CN217112549U - Boosting ring for improving local field intensity of composite insulator - Google Patents
Boosting ring for improving local field intensity of composite insulator Download PDFInfo
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- CN217112549U CN217112549U CN202220510861.4U CN202220510861U CN217112549U CN 217112549 U CN217112549 U CN 217112549U CN 202220510861 U CN202220510861 U CN 202220510861U CN 217112549 U CN217112549 U CN 217112549U
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Abstract
A boost ring for improving the local field intensity of a composite insulator comprises a support arm structure, a fixed lasso and a boost cone, wherein the fixed lasso is connected with a hollow-structure metal support arm structure; the tail end of each supporting arm structure is provided with a booster cone. The plurality of supporting arms are distributed at equal intervals along the circumference of the annular lasso, and the lasso and the supporting arms are fixed through the knobs. The fixed lasso is the circular ring structure, comprises two semicircle loop configuration buckles, and the test object is fixed at the circular ring center. Several support arms are used to increase the local field strength at the surface of the test object. The boost cone is a square cone-shaped metal solid structure and has good conductivity, and the boost cone and the tail end of the support arm are in a vertical structure. The invention has simple integral structure, is light and practical, has the functions of adjustable height and adjustable distance, and can meet the requirement of local field intensity increase of different parts of insulators with different types.
Description
Technical Field
The utility model belongs to the technical field of the power equipment is experimental, especially relate to a liter clamping ring for promoting composite insulator local field intensity.
Background
The composite insulator is used as main external insulation equipment of a power system and takes a main insulation task. According to statistics, the usage amount of the composite insulators in China reaches 900 thousands, and the earliest composite insulators operate in a power grid for more than 30 years. With the increase of the quantity of the compound insulator nets and the increase of the operation period, more and more faults occur. The aging state of the composite insulator in transport needs to be evaluated, and corresponding improvement measures need to be provided. When an accelerated aging test of an insulator is carried out in a laboratory at present, the local field intensity of the insulator needs to be increased sometimes so as to achieve the purpose of accelerated aging. At present, the method for increasing the local field strength is to increase the voltage, but the voltage increase is always limited, and particularly, the voltage increase of the whole insulator is more limited by equipment. The invention provides a booster ring for improving the local field intensity of a composite insulator, which can be used for improving the local field intensity under the condition of not increasing the voltage.
SUMMERY OF THE UTILITY MODEL
For solving exist not enough among the prior art, the utility model aims to provide a simple structure just is suitable for strong local field intensity booster ring for experiment.
The utility model adopts the following technical proposal.
A boost ring for improving the local field intensity of a composite insulator comprises a support arm structure, a fixed lasso and a boost cone;
the fixed lasso is connected with the supporting arm structure; the tail end of each supporting arm structure is provided with a booster cone.
The fixed lasso is a circular ring structure and is formed by two semicircular structure buckles, and the target composite insulator is fixed in the center of the circular ring.
The booster cone is of a square cone-shaped metal solid structure, and the booster cone and the tail end of the supporting arm structure are of a vertical structure.
Each supporting arm structure consists of a distance adjusting part and a height adjusting part, and the distance adjusting part and the height adjusting part are telescopic hollow structures.
One end of the distance adjusting component is connected to the fixed lasso, and the other end of the distance adjusting component is connected to the height adjusting component.
One end of the height adjusting component is connected with the distance adjusting component, the other end of the height adjusting component is provided with the boosting cone, and the height adjusting component and the distance adjusting component are fixed through the adjusting knob.
The distance adjusting part and the height adjusting part are both provided with length scales.
The supporting arm structure is made of metal.
The beneficial effects of the utility model reside in that, compared with the prior art, the utility model discloses a flexible arm structural design, cavity metal material has guaranteed that overall structure is simple and light practical.
The utility model discloses have height-adjustable, apart from adjustable function, can satisfy the requirement that the local field intensity at the different positions of different model insulators rose.
Drawings
Fig. 1 is a schematic structural view of a booster ring for increasing the local field strength of a composite insulator according to the present invention;
fig. 2 is a front view of the booster ring for increasing the local field strength of the composite insulator of the present invention;
fig. 3 is the utility model discloses a promote experimental use schematic diagram of the booster ring of composite insulator local field intensity.
The reference numbers are listed below:
1-a support arm structure;
2-fixing a lasso;
3-a booster cone;
101-a distance adjustment member;
102-a height adjustment member;
103-adjusting knob;
4-step-up of a pressure ring;
5-target composite insulator.
Detailed Description
The present application is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
See fig. 1 ~ 3, the utility model provides a ring that steps up includes support arm structure 1, fixed lasso 2 and awl 3 that steps up.
The supporting arm structure 1 is preferably a telescopic adjusting bracket and is used for adjusting the vertical lifting height and the horizontal extending distance of the booster cone; the number of the support arm mechanisms 1 is equal to or greater than 3, and in the present embodiment, the number of the support arm mechanisms 1 is 8.
The support arm structure 1 may be composed of a distance adjusting part 101 and a height adjusting part 102, and both the distance adjusting part 101 and the height adjusting part 102 are telescopic hollow structures to ensure portability.
The distance adjusting component 101 is a horizontal sleeve type telescopic hollow structure, one end of the distance adjusting component is connected to the fixed lasso 2, the other end of the distance adjusting component is connected to the height adjusting component 102, and the horizontal distance is fixed through an adjusting knob 103 and used for adjusting the distance between the booster cone 3 and the surface of a target object.
The height adjusting component 102 is a vertical telescopic hollow structure, one end of the height adjusting component is connected with the distance adjusting component 101, the other end of the height adjusting component is provided with the booster cone 3, and the vertical height of the booster cone 3 is fixed through an adjusting knob 103 and used for adjusting the height position of the test object.
The distance adjusting part 101 and the height adjusting part 102 are both provided with length scales, and the required distance is adjusted through the adjusting knob 103 so as to ensure that the eight step-up cones 3 are at the same height and at the same distance from the surface of the test object
The fixed lasso 2 is a circular ring structure, is connected with the support arm structure 1, consists of two semicircular ring structure buckles and is used for connecting and fixing a test object, and the target composite insulator is fixed in the center of the circular ring to ensure that the eight telescopic arm mechanisms 1 can be symmetrically distributed around the target object; the boost cone 3 is a square cone, is made of metal and is of a solid structure, the boost cone 3 is arranged at the tail end of each telescopic arm mechanism 1, and the eight boost cones 3 are symmetrically distributed in a circumferential mode and are used for increasing the local field intensity of the surface of a target object.
The fixed lasso 2 is provided with a supporting arm structure 1 in a plurality of symmetrical directions respectively, the supporting arm structure is connected with a distance adjusting part 101 of the telescopic arm mechanism, and the distance adjusting part 101 is connected with the fixed lasso 2 through a knob.
The support arm structure 1, the fixed lasso 2 and the booster cone 3 are all made of metal materials, the support arm structure 1 is of a hollow sleeve structure, and the booster cone 3 is of a metal solid structure and has good conductivity.
The vertical and horizontal distances between the booster cone of the booster ring and the target insulator influence the field intensity change caused by voltage; horizontal distance variation affects more than height variation; when the height changes by 10mm, the change of the surface field intensity is less than 0.1 kV/mm; the horizontal distance increases the field intensity of the surface of the insulator by 0.2-0.4kV/mm every 10 mm.
As preferred but non-limiting examples of the invention: aiming at the 110kV composite insulator, the height adjustable range of the booster ring is 50mm-250mm, the field intensity is maximum when the horizontal distance between the booster cone 3 and the target object is 5mm, and the local field intensity of the composite insulator can be controlled within the range of 8kV/cm-12kV/cm by adjusting the horizontal distance between the booster cone 3 and the target object.
Aiming at the 220kV composite insulator, the height adjustable range of the booster ring is 50-300 mm; the field intensity is maximum when the horizontal distance between the booster cone 3 and the target object is 50 mm; the local field intensity of the composite insulator can be controlled within the range of 10kV/cm-15kV/cm by adjusting the horizontal distance between the booster cone 3 and the target object.
Aiming at a 500kV composite insulator, the height adjustable range of a booster ring is 50-350 mm, the field intensity is maximum when the horizontal distance between a booster cone 3 and a target object is 50mm, and the local field intensity of the composite insulator can be controlled within the range of 12kV/cm-18kV/cm by adjusting the horizontal distance between the booster cone 3 and the target object.
The applicant of the present invention has made detailed description and description of the embodiments of the present invention with reference to the drawings, but those skilled in the art should understand that the above embodiments are only preferred embodiments of the present invention, and the detailed description is only for helping the reader to better understand the spirit of the present invention, and not for limiting the protection scope of the present invention, on the contrary, any improvement or modification made based on the spirit of the present invention should fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides a boost ring for promoting composite insulator local field intensity which characterized in that:
the booster ring comprises a support arm structure (1), a fixed lasso (2) and a booster cone (3);
the fixed lasso (2) is connected with the supporting arm structure (1); the tail end of each supporting arm structure (1) is provided with a booster cone (3).
2. The booster ring for boosting the local field strength of a composite insulator according to claim 1, characterized in that:
the fixed lasso (2) is of a circular ring structure and is formed by two semicircular structure buckles, and the target composite insulator is fixed in the center of the circular ring.
3. The booster ring for boosting the local field strength of a composite insulator according to claim 1, characterized in that:
the number of the supporting arm structures (1) is more than or equal to three, the supporting arm structures are distributed along the circumference of the annular fixed lasso (2) at equal intervals, and the fixed lasso (2) is fixed with the supporting arm structures (1) through the knob (103).
4. The booster ring for boosting the local field strength of a composite insulator according to claim 1, characterized in that:
the booster cone (3) is of a square conical metal solid structure, and the booster cone (3) and the tail end of the support arm structure (1) are of a vertical structure.
5. The booster ring for boosting the local field strength of a composite insulator according to claim 1, characterized in that:
each supporting arm structure (1) is composed of a distance adjusting part (101) and a height adjusting part (102), and the distance adjusting part (101) and the height adjusting part (102) are telescopic hollow structures.
6. The booster ring for boosting the local field strength of a composite insulator according to claim 5, wherein:
one end of the distance adjusting part (101) is connected to the fixed lasso (2), and the other end is connected with the height adjusting part (102).
7. The booster ring for boosting the local field strength of a composite insulator according to claim 5, wherein:
one end of the height adjusting component (102) is connected with the distance adjusting component (101), the other end of the height adjusting component (102) is provided with the booster cone (3), and the height adjusting component (102) and the distance adjusting component (101) are fixed through an adjusting knob (103).
8. The booster ring for boosting the local field strength of a composite insulator according to claim 5, wherein:
the distance adjusting part (101) and the height adjusting part (102) are provided with length scales.
9. The booster ring for boosting the local field strength of a composite insulator according to claim 1, characterized in that:
the supporting arm structure is made of metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220510861.4U CN217112549U (en) | 2022-03-07 | 2022-03-07 | Boosting ring for improving local field intensity of composite insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220510861.4U CN217112549U (en) | 2022-03-07 | 2022-03-07 | Boosting ring for improving local field intensity of composite insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217112549U true CN217112549U (en) | 2022-08-02 |
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ID=82601274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220510861.4U Active CN217112549U (en) | 2022-03-07 | 2022-03-07 | Boosting ring for improving local field intensity of composite insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217112549U (en) |
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2022
- 2022-03-07 CN CN202220510861.4U patent/CN217112549U/en active Active
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