CN217692614U - Shielding type electricity-testing plug cover - Google Patents
Shielding type electricity-testing plug cover Download PDFInfo
- Publication number
- CN217692614U CN217692614U CN202122142785.4U CN202122142785U CN217692614U CN 217692614 U CN217692614 U CN 217692614U CN 202122142785 U CN202122142785 U CN 202122142785U CN 217692614 U CN217692614 U CN 217692614U
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- insert
- insulating part
- shielding
- voltage conductor
- plug
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Abstract
The utility model provides a shielding type electricity-testing blanking cover, which comprises an insulating part, a capacitance voltage-dividing insert and a high-voltage conductor insert for connecting with a switch cabinet plug; the high-voltage conductor insert is embedded into one end of the insulating part, the other end of the insulating part is provided with a groove, and the capacitance voltage-dividing insert is embedded into the other end of the insulating part and protrudes out of the groove; the high-voltage conductor insert and the capacitor voltage division insert are respectively provided with arc surfaces at the ends connected with the insulator. The utility model discloses electric blanking cover safe and reliable is tested to the shielding type, can realize the full shielding of cubical switchboard plug product to effective ground connection strengthens electrical properties and life. In addition, this shielding type electroscope blanking cover can be used to be connected with the electroscope device of outside and realize electroscope and electrified display function.
Description
Technical Field
The utility model relates to a power cable annex, more specifically say, relate to an electric blanking cover is tested to shielding type.
Background
T-shield separable connectors, also known as plugs, are commonly used in power systems because of their high suitability, convenient installation, good insulation, and low cost. However, the existing plug has poor long-term use performance and short service life, and electric field analysis and years of operation practice show that the fault of the plug product mainly comes from one side of the plug cover. Especially, with the rise of the operation voltage, if the side of the blocking cover operates for a long time, the problem of discharging and even electric tree breakdown can occur.
Because the size and the appearance of the plugging cover interface are not specified in a unified standard, and the requirements of various related manufacturers on the product at present mostly meet the most basic functions of live protection and reserved expansion, the plugging cover at the present stage does not completely meet the use requirements of the stability and the safety of a power system.
In order to improve the stability of a power system and prolong the service life of a product, a shielding type blocking cover which is suitable for higher voltage level and can be operated safely and reliably for a long time needs to be designed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the shortcoming and not enough among the prior art, provide a safe and reliable's shielding type and test electric blanking cover, this shielding type is tested electric blanking cover and can be realized the full shield of cubical switchboard plug product to effective ground connection strengthens electrical property and life. In addition, the shielding type electroscopic plugging cover can be used for being connected with an external electroscopic device and realizing electroscopic and electrified display functions.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an electric blanking cover is tested to shielding type which characterized in that: the high-voltage conductor embedded part is connected with a switch cabinet plug; the high-voltage conductor insert is embedded into one end of the insulating part, the other end of the insulating part is provided with a groove, and the capacitance voltage-dividing insert is embedded into the other end of the insulating part and protrudes out of the groove; the high-voltage conductor insert and the capacitor voltage-dividing insert are respectively provided with arc surfaces at the ends connected with the insulator.
In the above scheme, the utility model discloses a shielding type is tested on electric blanking cover accessible high voltage conductor inserts assembles to the plug for the cubical switchboard to realize the electrified protection of cubical switchboard plug product and reserve the extension, can test the electric installation through electric capacity partial pressure inserts and outside simultaneously and be connected, can make the blanking cover realize electrified demonstration and test the electric function, thereby improve electric power system's stability and the life of product. In addition, the end parts of the high-voltage conductor insert and the capacitance voltage division insert which are respectively connected with the insulator are both provided with arc surfaces, so that the problem of electric field distribution can be effectively solved.
The high-voltage conductor insert is provided with a circular groove counter bore connected with a switch cabinet plug.
And a thread structure is arranged in the counter bore of the circular groove and is connected with the mounting screw of the switch cabinet plug. The design structure can shield the nut inside the circular groove counter bore.
The high-voltage conductor insert is made of a metal material through casting; or the high-voltage conductor insert is cut from a metal material.
The capacitance voltage division insert is formed by connecting a connecting part and an installation part which is convenient for external tightening operation; the connecting part is embedded in the insulating part, and the mounting part protrudes in the groove. This installation department sets up in the recess, then rotates the operation through outside instrument to the installation department in blanking cover installation to realize the screwing up installation of blanking cover and cubical switchboard plug.
The mounting portion is of a hexagonal structure. This design allows for mating of the mounting portion with a hex wrench.
The inside of connecting portion is provided with the helicitic texture that is used for examining the electric installation with the outside and is connected. This design can be convenient for blanking cover and outside test being connected of electric installation to the realization is tested the electricity and is shown the function with electricity.
The insulating part is an epoxy pouring insulating part; the end face of the insulating part is provided with a frosted structure and is sprayed with a semi-conductive material. This insulating part is pour to epoxy solves the electrical insulation performance problem of blanking cover to can realize the shielding function of blanking cover, effective ground connection avoids electric charge to remain in the blanking cover side, and then solves the problem that the long-time operation electricity tree of cubical switchboard plug product punctures.
The outer surface of the high-voltage conductor insert is provided with a sand blasting structure or a knurling structure; and the outer surface of the high-voltage conductor insert is provided with a notch and/or a clamping position. The utility model discloses the design of high voltage conductor inserts surface can increase area of contact and bonding resistance, and then guarantees to pour the bonding between the insulating part good with the epoxy, the phenomenon that breaks away from can not appear.
The outer surface of the capacitance voltage division insert is provided with a sand blasting structure or a knurling structure; the outer surface of the capacitance voltage division insert is provided with a slot and/or a clamping position. The utility model discloses the design of electric capacity partial pressure inserts surface can increase area of contact and bonding resistance, and then guarantees to pour the bonding between the insulating part good with the epoxy, the phenomenon that can not appear breaking away from.
Compared with the prior art, the utility model has the advantages of as follows and beneficial effect:
1. the utility model discloses the full shielding structure of cubical switchboard plug product can be realized to the electric blanking cover is tested to the shielding type, effective ground connection, reinforcing electrical property and life.
2. The utility model discloses the shielding type is tested electric blanking cover and can be used to be connected and realize the product with the outside electric installation of testing and show the function with electricity.
3. The utility model discloses the shielding type is tested electric blanking cover appearance and is small and exquisite, simple structure, simple to operate, the operation is reliable.
Drawings
Fig. 1 is an internal schematic view of the shielding type electricity-testing plug cover of the present invention;
fig. 2 is a schematic side view of the shielding type electricity-testing plug cover of the present invention;
wherein, 1 is high voltage conductor inserts, 2 is electric capacity partial pressure inserts, 3 is epoxy pouring insulating part, 4 is the recess, 5 is the circular slot counter bore, 6 is connecting portion, 7 is the installation department.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Examples
As shown in fig. 1 and 2, the utility model discloses electric blanking cover is tested to shielding type includes that epoxy pours insulator 3, be used for with the outside electric installation of testing electric capacity partial pressure inserts 2 be connected and be used for with cubical switchboard plug connection's high tension conductor inserts 1, wherein, the one end of insulator 3 is pour in epoxy to high tension conductor inserts 1 embedding installation, and recess 4 has been seted up to the other end that insulator 3 was pour in epoxy, and electric capacity partial pressure inserts 2 embedding is installed and is pour the other end of insulator 3 and outstanding in recess 4 in epoxy. In order to effectively solve the problem of electric field distribution, the utility model discloses a tip that high voltage conductor inserts 1 and electric capacity partial pressure inserts 2 were connected with epoxy pouring insulator 3 respectively all sets up to the arc surface.
Specifically, the end face of the epoxy casting insulator 3 is provided with a frosted structure and sprayed with a semi-conductive material. This insulator is pour to epoxy 3 solves the electrical insulation performance problem of blanking cover to can realize the shielding function of blanking cover, effective ground connection avoids electric charge to remain in the blanking cover side, and then solves the problem that the long-time operation electricity tree of cubical switchboard plug product punctures.
The utility model discloses a high voltage conductor inserts 1 is made by the metal material casting, perhaps is made by the metal material car cutting. The high-voltage conductor insert 1 is provided with a circular groove counter bore 5 connected with a switch cabinet plug, a thread structure is arranged inside the circular groove counter bore 5, and the thread structure is connected with an installation screw of the switch cabinet plug. This design configuration can shield the nut inside the circular groove counterbore 5.
The outer surface of the high-voltage conductor insert 1 is provided with a sand blasting structure or a knurling structure and is provided with a groove and/or a clamping position. This design can increase area of contact and bonding resistance, and then guarantees that the bonding between high voltage conductor inserts 1 and the epoxy pouring insulator 3 is good, the phenomenon that can not appear breaking away from.
The utility model discloses an electric capacity partial pressure inserts 2 is connected by connecting portion 6 and the installation department 7 of the outside operation of screwing up of being convenient for and is constituteed, and this 6 imbeds of connecting portion and installs in epoxy pours insulating part 3, and installation department 7 is outstanding in recess 4. This installation department is hexagon structure and sets up in recess 4, then accessible hexagonal spanner rotates operation to installation department 7 in blanking cover installation to realize the screwing up installation of blanking cover and cubical switchboard plug. And the inside of the connecting part 6 is provided with a thread structure for connecting with an external electroscope. This design can be convenient for blanking cover and outside test being connected of electric installation to the realization is tested the electricity and is shown the function with electricity.
The outer surface of the capacitance voltage division insert 2 is provided with a sand blasting structure or a knurling structure and is provided with a groove and/or a clamping position. The utility model discloses the design of electric capacity partial pressure inserts 2 surface can increase area of contact and bonding resistance, and then guarantees that electric capacity partial pressure inserts 2 and epoxy pour the bonding between the insulator 3 good, the phenomenon that can not appear breaking away from.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (10)
1. The utility model provides an electric blanking cover is tested to shielding type which characterized in that: the high-voltage conductor embedded part is connected with a switch cabinet plug; the high-voltage conductor insert is embedded into one end of the insulating part, the other end of the insulating part is provided with a groove, and the capacitance voltage-dividing insert is embedded into the other end of the insulating part and protrudes out of the groove; the high-voltage conductor insert and the capacitor voltage division insert are respectively provided with arc surfaces at the ends connected with the insulator.
2. The electrical blanking cover is tested to shielding type according to claim 1, characterized in that: the high-voltage conductor insert is provided with a circular groove counter bore connected with a switch cabinet plug.
3. The electrical blanking cover is tested to shielding type according to claim 2, characterized in that: and a thread structure is arranged in the counter bore of the circular groove and is connected with the mounting screw of the switch cabinet plug.
4. The electrical blanking cover is tested to shielding type according to claim 1, characterized in that: the high-voltage conductor insert is made of a metal material through casting; or the high voltage conductor insert is cut from a metallic material.
5. The electrical blanking cover is tested to shielding type according to claim 1, characterized in that: the capacitance voltage division insert is formed by connecting a connecting part and an installation part which is convenient for external tightening operation; the connecting part is embedded in the insulating part, and the mounting part protrudes in the groove.
6. The shielding-type electroscopic plug of claim 5, wherein: the mounting portion is of a hexagonal structure.
7. The electrical blanking plug of claim 5, wherein: the inside of connecting portion is provided with the helicitic texture that is used for examining the electric installation with the outside and is connected.
8. The shielding-type electroscopic plug of claim 1, wherein: the insulating part is an epoxy pouring insulating part; the end face of the insulating part is provided with a frosted structure and is sprayed with a semi-conductive material.
9. The shielding-type electroscopic closure of claim 8, wherein: the outer surface of the high-voltage conductor insert is provided with a sand blasting structure or a knurling structure; and the outer surface of the high-voltage conductor insert is provided with a notch and/or a clamping position.
10. The electrical blanking plug of claim 8, wherein: the outer surface of the capacitance voltage division insert is provided with a sand blasting structure or a knurling structure; the outer surface of the capacitance voltage division insert is provided with a slot and/or a clamping position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122142785.4U CN217692614U (en) | 2021-09-06 | 2021-09-06 | Shielding type electricity-testing plug cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122142785.4U CN217692614U (en) | 2021-09-06 | 2021-09-06 | Shielding type electricity-testing plug cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217692614U true CN217692614U (en) | 2022-10-28 |
Family
ID=83701769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122142785.4U Active CN217692614U (en) | 2021-09-06 | 2021-09-06 | Shielding type electricity-testing plug cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217692614U (en) |
-
2021
- 2021-09-06 CN CN202122142785.4U patent/CN217692614U/en active Active
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