CN215452299U

CN215452299U - Explosion-proof switch cabinet with heat radiation structure

Info

Publication number: CN215452299U
Application number: CN202121995825.3U
Authority: CN
Inventors: 张智明
Original assignee: Guangdong Hengnuo General Electric Co ltd
Current assignee: Guangdong Hengnuo General Electric Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-01-07
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses an explosion-proof switch cabinet with a heat dissipation structure, which relates to the technical field of explosion-proof switch cabinets and aims at solving the problems that the bottom of the existing drawer switch cabinet is generally provided with a fan for cooling the interior of a cabinet body and the heat dissipation effect is poor in the heat dissipation of the existing drawer switch cabinet. The utility model has novel structure, can timely discharge hot gas or moisture in the switch cabinet to the outside of the switch cabinet under the condition of overhigh temperature or overhigh humidity, protects elements in the switch cabinet from being damaged and prolongs the service life of the elements in the switch cabinet.

Description

Explosion-proof switch cabinet with heat radiation structure

Technical Field

The utility model relates to the technical field of explosion-proof switch cabinets, in particular to an explosion-proof switch cabinet with a heat dissipation structure.

Background

The explosion-proof drawer type low-voltage switch cabinet is composed of a fixed cabinet body and a movable device part provided with main electrical elements such as a switch and the like, the movable part needs to be portable when moved and replaced, the positioning needs to be reliable after the movable part is moved, the drawers with the same type and specification can be reliably exchanged, and the processing method of the cabinet body part in the drawing-out type low-voltage switch cabinet is basically similar to that of the fixed cabinet body. However, due to the exchange requirement, the precision of the cabinet body must be improved, the relevant parts of the structure must have a sufficient adjustment, and the movable device parts must be capable of moving and reliably carrying the main components, so that the relevant parts must have a sufficient adjustment with high mechanical strength and high precision.

The cubical switchboard is more accurate electrical equipment, receive the influence of external environment change easily, especially temperature humidity can influence the normal operating of cubical switchboard, high temperature environment can shorten the component life in the cubical switchboard, humid environment can lead to the circuit short circuit in the cubical switchboard, thereby influence the normal work of cubical switchboard, the heat dissipation of traditional drawer cubical switchboard generally adopts the bottom to set up the fan and cools down to the internal of cabinet, but its wind-force only can play the radiating effect in cabinet body bottom and can't reach the top region, the radiating effect is not good. Therefore, in order to solve such problems, we propose an explosion-proof switchgear having a heat dissipation structure.

SUMMERY OF THE UTILITY MODEL

The utility model provides an explosion-proof switch cabinet with a heat dissipation structure, which solves the problems that the inside of a cabinet body is cooled by a fan arranged at the bottom in the heat dissipation of the conventional drawer switch cabinet, so that the wind power of the drawer switch cabinet can only play a heat dissipation role at the bottom of the cabinet body and cannot reach the top area, and the heat dissipation effect is poor.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an explosion-proof switch cabinet with a heat dissipation structure comprises a switch cabinet main body and a support rod, wherein drawer plates which are uniformly distributed are slidably mounted in the switch cabinet main body, a lead screw is rotatably mounted in the switch cabinet main body along the vertical direction, a servo motor is fixedly mounted at the top end of the switch cabinet main body, the top end of the lead screw penetrates through the top end of the switch cabinet main body and is fixedly connected with an output shaft of the servo motor, and the support rod is sleeved with the lead screw in a threaded manner;

the utility model discloses a switch cabinet, including bracing piece, cubical switchboard main part backplate, drawer board, supporting rod top fixed mounting has the fan that is the symmetric distribution, the inside lateral wall fixed mounting of cubical switchboard main part has the guide rail that is the symmetric distribution, slidable mounting bracing piece between two guide rails, the radiating groove that is evenly distributed is seted up to cubical switchboard main part backplate, the radiating groove is the corresponding setting with the drawer board, be equipped with tripe heat dissipation mechanism in the radiating groove.

Preferably, tripe heat dissipation mechanism includes acanthus leaf, axis of rotation and rotation groove, the both sides wall of heat dissipation groove all is equipped with the axis of rotation that is evenly distributed, is located two of same surface of water fixed mounting has the acanthus leaf between the axis of rotation, the louvre that is evenly distributed is seted up to the acanthus leaf.

Preferably, the side wall of the heat dissipation groove is provided with a rotating groove matched with the rotating shaft, and the rotating shaft is correspondingly connected with the rotating groove in a rotating mode.

Preferably, the fixed ann in drawer panel top changes there is temperature and humidity sensor, the one end fixed mounting that the drawer panel is close to cubical switchboard main part backplate has proximity switch, and the lateral wall fixed mounting that the bracing piece is close to the drawer panel has the metal to detect the piece, the metal detects piece and proximity switch phase-match.

Preferably, the output end of the proximity switch is electrically connected with the servo motor, the output end of the temperature and humidity sensor is electrically connected with the servo motor, the model of the proximity switch is BLX51-J, and the model of the temperature and humidity sensor is dht 11.

Preferably, the cubical switchboard main part rotates and installs the cabinet door, the air intake that is evenly distributed is seted up to the cabinet door, the air intake is corresponding the setting with the radiating groove, the air intake is equipped with the filter screen.

The utility model has the beneficial effects that:

1. under temperature and humidity through at the cubical switchboard main part are in normal condition, the air current and the external normal exchange of cubical switchboard main part can be guaranteed to the louvre of lamina, electronic component temperature and humidity on the drawer board appear changing, it moves to set up the air current that the fan drove on the drawer board, lamina and the axis of rotation in the radiating groove that wind-force promoted to correspond rotate, can increase air-out area, improve the volume of airing exhaust, increase the air current exchange, the reinforcing radiating effect, reduce electronic component's on the drawer board temperature and humidity.

2. It is rotatory to drive the lead screw through setting up servo motor, the lead screw drives the bracing piece and removes along two guide rails, drive the fan and reciprocate in the cubical switchboard main part, improve radiating scope, can real-time detection drawer board's the top electronic component's of top temperature and humidity through setting up temperature and humidity sensor temperature and humidity, proximity switch and metal detection piece match, can control servo motor's the not pass, make the bracing piece accuracy stop in the too high drawer board of temperature and humidity, realize accurate radiating effect.

In conclusion, by arranging the fan, the temperature and humidity sensor and the heat dissipation device, hot air or moisture in the switch cabinet can be timely exhausted out of the switch cabinet under the condition of overhigh temperature or overhigh humidity, elements in the switch cabinet are protected from being damaged, and the service life of the elements in the switch cabinet is prolonged.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the interior of the main body of the switchgear of the present invention;

FIG. 3 is a cross-sectional top view of the present invention;

FIG. 4 is a cross-sectional view of a back panel of the main body of the switchgear of the present invention;

fig. 5 is a schematic structural diagram of the cabinet door of the present invention.

Reference numbers in the figures: 1. a switch cabinet main body; 2. a drawer plate; 3. a servo motor; 4. a screw rod; 5. a guide rail; 6. a support bar; 7. a fan; 8. a temperature and humidity sensor; 9. a proximity switch; 10. a metal detection block; 11. a heat sink; 12. a leaf plate; 13. heat dissipation holes; 14. a rotating shaft; 15. a rotating groove; 16. a cabinet door; 17. an air inlet; 18. and (4) a filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-2, an explosion-proof switch cabinet with a heat dissipation structure comprises a switch cabinet main body 1 and a support rod 6, wherein a drawer plate 2 which is uniformly distributed is slidably mounted inside the switch cabinet main body 1, a lead screw 4 is rotatably mounted inside the switch cabinet main body 1 along a vertical direction, a servo motor 3 is fixedly mounted at the top end of the switch cabinet main body 1, the top end of the lead screw 4 penetrates through the output shaft fixed connection between the top end of the switch cabinet main body 1 and the servo motor 3, the support rod 6 is arranged in a threaded sleeve of the lead screw 4, fans 7 which are symmetrically distributed are fixedly mounted at the top end of the support rod 6, guide rails 5 which are symmetrically distributed are fixedly mounted on the side wall inside the switch cabinet main body 1, and the support rod 6 is slidably mounted between the two guide rails 5.

The servo motor 3 can drive the screw rod 4 to rotate, the screw rod 4 can drive the support rod 6 to move up and down in the switch cabinet main body 1, the fan 7 can be located on each layer of the drawer plate 2, and heat dissipation and dehumidification are conducted on electronic elements on the top end of the drawer plate 2.

Referring to fig. 1 and 4-5, a back plate of a switch cabinet main body 1 is provided with uniformly distributed heat dissipation grooves 11, the heat dissipation grooves 11 are arranged corresponding to a drawer plate 2, louver heat dissipation mechanisms are arranged in the heat dissipation grooves 11 and comprise louvers 12, rotation shafts 14 and rotation grooves 15, two side walls of each heat dissipation groove 11 are respectively provided with the rotation shafts 14 uniformly distributed, the louvers 12 are fixedly mounted between the two rotation shafts 14 on the same water surface, the louvers 12 are provided with uniformly distributed heat dissipation holes 13, the side walls of the heat dissipation grooves 11 are provided with the rotation grooves 15 matched with the rotation shafts 14, the corresponding rotation shafts 14 are rotatably connected with the rotation grooves 15, a cabinet door 16 is rotatably mounted on the switch cabinet main body 1, the cabinet door 16 is provided with uniformly distributed air inlets 17, the air inlets 17 are arranged corresponding to the heat dissipation grooves 11, and the air inlets 17 are provided with filter screens 18.

Under the temperature and humidity of cubical switchboard main part 1 are in normal condition, the louvre 13 of lamina 12 can guarantee that the air current of cubical switchboard main part 1 and external world normally exchange, and the electronic component temperature and the humidity that appear on drawer board 2 change, and lamina 12 that can rotate can increase the air-out area, increase the air current and exchange, reduce the electronic component's on drawer board 2 temperature and humidity.

Referring to fig. 2-3, temperature and humidity sensor 8 is fixedly installed at the top end of drawer plate 2, proximity switch 9 is fixedly installed at one end, close to a back plate of switch cabinet main body 1, of drawer plate 2, metal detection block 10 is fixedly installed at the side wall, close to drawer plate 2, of support rod 6, metal detection block 10 is matched with proximity switch 9, the output end of proximity switch 9 is electrically connected with servo motor 3, the output end of temperature and humidity sensor 8 is electrically connected with servo motor 3, the model of proximity switch 9 is BLX51-J, and the model of temperature and humidity sensor 8 is dht 11.

Temperature and humidity sensor 8 can real-time detection drawer plate 2's the top electronic component's temperature and humidity, and proximity switch 9 and metal detection piece 10 match, can control servo motor 3's the not time of closing, make 6 accurate stops in the too high drawer plate 2 of temperature and humidity of bracing piece, realize accurate radiating effect.

When the equipment is used, after the temperature and humidity sensor 8 detects that the temperature and the humidity of the electronic element on the corresponding drawer plate 2 exceed the set limit value, the servo motor 3 and the fan 7 are started, the servo motor 3 drives the screw rod 4 to rotate, the screw rod 4 drives the support rod 6 to move along the two guide rails 5, when the support rod 6 moves to the drawer plate 2 with overhigh temperature, the metal detection block 10 is close to the proximity switch 9, the proximity switch 9 closes the motor 3, the support rod 6 is kept not to move any more, the fan 7 drives the airflow on the drawer plate 2 to move, the wind power pushes the vane 12 and the rotating shaft 14 in the corresponding heat dissipation groove 11 to rotate, the air outlet area is increased, the air exhaust amount is increased, the heat dissipation effect is enhanced, and the temperature of the drawer plate 2 is reduced.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. An explosion-proof switch cabinet with a heat dissipation structure comprises a switch cabinet main body (1) and a support rod (6), and is characterized in that drawer plates (2) which are uniformly distributed are slidably mounted inside the switch cabinet main body (1), a lead screw (4) is rotatably mounted inside the switch cabinet main body (1) along a vertical direction, a servo motor (3) is fixedly mounted at the top end of the switch cabinet main body (1), the top end of the lead screw (4) penetrates through the top end of the switch cabinet main body (1) and is fixedly connected with an output shaft of the servo motor (3), and the support rod (6) is sleeved with the lead screw (4) in a threaded manner;

bracing piece (6) top fixed mounting has fan (7) that are the symmetric distribution, cubical switchboard main part (1) inside lateral wall fixed mounting has guide rail (5) that are the symmetric distribution, slidable mounting bracing piece (6) between two guide rail (5), radiating groove (11) that are evenly distributed are seted up to cubical switchboard main part (1) backplate, radiating groove (11) are corresponding the setting with drawer board (2), be equipped with tripe heat dissipation mechanism in radiating groove (11).

2. The explosion-proof switch cabinet with the heat dissipation structure according to claim 1, wherein the louver heat dissipation mechanism comprises a louver (12), a rotation shaft (14) and a rotation groove (15), the rotation shaft (14) is uniformly distributed on both side walls of the heat dissipation groove (11), the louver (12) is fixedly installed between the two rotation shafts (14) on the same water surface, and the louver (12) is provided with heat dissipation holes (13) which are uniformly distributed.

3. The explosion-proof switch cabinet with the heat dissipation structure as recited in claim 2, wherein the side wall of the heat dissipation groove (11) is provided with a rotation groove (15) matched with the rotation shaft (14), and the corresponding rotation shaft (14) is rotatably connected with the rotation groove (15).

4. The explosion-proof switch cabinet with the heat dissipation structure as recited in claim 1, wherein a temperature and humidity sensor (8) is fixedly mounted at the top end of the drawer plate (2), a proximity switch (9) is fixedly mounted at one end of the drawer plate (2) close to the back plate of the switch cabinet body (1), a metal detection block (10) is fixedly mounted on the side wall of the support rod (6) close to the drawer plate (2), and the metal detection block (10) is matched with the proximity switch (9).

5. The explosion-proof switch cabinet with the heat dissipation structure as recited in claim 4, wherein the output end of the proximity switch (9) is electrically connected with the servo motor (3), the output end of the temperature and humidity sensor (8) is electrically connected with the servo motor (3), the type of the proximity switch (9) is BLX51-J, and the type of the temperature and humidity sensor (8) is dht 11.

6. The explosion-proof switch cabinet with the heat dissipation structure as recited in claim 1, wherein a cabinet door (16) is rotatably installed on the switch cabinet main body (1), the cabinet door (16) is provided with uniformly distributed air inlets (17), the air inlets (17) are arranged corresponding to the heat dissipation grooves (11), and the air inlets (17) are provided with filter screens (18).