CN212518131U

CN212518131U - Anti-freezing device for high-voltage transmission line distribution box

Info

Publication number: CN212518131U
Application number: CN202021444970.8U
Authority: CN
Inventors: 岳仁强; 吴光贤; 王小炜; 其他发明人请求不公开姓名
Original assignee: Henan Huamin Electric Power Design Co ltd
Current assignee: Henan Huamin Electric Power Design Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-02-09
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses an anti-freezing device for on high tension transmission line block terminal, the front of box planking is articulated through hinge and chamber door shell, and the first heat preservation of fixedly connected with is cotton between the front of chamber door shell inner wall and the back, the cotton fixedly connected with heat insulating board all around of first heat preservation, one side fixedly connected with heating wire of heat insulating board, the one side fixedly connected with heat-conducting plate of heating wire, heat-conducting plate and chamber door shell inner wall between all around reserve the water conservancy diversion passageway, the utility model relates to a circuit technical field that prevents frostbite. This an anti-freezing device for on high tension transmission line block terminal utilizes the round heating wire that sets up in the chamber door inside to heat chamber door environment all around, and the gap between outside, chamber door and the box of chamber door is iced by the ice-seal, heats the deicing all around to the chamber door through controlling the heating wire, and what can relax removes chamber door icing all around, very big has made things convenient for the maintenance inspection work of block terminal in the environment that ice and snow frost freezes.

Description

Anti-freezing device for high-voltage transmission line distribution box

Technical Field

The utility model relates to a circuit technical field that prevents frostbite specifically is an anti-freezing device for on high tension transmission line block terminal.

Background

The distribution box has the characteristics of small volume, simple and convenient installation, special technical performance, fixed position, unique configuration function, no limitation of places, universal application, stable and reliable operation, high space utilization rate, less occupied area and environmental protection effect, is a control center for reasonably distributing electric energy by various components in a power supply line, is a control link for reliably receiving an upper end power supply and correctly feeding out load electric energy, is also a key for acquiring whether a user is satisfied with the power supply quality, improves the operation reliability of the power distribution box, is a target for creating excellent quality engineering, can reasonably distribute electric energy, is convenient for opening and closing the circuit, has higher safety protection level, can visually display the conduction state of the circuit, has lower limit temperature requirement due to the distribution box, is easy to cause faults due to low temperature when being used in a long-term cold area, and when snowing, the top of block terminal is easy snow, and the box is easy to freeze.

Current block terminal all uses under conventional condition, does not have certain safeguard measure when microthermal extremely cold area uses, causes the low temperature trouble of inside components and parts easily, and in addition when rainy snowy, the easy formation freezes, and the chamber door is difficult to open during the maintenance detects, and the block terminal is crushed to easy snow in top.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an anti-freezing device for on high tension transmission line block terminal has solved the use of low temperature environment and has had the easy trouble of heat preservation measure, and the chamber door can not be opened when the box forms the maintenance of freezing easily when raining and snowing, the easy snow problem in box top.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an anti-freezing device for on high tension transmission line block terminal, includes box inner panel, box planking, inner chamber and chamber door shell, and the front of box planking is articulated through hinge and chamber door shell, the first heat preservation cotton of fixedly connected with between the front and the back of chamber door shell inner wall, the fixedly connected with heat insulating board all around of first heat preservation cotton, the heat insulating board deviates from the cotton one side fixedly connected with heating wire of first heat preservation, the heating wire deviates from the one side fixedly connected with heat-conducting plate of heat insulating board, it has the water conservancy diversion passageway to reserve between all around of heat-conducting plate and chamber door shell inner wall, the water conservancy diversion hole has been seted up all around of chamber door shell, the positive fixedly connected with baffle of box inner.

Preferably, the front surface of the box door shell is fixedly connected with a handle, and the front surface of the box body outer plate is provided with two diversion trenches below the box door shell.

Preferably, the top of the outer plate of the box body is fixedly connected with a top plate, a cavity is formed in the top plate, and an electric heating tube is fixedly connected between two side faces of the inner wall of the cavity.

Preferably, the top of the top plate is initially recessed.

Preferably, a second heat-preservation cotton is fixedly connected between the opposite surfaces of the outer box plate and the inner box plate.

Preferably, the bottom of the outer plate of the box body is fixedly connected with a mounting leg.

Advantageous effects

The utility model provides an anti-freezing device for on high tension transmission line block terminal. Compared with the prior art, the method has the following beneficial effects:

(1) the anti-freezing device for the distribution box of the high-voltage transmission line is hinged with a box door shell through a hinge at the front side of an outer plate of the box body, first heat-insulating cotton is fixedly connected between the front side and the back side of the inner wall of the box door shell, heat-insulating plates are fixedly connected at the periphery of the first heat-insulating cotton, heating wires are fixedly connected at one sides of the heat-insulating plates, which are far away from the heat-insulating plates, heat-conducting plates are fixedly connected at the sides of the heating wires, which are far away from the heat-insulating plates, flow-guiding channels are reserved between the heat-conducting plates and the periphery of the inner wall of the box door shell, flow-guiding holes are formed at the periphery of the box door shell, the periphery of the box door can be heated by utilizing a circle of heating wires arranged in the box door, when the external temperature is low and rain and snow, the maintenance inspection work of block terminal in the environment that ice and snow frost freezes has greatly been made things convenient for to because of the inside water conservancy diversion passageway that is provided with the ice water that supplies to melt of chamber door, the chamber door still is provided with rubber sealing strip with the position of box contact, thereby outside the outflow incasement that water in the chamber door gap can be very natural, can not enter into the normal operating of incasement influence block terminal.

(2) This an anti-freezing device for on high tension transmission line block terminal, front fixedly connected with baffle through the box inner panel, the front fixedly connected with rubber sealing strip of baffle, fixedly connected with second heat preservation cotton between the relative face of box planking and box inner panel, the second heat preservation cotton that utilizes the inside setting of box, round sealing rubber strip when the chamber door is closed in addition, with the inside isolated division of external environment with the box, guaranteed that the internal temperature of box can not hang down excessively to the normal operating of equipment has been protected.

(3) This an anti-freezing device for on high tension transmission line block terminal, through the top fixedly connected with roof of box planking, the cavity has been seted up to the inside of roof, and fixedly connected with electrothermal tube utilizes the roof that has the electrothermal tube between the both sides face of cavity inner wall, when snow is too much, heats the roof through the electrothermal tube, removes snow, has protected the box not to be crushed by snow.

Drawings

Fig. 1 is a perspective view of the present invention;

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

fig. 3 is a right sectional view of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 3 according to the present invention.

In the figure: 1 inner box plate, 2 outer box plates, 3 inner cavities, 4 box door shells, 5 first heat-preservation cotton, 6 heat-insulation plates, 7 heating wires, 8 heat-conducting plates, 9 flow-guiding channels, 10 flow-guiding holes, 11 baffle plates, 12 rubber sealing strips, 13 handles, 14 flow-guiding grooves, 15 top plates, 16 cavities, 17 electric heating tubes, 18 grooves, 19 second heat-preservation cotton and 20 mounting legs.

Detailed Description

The technical solutions in the embodiments of 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 obvious 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. 1-4, the present invention provides a technical solution: an anti-freezing device used on a distribution box of a high-voltage transmission line comprises a box inner plate 1, a box outer plate 2, an inner cavity 3 and a box door shell 4, components inside the distribution box are all arranged on the inner cavity 3 of the box, the top of the box outer plate 2 is fixedly connected with a top plate 15, a cavity 16 is arranged inside the top plate 15, an electric heating pipe 17 is fixedly connected between two side surfaces of the inner wall of the cavity 16, the top of the top plate 15 starts to be provided with a groove 18, the inner wall of the groove 18 is fixedly connected with a pressure sensor, the pressure signal is converted into an electric signal through the sensor, so that the working condition of the electric heating pipe 17 is controlled, the top plate 15 with the electric heating pipe 17 is utilized, when the accumulated snow is excessive, the electric heating pipe 17 heats the top plate 15 to melt the accumulated snow, the box is protected from being crushed by the accumulated, two diversion trenches 14 are arranged on the front surface of the box body outer plate 2 and below the box door shell 4, a first heat insulation cotton 5 is fixedly connected between the front surface and the back surface of the inner wall of the box door shell 4, a heat insulation plate 6 is fixedly connected around the first heat insulation cotton 5, a heating wire 7 is fixedly connected to one surface of the heat insulation plate 6, which deviates from the heat insulation plate 6, a heat conduction plate 8 is fixedly connected to one surface of the heating wire 7, which deviates from the heat insulation plate 6, a diversion channel 9 is reserved between the heat conduction plate 8 and the periphery of the inner wall of the box door shell 4, diversion holes 10 are arranged around the box door shell 4, temperature sensors are arranged at four corners of the box door shell 4, a thermistor is arranged in the box body, the resistance value changes at one degree when the temperature changes, the resistance value can be directly used as an output signal, the environment around the box door can be heated by utilizing a circle of electric heating wire 7 arranged inside the box door, when the external temperature is lower and the weather is rainy or snowy, the gap between the box door and the box body is frozen and sealed, the ice around the box door can be melted by controlling the electric heating wire 7, the ice around the box door can be easily melted, the maintenance and inspection work of the distribution box in the environment of ice, snow and frost is greatly facilitated, in addition, a flow guide channel 9 for flowing of melted ice is arranged inside the box door, a rubber sealing strip 12 is also arranged at the position where the box door is contacted with the box body, the water in the gap of the box door can naturally flow out of the box body and cannot enter the box body to influence the normal operation of the distribution box, a baffle plate 11 is fixedly connected to the front surface of a box body inner plate 1, a rubber sealing strip 12 is fixedly connected to the front surface of the baffle plate 11, and a second heat insulation cotton 19 is fixedly connected between, the second heat-preservation cotton 19 arranged inside the box body and the rubber sealing strip 12 in the circle when the box door is closed are utilized to isolate the inside of the box body from the external environment, so that the temperature in the box body is ensured not to be too low, and the normal operation of the equipment is protected.

When the refrigerator is used, when rain and snow cover the surface of the refrigerator body to form ice, the system controls the heating wires 7 and the electric heating tubes 17 to work, the heating wires 7 and the electric heating tubes 17 generate heat, ice blocks around a refrigerator door of the distribution box are melted, snow on the top plate 15 is melted, the melted snow on the top plate 15 flows into the grooves 18 for guiding, then flows out of two sides of the top plate 15, the melted ice in a gap between the refrigerator door and the refrigerator body flows into the guide channels 9 through the guide holes 10 for guiding, then flows into the guide grooves 14 through the guide holes 10 at the bottom of the refrigerator door, finally is discharged out of the refrigerator body, after melting is finished, the ambient temperature around the refrigerator door shell 4 rises, the pressure on the top plate 15 returns to be normal, the control system cuts off the power of the heating wires 7 and the electric.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an anti-freezing device for on high tension transmission line block terminal, includes box inner panel (1), box planking (2), inner chamber (3) and chamber door shell (4), its characterized in that: the front of box planking (2) is articulated through hinge and chamber door shell (4), the first heat preservation cotton (5) of fixedly connected with between the front and the back of chamber door shell (4) inner wall, fixedly connected with heat insulating board (6) all around of first heat preservation cotton (5), heat insulating board (6) deviate from one side fixedly connected with heating wire (7) of first heat preservation cotton (5), one side fixedly connected with heat-conducting plate (8) that heat insulating board (6) deviate from in heating wire (7), it has water conservancy diversion passageway (9) to reserve between all around of heat-conducting plate (8) and chamber door shell (4) inner wall, water conservancy diversion hole (10) have been seted up all around of chamber door shell (4), the front fixedly connected with baffle (11) of box inner panel (1), the front fixedly connected with rubber seal strip (12) of baffle (11).

2. The anti-freezing device for the distribution box of the high-voltage transmission line according to claim 1, wherein: the front of the box door shell (4) is fixedly connected with a handle (13), and the front of the box body outer plate (2) is positioned below the box door shell (4) and is provided with two diversion trenches (14).

3. The anti-freezing device for the distribution box of the high-voltage transmission line according to claim 1, wherein: the top of the box body outer plate (2) is fixedly connected with a top plate (15), a cavity (16) is formed in the top plate (15), and an electric heating tube (17) is fixedly connected between two side faces of the inner wall of the cavity (16).

4. The anti-freezing device for the distribution box of the high-voltage transmission line according to claim 3, wherein: the top of the top plate (15) is provided with a groove (18).

5. The anti-freezing device for the distribution box of the high-voltage transmission line according to claim 1, wherein: and a second heat-preservation cotton (19) is fixedly connected between the opposite surfaces of the outer box plate (2) and the inner box plate (1).

6. The anti-freezing device for the distribution box of the high-voltage transmission line according to claim 1, wherein: the bottom of the box body outer plate (2) is fixedly connected with mounting legs (20).