CN213717854U

CN213717854U - Photovoltaic power plant dc-to-ac converter is maintained and operation device

Info

Publication number: CN213717854U
Application number: CN202022348352.XU
Authority: CN
Inventors: 王文晶
Original assignee: Sichuan Zhongya Power Sales Co ltd
Current assignee: Sichuan Zhongya Power Sales Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-07-16
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses a photovoltaic power plant dc-to-ac converter is maintained and operation device, including ground and quick-witted case, ground top fixed mounting has quick-witted case, the machine incasement is equipped with ceramic seat, ceramic seat top fixed mounting rubber pad, rubber pad top fixed mounting has the supporting legs, supporting legs top fixed mounting has the dc-to-ac converter, dc-to-ac converter one side fixed mounting has the cable box, dc-to-ac converter one end fixed mounting has the warm and humid acidimeter, fixed mounting has the semiconductor radiator directly over the warm and humid acidimeter, dc-to-ac converter upper end fixed mounting has heat radiation fins, machine incasement wall fixed mounting has the control box, another inner. The utility model discloses, this photovoltaic power plant dc-to-ac converter is maintained and is operated, improves traditional dust screen and be the wind channel, sieves the air dust in grades, and intelligent control by temperature change, automatic dehumidification, the heat dissipation of grading effectively improves dust processing cycle, and the circuit harm brought with wet dirt.

Description

Photovoltaic power plant dc-to-ac converter is maintained and operation device

Technical Field

The utility model relates to a new forms of energy technical field specifically is a photovoltaic power plant dc-to-ac converter is maintained and is operated the device.

Background

Dust and sand in a centralized inverter room, high temperature in rainy seasons and the like are a great test for the centralized inverter by nature, so that the hidden danger of equipment is increased, and meanwhile, a great deal of cost and difficulty are brought to the operation and maintenance of a power station, so that the manpower, material resources, intangible power generation loss and the like paid by the power station are considerable, and even the value of the equipment can be exceeded. Although some inverter rooms are designed by additionally installing a wind and sand prevention shutter or a higher-level dustproof design, improvement is made on dust and sand prevention to a certain extent and in a certain time. However, in the windy and sandy areas in the northwest, the situation is still serious, a large amount of dust is cleaned, the temporary solution is not treated, and the dust cannot be fundamentally prevented from entering. When investing in a photovoltaic power station, an owner needs to consider initial construction cost, but the long-term service life, safety, operation and maintenance total cost of products are more important, and the problem of sand dust of a centralized inverter room increasingly affects the long-term reliable operation of the power station. It is therefore critical to develop a better and less costly way of operation and maintenance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a photovoltaic power plant dc-to-ac converter is maintained and operation device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a photovoltaic power station inverter maintenance and operation device comprises a foundation and a case, wherein the case is fixedly installed above the foundation, a ceramic seat is arranged in the case, a rubber pad is fixedly installed above the ceramic seat, supporting legs are fixedly installed above the rubber pad, an inverter is fixedly installed above the supporting legs, a cable box is fixedly installed on one side of the inverter, a temperature and humidity meter is fixedly installed at one end of the inverter, a semiconductor radiator is fixedly installed right above the temperature and humidity meter, radiating fins are fixedly installed at the upper end of the inverter, a control box is fixedly installed on the inner wall of the case, a dehumidifier is fixedly installed on the other inner wall of the case, a fan is fixedly installed above the case, an air channel is fixedly installed on one side of the fan, a baffle is fixedly installed in the air channel, a filter screen is fixedly installed on one side, the improved dust remover is characterized in that a gear set is arranged at one end of the spiral dust remover, a motor is fixedly mounted below the spiral dust remover, a ground wire is fixedly mounted on one side of the case, an air outlet is formed in the upper portion of the ground wire, a cable is arranged above the air outlet, a controller is fixedly mounted on one side of the case, an air inlet is formed in the upper portion of the controller, and a humidity exhaust pipe is fixedly mounted on the other side of the case.

Preferably, the lower end of the ceramic seat is embedded into the foundation, and the rubber pad is fixed at the upper end of the ceramic seat by glue.

Preferably, the cable box comprises two parts, each part is provided with two apertures, the sizes of the apertures of the two parts are matched, and the outer sides of the apertures are provided with dustproof and waterproof rubber rings.

Preferably, a small fan is fixedly installed on the other side of the semiconductor radiator, and radiating fins are fixedly installed on the periphery of the small fan arranged on the semiconductor radiator.

Preferably, the machine case is internally provided with two cavities, the cavities are internally and movably provided with air ducts, the baffles in the air ducts are vertically and alternately arranged at the upper end and the lower end of the inner wall, and the filter screen is transversely arranged between the baffles.

Preferably, a groove is formed right below the air duct, the spiral dust remover is fixedly installed in the groove, two gears are arranged in the gear set, the two gears are respectively arranged on the spiral dust remover and the output end of the motor, the gear fixedly installed at one end of the spiral dust remover is meshed with the gear fixedly installed at the output end of the motor, and the other end of the spiral dust remover penetrates through the side wall of the case.

Compared with the prior art, the beneficial effects of the utility model are that: this photovoltaic power plant dc-to-ac converter is maintained and is operated, improves traditional dust screen and be the wind channel, sieves the air dust in grades, and intelligence control by temperature change is automatic dehumidification, and the heat dissipation of grading effectively improves dust processing cycle, and the circuit harm that brings with wet dirt.

Drawings

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

fig. 2 is a diagram showing the positional relationship among the inverter, the semiconductor radiator and the heat dissipating fins of the present invention;

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

fig. 4 is a schematic view of an inner structure of the cable box of the present invention;

FIG. 5 is an enlarged view of A in FIG. 1;

fig. 6 is an enlarged schematic view of B in fig. 1.

In the figure: 1. a foundation; 2. a chassis; 3. a ceramic base; 4. a rubber pad; 5. supporting legs; 6. an inverter; 7. a cable box; 8. a hygrothermograph; 9. a semiconductor heat sink; 10. heat dissipation fins; 11. a control box; 12. a controller; 13. a dehumidifier; 14. a fan; 15. an air duct; 16. a motor; 17. a gear set; 18. a spiral dust remover; 19. a ground wire; 20. an air outlet; 21. an air inlet; 22. a moisture removal pipe; 23. a baffle plate; 24. filtering with a screen; 25. an electrical cable.

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. 1-6, the present invention provides an embodiment: a photovoltaic power station inverter maintenance and operation device comprises a foundation 1 and a case 2, the case 2 is fixedly arranged above the foundation 1, a ceramic seat 3 is arranged in the case 2, the ceramic seat 3 is an insulator and has strong hard, thick and heavy bearing capacity, a rubber pad 4 is fixedly arranged above the ceramic seat 3, a supporting leg 5 is fixedly arranged above the rubber pad 4, the lower end of the ceramic seat 3 is embedded into the foundation 1, the rubber pad 4 is fixed above the supporting leg 5 at the upper end of the ceramic seat 3 by glue, an inverter 6 is fixedly arranged above the supporting leg 5, a cable box 7 is fixedly arranged at one side of the inverter 6, the cable box 7 consists of two parts, each part is provided with two apertures, the aperture sizes of the two parts are matched, dustproof and waterproof rubber rings are arranged outside the apertures, the two parts are respectively provided with a bolt and a nut, a cable 25 penetrates through the bolt and the nut, a heat dissipation fin 10 is, a semiconductor radiator 9 is fixedly arranged right above the hygrothermograph 8, the semiconductor radiator 9 is driven by electric power, when a thermocouple formed by connecting an N-type semiconductor material and a P-type semiconductor material has current flowing through the thermocouple, heat transfer is generated between two ends, the heat is transferred from one end to the other end, so as to generate temperature difference to form a cold-hot end, the cold end is attached to the inverter 6, a small fan is fixedly arranged at one side of the hot end, radiating fins 10 are fixedly arranged around the small fan, the radiating fins 10 are fixedly arranged at the upper end of the inverter 6, a control box 11 is fixedly arranged on the inner wall of the case 2, a dehumidifier 13 is fixedly arranged on the other inner wall of the case 2, a fan 14 is fixedly arranged above the case 2, an air channel 15 is fixedly arranged at one side of the fan 14, a baffle plate 23 is fixedly arranged in the, the air duct 15 is movably arranged in the cavity, the baffles 23 in the air duct 15 are vertically and alternately arranged at the upper end and the lower end of the inner wall, the filter screen 24 is transversely arranged between the baffles 23, when dust particles in air pass through the filter screen 24 from bottom to top along with wind, the dust particles are blocked by the transversely arranged filter screen 24 due to overlarge diameter and then fall down, the cable box 7 consists of two parts, each part is provided with two apertures, the aperture sizes of the two parts are matched, the outer sides of the apertures are provided with dustproof and waterproof rubber rings, the lower end of the air duct 15 is provided with a spiral dust remover 18, one end of the spiral dust remover 18 is provided with a gear set 17, a motor 16 is fixedly arranged below the spiral dust remover 18, a groove is arranged under the air duct 15, the spiral dust remover 18 is fixedly arranged in the groove, when the fallen dust is taken out of the case 2 by the spiral, and two gears are respectively arranged on the spiral dust remover 18 and the output end of the motor 16, the gear fixedly arranged at one end of the spiral dust remover 18 is meshed with the gear fixedly arranged at the output end of the motor 16, the other end of the spiral dust remover 18 penetrates through the side wall of the case 2, when the ground wire 19 is fixedly arranged at one side of the dust case 2, the air outlet 20 is formed above the ground wire 19, the cable 25 is arranged above the air outlet 20, the controller 12 is fixedly arranged at one side of the case 2, the air inlet 21 is formed above the controller 12, and the humidity exhaust pipe 22 is fixedly arranged at the other side of the case 2.

The working principle is as follows: the case 2 is integrally fixed on the foundation 1, the inverter 6 in the case 2 is fixed on the rubber pad 4 by the supporting foot 5 for preliminary insulation, the rubber pad 4 is fixed on the ceramic seat 3 by glue, the ceramic seat 3 is an insulator for further insulation, and is firm and strong in bearing and reducing noise, when the inverter 6 works, the control box 11 starts to monitor the temperature and the air humidity of the inverter 6 by the hygrothermograph 8, when the temperature is too high, the fan 14 is started to take away heat by accelerating the air flow, the air enters from the air inlet 21 and the filter screen 24, the air flows downwards by the baffle 23 and flows upwards by the second baffle 23, the air is filtered again when flowing through the transverse filter screen 24, because the dust in the air with too large diameter is blocked to fall into the spiral dust remover 18 and is taken out of the case 2, the air duct 15 cannot be removed, and finally the air flows through the heat dissipation fins 10 on the inverter 6 and flows out from the air outlet, meanwhile, a semiconductor radiator 9 is arranged in a local high-temperature area of the inverter 6 for auxiliary heat dissipation, when air is humid in rainy season, moisture in the air and dust are combined to become wet dust to damage components, at the moment, the dehumidifier 13 is opened to remove the moisture in the air and the moisture is discharged from the moisture discharge pipe 22, the controller 12 on one side of the case 2 can display and control internal work, when the cable 25 is connected into the inverter 6, the cable box 7 is opened, the cable 25 penetrates through an inner hole, then the bolt is tightened, the dustproof and waterproof rubber ring is aligned and connected, and the fixing screw is tightened.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or scope of the present invention. Accordingly, the embodiments of the present invention are exemplary, and not limiting. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that 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. The utility model provides a photovoltaic power plant inverter maintains and operation device, includes ground (1) and quick-witted case (2), its characterized in that: the ground foundation (1) is fixedly provided with a machine case (2) above, the machine case (2) is internally provided with a ceramic seat (3), the ceramic seat (3) is fixedly provided with a rubber pad (4) above, the rubber pad (4) is fixedly provided with a supporting leg (5), the supporting leg (5) is fixedly provided with an inverter (6), one side of the inverter (6) is fixedly provided with a cable box (7), one end of the inverter (6) is fixedly provided with a hygrothermograph (8), a semiconductor radiator (9) is fixedly arranged right above the hygrothermograph (8), the upper end of the inverter (6) is fixedly provided with a radiating fin (10), the inner wall of the machine case (2) is fixedly provided with a control box (11), the other inner wall of the machine case (2) is fixedly provided with a dehumidifier (13), and the machine case (2), fan (14) one side fixed mounting has wind channel (15), fixed mounting has baffle (23) in wind channel (15), baffle (23) one side fixed mounting has filter screen (24), wind channel (15) lower extreme is equipped with spiral dust remover (18), spiral dust remover (18) one end is equipped with gear train (17), spiral dust remover (18) below fixed mounting has motor (16), machine case (2) one side fixed mounting has ground wire (19), air outlet (20) have been seted up to ground wire (19) top, the air outlet top is equipped with cable (25), machine case (2) one side fixed mounting has controller (12), air intake (21) have been seted up to controller (12) top, machine case (2) opposite side fixed mounting has hydrofuge pipe (22).

2. The photovoltaic power plant inverter maintenance and operation apparatus of claim 1, wherein: the lower end of the ceramic seat (3) is embedded into the foundation (1), and the rubber pad (4) is fixed at the upper end of the ceramic seat (3) through glue.

3. The photovoltaic power plant inverter maintenance and operation apparatus of claim 1, wherein: the cable box (7) is composed of two parts, each part is provided with two apertures, the sizes of the apertures of the two parts are matched, and the outer sides of the apertures are provided with dustproof and waterproof rubber rings.

4. The photovoltaic power plant inverter maintenance and operation apparatus of claim 1, wherein: the other side of the semiconductor radiator (9) is fixedly provided with a small fan, and the periphery of the small fan arranged on the semiconductor radiator (9) is fixedly provided with radiating fins (10).

5. The photovoltaic power plant inverter maintenance and operation apparatus of claim 1, wherein: the novel air conditioner is characterized in that two cavities are formed in the case (2), an air duct (15) is movably mounted in each cavity, the baffles (23) in the air duct (15) are vertically and alternately mounted at the upper end and the lower end of the inner wall, and the filter screens (24) are transversely mounted between the baffles (23).

6. The photovoltaic power plant inverter maintenance and operation apparatus of claim 1, wherein: a groove is formed right below the air duct (15), a spiral dust remover (18) is fixedly installed in the groove, two gears are arranged in the gear set (17), the two gears are respectively arranged on the spiral dust remover (18) and the output end of the motor (16), the gear fixedly installed at one end of the spiral dust remover (18) is meshed with the gear fixedly installed at the output end of the motor (16), and the other end of the spiral dust remover (18) penetrates through the side wall of the case (2).