CN218733946U - Solar photovoltaic grid-connected and off-grid inverter PCS - Google Patents

Abstract

The utility model relates to a solar photovoltaic is and is from net dc-to-ac converter PCS, including two buckle subassemblies, two firm subassemblies, apron and dc-to-ac converter bodies, buckle subassembly sets up in the inside of apron, and firm subassembly sets up in the outside of dc-to-ac converter body, and the apron sets up the one side at the dc-to-ac converter body. The beneficial effects of the utility model reside in that, under the spring action of first spring, it removes to drive the wedge, thereby it goes into the inside in buckle groove to drive the fixture block card, realize the block of apron and dc-to-ac converter body, during the dismantlement, only need the reverse movement through the wedge, thereby can withdraw from the buckle groove with the fixture block, realize the separation of apron and dc-to-ac converter body, when inverter body internal component damaged, only need quick dismantlement, can maintain the inside component of dc-to-ac converter body, make dismantlement easy maintenance, work efficiency is higher, be favorable to practical application and operation.

Description

Solar photovoltaic grid-connected and off-grid inverter PCS

Technical Field

The utility model relates to an inverter technical field especially relates to solar photovoltaic and off-grid inverter PCS.

Background

The inverter is a converter which converts direct current electric energy into constant frequency, constant voltage or frequency and voltage regulation alternating current. The inverter consists of an inverter bridge, control logic and a filter circuit, the photovoltaic grid-connected and grid-disconnected inverter belongs to one type of inverter, the inverter is an indispensable part in an alternating current photovoltaic power generation system, and due to various technical or policy reasons, a short period of time is needed for connecting all independent photovoltaic alternating current power generation systems to a national unified power grid.

However, in the prior art, the existing photovoltaic grid-connected inverter is mostly of an integrated structure or directly connected through screws, when the internal elements of the inverter are damaged and need to be disassembled for maintenance and replacement, the disassembly is complex, the screws need to be completely screwed out through the screwdrivers, and the disassembly can be carried out, so that the disassembly and maintenance are inconvenient, the working efficiency is low, and the practical application and operation are not facilitated.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned problems in the prior art, a primary object of the present invention is to provide a solar photovoltaic and off-grid inverter PCS.

The technical scheme of the utility model is like this: the solar photovoltaic grid-connected and off-grid inverter PCS comprises two buckle assemblies, two stabilizing assemblies, a cover plate and an inverter body, wherein the buckle assemblies are arranged inside the cover plate, the stabilizing assemblies are arranged on the outer side of the inverter body, and the cover plate is arranged on one side of the inverter body; the buckle subassembly includes dead slot, first spring, wedge, fixture block and buckle groove, the dead slot has been seted up to the inside of apron, the inside sliding connection of dead slot has the wedge, the first spring of fixedly connected with between one side of wedge and one side of dead slot inner wall, one side fixedly connected with fixture block that first spring was kept away from to the wedge, the buckle groove has been seted up to one side of dc-to-ac converter body bottom, the fixture block extends to the inside in buckle groove.

As a preferred embodiment, buckle assembly is still including holding groove, second spring, limiting plate and T type pole, the inside of apron and the below that is located the dead slot have been seted up and have been held the groove, the inside sliding connection who holds the groove has the limiting plate, the bottom fixedly connected with T type pole of limiting plate, the top of T type pole extends to the inside of dead slot, the top of limiting plate and the outside fixedly connected with second spring of just overlapping the outside of establishing T type pole between the top of holding inslot wall, the bottom of T type pole extends to the bottom of apron.

As a preferred embodiment, firm subassembly includes T type post and T type groove, one side fixedly connected with T type post at apron top, T type groove has been seted up to one side at inverter body top, T type post and T type groove sliding connection.

As a preferred embodiment, the top and the bottom of the inverter body are both fixedly connected with a fixing plate, and two fixing holes are respectively formed in the fixing plate.

As a preferred embodiment, a heat dissipation fan is disposed at the bottom of the inverter body, a power jack is disposed at the bottom of the inverter body, and a wiring hole is disposed at the bottom of the inverter body.

In a preferred embodiment, the T-shaped rod and the wedge block are provided with mutually matching inclined surfaces.

Compared with the prior art, the utility model has the advantages and positive effects that,

the utility model discloses in, under the elastic force effect of first spring, it removes to drive the wedge, thereby it goes into the inside in buckle groove to drive the fixture block card, realize the block of apron and dc-to-ac converter body, during the dismantlement, only need the reverse movement through the wedge, thereby can withdraw from the buckle groove with the fixture block, realize the separation of apron and dc-to-ac converter body, when the inside component of dc-to-ac converter body damages, only need quick dismantlement, can maintain the inside component of dc-to-ac converter body, make dismantlement easy maintenance, work efficiency is higher, be favorable to practical application and operation.

Drawings

Fig. 1 is a perspective view provided by the present invention;

fig. 2 is a front sectional view provided by the present invention;

fig. 3 is a perspective view of the cover plate provided by the present invention;

fig. 4 is a perspective view of the inverter body case provided by the present invention;

fig. 5 is a plan view of the inverter body according to the present invention.

Illustration of the drawings: 1. a cover plate; 2. an inverter body; 3. an empty groove; 4. a first spring; 5. a wedge block; 6. a containing groove; 7. a second spring; 8. a limiting plate; 9. a T-shaped rod; 10. a clamping block; 11. a fastening groove; 12. a T-shaped column; 13. a T-shaped groove; 14. a fixing plate; 15. a fixing hole; 16. a heat dissipation fan; 17. a wiring hole; 18. and a power supply jack.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The invention will be further described with reference to the accompanying drawings and specific embodiments

Example 1

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the utility model provides a technical solution: the novel inverter comprises two buckle assemblies, two stabilizing assemblies, a cover plate 1 and an inverter body 2, wherein the buckle assemblies are arranged inside the cover plate 1, the stabilizing assemblies are arranged on the outer side of the inverter body 2, and the cover plate 1 is arranged on one side of the inverter body 2; the buckle subassembly includes dead slot 3, first spring 4, wedge 5, fixture block 10 and buckle groove 11, dead slot 3 has been seted up to apron 1's inside, the inside sliding connection of dead slot 3 has wedge 5, the first spring 4 of fixedly connected with between one side of wedge 5 and one side of dead slot 3 inner wall, one side fixedly connected with fixture block 10 of first spring 4 is kept away from to wedge 5, buckle groove 11 has been seted up to one side of 2 bottoms of dc-to-ac converter body, fixture block 10 extends to the inside in buckle groove 11.

In this embodiment, under the spring action of first spring 4, it removes to drive wedge 5, thereby drive the inside of fixture block 10 card income buckle groove 11, realize the block of apron 1 and dc-to-ac converter body 2, during the dismantlement, only need through the reverse movement of wedge 5, thereby can withdraw from buckle groove 11 with fixture block 10, realize the separation of apron 1 and dc-to-ac converter body 2, when 2 internal elements of dc-to-ac converter body damage, only need quick dismantlement, can maintain 2 internal elements of dc-to-ac converter body, make and dismantle easy maintenance, work efficiency is higher, be favorable to practical application and operation.

Example 2

As shown in fig. 1, 2, 3, 4 and 5, the buckle assembly further includes a containing groove 6, a second spring 7, a limiting plate 8 and a T-shaped rod 9, the containing groove 6 is formed in the cover plate 1 and located below the empty groove 3, the limiting plate 8 is connected to the inside of the containing groove 6 in a sliding manner, the top of the T-shaped rod 9,T is fixedly connected to the bottom of the limiting plate 8, the top of the T-shaped rod 5363 extends to the inside of the empty groove 3, the bottom of the second spring 7,T is fixedly connected to the outer side of the T-shaped rod 9 between the top of the limiting plate 8 and the top of the inner wall of the containing groove 6 and extends to the bottom of the cover plate 1, the limiting plate 8 is driven to move by pushing the T-shaped rod 9, and the second spring 7 is simultaneously extruded, so that the buckle assembly can be unlocked;

the stabilizing assembly comprises a T-shaped column 12 and a T-shaped groove 13, the T-shaped column 12 is fixedly connected to one side of the top of the cover plate 1, the T-shaped groove 13 is formed in one side of the top of the inverter body 2, the T-shaped column 12 is in sliding connection with the T-shaped groove 13, and the cover plate 1 and the inverter body 2 are clamped and then kept stable through the matching of the T-shaped column 12 and the T-shaped groove 13;

the top and the bottom of the inverter body 2 are both fixedly connected with a fixing plate 14, two fixing holes 15 are formed in the fixing plate 14, and the whole device can be fixed through the fixing holes 15;

a heat dissipation fan 16 is arranged at the bottom of the inverter body 2, a power supply jack 18 is arranged at the bottom of the inverter body 2, a wiring hole 17 is arranged at the bottom of the inverter body 2, and the heat dissipation fan 16 dissipates heat inside the inverter body 2;

t type pole 9 all is provided with the inclined plane of mutually supporting with wedge 5, and the setting up of inclined plane is convenient to promote wedge 5.

The working principle is as follows: can fix the integrated device earlier through fixed orifices 15, when the installation, press T type pole 9 earlier, slide T type post 12 in T type groove 13, under the spring action of first spring 4 and second spring 7, make fixture block 10 card go into the inside in buckle groove 11, make the integrated device remain stable, it can come into operation to work a telephone switchboard through wiring hole 17 wiring, when 2 internal components of inverter body damage, through promoting T type pole 9, drive limiting plate 8 and remove, promote wedge 5 simultaneously, thereby can withdraw from fixture block 10 in buckle groove 11, can maintain the inside component of inverter body 2.

Finally, it should be noted that: the above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims (6)

1. Solar photovoltaic is from net inverter PCS, including two buckle subassemblies, two firm subassemblies, apron (1) and inverter body (2), its characterized in that: the fastening assembly is arranged inside the cover plate (1), the stabilizing assembly is arranged on the outer side of the inverter body (2), and the cover plate (1) is arranged on one side of the inverter body (2);

the buckle subassembly includes dead slot (3), first spring (4), wedge (5), fixture block (10) and buckle groove (11), dead slot (3) have been seted up to the inside of apron (1), the inside sliding connection of dead slot (3) has wedge (5), the first spring of fixedly connected with (4) between one side of wedge (5) and one side of dead slot (3) inner wall, one side fixedly connected with fixture block (10) of first spring (4) are kept away from in wedge (5), buckle groove (11) have been seted up to one side of dc-to-ac converter body (2) bottom, fixture block (10) extend to the inside of buckle groove (11).

2. The solar photovoltaic grid-connected and off-grid inverter PCS according to claim 1, characterized in that: buckle subassembly is still including holding groove (6), second spring (7), limiting plate (8) and T type pole (9), the inside of apron (1) and the below that is located dead slot (3) have been seted up and have been held groove (6), the inside sliding connection who holds groove (6) has limiting plate (8), the bottom fixedly connected with T type pole (9) of limiting plate (8), the top of T type pole (9) extends to the inside of dead slot (3), the outside fixedly connected with second spring (7) of T type pole (9) are established to the top of limiting plate (8) and the cover between the top of holding groove (6) inner wall, the bottom of T type pole (9) extends to the bottom of apron (1).

3. The solar photovoltaic grid-connected and off-grid inverter PCS according to claim 1, characterized in that: firm subassembly includes T type post (12) and T type groove (13), one side fixedly connected with T type post (12) at apron (1) top, T type groove (13) have been seted up to one side at inverter body (2) top, T type post (12) and T type groove (13) sliding connection.

4. The solar photovoltaic grid-connected and off-grid inverter PCS according to claim 1, characterized in that: the top and the bottom of the inverter body (2) are fixedly connected with a fixing plate (14), and two fixing holes (15) are formed in the fixing plate (14).

5. The solar photovoltaic grid-connected and off-grid inverter PCS according to claim 1, characterized in that: the heat dissipation fan (16) is arranged at the bottom of the inverter body (2), a power supply jack (18) is formed in the bottom of the inverter body (2), and a wiring hole (17) is formed in the bottom of the inverter body (2).

6. The solar photovoltaic grid-connected and off-grid inverter PCS according to claim 2, characterized in that: the T-shaped rod (9) and the wedge-shaped block (5) are provided with mutually matched inclined planes.

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