CN216218130U

CN216218130U - Inverter electromagnetic shielding cabinet door and inverter

Info

Publication number: CN216218130U
Application number: CN202122695204.XU
Authority: CN
Inventors: 刘玉柱; 王婷; 唐洲; 郭积晶; 李星; 葛会军; 刘华东
Original assignee: Zhuzhou National Engineering Research Center of Converters Co Ltd
Current assignee: Zhuzhou National Engineering Research Center of Converters Co Ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-04-05
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses an electromagnetic shielding cabinet door of an inverter, which comprises a door plate, and further comprises a reinforcing rib and a door plate sealing piece which are arranged on the inner side of the door plate, wherein a bent part bent inwards is arranged on the periphery of the door plate, the reinforcing rib is positioned on the inner periphery of the bent part, the door plate sealing piece is arranged between the reinforcing rib and the bent part, and a conducting strip is arranged on the reinforcing rib. The utility model has the advantages of simple structure, low cost, sealing and electromagnetic shielding requirements and the like.

Description

Inverter electromagnetic shielding cabinet door and inverter

Technical Field

The utility model relates to the technical field of photovoltaic power generation, in particular to an electromagnetic shielding cabinet door of an inverter and the inverter.

Background

At present, the photovoltaic power generation industry is increasingly popularized, a key equipment inverter in the photovoltaic power generation industry is usually installed on the outer strong surface of a user house or the wall of a commercial building, and according to relevant regulations of the industry, an equipment cabinet door of the inverter needs to meet requirements of outdoor use, maintenance, electromagnetic shielding and the like. The currently common equipment cabinet door mainly has three technical schemes: the utility model provides an use the mode of cable ground connection to carry out the electromagnetic shield, though satisfied the demand of electromagnetic shield, the cabinet door passes through cable ground connection, and inconvenient maintenance installation on the one hand, on the other hand need adopt artificial mode to carry out the operation, and the equipment man-hour is very long, man-hour cost is high. The other type is a form of a conductive sealing strip, so that the sealing requirement is met, and the conductive grounding function is met, so that electromagnetic shielding is realized, but the cost of the conductive sealing strip on the market is high at present, and the cost of the new energy photovoltaic inverter is not reduced. The third is to adopt the mode of the grounding elastic sheet, the grounding elastic sheet is fixed on the door panel through a bolt, and the fixing points are many, so that the door panel is not beneficial to batch mechanical operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides the electromagnetic shielding cabinet door for the inverter, which has the advantages of simple structure, low cost and sealing and electromagnetic shielding requirements.

The utility model further provides an inverter comprising the inverter electromagnetic shielding cabinet door.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides an inverter electromagnetic shielding cabinet door, includes the door plant, still including locating inboard strengthening rib and the door plant sealing member of door plant, the door plant is equipped with the kink of inside bending all around, the strengthening rib is located the kink is interior week, the door plant sealing member is located the strengthening rib with between the kink, be equipped with the conducting strip on the strengthening rib.

As a further improvement of the above technical solution: the strengthening rib includes the first side that is parallel with the door plant and to the inboard second side of buckling of door plant.

As a further improvement of the above technical solution: the conducting strip includes with the parallel first components of a whole that can function independently of the first side and with the parallel second components of a whole that can function independently of the second side, first components of a whole that can function independently with the laminating of first side, the second components of a whole that can function independently with second side fixed connection.

As a further improvement of the above technical solution: one end of the first split body, which is far away from the second split body, extends to the inner side of the door panel sealing element.

As a further improvement of the above technical solution: the second body is riveted with the second side edge.

As a further improvement of the above technical solution: the door panel seal is disposed along the first side.

As a further improvement of the above technical solution: the conducting strip is provided with a plurality of and evenly arranges along circumference.

As a further improvement of the above technical solution: the conducting strip is an elastic strip.

As a further improvement of the above technical solution: the door panel is provided with a positioning hole, a display screen is arranged in the positioning hole, the inner side of the display screen is provided with a mounting seat, and the mounting seat is riveted with the door panel and is provided with a mounting seat sealing element between the mounting seat and the door panel.

The utility model provides an inverter, includes the inverter cabinet body and locates the internal inverter body of inverter cabinet, still includes foretell inverter electromagnetic shield cabinet door, the inverter cabinet body with the door plant is connected.

Compared with the prior art, the utility model has the advantages that: according to the inverter electromagnetic shielding cabinet door disclosed by the utility model, the periphery of the door plate is bent inwards to form the bent part, the reinforcing ribs are arranged on the inner periphery of the bent part, the strength of the door plate is favorably improved, the warping deformation when the size of the cabinet door is overlarge is prevented, the door plate sealing element is used for ensuring the sealing property between the door plate and the cabinet body, the door plate sealing element can be used as a positioning reference by using the bent part and the reinforcing ribs to realize rapid positioning and installation, and the conductive sheets are arranged on the reinforcing ribs and used for conducting grounding, so that the electromagnetic shielding is realized.

The inverter disclosed by the utility model comprises the inverter electromagnetic shielding cabinet door, so that the inverter electromagnetic shielding cabinet door also has the advantages.

Drawings

Fig. 1 is a schematic view of the outer side of the present invention.

Fig. 2 is a schematic view of the inner side of the present invention.

Fig. 3 is a partially enlarged view of fig. 2.

FIG. 4 is a schematic view of the inner side of the door panel according to the present invention.

Fig. 5 is a schematic view of the structure of the reinforcing bar of the present invention.

Fig. 6 is a schematic view of the structure of the conductive sheet of the present invention.

Fig. 7 is a schematic structural view of a display panel in the present invention.

The reference numerals in the figures denote: 1. a door panel; 11. a bending section; 12. positioning holes; 2. reinforcing ribs; 21. a first side edge; 22. a second side edge; 3. a door panel seal; 4. a conductive sheet; 41. a first split body; 42. a second body; 5. a display screen; 51. a mounting seat; 6. riveting holes; 7. and (4) riveting.

Detailed Description

The utility model is described in further detail below with reference to the figures and specific examples of the specification.

Fig. 1 to 7 show an embodiment of an electromagnetic shielding cabinet door for an inverter according to the present invention, the electromagnetic shielding cabinet door for an inverter according to the present embodiment includes a door panel 1, and further includes a reinforcing rib 2 and a door panel sealing member 3, which are disposed on an inner side of the door panel 1, a bent portion 11 bent inward is disposed around the door panel 1, the reinforcing rib 2 is disposed on an inner periphery of the bent portion 11, the door panel sealing member 3 is disposed between the reinforcing rib 2 and the bent portion 11, and a conductive sheet 4 is disposed on the reinforcing rib 2. Wherein, the inner side of the door panel 1, that is, the side of the door panel 1 close to the inverter cabinet (not shown) or the back of the door panel 1, and the outer side of the corresponding door panel 1 is the front of the door panel 1; the inner periphery of the bent portion 11, that is, the region surrounded by the bent portion 11; preferably, the door panel seal 3 may be, for example, a sealing strip, a gasket, or the like; the reinforcing ribs 2 can be connected with the door panel 1 in a welding mode.

Inverter electromagnetic shield cabinet door, door plant 1 is inwards buckled all around and is constituted

kink

11, 11 internal circumferences of kink are equipped with strengthening rib 2, be favorable to improving the intensity of door plant 1, prevent that the warp from appearing when cabinet door size is too big, door plant sealing member 3 is used for guaranteeing the leakproofness between the door plant 1 and the cabinet body, 3 usable kinks of door plant sealing member 11 and strengthening rib 2 are as the location benchmark, realize quick location installation, be provided with conducting strip 4 on the strengthening rib 2, be used for electrically conductive ground, and then realize the electromagnetic shield, compare in current electrically conductive sealing strip, the structure is simpler, the cost is lower.

As preferred embodiment, the reinforcing rib 2 includes the first side 21 parallel with the door panel 1 and the second side 22 bending towards the door panel 1, and simple structure, intensity is high, can effectually prevent door panel 1 warp deformation, makes things convenient for conducting strip 4 to install fixedly simultaneously.

Further, in this embodiment, the conductive plate 4 includes a first split 41 parallel to the first side 21 and a second split 42 parallel to the second side 22, the first split 41 is attached to the first side 21, and the second split 42 is fixedly connected to the second side 22, so that the conductive plate 4 is conveniently and reliably fixed to the stiffener 2.

Further, in this embodiment, one end of the first sub-body 41, which is far away from the second sub-body 42, extends to the inner side of the door panel sealing element 3, or along the front-back direction, the door panel sealing element 3 is located between the first sub-body 41 and the door panel 1, so that the conductive sheet 4 is conveniently grounded. Preferably, the part of the first sub-body 41 located inside the door panel seal 3 does not exceed 1/3 of the width of the door panel seal 3 itself.

As a preferred embodiment, the second section 42 is riveted to the second side 22, the riveting holes 6 are machined on the second section 42 and the second side 22 and aligned one by one, and then the quick installation and fixation are realized by using an automatic riveting tool, so that the method is suitable for mass mechanical production, and the time required by installation is further shortened.

As a preferred embodiment, the door panel seal 3 is disposed along the first side 21, or the door panel seal 3 is positioned along the periphery of the first side 21, which facilitates quick positioning and installation of the door panel seal 3. When assembling the cabinet door, can earlier with conducting

strip

4 and 2 quick riveting fixed backs of strengthening rib, reuse strengthening rib 2 as the location, install door plant sealing member 3 fast.

As a preferred embodiment, the conducting strips 4 are provided in a plurality and uniformly arranged along the circumferential direction, which is beneficial to improving the electromagnetic shielding performance of the cabinet door.

In a preferred embodiment, the conductive sheet 4 is an elastic sheet, and may be, for example, a stainless steel belt with a width of about 0.2mm, which has good elasticity and toughness, and a length determined by the width of the door panel seal 3 and the reinforcing ribs 2. And the elastic sheet is adopted, so that the conductive sheet 4 can be conveniently grounded.

Further, in this embodiment, a positioning hole 12 is formed in the door panel 1, a display screen 5 is disposed in the positioning hole 12, an installation seat 51 is disposed on the inner side of the display screen 5, the installation seat 51 is riveted to the door panel 1, and an installation seat sealing member (not shown in the figure, for example, a sealing rubber strip or a sealing ring may be used, and deformation is achieved by squeezing the door panel 1 and the installation seat 51 to achieve good sealing) is disposed between the installation seat 51 and the door panel 1. The mounting seat 51 is riveted with the door plate 1, the structure is simple and reliable, rapid mounting and fixing are conveniently realized by adopting an automatic riveting tool, mass production is realized, and the cost is reduced. Preferably, a rivet 7 may be disposed on the door panel 1, and a riveting hole 6 may be correspondingly disposed on the mounting seat 51; after the display screen 5 is installed and fixed, the outer side face is kept flush with the outer side face of the door panel 1.

The inverter of this embodiment, including the inverter cabinet body and locate the internal inverter body of inverter cabinet, still include foretell inverter electromagnetic shield cabinet door, the inverter cabinet body is connected with door plant 1.

The inverter comprises the inverter electromagnetic shielding cabinet door, so that the inverter has the advantages.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the utility model, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.

Claims

1. The utility model provides an inverter electromagnetic shield cabinet door, includes door plant (1), its characterized in that: still including locating door plant (1) inboard strengthening rib (2) and door plant sealing member (3), door plant (1) is equipped with kink (11) of inside lateral buckling all around, strengthening rib (2) are located kink (11) are interior week, door plant sealing member (3) are located strengthening rib (2) with between kink (11), be equipped with conducting strip (4) on strengthening rib (2).

2. The inverter electromagnetic shield cabinet door of claim 1, wherein: the reinforcing rib (2) comprises a first side edge (21) parallel to the door panel (1) and a second side edge (22) bent towards the inner side of the door panel (1).

3. The inverter electromagnetic shield cabinet door of claim 2, wherein: the conducting strip (4) comprises a first split body (41) parallel to the first side edge (21) and a second split body (42) parallel to the second side edge (22), the first split body (41) is attached to the first side edge (21), and the second split body (42) is fixedly connected with the second side edge (22).

4. The inverter electromagnetic shield cabinet door of claim 3, wherein: one end of the first split body (41) far away from the second split body (42) extends to the inner side of the door panel sealing element (3).

5. The inverter electromagnetic shield cabinet door of claim 4, wherein: the second section (42) is riveted to the second side edge (22).

6. The inverter electromagnetic shield cabinet door of claim 2, wherein: the door leaf seal (3) is arranged along the first side edge (21).

7. The inverter electromagnetic shield cabinet door according to any one of claims 1 to 6, wherein: the conducting strips (4) are provided with a plurality of conducting strips and are uniformly arranged along the circumferential direction.

8. The inverter electromagnetic shield cabinet door of claim 7, wherein: the conducting strip (4) is an elastic strip.

9. The inverter electromagnetic shield cabinet door according to any one of claims 1 to 6, wherein: the door panel is characterized in that a positioning hole (12) is formed in the door panel (1), a display screen (5) is arranged in the positioning hole (12), a mounting seat (51) is arranged on the inner side of the display screen (5), the mounting seat (51) is riveted with the door panel (1), and a mounting seat sealing element is arranged between the mounting seat and the door panel.

10. The utility model provides an inverter, includes the inverter cabinet body and locates the internal inverter body of inverter cabinet, its characterized in that: further comprising the inverter electromagnetic shield cabinet door of any one of claims 1 to 9, the inverter cabinet body being connected with the door panel (1).