CN211046788U

CN211046788U - Special photovoltaic off-grid inverter

Info

Publication number: CN211046788U
Application number: CN202020168445.1U
Authority: CN
Inventors: 于连广; 王昌烨; 史振滨
Original assignee: Jinan Langrui Electric Co ltd
Current assignee: Jinan Langrui Electric Co ltd
Priority date: 2020-02-14
Filing date: 2020-02-14
Publication date: 2020-07-17
Anticipated expiration: 2030-02-14

Abstract

The utility model relates to an inverter technical field, and disclose a special off-grid inverter of photovoltaic, the jack is the circular port, the jack is located the excircle wall of radiator, the jack has run through the excircle wall and the interior round wall of radiator, the jack has communicated the inside of radiator, be provided with the apron on the radiator, the apron is the rectangle structure, the apron is located the top of radiator, be provided with the extension post on the apron, the extension post is cylindrical structure, the extension post is located the lower wall face of apron, the last wall of extension post is in the same place with the lower wall fixed mounting of apron, the extension post has four, four extension posts correspond from top to bottom with four jacks respectively, it is in the same place with the jack joint to extend the post. Through extending the post with the jack joint together, the apron is installed directly over the radiator, and the starter motor, the inside heat upflow of power supply box is enclosed in the air current, and the hot gas flow gets into the inside of fixed pipe and radiator through the absorber, and the hot gas flow blows off to the outside of radiator through the radiating hole.

Description

Special photovoltaic off-grid inverter

Technical Field

The utility model relates to an inverter technical field specifically is a special off-grid inverter of photovoltaic.

Background

The inverter is a converter which converts direct current electric energy (batteries and storage batteries) into constant-frequency constant-voltage or frequency-modulation voltage-regulation alternating current (generally 220V,50Hz sine wave). It is composed of inverter bridge, control logic and filter circuit. Therefore, when the inverter is used, a large amount of heat can be generated by an internal converter, a fan can be installed inside the existing inverter to dissipate heat of the inverter, but heat dissipation windows for heat dissipation are arranged on two sides of the inverter, hot air flow generally expands upwards and rises, and therefore heat dissipation holes on two sides cause unsatisfactory heat dissipation effects, and therefore the special off-grid inverter for photovoltaic is needed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a special off-grid inverter of photovoltaic possesses the advantage such as the heat dissipation is fast, has solved the unsatisfactory problem of traditional dc-to-ac converter radiating effect.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a special off-grid inverter for photovoltaic comprises a power box, wherein the power box is of a rectangular hollow structure, the power box is fixedly arranged on external fixing equipment, a motor is arranged in the power box, the motor is positioned on the inner bottom wall surface of the power box, the lower wall surface of the motor is fixedly arranged with the inner bottom wall surface of the power box, the motor is of a cylindrical structure, two fan blades are arranged on the motor, the two fan blades are positioned on the outer circle wall surface of a shaft of the motor, one side wall surface, close to each other, of the two fan blades is fixedly arranged with the outer circle wall surface of the shaft of the motor, a top hole is formed in the power box, a fixing pipe is arranged in the top hole, an absorber is arranged on the fixing pipe, a radiator is arranged on the fixing pipe, radiating holes are formed in the radiator, the radiating holes are circular holes and are positioned at the lower end of, the jack has been seted up on the radiator, and the jack is the circular port, and the jack is located the excircle wall of radiator, and the jack has run through the excircle wall and the interior circle wall of radiator, and the jack has communicate the inside of radiator, is provided with the apron on the radiator, and the apron is the rectangle structure, and the apron is located the top of radiator, is provided with the extension post on the apron.

Preferably, the top hole is a circular hole, the top hole is located on the upper wall surface of the power supply box, the top hole penetrates through the inner side wall surface and the outer side wall surface of the upper wall surface of the power supply box, an inner circle wall surface of the top hole is provided with an inner thread, and the number of the top holes is four.

Preferably, the fixed pipe is of a hollow cylindrical structure, openings are formed in the upper side wall surface and the lower side wall surface of the fixed pipe, external threads are formed in the outer circle wall surface of the fixed pipe, the fixed pipe is connected with the top hole through threads, and the fixed pipe extends to the upper side of the upper wall surface of the power box.

Preferably, the absorber is a hollow round platform type structure, the absorber is located inside the power box, the absorber is located on the lower wall face of the fixed pipe, openings are formed in the upper side wall face and the lower side wall face of the absorber, the upper wall face of the absorber is fixedly installed with the lower wall face of the fixed pipe, and the inside of the absorber is communicated with the inside of the fixed pipe.

Preferably, the radiator is of a hollow spherical structure, an opening is formed in the outer wall surface of the radiator, the radiator is located on the upper wall surface of the fixed pipe, and the lower wall surface of the radiator and the upper wall surface of the fixed pipe are fixedly mounted together.

Preferably, the extension post is cylindrical structure, extends the lower wall face that the post is located the apron, extends the last wall face of post and the lower wall face fixed mounting of apron together, and it has four to extend the post, and four extend the post and correspond from top to bottom with four jacks respectively, extend the post and be in the same place with the jack joint.

(III) advantageous effects

Compared with the prior art, the utility model provides a special off-grid inverter of photovoltaic possesses following beneficial effect:

1. this special photovoltaic is from net dc-to-ac converter, through extending the post with the jack joint together, the apron is installed directly over the radiator, starter motor, the inside heat of power supply box upwards flows is wrapped up in to the air current, the inside of hot gas flow entering fixed pipe and radiator through the absorber, the hot gas flow blows off to the outside of radiator through the radiating hole. Compared with the traditional heat dissipation mode, the equipment has good heat dissipation effect and conforms to the hot air flow rising principle, so that the hot air flow can be dissipated more quickly.

2. This special photovoltaic is from net dc-to-ac converter, through extending the post with the jack joint together, the apron is installed directly over the radiator, starter motor, the inside heat of power supply box upwards flows is wrapped up in to the air current, the inside of hot gas flow entering fixed pipe and radiator through the absorber, the hot gas flow blows off to the outside of radiator through the radiating hole. The absorber enables the hot air flow of the device to be better collected, and the hot air flow is prevented from flowing back inside the power box.

3. This special photovoltaic is from net dc-to-ac converter, through extending the post with the jack joint together, the apron is installed directly over the radiator, starter motor, the inside heat of power supply box upwards flows is wrapped up in to the air current, the inside of hot gas flow entering fixed pipe and radiator through the absorber, the hot gas flow blows off to the outside of radiator through the radiating hole. The apron makes inside this equipment can avoid outside dust to get into the power supply box, has preserved the inside security and the clean and tidy of power supply box.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the present invention;

FIG. 3 is a front sectional view of the structure of the present invention;

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

In the figure: the fan comprises a power box 1, a motor 2, fan blades 3, top holes 4, a fixing pipe 5, a radiator 6, an absorber 7, jacks 8, extension columns 9, a cover plate 10 and radiating holes 11.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model relates to a special photovoltaic off-grid inverter, which comprises a power box 1, wherein the power box 1 is a rectangular hollow structure, the power box 1 is fixedly installed on an external fixed device, a motor 2 is arranged in the power box 1, the motor 2 is of a conventional structure, details are not described herein, the motor 2 is located on an inner bottom wall surface of the power box 1, a lower wall surface of the motor 2 is fixedly installed with an inner bottom wall surface of the power box 1, the motor 2 is of a cylindrical structure, the motor 2 is provided with fan blades 3, the fan blades 3 are of a conventional structure, details are not described herein, two fan blades 3 are provided, two fan blades 3 are both located on an outer circumferential wall surface of a shaft of the motor 2, a side wall surface where the two fan blades 3 are close to each other is fixedly installed with an outer circumferential wall surface of the shaft of the motor 2, the shaft rotation of the motor 2 can drive the fan blades 3 to rotate, the top hole 4 is a circular hole, the top hole 4 is positioned on the upper wall surface of the power box 1, the top hole 4 penetrates through the inner side wall surface and the outer side wall surface of the upper wall surface of the power box 1, the inner circle wall surface of the top hole 4 is provided with internal threads, four top holes 4 are provided, the top hole 4 is internally provided with a fixed tube 5, the fixed tube 5 is of a hollow cylindrical structure, the upper side wall surface and the lower side wall surface of the fixed tube 5 are both provided with openings, the outer circle wall surface of the fixed tube 5 is provided with external threads, the fixed tube 5 is in threaded connection with the top hole 4, the fixed tube 5 extends to the upper side wall surface of the power box 1, the fixed tube 5 is provided with an absorber 7, the absorber 7 is of a hollow circular platform type structure, the absorber 7 is positioned inside the power box 1, the absorber 7 is positioned on the lower wall surface of the fixed tube 5, the upper side wall surface and the, the inside of the absorber 7 is communicated with the inside of the fixed pipe 5, the fixed pipe 5 is provided with a radiator 6, the radiator 6 is of a hollow spherical structure, the excircle wall surface of the radiator 6 is provided with an opening, the radiator 6 is positioned on the upper wall surface of the fixed pipe 5, the lower wall surface of the radiator 6 is fixedly installed with the upper wall surface of the fixed pipe 5, the radiator 6 is provided with a radiating hole 11, the radiating hole 11 is a circular hole, the radiating hole 11 is positioned at the lower end of the excircle wall surface of the radiator 6, the radiating hole 11 penetrates through the excircle wall surface and the inner circle wall surface of the radiator 6, the radiator 6 is provided with a jack 8, the jack 8 is a circular hole, the jack 8 is positioned on the excircle wall surface of the radiator 6, the jack 8 penetrates through the excircle wall surface and the inner circle wall surface of the radiator 6, the jack 8 is communicated with the inside of the radiator 6, be provided with on the apron 10 and extend post 9, extend post 9 and be cylindrical structure, extend the lower wall that post 9 is located apron 10, extend the last wall of post 9 and apron 10 lower wall fixed mounting together, extend post 9 has four, four extend post 9 respectively with four jacks 8 correspond from top to bottom, extend post 9 and jack 8 joint together.

When the power supply box is used, the extension column 9 and the jack 8 are connected in a clamped mode, the cover plate 10 is installed right above the radiator 6, the motor 2 is started, heat inside the power supply box 1 flows upwards in an airflow wrapped mode, hot airflow enters the fixing pipe 5 and the radiator 6 through the absorber 7, and the hot airflow blows away the outside of the radiator 6 through the radiating holes 11.

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. The utility model provides a special off-grid inverter of photovoltaic, includes power supply box (1), its characterized in that: the fan blade type power supply is characterized in that a motor (2) is arranged in the power supply box (1), fan blades (3) are arranged on the motor (2), a top hole (4) is formed in the power supply box (1), a fixing pipe (5) is arranged in the top hole (4), an absorber (7) is arranged on the fixing pipe (5), a radiator (6) is arranged on the fixing pipe (5), radiating holes (11) are formed in the radiator (6), jacks (8) are formed in the radiator (6), a cover plate (10) is arranged on the radiator (6), and an extension column (9) is arranged on the cover plate (10).

2. The off-grid inverter special for photovoltaic as claimed in claim 1, wherein: extend post (9) and be located the lower wall face of apron (10), extend the last wall face of post (9) and the lower wall face fixed mounting of apron (10) together, extend post (9) have four, and four extend post (9) correspond from top to bottom with four jack (8) respectively, extend post (9) and jack (8) joint together.

3. The off-grid inverter special for photovoltaic as claimed in claim 1, wherein: the radiator (6) is of a hollow spherical structure, an opening is formed in the outer circle wall surface of the radiator (6), the radiator (6) is located on the upper wall surface of the fixed pipe (5), and the lower wall surface of the radiator (6) is fixedly installed with the upper wall surface of the fixed pipe (5).

4. The off-grid inverter special for photovoltaic as claimed in claim 1, wherein: absorber (7) are cavity round platform type structure, and absorber (7) are located the inside of power supply box (1), and absorber (7) are located the lower wall face of fixed pipe (5), and the opening has all been seted up to the upper and lower both sides wall face of absorber (7), and the last wall face of absorber (7) is in the same place with the lower wall face fixed mounting of fixed pipe (5), and the inside of absorber (7) is in the same place with the inside intercommunication of fixed pipe (5).

5. The off-grid inverter special for photovoltaic as claimed in claim 1, wherein: the opening has all been seted up to the upper and lower both sides wall face of fixed pipe (5), and the external screw thread has been seted up to the excircle wall face of fixed pipe (5), and fixed pipe (5) are in the same place with apical pore (4) threaded connection, and fixed pipe (5) extend to the last wall top of power supply box (1) always.

6. The off-grid inverter special for photovoltaic as claimed in claim 1, wherein: the top hole (4) is located on the upper wall surface of the power supply box (1), the top hole (4) penetrates through the inner side wall surface and the outer side wall surface of the upper wall surface of the power supply box (1), internal threads are formed in the inner circle wall surface of the top hole (4), and the number of the top holes (4) is four.