CN215581053U

CN215581053U - Rain-proof collection flow box of photovoltaic power plant

Info

Publication number: CN215581053U
Application number: CN202121151124.1U
Authority: CN
Inventors: 程秀桂
Original assignee: Zhejiang Guangyao New Energy Co ltd
Current assignee: Zhejiang Guangyao New Energy Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2022-01-18
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses a rain-proof header box of a photovoltaic power station, which relates to the technical field of photovoltaic equipment and comprises a cylindrical collection box body, wherein one end of the collection box body is provided with an opening, one end, close to the opening, of the collection box body is connected with a sealing cover through a connecting piece, a plurality of electrical equipment are installed in the collection box body, the top of the collection box body is hermetically connected with a heat dissipation block, and the top of the collection box body is provided with an installation port corresponding to the heat dissipation block. According to the utility model, the heat dissipation block, the fixed cylinder and the heat dissipation fan are arranged at the top of the collection box body, the plurality of air inlet holes are formed in the bottom of the fixed cylinder, the heat dissipation fan is used for pumping out air in the fixed cylinder, and the air carries heat on the surface of the heat dissipation block in the pumping-out process, so that the effect of dissipating the heat of the air in the collection box body is realized.

Description

Rain-proof collection flow box of photovoltaic power plant

Technical Field

The utility model relates to the technical field of photovoltaic equipment, in particular to a rainproof combiner box of a photovoltaic power station.

Background

The junction box is characterized in that a user can connect photovoltaic cells with a certain number and the same specification in series to form photovoltaic strings, then the photovoltaic strings are connected into the photovoltaic junction box in parallel, and after the photovoltaic junction box is internally connected with a junction box, the photovoltaic junction box is matched with a controller, a direct-current power distribution cabinet, a photovoltaic inverter and an alternating-current power distribution cabinet to form a complete photovoltaic power generation system, so that grid connection with a mains supply is realized.

Through search, the chinese patent No. CN207968421U discloses a rain-proof combiner box for a photovoltaic power station, which comprises a combiner box, wherein rain-collecting hoppers are respectively installed at one side and the other side of the combiner box, the rain-collecting hoppers are tightly welded with the combiner box, a water manifold is installed at the bottom of the rain-collecting hoppers, the top of the water manifold is communicated with the bottom of the rain-collecting hoppers, a fixing pipe clamp is installed at the side of the water manifold, the fixing pipe clamp is embedded in the center of the water manifold, a sealing cover is installed at the side of the combiner box, the sealing cover is embedded in the combiner box, a collector pipe is installed at the bottom of the combiner box, the collector pipe is embedded in the combiner box, a splitter pipe and a sealing cover are installed at the top of the combiner box, and the sealing cover is embedded in the end of the splitter pipe, compared with the prior art, the combiner box is designed in a cylindrical shape, has good aesthetic property, rain-collecting function and multiple use functions, the junction box has the advantages of good sealing performance, excellent waterproof performance and the like, and the water-proof cabin is used for water-proof treatment.

However, the rainproof combiner box has the following disadvantages:

1. the shunt tubes on the rainproof combiner box are directly arranged at the top of the combiner box, and the shunt cables are led out of the combiner box through the shunt tubes, so that rainwater can enter the interior of the combiner box through gaps between the shunt tubes and the shunt cables in rainy days, and finally the combiner box does not have a waterproof function, and electrical equipment in the combiner box is easily damaged;

2. adopt the radiating block to dispel the heat on this rain-proof collection flow box, do not install mechanical heat abstractor on the radiating block, consequently, can reduce this rain-proof collection flow box's radiating efficiency, lead to the temperature ratio in the rain-proof collection flow box than higher, the higher electrical equipment that causes of temperature in the easy emergence collection flow box damages.

Therefore, the rainproof combiner box of the photovoltaic power station is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a rain-proof header box for a photovoltaic power station, which solves the technical problem in the background technology.

In order to solve the technical problem, the utility model provides a rain-proof header box for a photovoltaic power station, which comprises a cylindrical header box body, one end of the collection box body is arranged in an opening shape, one end of the collection box body close to the opening is connected with a sealing cover through a connecting piece, a plurality of electrical devices are arranged in the collection box body, the top of the collection box body is hermetically connected with a heat dissipation block, the top of the collection box body is provided with an installation opening corresponding to the heat dissipation block, the top of the collection box body is fixedly connected with a fixed cylinder, the inner side wall of the top of the fixed cylinder is fixedly connected with a cooling fan, the bottom of the fixed cylinder is fixedly connected with a plurality of air inlet holes, the plurality of air inlet holes are arranged in a surrounding manner by taking the circle center of the fixed cylinder as the circle center, the bottom fixedly connected with pressure manifold of collection case body, the bottom lateral wall fixedly connected with shunt tubes that a plurality of slopes set up of collection case body.

Preferably, the electrical equipment includes an inverter, a fuse, a circuit breaker, and a surge protector.

Preferably, the sealing cover is connected with the collection box body through a sealing rubber ring, and an annular mounting groove corresponding to the sealing rubber ring is formed in the opening end of the collection box body.

Preferably, the inner side wall of the collection box body is fixedly connected with a water retaining ring.

Preferably, the bottom of the collection box body is fixedly connected with a water outlet pipe, a water outlet hole corresponding to the water outlet pipe is formed in the collection box body, the water outlet hole is located between the water retaining ring and the sealing rubber ring, and a one-way valve is mounted on the water outlet pipe.

Preferably, the outer side wall of the collection box body is fixedly connected with a rain baffle, and the rain baffle is used for keeping off rain for the shunt tubes.

Compared with the prior art, the rainproof combiner box for the photovoltaic power station has the following beneficial effects:

1. the utility model provides a rain-proof header box of a photovoltaic power station, which is characterized in that a heat dissipation block, a fixed cylinder and a heat dissipation fan are arranged at the top of a header box body, a plurality of air inlet holes are formed in the bottom of the fixed cylinder, air in the fixed cylinder is pumped out by the heat dissipation fan, and heat on the surface of the heat dissipation block is carried in the air pumping process, so that the effect of dissipating heat of the air in the header box body is realized.

2. The utility model provides a rain-proof header box for a photovoltaic power station, which can prevent rainwater from entering the interior of a header box body through a flow dividing pipe by obliquely installing the flow dividing pipe on the outer side wall of the bottom of the header box body, and solves the problem that the rainwater can enter the interior of the header box through the flow dividing pipe when the existing flow dividing pipe is installed at the top of the header box.

3. The utility model provides a rain-proof header box for a photovoltaic power station, which can shield a shunt pipe by using a rain baffle plate and can prevent rainwater from being sprayed on the shunt pipe to a certain extent.

4. The utility model provides a rain-proof header box of a photovoltaic power station, which is characterized in that a water outlet pipe is arranged at the bottom of a header box body, a water retaining ring is arranged inside the header box body, and rainwater between a sealing cover and the header box body can be discharged through the water outlet pipe if entering the header box body, so that the rainwater is prevented from being collected in the header box body.

Drawings

FIG. 1 is a schematic structural diagram of a photovoltaic power station rainproof combiner box;

FIG. 2 is a schematic top view of a photovoltaic power station rain-proof combiner box;

FIG. 3 is a left side view schematic structural diagram of a photovoltaic power station rain-proof combiner box;

FIG. 4 is a schematic diagram of a right-view structure of a photovoltaic power station rainproof combiner box;

fig. 5 is an internal structure schematic diagram of a photovoltaic power station rain-proof combiner box.

Reference numbers in the figures: 1. a collection box body; 2. a connecting member; 3. a sealing cover; 4. a heat dissipating block; 5. a fixed cylinder; 6. a heat radiation fan; 7. an air inlet hole; 8. a rain shield; 9. a shunt tube; 10. a header pipe; 11. a water outlet pipe; 12. a one-way valve; 13. sealing the rubber ring; 14. a water retaining ring; 15. an electrical device.

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.

Example one

The rainproof combiner box for the photovoltaic power station is provided by the figures 1-5 and comprises a collection box body 1 which is arranged in a cylindrical mode, one end of the collection box body 1 is arranged in an opening mode, one end, close to the opening, of the collection box body 1 is connected with a sealing cover 3 through a connecting piece 2, a plurality of electrical devices 15 are installed in the collection box body 1, the top of the collection box body 1 is connected with a heat dissipation block 4 in a sealing mode, the top of the collection box body 1 is provided with an installation opening corresponding to the heat dissipation block 4, the top of the collection box body 1 is fixedly connected with a fixing barrel 5, the inner side wall of the top of the fixing barrel 5 is fixedly connected with a heat dissipation fan 6, a plurality of air inlet holes 7 are fixedly connected to the bottom of the fixing barrel 5, the air inlet holes 7 are arranged in a surrounding mode by taking the circle center of the fixing barrel 5 as the circle center, a collecting pipe 10 is fixedly connected to the bottom of the collection box body 1, and a plurality of flow dividing pipes 9 which are arranged in an inclined mode are fixedly connected to the side wall of the bottom of the collection box body 1.

Through the top installation radiating block 4 at collection box body 1, a fixed section of thick bamboo 5 and radiator fan 6, and set up a plurality of fresh air inlets 7 in the bottom of a fixed section of thick bamboo 5, utilize radiator fan 6 to take out the air in a fixed section of thick bamboo 5, the in-process that the air was taken out carries the heat on radiating block 4 surface, thereby the realization is to carrying out radiating effect to the air of collecting box body 1 in, furthermore, radiating block 4 still installs the top at collection box body 1, the heat that will collect the incasement portion that can be more quick is derived, the improvement is to the radiating efficiency of the inside air of collection box body 1.

The sealing cover 3 is connected with the collection box body 1 through a sealing rubber ring 13, and an annular mounting groove corresponding to the sealing rubber ring 13 is formed in the opening end of the collection box body 1.

The sealing rubber ring 13 has a sealing function, and can prevent rainwater from entering the collection box body 1 through air between the sealing cover 3 and the collection box body 1.

Example two

On the basis of the first embodiment, the inner side wall of the collection box body 1 is fixedly connected with a water retaining ring 14.

If the sealing rubber ring 13 is aged to cause a part of rainwater to enter the interior of the header body 1, the water-retaining ring 14 can also retain the rainwater between the water-retaining ring 14 and the sealing cover 3.

The bottom of collection box body 1 is fixedly connected with outlet pipe 11, is provided with the apopore that corresponds with outlet pipe 11 on the collection box body 1, and the apopore is located between manger plate ring 14 and the sealing rubber circle 13, installs check valve 12 on the outlet pipe 11.

The rainwater between the water retaining ring 14 and the sealing cover 3 is discharged by the water outlet pipe 11, so that the rainwater is prevented from being gathered in the collection box body 1 to cause the damage of the electrical equipment 15 in the collection box body 1, in addition, the one-way valve 12 arranged on the water outlet pipe 11 can also play a role in blocking, and the insects are prevented from entering the interior of the collection box body 1 through the water outlet pipe 11.

EXAMPLE III

On the basis of the first embodiment and the second embodiment, the outer side wall of the collection box body 1 is fixedly connected with a rain baffle 8, and the rain baffle 8 is used for shielding the shunt pipe 9 from rain.

The shunt pipe 9 is shielded by the rain baffle 8, so that rainwater can be prevented from being sprayed on the shunt pipe 9 to a certain degree.

The working principle is as follows:

when the collection box body 1 is used, heat generated by the operation of the electrical equipment 15 in the collection box body 1 is transferred to the heat dissipation block 4, when the heat dissipation fan 6 arranged on the fixed cylinder 5 pumps air in the fixed cylinder 5 out, the heat on the heat dissipation block 4 is discharged along with the air, the external air enters the fixed cylinder 5, the air in the fixed cylinder 5 is kept in a rapid circulation state, the problem of damage of the electrical equipment 15 caused by high temperature in the collection box is avoided, when it is rainy day, the rain baffle 8 arranged on the collection box body 1 shields rainwater, the rainwater is prevented from being sprayed to the diversion pipe 9, if rainwater enters the collection box body 1 through the air between the sealing cover 3 and the collection box body 1, the water baffle ring 14 can baffle the rainwater between the water baffle ring 14 and the sealing cover 3, and the rainwater between the water baffle ring 14 and the sealing cover 3 is discharged by the water outlet pipe 11, avoid the rainwater gathering in gathering case body 1, lead to gathering the interior electrical equipment 15 of case body 1 and damage, in addition, install check valve 12 on outlet pipe 11 and can also play the effect that blocks, avoid the worm to enter into the inside of gathering case body 1 through outlet pipe 11.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rain-proof collection box of photovoltaic power plant, is including being collection box body (1) that the cylinder type set up, the one end of collecting box body (1) is the opening setting, it is connected with sealed lid (3), its characterized in that through connecting piece (2) to collect box body (1) and be close to open-ended one end: install a plurality of electrical equipment (15) in collection box body (1), the top sealing connection of collection box body (1) has radiating block (4), the top of collection box body (1) is provided with the installing port that corresponds with radiating block (4), the top fixedly connected with solid fixed cylinder (5) of collection box body (1), the top inside wall fixedly connected with radiator fan (6) of solid fixed cylinder (5), a plurality of air inlet (7) of bottom fixedly connected with of solid fixed cylinder (5), it is a plurality of air inlet (7) encircle the setting as the centre of a circle with the centre of a circle of solid fixed cylinder (5), the bottom fixedly connected with pressure manifold (10) of collection box body (1), the shunt tubes (9) that a plurality of slopes of settings of bottom lateral wall fixedly connected with of collection box body (1).

2. The photovoltaic power station rainproof combiner box is characterized in that the sealing cover (3) is connected with the collection box body (1) through a sealing rubber ring (13), and an annular mounting groove corresponding to the sealing rubber ring (13) is formed in the opening end of the collection box body (1).

3. The photovoltaic power station rain-proof combiner box of claim 1, characterized in that the inner side wall of the combiner box body (1) is fixedly connected with a water retaining ring (14).

4. The photovoltaic power station rainproof combiner box of any one of claims 2 and 3, wherein a water outlet pipe (11) is fixedly connected to the bottom of the collection box body (1), a water outlet hole corresponding to the water outlet pipe (11) is formed in the collection box body (1), the water outlet hole is located between the water retaining ring (14) and the sealing rubber ring (13), and a one-way valve (12) is installed on the water outlet pipe (11).

5. The photovoltaic power station rain-proof header box according to claim 1, characterized in that a rain shield (8) is fixedly connected to the outer side wall of the header box body (1), and the rain shield (8) is used for shielding the shunt pipe (9) from rain.