CN217332694U

CN217332694U - Insulation aging test device for power distribution wires under different salt spray concentration conditions

Info

Publication number: CN217332694U
Application number: CN202122820621.2U
Authority: CN
Inventors: 田野; 朱义东; 边凯; 刘云松; 宋卓然; 范维; 向念文; 王庆杰; 赵琳; 王超; 王珊珊; 呼笑笑; 顾泰宇; 李纯正
Original assignee: State Grid Corp of China SGCC; Electric Power Research Institute of State Grid Liaoning Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; Electric Power Research Institute of State Grid Liaoning Electric Power Co Ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-08-30
Anticipated expiration: 2031-11-17

Abstract

The utility model belongs to the technical field of power equipment is insulating, especially, relate to a distribution wire insulation aging testing arrangement under different salt fog concentration conditions. The utility model discloses a salt fog concentration test sensor is connected with salt fog concentration test sensor in the salt fog case, and the salt fog case is connected with the box of built-in ultrasonic atomization board through first connecting pipe, and the ultrasonic atomization board leads to the second connecting pipe and is connected with the water tank. The utility model discloses testing arrangement has simple structure, installation and convenient to use's characteristics, and the regulation of salt fog incasement concentration size is realized through adjustment ultrasonic atomization board, shutter that can be very convenient. And the insulation aging test can be more conveniently realized under different concentration conditions and different time conditions. The testing precision and the working efficiency of the insulation aging test can be effectively improved, and a powerful support is provided for the detection test and aging evaluation research of the strong influence of the power distribution lead field under the salt spray condition.

Description

Distribution wire insulation aging testing device under different salt spray concentration conditions

Technical Field

The utility model belongs to the technical field of power equipment is insulating, especially, relate to a distribution wire insulation aging testing arrangement under different salt fog concentration conditions.

Background

In urban power distribution networks, the insulation of overhead conductors has realized large-area coverage, and is a common insulation protection measure for the current power distribution networks. Along with the long-term operation of wire, its surperficial insulating can age gradually, especially under environment such as salt fog, haze, still can accelerate the ageing of insulating epidermis and produce the scar, and then produce leakage current, finally arouse single-phase earth fault, seriously influenced the reliability of personal safety and power supply.

Therefore, the influence of salt mist on the insulation deterioration of the wire needs to be grasped, and the aging degree needs to be effectively evaluated so as to avoid the generation of defects and faults.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists among the above-mentioned prior art, the utility model provides a distribution wire insulation aging testing arrangement under different salt fog concentration condition. The invention aims to realize the purposes of detection test and aging evaluation research of the field intensity influence of the power distribution conductor under the salt spray condition.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is:

distribution wire insulation aging testing arrangement under different salt fog concentration conditions, including salt fog concentration test sensor, there is salt fog concentration test sensor salt fog incasement connection, and the salt fog case is connected with the box of built-in ultrasonic atomization board through first connecting pipe, and the ultrasonic atomization board leads to the second connecting pipe to be connected with the water tank.

Furthermore, the upper part of the salt fog box is connected with a shutter, the bottom of the salt fog box is of an open structure, four side box bodies of the salt fog box are made of glass materials, and two opposite side surfaces are correspondingly provided with openings with smaller areas.

Furthermore, the opening is positioned in the middle of two opposite side surfaces of the salt fog box,

furthermore, the opening is a square opening, a rectangular opening or a circular opening.

Further, the diameter of the opening is 5-10cm, and the position of the opening is 1.2-1.8 m away from the ground.

Furthermore, the salt fog box is a square or rectangular box body, the height is 2m-3m, the length is 2m-4m, and the width is 1.5m-2.5 m.

Furthermore, the ultrasonic atomization plate is placed in a box body with the built-in ultrasonic atomization plate, and a water inlet at the other end of the ultrasonic atomization plate is connected with a water outlet of the water tank through a second connecting pipe.

Further, the diameter of the first connecting pipe is 10-20 cm.

Furthermore, a switch capable of controlling the water yield is arranged on the water tank.

The utility model has the following beneficial effects and advantages:

the utility model discloses distribution wire insulation aging testing device under different salt fog concentration conditions has simple structure, installation and convenient to use's characteristics, can be very convenient realize the regulation of salt fog incasement concentration size through adjustment ultrasonic atomization board, shutter. And the insulation aging test can be more conveniently realized under different concentration conditions and different time conditions. The test precision and the working efficiency of the insulation aging test can be effectively improved, and a powerful support is provided for the detection test and the aging evaluation research of the strong influence of the power distribution conductor field under the salt spray condition.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is the structure schematic diagram of the utility model discloses distribution wire insulation aging testing arrangement under different salt fog concentration conditions.

In the figure:

the salt fog box comprises a salt fog box 1, a shutter 2, an opening 3, a display 4 of a salt fog concentration test sensor, a first connecting pipe 5, a box body 6 with an ultrasonic atomization plate arranged inside, a second connecting pipe 7 and a water tank 8.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

The technical solution of some embodiments of the present invention is described below with reference to fig. 1.

Example 1

The utility model provides an embodiment is the insulating aging testing device of distribution wire under the different salt fog concentration condition, as shown in FIG. 1, FIG. 1 is the utility model relates to an insulating aging testing device's of distribution wire under the different salt fog concentration condition structural schematic diagram.

Wherein, the utility model relates to a distribution wire insulation aging testing arrangement under different salt fog concentration condition, include: salt fog case 1, salt fog concentration test sensor, ultrasonic atomization board and water tank 8 constitute. Specifically, a salt spray concentration test sensor is connected in the salt spray box 1, the salt spray box 1 is connected with the ultrasonic atomization plate through a first connecting pipe 5, and the ultrasonic atomization plate is connected with the water tank 8 through a second connecting pipe 7.

The salt fog box 1 is a square or rectangular box body, the height is 2m-3m, the length is 2m-4m, and the width is 1.5m-2.5 m.

The upper part of the salt spray box 1 is fixedly connected with a shutter 2, and the shutter can be opened and closed through a switch or a pull rod so as to remove salt spray after the test is finished. The bottom of the salt fog box 1 is not packaged and is of an open structure. Four side box bodies of the salt fog box 1 are made of glass materials, and two opposite side surfaces are correspondingly provided with openings 3 with small areas.

The diameter of the opening 3 is 5-10cm, and the position of the opening is 1.2-1.8 m away from the ground. The position of the opening 3 is arranged in the middle of two opposite side surfaces of the salt spray box 1, the opening 3 can be a square opening or a rectangular opening or a circular opening, and the purpose is to penetrate a power distribution lead or a cable through the salt spray box 1.

The salt fog box 1 and the inner side wall are fixedly connected with salt fog concentration test sensors, and the display 4 of the salt fog concentration test sensors is fixedly connected to the glass on the side surface of the salt fog box 1, so that an operator can observe and read the salt fog concentration in the salt fog box 1 through a glass observation port more visually.

The right lower corner of the side surface of the salt spray box 1 is fixedly connected with a first connecting pipe 5 with the diameter of 10-20cm, and the other end of the first connecting pipe 5 is connected with a box body 6 with an ultrasonic atomization plate arranged inside.

The ultrasonic atomization plate is placed in a box body 6 with the built-in ultrasonic atomization plate, and the box body 6 with the built-in ultrasonic atomization plate is connected with the salt spray box 1 through a pipe with the diameter of 10-20 cm. And a water inlet at the other end of the ultrasonic atomization plate is connected with a water outlet of the water tank 8 through a second connecting pipe 7.

And a switch capable of controlling the water yield is arranged on the water tank 8.

Example 2

The utility model also provides an embodiment, be the method of utilizing embodiment 1 distribution wire insulation aging testing arrangement under the different salt fog concentration condition to test, when concrete implementation, the utility model discloses a concrete operation process includes following step:

step 1, a switch on a water tank 8 is turned on, so that the saline water slowly flows into a tank body 6 with an ultrasonic atomization plate inside through a second connecting pipe 7.

And 2, converting water into water mist by the ultrasonic atomization plate in the box body 6 internally provided with the ultrasonic atomization plate, and reaching the salt mist box 1 through the first connecting pipe 5.

And 3, placing the tested object in the salt fog box 1, and observing the discharging condition inside through the observation port.

And 4, observing the concentration monitoring device when the salt spray concentration needs to be changed, and obtaining the required concentration by adjusting a switch of the water tank, the ultrasonic atomization plate and a shutter on the salt spray tank.

In the present application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The terms "connected" and "fixed" are to be construed broadly, e.g., "connected" may be a fixed connection, a removable connection, or an integral connection. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be understood that the indicated position or positional relationship is based on the position or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or unit must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," or the like, means 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.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents of the embodiments of the invention may be made without departing from the spirit and scope of the invention, which should be construed as falling within the scope of the claims of the invention.

Claims

1. Distribution wire insulation aging testing arrangement under different salt fog concentration condition, including salt fog concentration test sensor, characterized by: the salt fog concentration test device is characterized in that a salt fog concentration test sensor is connected in the salt fog box (1), the salt fog box (1) is connected with a box body (6) of a built-in ultrasonic atomization plate through a first connecting pipe (5), and the ultrasonic atomization plate is connected with a water tank (8) through a second connecting pipe (7).

2. The insulation aging test device for the distribution wire under the condition of different salt spray concentrations in claim 1, which is characterized in that: the upper part of the salt fog box (1) is connected with a shutter (2), the bottom of the salt fog box (1) is of an open structure, four side box bodies of the salt fog box (1) are made of glass materials, and two opposite side surfaces are correspondingly provided with openings (3).

3. The insulation aging test device for the distribution wire under the condition of different salt spray concentrations in claim 2, which is characterized in that: the opening (3) is positioned in the middle of two opposite side surfaces of the salt spray box (1).

4. The insulation aging test device for the distribution wire under the condition of different salt spray concentrations in claim 2, which is characterized in that: the opening (3) is a square opening, a rectangular opening or a circular opening.

5. The insulation aging test device for the distribution wire under the condition of different salt spray concentrations in claim 2, which is characterized in that: the diameter of the opening (3) is 5-10cm, and the position of the opening is 1.2-1.8 m away from the ground.

6. The insulation aging test device for the distribution wire under the condition of different salt spray concentrations in claim 1, which is characterized in that: the salt fog box (1) is a square or rectangular box body, the height is 2m-3m, the length is 2m-4m, and the width is 1.5m-2.5 m.

7. The insulation aging test device for the distribution wire under the condition of different salt spray concentrations in claim 1, which is characterized in that: the ultrasonic atomization plate is placed in a box body (6) with the built-in ultrasonic atomization plate, and a water inlet at the other end of the ultrasonic atomization plate is connected with a water outlet of the water tank (8) through a second connecting pipe (7).

8. The insulation aging test device for the distribution wire under the condition of different salt spray concentrations in claim 1, which is characterized in that: the diameter of the first connecting pipe (5) is 10-20 cm.

9. The insulation aging test device for the distribution wire under the condition of different salt spray concentrations in claim 1, which is characterized in that: and a switch capable of controlling the water yield is arranged on the water tank (8).