Ventilation and heat dissipation structure of electric control cabinet of sewage treatment plant

Abstract

The utility model relates to the technical field of electric control cabinets, and discloses an electric control cabinet ventilation and heat dissipation structure of a sewage treatment plant, which comprises an electric control cabinet main body, a clamping groove and an air inlet fan main body, a ventilation mechanism is arranged on the electric control cabinet main body, an auxiliary mechanism is arranged on the electric control cabinet main body, and the ventilation mechanism comprises a slot. The inserting groove is formed in the inner wall of the front side of the electric control cabinet body, a U-shaped frame is slidably connected to the inner wall of the inner ring of the inserting groove, a lower filter screen is fixedly connected to the inner wall of the bottom of the U-shaped frame, an upper filter screen is fixedly connected to the inner wall of the top of the U-shaped frame, and an air outlet is formed in the inner wall of the left side of the electric control cabinet body. And the inner wall of the inner ring of the air outlet is slidably connected with a grid cylinder, and the outer wall of the right side of the grid cylinder is fixedly connected with an inner plate. According to the utility model, through the arrangement of the lower filter screen, the inner plate, the grid cylinder and other structures, the problem that internal components fail due to overheating caused by the continuous increase of internal heat when the electric power cabinet runs all the time is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric control cabinet, especially to a sewage treatment plant's electric control cabinet ventilation and heat dissipation structure. BACKGROUND

[0002] The sewage treatment electric control cabinet (or sewage treatment control cabinet) is a complete electrical control device for automatically controlling sewage treatment operation equipment in a sewage treatment plant. It uses automation control and monitoring technology to achieve comprehensive control and management of the sewage treatment process.

[0003] The electric control cabinet system is usually composed of human-computer interface equipment, signal acquisition system, actuator and field instrument, etc. The system collects data in real time through manual input and online, establishes process curves, realizes automatic analysis of the sewage treatment process, and the electric control actuator (such as PLC) receives signals sent by the upper computer, controls the work of the residual sludge pump, reflux pump, fan and other equipment according to a certain program, and the actuator formulates tasks according to process requirements to automatically control the equipment and ensure the smooth progress of the sewage treatment process.

[0004] The electric control cabinet of the sewage treatment plant has the following defects: the electric cabinet fixed on the wall continuously runs to collect and execute instructions, which causes the heat inside the electric cabinet to continuously increase, making the internal components of the electric cabinet in a high-temperature state, and thus causing the internal components to overheat and become unstable or malfunction. Therefore, a sewage treatment plant's electric control cabinet ventilation and heat dissipation structure is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a sewage treatment plant's electric control cabinet ventilation and heat dissipation structure, which aims to improve the problem that the electric cabinet in the prior art continuously runs to collect and execute instruction sending, causing the heat inside the electric cabinet to continuously increase, making the internal components of the electric cabinet in a high-temperature state.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a sewage treatment plant's electric control cabinet ventilation and heat dissipation structure, comprising an electric control cabinet main body, a clamping groove and an air inlet fan main body, wherein the electric control cabinet main body is provided with a ventilation mechanism and an auxiliary mechanism, the ventilation mechanism comprises a slot, the slot is opened in the front inner wall of the electric control cabinet main body, the inner wall of the inner circle of the slot is slidably connected with a U-shaped frame, the bottom inner wall of the U-shaped frame is fixedly connected with a lower filter screen, the top inner wall of the U-shaped frame is fixedly connected with an upper filter screen, the left inner wall of the electric control cabinet main body is provided with an air outlet, the inner wall of the inner circle of the air outlet is slidably connected with a grid cylinder, the right outer wall of the grid cylinder is fixedly connected with an inner plate, the left outer wall of the inner plate is fixedly connected with a compression spring, and the left outer wall of the grid cylinder is fixedly connected with a sealing disc.

[0007] As a further description of the above technical solution: the auxiliary mechanism includes an assembly support, a right side inner wall of the assembly support is slidably connected with an assembly support, a front side outer wall of the assembly support is fixedly connected with a sealing plate, a front side inner wall of the sealing plate is slidably connected with a buckle plate, an L-shaped groove is formed in a front side inner wall of the electric control cabinet body, and a top outer wall of the buckle plate is fixedly connected with an extension spring.

[0008] As a further description of the above technical solution: the lower filter screen is in communication with the air inlet machine body, and the upper filter screen is in communication with the air inlet machine body.

[0009] As a further description of the above technical solution: the outer diameter of the grid cylinder is matched with the inner diameter of the air outlet, and the grid cylinder is slidably connected to the inner wall of the inner ring of the air outlet.

[0010] As a further description of the above technical solution: one end of the compression spring away from the inner plate is fixedly connected to the left side inner wall of the electric control cabinet body, and the sealing disc is attached to the left side outer wall of the electric control cabinet body.

[0011] As a further description of the above technical solution: the top and bottom outer walls of the sealing plate are fixedly connected with frosted pads, and the buckle plate is clamped to the bottom inner wall of the L-shaped groove.

[0012] As a further description of the above technical solution: the side outer wall of the buckle plate is fixedly connected with a wear-resistant pad, and one end of the extension spring away from the buckle plate is fixedly connected to the top inner wall of the sealing plate.

[0013] As a further description of the above technical solution: the clamping groove is formed in the bottom inner wall of the electric control cabinet body, and the air inlet machine body is clamped to the bottom inner wall of the clamping groove.

[0014] The utility model has the following beneficial effects:

[0015] 1、The utility model discloses a lower filter screen, an inner plate, a grid cylinder and other structures are arranged, impurities in air are filtered when the air inlet machine radiates heat, and the air inlet machine is sealed automatically when ventilation and heat dissipation are not needed, the problem that the internal components of the electric power cabinet are overheated and malfunctioned due to the continuous increase of internal heat when the electric power cabinet is always running is solved.

[0016] 2、The utility model discloses a buckle plate, an L-shaped groove and an extension spring are arranged, the internal components of the electric control cabinet can be conveniently removed from the electric control cabinet shell, personnel can be conveniently checked and maintained, and the problem that personnel operation is inconvenient and the maintenance work is difficult due to the narrow and dark space in the electric control cabinet when the internal components of the electric control cabinet need to be maintained is solved. DRAWINGS

[0017] Figure 1The utility model provides a kind of overall main view schematic diagram of ventilation and heat dissipation structure of electric control cabinet of sewage treatment plant is proposed for the utility model;

[0018] Figure 2 The utility model provides a kind of cross section schematic diagram of ventilation and heat dissipation structure of electric control cabinet of sewage treatment plant is proposed for the utility model;

[0019] Figure 3 The utility model provides a kind of ventilation mechanism schematic diagram of ventilation and heat dissipation structure of electric control cabinet of sewage treatment plant is proposed for the utility model;

[0020] Figure 4 The utility model provides a kind of auxiliary mechanism schematic diagram of ventilation and heat dissipation structure of electric control cabinet of sewage treatment plant is proposed for the utility model.

[0021] Legend:

[0022] 1, electric control cabinet main body;2, clamping groove;3, air inlet fan main body;4, ventilation mechanism;41, slot;42, U-shaped frame;43, lower filter screen;44, upper filter screen;45, air outlet;46, grid cylinder;47, inner plate;48, compression spring;49, sealing disc;5, auxiliary mechanism;50, component support;51, sealing plate;52, buckle plate;53, L-shaped slot;54, telescopic spring;55, perspective window. Specific embodiments

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model below, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the utility model.

[0024] Refer to Figure 1 - Figure 3The utility model provides an embodiment: a kind of ventilation and heat dissipation structure of electric control cabinet of sewage treatment plant, including electric control cabinet main body 1, clamping groove 2, air intake machine main body 3, electric control cabinet main body 1 is provided with ventilation mechanism 4, electric control cabinet main body 1 is provided with auxiliary mechanism 5, ventilation mechanism 4 includes slot 41, slot 41 is opened in the front side inner wall of electric control cabinet main body 1, the inner circle inner wall of slot 41 is slidably connected with U-shaped frame 42, the bottom inner wall of U-shaped frame 42 is fixedly connected with lower filter screen 43, and the impurities in the air inhaled by outside are filtered by setting lower filter screen 43, the top inner wall of U-shaped frame 42 is fixedly connected with upper filter screen 44, the left side inner wall of electric control cabinet main body 1 is opened with air outlet 45, the inner circle inner wall of air outlet 45 is slidably connected with grid cylinder 46, the right side outer wall of grid cylinder 46 is fixedly connected with inner plate 47, the left side outer wall of inner plate 47 is fixedly connected with compression spring 48, and the continuous thrust is generated to inner plate 47 by setting compression spring 48, the left side outer wall of grid cylinder 46 is fixedly connected with sealing disc 49.

[0025] Refer to Figure 2 - Figure 4 , lower filter screen 43 is connected with air intake machine main body 3, upper filter screen 44 is connected with air intake machine main body 3, the outer diameter of grid cylinder 46 is compatible with the inner diameter of air outlet 45, and grid cylinder 46 is slidably connected in the inner circle inner wall of air outlet 45, the air inside electric control cabinet main body 1 is discharged by setting grid cylinder 46, one end of compression spring 48 away from inner plate 47 is fixedly connected in the left side inner wall of electric control cabinet main body 1, sealing disc 49 is attachedly connected in the left side outer wall of electric control cabinet main body 1, clamping groove 2 is opened in the bottom inner wall of electric control cabinet main body 1, and air intake machine main body 3 is clamped in the bottom inner wall of clamping groove 2.

[0026] Refer to Figure 3 - Figure 4 , auxiliary mechanism 5 includes component support 50, the right side inner wall of component support 50 is slidably connected with component support 50, the front side outer wall of component support 50 is fixedly connected with sealing plate 51, the front side inner wall of sealing plate 51 is slidably connected with buckle plate 52, the front side inner wall of electric control cabinet main body 1 is opened with L-shaped slot 53, and L-shaped slot 53 is set to facilitate the clamping and fixing and separation of buckle plate 52, the top outer wall of buckle plate 52 is fixedly connected with telescopic spring 54, the top and bottom two sides outer walls of sealing plate 51 are fixedly connected with frosted pad, buckle plate 52 is clamped in the bottom inner wall of L-shaped slot 53, the side outer wall of buckle plate 52 is fixedly connected with wear pad, one end of telescopic spring 54 away from buckle plate 52 is fixedly connected in the top inner wall of sealing plate 51, and the continuous thrust is generated to buckle plate 52 by setting telescopic spring 54, the front side inner wall of sealing plate 51 is fixedly connected with perspective window 55.

[0027] Working principle: when the inside of the electric control cabinet installed on the wall needs to be ventilated, the outside cold air is sucked into the electric control cabinet body 1 by opening the air inlet fan body 3, so that the outside air is filtered by the lower filter screen 43, and then the air blown by the air inlet fan body 3 is filtered again by the upper filter screen 44 to prevent impurities from entering the electric control cabinet body 1 and causing pollution and abnormality of the internal components. At the same time, after the outside air enters the inside, the inside air expands and pushes the extruded inner plate 47 to move, so that the grid cylinder 46 extends outside the air outlet 45 to discharge the inside air. When not ventilated, the inner plate 47 is moved by the compression spring 48, and the inner plate 47 drives the grid cylinder 46 to move. When the grid cylinder 46 moves, the sealing disc 49 moves, so that the sealing disc 49 is attached to the outside of the electric control cabinet body 1 to seal, preventing external impurities from polluting the grid cylinder 46 or entering the inside of the electric control cabinet body 1. At the same time, when the personnel need to overhaul the inside, the L-shaped groove 53 is separated by lifting the buckle plate 52, and then the sealing plate 51 is moved outward by pulling the buckle plate 52, and the component support 50 is moved to the outside of the electric control cabinet body 1, which facilitates the personnel to maintain the internal components of the electric control cabinet.

[0028] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A ventilation and heat dissipation structure for an electrical control cabinet in a wastewater treatment plant, comprising an electrical control cabinet body (1), a card slot (2), and an air intake fan body (3), characterized in that: The main body (1) of the electrical control cabinet is provided with a ventilation mechanism (4) and an auxiliary mechanism (5). The ventilation mechanism (4) includes a slot (41). The slot (41) is opened on the front inner wall of the main body (1). A U-shaped frame (42) is slidably connected to the inner wall of the inner ring of the slot (41). A lower filter screen (43) is fixedly connected to the bottom inner wall of the U-shaped frame (42). An upper filter screen (44) is fixedly connected to the top inner wall of the U-shaped frame (42). An air outlet (45) is opened on the left inner wall of the main body (1). A mesh cylinder (46) is slidably connected to the inner wall of the air outlet (45). An inner plate (47) is fixedly connected to the right outer wall of the mesh cylinder (46). A compression spring (48) is fixedly connected to the left outer wall of the inner plate (47). A sealing plate (49) is fixedly connected to the left outer wall of the mesh cylinder (46).

2. The ventilation and heat dissipation structure for the electrical control cabinet of a sewage treatment plant according to claim 1, characterized in that: The auxiliary mechanism (5) includes a component bracket (50), which is slidably connected to the inner right side of the component bracket (50). A sealing plate (51) is fixedly connected to the outer front side of the component bracket (50), and a buckle plate (52) is slidably connected to the inner front side of the sealing plate (51). An L-shaped groove (53) is opened on the inner front side of the main body (1) of the electrical control cabinet, and a telescopic spring (54) is fixedly connected to the outer top of the buckle plate (52).

3. The ventilation and heat dissipation structure for the electrical control cabinet of a sewage treatment plant according to claim 1, characterized in that: The lower filter (43) is connected to the main body (3) of the air inlet fan, and the upper filter (44) is connected to the main body (3) of the air inlet fan.

4. The ventilation and heat dissipation structure for the electrical control cabinet of a sewage treatment plant according to claim 1, characterized in that: The outer diameter of the mesh cylinder (46) is adapted to the inner diameter of the air outlet (45), and the mesh cylinder (46) is slidably connected to the inner wall of the inner ring of the air outlet (45).

5. The ventilation and heat dissipation structure for the electrical control cabinet of a sewage treatment plant according to claim 1, characterized in that: The end of the compression spring (48) away from the inner plate (47) is fixedly connected to the left inner wall of the main body (1) of the electrical control cabinet, and the sealing plate (49) is attached to the left outer wall of the main body (1) of the electrical control cabinet.

6. The ventilation and heat dissipation structure for the electrical control cabinet of a sewage treatment plant according to claim 2, characterized in that: The sealing plate (51) has frosted pads fixedly connected to the outer walls of its top and bottom sides, and the buckle plate (52) is snapped into the bottom inner wall of the L-shaped groove (53).

7. The ventilation and heat dissipation structure for the electrical control cabinet of a sewage treatment plant according to claim 2, characterized in that: A wear-resistant pad is fixedly connected to the outer side wall of the buckle plate (52), and the end of the telescopic spring (54) away from the buckle plate (52) is fixedly connected to the top inner wall of the sealing plate (51).

8. The ventilation and heat dissipation structure for the electrical control cabinet of a sewage treatment plant according to claim 1, characterized in that: The slot (2) is located on the bottom inner wall of the main body (1) of the electrical control cabinet, and the main body (3) of the air intake fan is engaged with the bottom inner wall of the slot (2).

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