Distribution box for electrical engineering automation

Abstract

The utility model provides a distribution box for electrical engineering automation, which relates to the field of electrical engineering automation and comprises a distribution box body. Two distribution box doors are symmetrically hinged to the front side of the distribution box body, lock catches are fixedly installed on the front sides of the distribution box doors, two cooling fans are symmetrically installed in the top end face of the distribution box body, a dust cover is inserted into the top of the distribution box body, and an installation clamping plate is fixedly connected to the rear wall in the distribution box body. The rear side wall in the distribution box body is vertically connected with the guide plate to form an air duct and air dissipation structure, the air flow direction is optimized, heat dissipation is enhanced, the installation clamping plate is fixed to the guide plate through bolts, and the round hole in the front side wall facilitates modular installation and replacement of electrical elements, improves the assembly efficiency and assists in heat dissipation. The problems that installation is easy to loosen, components are damaged due to vibration conduction, heat dissipation dead angles are large, a dustproof structure is inconvenient to disassemble and assemble, and electrical components are slow to assemble are solved.

Description

Technical Field

[0001] This utility model relates to the field of electrical engineering automation technology, and in particular to a distribution box for electrical engineering automation. Background Technology

[0002] In the field of electrical engineering automation, distribution boxes occupy a pivotal position and are an indispensable and important piece of equipment in the power system. Their core function focuses on the precise distribution and efficient control of power. Through a precise internal circuit layout and intelligent control system, they rationally distribute electrical energy from the upstream power source to various power terminals. Existing distribution boxes for electrical engineering automation have problems such as concentrated bolt stress during installation, which can easily wear and loosen; lack of buffering, which can easily transmit external vibrations to the components inside the box and damage them; simple internal air duct design and unreasonable airflow organization, which can cause heat dissipation dead zones and poor heat dissipation of middle and lower layer components; inconvenient disassembly and assembly of dustproof structures; and slow assembly of electrical components. Utility Model Content

[0003] This utility model relates to a distribution box for electrical engineering automation, in order to solve the problems mentioned in the background art of traditional distribution boxes, such as easy loosening during installation, vibration transmission damage to components, many heat dissipation dead corners, inconvenient disassembly and assembly of dustproof structures, and slow assembly of electrical components.

[0004] This utility model provides a distribution box for electrical engineering automation, specifically including: a distribution box body; two distribution box doors are symmetrically hinged to the front side of the distribution box body, and a lock is fixedly installed on the front side of the distribution box door; two cooling fans are symmetrically installed on the top end face of the distribution box body; a dust cover is inserted into the top of the distribution box body; and an installation plate is fixedly connected to the inner rear wall of the distribution box body.

[0005] Furthermore, the top end face of the distribution box is symmetrically provided with two sets of fixing slots, with three fixing slots in each set distributed around the circular hole opened on the top end face of the distribution box. Four trapezoidal fixing protrusions are fixedly connected in a rectangular array on the rear side wall of the distribution box. A rubber pad is installed in the middle of the rear side wall of the fixing protrusions, and the fixing protrusions are fixed by bolts and mounting surfaces.

[0006] Furthermore, two locking magnetic plates are symmetrically arranged on the top of the rear side wall inside the distribution box. Five vertical connecting guide plates are fixedly installed on the rear side wall of the distribution box below the locking magnetic plates. The lower side of all connecting guide plates is cut off by a horizontal plate, and the front side of the connecting guide plates is fixedly connected to the mounting plate by connecting bolts.

[0007] Furthermore, an arc-shaped air guide plate is fixedly connected to the bottom front side of the cooling fan. The air guide plate has an inclination angle of 60 degrees and faces the inner rear side wall of the power distribution box.

[0008] Furthermore, a horizontal filter plate is installed in the middle of the interior of the dust cover. Two fixing blocks are symmetrically arranged on the front and rear sides of the bottom of the dust cover, and two fixing blocks are symmetrically arranged on the left and right sides of the bottom of the dust cover. The fixing blocks are inserted into the fixing slots opened on the top of the distribution box. A fixing rod is inserted into the fixing block at the bottom of the fixing slot on the front side of the bottom of the dust cover. A fixing magnetic rod is inserted into the fixing block at the bottom of the fixing slot on the rear side of the bottom of the dust cover. The rear end of the fixing magnetic rod is inserted into the locking magnetic plate at the top of the rear side inside the distribution box.

[0009] Furthermore, the front sidewall of the mounting plate is divided into four parts, and each part has round holes at equal intervals.

[0010] This utility model provides a distribution box for electrical engineering automation, which has the following advantages:

[0011] 1. The enclosure is fixed to the mounting surface by bolts and a fixing protrusion on the rear side wall, along with rubber pads. The trapezoidal fixing protrusion distributes the force on the bolts, preventing the mounting holes from loosening due to wear over time. The elastic cushioning of the rubber pads reduces the hard contact between the mounting surface and the enclosure, lowering the transmission of external vibrations into the enclosure and protecting internal components. Vertical connecting guide plates are installed at equal intervals on the rear side wall inside the distribution box, forming air ducts between them. The horizontal plates on the lower side of the connecting guide plates provide lateral support and create a ventilation structure, changing the airflow direction and better dissipating heat from the electrical components connected to the mounting plates. The mounting plates are fixed to the connecting guide plates with connecting bolts for easy assembly and disassembly. The equally spaced circular holes on the front side wall provide better positions for electrical component installation, improving assembly efficiency and supporting modular quick installation and replacement. The circular holes also provide better airflow for heat dissipation of electrical components.

[0012] 2. The air guide plate at the bottom front of the cooling fan directs airflow to the rear wall of the enclosure, forcing airflow through areas with dense electrical components, improving heat exchange efficiency, reducing dead airflow angles, and balancing airflow coverage and air pressure at a 60-degree angle. This prevents airflow from directly impacting components and stirring up dust, while ensuring effective heat dissipation for components in the middle and lower layers. The dust cover is quickly installed by using a fixing block that engages with a fixing slot on the top of the enclosure, avoiding the loosening caused by vibration in traditional snap-on structures. The magnetic attraction between the fixing rod and the locking magnetic plate allows for tool-free quick installation on the rear side, and also allows for minor thermal expansion and contraction, preventing stress damage to rigid metal connections due to temperature differences. The mesh structure on the top and four side walls ensures airflow, and the internal horizontal filter plate provides secondary filtration, reducing the amount of debris entering the enclosure. Attached Figure Description

[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly described below.

[0014] The accompanying drawings described below are only related to some embodiments of the present invention and are not intended to limit the scope of the present invention.

[0015] In the attached diagram:

[0016] Figure 1 This is a schematic diagram of the opening structure of the distribution box door of this utility model;

[0017] Figure 2 This is a schematic diagram of the rear structure of the power distribution box of this utility model;

[0018] Figure 3 This is a schematic diagram of the overall disassembled structure of this utility model;

[0019] Figure 4 This is a bottom view of the bottom structure of the power distribution box of this utility model;

[0020] Figure 5 This is a schematic diagram of the cross-sectional structure of the distribution box of this utility model;

[0021] Figure 6 This is a schematic diagram showing the disassembled structure of the power distribution box and dust cover of this utility model.

[0022] In the diagram, the correspondence between component names and drawing numbers is as follows:

[0023] 1. Distribution box body; 101. Fixing slot; 102. Fixing protrusion; 103. Rubber pad; 104. Locking magnetic plate; 105. Connecting guide plate; 2. Connecting bolt; 3. Cooling fan; 301. Air guide plate; 4. Dust cover; 401. Fixing plug block; 5. Fixing plug rod; 6. Fixing magnetic rod; 7. Mounting plate; 8. Distribution box door. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the described embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0025] Example 1: As shown in the attached document Figure 1 To be continued Figure 6 As shown:

[0026] This utility model provides a distribution box for electrical engineering automation, comprising: a distribution box body 1, two distribution box doors 8 symmetrically hinged to the front side of the distribution box body 1, a latch fixedly installed on the front side of the distribution box door 8, two cooling fans 3 symmetrically installed on the top end face of the distribution box body 1, a dust cover 4 inserted into the top of the distribution box body 1, a mounting plate 7 fixedly connected to the inner rear wall of the distribution box body 1, two sets of fixing slots 101 symmetrically opened on the top end face of the distribution box body 1, three fixing slots 101 in each set distributed around a circular hole opened on the top end face of the distribution box body 1, and four trapezoidal fixing protrusions 102 fixedly connected in a rectangular array on the rear side wall of the distribution box body 1, with a rubber pad 103 installed in the middle of the rear side wall of the fixing protrusions 102. The fixed rear protrusion 102 is fixed to the mounting surface by bolts. Specifically, it achieves double-door sealing by using two symmetrically hinged distribution box doors 8 on the front side of the distribution box 1 with a latch. Compared with the single-door structure, it increases the operating space, facilitates the simultaneous maintenance of multiple electrical components, and improves maintenance efficiency. The fixed rear protrusion 102 and the rubber pad 103 on the rear side wall of the distribution box 1 are used to fix the distribution box 1 to the mounting surface by bolts and the rubber pad 103. The fixed rear protrusion 102 rigidly connects the box to the wall or bracket. The mechanical distribution of the trapezoidal structure can disperse the force on the bolts and prevent the mounting holes from wearing and loosening due to long-term use. The rubber pad 103 reduces the hard contact between the mounting surface and the box through elastic buffering, reduces the amplitude of external vibration transmitted into the box, and protects the internal components.

[0027] The distribution box 1 has two symmetrically arranged locking magnetic plates 104 on the top of its internal rear side wall. Five vertical connecting guide plates 105 are fixedly installed on the rear side wall of the distribution box 1 below the locking magnetic plates 104. The lower side of all connecting guide plates 105 is cut off by a horizontal plate. A mounting plate 7 is fixedly connected to the front side of each connecting guide plate 105 by connecting bolts 2. The front side wall of the mounting plate 7 is divided into four parts, each with equally spaced circular holes. Specifically, by installing the vertical connecting guide plates 105 at equal intervals on the internal rear side wall of the distribution box 1, the connecting guide plates 105 form air ducts with each other, and the connecting guide plates... The lower horizontal plate of the guide plate 105 forms a lateral support and a ventilation structure, changing the airflow direction to better dissipate heat from the electrical components connected to the mounting plate 7 and reduce the temperature. The mounting plate 7 is fixed to the connecting guide plate 105 by the connecting bolts 2, which facilitates the disassembly and assembly of the mounting plate 7. The front side wall of the mounting plate 7 has evenly spaced round holes in its four sections. These round holes provide better installation positions for mounting brackets or bases for fixing electrical components. The hole design on the mounting plate 7 will greatly improve the assembly efficiency of electrical components and support modular quick installation and replacement.

[0028] Among them, the bottom front side of the cooling fan 3 is fixedly connected to an arc-shaped air guide plate 301. The air guide plate 301 is tilted at a 60-degree angle and faces the inner rear side wall of the distribution box 1. Specifically, the air blown out by the cooling fan 3 is directed to the rear side wall of the box through the air guide plate 301, forcing the air to flow through the dense area of ​​electrical components, improving the heat exchange efficiency. Compared with vertical air supply, it can reduce the dead angle of airflow. The 60-degree tilt angle of the air guide plate 301 balances the airflow coverage and wind pressure, which not only avoids the airflow directly impacting the components and causing dust to be stirred up, but also ensures the heat dissipation effect of the middle and lower layer components.

[0029] The dust cover 4 has a horizontal filter plate installed in the middle of its interior. Two fixing blocks 401 are symmetrically arranged on the front and rear sides of the bottom of the dust cover 4, and two fixing blocks 401 are symmetrically arranged on the left and right sides of the bottom of the dust cover 4. The fixing blocks 401 are inserted into the fixing slots 101 at the top of the distribution box 1. A fixing rod 5 is inserted into the fixing block 401 at the bottom of the fixing slot 101 on the front side of the bottom of the dust cover 4. A fixing magnetic rod 6 is inserted into the fixing block 401 at the bottom of the fixing slot 101 on the rear side of the bottom of the dust cover 4. The rear end of the fixing magnetic rod 6 is inserted into the locking magnetic plate 104 at the top rear side inside the distribution box 1. Specifically, the fixing blocks 401 at the bottom of the dust cover 4 and the fixing slots 101 at the top of the box 1 function as a locking magnetic plate. 1. Precise fit enables rapid positioning and installation of the dust cover 4, avoiding the problem of loosening due to vibration in traditional snap-fit ​​structures. The fixing rod 5 and fixing magnetic rod 6 are inserted into the fixing slot 101 from front to back and are tightly attached to the inner wall of the distribution box 1. The fixing magnetic rod 6 is inserted into the locking magnetic plate 104, and the magnetic attraction enables tool-free rapid installation from the rear. At the same time, it allows for slight thermal expansion and contraction deformation, avoiding stress damage to the metal rigid connection caused by temperature difference. The top and four side walls of the dust cover 4 are all mesh structures, which can provide a large air circulation range, thereby ensuring the heat dissipation requirements of the electrical components inside the distribution box 1. The horizontal filter plate in the middle of the dust cover 4 can perform secondary filtration, thereby reducing the amount of debris entering the distribution box 1.

[0030] The specific usage and function of this embodiment are as follows:

[0031] When using this electrical engineering automation distribution box, first fix the distribution box body 1 to the mounting surface with bolts by fixing the rear protrusion 102 and rubber pad 103. Then, insert the fixing block 401 of the dust cover 4 into the fixing slot 101 at the top of the box. Fix the fixing block 401 at the bottom front of the dust cover 4 with the fixing rod 5. Then fix the fixing block 401 at the bottom rear of the dust cover 4 with the fixing magnetic rod 6 and the locking magnetic plate 104. When installing electrical components, fix the mounting plate 7 on the connecting guide plate 105 by connecting bolts 2. Install the components and complete the wiring connection by using the round hole of the plate. Then, guide the airflow blown out by the air guide plate 301 of the cooling fan 3 to the rear side wall of the box, forcing the air to flow through the dense area of ​​electrical components and improving the heat exchange efficiency. Example

[0032] By adding a temperature sensor module inside the power distribution box 1 and installing it in the middle of the mounting plate 7, and electrically connecting it to the top cooling fan 3, a PWM speed controller is connected in series in the power circuit of the cooling fan 3, and a manual speed control knob is set on the outside of the box. The operation of the cooling fan 3 is controlled by the temperature sensor module, and the cooling power is forcibly increased in special scenarios by manually controlling the speed control knob to avoid overheating of components.

Claims

1. A distribution box for electrical engineering automation, characterized in that, The distribution box includes a distribution box (1); the front side of the distribution box (1) is symmetrically hinged with two distribution box doors (8), the front side of the distribution box doors (8) is fixedly installed with a latch, the top end face of the distribution box (1) is symmetrically installed with two cooling fans (3), the top of the distribution box (1) is inserted with a dust cover (4), and the inner rear wall of the distribution box (1) is fixedly connected with an installation plate (7).

2. The distribution box for electrical engineering automation according to claim 1, characterized in that, The top end face of the distribution box (1) is symmetrically provided with two sets of fixing slots (101). Each set of three fixing slots (101) is distributed around the round hole opened on the top end face of the distribution box (1). Four trapezoidal fixing protrusions (102) are fixedly connected in a rectangular array on the rear side wall of the distribution box (1). A rubber pad (103) is installed in the middle of the rear side wall of the fixing protrusions (102). The fixing protrusions (102) are fixed by bolts and mounting surfaces.

3. A distribution box for electrical engineering automation according to claim 1, characterized in that, The top of the rear side wall of the power distribution box (1) is symmetrically provided with two locking magnetic plates (104). Five vertical connecting guide plates (105) are fixedly installed on the rear side wall of the power distribution box (1) below the locking magnetic plates (104). The lower side of all connecting guide plates (105) is cut off by a horizontal plate. The front side of the connecting guide plate (105) is fixedly connected to the mounting plate (7) by connecting bolts (2).

4. A distribution box for electrical engineering automation according to claim 1, characterized in that, The bottom front side of the cooling fan (3) is fixedly connected to an arc-shaped air guide plate (301), the air guide plate (301) is tilted at an angle of sixty degrees and faces the inner rear side wall of the power distribution box (1).

5. A distribution box for electrical engineering automation according to claim 1, characterized in that, A horizontal filter plate is installed in the middle of the interior of the dust cover (4). Two fixing blocks (401) are symmetrically arranged on the front and rear sides of the bottom of the dust cover (4). Fixing blocks (401) are symmetrically arranged on the left and right sides of the bottom of the dust cover (4). The fixing blocks (401) are inserted into the fixing slots (101) opened on the top of the distribution box (1). A fixing rod (5) is inserted into the fixing block (401) at the bottom of the fixing slot (101) on the front side of the bottom of the dust cover (4). A fixing magnetic rod (6) is inserted into the fixing block (401) at the bottom of the fixing slot (101) on the rear side of the bottom of the dust cover (4). The rear end of the fixing magnetic rod (6) is inserted into the locking magnetic plate (104) at the top of the rear side inside the distribution box (1).

6. A distribution box for electrical engineering automation according to claim 1, characterized in that, The front side wall of the mounting plate (7) is divided into four parts, and each part has round holes at equal intervals.

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