CN216478726U

CN216478726U - Protection device of electrical secondary equipment

Info

Publication number: CN216478726U
Application number: CN202122840039.2U
Authority: CN
Inventors: 刘宁宁
Original assignee: GD Power Jiuquan Power Generation Co Ltd
Current assignee: GD Power Jiuquan Power Generation Co Ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-05-10
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses a protection device for electrical secondary equipment, which comprises a box body, wherein the left side wall and the right side wall of the box body are respectively provided with a ventilation grating, the upper surface of the box body is fixedly provided with a transmission shell, a transmission rod is rotatably connected between the left side wall and the right side wall inside the transmission shell, the upper surface of the box body is provided with a driving mechanism, the two sides of the transmission rod are respectively provided with a driving belt wheel, the left side and the right side wall inside the box body are respectively provided with an installation frame, the two installation frames are respectively provided with a rotating shaft, one end opposite to the two rotating shafts is respectively connected with a driven belt wheel, a toothed belt is respectively connected between the two driving belt wheels and the driven belt wheels corresponding to the driving belt wheels, one end opposite to the two rotating shafts is respectively connected with a fan, the two fans promote the air inside of the box body to circulate, the air inside the box body circulates, and effectively fans heat the electrical secondary equipment, meanwhile, the drying function is achieved, the electric secondary equipment is prevented from getting damp, and the short circuit of the circuit is avoided.

Description

Protection device of electrical secondary equipment

Technical Field

The utility model relates to the technical field of electrical protection devices, in particular to a protection device of electrical secondary equipment.

Background

The electric secondary equipment is low-voltage electric equipment which is required for monitoring, controlling, adjusting and protecting the work of the primary equipment and providing operation conditions or production command signals for operation and maintenance personnel. Such as fuses, buttons, indicator lights, control switches, relays, control cables, instruments, signal devices, automatic devices and the like, at present, along with the continuous improvement of the power levels of many electrical devices, the heat productivity of internal devices is also higher and higher, and the circuit short circuit is easily caused by overhigh temperature, so that a protection device convenient for heat dissipation is urgently needed, and a protection device of electrical secondary equipment is provided for the people.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a protection device for an electrical secondary device to solve the problems of the related art.

In order to achieve the purpose, the utility model provides the following technical scheme: a protection device for electrical secondary equipment comprises a box body, wherein ventilation grids are respectively arranged on the left side wall and the right side wall of the box body, a transmission shell is fixedly arranged on the upper surface of the box body, a transmission rod is rotatably connected between the left side wall and the right side wall inside the transmission shell, a driving mechanism is arranged on the upper surface of the box body, the driving mechanism extends into the transmission shell and is connected with the transmission rod, driving belt wheels are respectively arranged on two sides of the transmission rod, mounting frames are respectively arranged on the left side and the right side of the side wall inside the box body, rotating shafts are respectively arranged on the two mounting frames, the two rotating shafts respectively penetrate through the upper side of the mounting frames and are rotatably connected with the mounting frames, one ends, opposite to the two rotating shafts, of the two driving belt wheels respectively correspond to the two driven belt wheels up and down, and toothed belts are respectively connected between the two driving belt wheels and the corresponding driven belt wheels, two the one end that the pivot was carried on the back mutually is connected with the fan respectively, two the fan corresponds with two ventilation grids respectively, the inside of box is equipped with electric secondary equipment.

Preferably, the lower surface of box is connected with the bottom plate, the bottom plate is the rectangular plate, the lower surface four corners of bottom plate is equipped with the locking universal wheel respectively.

Preferably, the upper side wall in the box body is provided with a net bag, and a drying agent is filled in the net bag.

Preferably, the driving mechanism comprises a driving motor, a driving bevel gear and a driven bevel gear, the driving motor is fixedly mounted on the upper surface of the box body, the driven bevel gear is fixedly mounted in the center of the transmission rod, the output end of the driving motor extends into the transmission shell, the driving bevel gear is mounted at the output end of the driving motor, and the driving bevel gear is in meshed connection with the driven bevel gear.

Preferably, the front side of the box body is hinged with an access door, and the access door is provided with observation glass.

Compared with the prior art, the utility model has the beneficial effects that: the utility model provides an electric secondary equipment's protection device passes through actuating mechanism's output and drives the transfer line and rotate, the rotation of transfer line directly drives the driving pulley rotation of its both sides, two driving pulley drive two tooth belts respectively and transmit, two tooth belts drive two driven pulleys respectively and rotate, two driven pulleys drive two pivots respectively and rotate, the rotation of two pivots drives the fan respectively and rotates, two fans carry out synchronous motion, two fans make the inside circulation of air of box, effectually fan heat to electric secondary equipment, also play dry effect simultaneously, avoid electric secondary equipment to get damp again, avoid causing the short circuit of circuit.

Drawings

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

FIG. 2 is a front sectional structural view of the present invention;

FIG. 3 is a schematic view of the present invention at the mounting frame;

fig. 4 is a schematic structural diagram of the driving mechanism of the present invention.

In the figure: 1-box body, 2-ventilation grille, 3-transmission shell, 4-transmission rod, 5-driving mechanism, 501-driving motor, 502-driving bevel gear, 503-driven bevel gear, 6-driving belt wheel, 7-mounting rack, 8-rotating shaft, 9-driven belt wheel, 10-toothed belt, 11-fan, 12-electric secondary equipment, 13-bottom plate, 14-locking universal wheel, 15-net bag, 16-access door and 17-observation glass.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a protection device of electrical secondary equipment, includes box 1, the left and right sides wall of box 1 is equipped with ventilation grid 2 respectively, and ventilation grid 2 is used for the ventilation of box 1, the last fixed surface of box 1 installs transmission housing 3, it is connected with transfer line 4 to rotate between the inside left and right sides wall of transmission housing 3, the upper surface of box 1 is equipped with actuating mechanism 5, actuating mechanism 5 stretches into the inside of transmission housing 3 and is connected with transfer line 4, and actuating mechanism 5 is used for driving transfer line 4 and rotates, the both sides of transfer line 4 are equipped with driving pulley 6 respectively, the inside lower side wall left and right sides of box 1 is equipped with mounting bracket 7 respectively, is equipped with pivot 8 on two mounting bracket 7 respectively, two pivot 8 pass the upside of mounting bracket 7 respectively and rotate with mounting bracket 7 and be connected, two the one end that pivot 8 is relative is connected with driven pulley 9 respectively, the two driving belt wheels 6 respectively correspond to the two driven belt wheels 9 up and down, a toothed belt 10 is connected between each driving belt wheel 6 and the corresponding driven belt wheel 9, the toothed belt 10 penetrates through the upper side wall of the box body 1 and does not interfere with the upper side wall of the box body 1, one end of each rotating shaft 8, which is opposite to the other end, is respectively connected with a fan 11, a driving mechanism 5 is started, the output end of the driving mechanism 5 drives a transmission rod 4 to rotate, the rotation of the transmission rod 4 directly drives the driving belt wheels 6 on the two sides of the transmission rod to rotate, the two driving belt wheels 6 respectively drive the two toothed belts 10 to transmit, the two toothed belts 10 respectively drive the two driven belt wheels 9 to rotate, the two driven belt wheels 9 respectively drive the two rotating shafts 8 to rotate, the rotation of the two rotating shafts 8 respectively drive the fans 11 to rotate, the two fans 11 perform synchronous motion, and the two fans 11 promote the internal air circulation of the box body 1, two fan 11 corresponds with two ventilation grids 2 respectively, the inside of box 1 is equipped with electric secondary equipment 12, and the inside circulation of air of box 1 is effectual carries out the fan heat to electric secondary equipment 12, also plays dry effect simultaneously, avoids electric secondary equipment to get damp again, causes the circuit short circuit.

Particularly, the lower surface of box 1 is connected with bottom plate 13, bottom plate 13 is the rectangular plate, the lower surface four corners of bottom plate 13 is equipped with locking universal wheel 14 respectively, and setting for of locking universal wheel 14 makes this device more nimble, is convenient for remove this device.

Particularly, the inside of box 1 goes up the lateral wall and is equipped with string bag 15, the inside packing of string bag 15 has the drier, and the drier can be dried the inside of box 1, and the inside air of box 1 is in the circulation state simultaneously, guarantees that the drier can be thorough to the inside drying of box 1, and the effectual inside humidity of avoiding box 1 avoids the circuit short circuit.

Specifically, the driving mechanism 5 includes a driving motor 501, a driving bevel gear 502 and a driven bevel gear 503, the driving motor 501 is fixedly installed on the upper surface of the box 1, the driven bevel gear 503 is fixedly installed in the center of the transmission rod 4, the rotation of the driven bevel gear 503 can drive the transmission rod 4 to rotate, the driven bevel gear 503 is arranged in the center of the transmission rod 4, so that the two sides of the transmission rod 4 are stressed more evenly, the transmission efficiency of the transmission rod 4 is ensured, the output end of the driving motor 501 extends into the transmission shell 3, the driving bevel gear 502 is installed at the output end of the driving motor 501, the driving bevel gear 502 is engaged with the driven bevel gear 503, the driving motor 501 is started, the output end of the driving motor 501 drives the driving bevel gear 502 to rotate, the driving bevel gear 502 drives the driven bevel gear 503 to rotate, the driven bevel gear 503 directly drives the transmission rod 4 to rotate, thereby driving the transmission rod 4.

Particularly, the leading flank of box 1 articulates there is access door 16, be equipped with observation glass 17 on the access door 16, observation glass 17 is used for observing the inside condition of box 1, opens access door 16, alright in order to overhaul maintenance, the later stage of being convenient for use to electrical secondary equipment 12.

The working principle is as follows: when the utility model is used, the driving mechanism 5 is started, the driving motor 501 of the driving mechanism 5 operates, the output end of the driving motor 501 drives the driving bevel gear 502 to rotate, the driving bevel gear 502 drives the driven bevel gear 503 to rotate, the rotation of the driven bevel gear 503 directly drives the transmission rod 4 to rotate, so as to realize the driving of the transmission rod 4, the rotation of the transmission rod 4 directly drives the driving belt pulleys 6 on both sides thereof to rotate, the two driving belt pulleys 6 respectively drive the two toothed belts 10 to transmit, the two toothed belts 10 respectively drive the two driven belt pulleys 9 to rotate, the two driven belt pulleys 9 respectively drive the two rotating shafts 8 to rotate, the rotation of the two rotating shafts 8 respectively drive the fans 11 to rotate, the two fans 11 perform synchronous motion, the two fans 11 promote the internal air circulation of the box body 1, and effectively perform heat dissipation on the electrical secondary equipment 12, meanwhile, the drying function is achieved, and the phenomenon that the electrical secondary equipment is wet to cause short circuit is avoided.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a protection device of electrical secondary equipment, includes box (1), its characterized in that: the left side wall and the right side wall of the box body (1) are respectively provided with a ventilation grating (2), the upper surface of the box body (1) is fixedly provided with a transmission shell (3), a transmission rod (4) is rotatably connected between the left side wall and the right side wall of the inside of the transmission shell (3), the upper surface of the box body (1) is provided with a driving mechanism (5), the driving mechanism (5) stretches into the inside of the transmission shell (3) and is connected with the transmission rod (4), two sides of the transmission rod (4) are respectively provided with a driving belt wheel (6), the left side and the right side of the side wall of the inside of the box body (1) are respectively provided with a mounting frame (7), two mounting frames (7) are respectively provided with a rotating shaft (8), the two rotating shafts (8) respectively penetrate through the upper side of the mounting frame (7) and are rotatably connected with the mounting frame (7), and one opposite ends of the two rotating shafts (8) are respectively connected with a driven belt wheel (9), two driving pulley (6) correspond from top to bottom with two driven pulley (9) respectively, two driving pulley (6) are connected with cingulum (10) respectively rather than between corresponding driven pulley (9), two the one end that pivot (8) carried on the back mutually is connected with fan (11) respectively, two fan (11) correspond with two ventilation grid (2) respectively, the inside of box (1) is equipped with electric secondary equipment (12).

2. A protection device for electric secondary equipment according to claim 1, characterized in that: the lower surface of box (1) is connected with bottom plate (13), bottom plate (13) are the rectangular plate, the lower surface four corners of bottom plate (13) is equipped with locking universal wheel (14) respectively.

3. A protection device for electric secondary equipment according to claim 1, characterized in that: the drying box is characterized in that a net bag (15) is arranged on the upper side wall in the box body (1), and a drying agent is filled in the net bag (15).

4. A protection device for electric secondary equipment according to claim 1, characterized in that: the driving mechanism (5) comprises a driving motor (501), a driving bevel gear (502) and a driven bevel gear (503), the driving motor (501) is fixedly installed on the upper surface of the box body (1), the driven bevel gear (503) is fixedly installed in the center of the transmission rod (4), the output end of the driving motor (501) extends into the transmission shell (3), the driving bevel gear (502) is installed at the output end of the driving motor (501), and the driving bevel gear (502) is meshed with the driven bevel gear (503).

5. A protection device for electric secondary equipment according to claim 1, characterized in that: the front side face of the box body (1) is hinged with an access door (16), and observation glass (17) is arranged on the access door (16).