CN213751997U - Cable assembly of reactor core detector assembly - Google Patents
Cable assembly of reactor core detector assembly Download PDFInfo
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- CN213751997U CN213751997U CN202022790225.5U CN202022790225U CN213751997U CN 213751997 U CN213751997 U CN 213751997U CN 202022790225 U CN202022790225 U CN 202022790225U CN 213751997 U CN213751997 U CN 213751997U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model discloses a cable assembly of a reactor core detector assembly, which comprises two plug connectors arranged at two ends and a metal sleeve connected between the plug connectors, wherein the metal sleeve comprises a metal hose, and each end of the metal hose is connected with the plug connector of the corresponding end through a metal connecting piece; the metal connecting piece comprises a connecting pipe and a pipe joint; at cable assembly's arbitrary one end, the one end and the plug connector welded connection of takeover, the one end and the metal collapsible tube welded connection of coupling, the other end of takeover and the other end threaded connection of coupling still are provided with between the two and are used for realizing the sealed sealing member of both fitting surfaces between the takeover and the coupling, still are provided with between the two and are used for realizing the locking piece that both cooperation relations maintain between the takeover and the coupling. The cable assembly of the reactor core detector assembly is convenient to realize waterproof and moistureproof performance, long-term structural stability and good assembling performance, and is convenient to regularly maintain.
Description
Technical Field
The utility model relates to a nuclear reactor core electrical connection assembly technical field especially relates to a reactor core detector subassembly cable subassembly.
Background
The cable assembly of the reactor core detector assembly is suitable for self-powered neutron detector assemblies and reactor core water level detector assemblies. The device is particularly used for SPND sensors and thermocouple sensors at the connector end of a neutron detector assembly, temperature compensation platinum resistance signal transmission of the thermocouple sensors, measurement signal transmission of the connector end of a water level detector assembly and the like.
The cable assembly ensures that the detector assembly can be used for continuously and stably electrically connecting and transmitting the SPND measuring signal, the temperature sensor signal, the water level measuring signal and the like when the reactor normally runs and stably and continuously outputting the temperature sensor signal and the water level measuring signal under the accident condition, and is an electrical connection assembly component for providing the SPND output current signal of the reactor core under the normal running condition, the thermocouple temperature signal of the reactor core and the water level signal under the normal and accident conditions for the main control room.
The reactor core detector assembly cable assembly is a cable assembly which is reliably connected between a detector assembly connector and a reactor top connecting plate, and between the reactor top connecting plate and an electrical penetration assembly, and is an electrical connecting assembly for transmitting signals of a neutron detector sensor, a thermocouple temperature sensor and a cold end compensation platinum resistance sensor in the detector assembly and water level signals.
A plurality of sensors are typically included in the probe assembly. The detector assembly connector is generally a multi-core socket, and the sensor signals are connected and transmitted to the main control room through a matched plug and a corresponding signal cable assembly.
The detector assembly electrical assembly meets the service life under normal working conditions according to the use requirements of the third-generation nuclear power station, meets the normal electrical characteristics under the atmosphere dew point temperature curve in the containment after a serious accident, and provides stable and reliable sensor measurement signals for the master control room.
Under the technical requirement, a cable assembly for the detector assembly, which meets the interface requirement, electrical characteristics and service life of the detector assembly and is easy to install, maintain and overhaul, needs to be designed.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned needs that provide design a section accords with detector subassembly interface requirement, electrical characteristic, life, the easy technical problem of cable subassembly for detector subassembly of installation, maintenance and overhaul, the utility model provides a reactor core detector subassembly cable subassembly. The cable assembly of the reactor core detector assembly is convenient to realize waterproof and moistureproof performance, long-term structural stability and good assembling performance, and is convenient to regularly maintain.
To the above problem, the utility model provides a pair of reactor core detector subassembly cable subassembly solves the problem through following technical essential: a cable assembly of a reactor core detector assembly comprises two plug connectors arranged at two ends and a metal sleeve connected between the plug connectors, wherein the metal sleeve comprises a metal hose, and each end of the metal hose is connected with the plug connector at the corresponding end through a metal connecting piece;
the metal connecting piece comprises a connecting pipe and a pipe joint;
at cable assembly's arbitrary one end, the one end and the plug connector welded connection of takeover, the one end and the metal collapsible tube welded connection of coupling, the other end of takeover and the other end threaded connection of coupling still are provided with between the two and are used for realizing the sealed sealing member of both fitting surfaces between the takeover and the coupling, still are provided with between the two and are used for realizing the locking piece that both cooperation relations maintain between the takeover and the coupling.
In this scheme, the connector clip is used for the connecting piece that links to each other with supporting plug on as the cable subassembly, metal sleeve is used for wearing to establish flexible cable, as the metal protection piece in the flexible cable outside. When the cable assembly is specifically used, the base materials of all components of the cable assembly are made of materials meeting the service life of a nuclear power station, so that the requirements of pressure resistance, isolation, corrosion resistance and the like under normal working conditions are met, and the working requirement of an atmosphere dew point temperature curve in a containment under severe accident working conditions is met.
In the concrete structural design, to the connection of each end plug connector of metal sleeve, provide one kind and set up metal connecting piece between metal sleeve and plug connector, and metal connecting piece is including taking over and coupling, coupling and takeover respectively with metal collapsible tube, plug connector welded connection, threaded connection's between coupling and the takeover technical scheme, in order to realize: through welding connection, the formed welding seam is utilized to ensure that the corresponding matching position has stable sealing performance, leakage risk points or sealing failure risk points on the cable assembly are reduced, the anti-loosening piece is matched to ensure the structural stability under the vibration working condition, and the long-term waterproof and moistureproof performance of the cable assembly is realized; the threaded connection is utilized, so that the flexible cable can be connected between the plug connectors after welding, and then the cable assembly is integrally packaged by threaded connection, so that the adverse effect of welding heat on the flexible cable is avoided; by means of the threaded connection, the cable assembly is integrally detachable, and regular maintenance on the cable assembly is facilitated. The use of the above connecting pipe and pipe joint aims at matching the sealing butt joint relation between the metal hose and the plug connector: the metal hose and the plug connector are common or standard parts obtained by purchasing can be used as the connecting pipe and the pipe joint, the type selection or the processing of the connecting pipe and the pipe joint are convenient, and indirect threaded connection relation can be obtained between the plug connector and the metal hose under the condition that the plug connector and the metal hose are not processed or specially selected.
The further technical scheme is as follows:
as a technical scheme for obtaining sealing specific pressure by direct extrusion to realize the sealing of a matching surface, the device is provided with: the sealing element is a sealing ring which is pressed on the matching surface. As a person skilled in the art, the crimping is achieved by producing a compression between the nipple and the socket along the respective axes. The sealing ring can adopt an O-shaped ring.
As a corresponding thread machining of being convenient for, when accomplishing threaded connection simultaneously to need not produce relative rotation between plug connector and the metal collapsible tube, in order to reach the assembly of being convenient for, be convenient for guarantee assembly precision, convenient operation's technical scheme, set up to: the threaded connection is realized through a compression nut arranged between the connecting pipe and the pipe joint. This scheme can set up the boss when concrete application on taking over and coupling arbitrary one, sets up the external screw thread on another, through setting up gland nut to the hole be the step hole, just the reducing section in step hole with the boss crimping, the internal thread on the main aspects in step hole with external screw thread threaded connection, can be convenient reach the corresponding connection purpose.
As an easy-to-operate, specific anti-loosening member implementation form matching with the above compression nut is set as follows: the anti-loosening piece is any one or more of an anti-loosening gasket, an anti-loosening bolt and a spring pad.
As a more complete technical scheme of the cable assembly, the cable assembly is provided with the following components: the flexible cable is connected with the plug connectors at two ends and is arranged in the metal sleeve in a penetrating mode.
For the atress of this cable subassembly in tearing open, adorning, the use, set up to: the length of the flexible cable between the two plug connectors is larger than that of the metal sleeve.
As the basis that the flexible cable and the plug connector can be detachably connected so as to complete the assembly and maintenance of the cable assembly, the flexible cable assembly is set as follows: the plug connector comprises a cable contact element for realizing plug connector wiring, and the cable contact element is a compression joint type contact element or a welding type contact element. As a person skilled in the art, the crimp contact is a crimp member for implementing a crimp of a flexible cable, and the welding contact is a welding surface for implementing a welding of the flexible cable.
For realizing the path transfer, the method is set as follows: the plug connector is a multi-core electrical plug connector.
As a simple structure, long service life's metal collapsible tube concrete implementation mode, set up to: the metal hose comprises a metal corrugated pipe as an inner layer and a metal net sleeve as an outer layer.
For promoting the joint strength of welded connection position, set up to: the welding connection is socket type welding connection.
The utility model discloses following beneficial effect has:
to the connection of each end plug connector of metal sleeve, provide one kind and set up metal connecting piece between metal sleeve and plug connector, and metal connecting piece is including taking over and coupling, coupling and takeover respectively with metal collapsible tube, plug connector welded connection, threaded connection's between coupling and the takeover technical scheme, in order to realize: through welding connection, the formed welding seam is utilized to ensure that the corresponding matching position has stable sealing performance, leakage risk points or sealing failure risk points on the cable assembly are reduced, the anti-loosening piece is matched to ensure the structural stability under the vibration working condition, and the long-term waterproof and moistureproof performance of the cable assembly is realized; the threaded connection is utilized, so that the flexible cable can be connected between the plug connectors after welding, and then the cable assembly is integrally packaged by threaded connection, so that the adverse effect of welding heat on the flexible cable is avoided; by means of the threaded connection, the cable assembly is integrally detachable, and regular maintenance on the cable assembly is facilitated. The use of the above connecting pipe and pipe joint aims at matching the sealing butt joint relation between the metal hose and the plug connector: the metal hose and the plug connector are common or standard parts obtained by purchasing can be used as the connecting pipe and the pipe joint, the type selection or the processing of the connecting pipe and the pipe joint are convenient, and indirect threaded connection relation can be obtained between the plug connector and the metal hose under the condition that the plug connector and the metal hose are not processed or specially selected.
Drawings
Fig. 1 is a schematic structural diagram of a specific embodiment of the cable assembly of the core detector assembly according to the present invention.
The labels in the figure are respectively: plug connector, 2, takeover, 3, gland nut, 4, locking piece, 5, coupling, 6, metal collapsible tube.
Detailed Description
The present invention will be described in further detail with reference to the following examples, but the present invention is not limited to the following examples:
example 1:
as shown in fig. 1, a cable assembly for a core detector assembly comprises two plug connectors 1 arranged at two ends and a metal sleeve connected between the plug connectors 1, wherein the metal sleeve comprises a metal hose 6, and each end of the metal hose 6 is connected with the plug connector 1 at the corresponding end through a metal connecting piece;
the metal connecting piece comprises a connecting pipe 2 and a pipe joint 5;
at cable assembly's arbitrary one end, the one end and the plug connector 1 welded connection of takeover 2, the one end and the metal collapsible tube 6 welded connection of coupling 5, the other end of takeover 2 and the other end threaded connection of coupling 5 still are provided with between 2 and the coupling 5 and are used for realizing the sealed sealing member of both fitting surfaces, still are provided with between 2 and the coupling 5 of takeover and are used for realizing the locking piece 4 that both cooperation relations maintain.
In this scheme, plug connector 1 is used for the connecting piece that links to each other with supporting plug on as the cable subassembly, metal sleeve is used for wearing to establish flexible cable, as the metal protection piece in the flexible cable outside. When the cable assembly is specifically used, the base materials of all components of the cable assembly are made of materials meeting the service life of a nuclear power station, so that the requirements of pressure resistance, isolation, corrosion resistance and the like under normal working conditions are met, and the working requirement of an atmosphere dew point temperature curve in a containment under severe accident working conditions is met.
In the concrete structural design, to the connection of each end plug connector 1 of metal sleeve, provide one kind and set up metal connecting piece between metal sleeve and plug connector 1, and metal connecting piece is including taking over 2 and coupling 5, coupling 5 with take over 2 respectively with metal collapsible tube 6, plug connector 1 welded connection, coupling 5 and take over 2 between threaded connection's technical scheme, in order to realize: through welding connection, the formed welding seam is utilized to ensure that the corresponding matching position has stable sealing performance, leakage risk points or sealing failure risk points on the cable assembly are reduced, and the anti-loosening piece 4 is matched to ensure the structural stability under the vibration working condition, so that the long-term waterproof and moistureproof performance of the cable assembly is realized; by utilizing the threaded connection, the flexible cable can be conveniently connected between the plug connectors 1 after welding, and then the cable assembly is integrally packaged by threaded connection, so that the adverse effect of welding heat on the flexible cable is avoided; by means of the threaded connection, the cable assembly is integrally detachable, and regular maintenance on the cable assembly is facilitated. The use of the above adapter tube 2 and the pipe joint 5 aims to match the sealing butt-joint relation of the metal hose 6 and the plug connector 1: the metal hose 6 and the plug connector 1 are common or standard parts which can be obtained through purchase, the use of the connecting pipe 2 and the pipe joint 5 is convenient for the model selection or the processing through the connecting pipe 2 and the pipe joint 5, and under the condition that the plug connector 1 and the metal hose 6 are not processed at any time or are specially selected, the indirect threaded connection relation between the plug connector 1 and the metal hose 6 can be obtained.
Example 2:
as shown in fig. 1, the present embodiment is further described on the basis of embodiment 1: as a technical scheme for obtaining sealing specific pressure by direct extrusion to realize the sealing of a matching surface, the device is provided with: the sealing element is a sealing ring which is pressed on the matching surface. As a person skilled in the art, said crimping is achieved by producing a compression between the nipple 2 and the socket 5 along the respective axis. The sealing ring can adopt an O-shaped ring.
Example 3:
as shown in fig. 1, the present embodiment is further described on the basis of embodiment 1: as a corresponding thread machining of being convenient for, when accomplishing threaded connection simultaneously, need not produce relative rotation between plug connector 1 and the metal collapsible tube 6 to reach the assembly of being convenient for, be convenient for guarantee assembly precision, convenient operation's technical scheme, set up to: the screw connection is realized by a compression nut 3 arranged between the adapter tube 2 and the tube connection 5. This scheme can set up the boss when concrete application on taking over 2 and coupling 5 arbitrary one, sets up the external screw thread on another, through setting up gland nut 3 to the hole for the step hole, just the reducing section in step hole with the boss crimping, the internal thread on the main aspects in step hole with external screw thread threaded connection, can be convenient reach corresponding connection purpose.
As a convenient operation, the realization form of the specific anti-loosening element 4 matching the above compression nut 3 is set as: the anti-loosening piece 4 is any one or more of an anti-loosening gasket, an anti-loosening bolt and a spring pad.
Example 4:
this example is further described on the basis of example 1: as a more complete technical scheme of the cable assembly, the cable assembly is provided with the following components: and the flexible cable is connected with the plug connector 1 at two ends and is arranged in the metal sleeve in a penetrating way.
For the atress of this cable subassembly in tearing open, adorning, the use, set up to: the length of the flexible cable between the two plug connectors 1 is larger than that of the metal sleeve.
Example 5:
this example is further described on the basis of example 1: as the basis that flexible cable and plug connector 1 can dismantle the connection to in the completion of this cable subassembly's assembly and maintenance, set up to: the plug connector 1 comprises a cable contact element for realizing the wiring of the plug connector 1, and the cable contact element is a compression joint type contact element or a welding type contact element. As a person skilled in the art, the crimp contact is a crimp member for implementing a crimp of a flexible cable, and the welding contact is a welding surface for implementing a welding of the flexible cable.
For realizing the path transfer, the method is set as follows: the plug connector 1 is a multi-core electrical plug connector.
As a simple structure, long service life's metal collapsible tube 6 concrete implementation mode, set up to: the metal hose 6 comprises a metal corrugated pipe as an inner layer and a metal net sleeve as an outer layer.
For promoting the joint strength of welded connection position, set up to: the welding connection is socket type welding connection.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments thereof. To the utility model belongs to the technical field of the ordinary skilled person say, do not deviate from the utility model discloses a other embodiments that reach under the technical scheme all should be contained the utility model discloses a within the scope of protection.
Claims (10)
1. A cable assembly of a reactor core detector assembly comprises two plug connectors (1) arranged at two ends and a metal sleeve connected between the plug connectors (1), wherein the metal sleeve comprises a metal hose (6), and is characterized in that each end of the metal hose (6) is connected with the plug connector (1) at the corresponding end through a metal connecting piece;
the metal connecting piece comprises a connecting pipe (2) and a pipe joint (5);
at cable assembly's arbitrary one end, the one end and the plug connector (1) welded connection of takeover (2), the one end and the metal collapsible tube (6) welded connection of coupling (5), the other end and the other end threaded connection of coupling (5) of takeover (2), still be provided with between takeover (2) and coupling (5) and be used for realizing the sealed sealing member of both fitting surfaces, still be provided with between takeover (2) and coupling (5) and be used for realizing anti-loosening (4) that both cooperation relations maintain.
2. The core detector assembly cable assembly of claim 1, wherein the seal is a sealing ring crimped onto the mating surface.
3. The core detector assembly cable assembly as claimed in claim 1, wherein the threaded connection is achieved by a gland nut (3) disposed between the nozzle (2) and the pipe joint (5).
4. The core detector assembly cable assembly as claimed in claim 3, wherein the anti-loose piece (4) is any one or more of an anti-loose gasket, an anti-loose bolt and a spring pad.
5. The core detector assembly cable assembly as claimed in claim 1, further comprising a flexible cable having two ends respectively connected with the plug connectors (1) and passing through the metal sleeve.
6. The core detector assembly cable assembly of claim 5, wherein the length of the flexible cable between the two connectors (1) is greater than the length of the metal sleeve.
7. The core detector assembly cable assembly according to claim 1, characterized in that the plug (1) comprises a cable contact for wiring the plug (1), the cable contact being a crimp-type contact or a solder-type contact.
8. The core detector assembly cable assembly of claim 1, wherein the connector (1) is a multicore electrical connector.
9. The core probe assembly cable assembly according to claim 1, wherein the metal hose (6) comprises a metal corrugated tube as an inner layer and a metal mesh as an outer layer.
10. The core probe assembly cable assembly of any one of claims 1 to 9, wherein the welded connections are socket welded connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022790225.5U CN213751997U (en) | 2020-11-27 | 2020-11-27 | Cable assembly of reactor core detector assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022790225.5U CN213751997U (en) | 2020-11-27 | 2020-11-27 | Cable assembly of reactor core detector assembly |
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| Publication Number | Publication Date |
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| CN213751997U true CN213751997U (en) | 2021-07-20 |
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| CN202022790225.5U Active CN213751997U (en) | 2020-11-27 | 2020-11-27 | Cable assembly of reactor core detector assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115431211A (en) * | 2022-09-13 | 2022-12-06 | 成都信息工程大学 | Reactor core detector installation device and method |
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2020
- 2020-11-27 CN CN202022790225.5U patent/CN213751997U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115431211A (en) * | 2022-09-13 | 2022-12-06 | 成都信息工程大学 | Reactor core detector installation device and method |
| CN115431211B (en) * | 2022-09-13 | 2023-06-20 | 成都信息工程大学 | Reactor core detector mounting device and method |
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