Sheet metal control cabinet with moisture-proof structure

Abstract

A sheet metal control cabinet of a moisture-proof structure comprises a base, the interior of the base is of a hollow structure, a supporting column is connected in the base, a cabinet body is installed above the base, a heat conduction air pipe is connected to a rear back plate of the cabinet body, first air inlet holes are evenly distributed in the upper end of the heat conduction air pipe, and an opening and closing plate is arranged on the back faces of the first air inlet holes; the opening and closing plate is attached to the back face of the heat conduction air pipe, second air inlet holes corresponding to the first air inlet holes are machined in the opening and closing plate, the upper end of the heat conduction air pipe is connected with a sealing plate, a controller is installed on the sealing plate, and the controller controls the second air inlet holes in the opening and closing plate to coincide with or be staggered from the first air inlet holes. The lower end of the heat conduction air pipe is connected with a bottom plate of the cabinet body, a first air outlet and a second air outlet which are communicated with the heat conduction air pipe are formed in the surface of the bottom plate of the cabinet body and the surface of the base, and a fan is installed below the second air outlet. Heat is guided into the base through the heat conduction air pipe, so that the interior of the base can be kept dry in the morning and evening.

Description

TECHNICAL FIELD

[0001] The utility model relates to control cabinet technical field, specifically point to a sheet metal control cabinet of dampproof structure. BACKGROUND

[0002] Sheet metal control cabinet is used for installing electrical equipment inside, some sheet metal control cabinets are installed outdoors, due to the big temperature difference between morning and evening, the bottom of the cabinet is easy to condense dew, causes the corrosion, therefore installs the base at the bottom of the control cabinet and lifts the cabinet body, but the base contacts the ground, and its inside is easy to be damp and rust, causes the pressure -bearing performance of the base to reduce. UTILITY MODEL CONTENTS

[0003] The utility model solves the technical problem that the prior art is insufficient, and provides a sheet metal control cabinet of dampproof structure.

[0004] To solve the above technical problem, the utility model adopts the technical scheme that:

[0005] A sheet metal control cabinet of dampproof structure, including base, the hollow structure is adopted inside the base, the support column is connected in the base, the cabinet body is installed above the base, the back plate of the cabinet body is connected with heat conduction air pipe, the first air inlet is uniformly distributed on the upper end of heat conduction air pipe, the back surface of first air inlet is provided with open-close plate, open-close plate is pasted with the back surface of heat conduction air pipe, the second air inlet corresponding with first air inlet is processed on open-close plate, the upper end of heat conduction air pipe is connected with sealing plate, the controller is installed on sealing plate, the second air inlet on open-close plate is overlapped or staggered with first air inlet under the control of controller, the lower end of heat conduction air pipe is connected with the bottom plate of cabinet body, the surface of the bottom plate of cabinet body and base is provided with first air outlet and second air outlet communicated with heat conduction air pipe, the fan is installed below the second air outlet.

[0006] Further, the controller adopts an electromagnet, a telescopic pin is arranged in the middle of the electromagnet, a connecting plate is bent on the upper end of the open-close plate, a connector is arranged on the connecting plate, and the end of the telescopic pin is connected with the connector.

[0007] Further, a guide screw is installed on the surface of the heat conduction air pipe, a guide groove is processed on the open-close plate, the guide screw passes through the guide groove, and a gasket and a nut are installed on the guide screw to block the open-close plate.

[0008] Further, the first air inlet and the second air inlet are both waist-shaped holes.

[0009] Further, threaded holes are processed on the support columns around the base, and the cabinet body is fixed on the support columns by bolts.

[0010] Compared with the prior art, the sheet metal control cabinet with the moisture-proof structure has the advantages that heat generated by electrical equipment in the control cabinet is concentrated above the cabinet body, the heat is introduced into the base through the heat-conducting air pipe, and the inside of the base can be kept dry in the early morning and evening. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is a structural schematic view of the utility model;

[0012] Figure 2 is Figure 1 is a sectional view of A-A in figure

[0013] Among them, 1, base, 2, support column, 3, cabinet, 4, heat-conducting air pipe, 5, first air inlet, 6, open-close plate, 7, guide screw, 8, guide slot, 9, second air inlet, 10, sealing plate, 11, controller, 12, connecting plate, 13, joint, 14, first air outlet, 15, second air outlet, 16, fan. DETAILED DESCRIPTION

[0014] The technical scheme in the utility model embodiment will be clearly and completely described below.

[0015] As Figure 1 and Figure 2 shown, a sheet metal control cabinet with a moisture-proof structure includes a base 1, the inside of the base 1 adopts a hollow structure, a support column 2 is connected in the base 1, the support column 2 improves the compressive strength of the base, a cabinet 3 is installed above the base 1, a threaded hole is processed on the support column 2 at the periphery of the base 1, the cabinet 3 is fixed on the support column 2 through bolts, a heat-conducting air pipe 4 is connected to the back plate of the cabinet 1, first air inlets 5 are uniformly distributed on the upper end of the heat-conducting air pipe 4, open-close plates 6 are arranged on the back of the first air inlets 5, the open-close plates 6 are attached to the back of the heat-conducting air pipe 4, four guide screws 7 are installed on the surface of the heat-conducting air pipe 4, guide slots 8 are processed on the open-close plates 6, the guide screws 7 pass through the guide slots 8, and washers and nuts are installed on the guide screws 7 to block the open-close plates 6.

[0016] Second air inlets 9 corresponding to the first air inlets 5 are processed on the open-close plates 6, in this embodiment, the first air inlets 5 and the second air inlets 9 both adopt waist-shaped holes, and the use of the waist-shaped holes can increase the air intake.

[0017] The upper end of the heat-conducting air pipe 4 is connected with a sealing plate 10, the controller 11 is installed on the sealing plate 10, the controller 11 controls the second air inlet hole 9 on the opening-closing plate 6 to coincide with or stagger with the first air inlet hole 5, in the embodiment, the controller 11 adopts a SDO-0415L type push-pull electromagnet, a telescopic pin is arranged in the middle of the electromagnet, a reset spring is sleeved on the telescopic pin, the upper end of the opening-closing plate 6 is bent with a connecting plate 12, a connector 13 is arranged on the connecting plate 12, the end of the telescopic pin is inserted into the connector 13 and is locked through the side fastening screw, the electromagnet is powered through the timer, and the corresponding second air inlet hole 9 of the first air inlet hole 5 is controlled to coincide or stagger.

[0018] The lower end of the heat-conducting air pipe 4 is connected with the bottom plate of the cabinet body 3, the bottom plate of the cabinet body 3 and the surface of the base 1 are provided with a first air outlet 14 and a second air outlet 15 which are communicated with the heat-conducting air pipe, the fan 16 is installed below the second air outlet 15, in the early and late period, the controller 11 controls the second air inlet hole 9 on the opening-closing plate 6 to coincide with the first air inlet hole 5, the fan 16 works, the heat of the upper part of the cabinet body is introduced into the base to keep the base dry, and in the daytime, the controller 11 controls the second air inlet hole 9 on the opening-closing plate 6 to stagger with the first air inlet hole 5, and the heat is discharged from the heat dissipation hole of the cabinet body.

[0019] The utility model is not limited to the embodiment, and the person skilled in the art can still make some corrections or changes without departing from the spirit of the utility model, i.e. the disclosure range, therefore the protection scope of the utility model is the range defined in the claims.

Claims

1. A moisture-proof sheet metal control cabinet of a structure, comprising a base, the inside of the base adopts a hollow structure, a support column is connected in the base, a cabinet body is installed above the base, characterized in that: The rear back plate of the cabinet body is connected with a heat-conducting air pipe, the upper end of the heat-conducting air pipe is uniformly provided with first air inlet holes, the back surface of the first air inlet holes is provided with an opening and closing plate, the opening and closing plate is attached to the back surface of the heat-conducting air pipe, the opening and closing plate is processed with second air inlet holes corresponding to the first air inlet holes, the upper end of the heat-conducting air pipe is connected with a sealing plate, the sealing plate is installed with a controller, the controller controls the second air inlet holes of the opening and closing plate to coincide or stagger with the first air inlet holes, the lower end of the heat-conducting air pipe is connected with the bottom plate of the cabinet body, the bottom plate of the cabinet body and the surface of the base are provided with first air outlet holes and second air outlet holes communicated with the heat-conducting air pipe, and a fan is installed below the second air outlet holes.

2. The moisture-proof sheet metal control cabinet according to claim 1, characterized in that: The controller adopts an electromagnet, the electromagnet is provided with a telescopic pin in the middle, the upper end of the opening and closing plate is bent with a connecting plate, the connecting plate is provided with a joint, and the end of the telescopic pin is connected with the joint.

3. The moisture-proof sheet metal control cabinet according to claim 1, characterized in that: The surface of the heat-conducting air pipe is installed with a guide screw, the opening and closing plate is processed with a guide groove, the guide screw passes through the guide groove, and the guide screw is installed with a gasket and a nut to block the opening and closing plate.

4. The moisture-proof sheet metal control cabinet according to claim 1, characterized in that: The first air inlet holes and the second air inlet holes adopt waist-shaped holes.

5. The moisture-proof sheet metal control cabinet according to claim 1, characterized in that: The support column on the inner periphery of the base is processed with a threaded hole, and the cabinet body is fixed on the support column through bolts.

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