CN-224233010-U - High-temperature high-pressure sealing electric penetration piece

Abstract

The utility model discloses a high-temperature high-pressure sealing electric penetration piece, relates to the technical field of electric penetration pieces, and aims to solve the problem that the existing penetration piece is damaged due to factors such as vibration, expansion with heat and contraction with cold in the operation process of a nuclear power station, and the stability of electric power and signal transmission cannot be ensured. The penetrating piece comprises a glass sintering shell body of a penetrating piece main body part, wherein the glass sintering shell body is connected with a flange through a clamping ring, a plurality of elastic steel ball assemblies are arranged on the glass sintering assemblies and are matched with corresponding spherical holes on the flange to form a damping mechanism, and a combined metal O-shaped sealing ring is arranged on one end face of one side of the glass sintering shell body. Through structural design, promote irradiation-resistant, high temperature resistant, ageing-resistant and sealing performance, provide reliable electrical connection under extreme environment and solve the problem that the installation of penetrating piece needs to turn to.

Inventors

• CHEN ZHANYANG
• HUANG YUHANG
• HUANG XIAOJING
• CHEN HUI
• WANG HENG
• XIAO YANMEI
• CAI HONGWEI
• GONG ZHIMING
• HE ZHIGUO

Assignees

• 福建福清核电有限公司

Dates

Publication Date

20260512

Application Date

20250429

Claims (7)

1. 1. A high-temperature high-pressure sealing electrical penetrating piece is characterized by comprising a glass sintering shell (111) of a penetrating piece main body part, wherein the glass sintering shell (111) is connected with a flange (117) through a clamping ring (116), a plurality of elastic steel ball assemblies (115) are arranged on the glass sintering assemblies and are matched with corresponding spherical holes on the flange (117) to form a damping mechanism, and a combined metal O-shaped sealing ring (114) is arranged on one end face of one side of the glass sintering shell (111).
2. 2. A high temperature and high pressure sealed electrical penetration assembly according to claim 1, wherein the flange (117) has a circular structure, and a plurality of screw holes are provided thereon, and the flange (117) is fixed to the housing to be mounted by screws.
3. 3. A high temperature and high pressure sealed electrical penetration assembly according to claim 1, wherein the body of the glass sintered housing (111) is of cylindrical configuration, provided with a ring of protruding parts and a number of annular grooves.
4. 4. A high temperature and high pressure sealed electrical penetration assembly according to claim 3, wherein the lower end face of the upper protruding portion of the glass sintering housing (111) is provided with an elastic steel ball assembly (115) and is attached to the upper end face of the flange (117), and a collar (116) is provided between the outer ring edge of the protruding portion and the flange (117).
5. 5. A high temperature and high pressure sealed electrical penetration according to any of claims 1 to 4, characterized in that the glass sintering assembly and flange (117) are rotatable, the rotation being achieved by a damping mechanism.
6. 6. A high temperature and high pressure sealed electrical penetration according to claim 1, wherein the elastic steel ball assembly (115) is pressed into the glass sintered housing (111) by interference.
7. 7. The high temperature and high pressure sealed electrical penetration assembly according to claim 1, wherein the glass sintered housing (111) has inside it glass sintered pins (112) and a green glass (113) seal bonded by glass.

Description

High-temperature high-pressure sealing electric penetration piece Technical Field The utility model belongs to the technical field of electrical penetrating members, and particularly relates to a high-temperature high-pressure sealing electrical penetrating member. Background The turbine and generator penetrating piece of the nuclear power station can monitor important parameters during the operation of the generator of the nuclear power station, and can meet the electricity demand of the nuclear power station for various equipment such as the turbine and the generator to transmit current. The penetrations are required to maintain the integrity of the pressure boundary during normal and accident conditions of the reactor. The existing penetration piece has the problem that the penetration piece cannot work for a long time under the continuous irradiation and high-temperature environment. The penetrating piece used under the working conditions of high temperature, high pressure, high irradiation and vibration in the nuclear power station and the nuclear industry is damaged due to factors such as vibration, thermal expansion and cold contraction in the operation process of the nuclear power station, and the stability of power and signal transmission cannot be ensured. Disclosure of utility model The utility model aims to provide a high-temperature high-pressure sealing electric penetrating piece, which solves the problems that the existing penetrating piece is damaged due to factors such as vibration, thermal expansion and cold contraction in the operation process of a nuclear power station and the stability of electric power and signal transmission cannot be ensured. The technical scheme includes that the high-temperature high-pressure sealing electric penetrating piece comprises a glass sintering shell body of a penetrating piece main body portion, the glass sintering shell body is connected with a flange through a clamping ring, a plurality of elastic steel ball assemblies are mounted on the glass sintering assembly and matched with corresponding spherical holes on the flange to form a damping mechanism, and a combined metal O-shaped sealing ring is mounted on one end face of one side of the glass sintering shell body. The high-temperature high-pressure sealing electric penetrating piece is characterized in that the flange is of a circular structure, a plurality of screw holes are formed in the flange, and the flange is fixed on a box body to be installed through screws. The main body of the glass sintering shell is of a cylindrical structure, and a circle of protruding parts and a plurality of annular grooves are arranged on the main body. The high-temperature high-pressure sealing electric penetrating piece is characterized in that an elastic steel ball assembly is arranged on the lower end face of the protruding portion of the glass sintering shell and is attached to the upper end face of the flange, the edge of the outer ring of the protruding portion is attached to the flange, and a clamping ring is arranged between the edge of the outer ring of the protruding portion and the flange. The high-temperature high-pressure sealing electric penetration piece can rotate between the glass sintering assembly and the flange, and the rotation is achieved through the damping mechanism. The high-temperature high-pressure sealing electric penetration piece, wherein the elastic steel ball assembly is pressed into the glass sintering shell in an interference mode. The high-temperature high-pressure sealing electrical penetration piece is characterized in that a glass sintering contact pin and a glass blank sealing piece which are bonded through glass are arranged in the glass sintering shell. Compared with the prior art, the high-temperature high-pressure sealing electrical penetrating piece has the advantages that the defects of a common penetrating piece are overcome, on one hand, through improvement and upgrading, the penetrating piece is radiation-resistant, high-temperature-resistant, ageing-resistant and good in sealing performance, on the other hand, reliable electrical connection under temperature change, liquid impregnation, vibration and impact is guaranteed, and on the other hand, the problem that the penetrating piece needs to be turned is solved by adding the turning damping mechanism. Drawings FIG. 1 is a schematic cross-sectional view of a high temperature, high pressure sealed electrical penetration assembly according to the present utility model; FIG. 2 is a schematic front view of a high temperature and high pressure sealed electrical penetration assembly according to the present utility model; Fig. 3 is a schematic structural diagram of a combined metal O-ring for sealing an electrical penetration assembly at high temperature and high pressure according to the present utility model. The specification of the drawings is 111, a glass sintering shell, 112, a glass sintering pin, 113, a glass blank, 11