility model discloses a voltage control device who contains distributed photovoltaic distribution network, its technical scheme main points are: the photovoltaic cabinet door comprises a shell, wherein a through hole is formed in the top surface of the shell, a cabinet door is arranged on one side of the shell, two hinges are arranged on one side of the shell, the cabinet door is connected with the shell through the hinges, a handle is arranged on one side of the cabinet door, a protective shell is fixedly arranged on the inner bottom surface of the shell, and a photovoltaic panel is arranged on the top surface of the shell; cooling unit, cooling unit sets up the inside of shell is used for right the protective housing carries out cooling, through setting up the ventilation hole, the ventilation hole can increase the inside of shell and external environment's connectivity, has increased ventilation effect, shelters from the lid through the setting, shelters from the inside that the dew that the lid can avoid shell surface rolled into the shell through the ventilation hole, and through setting up the basin, the basin can be collected from the dew that photovoltaic board surface rolled down to the inside of pouring into the water storage box.

Description

Voltage control device with distributed photovoltaic power distribution network

Technical Field

The utility model relates to a photovoltaic power generation technical field, concretely relates to voltage control device who contains distributed photovoltaic distribution network.

Background

Distributed photovoltaic power generation generally means that users install and use the distributed photovoltaic power generation, the distributed photovoltaic power generation is particularly prevalent in areas with unsmooth power supply such as mountainous areas, and relevant subsidy policies have been issued in China for distributed photovoltaic power generation since 2018, which indicates that the distributed photovoltaic power generation is beneficial to the light speed development of a photovoltaic power station market.

For example, chinese patent publication No. CN208272649U, which discloses a distributed photovoltaic grid-connected dedicated box, wherein a large-scale electric meter and a grid-connected control and display device are eliminated, and an RTU-GPRS technology is adopted to perform remote voltage and current collection and remote grid-connected control, and there are no large-volume electrical components in the box, so that the box has a small overall size, remote grid-connected control, complete functions and convenient installation, and can prevent rain through a rain cover, and is suitable for outdoor installation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a voltage control device who contains distributed photovoltaic distribution network has solved because in the use, can produce a large amount of heats, and the heat accumulation is too much can lead to equipment failure's problem.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a voltage control apparatus comprising a distributed photovoltaic power distribution network, comprising: the photovoltaic cabinet comprises a shell, wherein a straight-through hole is formed in the top surface of the shell, a cabinet door is arranged on one side of the shell, two hinges are arranged on one side of the shell, the cabinet door is connected with the shell through the hinges, a handle is arranged on one side of the cabinet door, a protective shell is fixedly mounted on the inner bottom surface of the shell, and a photovoltaic panel is arranged on the top surface of the shell; and the cooling assembly is arranged in the shell and used for cooling the protective shell.

Through adopting above-mentioned technical scheme, through setting up the protective housing, the inside electronic component can be protected to the protective housing, prevents to receive the heavy stroke damage.

Preferably, the cooling assembly includes: two holes of airing exhaust, two the hole of airing exhaust is seted up respectively the both sides of protective housing, the inside bottom surface in the hole of airing exhaust is provided with the circuit box, the equal fixed mounting in both sides of circuit box has the water conservancy diversion piece, the hole has been seted up to the top surface of protective housing and has been cup jointed, the fixed cover of interior circle wall in the hole of cup jointing is equipped with the cooling ring, the inside of cooling ring is provided with the cooling fan, the top surface of protective housing is provided with the water storage box.

Through adopting above-mentioned technical scheme, through setting up the cooling ring, liquid can be stored to the inside of cooling ring, and when cooling fan work blown wind, the heat of wind inside can be absorbed by liquid, reaches the refrigerated purpose of circuit box cooling.

Preferably, the cooling assembly further comprises: the cooling device comprises a cooling ring, a plurality of through holes, a plurality of guide pipes, a water storage tank, a plurality of water leakage holes, a plurality of heat dissipation holes and a plurality of heat dissipation holes, wherein the plurality of through holes are formed in the top surface of the cooling ring; the adjusting piece is arranged on the top surface of the shell and used for adjusting the angle of the photovoltaic panel.

Through adopting above-mentioned technical scheme, through setting up the basin, the basin can be collected and rolled the dew that falls from the photovoltaic board surface to the inside of pouring into the water storage box, through setting up the water storage box, liquid can be stored to the water storage box, and when cooling ring internal portion liquid was not enough, inwards supply.

Preferably, the adjusting member includes: the fixed cover of line concentration pipe is established the interior round wall in through hole, the one end of line concentration pipe is provided with driving motor A, the one end fixed mounting of driving motor A rotation axis has the axis of rotation, the bottom surface fixed mounting of photovoltaic board has two solid fixed rings, gu fixed ring the interior round wall with the fixed cover of excircle wall of axis of rotation is established.

Through adopting above-mentioned technical scheme, through setting up driving motor A, when driving motor A's rotation axis was rotatory, can drive the photovoltaic board and rotate the angle that changes the photovoltaic board.

Preferably, two ventilation holes are formed in the two sides of the shell, shielding covers are fixedly mounted on the two sides of the shell, and the ventilation holes are located in the bottoms of the shielding covers.

Through adopting above-mentioned technical scheme, through setting up the ventilation hole, the ventilation hole can increase the inside of shell and external environment's connectivity, has increased ventilation effect, shelters from the lid through the setting, shelters from the inside that the dew that covers the surface can avoid the shell to roll into the shell through the ventilation hole.

Preferably, one side fixed mounting of solid fixed ring has driving motor B, inside one side of shell is provided with the PLC controller, inside one side of shell is provided with the electronic clock, driving motor A driving motor B, electronic clock and PLC controller electric connection.

Through adopting above-mentioned technical scheme, through setting up driving motor B, driving motor B can drive the photovoltaic board rotation through the rotation of rotation axis, and then keeps the photovoltaic board to be in the state that sunshine directly penetrates always.

To sum up, the utility model discloses mainly have following beneficial effect:

through setting up the basin, the basin can be collected and rolled the dew that falls from photovoltaic board surface to pour into the inside of water storage box, through setting up the water storage box, liquid can be stored to the water storage box, and when cooling ring inside liquid was not enough, inwards supply, through setting up the cooling ring, liquid can be stored to the inside of cooling ring, and when cooling fan work blown wind, the heat of wind inside can be absorbed by liquid, reaches the refrigerated purpose of circuit box cooling.

Through setting up the ventilation hole, the ventilation hole can increase the inside of shell and the connectivity of external environment, has increased ventilation effect, shelters from the lid through the setting, shelters from the lid and can avoid the dew on shell surface to roll into the inside of shell through the ventilation hole, and through setting up cooling module, cooling module can increase the stability of photovoltaic board when playing the operation.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the structure of the leakage hole of the present invention;

FIG. 3 is a schematic view of the cooling ring structure of the present invention;

fig. 4 is a partial structural view of a in fig. 3.

Reference numerals: 1. a housing; 2. a photovoltaic panel; 3. a water tank; 4. a cabinet door; 5. a weep hole; 6. a line collecting pipe; 7. driving a motor A; 8. a rotating shaft; 9. a fixing ring; 10. a drive motor B; 11. a through hole; 12. a shielding cover; 13. a protective shell; 14. a vent hole; 15. an air exhaust hole; 16. heat dissipation holes; 17. a flow guide block; 18. sleeving a hole; 19. a cooling ring; 20. a water storage tank; 21. connecting holes; 22. a communicating hole; 23. a through hole; 24. a conduit; 25. a circuit box.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1 and 2, a voltage control device including a distributed photovoltaic power distribution network comprises a housing 1, a through hole 11 is formed in the top surface of the housing 1, a cabinet door 4 is arranged on one side of the housing 1, two hinges are arranged on one side of the housing 1, the cabinet door 4 is connected with the housing 1 through the hinges, a handle is arranged on one side of the cabinet door 4, a protective casing 13 is fixedly installed on the inner bottom surface of the housing 1, a photovoltaic panel 2 is arranged on the top surface of the housing 1, a cooling assembly is arranged inside the housing 1 and used for cooling the protective casing 13, an adjusting member is arranged on the top surface of the housing 1 and used for adjusting the angle of the photovoltaic panel 2, two ventilation holes 14 are formed in both sides of the housing 1, shielding covers 12 are fixedly installed on both sides of the housing 1, the ventilation holes 14 are located at the bottoms of the shielding covers 12, and the ventilation holes 14 can increase the connectivity between the inside of the housing 1 and the external environment, the ventilation effect is increased.

Referring to fig. 1 and 2, the adjusting member includes a line collecting pipe 6, the line collecting pipe 6 is fixedly sleeved on an inner circular wall surface of the through hole 11, one end of the line collecting pipe 6 is provided with a driving motor a7, one end of a rotating shaft of the driving motor a7 is fixedly provided with a rotating shaft 8, the bottom surface of the photovoltaic panel 2 is fixedly provided with two fixing rings 9, the inner circular wall surface of the fixing rings 9 is fixedly sleeved on an outer circular wall surface of the rotating shaft 8, one side of the fixing rings 9 is fixedly provided with a driving motor B10, one side of the interior of the housing 1 is provided with a PLC controller, one side of the interior of the housing 1 is provided with an electronic clock, the driving motor a7, the driving motor B10 and the electronic clock are electrically connected with the PLC controller, the PLC controller controls the number of rotation turns of the rotating shafts of the driving motor a7 and the driving motor B10 according to time information sent by the electronic clock, and then the angle of the photovoltaic panel 2 is controlled, so that the photovoltaic panel 2 is always in a state of direct sunlight.

Referring to fig. 2, 3 and 4, the cooling assembly includes two air exhaust holes 15, the two air exhaust holes 15 are respectively opened at two sides of the protection casing 13, a circuit box 25 is disposed at an inner bottom surface of the air exhaust holes 15, a flow guide block 17 is fixedly mounted at both sides of the circuit box 25, a sleeve hole 18 is opened at a top surface of the protection casing 13, a cooling ring 19 is fixedly sleeved on an inner circular wall surface of the sleeve hole 18, a cooling fan is disposed inside the cooling ring 19, a water storage tank 20 is disposed at a top surface of the protection casing 13, a plurality of penetrating holes 23 are opened at the top surface of the cooling ring 19, a guide pipe 24 is fixedly sleeved on the inner circular wall surface of the penetrating holes 23, a plurality of connecting holes 21 are opened at a bottom end of the water storage tank 20, the guide pipe 24 corresponds to the connecting holes 21, one end of the penetrating holes 23 penetrates through the connecting holes 21 and extends to the inside of the water storage tank 20, a water tank 3 is opened at a top surface of the casing 1, a plurality of leakage holes 5 are opened at an inner bottom surface of the water tank 3, the fixed cover of interior circle wall of weeping hole 5 is equipped with louvre 16, and a plurality of intercommunicating pore 22 has been seted up to the top surface of water storage box 20, and intercommunicating pore 22 is passed and extend to water storage box 20's inside to louvre 16's one end, and liquid can be stored to the inside of cooling ring 19, and when cooling fan work blown wind, wind inside heat can be absorbed by liquid, reaches the refrigerated purpose of cooling down to circuit box 25.

The working principle is as follows: referring to fig. 1-4, when in use, firstly the photovoltaic panel 2 starts to be irradiated by sunlight and starts to work to generate electric energy, the position of the sun changes continuously along with the time passing, the PLC controller controls the number of rotation turns of the rotation shaft of the driving motor a7 and the driving motor B10 according to the time information sent by the electronic clock, and further controls the angle of the photovoltaic panel 2, so that the photovoltaic panel 2 is always in a direct sunlight state, during the moving process, the dew on the surface of the photovoltaic panel 2 flows down and falls into the water tank 3, and then enters into the water storage tank 20 through the leakage holes 5 and the heat dissipation holes 16 to supplement the liquid content in the water storage tank 20, the circuit box 25 generates heat during the working of the photovoltaic panel 2, and in order to prevent the excessive heat from affecting the normal operation, the cooling fan in the cooling ring 19 starts to work, the wind having absorbed the heat is blown to the surface of the circuit box 25 to cool the surface.

Through setting up water conservancy diversion piece 17, the flow direction of wind can be guided to water conservancy diversion piece 17, makes wind pass through the inside of the protective housing 13 of discharging in hole 15, gets into the inside of shell 1 and cools down in step, and when the inside liquid of cooling ring 19 was not enough, the inside liquid of water storage box 20 can be through the inside replenishment of pipe 24 case cooling ring 19.

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

Claims

1. A voltage control device that contains distributed photovoltaic distribution network, its characterized in that includes:

the solar photovoltaic cabinet is characterized in that a through hole (11) is formed in the top surface of the shell (1), a cabinet door (4) is arranged on one side of the shell (1), two hinges are arranged on one side of the shell (1), the cabinet door (4) is connected with the shell (1) through the hinges, a handle is arranged on one side of the cabinet door (4), a protective shell (13) is fixedly installed on the inner bottom surface of the shell (1), and a photovoltaic panel (2) is arranged on the top surface of the shell (1);

the cooling assembly is arranged inside the shell (1) and used for cooling the protective shell (13).

2. The voltage control apparatus for a distributed photovoltaic power distribution network according to claim 1, wherein said cooling assembly comprises:

two holes (15) of airing exhaust, two hole (15) of airing exhaust are seted up respectively the both sides of protective housing (13), the inside bottom surface of hole (15) of airing exhaust is provided with circuit box (25), the equal fixed mounting in both sides of circuit box (25) has water conservancy diversion piece (17), the top surface of protective housing (13) has been seted up and has been cup jointed hole (18), the fixed cover of interior circle wall of cup jointing hole (18) is equipped with cooling ring (19), the inside of cooling ring (19) is provided with the cooling fan, the top surface of protective housing (13) is provided with water storage box (20).

3. The voltage control apparatus comprising a distributed photovoltaic power distribution grid according to claim 2, wherein said cooling assembly further comprises:

a plurality of through holes (23), each of the plurality of through holes (23) opening in a top surface of the cooling ring (19), the inner circular wall surface of the penetrating hole (23) is fixedly sleeved with a guide pipe (24), the bottom end of the water storage tank (20) is provided with a plurality of connecting holes (21), the guide pipe (24) corresponds to the position of the connection hole (21), one end of the penetration hole (23) passes through the connection hole (21) and extends to the inside of the water storage tank (20), the top surface of the shell (1) is provided with a water tank (3), the inner bottom surface of the water tank (3) is provided with a plurality of leakage holes (5), the inner circle wall surface of the leakage hole (5) is fixedly sleeved with a heat dissipation hole (16), the top surface of the water storage tank (20) is provided with a plurality of communication holes (22), and one end of each heat dissipation hole (16) penetrates through each communication hole (22) and extends into the water storage tank (20);

the adjusting piece is arranged on the top surface of the shell (1) and used for adjusting the angle of the photovoltaic panel (2).

4. A voltage control apparatus for a distributed photovoltaic power distribution network as defined in claim 3, wherein said regulating member comprises:

line concentration pipe (6), line concentration pipe (6) fixed cover is established the interior circle wall in direct hole (11), the one end of line concentration pipe (6) is provided with driving motor A (7), the one end fixed mounting of driving motor A (7) rotation axis has axis of rotation (8), the bottom surface fixed mounting of photovoltaic board (2) has two solid fixed ring (9), the interior circle wall of solid fixed ring (9) with the fixed cover of excircle wall of axis of rotation (8) is established.

5. The voltage control device of claim 1, wherein the voltage control device comprises: two ventilation holes (14) have all been seted up to the both sides of shell (1), the equal fixed mounting in both sides of shell (1) has shelters from lid (12), ventilation hole (14) are located shelter from the bottom of lid (12).

6. The voltage control device of claim 4, wherein the voltage control device comprises: one side fixed mounting of solid fixed ring (9) has driving motor B (10), inside one side of shell (1) is provided with the PLC controller, inside one side of shell (1) is provided with the electronic clock, driving motor A (7) driving motor B (10), electronic clock and PLC controller electric connection.