CN220189367U - Photovoltaic inversion isolation transformer - Google Patents
Photovoltaic inversion isolation transformer Download PDFInfo
- Publication number
- CN220189367U CN220189367U CN202320161447.1U CN202320161447U CN220189367U CN 220189367 U CN220189367 U CN 220189367U CN 202320161447 U CN202320161447 U CN 202320161447U CN 220189367 U CN220189367 U CN 220189367U
- Authority
- CN
- China
- Prior art keywords
- block
- dust cover
- fixing
- clamping
- adjusting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000002955 isolation Methods 0.000 title claims abstract description 26
- 239000000428 dust Substances 0.000 claims abstract description 44
- 230000001105 regulatory effect Effects 0.000 claims abstract description 32
- 238000009434 installation Methods 0.000 claims abstract description 4
- 230000005855 radiation Effects 0.000 claims description 5
- 238000004804 winding Methods 0.000 abstract description 8
- 230000033228 biological regulation Effects 0.000 abstract description 4
- 238000010248 power generation Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Landscapes
- Inverter Devices (AREA)
Abstract
The utility model provides a photovoltaic inversion isolation transformer, and belongs to the technical field of transformers. Including the transformer body, transformer body top is connected with the wiring board, the fixed mount that has cup jointed of transformer body outer wall, mount top demountable installation has the dust cover, the dust cover front end is opened there is a plurality of wire hole, be provided with anti-winding subassembly in the dust cover, anti-winding subassembly includes L type regulating plate, L type regulating plate inboard has the slider, the equal vertical spout that supplies the slider to inlay card of opening in dust cover both sides, the roof is connected with the connecting rod in the L type regulating plate, the through-hole that supplies the connecting rod to pass is opened at the dust cover top, the connecting rod passes the through-hole and is fixed with the regulating block, the regulating block is opened there is a plurality of regulation hole, the locking subassembly that can fix L type regulating plate is installed to the dust cover both sides. The utility model has simple, reliable and reasonable structure, can effectively improve the wiring quality of the transformer body, and effectively avoids dust from affecting the wiring quality of the transformer body.
Description
Technical Field
The utility model belongs to the technical field of transformers, and relates to a photovoltaic inversion isolation transformer.
Background
At present, most of domestic solar photovoltaic grid-connected power generation systems contain a safety isolation transformer (namely a photovoltaic inversion isolation transformer), and if the photovoltaic power generation system without the safety isolation transformer has no isolation problem due to the existence of a leakage power supply and the like, the isolation transformer can electrically isolate components and a power grid, and meanwhile, direct current components and leakage current can be prevented from entering the power grid so as to protect power generation system equipment and the power grid. The photovoltaic grid-connected inverter isolation transformer which can be designed and produced is used for solving the problems of power grid harmonic wave, flicker, direct current magnetic bias, overvoltage and the like caused by photovoltaic power generation. Photovoltaic isolation transformers are commonly used between the grid and grid-connected inverters, which can isolate the inverter and send electrical energy back to the grid. The solar photovoltaic grid-connected inverter isolation transformer has the advantages of interference resistance, fire resistance, moisture resistance, discharge striking resistance, low energy consumption, safety, convenience in maintenance and the like.
At present, the top of the existing isolation transformer is fixed with two rows of wiring boards, wires are connected through the wiring boards, the wires are electrically connected with external electric appliances through the wires, and the isolation transformer is used, but before the isolation transformer is used, a plurality of wiring grooves on the wiring boards on the isolation transformer are of an open structure, so that dust falls into the wiring grooves, the problem of poor wiring effect is caused, an anti-winding structure is not arranged on the wiring boards, a plurality of wiring grooves are connected with a plurality of wires, and then the wires are wound easily, so that the wiring quality is further reduced.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides a photovoltaic inversion isolation transformer, which aims to solve the problem of poor wiring quality of the photovoltaic inversion isolation transformer in the prior art.
The aim of the utility model can be achieved by the following technical scheme: the utility model provides a photovoltaic contravariant isolation transformer, includes the transformer body, transformer body top is connected with the wiring board, its characterized in that, the fixed mount that has cup jointed of transformer body outer wall, mount top demountable installation has the dust cover, the dust cover can cover the wiring board, the dust cover front end is opened there is a plurality of wire hole, be provided with anti-winding subassembly in the dust cover, anti-winding subassembly includes L type regulating plate, L type regulating plate inboard has the slider, the equal vertical spout that opens in dust cover both sides has the confession slider inlay card, the roof is connected with the connecting rod in the L type regulating plate, the through-hole that supplies the connecting rod to pass is opened at the dust cover top, the connecting rod passes the through-hole and is fixed with the regulating block, the regulating block is opened there is a plurality of regulation hole, the locking subassembly that can fix L type regulating plate is installed to the dust cover both sides.
Further, the bottom of the dust cover is provided with a clamping block, and the top of the fixing frame is provided with a clamping groove for clamping the clamping block.
Further, the mount in be provided with adjusting part, adjusting part includes regulation pole, movable block, the mount both sides transversely open and have the adjustment tank that supplies the regulation pole card to inlay, the mount internally open and have the fixed slot that supplies the movable block card to inlay, the fixed slot front end with the draw-in groove is linked together, the movable block card inlays in the fixed slot and can remove along the fixed slot, the movable block rear end with be fixed with the spring between the fixed slot inner wall, the movable block front end is fixed with the dead lever that can pass the fixed slot and extend to the draw-in groove, the fixture block is opened there is the fixed orifices that supplies the dead lever card to inlay, transversely open has the spread groove in the mount, both ends are linked together with adjustment tank, fixed slot respectively about the spread groove, the movable block bottom is connected with the connecting block, the connecting block pass the spread groove with adjust the pole outer wall and be fixed mutually.
Furthermore, one end of the adjusting rod penetrates through the adjusting groove to extend out of the fixing frame and is fixed with a pressing block.
Further, the locking assembly comprises a threaded rod, the L-shaped adjusting plate is provided with a limiting hole, one side of the protective shell is provided with a threaded groove, one end of the threaded rod is clamped in the threaded groove and is in threaded connection with the threaded groove, the other end of the threaded rod penetrates through the limiting hole and is fixedly provided with a positioning block, and the inner side of the positioning block can prop against the outer side of the L-shaped adjusting plate.
Further, the rear end of the dust cover is provided with a heat radiation opening, and the inner wall of the heat radiation opening is fixed with a dust screen.
Compared with the prior art, the utility model has the advantages that: the utility model has simple and reasonable structure, reliability and firmness and is convenient for production, the dustproof protection of the wiring board can be realized by arranging the dustproof cover, the reduction of wiring quality caused by dust influence of the voltage transformer body before wiring is avoided, the quick disassembly and assembly of the dustproof cover is realized by arranging the adjusting component, the wiring efficiency of the transformer body is further improved, and the anti-winding treatment and the tensioning treatment of the electric wires in the dustproof cover are realized by arranging the anti-winding component and the locking component, so that the wiring quality of the transformer body is further improved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a cross-sectional view of the present utility model.
Figure 3 is a front cross-sectional view of a dust cap of the present utility model.
Figure 4 is a top cross-sectional view of the dust cap of this utility model.
Fig. 5 is an enlarged view of the utility model at a of fig. 2.
In the figure, 1, a transformer body; 2. a wiring board; 3. a fixing frame; 4. a dust cover; 5. a wire through hole; 6. an L-shaped adjusting plate; 7. a slide block; 8. a chute; 9. a connecting rod; 10. an adjusting block; 11. an adjustment aperture; 12. a clamping block; 13. a clamping groove; 14. an adjusting rod; 15. a moving block; 16. an adjustment tank; 17. a fixing groove; 18. a spring; 19. a fixed rod; 20. a fixing hole; 21. a connecting groove; 22. a connecting block; 23. pressing the blocks; 24. a threaded rod; 25. a limiting hole; 26. a thread groove; 27. a positioning block; 28. a heat radiation port; 29. a dust-proof net.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1 and 2, this photovoltaic inversion isolation transformer, including transformer body 1, transformer body 1 top is connected with wiring board 2, and wiring board 2 is connected for the electricity with the transformer body, and the external electric wire of transformer body 1 accessible wiring board 2 connection to be linked together with external electrical apparatus through the electric wire, fixed mount 3 of having cup jointed of transformer body outer wall, mount 3 top demountable installation has dust cover 4, and dust cover 4 can effectively prevent external dust entering wiring board 2 in, dust cover 4 can cover wiring board 2, the dust cover 4 front end is opened there is a plurality of wire passing hole 5, wire passing hole 5 can pass, be provided with antiwind subassembly in the dust cover 4, antiwind subassembly includes L type regulating plate 6, L type regulating plate 6 inboard has slider 7, the equal vertical spout 8 that has the power supply slider 7 to block in dust cover 4 both sides, L type regulating plate 6 inner top wall is connected with connecting rod 9, dust cover 4 top is opened there is the through-hole that supplies connecting rod 9 to pass, 9, the connecting rod 9 is opened there is a plurality of wire passing hole 5, the regulating block 10 can be realized through the regulating block 10, the high-efficient regulator of the voltage can take place the regulating block through the regulating block 10, the regulating block is realized through the regulating block 10, and the high-pressure regulating block is realized through the regulating block 10, and the regulating block is realized the regulating block is 10.
As shown in fig. 2, 3 and 5, a clamping block 12 is arranged at the bottom of the dust cover 4, a clamping groove 13 for clamping the clamping block 12 is formed in the top of the fixing frame 3, an adjusting component is arranged in the fixing frame 3 and comprises an adjusting rod 14 and a moving block 15, adjusting grooves 16 for clamping the adjusting rod 14 are formed in two sides of the fixing frame 3 in a transverse mode, the adjusting rod 14 can transversely slide along the adjusting grooves 16, a fixing groove 17 for clamping the moving block 15 is formed in the fixing frame 3, the front end of the fixing groove 17 is communicated with the clamping groove 13, the moving block 15 is clamped in the fixing groove 17 and can move along the fixing groove 17, a spring 18 is fixed between the rear end of the moving block 15 and the inner wall of the fixing groove 17, a fixing rod 19 capable of penetrating through the fixing groove 17 and extending into the clamping groove 13 is fixed at the front end of the moving block 15, a fixing hole 20 for clamping the fixing rod 19 is formed in the fixing groove 12, a connecting groove 21 is formed in the fixing frame 3 in a transverse mode, the upper end and the lower end of the connecting groove 21 are respectively communicated with the adjusting groove 16 and the fixing groove 17, the adjusting rod 22 is connected with the adjusting rod 14 in a connecting groove 21 in a mode, and one end of the connecting block 21 is connected with the fixing groove 22 extends through the fixing groove 14. By applying a pushing force to the pressing block 23, the adjusting rod 14 can be driven to move along the adjusting groove 16, the adjusting rod 14 drives the moving block 15 to move along the fixing groove 17 through the connecting block 22, the moving block 15 drives the fixing rod 19 to move towards the inside of the fixing groove 17, the moving block 15 presses the spring 18, the spring 18 is compressed and has a certain elastic potential energy, the pressing of the pressing block 23 is released, the spring 18 applies a pushing force to the moving block 15, the moving block 15 moves along the fixing groove 17, the moving block 15 drives the fixing rod 19 to move towards the clamping groove 13, one end of the fixing rod 19 passes through the fixing groove 17 and is positioned in the clamping groove 13, meanwhile, the moving block 15 drives the adjusting rod 14 to move towards the outside of the fixing frame 3 through the connecting block 22, and the adjusting rod 14 is reset.
As shown in fig. 2-4, the locking assembly includes a threaded rod 24, the L-shaped adjusting plate 6 is provided with a limiting hole 25, one side of the protective shell is provided with a threaded groove 26, one end of the threaded rod 24 is clamped in the threaded groove 26 and is in threaded connection with the threaded groove 26, the other end of the threaded rod 24 passes through the limiting hole 25 and is fixed with a positioning block 27, the inner side of the positioning block 27 can abut against the outer side of the L-shaped adjusting plate 6, the threaded rod 24 is driven to rotate by rotating the positioning block 27, so that the threaded rod 24 moves along the threaded groove 26, the positioning block 27 can move towards the limiting hole 25, the inner side of the positioning block 27 abuts against the outer wall of the L-shaped adjusting plate 6, the L-shaped adjusting plate 6 is fixed, the rear end of the dust cover 4 is provided with a heat dissipation opening 28, and the inner wall of the heat dissipation opening 28 is fixed with a dust screen 29.
The specific operation mode of the utility model is as follows:
the wiring board 2 is connected with an external electric wire, the electric wire sequentially passes through the adjusting hole 11 and the wire passing hole 5, a pushing force is applied to the pressing block 23, the adjusting rod 14 can be driven to move along the adjusting groove 16, the adjusting rod 14 drives the moving block 15 to move along the fixing groove 17 through the connecting block 22, the moving block 15 drives the fixing rod 19 to move towards the inside of the fixing groove 17, the moving block 15 presses the spring 18, the spring 18 is compressed and has a certain elastic potential energy, the clamping block 12 of the dust cover 4 is aligned with the clamping groove 13 formed in the top of the fixing frame 3, the pressing of the pressing block 23 is released, the spring 18 applies a pushing force to the moving block 15, the moving block 15 moves along the fixing groove 17, the moving block 15 drives the fixing rod 19 to move towards the clamping groove 13, one end of the fixing rod 19 passes through the fixing groove 17 and is positioned in the clamping groove 13, the fixing rod 19 is clamped into the fixing hole 20, and meanwhile, the moving block 15 drives the adjusting rod 14 to move towards the outside of the fixing frame 3 through the connecting block 22, and the adjusting rod 14 is reset.
The threaded rod 24 is driven to rotate through the rotating positioning block 27, the threaded rod 24 moves along the thread groove 26, the threaded rod 24 drives the positioning block 27 to be far away from the limiting hole 25, the L-shaped adjusting plate 6 is moved, the L-shaped adjusting plate 6 drives the adjusting block 10 to move to a proper position through the connecting rod 9, the external electric wire is tensioned, the external electric wire is effectively prevented from winding, the threaded rod 24 is driven to rotate by the rotating positioning block 27, the threaded rod 24 moves along the thread groove 26, the positioning block 27 moves towards the limiting hole 25, the inner side of the positioning block 27 abuts against the outer wall of the L-shaped adjusting plate 6, and the L-shaped adjusting plate 6 is fixed.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (6)
1. The utility model provides a photovoltaic contravariant isolation transformer, includes transformer body (1), transformer body (1) top is connected with wiring board (2), a serial communication port, fixed mount (3) have been cup jointed to transformer body (1) outer wall, mount (3) top demountable installation has dust cover (4), dust cover (4) can cover wiring board (2), dust cover (4) front end is opened there is a plurality of wire hole (5), be provided with antiwind subassembly in dust cover (4), antiwind subassembly includes L type regulating plate (6), L type regulating plate (6) inboard has slider (7), all vertical division in dust cover (4) both sides has spout (8) that supply slider (7) block, roof is connected with connecting rod (9) in L type regulating plate (6), dust cover (4) top is opened there is the through-hole that supplies connecting rod (9) to pass, connecting rod (9) are fixed with regulating block (10) through the through-hole, regulating block (10) have a plurality of to open, regulating block (11) can carry out fixed subassembly to both sides of regulating plate (4).
2. The photovoltaic inversion isolation transformer according to claim 1, wherein a clamping block (12) is arranged at the bottom of the dust cover (4), and a clamping groove (13) for clamping the clamping block (12) is formed in the top of the fixing frame (3).
3. The photovoltaic inverter isolation transformer according to claim 2, wherein an adjusting component is arranged in the fixing frame (3), the adjusting component comprises an adjusting rod (14) and a moving block (15), adjusting grooves (16) for clamping the adjusting rod (14) are transversely formed in two sides of the fixing frame (3), fixing grooves (17) for clamping the moving block (15) are formed in the fixing frame (3), the front ends of the fixing grooves (17) are communicated with the clamping grooves (13), the moving block (15) is clamped in the fixing grooves (17) and can move along the fixing grooves (17), springs (18) are fixed between the rear ends of the moving block (15) and the inner walls of the fixing grooves (17), fixing rods (19) which can penetrate through the fixing grooves (17) and extend into the clamping grooves (13) are fixedly arranged at the front ends of the moving block (15), fixing holes (20) for clamping the fixing rods (19) are formed in the fixing frame (3), connecting grooves (21) are transversely formed in the fixing frame (3), the upper ends and the lower ends of the connecting blocks (21) are connected with the connecting grooves (16) respectively, the connecting block (22) penetrates through the connecting groove (21) and is fixed with the outer wall of the adjusting rod (14).
4. A photovoltaic inverter isolation transformer according to claim 3, characterized in that one end of the adjusting rod (14) extends through the adjusting groove (16) to the outside of the fixing frame (3) and is fixed with a pressing block (23).
5. The photovoltaic inversion isolation transformer according to claim 4, wherein the locking assembly comprises a threaded rod (24), a limit hole (25) is formed in the L-shaped adjusting plate (6), a thread groove (26) is formed in one side of the dust cover (4), one end of the threaded rod (24) is clamped in the thread groove (26) and is in threaded connection with the thread groove (26), the other end of the threaded rod (24) penetrates through the limit hole (25) and is fixedly provided with a positioning block (27), and the inner side of the positioning block (27) can abut against the outer side of the L-shaped adjusting plate (6).
6. The photovoltaic inverter isolation transformer according to claim 5, wherein the rear end of the dust cover (4) is provided with a heat radiation opening (28), and a dust screen (29) is fixed on the inner wall of the heat radiation opening (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320161447.1U CN220189367U (en) | 2023-01-12 | 2023-01-12 | Photovoltaic inversion isolation transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320161447.1U CN220189367U (en) | 2023-01-12 | 2023-01-12 | Photovoltaic inversion isolation transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220189367U true CN220189367U (en) | 2023-12-15 |
Family
ID=89108524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320161447.1U Active CN220189367U (en) | 2023-01-12 | 2023-01-12 | Photovoltaic inversion isolation transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220189367U (en) |
-
2023
- 2023-01-12 CN CN202320161447.1U patent/CN220189367U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220189367U (en) | Photovoltaic inversion isolation transformer | |
| CN210517749U (en) | Lightning arrester capable of guiding and utilizing thunder and lightning in hydropower station area | |
| CN210224865U (en) | Anti-electricity-theft measurement secondary terminal box | |
| CN208433442U (en) | A kind of full lithium battery large capacity small-sized DC screen equipment | |
| CN208623201U (en) | A kind of resident's distribution compensation power distribution cabinet | |
| CN220209625U (en) | Double-shielding contact box for high-voltage switch cabinet | |
| CN219458323U (en) | Waterproof moisture-proof high-low voltage electrical complete equipment | |
| CN204761388U (en) | Compact photovoltaic junction box | |
| CN109494586A (en) | A kind of middle high and low voltage switch power distribution cabinet | |
| CN218005656U (en) | Electric intelligent control cabinet | |
| CN211508942U (en) | Air-cooled high-pressure soft opening device for thyristor valve | |
| CN204538707U (en) | To hold concurrently for mining explosion-proof type dynamic reactive power compensation the power model of active electric filter device | |
| CN221727727U (en) | A high-power SVG static reactive generator | |
| CN220527501U (en) | High-low voltage combined power distribution cabinet | |
| CN213989711U (en) | Anticreep power supply box | |
| CN214379551U (en) | An easy-to-install AC-DC screen power cabinet | |
| CN221487081U (en) | Automatic reactive compensation harmonic elimination capacitor box | |
| CN214255261U (en) | Electromagnetic shielding device for new energy transformer substation | |
| CN220585824U (en) | Strong and weak electricity block terminal | |
| CN222107336U (en) | A high-voltage distribution box with high protection level | |
| CN220492899U (en) | Solar panel mounting structure | |
| CN220307141U (en) | Support adjusting device for photovoltaic power generation | |
| CN216900663U (en) | Lead fixing device for replacing electric meter | |
| CN219554368U (en) | High-low voltage transformer cabinet with heat dissipation function | |
| CN217485846U (en) | OLT equipment with emergency power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |