CN210518129U

CN210518129U - Heat radiator for off-grid photovoltaic inverter

Info

Publication number: CN210518129U
Application number: CN201921714533.0U
Authority: CN
Inventors: 陶小勇; 黄家国; 陶小锐; 严高云
Original assignee: Xiangyang Chuyun New Energy Co Ltd
Current assignee: Xiangyang Chuyun New Energy Co Ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-05-12
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses a heat abstractor from net photovoltaic inverter, including the dc-to-ac converter body, upper end one side of dc-to-ac converter body is equipped with the apron, inside one side of dc-to-ac converter body is equipped with host computer dc-to-ac converter, the inside opposite side of dc-to-ac converter body is equipped with from the machine dc-to-ac converter, host computer dc-to-ac converter and from the one end of machine dc-to-ac converter and the inside that is located the dc-to-ac converter body all are equipped with the direct current cabinet, host computer dc-to-ac converter and from the upper end of machine dc-to-ac converter are equipped with two sets of support frames one, the lower extreme of support frame one just is located the host computer. The utility model discloses in, through installing heat abstractor in the inside one end of dc-to-ac converter body, can not too much occupy the installation space in the dc-to-ac converter body, and dismantle the convenience, it is convenient to change labour saving and time saving.

Description

Heat radiator for off-grid photovoltaic inverter

Technical Field

The utility model relates to an inverter technical field specifically is a heat abstractor from net photovoltaic inverter.

Background

At present, inverters are devices that convert direct current electrical energy (batteries, accumulators) into alternating current. The off-grid photovoltaic inverter is mainly applied to a renewable energy grid-connected power generation system, an off-grid village power supply system and a household power supply system, and can provide power for regional communication, traffic, street lamp illumination and the like with difficult extension of a power grid.

Disclosure of Invention

An object of the utility model is to provide a heat abstractor from net photovoltaic inverter to solve the not good problem that causes the interior component life-span to reduce, the degree of safety is not high of the radiating effect who proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a heat abstractor of off-grid photovoltaic inverter, includes the dc-to-ac converter body, upper end one side of dc-to-ac converter body is equipped with the apron, inside one side of dc-to-ac converter body is equipped with host computer dc-to-ac converter, the inside opposite side of dc-to-ac converter body is equipped with from the machine inverter, the host computer dc-to-ac converter reaches just be located from the one end of machine inverter the inside of dc-to-ac converter body all is equipped with the direct current cabinet, the host computer dc-to-ac converter reaches the upper end of following the machine inverter is equipped with two sets of support frames one, the lower extreme of support frame one just is located be equipped.

Preferably, the inverter body is connected with one side of the cover plate through a plurality of hinges, and a handle is arranged on the other side of the cover plate.

Preferably, one side of the dc cabinet is connected to the inside of the inverter body through a second support frame, and the second support frame is connected to the inverter body through a bolt.

Preferably, the heat dissipation device comprises a motor, a movable shaft is arranged at one end of the motor, a plurality of fans are arranged on the outer side of the movable shaft, a protective net is arranged on the outer side of the motor, and the motor and the protective net are both located on the inner wall of the inverter body.

Preferably, a refrigerator is arranged inside the inverter body, a radiating pipe is arranged at one end of the refrigerator, and a third supporting frame is arranged at the lower end of the radiating pipe.

Preferably, the radiating pipe is of a spiral structure, and a plurality of air outlet holes are uniformly formed in the radiating pipe.

Preferably, one end of the inverter body is provided with a heat dissipation port, and the heat dissipation port and the motor are located on the same horizontal plane.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the heat dissipation device is arranged at one end of the inside of the inverter body, so that the installation space in the inverter body is not occupied too much, and the heat dissipation device is convenient to disassemble and replace, and saves time and labor;

2. the utility model discloses in, through injecting air conditioning in the cooling tube, the rethread fan is sent air conditioning into the dc-to-ac converter main part in, cools down to the temperature in the dc-to-ac converter main part, and the cooling effect is obvious.

Description of the 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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a side view of the heat sink of FIG. 1;

fig. 3 is a schematic structural diagram of the heat dissipation tube of the present invention.

In the figure: 1. an inverter body; 2. a cover plate; 3. a host inverter; 4. a slave inverter; 5. a DC cabinet; 6. a first support frame; 7. a heat exchanger; 8. a heat sink; 9. a hinge; 10. a second support frame; 11. a motor; 12. a movable shaft; 13. a fan; 14. a refrigerator; 15. a radiating pipe; 16. a third support frame; 17. an air outlet; 18. a heat dissipation port; 19. and (4) a protective net.

The specific implementation mode is as follows:

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, the present invention provides an embodiment: a heat dissipation device of an off-grid photovoltaic inverter comprises an inverter body 1, a cover plate 2 is arranged on one side of the upper end of the inverter body 1, a host inverter 3 is arranged on one side of the inside of the inverter body 1, a slave inverter 4 is arranged on the other side of the inside of the inverter body 1, a direct current cabinet 5 is arranged at one end of the host inverter 3 and one end of the slave inverter 4 and inside the inverter body 1, two groups of first support frames 6 are arranged at the upper ends of the host inverter 3 and the slave inverter 4, a heat exchanger 7 is arranged at the lower end of the first support frame 6 and between the host inverter 3 and the slave inverter 4, and a heat dissipation device 8 is arranged at one side of the direct current cabinet 5 and one.

Specifically, the inverter body 1 is connected to one side of the cover plate 2 through a plurality of hinges 9, and the other side of the cover plate 2 is provided with a handle, which facilitates the opening and closing of the cover plate 2.

Specifically, one side of the direct current cabinet 5 is connected with the inside of the inverter body 1 through the second support frame 10, and the second support frame 10 is connected with the inverter body 1 through bolts, so that the second support frame 10 is installed more firmly.

The structure and function of the heat sink 8 will be described in detail below.

As shown in fig. 2-3, the heat dissipation device 8 includes a motor 11, a movable shaft 12 is disposed at one end of the motor 11, a plurality of fans 13 are disposed outside the movable shaft 12, a protective net 19 is disposed outside the motor 11, the motor 11 and the protective net 19 are both disposed on an inner wall of the inverter body 1, a refrigerator 14 is disposed inside the inverter body 1, a heat dissipation pipe 15 is disposed at one end of the refrigerator 14, and a third support frame 16 is disposed at a lower end of the heat dissipation pipe 15.

Specifically, the radiating pipe 15 is a spiral structure, and the radiating pipe 15 is evenly provided with a plurality of air outlet holes 17, so that the radiating area of the air conditioner is enlarged, the radiating effect is improved, one end of the inverter body 1 is provided with a radiating port 18, and the radiating port 18 and the motor 11 are located on the same horizontal plane.

The working principle is as follows: when the inside of inverter body 1 need dispel the heat, make motor 11 work through external control switch, and then motor 11 drives loose axle 12 and rotates, make loose axle 12 drive fan 13 and rotate, and then fan 13 produces wind-force, rethread refrigerator 14 produces air conditioning, air conditioning gets into in cooling tube 15 again, rethread venthole 17 gives off the outside to cooling tube 15, at this moment, wind-force drives air conditioning motion, make air conditioning at the inside motion of inverter body 1, and then to host computer inverter 3, cool down from the outside of machine inverter 4 and direct current cabinet 5, distribute away the heat from thermovent 18 again, accomplish cooling treatment.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A heat dissipation device of an off-grid photovoltaic inverter comprises an inverter body (1), a cover plate (2) is arranged on one side of the upper end of the inverter body (1), a master inverter (3) is arranged on one side in the inverter body (1), a slave inverter (4) is arranged on the other side in the inverter body (1), one end of the master inverter (3) and one end of the slave inverter (4) are both provided with a direct current cabinet (5) inside the inverter body (1), two groups of first supporting frames (6) are arranged at the upper ends of the master inverter (3) and the slave inverter (4), a heat exchanger (7) is arranged at the lower end of the first support frame (6) and between the master inverter (3) and the slave inverter (4), and a heat dissipation device (8) is arranged at one side of the direct current cabinet (5) and at one end of the interior of the inverter body (1).

2. The heat sink for an off-grid photovoltaic inverter as recited in claim 1, wherein the inverter body (1) is connected to one side of the cover plate (2) by a plurality of hinges (9), and the other side of the cover plate (2) is provided with a handle.

3. The heat dissipation device of an off-grid photovoltaic inverter as recited in claim 1, wherein one side of the dc cabinet (5) is connected with the inside of the inverter body (1) through a second support frame (10), and the second support frame (10) is connected with the inverter body (1) through a bolt.

4. The heat dissipation device of an off-grid photovoltaic inverter according to claim 1, wherein the heat dissipation device (8) comprises a motor (11), one end of the motor (11) is provided with a movable shaft (12), the outer side of the movable shaft (12) is provided with a plurality of fans (13), the outer side of the motor (11) is provided with a protective net (19), and the motor (11) and the protective net (19) are both located on the inner wall of the inverter body (1).

5. The heat dissipation device for the off-grid photovoltaic inverter as recited in claim 4, wherein a refrigerator (14) is disposed inside the inverter body (1), a heat dissipation pipe (15) is disposed at one end of the refrigerator (14), and a third support frame (16) is disposed at the lower end of the heat dissipation pipe (15).

6. The heat dissipation device for the off-grid photovoltaic inverter as recited in claim 5, wherein the heat dissipation pipe (15) is a spiral structure, and a plurality of air outlet holes (17) are uniformly formed on the heat dissipation pipe (15).

7. The heat sink for an off-grid photovoltaic inverter as recited in claim 6, wherein the inverter body (1) is provided with a heat sink (18) at one end, and the heat sink (18) is located at the same level as the motor (11).