CN212343068U

CN212343068U - Cubical switchboard for electrical engineering design

Info

Publication number: CN212343068U
Application number: CN202021334070.8U
Authority: CN
Inventors: 邢贞卫; 黎清纯; 邢贞豪
Original assignee: Hainan Benyuan Construction And Installation Engineering Co ltd
Current assignee: Hainan Benyuan Construction And Installation Engineering Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-01-12
Anticipated expiration: 2030-07-09

Abstract

The utility model relates to a cubical switchboard technical field, concretely relates to cubical switchboard for electrical engineering design, including the cabinet body and slide bar, four end angles of cabinet body bottom surface have all linked firmly the landing leg, the equal equidistance of the both sides wall of the cabinet body has linked firmly a plurality of screen panels, wherein, is provided with the pivot between the adjacent screen panel, the rectangular channel has been seted up to the position that the back of the cabinet body corresponds the pivot, the one end of pivot is rotated with a lateral wall of the cabinet body and is connected, the other end of pivot runs through the rectangular channel and cup joints and is fixed with the band pulley. The utility model discloses in, through setting up a plurality of pivots in cabinet body both sides, because the hot-air will be lighter than the cold air, and servo motor is under the condition of only driving two pivots, and the rotational speed of pivot is very fast, and the cycle of the rotatory of water conservancy diversion flabellum that the pivot outer wall linked firmly also shortens more, consequently the cold air from the below advance the cabinet internal back, also can discharge from the top of the cabinet body more fast under the effect of two pivots.

Description

Cubical switchboard for electrical engineering design

Technical Field

The utility model relates to a cubical switchboard technical field, concretely relates to cubical switchboard for electrical engineering design.

Background

The switch cabinet is an electrical device, the outside line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, each branch circuit is arranged according to the requirement, such as an instrument, an automatic control and a motor magnetic switch, various alternating current contactors and the like, and the switch cabinet is mainly used for opening and closing, controlling and protecting the electrical device in the process of generating, transmitting, distributing and converting electric energy of an electric power system;

in the installation process of the switch cabinet, more and more switch cabinets are installed near a field or mechanical equipment, so that the installation cost can be saved, and the complexity of the installation process can be reduced, but because the environment of an industrial field is complex, the temperature is not ideal, and in addition, the switch cabinet can generate a large amount of heat during operation, once the heat in the switch cabinet cannot be discharged, the electrical equipment in the switch cabinet is easy to break down, so various accidents are caused, the heat dissipation of the switch cabinet is vital, meanwhile, according to different environmental temperatures, the heat dissipation mode of the switch cabinet also needs to be adjusted so as to achieve the best heat dissipation effect, most of the existing switch cabinets are provided with air inlets on the side wall of the lower end of a cabinet body, and air outlets are arranged on the side wall of the lower end of the switch cabinet, so that the heat dissipation mode is relatively backward, the heat dissipation effect is relatively poor, and the environmental temperature is excessively depended on, can not spontaneously radiate and can not adapt to the environment of an industrial field.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above technical problems, an object of the present invention is to provide a switch cabinet for electrical engineering design, wherein a plurality of mesh covers are disposed on two side walls of a cabinet body, a plurality of rotating shafts are disposed between the mesh covers, a plurality of guide vanes are fixedly connected to outer walls of the rotating shafts at equal angles, and a belt wheel is fixedly connected to one end of the rotating shaft, the uppermost and lowermost two belt wheels are connected by a first belt, when the time is spring or winter, the ambient temperature outside the switch cabinet is lower than the temperature inside the cabinet, a servo motor is turned on, the rotating shafts on two sides of the cabinet body start to rotate under the action of the servo motor, because the hot air is lighter than the cold air, and the servo motor drives only two rotating shafts, the rotating speed of the rotating shafts is faster, the rotating period of the guide vanes fixedly connected to the outer walls of the rotating shafts is shorter, and therefore, after the cold air enters the cabinet body from below, the heat dissipation device can be quickly discharged from the upper part of the cabinet body under the action of the two rotating shafts, and the heat dissipation mode is suitable for being used under the condition that the ambient temperature is lower than the temperature in the cabinet.

The purpose of the utility model can be realized by the following technical scheme:

a switch cabinet for electrical engineering design comprises a cabinet body and a slide bar, wherein four end corners of the bottom surface of the cabinet body are fixedly connected with supporting legs, two side walls of the cabinet body are fixedly connected with a plurality of net covers in equal distance, a rotating shaft is arranged between adjacent net covers, a rectangular groove is formed in the back surface of the cabinet body corresponding to the position of the rotating shaft, one end of the rotating shaft is rotatably connected with one side wall of the cabinet body, the other end of the rotating shaft penetrates through the rectangular groove and is fixedly connected with a belt wheel in a sleeved mode, a belt wheel positioned at the uppermost end of the rectangular groove and a belt wheel positioned at the lowermost end of the rectangular groove are in transmission connection through a first belt, a plurality of guide fan blades are fixedly connected with the middle outer wall of the rotating shaft in equal angle, a plurality of limiting holes are formed in the bottom surface of the rectangular groove in equal distance, rectangular notches are formed in the positions, the outer wall of slide bar rotates and has cup jointed the shifting block, one side outer wall of shifting block has linked firmly the one end of connecting block, the other end of connecting block has linked firmly spacing post, and it is downthehole that spacing post inserts spacing, spacing post and first belt separation, except first belt two band pulleys of the top and bottom, all the other band pulleys that are located in first belt no longer contact with first belt, and the pivot that corresponds rather than no longer rotates.

The front of the cabinet body is provided with a cabinet door, the outer wall of one side of the cabinet door is fixedly connected with a handle, and the cabinet door is rotatably connected with the cabinet body through two hinges, so that the cabinet door can be conveniently opened by a worker.

The belt wheel is characterized in that a torsion spring is arranged between the shifting block and the sliding rod, the limiting column and the limiting hole are matched components, when the limiting column is separated from the limiting hole, the connecting block drives the limiting column to press the first belt at the corresponding position under the action of the torsion spring, and the belt wheel at the corresponding position is also in contact with the first belt.

Further lie in, the inner chamber wall middle part of the cabinet body has linked firmly the electric module, the inner chamber wall of the cabinet body is located the below of electric module and has linked firmly servo motor, servo motor's one end is rotated and is connected with the one end of transmission shaft, the other end of transmission shaft runs through the inner chamber wall of the cabinet body, supplies power for a plurality of pivots of cabinet body both sides through using servo motor.

Further, the length of the lowermost belt wheel in the rectangular groove is longer than that of the rest belt wheels, so that the belt wheel can be in transmission connection with the transmission shaft through a second belt.

Further, the transmission shaft is connected with the belt wheel at the lowest end in the rectangular grooves on the two sides of the cabinet body through a second belt, so that a plurality of rotating shafts on the two sides have power sources, and the guide fan blades on the outer walls of the rotating shafts can also dissipate heat.

The utility model has the advantages that:

1. the two side walls of the cabinet body are provided with the plurality of mesh enclosures, the rotating shafts are arranged between the mesh enclosures, the outer walls of the rotating shafts are fixedly connected with the plurality of guide vanes at equal angles, one end of each rotating shaft is fixedly sleeved with the belt wheel, the uppermost end and the lowermost end of each belt wheel are in transmission connection by using the first belt, when the time is spring or winter, the ambient temperature outside the switch cabinet is lower than the temperature inside the cabinet, the servo motor is started, the uppermost end and lowermost end rotating shafts start to rotate in the rotating shafts on the two sides of the cabinet body under the action of the servo motor, because the hot air is lighter than the cold air, and under the condition that the servo motor only drives the two rotating shafts, the rotating speed of the rotating shafts is faster, the rotating period of the guide vanes fixedly connected with the outer walls of the rotating shafts is shorter, and therefore, after the cold air enters the cabinet body from the lower part, the cold air can be more quickly discharged from the upper part of the cabinet, the heat dissipation mode is suitable for being used under the condition that the ambient temperature is lower than the temperature in the cabinet;

2. the back surface of the cabinet body is provided with a rectangular groove, the bottom surface of the rectangular groove is provided with a plurality of limiting holes at equal intervals, the positions of two side walls of the cabinet body corresponding to the limiting holes are provided with rectangular notches, slide rods are connected in the rectangular notches in a sliding manner, the outside of each slide rod is rotatably sleeved with a shifting block, a torsion spring is arranged between the shifting block and the slide rods, the limiting columns are separated from the limiting holes through the slide rods, at the moment, the connecting blocks drive the limiting columns to turn over under the action of the torsion springs, so that the limiting columns press first belts at corresponding positions to be connected with a plurality of belt wheels inside the first belts, so that the belt wheels inside the first belts are all rotated, the heat dissipation mode is more suitable for summer with the environment temperature higher than the temperature in the cabinet, because no cold air exists at the moment, all the rotating shafts are started to rotate together, and the air is enabled to pass through the cabinet body in a, and the electric module in the cabinet body is cooled by wind power.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the cabinet door of the present invention;

FIG. 3 is a schematic structural view of a rectangular groove in the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a partial enlarged view at B in FIG. 3;

fig. 6 is a schematic structural view of the middle cabinet body of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 6 at C;

FIG. 8 is an enlarged view of a portion of FIG. 6 at D;

FIG. 9 is a schematic structural view of the sliding rod of the present invention;

FIG. 10 is a schematic view of the first and second belts of the present invention;

fig. 11 is a partial enlarged view at E in fig. 10;

FIG. 12 is an enlarged view of a portion of FIG. 10 at F;

fig. 13 is a schematic structural view of the middle rotating shaft of the present invention.

In the figure: 1. a cabinet body; 11. a support leg; 12. a mesh enclosure; 13. a rectangular groove; 131. a limiting hole; 14. a rectangular notch; 141. a chute; 15. a first belt; 16. a second belt; 2. a cabinet door; 21. a handle; 3. a rotating shaft; 31. a pulley; 32. a guide vane; 4. a slide bar; 41. shifting blocks; 42. connecting blocks; 43. a limiting column; 5. a servo motor; 51. a drive shaft; 6. an electrical module.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-13, a switch cabinet for electrical engineering design comprises a cabinet body 1 and a slide bar 4, four corners of the bottom surface of the cabinet body 1 are fixedly connected with legs 11, two side walls of the cabinet body 1 are fixedly connected with a plurality of net covers 12 at equal intervals, wherein a rotating shaft 3 is arranged between the adjacent net covers 12, a rectangular groove 13 is arranged at the position of the back surface of the cabinet body 1 corresponding to the rotating shaft 3, one end of the rotating shaft 3 is rotatably connected with one side wall of the cabinet body 1, the other end of the rotating shaft 3 penetrates through the rectangular groove 13 and is fixedly sleeved with a belt pulley 31, wherein the belt pulley 31 at the uppermost end of the rectangular groove 13 is in transmission connection with the belt pulley 31 at the lowermost end through a first belt 15, a plurality of guide vanes 32 are fixedly connected at equal angles on the outer wall of the middle part of the rotating shaft 3, a plurality of limiting holes 131 are arranged at equal intervals on the bottom surface, spout 141 has all been seted up to the top surface and the bottom surface of rectangle breach 14, sliding connection has slide bar 4 in spout 141, shifting block 41 has been cup jointed in slide bar 4's outer wall rotation, one side outer wall of shifting block 41 has linked firmly the one end of connecting block 42, the other end of connecting block 42 has linked firmly spacing post 43, insert spacing hole 131 when spacing post 43, spacing post 43 separates with first belt 15, except first belt 15 two band pulleys 31 of top and bottom, all the other band pulleys 31 that are located in first belt 15 no longer contact with first belt 15, pivot 3 that corresponds with it also no longer rotates.

The front of the cabinet body 1 is provided with a cabinet door 2, the outer wall of one side of the cabinet door 2 is fixedly connected with a handle 21, the cabinet door 2 is rotatably connected with the cabinet body 1 through two hinges, thereby facilitating the opening of the cabinet door 2 by the working personnel, a torsion spring is arranged between the shifting block 41 and the slide bar 4, the limiting post 43 and the limiting hole 131 are matched components, when spacing post 43 and spacing hole 131 separation, connecting block 42 drives spacing post 43 and compresses tightly the first belt 15 of corresponding position department under torsion spring's effect, the band pulley 31 that is located corresponding position department just also contacts with first belt 15, electric module 6 has been linked firmly in the inner chamber wall middle part of the cabinet body 1, servo motor 5 has been linked firmly in the below that the inner chamber wall of the cabinet body 1 is located electric module 6, servo motor 5's one end is rotated and is connected with the one end of transmission shaft 51, the other end of transmission shaft 51 runs through the inner chamber wall of the cabinet body 1, supply power for a plurality of pivots 3 of the cabinet body 1 both sides through using servo motor 5.

The length of a band pulley 31 of the lowermost end will be good at the length of other band pulleys 31 in the rectangular channel 13 to make this band pulley 31 be connected with the transmission shaft 51 through the transmission of second belt 16, the transmission shaft 51 all is connected through the transmission of second belt 16 with the band pulley 31 of the lowermost end in the rectangular channel 13 of cabinet 1 both sides, thereby make a plurality of pivot 3 of both sides have a power source, the water conservancy diversion flabellum 32 of 3 outer walls of pivot also can dispel the heat.

The working principle is as follows: when the temperature of the environment is lower than the temperature in the cabinet, when the temperature in the environment is lower than the temperature in the cabinet, after the servo motor 5 is started, the transmission shaft 51 which is rotationally connected with the servo motor 5 drives the second belt 16 to roll, under the action of the second belt 16, one belt pulley 31 which is in transmission connection with the second belt 16 drives the other belt pulley 31 at the upper end of the belt pulley to rotate, at the moment, the rotating shaft 3 which is fixedly sleeved with the corresponding belt pulley 31 rotates, the outer wall of the rotating shaft 3 is fixedly connected with a plurality of flow guide fan blades 32 at equal angles, and in the rotating process of the flow guide fan blades 32, cold air at the lower end of the cabinet body 1 enters the cabinet body 1 and is rapidly led;

when the ambient temperature is higher than the temperature in the cabinet, slide bar 4 slides, at this moment, the connecting block 42 that cup joints with slide bar 4 rotation drives spacing post 43 and overturns under torsion spring's effect, spacing post 43 compresses tightly its first belt 15 that closes on position department, make with the inside all the other band pulleys 31 of first belt 15 and be connected with first belt 15, band pulley 31 also drives rather than the pivot 3 rotation of linking firmly mutually, thereby make the pivot 3 whole rotations of cabinet body 1 both sides, thereby form power uninterruptedly and at cabinet body 1 inner loop, thereby for the interior electric module 6 cooling of cabinet body 1.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only, and various modifications, additions and substitutions as described for the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.

Claims

1. The utility model provides a cubical switchboard for electrical engineering design, its characterized in that, includes the cabinet body (1) and slide bar (4), four end angles of the cabinet body (1) bottom surface have all been linked firmly landing leg (11), the equal equidistance of both sides wall of the cabinet body (1) has been linked firmly a plurality of screen panels (12), wherein, be provided with pivot (3) between adjacent screen panel (12), rectangular channel (13) have been seted up to the position that the back of the cabinet body (1) corresponds pivot (3), the one end of pivot (3) is connected with a lateral wall rotation of the cabinet body (1), the other end of pivot (3) runs through rectangular channel (13) and cup joints and is fixed with band pulley (31), wherein, is located between band pulley (31) of rectangular channel (13) the top and band pulley (31) of the bottom through first belt (15) transmission connection, the middle part outer wall equidistance of pivot (3) has linked firmly a plurality of water conservancy diversion flabellums (, a plurality of spacing holes (131) have been seted up to the bottom surface equidistance of rectangular channel (13), rectangle breach (14) have all been seted up to the position that the both sides wall of the cabinet body (1) corresponds spacing hole (131), spout (141) have all been seted up to the top surface and the bottom surface of rectangle breach (14), sliding connection has slide bar (4) in spout (141), shifting block (41) have been cup jointed in the outer wall rotation of slide bar (4), one side outer wall of shifting block (41) has linked firmly the one end of connecting block (42), the other end of connecting block (42) has linked firmly spacing post (43).

2. The switch cabinet for electric engineering design according to claim 1, characterized in that a cabinet door (2) is arranged on the front side of the cabinet body (1), a handle (21) is fixedly connected to the outer wall of one side of the cabinet door (2), and the cabinet door (2) is rotatably connected with the cabinet body (1) through two hinges.

3. The switch cabinet for electrical engineering design according to claim 1, wherein a torsion spring is arranged between the shifting block (41) and the sliding rod (4), and the limiting column (43) and the limiting hole (131) are matched components.

4. The switch cabinet for electrical engineering design according to claim 1, characterized in that, the inner chamber wall middle part of the cabinet body (1) has linked firmly electrical module (6), the inner chamber wall of the cabinet body (1) is located the below of electrical module (6) and has linked firmly servo motor (5), the one end of servo motor (5) is rotated and is connected with the one end of transmission shaft (51), the other end of transmission shaft (51) runs through the inner chamber wall of the cabinet body (1).

5. An electrical engineering design switch cabinet according to claim 1, characterized in that the length of the lowermost pulley (31) in the rectangular groove (13) is longer than the length of the remaining pulleys (31).

6. The switch cabinet for electrical engineering design according to claim 4, wherein the transmission shaft (51) is in transmission connection with the belt wheel (31) at the lowest end in the rectangular grooves (13) at two sides of the cabinet body (1) through a second belt (16).