CN209767980U - an electric control cabinet - Google Patents

Abstract

This utility model discloses an electrical control cabinet, including a cabinet shell with a metal shielding layer inside. The shell has a mounting cavity, within which are a first partition and a second partition. The first partition abuts against the second partition, dividing the mounting cavity into an upper mounting cavity and a lower mounting cavity. The second partition is vertically installed in the lower mounting cavity and further divides it into a front lower mounting cavity and a rear lower mounting cavity. A control cabinet is housed in the upper mounting cavity, movably resting on the first partition. Low-voltage and high-voltage electrical equipment are respectively installed in the front and rear lower mounting cavities. This electrical control cabinet structure effectively overcomes the defect of mutual electromagnetic interference generated by the electrical equipment inside existing electrical control cabinets during operation.

Description

an electric control cabinet

technical field

The utility model relates to the technical field of control equipment, in particular to an electric control cabinet.

Background technique

With the continuous development of the high-power electrical industry, as an important part of electrical equipment, the overall size of the electric control cabinet is developing towards miniaturization, so that the power circuits and control circuits of many electrical equipment are installed in a closed cabinet in vivo. The magnetic field generated during the working process of the power loop will interfere with the normal operation of the control loop. At the same time, the magnetic field will also interfere with the working components in the power loop. These interferences will cause the electrical system to report a fault and stop, and cause control errors in severe cases. electrical equipment, causing significant equipment damage. Therefore, how to improve the anti-interference ability of the control cabinet and avoid the adverse effects of electromagnetic interference on the performance of the electric control cabinet, not only ensure that the electromagnetic interference in the equipment operating environment affects it within a certain range, but also ensure that the electromagnetic interference of the equipment on the working environment Having a certain resistance is the problem to be solved by the present invention.

Contents of the invention

In order to overcome the deficiencies of the prior art, the purpose of this utility model is to provide an electric control cabinet, which can effectively overcome the defect that the electrical equipment inside the existing electric control cabinet will generate mutual electromagnetic interference during operation.

In order to achieve the above object, the utility model adopts the following technical solutions:

An electric control cabinet, comprising an electric control cabinet housing, a metal shielding layer is provided in the housing, an installation cavity is provided in the housing, a first partition and a second partition are provided in the installation cavity, the The first partition abuts against the second partition, the first partition divides the installation chamber into an upper installation chamber and a lower installation chamber, and the second partition is vertically installed in the lower installation chamber inside, and divide the lower installation cavity into a front lower installation cavity and a rear lower installation cavity; a control cabinet is arranged in the upper installation cavity, and the control cabinet is movably placed on the first partition, and the front Weak current equipment and strong current equipment are respectively installed in the lower installation chamber and the rear lower installation chamber.

Further, a third partition is provided in the lower installation cavity, and the third partition is arranged parallel to the second partition and abuts against the first partition.

Further, both ends of the second partition and the third partition are fixedly installed on both sides of the electric control cabinet housing, and the second partition and the third partition are provided with main Components are mounted on insulating boards.

Further, the two ends of the second partition and the third partition are fixed with slide grooves, and the corresponding positions of the electric control cabinet housing are provided with protrusions matching the shape and size of the slide grooves , the chute is slidably connected with the protrusion.

Further, the second partition on the side of the rear lower installation cavity is fixedly installed with a plug socket communicating with the weak current equipment, and the plug socket is marked with a number for distinguishing the socket.

Further, a display screen is provided on the outer surface of the electric control cabinet housing.

Further, the outer surface of the electric control cabinet housing is provided with an accommodating cavity for placing items, and the accommodating cavity is hinged to the electric control cabinet housing and is located below the display screen.

Further, the first partition is provided with a ventilation hole communicating the upper installation chamber and the lower installation chamber.

Further, an air inlet is provided on the left side panel of the electric control cabinet housing, and the air inlet corresponds to the position of the lower installation cavity of the electric control cabinet housing.

Further, an air outlet is provided on the right side panel of the electric control cabinet housing, and the air outlet corresponds to the position of the upper installation cavity of the electric control cabinet housing.

Compared with the prior art, the utility model has the beneficial effect that: the first partition and the second partition arranged in the electric control cabinet divide the installation cavity of the electric control cabinet into three independent spaces, which can effectively block the The mutual electromagnetic interference between the control equipment and power equipment in the electric control cabinet enables the equipment in the electric control cabinet to work normally; at the same time, there is a metal shielding layer inside the electric control cabinet shell, which can block the electromagnetic interference of the electric control cabinet to other external equipment.

Description of drawings

Fig. 1 is the left side view of electric control cabinet internal structure in the utility model embodiment;

Fig. 2 is the right view of the internal structure of the electric control cabinet in the embodiment of the utility model;

Fig. 3 is a front view of the overall structure of the electric control cabinet in the embodiment of the utility model.

In the attached drawings: 10, electric control cabinet shell; 11, upper installation chamber; 12, front and lower installation chamber; 13, rear and lower installation chamber; 14, air inlet; 15, air outlet; 20, first partition; 21 , spacer; 22, control cabinet; 221, industrial computer; 222, light source controller; 30, second partition; 40, third partition; 41, plug seat; 42, second chute; 50, display screen ; 60, accommodating cavity; 70, universal wheels.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

In the present invention, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more features.

In the present utility model, the terms "left", "right", "front", and "rear" are defined and described relative to the position of the front view of the electric control cabinet.

As shown in Figure 1, the utility model provides an electric control cabinet, including an electric control cabinet housing 10, each inner surface of the electric control cabinet housing 10 is provided with a metal shielding layer, which can effectively block the electric control cabinet from other The impact of electromagnetic interference generated by external equipment. There is an installation cavity inside the electric control cabinet housing 10, and a first partition 20 and a second partition 30 are arranged in the installation cavity. The first partition 20 abuts against the second partition 30, and the first partition 20 connects the installation cavity Divided into an upper installation cavity 11 and a lower installation cavity, the second partition 30 is installed vertically in the lower installation cavity, and divides the lower installation cavity into a front lower installation cavity 12 and a rear lower installation cavity 13; the upper installation cavity 11 is provided with The control cabinet 22 is movably placed on the first partition 20, and the front lower installation cavity 12 and the rear lower installation cavity 13 are respectively installed with weak current equipment and strong current equipment.

Both sides of the electric control cabinet housing 10 are respectively provided with a first chute, and the first partition 20 is horizontally arranged in the first chute, and divides the installation cavity into an upper installation cavity 11 and a lower installation cavity. The first partition 20 is provided with a ventilation hole connecting the upper installation cavity 11 and the lower installation cavity, so that the heat generated by the control cabinet 22 is directly dissipated into the air through the ventilation holes, reducing the heat of the control cabinet 22 itself, and there is no need in the electric control cabinet. The cooling fan is then installed to reduce cost and space occupation.

As shown in Figure 2, the control cabinet 22 includes an industrial computer 221 and a light source controller 222, the light source controller 222 lower end is provided with a spacer 21, the length of the spacer 21 can be set according to the length, and the spacer 21 is fixedly installed on the On the first partition 20, it is convenient to separate the control cabinet 22 from the first partition 20, so that the heat at the bottom of the control cabinet 22 can be dissipated more easily. The spacer 21 can be arranged at the bottom of the industrial computer 221 and the light source controller 222 at the same time, or only at the bottom of the light source controller 222 . In this embodiment, the spacers 21 are installed at the lower end of the light source controller 222, and there are two spacers 21.

A third partition 40 is also provided in the lower installation cavity, and the third partition 40 is arranged parallel to the second partition 30 and abuts against the first partition 20 . The two ends of the second partition 30 and the third partition 40 are fixedly installed on both sides of the electric control cabinet housing 10, the structural strength of the electric control cabinet is increased by setting the second partition 30 and the third partition 40, and at the same time It can shield electromagnetic interference more effectively, so that the equipment in the electric control cabinet can work normally.

The two ends of the second dividing plate 30 and the third dividing plate 40 are fixed with a second chute 42, and the second chute 42 is clamped between the second dividing plate 30 and the third dividing plate 40, and the second dividing plate 30 and the third dividing plate 40 The third partition 40 is provided with a first installation hole, and the second chute 42 corresponding to the position of the first installation hole is provided with a second installation hole, and the second partition 30, the third partition 40 and the second partition 40 are connected by pins. The second chute 42 is fixedly connected. At the corresponding positions on the left and right sides of the electric control cabinet housing 10 are provided protrusions that match the shape and size of the second sliding groove 42 , and the second sliding groove 42 is slidably connected with the protrusions.

The second baffle 30 and the third baffle 40 are provided with the main component installation insulation board, and the third baffle 40 is fixedly installed on the side facing the rear lower installation cavity 13 with a plug socket 41 communicating with weak current equipment. The plug socket 41 Labels are marked on it to distinguish the sockets, which are used for quick plug-in and conduction with components such as the power supply of the heavy-duty part.

One end of the front shell of the electric control cabinet is hinged with the side panel, and the other end of the front shell of the electric control cabinet can be pulled to open the front shell to check the working conditions or maintenance in the electric control cabinet. One end of the rear shell of the electric control cabinet is hinged with the side panel, and the other end of the rear shell of the electric control cabinet can be pulled to open the rear shell to check the working conditions or maintenance in the electric control cabinet. A storage box is fixedly installed in the rear shell of the electric control cabinet for storing various materials.

As shown in FIG. 3 , a display screen 50 is provided on the outer surface of the front case. The display screen 50 can be a touch panel, which can receive input signals such as contacts and an inductive liquid crystal display device. When a graphic button on the screen is touched, the tactile feedback system on the screen can drive various connection devices according to a pre-programmed program. It can be used to replace the mechanical button panel, and the vivid audio-visual effect can be produced by the liquid crystal display screen. The touch panel can bring users a better experience, is easy to operate, and can realize human-computer interaction.

The front panel of the electric control cabinet housing 10 is provided with an accommodating cavity 60 for placing items. The accommodating cavity 60 is hinged to the electric control cabinet housing 10 and is located below the display screen 50 . The lower end of the accommodating chamber 60 is protruded with a bump, and the electric control cabinet housing 10 in contact with the upper end of the accommodating chamber 60 is provided with a magnet, and the electric control cabinet housing 10 in contact with the lower end of the accommodating chamber 60 is provided with a convex block. The through hole matched with the block, the metal accommodation cavity 60 is attracted to the magnet so that the accommodation cavity 60 is in a closed state.

An air outlet 15 is provided on either the left or right side panel of the electric control cabinet housing 10. Usually, no other structures are arranged on the side of the electric control cabinet housing 10, so the exhausted hot air flow will not affect other structures. . Usually, the side external space of the electric control cabinet housing 10 is relatively large, so that the heat dissipation is good. In this embodiment, the air outlet 15 is arranged on the right side panel, the air outlet 15 is located at the upper end of the electric control cabinet, and the air outlet 15 corresponds to the position of the upper installation cavity 11 of the electric control cabinet housing 10 .

The electric control cabinet housing 10 on the opposite side to the air outlet 15 is provided with an air inlet 14. The air inlet 14 is used to introduce the air flow with a lower temperature into the electric control cabinet housing 10. The air inlet 14 is located in the electric control cabinet. and corresponding to the position of the lower installation cavity of the electric control cabinet housing 10. In this embodiment, the air inlet 14 is arranged on the right side panel.

Universal wheels 70 are installed on the bottom of the electric control cabinet, and the electric control cabinet and the ground become rolling friction, which can push the electric control cabinet more conveniently, reduces the wear and tear of the electric control cabinet, and prevents the shaking of the equipment in the electric control cabinet .

The above-mentioned embodiment only expresses the implementation manner of the utility model, and its description is relatively specific and detailed, but it should not be interpreted as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (10)

1. An electric control cabinet is characterized in that: the electric cabinet comprises an electric cabinet shell, wherein a metal shielding layer is arranged in the shell, an installation cavity is formed in the shell, a first partition plate and a second partition plate are arranged in the installation cavity, the first partition plate is abutted against the second partition plate, the first partition plate divides the installation cavity into an upper installation cavity and a lower installation cavity, the second partition plate is vertically installed in the lower installation cavity, and the lower installation cavity is divided into a front lower installation cavity and a rear lower installation cavity; a control cabinet is arranged in the upper mounting cavity, the control cabinet is movably placed on the first partition plate, and weak current equipment and strong current equipment are respectively installed in the front lower mounting cavity and the rear lower mounting cavity.

2. The electrical control cabinet of claim 1, wherein: and a third partition plate is further arranged in the lower mounting cavity, is arranged in parallel with the second partition plate and is abutted against the first partition plate.

3. The electrical control cabinet of claim 2, wherein: the two ends of the second partition plate and the third partition plate are fixedly arranged on the two sides of the shell of the electric control cabinet, and the second partition plate and the third partition plate are provided with main component mounting insulation plates.

4. The electrical control cabinet of claim 3, wherein: sliding grooves are fixed at two ends of the second partition plate and the third partition plate, protruding blocks matched with the sliding grooves in shape and size are arranged at corresponding positions of the shell of the electric control cabinet, and the sliding grooves are connected with the protruding blocks in a sliding mode.

5. The electrical control cabinet of claim 1, wherein: and a plug seat communicated with the weak current equipment is fixedly installed on the second partition plate on one side of the rear lower installation cavity, and a mark for distinguishing a socket is marked on the plug seat.

6. The electrical control cabinet of claim 1, wherein: and a display screen is arranged on the outer surface of the shell of the electric control cabinet.

7. The electrical control cabinet of claim 6, wherein: the outer surface of the electric control cabinet shell is provided with a containing cavity for containing articles, and the containing cavity is hinged with the electric control cabinet shell and located below the display screen.

8. The electrical control cabinet of claim 1, wherein: and the first partition plate is provided with a ventilation hole which is communicated with the upper installation cavity and the lower installation cavity.

9. The electrical control cabinet of claim 1, wherein: an air inlet is formed in the left side panel of the electric control cabinet shell, and the air inlet corresponds to the lower installation cavity of the electric control cabinet shell.

10. The electrical control cabinet of claim 1, wherein: an air outlet is formed in the right side panel of the electric control cabinet shell and corresponds to the upper installation cavity of the electric control cabinet shell.