CN213782556U

CN213782556U - Take high-voltage board hot plate of protection casing

Info

Publication number: CN213782556U
Application number: CN202022534963.3U
Authority: CN
Inventors: 陶峰; 陈鹏飞
Original assignee: SHAANXI TONGLI ELECTRIC CO Ltd
Current assignee: SHAANXI TONGLI ELECTRIC CO Ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-07-23
Anticipated expiration: 2030-11-05

Abstract

The utility model belongs to the technical field of power equipment, and relates to a high-voltage board heating plate with a protective cover, which comprises a heating plate, a protective cover, a stay cord, a slide rail, a movable pulley and a fixed pulley, wherein the movable pulley and the fixed pulley are driven to be tensioned by opening and rotating a cabinet door of a cabinet to lift the stay cord so as to lift the protective cover to shield the heating plate; the utility model discloses a stay cord and fixed pulley movable pulley's cooperation, the ascending hot plate that shields completely of protection casing when opening the cabinet door and operating, when accomplishing the operation and closing the cabinet door, the hot plate is exposed in the protection casing decline, has solved in the past and has maintained maintainer touching high temperature heat dissipation state's two problems that cause the scald of hot plate for maintenance repair work safe and reliable more, has satisfied the demand of safety in production operation, has improved maintainer's work efficiency.

Description

Take high-voltage board hot plate of protection casing

Technical Field

The utility model belongs to the technical field of power equipment, a take high-voltage board hot plate of protection casing is related to.

Background

The high-voltage switch cabinet is also called as a high-voltage cabinet, is used for performing on-off, control or protection and the like in power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system, and has the functions of overhead incoming and outgoing lines, cable incoming and outgoing lines, bus connection and the like. The method is mainly suitable for various places such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light industrial textile, industrial and mining enterprises, residential districts, high-rise buildings and the like. In some areas with high humidity, the humidity near the high-voltage cabinet can be high, the phenomena of moisture, salt fog and condensation can occur in the high-voltage cabinet, the use of equipment can be influenced, particularly, the phenomenon of condensation can directly influence the action of a mechanism in the cabinet, accidents such as creepage, flashover and the like can be caused, particularly, logic errors can be caused to some small movable contact mechanisms, and the stable work of electrical components can be influenced. Therefore, the heating plate becomes indispensable, when the temperature and the humidity in the high-voltage board operation environment can not reach the safe operation requirement, when the temperature is lower than the requirement and the humidity is higher than the requirement value, the heating plate needs to be started to heat the interior of the high-voltage board, so as to meet the temperature and humidity requirement of the safe operation of the high-voltage board.

However, when the cabinet door is opened to the maintenance maintainer and the equipment in the counter is overhauled and maintained, because the cabinet inner space is narrow and small, the hot plate often can be touched during the operation, because the hot plate is in high temperature heating radiating state always, often can take place to scald operating personnel's the condition. Therefore, a heating plate which is safer and more reliable and can not cause scalding to the operating personnel when the door is opened for maintenance and repair is urgently needed.

Disclosure of Invention

The utility model adopts the technical proposal that: a high-voltage cabinet heating plate with a protective cover comprises a heating plate 1, a protective cover 2, a first pull rope 3 and a second pull rope 4, wherein the heating plate 1 is fixedly connected with the inner wall of a side plate 5 of a cabinet, slide rails 6 are arranged on two sides of the heating plate 1 along the vertical direction, and the protective cover 2 is connected with the slide rails 6 in a sliding manner; the cabinet side plate 5 is also fixedly connected with rotating shafts of a first fixed pulley 7, a second fixed pulley 8, a third fixed pulley 9 and a fourth fixed pulley 10, the rotating shafts of the first fixed pulley 7, the second fixed pulley 8 and the third fixed pulley 9 are perpendicular to the cabinet side plate 5, the rotating shaft of the fourth fixed pulley 10 is parallel to the cabinet side plate 5 along the vertical direction, the first fixed pulley 7 is positioned at the outer upper side of the sliding rail 6 close to the cabinet door 11, the second fixed pulley 8 and the third fixed pulley 9 are positioned at the outer lower side of the sliding rail 6 close to the cabinet door 11, the fourth fixed pulley 10 is positioned below one side of the cabinet side plate 5 close to the cabinet door 11, a rotating rod 12 parallel to the cabinet side plate 5 horizontally extends out of the cabinet door 11, and the length of the rotating rod 12 is not less than one half of the height of the protective cover 2; one end of a first pull rope 3 is fixedly connected with the outside of the protective cover 2, winds upwards to be connected with a first fixed pulley 7, then turns to turn downwards to be sequentially connected with a second fixed pulley 8, a movable pulley 13 and a third fixed pulley 9 in a winding way, and finally the other end of the second pull rope 4 is fixedly connected with a rotating shaft of the movable pulley 13, then winds to be connected with a fourth fixed pulley 10, and then the other end of the second pull rope is fixedly connected with a rotating rod 12; when the cabinet door 11 is rotated and opened, the rotating rod 12 drives the movable pulley 13 to move towards the direction of the cabinet door, so that the first pull rope 3 is pulled to drive the protective cover 2 to slide along the sliding rail 6 to shield the heating plate 1.

Preferably, the rotation axis of the movable pulley 13, the fourth fixed pulley 10, and the rotating rod 12 are located in the same horizontal plane.

Preferably, the heating plate is further provided with a return spring 14, and one end of the return spring 14 is fixedly connected with the lower end face of the protection cover 2, and the other end of the return spring is fixedly connected with the cabinet side plate 5 below the protection cover 2.

Preferably, the first rope 3 is further provided with a length adjusting valve 15 for adjusting the length of the first rope 3.

Preferably, the protective cover 2 is made of a heat insulating material.

The utility model has the advantages that:

1. the utility model discloses a bull stick that sets up on the rack cabinet door rotates when opening when the cabinet door and drives the movable pulley and withdraw to stimulate first stay cord, promote the protection casing and slide and finally cover in the outside of hot plate along the slide rail, play the effect that prevents to contact and scald operating personnel, consequently, the utility model discloses avoided the interior hot plate of high-voltage board because of the exposed condition of high temperature heat dissipation scald operating personnel's the condition, makeed the high-voltage board overhaul to maintain safer.

2. The utility model arranges the reset spring between the protective cover and the cabinet, when the operation of the operator is completed, the cabinet door of the cabinet is closed, the reset spring contracts to drive the protective cover to slide down along the slide rail and return to the initial state, which is convenient for the operator and does not influence the continuous heating and dehumidification in the high-voltage cabinet; the utility model discloses still use thermal insulation material preparation protection casing, in operation process, instant operating personnel touches the protection casing that covers the hot plate by accident, also can not cause influence and injury to operating personnel, consequently, the utility model discloses make maintenance operation convenient and safe more.

Drawings

FIG. 1 is a front view of a hot plate of a high voltage cabinet with a protective cover in a closed non-shielding state;

FIG. 2 is an enlarged view taken from the direction A of FIG. 1;

FIG. 3 is a front view of the door in a covering state;

fig. 4 is an enlarged view of the direction B of fig. 3.

In the figure: 1. heating plates; 2. a protective cover; 3. a first pull cord; 4. a second pull cord; 5. a cabinet side plate; 6. a slide rail; 7. a first fixed pulley; 8. a second fixed pulley; 9. a third fixed pulley; 10. a fourth fixed pulley; 11. a cabinet door; 12. a rotating rod; 13. a movable pulley; 14. a return spring; 15. a length adjustment valve;

Detailed Description

The related art in the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is to be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, a high-voltage cabinet heating plate with a protective cover comprises a heating plate 1, a protective cover 2, a first pull rope 3 and a second pull rope 4, wherein the heating plate 1 is fixedly connected with the inner wall of a cabinet side plate 5, slide rails 6 are arranged on two sides of the heating plate 1 along the vertical direction, and the protective cover 2 is connected with the slide rails 6 in a sliding manner; the cabinet side plate 5 is also fixedly connected with rotating shafts of a first fixed pulley 7, a second fixed pulley 8, a third fixed pulley 9 and a fourth fixed pulley 10, the rotating shafts of the first fixed pulley 7, the second fixed pulley 8 and the third fixed pulley 9 are perpendicular to the cabinet side plate 5, the rotating shaft of the fourth fixed pulley 10 is parallel to the cabinet side plate 5 along the vertical direction, the first fixed pulley 7 is positioned at the outer upper side of the sliding rail 6 close to the cabinet door 11, the second fixed pulley 8 and the third fixed pulley 9 are positioned at the outer lower side of the sliding rail 6 close to the cabinet door 11, the fourth fixed pulley 10 is positioned below one side of the cabinet side plate 5 close to the cabinet door 11, a rotating rod 12 parallel to the cabinet side plate 5 horizontally extends out of the cabinet door 11, and the length of the rotating rod 12 is not less than one half of the height of the protective cover 2; one end of a first pull rope 3 is fixedly connected with the outside of the protective cover 2, winds upwards to be connected with a first fixed pulley 7, then turns to turn downwards to be sequentially connected with a second fixed pulley 8, a movable pulley 13 and a third fixed pulley 9 in a winding way, and finally the other end of the second pull rope 4 is fixedly connected with a rotating shaft of the movable pulley 13, then winds to be connected with a fourth fixed pulley 10, and then the other end of the second pull rope is fixedly connected with a rotating rod 12; when the cabinet door 11 is rotated and opened, the rotating rod 12 drives the movable pulley 13 to move towards the direction of the cabinet door, so that the first pull rope 3 is pulled to drive the protective cover 2 to slide along the sliding rail 6 to shield the heating plate 1.

Furthermore, the rotating shaft of the movable pulley 13, the fourth fixed pulley 10 and the rotating rod 12 are positioned in the same horizontal plane.

Further, the heating plate is also provided with a return spring 14, and one end of the return spring 14 is fixedly connected with the lower end face of the protection cover 2, and the other end of the return spring is fixedly connected with the cabinet side plate 5 below the protection cover 2.

Further, a length adjusting valve 15 is disposed on the first pull rope 3 for adjusting the length of the first pull rope 3.

Further, the protective cover 2 is made of heat insulating materials.

Examples

When the utility model is installed, one end of the first stay cord is fastened and connected outside the protective cover, the first stay cord upwards bypasses the first fixed pulley and then downwards sequentially bypasses the second fixed pulley, the movable pulley and the third fixed pulley, and then the other end is fastened and connected with the side plate of the machine cabinet; the shaft of second stay cord one end fastening connection movable pulley then other end fastening connection is in the one end of keeping away from the rack cabinet door of bull stick after the fourth fixed pulley of detour, treats the connection back that finishes, adjusts the length adjustment valve on the first stay cord, when making the cabinet door close, and the protection casing is located the below of hot plate and does not shelter from the hot plate heating, and when the cabinet door was opened, the protection casing slided along the slide rail and sheltered from the hot plate and prevents to cause the influence and scald the injury to the maintenance and repair personnel. The utility model discloses when using, when the maintenance and repair personnel need the interior operation of cabinet, open the cabinet door, slide on the protection casing and shelter from the hot plate, when the maintenance and repair personnel finishes the interior operation of cabinet, close the cabinet door, the protection casing drives first stay cord whereabouts to initial position under the dual function of reset spring and self gravity, no longer shelters from the hot plate and heats.

To sum up, the utility model provides a take high-voltage board hot plate of protection casing through the cooperation of stay cord and fixed pulley movable pulley, the hot plate is shielded completely to the protection casing rising when opening the cabinet door and operating, when accomplishing the operation and closing the cabinet door, the hot plate is exposed in the protection casing decline, has solved in the past and has maintained the problem that the hot plate two of maintainer touching high temperature radiating state caused the scald, has satisfied the demand of safety in production operation, consequently the utility model discloses possess extensive application prospect.

It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form, and any simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The heating plate with the protective cover for the high-voltage cabinet is characterized by comprising a heating plate (1), the protective cover (2), a first pull rope (3) and a second pull rope (4), wherein the heating plate (1) is fixedly connected with the inner wall of a side plate (5) of the cabinet, sliding rails (6) are arranged on two sides of the heating plate (1) along the vertical direction, and the protective cover (2) is connected with the sliding rails (6) in a sliding manner; the cabinet side plate (5) is also fixedly connected with a rotating shaft of a first fixed pulley (7), a second fixed pulley (8), a third fixed pulley (9) and a fourth fixed pulley (10), the rotating shaft of the first fixed pulley (7), the second fixed pulley (8) and the third fixed pulley (9) is perpendicular to the cabinet side plate (5), the rotating shaft of the fourth fixed pulley (10) is parallel to the cabinet side plate (5) along the vertical direction, the first fixed pulley (7) is positioned at the outer upper side of a sliding rail (6) close to the cabinet door (11), the second fixed pulley (8) and the third fixed pulley (9) are positioned at the outer lower side of the sliding rail (6) close to the cabinet door (11), the fourth fixed pulley (10) is positioned below one side of the cabinet side plate (5) close to the cabinet door (11), and a rotating rod (12) parallel to the cabinet side plate (5) horizontally extends out of the cabinet door (11), the length of the rotating rod (12) is not less than one half of the height of the protective cover (2);

one end of the first pull rope (3) is fixedly connected with the outside of the protective cover (2) and is wound upwards to be connected with the first fixed pulley (7), then the first pull rope turns to turn downwards to be sequentially wound to be connected with the second fixed pulley (8), the movable pulley (13) and the third fixed pulley (9), and finally the other end of the first pull rope is fixedly connected with the side plate (5) of the cabinet, one end of the second pull rope (4) is fixedly connected with a rotating shaft of the movable pulley (13), then the first pull rope turns to be connected with the fourth fixed pulley (10), and then the other end of the second pull rope turns to be fixedly connected with a rotating rod (12);

when the cabinet door (11) is rotated and opened, the rotating rod (12) drives the movable pulley (13) to move towards the direction of the cabinet door, so that the first pull rope (3) is pulled to drive the protective cover (2) to slide along the sliding rail (6) to shield the heating plate (1).

2. The heating plate with the protective cover for the high-voltage cabinet according to claim 1, wherein the rotating shaft of the movable pulley (13), the fourth fixed pulley (10) and the rotating rod (12) are located in the same horizontal plane.

3. The heating plate with the protective cover for the high-voltage cabinet according to claim 1, wherein the heating plate is further provided with a return spring (14), one end of the return spring (14) is fixedly connected with the lower end face of the protective cover (2), and the other end of the return spring is fixedly connected with a cabinet side plate (5) below the protective cover (2).

4. The heating plate with the protective cover for the high-voltage cabinet according to claim 1, wherein a length adjusting valve (15) is further arranged on the first pull rope (3).

5. The heating plate with protective cover for high voltage cabinets of claim 1, characterized in that the protective cover (2) is made of a heat insulating material.