CN115764405A - Waterproof electric connector for 1E-grade nuclear power station - Google Patents
Waterproof electric connector for 1E-grade nuclear power station Download PDFInfo
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- CN115764405A CN115764405A CN202211405680.6A CN202211405680A CN115764405A CN 115764405 A CN115764405 A CN 115764405A CN 202211405680 A CN202211405680 A CN 202211405680A CN 115764405 A CN115764405 A CN 115764405A
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Abstract
The invention relates to a waterproof electric connector for a 1E-grade nuclear power station, which comprises a plug and a socket, wherein the plug comprises a plug shell, an insulator component, a jack component and a connecting nut; the invention has the advantages that: through first sealing washer, second sealing washer and heart yearn seal assembly, make the plug have the multiple seal, the waterproof performance of plug has been improved greatly, even can directly use in 100% humidity environment, or, fall into the aquatic carelessly and only need manually spin-dry and clean surface moisture can normally dock the use, because set up the third sealing washer between plug housing and the socket casing, sealing performance when can improve plug housing and socket casing butt joint greatly, effectively reduced the influence of humidity to the electric connector.
Description
Technical Field
The invention relates to a waterproof electric connector for a 1E-grade nuclear power station.
Background
The electric connector for the rod control position of the 1E-level rod of the third-generation nuclear power station is a product which can complete emergency reactor shutdown of a reactor, containment isolation, emergency reactor core cooling, residual heat removal of the reactor, heat removal of a reactor plant and prevention of radioactive substances from being discharged to the periphery, and mainly plays a role in signal connection of a detector and control of a driving mechanism.
The existing electric connector does not have the capacity of working for a long time in an irradiation environment, once the existing electric connector is subjected to excessive irradiation, the material becomes brittle, the mechanical property of the material is cracked, the overall performance of the electric connector is seriously affected, such as waterproof performance, boric acid flooding is carried out after a serious accident occurs in a nuclear power plant, the temperature can reach 200 ℃ under the working condition of the serious accident of the nuclear power plant, the irradiation dose is greatly increased, the safety accident of the nuclear power plant can be caused if the connector cannot meet the waterproof requirement under the working condition of the serious accident, and even nuclear leakage can be caused.
Disclosure of Invention
The invention aims to solve the problem that the existing electric connector cannot work for a long time and is waterproof under the conditions of continuous irradiation and high temperature, and provides a waterproof electric connector for a 1E-grade nuclear power station.
In order to solve the technical problems, the invention is realized by the following technical scheme: the utility model provides a waterproof electric connector for 1E level nuclear power station, includes plug and socket, the plug includes plug housing, insulator subassembly, jack subassembly and coupling nut, the jack subassembly sets up in the insulator subassembly, the insulator subassembly sets up in the plug housing, coupling nut rotates to be connected on the lateral wall of plug housing, the socket includes socket housing, glass insulator and contact pin, be equipped with first sealing washer between jack subassembly and the insulator subassembly, be equipped with the second sealing washer between insulator subassembly and the plug housing, be equipped with the third sealing washer between plug housing and the socket housing, be equipped with heart yearn seal assembly on the insulator subassembly, be equipped with between coupling nut and the plug housing and prevent that coupling nut reverses not hard up locking mechanism, through glass sintering integrated into one piece between socket housing, glass insulator and the contact pin.
Preferably, the insulator subassembly includes jack insulator and apron, just be equipped with connection structure between jack insulator and the apron, connection structure includes spliced pole and connecting hole, heart yearn seal assembly fixed connection is on the apron.
Preferably, the core wire sealing assembly comprises a pressing plate, a screw and a core wire sealing sleeve arranged on the pressing plate, a through hole is formed in the pressing plate, a nut or a threaded hole matched with the screw is formed in the cover plate, the screw penetrates through the through hole and then is fixedly connected in the nut or the threaded hole, and the core wire sealing sleeve is a phenyl silicone rubber sealing sleeve.
Preferably, the anti-loosening mechanism comprises a locking ring and a wave spring ring, the locking ring and the wave spring ring are arranged on the outer side wall of the plug shell, the wave spring ring is arranged between the locking ring and the plug shell, a meshing mechanism is arranged between the locking ring and the connecting nut, the meshing mechanism comprises first sawteeth and second sawteeth which are meshed with each other, the first sawteeth are integrally formed on the locking ring, and the second sawteeth are integrally formed on the connecting nut.
Preferably, the outer side wall of the plug housing is provided with a protruding nail for preventing the locking ring from moving backwards, the locking ring is provided with a fixing hook matched with the protruding nail, and when the locking ring is separated from the connecting nut, the locking ring is fixed on the plug housing through the matching of the fixing hook and the protruding nail.
Preferably, the outer side wall of the plug shell is provided with a step, the inner side wall of the locking ring is provided with a boss, one end of the wave spring ring abuts against the step, and the other end of the wave spring ring abuts against the boss.
Preferably, be equipped with the steel ball between coupling nut and the plug housing, be equipped with the annular of placing the steel ball on the outer circumference lateral wall of plug housing, be equipped with on coupling nut's the inside wall and place annular matched with fixed ring groove, coupling nut is last to be equipped with places the hole, and the steel ball is packed into through placing the hole and is placed between annular and the fixed ring groove, just place and be equipped with the pin on the hole.
Preferably, the connection nut is a T-shaped nut, an anti-slip groove is formed in the outer side wall of the connection nut, and T-shaped threads matched with the T-shaped nut are formed in the outer side wall of the socket shell.
Preferably, the plug further comprises a plug tail cover and a cable sealing sleeve, the plug tail cover is arranged on the plug shell, the cable sealing sleeve is arranged in the plug tail cover, a fastening nut connected with the plug tail cover is sleeved on the outer side wall of the cable sealing sleeve, a sealing pressing sleeve is arranged between the fastening nut and the cable sealing sleeve, an outer sleeve is arranged on the outer side wall of the fastening nut, and a fastener is arranged between the outer sleeve and the fastening nut.
Preferably, a first sealing gasket and a second sealing gasket are arranged in the socket shell, the first sealing gasket and the second sealing gasket are positioned at two ends of the glass insulator, the first sealing gasket and the second sealing gasket are phenyl silicone rubber sealing gaskets, and a flange is arranged on the outer side wall of the socket shell.
In conclusion, the invention has the advantages that: the first sealing ring is arranged between the jack component and the insulator component, the second sealing ring is arranged between the insulator component and the plug shell, and the core wire sealing component is arranged on the insulator component, so that the plug has multi-sealing, and the quality of the plug is greatly improvedThe waterproof performance of plug, even can directly use in 100% humidity environment, or, fall into the aquatic carelessly and only need the manual sealing performance that spin-dries and clean surface moisture can normally dock the use, because set up the third sealing washer between plug housing and the socket casing, sealing performance when can improve plug housing and socket casing butt joint greatly, effectively reduced the influence of humidity to electric connector, make whole electric connector satisfy uses under the boric acid flooding environment under the severe accident operating mode of nuclear power station, secondly, with the socket casing, through glass sintering integrated into one piece between glass insulator and the contact pin, the leakage rate that can make the socket when 1 atmospheric pressure can satisfy 1x10 -10 Pa.m 3 And/s, because the glass is an inorganic substance, has the characteristics of radiation resistance and 200 ℃ high temperature resistance, and is completely suitable for nuclear power environment, and finally, the anti-loosening mechanism is arranged between the connecting nut and the plug shell, so that the connecting nut can be prevented from being reversed and loosened, the problem of looseness can not occur even if the connecting nut is vibrated in use, the connection stability of the electric connector is ensured, the reliability of circuit connection is further ensured, the problems of thread looseness caused by impact and temperature change can be effectively prevented, and the screw thread looseness at 2-2000 Hz, the amplitude of 15mm and the acceleration of 1000m/s can be realized 2 And 1 mu s instantaneous interruption does not occur, so that the electric connector is ensured to be reliably connected under the conditions of vibration, impact, temperature change, liquid immersion and the like, and the connected electric connector can pass the heat and radiation exposure under the 6.4.2 conventional use conditions and the irradiation of 6.4.3 design basic events in IEEE383-2003 Standard for qualification of class 1E cables and electric plugs of nuclear power stations, and the low-temperature, high-temperature, temperature change, vibration, impact and water tests specified in GB/T8993.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural view of a waterproof electrical connector for a class 1E nuclear power station according to the present invention;
FIG. 2 is a schematic structural view of a plug housing according to the present invention;
FIG. 3 is an enlarged view of a portion I of FIG. 2;
FIG. 4 is a perspective view of the anti-loosening mechanism of the present invention;
FIG. 5 is a schematic structural view of the installation of the anti-loosening mechanism of the present invention;
fig. 6 is a schematic structural diagram of the socket housing according to the present invention.
Reference numerals:
1 plug, 10 plug shell, 101 convex nail, 102 steps, 11 insulator components, 111 jack insulator, 112 cover plate, 113 connecting column, 114 connecting hole, 12 jack components, 13 connecting nut, 131 placing hole, 132 pin, 133 antiskid groove, 14 plug tail cover, 15 cable sealing sleeve, 16 clamping nut, 17 sealing pressing sleeve, 18 outer sleeve, 19 fastener, 2 socket, 21 socket shell, 22 glass insulator, 23 pin, 24T type thread, 25 first sealing gasket, 26 second sealing gasket, 27 flange, 3 first sealing ring, 4 second sealing ring, 5 third sealing ring, 6 core wire sealing component, 61 pressing plate, 62 screw, 63 core wire sealing sleeve, 64 nut, 7 anti-loosening mechanism, 71, 72 wave-shaped spring ring, 73 first sawtooth, 74 second sawtooth, 75 fixing hook, 76 boss and 8 steel ball.
Detailed Description
As shown in fig. 1, 2, 3, 4, 5 and 6, a waterproof electrical connector for a 1E-class nuclear power plant comprises a plug 1 and a socket 2, wherein the plug 1 comprises a plug housing 10, an insulator assembly 11, a jack assembly 12 and a connecting nut 13, the jack assembly 12 is arranged in the insulator assembly 11, the insulator assembly 11 is arranged in the plug housing 10, the connecting nut 13 is rotatably connected to the outer side wall of the plug housing 10, the socket 2 comprises a socket housing 21, a glass insulator 22 and a contact pin 23, a first seal ring 3 is arranged between the jack assembly 12 and the insulator assembly 11, a second seal ring 4 is arranged between the insulator assembly 11 and the plug housing 10, and a third seal ring 5 is arranged between the plug housing 10 and the socket housing 21, in the embodiment, the first seal ring is arranged on the jack assembly, the second seal ring is arranged on the insulator assembly, the third seal ring is arranged on the plug housing, and the first seal ring 3, the second seal ring 4 and the third seal ring 5 are phenyl seal rings, and the insulation seal rings are all phenyl seal rings, and the plug housing 3, the second seal ring 4 and the third seal rings 5 can be used for preventing the plug housing 10 from loosening due to the mechanical sealing of the plug housing 11 and the plug housing 7 and the plug housing, and the plug housing 21.
Through setting up first sealing washer 3 between socket subassembly 12 and insulator subassembly 11, set up second sealing washer 4 between insulator subassembly 11 and plug casing 10, and set up heart yearn seal assembly 6 on the insulator subassembly 11, make the plug have the multiple seal, the waterproof performance of plug has greatly been improved, even can directly use in 100% humidity environment, or, only need manually spin-dry and clean surface moisture can normally dock the use carelessly falling into the aquatic, because set up third sealing washer 5 between plug casing 10 and socket casing 21, can improve the sealing performance when plug casing 10 and socket casing 21 dock greatly, effectively reduced the influence of humidity to the electric connector, make whole electric connector satisfy and use under the boric acid water flooding environment under the severe accident condition of nuclear power station, secondly, through glass sintering integrated into one piece between socket casing 21, glass insulator 22 and contact pin 23, can make the leakage rate of socket when 1 atmospheric pressure can satisfy 1x10 leakage rate -10 Pa.m 3 And/s, because the glass is an inorganic substance, has the characteristics of radiation resistance and 200 ℃ high temperature resistance, and is completely suitable for nuclear power environment, and finally, the anti-loosening mechanism 7 is arranged between the connecting nut 13 and the plug shell 10, so that the connecting nut 13 can be prevented from being reversed and loosened, the problem of looseness can not occur even if the connecting nut is vibrated in use, the connection stability of the electric connector is ensured, the reliability of circuit connection is further ensured, the problem of thread looseness caused by impact and temperature change can be effectively prevented, and the screw thread looseness at the conditions of 2-2000 Hz, the amplitude of 15mm and the acceleration of 1000m/s can be effectively prevented 2 The method has the advantages that 1 mu s instantaneous interruption does not occur, the reliable connection of the electric connector under the conditions of vibration, impact, temperature change, liquid immersion and the like is ensured, and the connected electric connector can pass through the 6.4.2 conventional use condition of heat and radiation exposure and the 6.4.3 designed basic event irradiation in IEEE383-2003 Standard for qualification of class 1E cables and electric plugs of nuclear power stations, and the low temperature, high temperature, temperature change, vibration and vibration specified in GB/T8993Dynamic, impact and water tests.
The insulator assembly 11 comprises a jack insulator 111 and a cover plate 112, a second seal ring is arranged on both the jack insulator 111 and the cover plate 112, a connecting structure is arranged between the jack insulator 111 and the cover plate 112, the connecting structure comprises a connecting column 113 and a connecting hole 114, and the core wire seal assembly 6 is fixedly connected to the cover plate 112. The core wire sealing component 6 comprises a pressing plate 61, a screw 62 and a core wire sealing sleeve 63 arranged on the pressing plate 61, wherein a through hole is arranged on the pressing plate 61, a nut 64 or a threaded hole matched with the screw 62 is arranged on the cover plate 112, the nut is preferably adopted in the embodiment, the screw 62 is fixedly connected in the nut 64 after penetrating through the through hole, the core wire sealing sleeve 63 is a phenyl silicone rubber sealing sleeve, the core wire sealing component 6 is arranged into the pressing plate 61, the screw 62 and the core wire sealing sleeve 63, during installation, a lead is connected with the jack component 12 after penetrating through the core wire sealing sleeve 63, during installation, the screw 62 is coated with thread rubber, and then the lead is screwed into the nut after penetrating through the through hole, so that the looseness of the screw 62 can be reduced, the fixing quality of the pressing plate 61 is improved, the nut or the threaded hole is arranged, the quick installation and fixation of the screw 62 can be realized, and the phenyl silicone rubber sealing sleeve can be used for a long time at 150 ℃ and a short time at 200 ℃, therefore, the core wire sealing sleeve 63 in the embodiment adopts the phenyl silicone rubber sealing sleeve, and the mechanical property of the insulation material can be irreversibly changed due to long-term excessive irradiation.
The anti-loose mechanism 7 includes a locking ring 71 and a wave spring ring 72, the locking ring 71 and the wave spring ring 72 are both disposed on the outer sidewall of the plug housing 10, the wave spring ring 72 is disposed between the locking ring 71 and the plug housing 10, an engagement mechanism is disposed between the locking ring 71 and the coupling nut 13, the anti-loose mechanism 7 is configured as the locking ring 71 and the wave spring ring 72, the coupling of the locking ring 71 and the coupling nut 13 is achieved by the engagement mechanism disposed between the locking ring 71 and the coupling nut 13, the inverse looseness of the coupling nut 13 is effectively prevented, and the locking ring 71 is always subjected to the elastic force of the wave spring ring 72, which can improve the engagement stability of the engagement mechanism, the engagement mechanism includes a first saw tooth 73 and a second saw tooth 74 that are engaged with each other, the first saw tooth 73 is integrally formed on the locking ring 71, the second saw tooth 74 is integrally formed on the coupling nut 13, the engagement mechanism is configured as the first saw tooth 73 and the second saw tooth 74 that are engaged with each other are integrally formed on the locking ring 71, which can improve the coupling strength between the first saw tooth 73 and the second saw tooth 74, which can also simplify the coupling process of the second saw tooth 74 and the coupling nut 13, which can improve the coupling quality of the coupling process, and the coupling process of the second saw tooth 73 and the coupling process of the coupling nut 13.
The male nail 101 for preventing the locking ring 71 from moving backwards is arranged on the outer side wall of the plug housing 10, so that the locking ring 71 can be prevented from moving backwards, and the engagement quality of the first sawteeth 73 and the second sawteeth 74 can be ensured, the male nail 101 in the present embodiment is fixedly connected to the outer side wall of the plug housing 10 by using a screw, the locking ring 71 is provided with fixing hooks 75 matched with the male nail 101, when the locking ring 71 is separated from the connection nut 13, the locking ring 71 is fixed on the plug housing 10 by the matching of the fixing hooks 75 and the male nail 101, when the electrical connector plug is mated with the electrical connector socket, the fixing hooks 75 on the locking ring 71 are pulled backwards to hook the male nail 101, so that the locking ring 71 is separated from the connection nut 13, after the electrical connector plug is plugged with the electrical connector socket, the connection nut 13 is connected together by rotating, after the connection is in place, the locking ring 71 is pulled backwards and simultaneously rotates, when the fixing hooks 75 are separated from the male nail 101, the locking ring 71 is automatically pushed forwards under the elastic force of the wave-shaped spring 72, so that the first sawteeth 73 are engaged with the second sawteeth 74, and the male nail 101 can not rotate clockwise, therefore, the locking ring 71 can not be engaged with the locking nut 13, and the locking ring 71 can not rotate clockwise, and the locking ring 13 can not be engaged, and the locking ring can not be engaged with the locking nut 13.
The outer side wall of the plug housing 10 is provided with a step 102, the inner side wall of the locking ring 71 is provided with a boss 76, one end of the wave spring ring 72 abuts against the step 102, the other end of the wave spring ring 72 abuts against the boss 76, the wave spring ring 72 can be installed and fixed, and the working stability of the wave spring ring 72 is guaranteed.
Be equipped with steel ball 8 between coupling nut 13 and the plug housing 10, be equipped with the placing ring groove of placing steel ball 8 on the outer circumferential side wall of plug housing 10, be equipped with on coupling nut 13's the inside wall and place ring groove matched with fixed ring groove, be equipped with on coupling nut 13 and place hole 131, steel ball 8 is packed into through placing hole 131 and is placed between ring groove and the fixed ring groove, just it is equipped with pin 132 on the hole 131 to place, can realize that the installation of steel ball 8 is fixed, it is equipped with pin 132 on the hole 131 to place, pin 132 can place hole 131 and play sealed function, pin 132 in this embodiment is fixed through the mode of laser welding, can effectually prevent that pin 132 from becoming flexible, and carry out mirror finish to the surface after the welding, can improve the aesthetic property of whole plug housing 10 greatly, and play the hidden effect of the installation technology of connector, guarantee that coupling nut 13 can reach the smooth and easy rotation effect of bearing level, steel ball 8 in this embodiment adopts 25, during specific installation, after fixed ring groove aligns with placing ring groove, place hole 131 in proper order to place 25 steel ball 8 between ring groove and the fixed ring groove, then, reach the smooth and connection technology of laser welding, the connection nut 13, the connection technology of laser welding connection of laser welding, the installation effect of laser welding.
Connecting nut 13 is T type nut, just be equipped with anti-skidding recess 133 on connecting nut 13's the lateral wall, be equipped with on socket shell 21's the lateral wall with T type nut matched with T type screw thread 24, T type nut and T type screw thread 24 can not only improve connecting nut 13 and socket shell 21's fixed quality, can prevent connecting nut 13's not hard up, can guarantee connecting nut 13 and socket shell 21's smooth and easy connection moreover, secondly, anti-skidding recess 133's setting can play the antiskid effect when the plug after the plug is connected and the socket is dialled conveniently.
The plug further comprises a plug tail cover 14 and cable gland 15, the plug tail cover 14 is arranged on the plug shell 10, the cable gland 15 is arranged in the plug tail cover 14, all finished cables can be sealed and clamped and fixed at tail attaching positions by replacing different cable gland 15, stress loosening of crimping positions of single conductors and jacks in the finished cables is avoided, an armor braid layer forms shielding treatment through buckling and pressing, a clamping nut 16 connected with the plug tail cover 14 is sleeved on the outer side wall of the cable gland 15, a sealing pressing sleeve 17 is arranged between the clamping nut 16 and the cable gland 15, an outer sleeve 18 is arranged on the outer side wall of the clamping nut 16, a fastener 19 is arranged between the outer sleeve 18 and the clamping nut 16, the fastener 19 in the embodiment is buckled and pressed on the clamping nut 16 through a hydraulic buckling tool, the cable and a connector have the purposes of tensile strength and drag prevention, finally the outer sleeve 18 is screwed into the clamping nut 16, and the outer sleeve 18 is riveted and fixed on the clamping nut 16, the attractiveness and the anti-dismantling performance of the whole plug are improved, and looseness of the outer sleeve 18 is also avoided.
The socket comprises a socket shell 21, a first sealing gasket 25 and a second sealing gasket 26 are arranged in the socket shell 21, the first sealing gasket 25 and the second sealing gasket 26 are both phenyl silicone rubber sealing gaskets, a flange 27 is arranged on the outer side wall of the socket shell 21, in order to enable the second sealing gasket 26 to bear sealing with large compression amount and avoid the situation that the sealing gaskets are irreversible and degenerate due to large compression amount, the second sealing gasket 26 in the embodiment adopts an anisotropic sealing gasket, the second sealing gasket 26 is arranged on one side butted with a plug shell 10, the sealing pressure when the plug and the socket are butted is larger than 1Mpa through the second sealing gasket 26, the first sealing gasket 25 is arranged to play a role in resisting moisture and increasing electrical performance, and the first sealing gasket 25 and the second sealing gasket 26 are both arranged into the phenyl silicone rubber sealing gaskets, so that the long-term use at 150 ℃ and the short-term use at 200 ℃ can be carried out in a continuous irradiation environment, the situation that the mechanical performance of an insulating material generates irreversible and the flange 27 is arranged due to accumulate excessive irradiation in a field for realizing stable connection of the whole electric connector.
The above description is only an embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the technical field of the present invention by those skilled in the art are covered by the present invention.
Claims (10)
1. The utility model provides a waterproof electric connector for 1E level nuclear power station, includes plug and socket, the plug includes plug housing, insulator subassembly, jack subassembly and coupling nut, the jack subassembly sets up in the insulator subassembly, the insulator subassembly sets up in the plug housing, coupling nut rotates to be connected on plug housing's lateral wall, the socket includes socket housing, glass insulator and contact pin, its characterized in that: be equipped with first sealing washer between jack subassembly and the insulator subassembly, be equipped with the second sealing washer between insulator subassembly and the plug casing, be equipped with the third sealing washer between plug casing and the socket casing, be equipped with heart yearn seal assembly on the insulator subassembly, be equipped with the locking mechanism that prevents coupling nut and reversing not hard up between coupling nut and the plug casing, through glass sintering integrated into one piece between socket casing, glass insulator and the contact pin.
2. The waterproof electrical connector for the class-1E nuclear power plant as recited in claim 1, wherein: the insulator subassembly includes jack insulator and apron, just be equipped with connection structure between jack insulator and the apron, connection structure includes spliced pole and connecting hole, heart yearn seal assembly fixed connection is on the apron.
3. The waterproof electrical connector for the class-1E nuclear power plant as recited in claim 2, wherein: the core wire sealing assembly comprises a pressing plate, a screw and a core wire sealing sleeve arranged on the pressing plate, a through hole is formed in the pressing plate, a nut or a threaded hole matched with the screw is formed in the cover plate, the screw penetrates through the through hole and then is fixedly connected in the nut or the threaded hole, and the core wire sealing sleeve is a phenyl silicone rubber sealing sleeve.
4. The waterproof electrical connector for the class-1E nuclear power station as recited in claim 1, wherein: the anti-loosening mechanism comprises a locking ring and a wave spring ring, the locking ring and the wave spring ring are arranged on the outer side wall of the plug shell, the wave spring ring is arranged between the locking ring and the plug shell, a meshing mechanism is arranged between the locking ring and the connecting nut, the meshing mechanism comprises first sawteeth and second sawteeth which are meshed with each other, the first sawteeth are integrally formed on the locking ring, and the second sawteeth are integrally formed on the connecting nut.
5. The waterproof electrical connector for the class-1E nuclear power station as recited in claim 4, wherein: the outer side wall of the plug shell is provided with a convex nail for preventing the locking ring from moving backwards, the locking ring is provided with a fixing hook matched with the convex nail, and when the locking ring is separated from the connecting nut, the locking ring is fixed on the plug shell through the matching of the fixing hook and the convex nail.
6. The waterproof electrical connector for the class-1E nuclear power station as recited in claim 4, wherein: the plug is characterized in that a step is arranged on the outer side wall of the plug shell, a boss is arranged on the inner side wall of the locking ring, one end of the wave spring ring abuts against the step, and the other end of the wave spring ring abuts against the boss.
7. The waterproof electrical connector for the class-1E nuclear power station as recited in claim 1, wherein: the improved plug is characterized in that steel balls are arranged between the connecting nut and the plug shell, an annular groove for placing the steel balls is formed in the outer circumferential side wall of the plug shell, a fixing annular groove matched with the annular groove is formed in the inner side wall of the connecting nut, a placing hole is formed in the connecting nut, the steel balls are placed between the annular groove and the fixing annular groove through the placing hole, and a pin is arranged on the placing hole.
8. The waterproof electrical connector for the class-1E nuclear power station as recited in claim 1, wherein: the socket is characterized in that the connecting nut is a T-shaped nut, an anti-skidding groove is formed in the outer side wall of the connecting nut, and T-shaped threads matched with the T-shaped nut are formed in the outer side wall of the socket shell.
9. The waterproof electrical connector for the class-1E nuclear power plant as recited in claim 1, wherein: the plug further comprises a plug tail cover and a cable sealing sleeve, the plug tail cover is arranged on the plug shell, the cable sealing sleeve is arranged in the plug tail cover, a fastening nut connected with the plug tail cover is sleeved on the outer side wall of the cable sealing sleeve, a sealing pressing sleeve is arranged between the fastening nut and the cable sealing sleeve, an outer sleeve is arranged on the outer side wall of the fastening nut, and a fastener is arranged between the outer sleeve and the fastening nut.
10. The waterproof electrical connector for the class-1E nuclear power plant as recited in claim 1, wherein: the socket shell is internally provided with a first sealing gasket and a second sealing gasket, the first sealing gasket and the second sealing gasket are positioned at two ends of the glass insulator, the first sealing gasket and the second sealing gasket are both phenyl silicone rubber sealing gaskets, and a flange is arranged on the outer side wall of the socket shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211405680.6A CN115764405A (en) | 2022-11-10 | 2022-11-10 | Waterproof electric connector for 1E-grade nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211405680.6A CN115764405A (en) | 2022-11-10 | 2022-11-10 | Waterproof electric connector for 1E-grade nuclear power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115764405A true CN115764405A (en) | 2023-03-07 |
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ID=85369040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211405680.6A Pending CN115764405A (en) | 2022-11-10 | 2022-11-10 | Waterproof electric connector for 1E-grade nuclear power station |
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| Country | Link |
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| CN (1) | CN115764405A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118380827A (en) * | 2024-06-24 | 2024-07-23 | 福建福清核电有限公司 | Through-wall sealing electric connector |
-
2022
- 2022-11-10 CN CN202211405680.6A patent/CN115764405A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118380827A (en) * | 2024-06-24 | 2024-07-23 | 福建福清核电有限公司 | Through-wall sealing electric connector |
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