CN219458893U

CN219458893U - Photovoltaic inverter

Info

Publication number: CN219458893U
Application number: CN202320699553.5U
Authority: CN
Inventors: 左强; 刘必权; 翟寿瑨
Original assignee: Jiangsu Dinglian New Energy Co ltd
Current assignee: Jiangsu Dinglian New Energy Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-08-01
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses a photovoltaic inverter, which particularly relates to the technical field of photovoltaic equipment, and comprises a rear shell, wherein a first T-shaped groove and a second T-shaped groove are formed in one side of the rear shell, a shell is slidably arranged in the first T-shaped groove and the second T-shaped groove, a second connecting block can be contacted with an L-shaped plate in the sliding process along a track of the first T-shaped groove and the track of the second T-shaped groove, the L-shaped plate is driven to move downwards, a rack is driven to move downwards immediately, a gear is driven to rotate immediately, the second rack is driven to move upwards, the hemispherical body is driven to move to the top of the first connecting block, the fixed shell is further realized, when the shell needs to be disassembled, a pull rod can be pulled in advance, the hemispherical body is driven to move away from the second rack, the shell is lifted upwards, the second connecting block can be out of contact with the L-shaped plate, and then the rear shell and the shell can be removed from the shell along the track of the first T-shaped groove and the second T-shaped groove, so that the rear shell and the shell can be overhauled conveniently and maintained quickly.

Description

Photovoltaic inverter

Technical Field

The utility model relates to the technical field of photovoltaic equipment, in particular to a photovoltaic inverter.

Background

The photovoltaic inverter can convert variable direct current voltage generated by a Photovoltaic (PV) solar panel into Alternating Current (AC) with mains frequency, and can be fed back to a commercial power transmission system or used for an off-grid power grid. The photovoltaic inverter is one of important system Balance (BOS) in a photovoltaic array system and can be used with general alternating current power supply equipment. The solar inverter has special functions such as maximum power point tracking and island effect protection in cooperation with the photovoltaic array.

The prior art has the following defects: the existing photovoltaic inverter is assembled and fixed through a threaded rod generally, and when the photovoltaic inverter is disassembled, the disassembly process is slow by means of a disassembly tool, so that the disassembly efficiency is low, and the follow-up overhaul and maintenance are not facilitated.

Therefore, it is necessary to invent a photovoltaic inverter.

Disclosure of Invention

The present utility model is directed to a photovoltaic inverter for solving the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the photovoltaic inverter comprises a rear shell, wherein a first T-shaped groove and a second T-shaped groove are formed in one side of the rear shell, a shell is mounted in the first T-shaped groove and the second T-shaped groove in a sliding mode, an inner cavity is formed in the rear shell, and a fixing device is arranged in the inner cavity;

the fixing device comprises a first rack, the first rack is slidably mounted on one side of the inner cavity, a gear is rotatably arranged on one side of the inner cavity, a second rack is slidably arranged on one side of the inner cavity, the first rack and the second rack are connected with the gear in a meshed mode, a first spring telescopic rod is fixedly arranged at the bottom of the first rack, the other end of the first spring telescopic rod is fixedly connected with one side of the inner cavity, a second spring telescopic rod is fixedly arranged on the second rack, the other end of the second spring telescopic rod is fixedly connected with one side of the inner cavity, an L-shaped plate is fixedly arranged on one side of the first rack, a connecting block I and a connecting block II are fixedly arranged on one side of the shell, which is close to the rear shell, the connecting block II is in movable contact with the L-shaped plate, an L-shaped rod is fixedly arranged on one side of the second rack, a hemispheroid is fixedly arranged on the other end of the third spring telescopic rod, and one side of the hemispheroid is in movable contact with the top.

Preferably, a first fixing block is fixedly arranged on one side of the inner cavity, and the first fixing block is fixedly connected with a first spring telescopic rod.

Preferably, a second fixing block is fixedly arranged on one side of the inner cavity, and the second fixing block is fixedly connected with a second spring telescopic rod.

Preferably, a first slide bar and a second slide bar are fixedly arranged on one side, far away from the shell, of the first connecting block and the second connecting block, and the first slide bar and the second slide bar are slidably arranged in the first T-shaped groove and the second T-shaped groove respectively.

Preferably, a first chute and a second chute are formed in one side, close to the shell, of the rear shell, and the L-shaped plate and the L-shaped rod are respectively and slidably arranged in the second chute and the first chute.

Preferably, a backing plate is fixedly arranged on one side, close to the shell, of the rear shell, symmetrically distributed fixing columns are fixedly arranged at the top of the backing plate, symmetrically distributed round grooves are formed in the bottom of the shell, and the fixing columns are movably clamped in the round grooves.

Preferably, a pull rod is fixedly arranged on one side, away from the second rack, of the hemispherical body.

Preferably, screw nails are inserted into the four corners of the rear shell in a threaded manner.

Preferably, a rotating shaft is fixedly arranged on one side of the gear, and the rotating shaft is rotationally connected with one side of the inner cavity.

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

1. the first slide bar and the second slide bar can move downwards along the tracks of the first T-shaped groove and the second T-shaped groove, the second connecting block can be in contact with the L-shaped plate in the sliding process, the L-shaped plate is driven to move downwards, the rack is driven to move downwards, the gear is driven to rotate, the second rack is driven to move upwards, the hemispherical body is moved to the top of the first connecting block, the fixed shell is further realized, when the shell needs to be disassembled, the pull rod can be pulled in advance, the hemispherical body is moved away from the second rack, then the shell is moved upwards, the second connecting block can be not contacted with the L-shaped plate any more, and then the shell is moved out along the tracks of the first T-shaped groove and the second T-shaped groove, so that the rear shell and the shell can be disassembled quickly, and the overhaul and the maintenance are facilitated;

2. when the shell moves downwards along the tracks of the first T-shaped groove and the second T-shaped groove, the fixing column is inserted into the circular groove, so that support is provided for the shell, the stress of the first connecting block and the second connecting block is dispersed, and the stability is guaranteed.

Drawings

FIG. 1 is a schematic view of the overall structure provided by the present utility model;

fig. 2 is a schematic diagram of an inverter body structure according to the present utility model;

FIG. 3 is a schematic view of a pad structure according to the present utility model;

FIG. 4 is a schematic diagram of a gear structure according to the present utility model;

FIG. 5 is an enlarged schematic view of the structure shown in FIG. 4A according to the present utility model;

fig. 6 is an enlarged schematic view of the structure B in fig. 4 according to the present utility model.

In the figure: 1. a rear case; 12. a T-shaped groove I; 121. a first chute; 13. t-shaped groove II; 131. a second chute; 15. a first rack; 151. a first fixed block; 152. a first spring telescopic rod; 153. an L-shaped plate; 16. a gear; 17. a second rack; 171. a second fixed block; 172. a second spring telescopic rod; 173. an L-shaped rod; 174. a spring telescopic rod III; 175. a hemisphere; 176. a pull rod; 19. a backing plate; 191. fixing the column; 21. a housing; 22. a first connecting block; 23. a first slide bar; 24. a second connecting block; 25. a second slide bar; 26. a circular groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: as shown in fig. 1-6, the utility model provides a photovoltaic inverter, which comprises a rear shell 1, wherein a first T-shaped groove 12 and a second T-shaped groove 13 are formed in one side of the rear shell 1, a shell 21 is slidably arranged in the first T-shaped groove 12 and the second T-shaped groove 13, an inner cavity is formed in the rear shell 1, and a fixing device is arranged in the inner cavity;

the fixing device comprises a first rack 15, the first rack 15 is slidably mounted on one side of an inner cavity, a gear 16 is rotationally arranged on one side of the inner cavity, a second rack 17 is slidably arranged on one side of the inner cavity, both the first rack 15 and the second rack 17 are connected with the gear 16 in a meshed mode, a first spring telescopic rod 152 is fixedly arranged at the bottom of the first rack 15, the other end of the first spring telescopic rod 152 is fixedly connected with one side of the inner cavity, a second spring telescopic rod 172 is fixedly arranged at the second rack 17, the other end of the second spring telescopic rod 172 is fixedly connected with one side of the inner cavity, an L-shaped plate 153 is fixedly arranged at one side of the first rack 15, a connecting block first 22 and a second connecting block 24 are fixedly arranged at one side of the shell 21, the second connecting block 24 is in movable contact with the L-shaped plate 153, an L-shaped rod 173 is fixedly arranged at the top of the second rack 17, a third spring telescopic rod 174 is fixedly arranged at one side of the second connecting block 173, a hemisphere 175 is fixedly arranged at the other end of the third spring telescopic rod 174, and one side of the hemisphere 175 is in movable contact with the top of the first connecting block 22.

Further, a first fixing block 151 is fixedly arranged on one side of the inner cavity, and the first fixing block 151 is fixedly connected with a first spring telescopic rod 152, so that the first spring telescopic rod 152 can be conveniently fixed.

Further, a second fixing block 171 is fixedly arranged on one side of the inner cavity, and the second fixing block 171 is fixedly connected with a second spring telescopic rod 172, so that the second spring telescopic rod 172 can be conveniently fixed.

Further, a first slide bar 23 and a second slide bar 25 are fixedly arranged on one sides, far away from the shell 21, of the first connecting block 22 and the second connecting block 24, and the first slide bar 23 and the second slide bar 25 are respectively and slidably arranged in the first T-shaped groove 12 and the second T-shaped groove 13, so that the shell 21 can slide conveniently.

Further, a first chute 121 and a second chute 131 are formed on a side of the rear housing 1, which is close to the housing 21, and the L-shaped plate 153 and the L-shaped rod 173 are slidably mounted in the second chute 131 and the first chute 121, respectively, so that the L-shaped plate 153 and the L-shaped rod 173 can slide conveniently.

Further, the back shell 1 is fixedly provided with a backing plate 19 on one side close to the shell 21, symmetrically distributed fixing columns 191 are fixedly arranged at the top of the backing plate 19, symmetrically distributed round grooves 26 are formed in the bottom of the shell 21, and the fixing columns 191 are movably clamped in the round grooves 26, so that support is provided for the shell 21, stress of the first connecting block 22 and the second connecting block 24 is dispersed, and stability is guaranteed.

Further, a pull rod 176 is fixedly arranged on one side, away from the second rack 17, of the hemisphere 175, so that the hemisphere 175 can be pulled conveniently.

Further, screw nails are inserted into four corners of the rear shell 1 in a threaded manner, and the photovoltaic inverter can be fixed at a preset position through four screws on the rear shell 1.

Further, a rotating shaft is fixedly arranged on one side of the gear 16, and the rotating shaft is rotationally connected with one side of the inner cavity, so that the gear 16 can rotate conveniently.

Working principle: when the rear shell 1 and the shell 21 are required to be assembled, the slide bar I23 and the slide bar II 25 at the back of the shell 21 can slide into the rear shell 1 along the first T-shaped groove 12 and the second T-shaped groove 13 and move downwards along the tracks of the first T-shaped groove 12 and the second T-shaped groove 13, the second connecting block 24 contacts with the L-shaped plate 153 in the sliding process, the L-shaped plate 153 is driven to move downwards, the first spring telescopic rod 152 is compressed, the rack 15 is immediately driven to move downwards, the gear 16 is immediately driven to rotate, the second rack 17 is driven to move upwards, the second spring telescopic rod 172 is stretched, the L-shaped rod 173 and the third hemispherical body 174 are driven to move upwards, the hemispherical body 175 is in sliding contact with one side of the first connecting block 22, the third hemispherical body 175 is compressed under the influence of the third spring telescopic rod 174, the hemispherical body 175 is driven to move to the top of the first connecting block 22, the shell 21 is fixed, and then the photovoltaic inverter is fixed at the preset position on the rear shell 1 through four screws, and the rear shell 21 is convenient to detach and repair;

when the shell 21 moves downwards along the tracks of the first T-shaped groove 12 and the second T-shaped groove 13, the fixing column 191 is inserted into the circular groove 26, so that the shell 21 is supported, the stress of the first connecting block 22 and the second connecting block 24 is dispersed, and the stability is ensured;

when the shell 21 needs to be disassembled, the pull rod 176 can be pulled in advance, the hemispheroid 175 moves away from the second rack 17, the third spring telescopic rod 174 is compressed, the hemispheroid 175 is not contacted with the first connecting block 22 any more, the shell 21 is lifted upwards, the second connecting block 24 is not contacted with the L-shaped plate 153 any more, and the shell 21 is moved out along the tracks of the first T-shaped groove 12 and the second T-shaped groove 13.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. Photovoltaic inverter, comprising a back shell (1), characterized in that: a first T-shaped groove (12) and a second T-shaped groove (13) are formed in one side of the rear shell (1), a shell (21) is slidably arranged between the first T-shaped groove (12) and the second T-shaped groove (13), an inner cavity is formed in the rear shell (1), and a fixing device is arranged in the inner cavity;

the fixing device comprises a first rack (15), the first rack (15) is slidably mounted on one side of an inner cavity, a gear (16) is rotatably arranged on one side of the inner cavity, a second rack (17) is slidably arranged on one side of the inner cavity, the first rack (15) and the second rack (17) are all connected with the gear (16) in a meshed mode, a first spring telescopic rod (152) is fixedly arranged at the bottom of the first rack (15), the other end of the first spring telescopic rod (152) is fixedly connected with one side of the inner cavity, a second spring telescopic rod (172) is fixedly arranged on one side of the second rack (17), the other end of the second spring telescopic rod (172) is fixedly connected with one side of the inner cavity, an L-shaped plate (153) is fixedly arranged on one side of the first rack (15), a connecting block I (22) and a second connecting block (24) are fixedly arranged on one side of the shell (21) close to the rear shell (1), an L-shaped rod (173) is fixedly arranged on the top of the second rack (17), a third spring telescopic rod (174) is fixedly arranged on one side of the L-shaped rod (173) close to one side of the inner cavity, and the third spring telescopic rod (174) is fixedly arranged on one side of the third spring telescopic rod (174) and the other side of the movable connecting block (174) is fixedly contacted with the third ball.

2. A photovoltaic inverter according to claim 1, characterized in that: one side of the inner cavity is fixedly provided with a first fixed block (151), and the first fixed block (151) is fixedly connected with a first spring telescopic rod (152).

3. A photovoltaic inverter according to claim 1, characterized in that: one side of the inner cavity is fixedly provided with a second fixing block (171), and the second fixing block (171) is fixedly connected with a second spring telescopic rod (172).

4. A photovoltaic inverter according to claim 1, characterized in that: one side of the first connecting block (22) and one side of the second connecting block (24), which are far away from the shell (21), are fixedly provided with a first sliding rod (23) and a second sliding rod (25), and the first sliding rod (23) and the second sliding rod (25) are respectively and slidably arranged in the first T-shaped groove (12) and the second T-shaped groove (13).

5. A photovoltaic inverter according to claim 1, characterized in that: a first chute (121) and a second chute (131) are formed in one side, close to the shell (21), of the rear shell (1), and the L-shaped plate (153) and the L-shaped rod (173) are respectively and slidably arranged in the second chute (131) and the first chute (121).

6. A photovoltaic inverter according to claim 1, characterized in that: one side of the rear shell (1) close to the shell (21) is fixedly provided with a base plate (19), the top of the base plate (19) is fixedly provided with symmetrically distributed fixing columns (191), the bottom of the shell (21) is provided with symmetrically distributed round grooves (26), and the fixing columns (191) are movably clamped in the round grooves (26).

7. A photovoltaic inverter according to claim 1, characterized in that: one side of the hemispherical body (175) far away from the rack II (17) is fixedly provided with a pull rod (176).

8. A photovoltaic inverter according to claim 1, characterized in that: screw nails are inserted into four corners of the rear shell (1) in a threaded manner.

9. A photovoltaic inverter according to claim 1, characterized in that: a rotating shaft is fixedly arranged on one side of the gear (16), and the rotating shaft is rotationally connected with one side of the inner cavity.