CN218997461U

CN218997461U - Waterproof electric cabinet

Info

Publication number: CN218997461U
Application number: CN202223234718.6U
Authority: CN
Inventors: 蒲明星; 李波
Original assignee: Sichuan Changhong Air Conditioner Co Ltd
Current assignee: Sichuan Changhong Air Conditioner Co Ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-05-09
Anticipated expiration: 2032-12-02

Abstract

The utility model discloses an electric cabinet with a waterproof function, which solves the problem of poor waterproof performance of the existing electric cabinet. The technical scheme adopted by the utility model is as follows: the waterproof electric cabinet comprises a cabinet body, the top of the cabinet body is a rain eave, a wire inlet hole is formed in the bottom surface or the side surface of the cabinet body, and rainwater and water drops are prevented from entering the interior of the cabinet body from the top of the cabinet body through adjustment of a wire inlet mode; the side of box sets up at least one chamber door, and one side of chamber door articulates in the box, sets up the crack waterproof construction between one side and another chamber door or the box that the hinge side was kept away from to the chamber door, and the crack waterproof construction plays the effect of avoiding the rainwater to get into the inside of box from the crack. The door seam waterproof structure comprises a first plate body and a second plate body, wherein the first plate body is L-shaped in horizontal section, the second plate body is provided with a clamping groove with an opening facing the first plate body, the first plate body is hinged to a door of the box body, and the second plate body is hinged to the door of the box body or the box body. The waterproof electric cabinet is suitable for the electric cabinet of screw rod unit.

Description

Waterproof electric cabinet

Technical Field

The utility model relates to an electric cabinet, in particular to an electric cabinet with a waterproof function.

Background

For the conventional screw unit electric cabinet, the arrangement modes of elements such as a terminal seat, a contactor and the like are limited, and the top inlet wire is mostly adopted, so that water is easy to enter at the inlet wire part. The electric cabinet is used for the great unit of power, generally installs outdoors, and the electric cabinet of top inlet wire either sets up complicated waterproof construction and avoids the top problem of intaking, or waterproof performance is poor. Because the electric cabinet is generally installed outdoors so that the heat dissipation of the internal heating device is facilitated, when a drain pipe exists on the top of the electric cabinet in weather or in the weather, water is very easy to enter the electric cabinet, the electric cabinet is short-circuited when the electric cabinet is light, components and parts are burnt, fire house occurs when the electric cabinet is heavy, and large-scale safety accidents are caused. In addition, the door of the existing electric cabinet is matched with another door or a cabinet body, and the door seam is not easy to close tightly and water is easy to enter.

Disclosure of Invention

The utility model provides a waterproof electric cabinet, which solves the problem of poor waterproof performance of the existing electric cabinet.

The technical scheme adopted by the utility model is as follows: the waterproof electric cabinet comprises a cabinet body, wherein the top of the cabinet body is a rain eave, a wire inlet hole is formed in the bottom surface or the side surface of the cabinet body, at least one cabinet door is arranged on the side surface of the cabinet body, one side of the cabinet door is hinged to the cabinet body, and a door gap waterproof structure is arranged between one side of the cabinet door away from the hinged side and the other cabinet door or the cabinet body; the door seam waterproof structure comprises a first plate body and a second plate body, wherein the first plate body is L-shaped in horizontal section, the second plate body is provided with a clamping groove with an opening facing the first plate body, the edge of the first plate body is clamped in the clamping groove, the first plate body is hinged to a box door of the box body, and the second plate body is hinged to the box door of the box body or the box body.

In order to further improve the waterproof performance of the door seam waterproof structure, the door seam waterproof structure further comprises a sealing strip, wherein the sealing strip is fixed on the first plate body or the second plate body and is positioned at the position where the first plate body and the second plate body touch.

In order to improve the heat dissipation capacity of the box body, further: the side of the box body is also provided with an air inlet and a heat dissipation hole, a heat dissipation air channel is formed between the air inlet and the heat dissipation hole, the inner side of the heat dissipation hole is provided with an exhaust fan, and the outer side of the heat dissipation hole is provided with a water blocking cover. The water retaining cover is used for preventing rainwater from entering the box body from the radiating holes, for example, the water retaining cover is provided with a plurality of vent holes with downward openings.

In order to improve the heat dissipation efficiency of the heat dissipation channel formed by the air inlet hole and the heat dissipation hole, further: the air inlet and the heat dissipation holes are arranged on two opposite side surfaces of the box body, and the heat dissipation holes are arranged on the top of the side surface of the box body.

Further is: the box body is internally provided with a first baffle, two sides of the first baffle are respectively provided with a wire inlet area and a wire outlet area, the side surface of the box body corresponding to the wire inlet area is provided with a wire inlet hole, the first baffle is provided with at least one wire outlet hole communicated with the wire outlet area, and the wire inlet area is also provided with a box door; there is the vertical second baffle that arranges in the electric district, and the both sides of second baffle are strong electric district and weak current district respectively, and the second baffle sets up at least one through-hole, and the box in strong electric district is inside to be set up strong electric mounting panel, and the box in weak current district is inside to be set up weak electric mounting panel, and strong electric district and weak current district set up the chamber door respectively.

The box body is internally provided with a first baffle, two sides of the first baffle are respectively provided with a wire inlet area and a wire outlet area, the wire inlet area is provided with at least one wire inlet hole and at least one wire outlet hole, the wire outlet hole is positioned on the first baffle, and the wire inlet area is also provided with a box door; there is the vertical second baffle that arranges in the electric district, and the both sides of second baffle are strong electric district and weak current district respectively, and the second baffle sets up at least one through-hole, and the box in strong electric district is inside to be set up strong electric mounting panel, and the box in weak current district is inside to be set up weak electric mounting panel, and strong electric district and weak current district set up the chamber door respectively.

Specific: the inlet wire district sets up a fan chamber door, and inlet wire district's chamber door and first baffle all set up a plurality of inlet ports that open side down.

In order to avoid rainwater entering the electricity-carrying area along with the cable, further: the height of the wire inlet hole of the wire inlet area is lower than that of the wire outlet hole.

Further is: the strong current area is provided with two opposite-opening type box doors, the weak current area is provided with a box door, and the box door of the weak current area is provided with mounting holes such as a display screen, a warning lamp and the like.

In order to be convenient for the installation of box fixed and be convenient for observe the display screen, further be: the bottom of the box body is provided with supporting feet, and the installation height of the display screen relative to the lower ends of the supporting feet is 1.5-1.7 meters.

The beneficial effects of the utility model are as follows: the top of the box body is provided with a rain eave, the bottom surface or the side surface of the box body is provided with a wire inlet hole, and rainwater and water drops are prevented from entering the interior of the box body from the top of the box body by adjusting a wire inlet mode; a door gap waterproof structure is arranged between the door and the door (double doors) and between the door and the box body (single door), so that rainwater is prevented from entering the inside of the box body from the door gap. The water retaining cover is arranged on the outer side of the radiating hole, so that rainwater is prevented from entering the box body from the radiating hole. The waterproof electric cabinet is suitable for being used as an electric cabinet of a screw unit. The inside of box is separated into inlet wire district and has electric district, has the electric district to separate into strong electric district and weak current district again, through reasonable subregion to the box, both does benefit to the maintenance of electric cabinet and overhauls, also does benefit to the realization structure integration, avoids a plurality of electric cabinets such as extra configuration water pump contactor switch board, protection switch board.

Drawings

Fig. 1 is an exploded view of the waterproof electric cabinet of the present utility model.

Fig. 2 is an overall view of the waterproof electric cabinet of the present utility model.

Fig. 3 is a partial view of the waterproof electric cabinet of the present utility model at the water shield.

Fig. 4 is a schematic view of a waterproof structure for a door seam in the present utility model.

Reference numerals: the novel solar energy photovoltaic power generation device comprises a box body 1, a rain eave 11, a wire inlet hole 12, an air inlet hole 13, a heat radiation hole 14, a first partition plate 15, a wire outlet hole 16, a box door 2, a first plate body 31, a second plate body 32, a sealing strip 33, a water retaining cover 4, a second partition plate 5, a strong current mounting plate 6, a weak current mounting plate 7 and support legs 8.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the waterproof electric cabinet of the utility model comprises a cabinet body 1, wherein the top of the cabinet body 1 is provided with a rain edge 11, and the rain edge 11 can be of a unidirectional inclined type or a bidirectional inclined herringbone rain edge 11. For example, in the embodiment shown in fig. 1 and 2, the top of the case 1 is provided with a herringbone rain eave 11. The bottom surface or the side of the box body 1 is provided with one or a plurality of wire inlet holes 12, and the wire inlet holes 12 are used for leading the cables into and out of the box body 1. Since the inlet hole 12 is located at the bottom or side of the case 1, rainwater can be prevented from entering the case from the inlet hole 12 as much as possible. The side of the box body 1 is provided with at least one box door 2, one side of the box door 2 is hinged with the box body 1, and the box door 2 can be a single door or a double door. When the box door 2 is opened singly, a door gap waterproof structure is arranged between one side of the box door 2 away from the hinged side and the box body 1; when the box door 2 is double-door, a door gap waterproof structure is arranged between one side of the box door 2 away from the hinged side and the other box door 2.

The door seam waterproof structure is used for preventing rainwater and the like from entering the inside of the box body 1 from the door seam. Referring to fig. 4, the door seam waterproof structure includes a first plate 31 and a second plate 32, where the first plate 31 is L-shaped in horizontal section, the second plate 32 is provided with a slot with an opening facing the first plate 31, the edge of the first plate 31 is clamped in the slot, and the first plate 31 and the second plate 32 are generally metal pieces and can be obtained by bending. The first plate 31 of the door seam waterproof structure is hinged to the door 2 of the box 1, and the second plate 32 is hinged to the door 2 of the box 1 or the box 1. In order to further improve the waterproof performance of the door seam waterproof structure and reduce the sound of closing the door 2, the door seam waterproof structure further comprises one or two sealing strips 33, the sealing strips 33 are fixed on the first plate 31 or the second plate 32, the sealing strips 33 are prevented from falling off, and the sealing strips 33 are positioned at the positions where the first plate 3 and the second plate 32 touch. For example, when the sealing strip 33 is one strip, the sealing strip 33 is clamped at the edge of the first plate 31 or the edge of the second plate 32; when the number of the sealing strips 33 is two, the sealing strips 33 are clamped at the edge of the first plate 31 and the edge of the second plate 32.

In order to better radiate heat of the box body 1, the side surface of the box body 1 is also provided with an air inlet hole 13 and a heat radiation hole 14, and a heat radiation air channel is formed between the air inlet hole 13 and the heat radiation hole 14. The heat dissipation hole 14 is provided with an exhaust fan for exhausting the hot air in the box body 1. For example, referring to fig. 1 and 3, an exhaust fan is provided inside the heat dissipation hole 14, and a water blocking cover 4 is provided outside the heat dissipation hole 14, the water blocking cover 4 being for blocking rainwater from entering the case 1 from the heat dissipation hole 14. In order to improve the effect of the water retaining cover 4 in blocking rainwater, the water retaining cover 4 is provided with a plurality of vent holes with downward openings. For example, the vent hole of the water retaining cover 4 adopts a structure that the upper part is a shutter and the lower part is a through hole, so that the waterproof effect of the exhaust fan can be ensured, the air outlet is smooth, and the heat dissipation effect is not influenced. In order to improve the heat dissipation effect of the heat dissipation channel and reduce dead angles through which air flows are difficult to pass, the air inlet holes 13 and the heat dissipation holes 14 are arranged on two opposite side surfaces of the box body 1, and the air inlet holes 13 and the heat dissipation holes 14 are arranged according to a high-low mounting height as shown in fig. 1. Since the heat dissipation holes 14 are provided with the exhaust fans, and the density of the hot air is lower than that of the cold air, the heat dissipation holes 14 are preferably arranged at the top of the side surface of the box body 1.

The utility model also optimizes the internal space of the tank 1. Referring to fig. 1 and 2, a first partition 15 is fixedly arranged in the box body 1, two sides of the first partition 15 are respectively provided with a wire inlet area and a wire outlet area, a wire inlet hole 12 is formed in the side surface of the box body 1 corresponding to the wire inlet area, at least one wire outlet hole 16 communicated with the wire outlet area is formed in the first partition 15, and a cable is firstly connected into the wire inlet area from the wire inlet hole 12 and then connected into the wire outlet area of the box body 1 through the wire outlet hole 16. The incoming line area is also provided with a box door 2, for example, the incoming line area is provided with a box door 2 with a single door. In order to avoid rain water entering the live zone along the cable, the height of the feed hole 12 of the feed zone is lower than the height of the feed hole 16. The first partition 15 is also provided with air intake holes 13 to better air cool the powered areas. In order to prevent rainwater from entering the electricity-containing area, the box door 2 and the first partition plate 15 of the incoming line area are provided with a plurality of air inlets 13 with downward openings, so that the water is prevented from entering the electricity-containing area. For example, the box door 2 of the incoming line area is provided with two rows of louver air inlets 13, and the air inlets 13 of the box door 2 and the first partition 15 adopt a structure that the upper parts are louvers and the lower parts are through holes, so that the waterproof effect can be ensured, and meanwhile, the air inlet is ensured to be smooth.

The second partition board 5 is vertically arranged in the electric area of the box body 1, and the two sides of the second partition board 5 are respectively a strong electric area and a weak electric area, namely the electric area is divided into the strong electric area and the weak electric area by the second partition board 5. The second partition board 5 is provided with at least one through hole, for example, the second partition board 5 is provided with square holes and elliptical holes for the plastic wiring grooves and the weak current control wires to pass through. The strong current mounting plate 6 is arranged in the box body 1 in the strong current area, and the weak current mounting plate 7 is arranged in the box body 1 in the weak current area. The strong current area and the weak current area are respectively provided with a box door 2, for example, the strong current area is provided with two box doors 2 which are opened in opposite directions, and the weak current area is provided with one box door 2.

The box door 2 in the weak current area can be provided with mounting holes such as a display screen, a warning lamp and the like. In order to facilitate the observation of the display screen, the installation height of the display screen is 1.5-1.7 meters, and when the unit is debugged or maintained, an adult can just look at the display screen directly in normal standing time. In order to facilitate the installation and fixation of the box body 1, the bottom of the box body 1 is provided with support legs 8, for example, the support legs 8 are welded on the back surface of the box body 1 and are matched with the installation holes at the bottom of the box body 1, so that the whole installation is firm and reliable. The mounting height of the display screen relative to the lower end of the support leg 8 is preferably 1.5-1.7 m, for example 1.6 m, so that the problem that the display screen needs to be stooped over for a long time when being observed and operated or the circuit is overhauled later is avoided.

Claims

1. Waterproof electric cabinet, including box (1), its characterized in that: the top of the box body (1) is provided with a herringbone rain eave (11), the bottom surface or the side surface of the box body (1) is provided with a wire inlet hole (12), the side surface of the box body (1) is provided with at least one box door (2), one side of the box door (2) is hinged to the box body (1), and a door gap waterproof structure is arranged between one side of the box door (2) away from the hinged side and the other box door (2) or the box body (1); the door seam waterproof structure comprises a first plate body (31) and a second plate body (32), wherein the first plate body (31) is L-shaped in horizontal section, the second plate body (32) is provided with a clamping groove with an opening facing the first plate body (31), the edge of the first plate body (31) is clamped in the clamping groove, the first plate body (31) is hinged to a box door (2) of the box body (1), and the second plate body (32) is hinged to the box door (2) of the box body (1) or the box body (1).

2. The waterproof electric cabinet as claimed in claim 1, wherein: the door seam waterproof structure further comprises a sealing strip (33), wherein the sealing strip (33) is fixed on the first plate body (31) or the second plate body (32) and is positioned at the position where the first plate body (31) and the second plate body (32) touch.

3. The waterproof electric cabinet as claimed in claim 1, wherein: the side of the box body (1) is also provided with an air inlet hole (13) and a heat dissipation hole (14), a heat dissipation air channel is formed between the air inlet hole (13) and the heat dissipation hole (14), an exhaust fan is arranged at the inner side of the heat dissipation hole (14), and a water blocking cover (4) is arranged at the outer side of the heat dissipation hole (14).

4. A watertight electric cabinet as claimed in claim 3, characterized in that: the water retaining cover (4) is provided with a plurality of vent holes with downward openings.

5. A watertight electric cabinet as claimed in claim 3, characterized in that: the air inlet hole (13) and the heat dissipation hole (14) are arranged on two opposite side surfaces of the box body (1), and the heat dissipation hole (14) is arranged at the top of the side surface of the box body (1).

6. The waterproof electric cabinet as claimed in any one of claims 1 to 5, wherein: a first partition plate (15) is arranged in the box body (1), two sides of the first partition plate (15) are respectively provided with a wire inlet area and a wire outlet area, a wire inlet hole (12) is formed in the side face of the box body (1) corresponding to the wire inlet area, the first partition plate (15) is provided with at least one wire outlet hole (16) communicated with the wire outlet area, and the wire inlet area is further provided with a box door (2); there is vertical arrangement second baffle (5) in the electric district, and the both sides of second baffle (5) are strong electric district and weak current district respectively, and second baffle (5) set up at least one through-hole, and the box (1) inside in strong electric district sets up strong current mounting panel (6), and the box (1) inside in weak current district sets up weak current mounting panel (7), and strong electric district and weak current district set up chamber door (2) respectively.

7. The waterproof electric cabinet as claimed in claim 6, wherein: the inlet wire district sets up a fan chamber door (2), and chamber door (2) and first baffle (15) in inlet wire district all set up a plurality of inlet port (13) that open side down.

8. The waterproof electric cabinet as claimed in claim 6, wherein: the height of the wire inlet hole (12) of the wire inlet area is lower than that of the wire outlet hole (16).

9. The waterproof electric cabinet as claimed in claim 6, wherein: the strong current district sets up two casement doors (2) of split, and the weak current district sets up a casement door (2), and the chamber door (2) in weak current district are equipped with display screen and warning light mounting hole.

10. The waterproof electric cabinet as claimed in claim 9, wherein: the bottom of the box body (1) is provided with a supporting leg (8), and the installation height of the display screen relative to the lower end of the supporting leg (8) is 1.5-1.7 meters.