CN216437839U - Heat dissipation device of electric automation cabinet - Google Patents

Abstract

The utility model discloses a heat dissipation device for an electrical automation cabinet, which relates to the technical field of electrical cabinets. The inside of the cabinet is provided with a ventilation plate, the inside of the cabinet is provided with a heat dissipation mechanism, and the bottom of the cabinet is provided with a shock absorption mechanism, and the heat dissipation mechanism includes a heat dissipation fan, an air intake hole, an air outlet hole and a drain. The cooling fan is installed at the bottom of the cabinet, the left and right side walls of the cabinet are provided with a plurality of air intake holes, the top of the cabinet is symmetrically provided with two air outlets, and the top wall of the cabinet Two exhaust fans are fixedly installed. In the utility model, the heat dissipation mechanism can enhance the circulation rate of the air inside and outside the cabinet, and can accelerate the heat dissipation inside the cabinet. The buffer mechanism can play the effect of buffering and shock absorption to prevent the cabinet from being damaged by vibration. electrical components inside the body.

Description

A cooling device for an electrical automation cabinet

technical field

The utility model relates to the technical field of electrical cabinets, in particular to a heat dissipation device for an electrical automation cabinet.

Background technique

The electrical cabinet is a kind of electrical equipment. The outside line of the electrical cabinet first enters the main control switch in the cabinet, and then enters the sub-control switch. Each branch is set according to its needs. Such as instruments, automatic control, motor magnetic switches, various AC contactors, etc., and some also have high-voltage room and low-voltage room electrical cabinets, with high-voltage busbars, such as power plants.

The existing electrical cabinets are bulky and difficult to move, with poor flexibility, and the electrical cabinet protection measures are not in place, and the internal parts are prone to failure. disassemble

The existing patent (publication number: CN214379439U) proposes an electrical cabinet for electrical automation that is easy to move, including a cabinet body; a movable structure is welded on the cabinet body, and a fixed structure is welded on the back of the cabinet body; the The moving structure includes a fixed rod, a rotating shaft, a telescopic rod and a pulley. There are two fixed rods, and the two fixed rods are welded to the bottom of the inner wall of the cabinet; there are four rotating shafts, and the four rotating shafts are respectively connected in rotation A telescopic rod is welded on the head end and the tail end of the two fixed rods, and each rotating shaft is welded; there are four pulleys in total, and the four pulleys are respectively welded on the bottom of the telescopic rod to realize the movement of the cabinet. , when the pulley needs to be stowed, it can be placed on the shelf.

The above-mentioned electrical automation cabinets have the following disadvantages in use: the heat dissipation of the electrical automation cabinets relies on passive heat dissipation through the cooling holes, and the hot air in the electrical cabinet cannot be quickly dissipated, which will affect the normal operation of the equipment in the electrical cabinet, and the moving process The medium shock absorption effect is poor, and it is easy to damage the internal electrical components. For this reason, we propose a cooling device for an electrical automation cabinet to solve the above problems.

Utility model content

The utility model provides a heat dissipation device for an electric automation cabinet, which solves the problem that the heat dissipation of the electric automation cabinet relies on passive heat dissipation through the heat dissipation holes, and the hot air in the electric cabinet cannot be quickly dissipated, which will affect the normal operation of the equipment in the electric cabinet. It is a technical problem that it is easy to damage the electrical components inside it, and the shock absorption effect is poor during the moving process.

In order to solve the above technical problems, the utility model provides a heat dissipation device for an electrical automation cabinet, comprising a cabinet, the front of the cabinet is hinged with a cabinet door, and the left and right side walls of the cabinet are provided with ventilation openings, The inside of the cabinet is provided with a ventilation plate, the inside of the cabinet is provided with a heat dissipation mechanism, and the bottom of the cabinet is provided with a shock absorption mechanism.

Preferably, the heat dissipation mechanism includes a heat dissipation fan, an air intake hole, an air outlet hole and an exhaust fan, the heat dissipation fan is installed at the bottom of the cabinet body, and a plurality of air intake holes are opened under the left and right side walls of the cabinet body. The top of the cabinet is symmetrically provided with two air outlets, and two exhaust fans are fixedly installed on the top wall of the cabinet to enhance the circulation rate of the air inside and outside the cabinet and accelerate the heat dissipation inside the cabinet.

Preferably, the shock absorbing mechanism includes a base, a bearing plate, a telescopic column, a first buffer spring, a second buffer spring and a buffer block, an installation groove is opened inside the base, and a bearing is slidably installed in the inside of the installation groove The cabinet body is installed on the top of the carrying board, and the four corners of the bottom of the carrying board are equipped with telescopic columns. a buffer spring, the top end of the first buffer spring is connected to the bottom surface of the bearing plate, the bottom end of the first buffer spring is connected to the inner bottom wall of the installation groove, and the inner walls on both sides of the installation groove are installed with second buffer springs, The other end of the second buffer spring is connected with a buffer block, and the bearing plate is abutted against the buffer block, which has the effect of buffering and shock absorption, and prevents vibrations from damaging the electrical components inside the cabinet.

Preferably, a first dustproof net is fixedly installed under the left and right side walls of the cabinet, the first dustproof net is located outside the air inlet hole, and a second dustproof net is installed inside the air outlet hole, It has a dust-proof effect and prevents dust from entering the interior of the cabinet.

Preferably, a guide block is fixedly connected to the top of the buffer block, a guide groove for the guide block to slide is formed inside the base, and the guide block is slidably connected inside the guide groove to limit the sliding of the buffer block and improve the buffering effect. Stability of block movement.

Preferably, the buffer block has a trapezoidal structure, and the bottom of the carrier plate is provided with an inclined surface adapted to the buffer block, so as to reduce the wear between the carrier plate and the buffer block.

Preferably, four locking universal wheels are installed on the bottom of the base, and the four locking universal wheels are respectively located at the four corners of the bottom of the base to facilitate the moving position of the device.

Preferably, an observation window is provided on the front of the cabinet door, and tempered glass is installed inside the observation window to facilitate the operator to observe the interior of the cabinet.

Compared with the related art, the one provided by the present invention has the following beneficial effects:

1. In this utility model, the air outside the cabinet is sucked into the cabinet through the air intake holes by the cooling fan, and the hot gas inside the cabinet can be discharged from the air outlet to the outside of the cabinet through the exhaust fan, so as to strengthen the cabinet. The circulation rate of the air inside and outside the body can accelerate the heat dissipation inside the cabinet, shorten the heat dissipation time, and improve the heat dissipation efficiency.

2. In the present utility model, through the cooperation of the second buffer spring and the buffer block, the vibration generated during movement can be initially buffered, and the cooperation of the telescopic column and the first buffer spring can further improve the buffer effect, thereby achieving a good buffer. The shock absorption effect prevents vibration from damaging the electrical components inside the cabinet.

Description of drawings

1 is a schematic structural diagram of a heat sink of an electrical automation cabinet;

2 is a schematic cross-sectional structure diagram of a heat sink of an electrical automation cabinet;

Figure 3 is an enlarged view of the structure at A place in Figure 2;

FIG. 4 is an enlarged view of the structure at B in FIG. 2 .

Labels in the figure: 1. Cabinet body; 2. Cabinet door; 3. Air vent; 4. Ventilation plate; 5. Cooling fan; The second dust filter; 10, the exhaust fan; 11, the base; 12, the carrier plate; 13, the telescopic column; 14, the first buffer spring; 15, the second buffer spring; 16, the buffer block; 17, the guide block; 18. Guide groove; 19. Lock the universal wheel.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. For example; based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

Embodiment 1, as shown in Figures 1-4, a heat dissipation device for an electrical automation cabinet, including a cabinet 1, the front of the cabinet 1 is hinged with a cabinet door 2, and the left and right side walls of the cabinet 1 are provided with ventilation openings. 3. A ventilation plate 4 is installed inside the cabinet 1, a heat dissipation mechanism is installed inside the cabinet 1, and a shock absorption mechanism is installed at the bottom of the cabinet 1. The heat dissipation mechanism includes a cooling fan 5, an air inlet 6, an air outlet 8 and The exhaust fan 10 and the cooling fan 5 are installed on the inner bottom of the cabinet body 1. A plurality of air intake holes 6 are opened under the left and right side walls of the cabinet body 1. Two air outlet holes 8 are symmetrically opened at the top of the cabinet body 1. The cabinet body 1 Two exhaust fans 10 are fixedly installed on the inner top wall, which enhances the circulation rate of the air inside and outside the cabinet 1 and can accelerate the heat dissipation inside the cabinet 1 .

Embodiment 2, on the basis of Embodiment 1, the damping mechanism includes a base 11 , a bearing plate 12 , a telescopic column 13 , a first buffer spring 14 , a second buffer spring 15 and a buffer block 16 . The inside of the installation slot is slidably installed with the bearing plate 12, the cabinet 1 is installed on the top of the bearing plate 12, and the four corners of the bottom of the bearing plate 12 are installed with telescopic columns 13, one end of the telescopic column 13 away from the bearing plate 12 and the bottom wall of the installation slot The first buffer spring 14 is sleeved outside the telescopic column 13, the top end of the first buffer spring 14 is connected with the bottom surface of the bearing plate 12, the bottom end of the first buffer spring 14 is connected with the inner bottom wall of the installation groove, and the inner walls on both sides of the installation groove are connected to the bottom wall of the installation groove. Both are installed with a second buffer spring 15, the other end of the second buffer spring 15 is connected with a buffer block 16, the carrier plate 12 is in contact with the buffer block 16, and has the effect of buffering and shock absorption, preventing vibration from damaging the electrical components inside the cabinet 1.

Embodiment 3, on the basis of Embodiment 1, the first dustproof net 7 is fixedly installed under the left and right side walls of the cabinet 1 , and the first dustproof net 7 is located outside the air inlet hole 6 and inside the air outlet hole 8 . A second dust-proof net 9 is installed, which has a dust-proof effect and prevents dust from entering the interior of the cabinet 1 .

Embodiment 4, on the basis of Embodiment 2, a guide block 17 is fixedly connected to the top of the buffer block 16, a guide groove 18 is provided inside the base 11 for the guide block 17 to slide, and the guide block 17 is slidably connected inside the guide groove 18. The sliding of the buffer block 16 is limited to improve the stability of the movement of the buffer block 16 .

Embodiment 5 On the basis of Embodiment 2, the buffer block 16 has a trapezoidal structure, and the bottom of the carrier plate 12 is provided with an inclined surface adapted to the buffer block 16 to reduce wear between the carrier plate 12 and the buffer block 16 .

Embodiment 6, on the basis of Embodiment 1, four locking universal wheels 19 are installed at the bottom of the base 11 , and the four locking universal wheels 19 are respectively located at the four corners of the bottom of the base 11 to facilitate the movement of the device.

Embodiment 7, on the basis of Embodiment 1, an observation window is provided on the front of the cabinet door 2 , and tempered glass is installed inside the observation window to facilitate the operator to observe the interior of the cabinet body 1 .

Working principle: start the cooling fan 5 and the exhaust fan 10 when in use, the air outside the cabinet 1 is sucked into the cabinet 1 through the air inlet 6 through the cooling fan 5, and the inside of the cabinet 1 can be drawn through the exhaust fan 10. The hot air is discharged from the air outlet 8 to the outside of the cabinet 1, which enhances the circulation rate of the air inside and outside the cabinet 1, which can accelerate the heat dissipation inside the cabinet 1, shorten the heat dissipation time, and improve the heat dissipation efficiency. When the cabinet 1 needs to move , through the cooperation of the second buffer spring 15 and the buffer block 16, the vibration generated during the movement can be initially buffered, and the cooperation of the telescopic column 13 and the first buffer spring 14 can further improve the buffer effect, thereby achieving good buffering and shock absorption. The effect is to prevent vibration from damaging the electrical components inside the cabinet 1 .

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device comprising a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A cooling device for an electrical automation cabinet, comprising a cabinet (1), characterized in that a cabinet door (2) is hinged on the front of the cabinet (1), and the left and right sides of the cabinet (1) are hinged. The walls are provided with ventilation openings (3), a ventilation plate (4) is installed inside the cabinet body (1), a heat dissipation mechanism is arranged inside the cabinet body (1), and the bottom of the cabinet body (1) A shock absorption mechanism is provided, the cooling mechanism includes a cooling fan (5), an air inlet (6), an air outlet (8) and an exhaust fan (10), and the cooling fan (5) is installed in the cabinet (1). ) inner bottom, a plurality of air inlet holes (6) are opened under the left and right side walls of the cabinet body (1), and two air outlet holes (8) are symmetrically opened at the top of the cabinet body (1). Two exhaust fans (10) are fixedly installed on the inner top wall of the body (1), and the shock absorbing mechanism includes a base (11), a bearing plate (12), a telescopic column (13), a first buffer spring (14), For the second buffer spring (15) and the buffer block (16), a mounting groove is formed inside the base (11), a bearing plate (12) is slidably installed inside the mounting groove, and the cabinet (1) is installed On the top of the bearing plate (12), telescopic columns (13) are installed at the four corners of the bottom of the bearing plate (12). A first buffer spring (14) is sleeved on the outside of the telescopic column (13), the top end of the first buffer spring (14) is connected to the bottom surface of the bearing plate (12), and the bottom end of the first buffer spring (14) is connected to the mounting plate (12). The inner and bottom walls of the slot are connected, and the inner walls on both sides of the installation slot are provided with a second buffer spring (15), the other end of the second buffer spring (15) is connected with a buffer block (16), and the bearing plate ( 12) Offset with the buffer block (16). 2 . The cooling device for an electrical automation cabinet according to claim 1 , wherein a first dust filter ( 7 ) is fixedly installed under the left and right side walls of the cabinet ( 1 ). 3 . The first dustproof net (7) is located outside the air inlet hole (6), and a second dustproof net (9) is installed inside the air outlet hole (8). 3 . The heat dissipation device of an electrical automation cabinet according to claim 1 , wherein a guide block ( 17 ) is fixedly connected to the top of the buffer block ( 16 ), and the base ( 11 ) is provided with a supply A guide groove (18) in which the guide block (17) slides, and the guide block (17) is slidably connected inside the guide groove (18). 4. The heat dissipation device of an electrical automation cabinet according to claim 2, wherein the buffer block (16) is a trapezoidal structure, and the bottom of the carrier plate (12) is provided with a buffer block (16) Compatible slope. 5. The heat dissipation device of an electrical automation cabinet according to claim 3, wherein four locking universal wheels (19) are installed at the bottom of the base (11), and four locking universal wheels (19) are installed at the bottom of the base (11). The direction wheels (19) are respectively located at the four corners of the bottom of the base (11). 6 . The heat dissipation device for an electrical automation cabinet according to claim 3 , wherein an observation window is provided on the front of the cabinet door ( 2 ), and tempered glass is installed inside the observation window. 7 .

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