CN212085611U - Heat radiator for automatically controlled cabinet - Google Patents

Abstract

The utility model discloses a heat dissipation device for an electric control cabinet, which comprises a cabinet body, a cabinet door is hinged on one side of the cabinet body, and a first fan blade shaft is rotatably connected to the top side of the cabinet body through a bearing. The lower end of the first fan blade shaft is provided with an internal fan, the upper part of the cabinet is provided with a gear box, the inside of the gear box is provided with a bevel gear transmission mechanism, and one side of the gear box is provided with a second fan blade shaft, One end of the second fan blade shaft is provided with an external fan, the first fan blade shaft is connected with the second fan blade shaft through a bevel gear transmission mechanism, and the bottom side wall of the cabinet is provided with a ventilation structure, The external wind power is converted into the cabinet through the external fan and the internal fan, so as to dissipate heat inside the cabinet without direct ventilation, so as to prevent dust particles and debris from entering the electric control cabinet, and to avoid the occurrence of power failure. , resulting in failure to dissipate heat.

Description

A kind of cooling device for electric control cabinet

technical field

The utility model relates to the technical field of electric equipment, in particular to a heat dissipation device for an electric control cabinet.

Background technique

The electrical control cabinet is to assemble switchgear, measuring instruments, protective appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on the screen according to the electrical wiring requirements. The safety control cabinet of the equipment, the existing electric control cabinet has a relatively simple structure. Generally, the electric heating devices in the electric control cabinet are simple fans. However, when the fan sends air, it will also bring in a large amount of dust particles, which cannot be avoided. While ventilating and dissipating the inside of the electric control cabinet, avoid dust particles and sundries from entering the electric control cabinet.

Utility model content

The purpose of this utility model is to provide a heat dissipation device for an electric control cabinet in order to solve the above problems, so as to solve the problem in the prior art that it is unavoidable to ventilate and dissipate the inside of the electric control cabinet while preventing the entry of dust particles and sundries. Technical problems such as in the electrical control cabinet.

To achieve the above object, the utility model provides the following technical solutions:

The utility model provides a heat dissipation device for an electric control cabinet, which comprises a cabinet body, a cabinet door is hinged on one side of the cabinet body, and a sealing structure is arranged on the side of the cabinet door close to the cabinet body. The top side is rotatably connected with a first fan blade shaft, the lower end of the first fan blade shaft is provided with an internal fan, a gear box is arranged above the cabinet, and a bevel gear transmission mechanism is arranged inside the gear box, One side of the gear box is provided with a second fan blade shaft, one end of the second fan blade shaft is provided with an external fan, and the first fan blade shaft is connected to the second fan blade shaft through a bevel gear transmission mechanism. connected, the bottom side wall of the cabinet is provided with a ventilation structure.

Preferably, the bevel gear transmission mechanism includes a first bevel gear and a second bevel gear, the first bevel gear and the second bevel gear are meshed, and the first bevel gear is connected to the first fan blade On the upper end of the shaft, the second bevel gear is connected to the end of the second fan blade shaft.

Preferably, the ventilation structure includes a ventilation boss, the ventilation boss is arranged on the lower side of the cabinet body, the bottom side wall of the cabinet body is provided with a number of ventilation slots evenly distributed, and the ventilation boss is Several evenly distributed ventilation holes are opened inside, and the ventilation holes are communicated with the ventilation grooves.

Preferably, the sealing structure includes a panel, and the outer side of the panel is provided with a sealing gasket along its edge.

Preferably, the lower side of the cabinet is provided with four legs distributed in an array.

Preferably, two sides of the gear box are connected with gear box covers through bolts.

Preferably, a handle is provided on the outer side of the cabinet door.

The beneficial effect is that the external wind power is converted into the cabinet through the external fan and the internal fan, so that the inside of the cabinet can be dissipated without direct ventilation, so as to prevent dust particles and debris from entering the electric control cabinet, and also to avoid interruptions. In the case of electricity, etc., it will cause the occurrence of such situations as the inability to dissipate heat.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1 is the front view of the present utility model;

Fig. 2 is the left side view of Fig. 1 of the present utility model;

FIG. 3 is an axial cross-sectional view of FIG. 1 of the present invention.

Reference numerals are explained as follows: 1. Cabinet body; 2. Cabinet door; 3. Ventilation structure; 3a, Ventilation boss; 3b, Ventilation hole; 3c, Ventilation slot; ; 7, the first fan blade shaft; 8, the gear box; 9, the external fan; 10, the gear box cover; 11, the sealing structure; 11a, the panel; 11b, the gasket strip; 12, the bevel gear transmission mechanism; 12a, The first bevel gear; 12b, the second bevel gear; 13, the second fan blade shaft.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention more clear, the technical solutions of the present invention will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other implementations obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present invention.

Referring to FIGS. 1-3 , the utility model provides a heat sink for an electric control cabinet, comprising a cabinet body 1 , a cabinet door 2 is hinged on one side of the cabinet body 1 , and the cabinet door 2 is close to the side of the cabinet body 1 . A sealing structure 11 is provided, the top side of the cabinet body 1 is rotatably connected with a first fan blade shaft 7 through a bearing, the lower end of the first fan blade shaft 7 is provided with an internal fan 6, and a gear box 8 is set above the cabinet body 1. The box 8 is provided with a bevel gear transmission mechanism 12, one side of the gear box 8 is provided with a second fan blade shaft 13, one end of the second fan blade shaft 13 is provided with an external fan 9, and the first fan blade shaft 7 is driven by a bevel gear. The mechanism 12 and the second fan blade shaft 13 are connected to each other, and the bottom side wall of the cabinet 1 is provided with a ventilation structure 3;

When the external fan 9 is rotated by the external wind, the external fan 9 can drive the internal fan 6 to rotate through the second fan blade shaft 13 , the bevel gear transmission mechanism 12 and the first fan blade shaft 7 in sequence.

The bevel gear transmission mechanism 12 includes a first bevel gear 12a and a second bevel gear 12b. The first bevel gear 12a and the second bevel gear 12b are in gear meshing. The first bevel gear 12a is connected to the upper end of the first fan blade shaft 7. The bevel gear 12b is connected to the end of the second blade shaft 13 .

The ventilation structure 3 includes a ventilation boss 3a. The ventilation boss 3a is arranged on the lower side of the cabinet body 1. The bottom side wall of the cabinet body 1 is provided with a number of ventilation grooves 3c that are evenly distributed. Several ventilation holes 3b are distributed, and the ventilation holes 3b communicate with the ventilation grooves 3c. It is used to discharge the air inside the cabinet 1.

The sealing structure 11 includes a panel 11a, and the outer side of the panel 11a is provided with a sealing gasket 11b along its edge. It is used to ensure the tightness of the connection between the cabinet body 1 and the cabinet door 2 .

The lower side of the cabinet 1 is provided with four legs 4 distributed in an array. Used to support the cabinet 1.

Two sides of the gear box 8 are connected with a gear box cover 10 by bolts. It is used to disassemble and organize the bevel gear transmission mechanism 12 inside the gearbox 8 .

A handle 5 is provided on the outer side of the cabinet door 2 .

With the above structure, when the cabinet 1 is used outdoors, it is affected by the blowing action of the external wind. The rotation of the external fan 9 drives the second fan blade shaft 13 to rotate, and the second fan blade shaft 13 rotates to drive the second bevel gear 12b to rotate. The rotation of the two bevel gear 12b drives the meshed first bevel gear 12a to rotate, the rotation of the first bevel gear 12a drives the rotation of the first fan blade shaft 7, the rotation of the first fan blade shaft 7 drives the rotation of the internal fan 6 provided at the lower end, and the rotation of the internal fan 6 The air blowing and heat dissipation inside the cabinet body 1 is realized, so as to realize the heat dissipation inside the cabinet body 1 by the external wind force without direct ventilation, and the gas inside the cabinet body 1 can be discharged through the ventilation structure 3 .

The beneficial effect of the utility model is that the external wind power is converted into the cabinet body 1 by the external fan 9 and the internal fan 6, so as to realize heat dissipation inside the cabinet body 1 without direct ventilation, thereby preventing dust particles and sundries from entering the electric control system. In the cabinet, it can also avoid the occurrence of failure to dissipate heat in the event of a power failure.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Replacement should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (7)

1. The utility model provides a heat abstractor for automatically controlled cabinet which characterized in that: comprises a cabinet body (1), one side of the cabinet body (1) is hinged with a cabinet door (2), a sealing structure (11) is arranged on one side of the cabinet door (2) close to the cabinet body (1), the top side of the cabinet body (1) is rotationally connected with a first fan blade shaft (7) through a bearing, the lower end of the first fan blade shaft (7) is provided with an internal fan (6), a gear box (8) is arranged above the cabinet body (1), a bevel gear transmission mechanism (12) is arranged in the gear box (8), a second fan blade shaft (13) is arranged on one side of the gear box (8), an external fan (9) is arranged at one end of the second fan blade shaft (13), the first fan blade shaft (7) is connected with the second fan blade shaft (13) through a bevel gear transmission mechanism (12), and a ventilation structure (3) is arranged on the side wall of the bottom of the cabinet body (1).

2. The heat dissipation device for the electric control cabinet according to claim 1, wherein: the bevel gear transmission mechanism (12) comprises a first bevel gear (12 a) and a second bevel gear (12 b), the first bevel gear (12 a) and the second bevel gear (12 b) are in gear engagement, the first bevel gear (12 a) is connected to the upper end of the first fan blade shaft (7), and the second bevel gear (12 b) is connected to the end of the second fan blade shaft (13).

3. The heat dissipation device for the electric control cabinet according to claim 1, wherein: ventilation structure (3) are including ventilation boss (3 a), ventilation boss (3 a) set up the downside of the cabinet body (1), a plurality of ventilation groove (3 c) of evenly distributed are seted up to the bottom lateral wall of the cabinet body (1), a plurality of ventilation hole (3 b) of a plurality of evenly distributed are seted up to ventilation boss (3 a) inside, ventilation hole (3 b) with ventilation groove (3 c) intercommunication.

4. The heat dissipation device for the electric control cabinet according to claim 1, wherein: the sealing structure (11) comprises a panel (11 a), and the outer side of the panel (11 a) is provided with a sealing gasket strip (11 b) along the edge thereof.

5. The heat dissipation device for the electric control cabinet according to claim 1, wherein: four foot columns (4) distributed in an array are arranged on the lower side of the cabinet body (1).

6. The heat dissipation device for the electric control cabinet according to claim 1, wherein: and two sides of the gear box (8) are connected with a gear box cover (10) through bolts.

7. The heat dissipation device for the electric control cabinet according to claim 1, wherein: a handle (5) is arranged on one side of the outside of the cabinet door (2).

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