CN210724585U

CN210724585U - Damp-proof cabinet for off-grid inverter

Info

Publication number: CN210724585U
Application number: CN201921920046.XU
Authority: CN
Inventors: 彭景生
Original assignee: Grandglow New Energy Technology Co ltd
Current assignee: Grandglow New Energy Technology Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-06-09
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses a moistureproof off-grid inverter cabinet, which comprises a cabinet body, wherein a panel is installed on the upper part of the front surface of the cabinet body, the front surface of the cabinet body is hinged with a front protection door at one side of the panel, the side surface of the cabinet body is hinged with a side protection door, a moistureproof mechanism is arranged in the cabinet body, the moistureproof mechanism comprises a drying agent box, a fixed block, a first through hole, a drying agent placing bag and a supporting plate, the drying agent box is arranged at the inner bottom of the cabinet body, and the fixed blocks which are distributed relatively are fixed on the inner side surface of the drying; the utility model has the advantages that: the moisture-proof mechanism is beneficial to absorbing humidity by using the desiccant placing bag, so that the moisture-proof effect in the cabinet body is improved; the supporting plate is connected with the fixing block in a sliding mode, so that the efficiency of placing the drying agent placing bag on the supporting plate is improved; through the protection machanism of design, help the installation of dust screen and dismantle cleanly, better play the effect that the heat dissipation filtered the dust.

Description

Damp-proof cabinet for off-grid inverter

Technical Field

The utility model belongs to the technical field of from net dc-to-ac converter rack, concretely relates to dampproofing from net rack for inverter.

Background

In an off-grid inverter, the rated output capacity is also an important reference factor, which represents the ability of the inverter to supply power to a load. The inverter with high rated output capacity value can carry more power loads; when the inverter is not a purely resistive load, the load capacity of the inverter will be less than the value of the rated output capacity it gives. The efficiency of the inverter has important influence on the system to improve the effective generating capacity and reduce the generating cost. Because the cost of the solar battery is still higher at present and the solar battery is not greatly reduced in recent years, the off-grid inverter is required to have high efficiency, particularly, the off-grid inverter is required to have high efficiency at the time of low-load power supply, and the low no-load is a higher requirement of the off-grid inverter compared with the common inverter. The magnitude of the power loss of the inverter itself is usually expressed in%. GB/T19064 and 2003 stipulate that the efficiency should be greater than or equal to 80% when the output power of the inverter is greater than or equal to 75% of the rated power. The inverter with larger capacity should also give full load efficiency values and low load efficiency values, the efficiency of the inverter below the 10kW class should be 80% -85%, and the efficiency of the inverter below the 10kW class should be 85% -90%. The efficiency of the inverter has important influence on the improvement of effective generating capacity and the reduction of generating cost of the photovoltaic power generation system.

The existing cabinet for the off-grid inverter has the following defects when in use:

1. the moisture resistance is insufficient, and the humidity of air in the cabinet is reduced;

2. the front protective door is provided with heat dissipation holes, and dust accumulated on the surfaces of the heat dissipation holes is inconvenient to clean.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a moistureproof cabinet for an off-grid inverter, which is used for solving the defects of the moistureproof aspect and the defect of the humidity reduction of air in the cabinet in the background technology; the front protective door is provided with heat dissipation holes, and dust accumulated on the surfaces of the heat dissipation holes is inconvenient to clean.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a damp-proofing rack for off-grid inverter, includes the cabinet body, the panel is installed on the front surface upper portion of the cabinet body, one side that the front surface of the cabinet body lies in the panel articulates there is preceding guard gate, the side surface of the cabinet body articulates there is side guard gate, the inside of the cabinet body is provided with dampproofing mechanism, and this dampproofing mechanism includes that desiccant box, fixed block, through-hole one, desiccant place package, backup pad, desiccant box sets up in the interior bottom of the cabinet body, and the medial surface of this desiccant box is fixed with the fixed block of relative distribution, and the opposite face of two fixed blocks is seted up and is supplied backup pad male fixed slot, has all placed the desiccant on the interior bottom of this desiccant box and the backup pad and has placed the package, the surface of.

Preferably, the surface of the supporting plate is provided with a plurality of through holes II distributed at intervals in a penetrating manner, and the fixing groove is a U-shaped groove.

Preferably, a fixing mechanism is fixed on the side surface of the drying agent box, the fixing mechanism comprises a fixing plate and bolt holes, the fixing plates are fixed on the end portions of the side surface of the drying agent box and distributed oppositely, and the bolt holes are formed in the surface of each fixing plate in a penetrating mode.

Preferably, a first handle is fixed on the front surface of the front protective door, and a second handle is fixed on the surface of the side protective door.

Preferably, the rear surface of preceding guard gate is provided with protection machanism, and this protection machanism includes dust screen, frame, spout and fixed frame, the inboard of frame is fixed with the dust screen, fixed frame is fixed in the rear surface of preceding guard gate, and the medial surface of this fixed frame is seted up and is supplied frame male spout.

Preferably, the four corners of the bottom of the cabinet body are fixed with universal wheels, and the front surface of the front protective door is provided with a fixing opening in a penetrating way.

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

(1) the moisture-proof mechanism is beneficial to absorbing humidity by using the desiccant placing bag, so that the moisture-proof effect in the cabinet body is improved;

(2) the supporting plate is connected with the fixing block in a sliding mode, so that the efficiency of placing the drying agent placing bag on the supporting plate is improved;

(3) through the protection machanism of design, help the installation of dust screen and dismantle cleanly, better play the effect that the heat dissipation filtered the dust.

Drawings

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

FIG. 2 is a schematic view of the opening structure of the front protective door of the present invention;

FIG. 3 is a schematic sectional view of the drying agent box of the present invention;

fig. 4 is a left side view schematic structure of fig. 1 according to the present invention;

in the figure: 1. a cabinet body; 2. a panel; 3. a second handle; 4. a universal wheel; 5. a dust screen; 6. a front guard gate; 7. a first handle; 8. a frame; 9. a chute; 10. a fixing frame; 11. a desiccant box; 12. a fixing plate; 13. a fixed block; 14. a first through hole; 15. fixing grooves; 16. bolt holes; 17. a desiccant storage bag; 18. a second through hole; 19. a side guard gate; 20. and a support plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: a cabinet for a moisture-proof off-grid inverter comprises a cabinet body 1, a panel 2 is installed on the upper portion of the front surface of the cabinet body 1, a front protective door 6 is hinged to one side, located on the panel 2, of the front surface of the cabinet body 1, a side protective door 19 is hinged to the side surface of the cabinet body 1, a moisture-proof mechanism is arranged inside the cabinet body 1, the moisture-proof mechanism comprises a drying agent box 11, a fixed block 13, a through hole I14, a drying agent placing bag 17 and a supporting plate 20, the drying agent box 11 is arranged at the inner bottom of the cabinet body 1, the fixed blocks 13 which are distributed oppositely are fixed on the inner side surface of the drying agent box 11, fixing grooves 15 for the supporting plate 20 to insert are formed in the opposite surfaces of the two fixed blocks 13, the drying agent placing bag 17 is placed at the inner bottom of the drying agent box 11 and the supporting plate 20, the through holes I14 distributed at, the desiccant placing bag 17 is placed stably, the desiccant placing bag 17 can better absorb humidity through the first through hole 14, and the moisture-proof effect in the cabinet body 1 is improved; backup pad 20 and fixed block 13 sliding connection are convenient for pull backup pad 20, have improved and have placed the efficiency that the package 17 was placed to the drier on backup pad 20, and when the drier that is located on backup pad 20 placed package 17 moisture absorption ability decline and changed, it is more convenient to pull backup pad 20 from fixed block 13, has improved the efficiency that the package 17 was placed to the change drier.

In this embodiment, preferably, the surface of the supporting plate 20 is perforated with a plurality of second through holes 18 distributed at intervals, so that the desiccant placing bag 17 can absorb moisture better, and the fixing groove 15 is a U-shaped groove, so that the supporting plate 20 can be pulled along the fixing groove 15.

In this embodiment, preferably, a fixing mechanism is fixed on a side surface of the drying agent box 11, the fixing mechanism includes a fixing plate 12 and bolt holes 16, the fixing plate 12 is fixed on an end portion of the side surface of the drying agent box 11, the bolt holes 16 are formed through a surface of the fixing plate 12, and when the drying agent box 11 is placed, bolts can pass through the bolt holes 16 to fix the drying agent box 11.

In this embodiment, preferably, a first handle 7 is fixed on the front surface of the front protective door 6, so that the front protective door 6 can be opened conveniently through the first handle 7, and a second handle 3 is fixed on the surface of the side protective door 19, so that the side protective door 19 can be opened conveniently through the second handle 3.

In this embodiment, it is preferable, the rear surface of preceding guard gate 6 is provided with protection machanism, this protection machanism includes dust screen 5, frame 8, spout 9 and fixed frame 10, the inboard of frame 8 is fixed with dust screen 5, fixed frame 10 is fixed in the rear surface of preceding guard gate 6, this fixed frame 10's medial surface is seted up and is supplied frame 8 male spout 9, when dust screen 5 surface adsorption dust is too much, can extract the spout 9 on fixed frame 10 with frame 8 in the dust screen 5 outside, thereby clean dust screen 5, dust screen 5 after the cleanness resets and arranges in on fixed frame 10, this embodiment helps the installation and the dismantlement cleanness of dust screen 5, better plays the effect that the heat dissipation filtered the dust.

In this embodiment, it is preferred, the bottom four corners of the cabinet body 1 is fixed with universal wheel 4, is convenient for make the cabinet body 1 remove through universal wheel 4, and the front surface of preceding guard gate 6 link up and has seted up the fixed mouthful for the better operation that carries on of dust screen 5.

The utility model discloses a theory of operation and use flow: the drying agent box 11 is placed stably by bolts penetrating through bolt holes 16 formed in the surface of the fixing plate 12; the desiccant placing bag 17 is placed on the supporting plate 20 and the inner bottom of the desiccant box 11, so that the desiccant placing bag 17 is placed stably, the desiccant placing bag 17 can better absorb humidity through the first through hole 14, and the moisture-proof effect in the cabinet body 1 is improved; the supporting plate 20 is connected with the fixing block 13 in a sliding mode, so that the supporting plate 20 can be conveniently pulled and pulled, the efficiency of placing the drying agent placing bag 17 on the supporting plate 20 is improved, when the moisture absorption capacity of the drying agent placing bag 17 on the supporting plate 20 is reduced and the drying agent placing bag 17 is replaced, the supporting plate 20 is pulled and pulled from the fixing block 13, and the efficiency of replacing the drying agent placing bag 17 is improved;

when the dust is excessively adsorbed on the surface of the dust screen 5, the frame 8 on the outer side of the dust screen 5 can be pulled out from the sliding groove 9 on the fixing frame 10, so that the dust screen 5 is cleaned, the cleaned dust screen 5 is reset on the fixing frame 10, the dust screen 5 is favorably mounted and dismounted for cleaning, and the effects of heat dissipation and dust filtration are better achieved;

the cabinet moves to a working area through the universal wheels 4, and is powered on to operate.

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 damp-proofing rack for off-grid inverter, includes the cabinet body (1), panel (2) are installed on the front surface upper portion of the cabinet body (1), one side that the front surface of the cabinet body (1) is located panel (2) articulates there is preceding guard gate (6), the side surface of the cabinet body (1) articulates there is side guard gate (19), its characterized in that: the inside of the cabinet body (1) is provided with dampproofing mechanism, and this dampproofing mechanism includes that desiccant box (11), fixed block (13), through-hole (14), drier place package (17), backup pad (20), desiccant box (11) set up in the interior bottom of the cabinet body (1), and the medial surface of this desiccant box (11) is fixed with relative distribution's fixed block (13), and confession backup pad (20) male fixed slot (15) have been seted up to the opposite face of two fixed blocks (13), have all placed the drier on the interior bottom of this desiccant box (11) and backup pad (20) and have placed package (17), the surface of desiccant box (11) link up and has seted up a plurality of interval distribution's through-hole (14).

2. The cabinet of claim 1, wherein the cabinet is characterized in that: the surface of the supporting plate (20) is provided with a plurality of through holes II (18) which are distributed at intervals in a penetrating way, and the fixing groove (15) is a U-shaped groove.

3. The cabinet of claim 1, wherein the cabinet is characterized in that: the side surface of the drying agent box (11) is fixed with a stabilizing mechanism, the stabilizing mechanism comprises a fixing plate (12) and bolt holes (16), the fixing plate (12) which are distributed oppositely is fixed at the end part of the side surface of the drying agent box (11), and the bolt holes (16) are formed in the surface of the fixing plate (12) in a penetrating mode.

4. The cabinet of claim 1, wherein the cabinet is characterized in that: a first handle (7) is fixed on the front surface of the front protective door (6), and a second handle (3) is fixed on the surface of the side protective door (19).

5. The cabinet of claim 1, wherein the cabinet is characterized in that: the rear surface of preceding guard gate (6) is provided with protection machanism, and this protection machanism includes dust screen (5), frame (8), spout (9) and fixed frame (10), the inboard of frame (8) is fixed with dust screen (5), the rear surface of preceding guard gate (6) is fixed in to fixed frame (10), and confession frame (8) male spout (9) have been seted up to the medial surface of this fixed frame (10).

6. The cabinet of claim 1, wherein the cabinet is characterized in that: the universal wheels (4) are fixed at four corners of the bottom of the cabinet body (1), and the front surface of the front protective door (6) is provided with a fixing opening in a penetrating way.