CN117279276A - Photovoltaic micro inverter case - Google Patents
Photovoltaic micro inverter case Download PDFInfo
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- CN117279276A CN117279276A CN202311371611.2A CN202311371611A CN117279276A CN 117279276 A CN117279276 A CN 117279276A CN 202311371611 A CN202311371611 A CN 202311371611A CN 117279276 A CN117279276 A CN 117279276A
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- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 22
- 230000008531 maintenance mechanism Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/03—Covers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Patch Boards (AREA)
Abstract
The invention relates to the technical field of photovoltaic micro-inverters, and discloses a photovoltaic micro-inverter case, which comprises a case, a cover opening and closing assembly, a power-off overhauling mechanism and a fixed clamping assembly, wherein the cover opening and closing assembly is arranged on the outer surfaces of two sides of the case, the cover opening and closing assembly comprises an air cylinder, the air cylinder is fixedly arranged on the outer surface of the case, an ejector rod is fixedly connected with the air cylinder through an output shaft, a toothed plate is fixedly connected with the outer surface of the ejector rod, clamping teeth are arranged on two sides of the toothed plate, a driving gear is arranged above the toothed plate through surface clamping teeth in a meshing manner, and the driving gear is arranged below the toothed plate through surface clamping teeth in a meshing manner.
Description
Technical Field
The invention relates to the technical field of micro-inverters, in particular to a photovoltaic micro-inverter case.
Background
The photovoltaic micro-inverter is an inverter specially used in a solar photovoltaic system, and has the main function of converting direct current generated by a solar panel into alternating current for being supplied to families, offices or other equipment needing the alternating current, and is usually installed near each photovoltaic panel of the solar photovoltaic system and connected with each photovoltaic panel. Through converting direct current into alternating current, photovoltaic micro-inverter can convert the solar energy that photovoltaic cell board produced into the electric power that can directly use, and micro-inverter machine case is the shell structure that is used for holding and protecting micro-inverter, and the maintenance of inverter should be convenient for in the machine case design, considers easy dismantlement and easy assembled structural design chinese patent "CN201811210363.2" to disclose an inverter machine case structure for photovoltaic cell, relates to inverter technical field. It proposes: the inner bottom surface of the box body is provided with a plurality of spring guide posts; two opposite inner side surfaces of the box body are respectively provided with a limit column; two opposite side surfaces of the box body are respectively provided with a screw hole; an air outlet is also arranged on one side of the bottom surface of the box body; the inner box is arranged in the box body, and two opposite end surfaces of the inner box are respectively provided with a limiting groove; the bottom surface of the inner box is provided with a plurality of guide sleeves; a plurality of heat dissipation holes are arranged on one side surface of the inner box side by side; the box cover is fixed on the box body through the bolts, the inverter circuit is protected through the box body and the inner box double-layer structure, the electromagnetic shielding effect is improved, the guide pillar and guide sleeve structure is arranged between the box body and the inner box, the buffer cushion is filled, the shock absorption effect is greatly improved, the shock resistance of the inverter is improved, and the air outlet is formed in the bottom surface of the box body, so that dust is prevented from entering the inverter from the heat dissipation channel.
As can be seen from the above proposed device, although the above case has a better heat dissipation method than the photovoltaic inverter, the applicant believes that the following drawbacks still exist:
the existing inverter chassis is connected through bolts and nuts in the use process, the existing inverter chassis is inconvenient to detach when overhauling, and the existing inverter chassis is overhauled in the interior after the patch cord is manually detached before overhauling the inverter, so that the overhauling time is prolonged, the continuous use can not be completed in time, and the problems of low working efficiency and labor waste are caused.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a photovoltaic micro inverter case, which has the advantages that the case structure is simple, the tightness and the safety are not affected, an operator can conveniently disassemble and assemble the case when overhauling the inverter, the safety of connecting wires is not required to be manually disassembled, the problem that the existing inverter case is inconvenient to disassemble when overhauling the case because the connecting structure is connected through bolts and nuts when being used is solved, and the interior of the inverter case is overhauled after the patch cord is manually disassembled before overhauling the inverter is solved, so that the overhauling time is prolonged, the continuous use is not completed when overhauling, and the problems of low working efficiency and manpower waste are caused.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a photovoltaic micro inverter machine case, includes quick-witted case, lid subassembly that opens and shuts, outage maintenance mechanism, fixed clamping assembly, machine case one side is provided with the terminal box, machine case both sides surface is provided with the lid subassembly that opens and shuts, lid subassembly fixedly connected with case lid that opens and shuts, the lid subassembly that opens and shuts includes the cylinder, cylinder fixed mounting is in quick-witted case surface, the cylinder passes through output shaft fixedly connected with ejector pin, ejector pin surface fixedly connected with pinion rack, the pinion rack both sides all are equipped with the latch, drive gear is installed through surface latch meshing to the pinion rack top, drive gear internal surface fixed mounting has first gag lever post, first gag lever post fixed mounting is in quick-witted case surface, outage maintenance mechanism includes the driving gear, the driving gear is installed in the pinion rack below through surface latch meshing, the fixed transmission shaft that is equipped with of driving gear internal surface, transmission shaft movable mounting is in quick-witted case surface.
Preferably, a rotary rod is fixedly arranged on the inner side surface of the driving gear, a first connecting rod is movably arranged on the inner surface of the other end of the rotary rod, and the first connecting rod is mounted on the outer side surface of the box cover.
Preferably, the outer surface fixed mounting has the second connecting rod of two different co-altitude in the middle of the quick-witted case, the top the second connecting rod is the quarter butt, two equal movable mounting of second connecting rod upper end surface has the limiting plate, two equal movable mounting of limiting plate other end internal surface has the third connecting rod, the top third connecting rod movable mounting is in third connecting rod base internal surface, third connecting rod base fixed mounting is in case lid upper surface, the below third connecting rod fixed mounting is in the case lid side.
Preferably, the driving bevel gear is fixedly arranged on the outer surface of the left end of the transmission shaft, the linkage bevel gear is meshed with the driving bevel gear through the surface latch, the rotating shaft is fixedly arranged on the outer surface of the linkage bevel gear, the rotating shaft is movably arranged on the inner surface of the rotating shaft base, and the rotating shaft base is fixedly arranged on the outer surface of the chassis.
Preferably, the driving sprocket is fixedly installed in the middle of the outer surface of the rotating shaft, the driving sprocket is connected with the driven sprocket through first chain transmission, two notches are formed in two sides of the junction box and provide moving conditions for the first chain, the second limiting rod is fixedly installed on the inner surface of the driven sprocket, and the second limiting rod is movably installed on the inner surface of the junction box.
Preferably, the linkage sprocket is fixedly installed on the outer surface of the front end of the second limiting rod, the linkage sprocket is connected to the annular toothed plate through second chain transmission, the annular toothed plate is arranged on the outer surface of the interface casing, the interface casing is movably installed on the inner surface of the junction box, a plurality of interface casings are arranged on the inner surface of the junction box, two annular toothed plates are arranged on the outer surface of the interface casing on two sides, and only one annular toothed plate is arranged on the outer surface of the interface casing in the middle.
Preferably, the other annular toothed plate of the interface casing at two sides is connected with each interface casing through a third chain in a transmission manner, a threaded fixing head is arranged on the outer surface of the outer end of each interface casing, a plurality of connectors are arranged inside the interface casing, and the connectors are fixedly arranged on the inner surface of the junction box.
Preferably, the fixed clamping assembly comprises a fixed clamping plate, the fixed clamping plate is fixedly arranged on the lower surface of the case, two sliding grooves are fixedly arranged on the other side of the lower surface of the case, two tension springs are arranged on the inner surface of each sliding groove, the other end of each tension spring is fixedly connected with a sliding block, the sliding blocks are movably arranged on the inner surface of each sliding groove, and clamping blocks are fixedly arranged on the outer surfaces of the sliding blocks.
(III) beneficial effects
Compared with the prior art, the invention provides the photovoltaic micro-inverter case, which has the following beneficial effects:
1. this photovoltaic micro inverter machine case is through the assembly between lid subassembly and the outage maintenance mechanism that opens the cylinder when micro inverter is fixed in the support surface to reached, the cylinder drives the ejector pin and pushes away forward, the pinion rack drives the drive gear through the surface latch and rotates, the drive gear drives the case lid through its fixed surface mounting's rotary rod and rotates the removal, when the case lid removes, move spacing and the effect of support to it through two limiting plates when the case lid moves, two limiting plates set up to one high one low avoid collision when rotatory, make things convenient for operating personnel to overhaul inner structure after the case lid is opened, and can detect whether the pilot lamp that each connector corresponds is the open state when not inserting the connecting wire, open the cylinder again and drive the ejector pin and retrieve after confirming, cover the case lid in case upper surface, case lid internal surface and case laminating department are provided with the sealing strip and ensure the leakproofness of case lid and case and the wholeness when covering, prevent the entering of rainwater dust and simple structure strengthens the thermal diffusivity, the case is made into aluminum alloy material through high strength, stand wear-resistant, make the aluminum alloy material is also very good, make the whole thermal conductivity can be enough to normally heat dissipation structure more can use normally to practice heat dissipation cost more.
2. The photovoltaic micro inverter case is matched with the power-off overhauling mechanism through the cover opening and closing assembly, so that when an operator overhauls the photovoltaic micro inverter case, only the cylinder is required to drive the ejector rod to eject again, the driving gear drives the case cover to open and simultaneously drives the driving gear to rotate through the toothed plate, the driving bevel gear is driven to drive the linkage bevel gear to rotate through the surface latch when the driving gear rotates, the rotating shaft simultaneously drives the driving sprocket on the outer surface of the rotating shaft to synchronously rotate through the rotation of the linkage bevel gear, the driven sprocket simultaneously drives the driven sprocket to rotate through the first chain, the driven sprocket drives the linkage sprocket to rotate through the second limiting rod, the linkage sprocket and the annular toothed plate are connected through the second chain, so that the effect of rotating the interface shells on two sides is achieved, the interfaces on two sides are all connected together through the third chain, and the interface shells rotate together, the connecting line is connected with the photovoltaic micro-inverter by the adapter sleeve shell and the screw thread fixing head, the cover is not required to be opened by manual operation and the connection of the connecting line is disconnected to stop the work of the inverter when the operator overhauls the inside of the photovoltaic micro-inverter, the labor is saved, meanwhile, the safety is provided for protecting the staff by preventing the aging of the connecting line, the connecting line can be automatically connected and the box cover is closed to continue to work only by driving the cylinder to push out the ejector rod after the completion of overhauling the inside of the deformer by the disconnection, the micro inverter case only needs to manually connect the connecting wire into the threaded fixing head when the micro inverter case is used for the first time or replaced by other gas, and then the connection and disconnection of the connecting wire can be controlled by controlling the expansion and contraction of the ejector rod when the micro inverter case is overhauled.
Drawings
FIG. 1 is a schematic diagram of the overall front view of the present invention;
FIG. 2 is a schematic diagram of the overall bottom view structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the junction box of the present invention;
FIG. 4 is a schematic view of the cover opening and closing assembly of the present invention;
FIG. 5 is a schematic diagram of the power outage overhaul mechanism of the present invention;
fig. 6 is a schematic structural view of a fixing and clamping assembly according to the present invention.
The reference numerals in the figures are:
1. a chassis; 11. a junction box; 12. a case cover;
2. a cover opening and closing assembly; 21. a cylinder; 22. a push rod; 23. a toothed plate; 24. a first stop lever; 25. a drive gear; 26. a rotating rod; 27. a first connecting rod; 28. a second connecting rod; 29. a limiting plate; 210. a third connecting rod; 211. a third connecting rod base;
3. a power-off overhauling mechanism; 31. a drive gear; 32. a transmission shaft; 33. a driving bevel gear; 34. a linkage bevel gear; 35. a rotating shaft; 36. a rotating shaft base; 37. a drive sprocket; 38. a first chain; 39. a driven sprocket; 310. a second limit rod; 311. a linked sprocket; 312. a second chain; 313. an interface casing; 314. an annular toothed plate; 315. a third chain; 316. a threaded fixing head; 317. a connector;
4. a fixed clamping assembly; 41. a fixed clamping plate; 42. a chute; 43. a tension spring; 44. a slide block; 45. and clamping blocks.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one of the invention
Referring to fig. 1-, a photovoltaic micro inverter case comprises a case 1, a cover opening and closing assembly 2, a power-off overhauling mechanism 3 and a fixed clamping assembly 4, wherein one side of the case 1 is provided with a junction box 11, the outer surfaces of two sides of the case 1 are provided with the cover opening and closing assembly 2, the cover opening and closing assembly 2 is fixedly connected with a case cover 12, the fixed clamping assembly 4 comprises a fixed clamping plate 41, the fixed clamping plate 41 is fixedly arranged on the lower surface of the case 1, the other side of the lower surface of the case 1 is fixedly provided with two sliding grooves 42, the inner surface of the sliding grooves 42 is provided with two tension springs 43, the other end of the tension springs 43 is fixedly connected with a sliding block 44, the sliding block 44 is movably arranged on the inner surface of the sliding grooves 42, the outer surface of the sliding block 44 is fixedly provided with a clamping block 45, the cover opening and closing assembly 2 comprises a cylinder 21, the cylinder 21 is fixedly arranged on the outer surface of the case 1, the cylinder 21 is fixedly connected with a push rod 22 through an output shaft, the outer surface of the ejector rod 22 is fixedly connected with a toothed plate 23, two sides of the toothed plate 23 are respectively provided with a latch, a driving gear 25 is arranged above the toothed plate 23 through surface latch meshing, a first limiting rod 24 is fixedly arranged on the inner surface of the driving gear 25, the first limiting rod 24 is fixedly arranged on the outer surface of the case 1, a rotating rod 26 is fixedly arranged on the inner surface of the driving gear 25, a first connecting rod 27 is movably arranged on the inner surface of the other end of the rotating rod 26, the first connecting rod 27 is fixedly arranged on the outer surface of the case cover 12, two second connecting rods 28 with different heights are fixedly arranged on the outer surface of the middle of the case 1, the upper second connecting rods 28 are short rods, limiting plates 29 are movably arranged on the outer surfaces of the upper ends of the two second connecting rods 28, a third connecting rod 210 is movably arranged on the inner surface of the other end of the two limiting plates 29, the upper third connecting rod 210 is movably arranged on the inner surface of a third connecting rod base 211, the third connecting rod base 211 is fixedly mounted on the upper surface of the case cover 12, and the lower third connecting rod 210 is fixedly mounted on the side surface of the case cover 12.
Embodiment one of the invention
Referring to fig. 1-, the power outage overhauling mechanism 3 comprises a driving gear 31, the driving gear 31 is arranged below a toothed plate 23 through surface latch meshing, a transmission shaft 32 is fixedly arranged on the inner surface of the driving gear 31, the transmission shaft 32 is movably arranged on the outer surface of a case 1, a driving bevel gear 33 is fixedly arranged on the outer surface of the left end of the transmission shaft 32, a linkage bevel gear 34 is fixedly arranged on the outer surface of the driving bevel gear 33 through surface latch meshing, a rotating shaft 35 is fixedly arranged on the outer surface of the linkage bevel gear 34, the rotating shaft 35 is movably arranged on the inner surface of a rotating shaft base 36, the rotating shaft base 36 is fixedly arranged on the outer surface of the case 1, a driving sprocket 37 is fixedly arranged in the middle of the outer surface of the rotating shaft 35, the driving sprocket 37 is in transmission connection with a driven sprocket 39 through a first chain 38, two notches are formed on two sides of a junction box 11 to provide moving conditions for the first chain 38, a second limiting rod 310 is fixedly arranged on the inner surface of the driven sprocket 39, the second limiting rod 310 is movably mounted on the inner surface of the junction box 11, the linkage chain wheel 311 is fixedly mounted on the outer surface of the front end of the second limiting rod 310, the linkage chain wheel 311 is connected with the annular toothed plate 314 through a second chain 312 in a transmission way, the annular toothed plate 314 is arranged on the outer surface of the interface casing 313, the interface casing 313 is movably mounted on the inner surface of the junction box 11, a plurality of interface casings 313 are arranged on the inner surface of the junction box 11, two annular toothed plates 314 are arranged on the outer surfaces of the two side interface casings 313, only one annular toothed plate 314 is arranged on the outer surfaces of the middle plurality of interface casings 313, the other annular toothed plate 314 of the two side interface casings 313 is in transmission connection with each interface casing 313 through a third chain 315 in a transmission way, the outer surface of the outer end of the interface casing 313 is provided with a thread fixing head 316, connectors 317 are arranged inside the plurality of interface casings 313, the connector 317 is fixedly mounted to the inner surface of the junction box 11.
The complete steps and working principles of the first to fourth embodiments are as follows:
firstly, a worker firstly takes the micro-inverter to a mounting bracket, clamps the mounting bracket on the clamping block 45 on the lower surface of the case 1 and pulls the mounting bracket backwards, moves in the sliding groove 42 through the sliding block 44 when the clamping block 45 pulls backwards through the elasticity of the tension spring 43, releases the tension when the fixed clamping plate 41 can be attached to the bracket, at the moment, provides supporting force for the sliding block 44 through the elasticity of the tension spring 43 to enable the clamping block 45 and the fixed clamping plate 41 to clamp the micro-inverter on the surface of the bracket, when the micro-inverter is fixed on the surface of the bracket, the cylinder 21 is started, the cylinder 21 drives the ejector rod 22 to eject forwards, the toothed plate 23 drives the driving gear 25 to rotate through the surface clamping teeth, the driving gear 25 drives the case cover 12 to rotate through a rotating rod fixedly arranged on the outer surface of the driving gear 25 when rotating, when the case cover 12 moves and simultaneously moves, the two limiting plates 29 perform the functions of moving limiting and supporting, the two limiting plates 29 are arranged to be high and low, collision is avoided when the case cover 12 rotates, an operator can conveniently overhaul the internal structure after opening the case cover 12, the indicator lamps corresponding to the connectors 317 can be detected to be in an opening state when connecting wires are not connected, the cylinder 21 is started again after confirming that the indicator lamps are not wrong to drive the ejector rods to recover, the case cover 12 is tightly covered on the upper surface of the case 1, sealing strips are arranged at the joint of the inner surface of the case cover 12 and the case 1 to ensure the sealing performance of the case cover 12 and the case and the integrity when the case is tightly covered, rainwater and dust are prevented from entering, finally the connecting wires are inserted into the interface sleeve shell 313, and the connecting wires are rotated to enable the adapter sleeve shells to be completely meshed into the threaded fixing heads 316 through threads, so that the adapters of the connecting wires are firmly connected with the connectors 317.
Secondly, when the photovoltaic micro inverter is damaged and fails, a worker overhauls the photovoltaic micro inverter, only needs to push out the ejector rod 22 by driving the air cylinder 21 again, the driving gear 25 drives the box cover 12 to be opened and simultaneously drives the driving gear 31 to rotate through the toothed plate 23, the driving gear 31 drives the driving bevel gear 33 to drive the linkage bevel gear 34 to rotate through the surface latch when rotating, the rotating shaft 35 drives the driving sprocket 37 on the outer surface of the driving bevel gear 34 to synchronously rotate through the rotation of the linkage bevel gear 34 and simultaneously drives the driven sprocket 39 to rotate through the first chain 28, the driven sprocket 39 drives the linkage sprocket 311 to rotate through the second limiting rod 310, the linkage sprocket 311 is connected with the annular toothed plate 314 through the second chain 312, the effect of rotating the interface casings 313 on two sides is achieved, the interface casings 313 on two sides are all connected together through the third chain 315 in a transmission mode, and the interfaces 313 are rotated together, the sleeve is limited by the friction force of the adapter of the connecting wire and the connector 317, so that the adapter sleeve shell of the connecting wire moves outwards when the interface sleeve 313 rotates, the adapter-falling connector 317 automatically breaks the connecting wire and connects the photovoltaic micro-inverter, but the adapter sleeve shell and the screw-thread fixing head 316 are also slightly connected, an operator does not need to manually open a cover and break the connection of the connecting wire to stop the work of the inverter when carrying out maintenance fault treatment on the interior of the photovoltaic micro-inverter, time and labor are saved, and meanwhile, the operator is protected to provide safety, after the maintenance of the interior of the deformer is completed by breaking the connection, the connecting wire can be automatically connected and the box cover is closed to continue to work by only driving the cylinder 21 to push the ejector rod 22, the micro inverter case only needs to manually connect the connecting wire into the threaded fixing head when the micro inverter case is used for the first time or replaced by other gas, and then the connection and disconnection of the connecting wire can be controlled by controlling the expansion and contraction of the ejector rod when the micro inverter case is overhauled.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention 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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a photovoltaic micro inverter machine case, includes quick-witted case (1), lid subassembly (2) that opens and shuts, outage maintenance mechanism (3), fixed clamping assembly (4), its characterized in that: a junction box (11) is arranged on one side of the case (1), an organic cover opening and closing assembly (2) is arranged on the outer surfaces of two sides of the case (1), and the organic cover opening and closing assembly (2) is fixedly connected with a case cover (12);
the cover opening and closing assembly (2) comprises an air cylinder (21), the air cylinder (21) is fixedly arranged on the outer surface of the chassis (1), the air cylinder (21) is fixedly connected with a push rod (22) through an output shaft, the outer surface of the push rod (22) is fixedly connected with a toothed plate (23), two sides of the toothed plate (23) are respectively provided with a latch, a driving gear (25) is arranged above the toothed plate (23) through surface latch meshing, a first limiting rod (24) is fixedly arranged on the inner surface of the driving gear (25), and the first limiting rod (24) is fixedly arranged on the outer surface of the chassis (1);
the power-off overhauling mechanism (3) comprises a driving gear (31), the driving gear (31) is installed below the toothed plate (23) in a meshed mode through surface clamping teeth, a transmission shaft (32) is installed on the inner surface of the driving gear (31) in a fixed mode, and the transmission shaft (32) is movably installed on the outer surface of the chassis (1).
2. The photovoltaic micro-inverter chassis of claim 1, wherein: the inner side surface of the driving gear (25) is fixedly provided with a rotating rod (26), the inner surface of the other end of the rotating rod (26) is movably provided with a first connecting rod (27), and the first connecting rod (27) is mounted on the outer side surface of the box cover (12).
3. The photovoltaic micro-inverter chassis of claim 2, wherein: the novel box is characterized in that two second connecting rods (28) with different heights are fixedly arranged on the outer surface of the middle of the box (1), the second connecting rods (28) are short rods, limiting plates (29) are movably arranged on the outer surfaces of the upper ends of the second connecting rods (28), third connecting rods (210) are movably arranged on the inner surfaces of the other ends of the limiting plates (29), the third connecting rods (210) are movably arranged on the inner surfaces of third connecting rod bases (211), the third connecting rod bases (211) are fixedly arranged on the upper surfaces of box covers (12), and the third connecting rods (210) are fixedly arranged on the side surfaces of the box covers (12).
4. The photovoltaic micro-inverter chassis of claim 1, wherein: the driving bevel gear (33) is fixedly arranged on the outer surface of the left end of the transmission shaft (32), the driving bevel gear (33) is meshed with the linkage bevel gear (34) through surface latches, a rotating shaft (35) is fixedly arranged on the outer surface of the linkage bevel gear (34), the rotating shaft (35) is movably arranged on the inner surface of the rotating shaft base (36), and the rotating shaft base (36) is fixedly arranged on the outer surface of the chassis (1).
5. The photovoltaic micro-inverter case according to claim 4, wherein: the novel electric motor is characterized in that a driving sprocket (37) is fixedly arranged in the middle of the outer surface of the rotating shaft (35), the driving sprocket (37) is connected with a driven sprocket (39) through a first chain (38) in a transmission mode, two notches are formed in two sides of the junction box (11) and provide moving conditions for the first chain (38), a second limiting rod (310) is fixedly arranged on the inner surface of the driven sprocket (39), and the second limiting rod (310) is movably arranged on the inner surface of the junction box (11).
6. The photovoltaic micro-inverter case according to claim 5, wherein: the utility model discloses a connecting device for the electric motor is characterized by comprising a first limiting rod (310), a second limiting rod (310), a connecting rack and a connecting box (11), wherein a linkage sprocket (311) is fixedly arranged on the outer surface of the front end of the second limiting rod, the linkage sprocket (311) is connected to an annular toothed plate (314) through a second chain (312) in a transmission mode, the annular toothed plate (314) is arranged on the outer surface of the connecting box (313), the connecting box (313) is movably arranged on the inner surface of the connecting box (11), a plurality of connecting boxes (313) are arranged on the inner surface of the connecting box (11), two annular toothed plates (314) are arranged on the outer surface of the connecting boxes (313), and a plurality of annular toothed plates (314) are arranged on the outer surface of the connecting boxes (313).
7. The photovoltaic micro-inverter case according to claim 6, wherein: the other annular toothed plate (314) of the two side interface casings (313) is in transmission connection and is in transmission connection with each interface casing (313) through a third chain (315), a threaded fixing head (316) is arranged on the outer surface of the outer end of each interface casing (313), a plurality of connectors (317) are arranged inside the interface casing (313), and the connectors (317) are fixedly arranged on the inner surface of the junction box (11).
8. The photovoltaic micro-inverter chassis of claim 1, wherein: the fixed clamping assembly (4) comprises a fixed clamping plate (41), the fixed clamping plate (41) is fixedly arranged on the lower surface of the machine case (1), two sliding grooves (42) are fixedly arranged on the other side of the lower surface of the machine case (1), two tension springs (43) are arranged on the inner surface of each sliding groove (42), a sliding block (44) is fixedly connected with the other end of each tension spring (43), the sliding blocks (44) are movably arranged on the inner surface of each sliding groove (42), and clamping blocks (45) are fixedly arranged on the outer surface of each sliding block (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311371611.2A CN117279276A (en) | 2023-10-23 | 2023-10-23 | Photovoltaic micro inverter case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311371611.2A CN117279276A (en) | 2023-10-23 | 2023-10-23 | Photovoltaic micro inverter case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117279276A true CN117279276A (en) | 2023-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311371611.2A Pending CN117279276A (en) | 2023-10-23 | 2023-10-23 | Photovoltaic micro inverter case |
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| Country | Link |
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| CN (1) | CN117279276A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208571942U (en) * | 2018-07-16 | 2019-03-01 | 安曼(苏州)新能源科技有限公司 | A kind of good photovoltaic DC-to-AC converter of thermal diffusivity |
| US20200076363A1 (en) * | 2018-09-04 | 2020-03-05 | Sungrow Power Supply Co., Ltd. | Photovoltaic inverter |
| CN213783151U (en) * | 2020-12-25 | 2021-07-23 | 四川绿能芯动科技有限公司 | Photovoltaic inverter convenient to adjust |
| US20230231488A1 (en) * | 2020-09-21 | 2023-07-20 | Huawei Digital Power Technologies Co., Ltd. | Inverter, photovoltaic power generation system, and dehumidification method |
-
2023
- 2023-10-23 CN CN202311371611.2A patent/CN117279276A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208571942U (en) * | 2018-07-16 | 2019-03-01 | 安曼(苏州)新能源科技有限公司 | A kind of good photovoltaic DC-to-AC converter of thermal diffusivity |
| US20200076363A1 (en) * | 2018-09-04 | 2020-03-05 | Sungrow Power Supply Co., Ltd. | Photovoltaic inverter |
| US20230231488A1 (en) * | 2020-09-21 | 2023-07-20 | Huawei Digital Power Technologies Co., Ltd. | Inverter, photovoltaic power generation system, and dehumidification method |
| CN213783151U (en) * | 2020-12-25 | 2021-07-23 | 四川绿能芯动科技有限公司 | Photovoltaic inverter convenient to adjust |
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