CN212969567U

CN212969567U - Photovoltaic inverter with soft starter

Info

Publication number: CN212969567U
Application number: CN202021881068.2U
Authority: CN
Inventors: 姚岛; 陈光黎; 雷禹; 雷久淮
Original assignee: Institute Of Electronics And Electronics Guangdong Academy Of Sciences; Research Institute Of Heyuan Academy Of Sciences
Current assignee: Institute Of Electronics And Electronics Guangdong Academy Of Sciences; Research Institute Of Heyuan Academy Of Sciences
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-04-13
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses a take soft starter's photovoltaic inverter relates to photovoltaic inverter technical field, including the dc-to-ac converter body, unable adjustment base and the installation cabinet body, installation cabinet body fixed mounting is at the unable adjustment base top, and the internal fixed baffle and lower baffle of being provided with of installation cabinet, and inverter body fixed mounting is at baffle top down, and the box is stored to the fixed drier that is provided with in installation cabinet body bottom, goes up and forms the drier between the baffle and the installation cabinet body and store the chamber, and the intercommunication passageway has been seted up to the drier storage chamber bottom. The utility model discloses can reduce the loss of dc-to-ac converter and improve the work efficiency of dc-to-ac converter, reduce electric wire netting harmonic simultaneously and pollute, soft start technique possesses soft shutdown function simultaneously, and soft shutdown is opposite with soft start process, the utility model discloses a take soft starter photovoltaic inverter to effectively reduce and reduce the impact of photovoltaic inverter when starting to the electric wire netting, improve equipment integrates the degree, has good drying effect simultaneously, and the practicality is stronger.

Description

Photovoltaic inverter with soft starter

Technical Field

The utility model relates to a photovoltaic inverter specifically is a take soft starter's photovoltaic inverter belongs to photovoltaic inverter technical field.

Background

The photovoltaic inverter is an inverter capable of converting variable direct-current voltage generated by a photovoltaic solar panel into alternating current with commercial power frequency, is one of important system balances in a photovoltaic array system, can be used together with common alternating-current power supply equipment, is mature electronic equipment at present, and a grid-connected inverter on the market at present uses a plurality of different technologies, including a novel high-frequency transformer, a traditional power-frequency transformer or a transformer-free framework.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a take soft starter's photovoltaic inverter just lies in providing a in order to solve above-mentioned problem, can reduce the loss of dc-to-ac converter and the work efficiency who improves the dc-to-ac converter, reduces electric wire netting harmonic simultaneously and pollutes, and soft start technique possesses soft shutdown function simultaneously, and soft shutdown is opposite with soft start process, can effectively reduce and reduce the impact to the electric wire netting when photovoltaic inverter starts, and improve equipment integrates the degree, has good drying effect simultaneously.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a take soft starter's photovoltaic inverter, including the dc-to-ac converter body, unable adjustment base and the installation cabinet body, the installation cabinet body fixed mounting be in the unable adjustment base top, the internal fixed baffle and lower baffle of being provided with of installation cabinet, dc-to-ac converter body fixed mounting be in baffle top down, the fixed drier that is provided with in installation cabinet body bottom stores the box, go up the baffle with it stores the chamber to form the drier between the installation cabinet body, the drier stores the chamber bottom and has seted up the intercommunication passageway, the drier is stored the box top and is worn to be equipped with the inlet pipe, the inlet pipe with through anti-overflow pipeline intercommunication between the intercommunication passageway, unable adjustment base one side is provided with power.

Preferably, in order to enable the drying agent to be stably discharged downwards, a better drying effect is achieved, a discharging mechanism is fixedly arranged in the drying agent storage cavity, and feeding pipes are arranged on two sides of the top of the drying agent storage cavity in a penetrating mode.

Preferably, in order to enable the driving motor to drive the threaded rod and the mounting rod to rotate, the discharging mechanism comprises the mounting rod, the threaded rod and the driving motor, and the two threaded rods are respectively welded at two ends of the mounting rod.

Preferably, in order to enable the threaded rod to rotate and to promote the material pushing plate to move to achieve the material pushing function, the output shaft of the driving motor is fixedly connected with the threaded rod at one end, and the threaded rod is connected with the material pushing plate in a threaded mode.

Preferably, in order to enable the material pushing plates mounted on the two threaded rods to move in opposite directions and not to be separated from each other, the anti-disengaging blocks are fixedly arranged on both sides of the mounting rod, and the thread directions on the two threaded rods are opposite.

Preferably, in order to enable the overflow preventing pipe to achieve a better drying effect, an inclined absorption pipe is fixedly arranged on the overflow preventing pipe, and an opening of the inclined absorption pipe faces upward.

Preferably, in order to reduce the loss of the inverter, improve the working efficiency of the inverter, and reduce the harmonic pollution of the power grid, the inverter body includes a fuse, a first filter, an IGBT inverter bridge, a second filter, and a soft starter, and the fuse, the first filter, the IGBT inverter bridge, the second filter, and the soft starter are connected in sequence.

The utility model has the advantages that: the utility model discloses can reduce the loss of dc-to-ac converter and improve the work efficiency of dc-to-ac converter, reduce electric wire netting harmonic simultaneously and pollute, soft start technique possesses soft shutdown function simultaneously, and soft shutdown is opposite with soft start process, the utility model discloses a take soft starter photovoltaic inverter to effectively reduce and reduce the impact of photovoltaic inverter when starting to the electric wire netting, improve equipment integrates the degree, has good drying effect simultaneously, and the practicality is stronger.

Drawings

Fig. 1 is a cross-sectional view of the overall structure of the present invention.

FIG. 2 is a schematic view of the discharge mechanism shown in FIG. 1.

Fig. 3 is a schematic view of the anti-spill tube shown in fig. 1.

Fig. 4 is a schematic view of an internal structure of the inverter body shown in fig. 1.

In the figure: 1. the device comprises a fixed base, 2, an installation cabinet body, 3, an inverter body, 4, a lower partition plate, 5, an upper partition plate, 6, a drying agent storage box, 7, an anti-overflow pipeline, 8, a feeding pipe, 9, a communication channel, 10, a discharging mechanism, 11, a feeding pipe, 12, an installation rod, 13, a threaded rod, 14, a driving motor, 15, a material pushing plate, 16, an oblique absorption pipe, 17, a fuse, 18, a first filter, 19, an IGBT inverter bridge, 20, a second filter, 21 and a soft starter.

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.

Please refer to fig. 1-4, a photovoltaic inverter with a soft starter, which comprises an inverter body 3, a fixed base 1 and an installation cabinet body 2, wherein the installation cabinet body 2 is fixedly installed on the top of the fixed base 1, an upper partition plate 5 and a lower partition plate 4 are fixedly arranged in the installation cabinet body 2, the inverter body 3 is fixedly installed on the top of the lower partition plate 4, a desiccant storage box 6 is fixedly arranged at the bottom of the installation cabinet body 2, a desiccant storage cavity is formed between the upper partition plate 5 and the installation cabinet body 2, a communication channel 9 is arranged at the bottom of the desiccant storage cavity, a feed pipe 8 is arranged at the top of the desiccant storage box 6 in a penetrating manner, the feed pipe 8 is communicated with the communication channel 9 through an anti-overflow pipeline 7.

As a technical optimization scheme, the drier is stored the intracavity and is fixed and be provided with row material mechanism 10, and the drier is stored chamber top both sides and is all worn to be equipped with filling tube 11, arranges material mechanism 10 including installation pole 12, threaded rod 13 and driving motor 14, and two threaded rods 13 weld respectively at the both ends of installation pole 12, drive installation pole 12 and threaded rod 13 simultaneously through driving motor 14 and remove.

As the utility model discloses a technical optimization scheme, the output shaft of driving motor 14 and the threaded rod 13 fixed connection of one end, threaded rod 13 goes up threaded connection has scraping wings 15, and the both sides of installation pole 12 are all fixed and are provided with the anticreep piece, and the screw thread opposite direction on two threaded rods 13 can drive scraping wings 15 lateral shifting through the rotation of threaded rod 13 to the drier that will be located the drier storage intracavity is crowded to anti-overflow pipeline 7 and is used for the drying.

As the utility model discloses a technical optimization scheme, the fixed slant absorption tube 16 that is provided with on the anti-overflow pipeline 7, the opening of slant absorption tube 16 is towards the top, and the drier can be with being located the moisture absorption in the anti-overflow pipeline 7 avris is gaseous after getting into anti-overflow pipeline 7, and the setting of slant absorption tube 16 can effectively improve area of contact, and prevents that the drier from spilling over.

As a technical optimization scheme, inverter body 3 includes insurance ware 17, first wave filter 18, IGBT contravariant bridge 19, second wave filter 20 and soft starter 21, insurance ware 17, first wave filter 18, IGBT contravariant bridge 19, second wave filter 20 and soft starter 21 connect gradually, can reduce the loss of inverter and improve the work efficiency of inverter, reduce electric wire netting harmonic simultaneously and pollute, soft start technique possesses soft shutdown function simultaneously, soft shutdown is opposite with soft start-up process, the utility model discloses a take soft starter photovoltaic inverter can effectively reduce and reduce the impact to the electric wire netting when photovoltaic inverter starts, improve equipment integration degree.

The utility model discloses when using, at first be connected power plug and external power source do the utility model discloses an each provides the electric energy with electrical apparatus, stores the drier of intracavity addition capacity to the drier through filling tube 11 simultaneously, and inverter body 3 reduces the loss of dc-to-ac converter and improves the work efficiency of dc-to-ac converter because soft starter 21's setting and circuit connection mode in the use, reduces electric wire netting harmonic pollution simultaneously, and soft start technique possesses soft shutdown function simultaneously, and soft shutdown is opposite with soft start process, the utility model discloses a take soft starter photovoltaic inverter can effectively reduce and reduce the impact to the electric wire netting when photovoltaic inverter starts, improve equipment integration degree.

When the arrangement mechanism 10 is used, the drying agent can be started in a timing starting mode, the drying agent is pushed to the anti-overflow pipeline 7 at regular time to achieve a drying effect, the drying effect is better and more durable, the utilization rate of the drying agent is higher, and the practicability is higher.

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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a take photovoltaic inverter of soft starter, includes inverter body (3), unable adjustment base (1) and the installation cabinet body (2), its characterized in that: the utility model discloses a solar energy drying and heat preservation device, including the installation cabinet body, the installation cabinet body (2) internal fixation is provided with baffle (5) and lower baffle (4), dc-to-ac converter body (3) fixed mounting be in baffle (4) top down, the fixed drier that is provided with in the installation cabinet body (2) bottom stores box (6), go up baffle (5) with it stores the chamber to form the drier between the installation cabinet body (2), intercommunication passageway (9) have been seted up to drier storage chamber bottom, inlet pipe (8) are worn to be equipped with at drier storage box (6) top, inlet pipe (8) with through anti-overflow pipeline (7) intercommunication between the intercommunication passageway (9), unable adjustment base (1) one side is provided with power plug through the power cord.

2. The photovoltaic inverter with the soft starter as claimed in claim 1, wherein: the drying agent storage cavity is internally and fixedly provided with a discharging mechanism (10), and both sides of the top of the drying agent storage cavity are provided with feed pipes (11) in a penetrating manner.

3. The photovoltaic inverter with the soft starter as claimed in claim 2, wherein: the discharging mechanism (10) comprises an installation rod (12), two threaded rods (13) and a driving motor (14), and the two threaded rods (13) are welded at two ends of the installation rod (12) respectively.

4. The photovoltaic inverter with the soft starter as claimed in claim 3, wherein: the output shaft of the driving motor (14) is fixedly connected with the threaded rod (13) at one end, and the threaded rod (13) is connected with a material pushing plate (15) in a threaded mode.

5. The photovoltaic inverter with the soft starter as claimed in claim 4, wherein: the both sides of installation pole (12) all are fixed and are provided with anticreep piece, two screw thread opposite direction on threaded rod (13).

6. The photovoltaic inverter with the soft starter as claimed in claim 1, wherein: an inclined absorption pipe (16) is fixedly arranged on the anti-overflow pipeline (7), and an opening of the inclined absorption pipe (16) faces upwards.

7. The photovoltaic inverter with the soft starter as claimed in claim 1, wherein: the inverter body (3) comprises a fuse (17), a first filter (18), an IGBT inverter bridge (19), a second filter (20) and a soft starter (21), wherein the fuse (17), the first filter (18), the IGBT inverter bridge (19), the second filter (20) and the soft starter (21) are connected in sequence.