CN217508608U

CN217508608U - Photovoltaic grid-connected inverter convenient to overhaul

Info

Publication number: CN217508608U
Application number: CN202221344229.3U
Authority: CN
Inventors: 刘晋达; 李木; 朱国兴
Original assignee: Dalian Detai Port Energy Investment Smart Energy Co ltd
Current assignee: Dalian Detai Port Energy Investment Smart Energy Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-09-27
Anticipated expiration: 2032-05-31

Abstract

The utility model relates to the technical field of inverters, in particular to a photovoltaic grid-connected inverter convenient for maintenance, which comprises an outer shell, wherein the bottom of the front surface of the outer shell is provided with dustproof heat dissipation holes, the utility model can shield the outer shell of the inverter through a larger vertical plane area when raining, effectively reduce rainwater on the outer shell of the inverter, shade sunlight, and collect a certain amount of rainwater simultaneously, can absorb heat by utilizing a larger specific heat capacity when sunlight is directly irradiated in summer, reduce the time of the high temperature state in the inverter, prolong the service life, and in addition, through the arranged disassembly and maintenance component, the maintenance board can be rapidly assembled and disassembled through a clamping structure and a semicircular rotating block, so that maintenance personnel can conveniently replace and maintain internal parts, increase the maintenance efficiency, and is also provided with a sealing leather pad elastically connected with a spring, can keep the leakproofness after reinstallating, avoid the dust to get into.

Description

Photovoltaic grid-connected inverter convenient to overhaul

Technical Field

The utility model relates to an inverter technical field specifically is a photovoltaic grid-connected inverter who conveniently overhauls.

Background

The grid-connected inverter can convert direct current into alternating current, and the alternating current output by the grid-connected inverter can be synchronous with the frequency and the phase of commercial power, and is commonly used in the solar panel power generation technology.

When the existing grid-connected inverter is used, parts inside the inverter need to be replaced and maintained according to the specified time, the existing inverter shell is mostly fixed in a threaded and welding mode, tools such as a screwdriver need to be carried, the maintenance plate needs to be slowly disassembled, the efficiency is low, meanwhile, the existing grid-connected inverter is installed outdoors, rainwater and sunlight high-temperature irradiation easily enable the inverter to be too fast in aging, the service life is influenced, and therefore the photovoltaic grid-connected inverter which is convenient to maintain is needed to improve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a photovoltaic grid-connected inverter who conveniently overhauls, with the current grid-connected inverter who proposes in solving above-mentioned background art when using, need change the maintenance to the inside spare part of dc-to-ac converter according to the regulation time, current inverter shell adopts screw thread and welding mode fixed mostly, need carry instruments such as screwdrivers and slowly dismantle the access panel, efficiency is lower, current grid-connected inverter installs outdoors simultaneously, rainwater and sunshine high temperature shine and make the inverter ageing too fast easily, influence life's problem.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a convenient photovoltaic grid-connected inverter who overhauls, includes the shell body, dustproof louvre has been seted up to the bottom of shell body front surface, middle part fixed mounting in the shell body front surface has control switch, control switch's upper end is provided with the dust guard of fixed mounting on the shell body front surface, the equal fixed mounting in rear end of surface has the installation piece about the shell body, the access panel is installed to the middle part block of shell body right side surface, the shell body is provided with the dismantlement with the junction of access panel and overhauls the subassembly, the top of shell body is provided with protective assembly.

Preferably, dismantle and overhaul the subassembly and include the manhole, the middle part at shell body right side surface is seted up to the manhole, the outside on the right side surface of manhole is provided with the bar extending groove of seting up on the shell body, the card hole has been seted up to the centre of bar extending groove inner wall bottom, be provided with in the middle of the top of bar extending groove and rotate the semicircle rotation piece of installing on the shell body right side surface.

Preferably, the left fixed surface of access panel installs the rust-resistant spring of equidistance symmetric distribution, the other end fixed mounting of rust-resistant spring has the touch panel, through rust-resistant spring elastic connection between touch panel and the access panel.

Preferably, a sealing leather gasket is fixedly arranged on the left surface of the abutting plate.

Preferably, the top on access panel right side surface has seted up the attacker, the middle part left side fixed mounting of access panel lower surface has the fixture block, fixture block and card hole clearance fit.

Preferably, the protection component comprises a protection plate, the protection plate is fixedly installed at the top of the outer shell, and the horizontal plane area of the vertical direction of the protection plate is larger than that of the vertical direction of the outer shell.

Preferably, the retaining recess has been seted up at the middle part of guard plate upper surface, the outside fixed mounting of guard plate upper surface has the filter plate, fixed mounting has the leading water pipe in the middle of the top of guard plate left surface, the leading water pipe communicates with the inner wall of retaining recess.

Preferably, the outer side of the lower surface of the protection plate is fixedly provided with water diversion blocks distributed at equal intervals.

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

1. the utility model discloses in, through the protection component who sets up, can shelter from the inverter housing through the planar area of great vertical direction when raining, effectively reduce the rainwater on the inverter housing to can the sunshade, can collect a certain amount of rainwater simultaneously, can utilize great specific heat capacity absorption heat when sunshine penetrates directly in summer, reduce the inside time that is in the high temperature state of inverter, increase life.

2. The utility model discloses in, through the dismantlement maintenance subassembly that sets up, through block structure and the rotatory piece of semicircle can be quick install the dismantlement to the access panel, the maintainer of being convenient for changes and maintains inside spare part, increases maintenance efficiency, is provided with simultaneously with spring elastic connection's sealed leather packing, can keep the leakproofness after reinstallating, avoids the dust to get into.

Drawings

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

FIG. 2 is a schematic view of the disassembled structure of the access panel of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;

fig. 4 is a schematic structural diagram of the protection plate of the present invention.

In the figure: 1. an outer housing; 2. a control switch; 3. a dust-proof plate; 4. a dustproof heat dissipation hole; 5. an access panel; 6. disassembling the maintenance assembly; 7. a guard assembly; 8. mounting blocks; 61. an access hole; 62. a strip-shaped extension groove; 63. a clamping hole; 64. buckling a handle; 65. a semicircular rotating block; 66. an antirust spring; 67. a touch plate; 68. sealing the leather pad; 69. a clamping block; 71. a protection plate; 72. a water storage groove; 73. filtering the plate; 74. a water conduit; 75. a water diversion block.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the utility model provides a photovoltaic grid-connected inverter technical scheme who conveniently overhauls:

the utility model provides a convenient photovoltaic grid-connected inverter who overhauls, including shell body 1, dustproof louvre 4 has been seted up to the bottom of 1 front surface of shell body, middle part fixed mounting in the 1 front surface of shell body has control switch 2, control switch 2's upper end is provided with dust guard 3 of fixed mounting on 1 front surface of shell body, the equal fixed mounting in rear end of surface has installation piece 8 about shell body 1, access panel 5 is installed to the middle part block on 1 right side surface of shell body, shell body 1 is provided with access panel 5's junction and dismantles maintenance subassembly 6, the top of shell body 1 is provided with protection component 7.

In this embodiment, referring to fig. 1, fig. 2 and fig. 3, the disassembling and overhauling assembly 6 comprises an overhauling hole 61, the overhauling hole 61 is opened in the middle of the right surface of the outer casing 1, a bar-shaped extending groove 62 opened on the outer casing 1 is arranged on the outer side of the right surface of the overhauling hole 61, a clamping hole 63 is opened in the middle of the bottom of the inner wall of the bar-shaped extending groove 62, a semicircular rotating block 65 rotatably installed on the right surface of the outer casing 1 is arranged in the middle of the top of the bar-shaped extending groove 62, antirust springs 66 symmetrically distributed at equal intervals are fixedly installed on the left surface of the overhauling plate 5, a touch plate 67 is fixedly installed at the other end of the antirust spring 66, the touch plate 67 is elastically connected with the overhauling plate 5 through the antirust spring 66, a sealing leather gasket 68 is fixedly installed on the left surface of the touch plate 67, a buckle 64 is opened on the top of the right surface of the overhauling plate 5, a clamping block 69 is fixedly installed on the left side of the middle of the lower surface of the overhauling plate 5, the fixture block 69 is in clearance fit with the clamping hole 63, when internal parts need to be overhauled and replaced, the semicircular rotating block 65 in the middle of the top of the overhauling hole 61 is rotated firstly, one end of the section of the semicircular rotating block 65 is aligned with the horizontal line, then the overhauling plate 5 is lifted upwards in an inclined mode through the handle 64 until the fixture block 69 on the lower surface of the overhauling plate 5 is withdrawn from the clamping hole 63, after the internal parts are overhauled and replaced, the overhauling plate 5 is lifted again and kept in an inclined state when being taken out, the fixture block 69 on the lower surface of the overhauling plate 5 is slowly pushed into the clamping hole 63, the upper half part of the overhauling plate 5 is pushed, so that the overhauling plate 5 is in a vertical state, when the rust-proof spring 66 on the left surface of the overhauling plate 5 is pushed, meanwhile, the acting force of self-recovery deformation is reversely acted on the contact plate 67 and the sealing leather pad 68, so that the sealing leather pad 68 is tightly attached to the inner wall of the strip-shaped extending groove 62, form seal structure, the rotatory piece 65 of reverse rotation semicircle afterwards for the semicircle part is in the bottom and forms spacingly to access panel 5, fixed completion this moment, can be quick through block structure and the rotatory piece 65 of semicircle install the dismantlement to access panel 5, the maintainer of being convenient for changes and maintains inside spare part, increase maintenance efficiency, be provided with simultaneously with rust-resistant spring 66 elastic connection's sealed leather packing 68, can keep the leakproofness after the reinstallation, avoid the dust to get into.

In this embodiment, referring to fig. 1 and 4, the protection assembly 7 includes a protection plate 71, the protection plate 71 is fixedly installed on the top of the outer casing 1, the horizontal plane area of the protection plate 71 in the vertical direction is larger than the horizontal plane area of the outer casing 1 in the vertical direction, a water storage groove 72 is formed in the middle of the upper surface of the protection plate 71, a filter plate 73 is fixedly installed on the outer side of the upper surface of the protection plate 71, a water conduit 74 is fixedly installed in the middle of the top of the left surface of the protection plate 71, the water conduit 74 is communicated with the inner wall of the water storage groove 72, water guide blocks 75 are fixedly installed on the outer side of the lower surface of the protection plate 71 and are distributed at equal intervals, when in a rain weather, a certain amount of specific heat is accumulated in the water storage groove 72 on the protection plate 71, and the excessive rain flows to the ground through the water conduit 74, and the protection plate 71 reduces the rain falling on the inverter casing, when the sun shines directly in summer, the rain in the water storage groove 72 absorbs heat with a larger capacity, effectively postpone the time that the inside temperature of inverter rises, increase life.

The utility model discloses the theory of operation: when the internal parts need to be overhauled and replaced, firstly, the semicircular rotating block 65 in the middle of the top of the access hole 61 is rotated, so that one end of the section of the semicircular rotating block 65 is flush with the horizontal line, then the access panel 5 is lifted upwards in an inclined manner through the handle 64 until the fixture block 69 on the lower surface of the access panel 5 is withdrawn from the clamping hole 63, after the internal parts are overhauled and replaced, the access panel 5 is lifted again and kept in an inclined state when being taken out, the fixture block 69 on the lower surface of the access panel 5 is slowly pushed into the clamping hole 63, the upper half part of the access panel 5 is pushed, so that the access panel 5 is in a vertical state, when the access panel is pushed, the antirust spring 66 on the left surface of the access panel 5 is compressed, meanwhile, the acting force for self-recovering deformation is reversely acted on the contact plate 67 and the sealing leather pad 68, so that the sealing leather pad 68 is tightly jointed with the inner wall of the strip-shaped extending groove 62, a sealing structure is formed, and then the semicircular rotating block 65 is reversely, the semicircular part is positioned at the bottom to limit the formation of the maintenance plate 5, the fixation is completed at the moment, in rainy weather, a certain amount of rainwater is hoarded in the water storage groove 72 on the protection plate 71, redundant rainwater flows to the ground through the water conduit 74, meanwhile, the protection plate 71 reduces rainwater scattered on the shell of the inverter, and when sunlight is directly irradiated in summer, the rainwater in the water storage groove 72 absorbs heat by using a larger specific heat capacity, so that the time for the internal temperature of the inverter to rise is effectively delayed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a convenient photovoltaic grid-connected inverter who overhauls, includes shell body (1), its characterized in that: dustproof heat dissipation hole (4) have been seted up to the bottom of shell body (1) front surface, middle part fixed mounting in shell body (1) front surface has control switch (2), the upper end of control switch (2) is provided with dust guard (3) of fixed mounting on shell body (1) front surface, the equal fixed mounting in rear end of surface has installation piece (8) about shell body (1), access panel (5) are installed to the middle part block on shell body (1) right side surface, shell body (1) is provided with dismantlement maintenance subassembly (6) with the junction of access panel (5), the top of shell body (1) is provided with protection component (7).

2. The photovoltaic grid-connected inverter convenient to overhaul as claimed in claim 1, wherein: dismantle maintenance subassembly (6) including access hole (61), the middle part on shell body (1) right side surface is seted up in access hole (61), the outside on the right side surface of access hole (61) is provided with strip extending groove (62) of seting up on shell body (1), card hole (63) have been seted up to the centre of strip extending groove (62) inner wall bottom, be provided with in the middle of the top of strip extending groove (62) and rotate and install semicircle rotating block (65) on shell body (1) right side surface.

3. The photovoltaic grid-connected inverter convenient to overhaul as claimed in claim 1, wherein: the left fixed surface of access panel (5) installs rust-resistant spring (66) of equidistance symmetric distribution, the other end fixed mounting of rust-resistant spring (66) has touch panel (67), through rust-resistant spring (66) elastic connection between touch panel (67) and access panel (5).

4. The photovoltaic grid-connected inverter convenient to overhaul according to claim 3, characterized in that: and a sealing leather pad (68) is fixedly arranged on the left surface of the abutting plate (67).

5. The photovoltaic grid-connected inverter convenient to overhaul as claimed in claim 1, wherein: attacker (64) have been seted up at the top on access panel (5) right side surface, the middle part left side fixed mounting of access panel (5) lower surface has fixture block (69), fixture block (69) and card hole (63) clearance fit.

6. The photovoltaic grid-connected inverter convenient to overhaul as claimed in claim 1, wherein: the protection assembly (7) comprises a protection plate (71), the protection plate (71) is fixedly installed at the top of the outer shell (1), and the horizontal plane area of the vertical direction of the protection plate (71) is larger than that of the vertical direction of the outer shell (1).

7. The photovoltaic grid-connected inverter convenient to overhaul according to claim 6, characterized in that: retaining recess (72) have been seted up at the middle part of guard plate (71) upper surface, the outside fixed mounting of guard plate (71) upper surface has filter plate (73), fixed mounting has leading water pipe (74) in the middle of the top of guard plate (71) left surface, leading water pipe (74) and the inner wall intercommunication of retaining recess (72).

8. The photovoltaic grid-connected inverter convenient to overhaul according to claim 6, characterized in that: the outer side of the lower surface of the protection plate (71) is fixedly provided with water diversion blocks (75) distributed at equal intervals.