CN214748327U - Checking and calibrating device for nuclear power station reactor core liquid level monitoring system - Google Patents

Checking and calibrating device for nuclear power station reactor core liquid level monitoring system Download PDF

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Publication number
CN214748327U
CN214748327U CN202120711381.XU CN202120711381U CN214748327U CN 214748327 U CN214748327 U CN 214748327U CN 202120711381 U CN202120711381 U CN 202120711381U CN 214748327 U CN214748327 U CN 214748327U
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liquid level
reactor core
core liquid
level monitoring
wall surfaces
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孙勇
李伟
陶明驹
徐东
刘哲
沈鼎
马孝龙
李袁鹏
尹江辉
冷凌锋
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Jiangsu Nuclear Power Corp
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Jiangsu Nuclear Power Corp
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

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Abstract

The utility model belongs to the technical field of nuclear power station reactor core liquid level monitoring, concretely relates to an inspection and calibration device for nuclear power station reactor core liquid level monitoring system, include: the calibration simulator is connected with the reactor core liquid level monitoring device through a group of wires, the reactor core liquid level monitoring device is clamped in the connecting mechanism, a power supply is further arranged in the connecting mechanism, and the power supply is located above the reactor core liquid level monitoring device; and a reactor core liquid level monitoring system is arranged in the reactor core liquid level monitoring equipment. The utility model provides a reactor core liquid level monitoring system rack side do not have the problem of fixed module power supply switch, the risk of electrocuting when having reduced the operation, avoid frequent plug operation to cause the module to damage and wholly scrap, and realize through the automatic timing of timer nuclear power station reactor core liquid level monitoring and open and stop, the practicality is stronger.

Description

Checking and calibrating device for nuclear power station reactor core liquid level monitoring system
Technical Field
The utility model belongs to the technical field of nuclear power station reactor core liquid level monitoring, concretely relates to an inspection and calibration device for nuclear power station reactor core liquid level monitoring system.
Background
The core liquid level monitoring system checking and calibrating device is mainly used for solving the problems of quick checking of fault modules in a daily core liquid level monitoring system cabinet and calibrating and adjusting working parameters of the modules during overhaul, can quickly and visually judge fault points of cabinet operation modules in field application, can quickly carry out calibration work of the modules during overhaul, meets the requirements of field maintenance work, can improve the reliability of safe operation of the core liquid level monitoring system of a nuclear power station, reduces the exit operation time of the core liquid level monitoring system of the nuclear power station, and has remarkable economic and social benefits.
The inspection and calibration device of the existing reactor core liquid level monitoring system is installed in a cabinet of the reactor core liquid level monitoring system, because no fixed module power supply switch exists in the cabinet of the reactor core liquid level monitoring system, when the inspection is performed, power supply needs to be implemented by performing plug operation on a fixed plug, power-off operation is performed, electric shock risks exist during operation, and meanwhile, the cabinet side supplies power, the power-off operation easily causes damage to modules, even the whole scrapping practicability is poor, and the inspection and calibration device of the existing reactor core liquid level monitoring system completely passes through manual operation when the inspection and calibration device of the existing reactor core liquid level monitoring system are started and stopped, and the practicability is poor.
Therefore, it is necessary to design an improved checking and calibrating device for a nuclear power plant core liquid level monitoring system, which is used to solve the above-mentioned existing problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's not enough, a inspection and calibration device for nuclear power station reactor core liquid level monitoring system is provided, need install in reactor core liquid level monitoring system rack with solving current reactor core liquid level monitoring system inspection and calibration device, and do not have fixed mould spare power supply switch, when the inspection, need implement power supply outage operation through carrying out the plug operation to the fixed plug, there is the risk of electrocution during the operation, and simultaneously, the rack side supplies, outage operation easily leads to the module to damage, whole scrapping practicality is poor even, and current reactor core liquid level monitoring system inspection and calibration device are opening when opening and stopping completely through manual operation, can't realize reactor core liquid level monitoring system inspection and calibration device's automatic stop, the not good problem of practicality.
The technical scheme of the utility model:
a nuclear power station reactor core liquid level monitoring system inspection and calibration device includes: the calibration simulator is connected with the reactor core liquid level monitoring device through a group of wires, the reactor core liquid level monitoring device is clamped in the connecting mechanism, a power supply is further arranged in the connecting mechanism, and the power supply is located above the reactor core liquid level monitoring device; and a reactor core liquid level monitoring system is arranged in the reactor core liquid level monitoring equipment.
The whole cavity cuboid structure that is of coupling mechanism, coupling mechanism still includes: the device comprises an outer cover shell, a chassis, pull rings, a plurality of groups of clamping grooves, a timer, a lower limiting assembly, an upper limiting assembly and a back plate assembly;
an upper group of clamping grooves and a lower group of clamping grooves are symmetrically machined on two symmetrical inner wall surfaces of the outer cover shell, which are perpendicular to the ground, the lower group of clamping grooves are clamped with the reactor core liquid level monitoring equipment, the lower group of clamping grooves limit the vertical position of the reactor core liquid level monitoring equipment, the upper group of clamping grooves are clamped with the power supply, the power supply is arranged in the outer cover shell through the upper group of clamping grooves, and the upper group of clamping grooves limit the vertical position of the power supply;
the bottom of the outer cover shell is fixedly provided with a bottom frame which is fixedly connected with the pull ring, the outer wall surface of one side of two symmetrical wall surfaces of the outer cover shell, which are vertical to the ground, is fixedly provided with a timer, and the timer is respectively connected with the lower limit component and the upper limit component through two groups of wires;
the lower limiting assembly and the upper limiting assembly are both arranged on the side wall surfaces of two symmetrical wall surfaces of the outer cover shell, which are vertical to the ground, and the lower limiting assembly is positioned below the upper limiting assembly;
and a backboard component is fixedly arranged on the inner wall of one side surface of the outer cover shell provided with the timer.
The lower limiting assemblies are symmetrically arranged at the lower ends of the side wall surfaces of two symmetrical wall surfaces of the outer cover shell, which are vertical to the ground; each group of lower limiting assemblies further comprises: the rocking piece, the sensor, the connecting shaft and the motor; one end of the swinging piece is connected with the motor through a connecting shaft; a sensor is arranged in the connecting shaft.
The motor is arranged inside the side wall surfaces of the two symmetrical wall surfaces of the outer cover shell vertical to the ground, the output end of the motor is arranged outside the side wall surfaces of the two symmetrical wall surfaces of the outer cover shell vertical to the ground and is fixedly connected with the connecting shaft, and the connecting shaft is welded at the end part of the swinging piece.
The upper limit components are arranged in two groups, two groups of upper limit components are symmetrically arranged at the upper ends of the side wall surfaces of two symmetrical wall surfaces of the outer cover shell perpendicular to the ground, and each group of upper limit components comprises: the output end of the cylinder is fixedly connected with one end of the cylinder rod and is arranged inside the side wall surfaces of the two symmetrical wall surfaces of the outer cover shell, which are perpendicular to the ground, and the other end of the cylinder rod is arranged outside the side wall surfaces of the two symmetrical wall surfaces of the outer cover shell, which are perpendicular to the ground, and is fixedly connected with the shifting piece.
The back plate assembly includes: the device comprises a backboard body, a butt joint groove, a monitoring equipment clamping interface, a monitoring equipment switch, a plurality of elastic push plates, a power interface, a power switch and a plurality of groups of wires;
the upper part of the surface of the back plate body is provided with a butt joint groove, and the power switch, the power interface and the two elastic push plates are respectively arranged on the surface of the butt joint groove;
the lower part of the surface of the back plate body is provided with a monitoring equipment clamping interface, a monitoring equipment switch and two elastic push plates; the monitoring equipment clamping interface is connected with the reactor core liquid level monitoring equipment, the monitoring equipment clamping interface is electrically connected with the monitoring equipment switch through a lead, and the lower part of the surface and the elastic push plates on the butt joint grooves are symmetrically arranged.
The power interface is electrically connected with the monitoring equipment clamping interface and is also connected with a power supply; the power switch is electrically connected with the power interface through a lead.
The utility model has the advantages that:
the utility model discloses a nuclear power station reactor core liquid level monitoring system inspection and calibration device, it is spacing to reactor core liquid level monitoring equipment from the left and right sides through two sets of pieces of shaking, guarantee the positional stability of reactor core liquid level monitoring equipment among the monitoring process, guarantee that the socket of reactor core liquid level monitoring equipment clamps interface connection stability with monitoring equipment, avoid taking off because of the interface pine that the device moved and lead to.
Through controlling two sets of plectrums to power supply spacing, guarantee power supply's positional stability, also guarantee power supply and power source's connection stability, avoid taking off because of the power source that the device moved and lead to pine, improve the stability of power supply in the monitoring process, avoid because of the monitoring process unstability that the power supply interruption leads to.
The utility model provides a nuclear power station reactor core liquid level monitoring system inspection and calibration device, for switch of power supply configuration alone, the problem of reactor core liquid level monitoring system rack side no fixed module power supply switch has been solved, the staff need not to pull out the confession that the operation realized the power through pulling out fixed plug, the outage operation, the risk of electric shock when reducing the operation, the module damage and whole scrapping of avoiding frequent plug operation to cause, and the regularly opening through timer realization nuclear power station reactor core liquid level monitoring stops, need not manual operation, the practicality is stronger.
Drawings
FIG. 1 is a schematic structural view of a nuclear power plant reactor core liquid level monitoring system inspection and calibration device designed by the present invention;
FIG. 2 is a schematic view of a connecting mechanism in the inspection and calibration device of the nuclear power plant reactor core liquid level monitoring system designed by the utility model;
FIG. 3 is a schematic structural view of a lower limit component in the checking and calibrating device of the nuclear power plant reactor core liquid level monitoring system designed by the utility model;
FIG. 4 is a schematic structural view of an upper limit component in the checking and calibrating device of the nuclear power plant reactor core liquid level monitoring system designed by the utility model;
FIG. 5 is a schematic structural view of a back plate assembly in the inspection and calibration device of the nuclear power plant reactor core liquid level monitoring system designed by the present invention;
fig. 6 is the utility model relates to a nuclear power station reactor core liquid level monitoring system inspection and calibration device's reactor core liquid level monitoring equipment pops out the schematic structure under the state.
In the figure: 1-calibration simulator, 2-reactor core liquid level monitoring equipment, 3-power supply, 4-connecting mechanism, 41-outer cover shell, 42-underframe, 43-pull ring, 44-clamping groove, 45-timer, 46-lower limit component, 461-rocker, 462-sensor, 463-connecting shaft, 464-motor, 47-upper limit component, 471-cylinder rod, 472-plectrum, 473-cylinder, 48-backboard component, 481-backboard body, 482-butt joint groove, 483-monitoring equipment clamping interface, 484-monitoring equipment switch, 485-elastic push plate, 486-power supply interface and 487-power supply switch.
Detailed Description
The following description will be made in detail with reference to the accompanying drawings and examples, wherein the inspection and calibration device of the nuclear power station reactor core liquid level monitoring system of the present invention is described in detail.
As shown in fig. 1, an inspection and calibration device for a nuclear power plant reactor core liquid level monitoring system includes: the calibration simulator 1 is connected with the reactor core liquid level monitoring device 2 through a group of leads, the reactor core liquid level monitoring device 2 is clamped in the connecting mechanism 4, the power supply 3 is arranged in the connecting mechanism 4, and the power supply 3 is positioned above the reactor core liquid level monitoring device 2; the reactor core liquid level monitoring system is arranged in the reactor core liquid level monitoring device 2, monitors the liquid level of the reactor core and sends monitoring data to the calibration simulator 1 through a data transmission line for calibration.
As shown in fig. 2, the whole connecting mechanism 4 is a hollow rectangular parallelepiped structure, and the connecting mechanism 4 further includes: a housing case 41, a chassis 42, a tab 43, a plurality of sets of card slots 44, a timer 45, a lower limit assembly 46, an upper limit assembly 47, and a back plate assembly 48;
an upper group of clamping grooves 44 and a lower group of clamping grooves 44 are symmetrically machined on two symmetrical inner wall surfaces of the outer cover shell 41, which are perpendicular to the ground, the lower group of clamping grooves 44 are clamped with the reactor core liquid level monitoring device 2, the lower group of clamping grooves 44 limit the vertical position of the reactor core liquid level monitoring device 2 of the reactor core liquid level monitoring device, the upper group of clamping grooves 44 are clamped with the power supply 3, the power supply 3 is installed inside the outer cover shell 41 through the upper group of clamping grooves 44, and the upper group of clamping grooves 44 limit the vertical position of the power supply 3;
the bottom frame 42 is fixedly installed at the bottom of the outer cover shell 41, the bottom frame 42 is fixedly connected with the pull ring 43, a timer 45 is fixedly installed on the outer wall surface of one side of two symmetrical wall surfaces of the outer cover shell 41, which are vertical to the ground, and the timer 45 is respectively connected with the lower limit component 46 and the upper limit component 47 through two groups of conducting wires;
as shown in fig. 3 and 6, the lower limit component 46 and the upper limit component 47 are both installed on the side wall surfaces of two symmetrical wall surfaces of the housing shell 41 perpendicular to the ground, and the lower limit component 46 is located below the upper limit component 47;
a backboard assembly 48 is fixedly mounted on the inner wall of the side surface of the housing case 41 where the timer 45 is mounted.
The number of the lower limiting assemblies 46 is two, and the two groups of lower limiting assemblies 46 are symmetrically arranged at the lower ends of the side wall surfaces of two symmetrical wall surfaces of the outer cover shell 41, which are vertical to the ground; each set of lower limit assemblies 46 further includes: a rocker 461, a sensor 462, a connecting shaft 463 and a motor 464; one end of the swinging piece 461 is connected with the motor 464 through a connecting shaft 463; a sensor 462 is provided in the connecting shaft 463.
The motor 464 is installed inside the side wall surfaces of the two symmetrical wall surfaces of the housing case 41 perpendicular to the ground, the output end of the motor 464 is installed outside the side wall surfaces of the two symmetrical wall surfaces of the housing case 41 perpendicular to the ground and is fixedly connected with the connecting shaft 463, and the connecting shaft 463 is welded at the end of the swinging piece 461.
As shown in fig. 4, the number of the upper limiting assemblies 47 is two, the two upper limiting assemblies 47 are symmetrically installed at the upper ends of the side wall surfaces of two symmetrical wall surfaces of the housing body 41 perpendicular to the ground, and each upper limiting assembly 47 includes: the air cylinder rod 471, the shifting piece 472 and the air cylinder 473 are arranged in the two symmetrical wall surfaces of the outer cover shell 41 perpendicular to the ground, the inlet end and the outlet end of the air cylinder 473 are fixedly installed in the two symmetrical wall surfaces of the outer cover shell 41 perpendicular to the ground, the output end of the air cylinder 473 is fixedly connected with one end of the air cylinder rod 471 and is arranged in the two symmetrical wall surfaces of the outer cover shell 41 perpendicular to the ground, and the other end of the air cylinder rod 471 is arranged outside the two symmetrical wall surfaces of the outer cover shell 41 perpendicular to the ground and is fixedly connected with the shifting piece 472.
As shown in fig. 5, the backplate assembly 48 includes: the device comprises a backboard body 481, a butt joint groove 482, a monitoring device clamping interface 483, a monitoring device switch 484, a plurality of elastic push plates 485, a power interface 486, a power switch 487 and a plurality of groups of conducting wires;
the upper part of the surface of the backboard body 481 is provided with a butt joint groove 482, and a power switch 487, a power interface 486 and two elastic push plates 485 are respectively arranged on the surface of the butt joint groove 482;
the lower part of the surface of the backboard body 481 is provided with a monitoring device clamping interface 483, a monitoring device switch 484 and two elastic push plates 485; the monitoring equipment clamping interface 483 is connected with the reactor core liquid level monitoring equipment 2, the monitoring equipment clamping interface 483 is electrically connected with a monitoring equipment switch 484 through a lead, and the lower part of the surface and the elastic push plate 485 on the butt joint groove 482 are symmetrically arranged.
The power interface 486 is electrically connected with the monitoring equipment clamping interface 483, and the power interface 486 is also connected with the power supply 3; the power switch 487 is electrically connected to the power interface 486 through a conductive wire.
The above detailed description of the embodiments of the present invention is not limited to the above examples, and various changes can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art.

Claims (7)

1. The utility model provides a nuclear power station reactor core liquid level monitoring system inspection and calibration device which characterized in that includes: the reactor core liquid level monitoring device comprises a calibration simulator (1), a reactor core liquid level monitoring device (2), a power supply (3), a connecting mechanism (4) and a plurality of groups of leads, wherein the calibration simulator (1) is connected with the reactor core liquid level monitoring device (2) through the group of leads, the reactor core liquid level monitoring device (2) is clamped in the connecting mechanism (4), the power supply (3) is arranged in the connecting mechanism (4), and the power supply (3) is positioned above the reactor core liquid level monitoring device (2); and a reactor core liquid level monitoring system is arranged in the reactor core liquid level monitoring equipment (2).
2. The nuclear power plant reactor core liquid level monitoring system inspection and calibration device of claim 1, wherein: coupling mechanism (4) wholly is cavity cuboid structure, coupling mechanism (4) still include: the device comprises an outer cover shell (41), a chassis (42), a pull ring (43), a plurality of groups of clamping grooves (44), a timer (45), a lower limiting component (46), an upper limiting component (47) and a back plate component (48);
an upper group of clamping grooves (44) and a lower group of clamping grooves (44) are symmetrically machined on two symmetrical inner wall surfaces of the outer cover shell (41), the two symmetrical inner wall surfaces are perpendicular to the ground, the lower group of clamping grooves (44) are clamped with the reactor core liquid level monitoring equipment (2), the lower group of clamping grooves (44) limit the vertical position of the reactor core liquid level monitoring equipment (2), the upper group of clamping grooves (44) are clamped with the power supply (3), the power supply (3) is installed in the outer cover shell (41) through the upper group of clamping grooves (44), and the upper group of clamping grooves (44) limit the vertical position of the power supply (3);
the bottom of the outer cover shell (41) is fixedly provided with a bottom frame (42), the bottom frame (42) is fixedly connected with a pull ring (43), the outer wall surface of one side of two symmetrical wall surfaces of the outer cover shell (41) perpendicular to the ground is fixedly provided with a timer (45), and the timer (45) is respectively connected with a lower limiting component (46) and an upper limiting component (47) through two groups of wires;
the lower limiting assembly (46) and the upper limiting assembly (47) are both arranged on the side wall surfaces of two symmetrical wall surfaces of the outer cover shell (41) perpendicular to the ground, and the lower limiting assembly (46) is positioned below the upper limiting assembly (47);
and a back plate assembly (48) is fixedly arranged on the inner wall of one side surface of the outer cover shell (41) provided with the timer (45).
3. The nuclear power plant reactor core liquid level monitoring system inspection and calibration device of claim 2, wherein: the number of the lower limiting assemblies (46) is two, and the two groups of lower limiting assemblies (46) are symmetrically arranged at the lower ends of the side wall surfaces of two symmetrical wall surfaces of the outer cover shell (41) vertical to the ground; each set of lower limit assemblies (46) further comprises: a swinging piece (461), a sensor (462), a connecting shaft (463) and a motor (464); one end of the swinging piece (461) is connected with the motor (464) through a connecting shaft (463); a sensor (462) is arranged in the connecting shaft (463).
4. The nuclear power plant reactor core liquid level monitoring system inspection and calibration device of claim 3, wherein: the motor (464) is arranged inside the side wall surfaces of the two symmetrical wall surfaces of the outer cover shell (41) perpendicular to the ground, the output end of the motor (464) is arranged outside the side wall surfaces of the two symmetrical wall surfaces of the outer cover shell (41) perpendicular to the ground and is fixedly connected with the connecting shaft (463), and the connecting shaft (463) is welded at the end part of the swinging piece (461).
5. The nuclear power plant reactor core liquid level monitoring system inspection and calibration device of claim 2, wherein: the upper limit components (47) are arranged in two groups, the two groups of upper limit components (47) are symmetrically arranged at the upper ends of the side wall surfaces of two symmetrical wall surfaces of the outer cover shell (41) perpendicular to the ground, and each group of upper limit components (47) comprises: the air cylinder rod (471), the shifting piece (472) and the air cylinder (473), the inlet and outlet end of the air cylinder (473) is fixedly installed inside the side wall surfaces of the two symmetrical wall surfaces of the outer cover shell (41) perpendicular to the ground, the output end of the air cylinder (473) is fixedly connected with one end of the air cylinder rod (471) and is arranged inside the side wall surfaces of the two symmetrical wall surfaces of the outer cover shell (41) perpendicular to the ground, and the other end of the air cylinder rod (471) is arranged outside the side wall surfaces of the two symmetrical wall surfaces of the outer cover shell (41) perpendicular to the ground and is fixedly connected with the shifting piece (472).
6. The nuclear power plant reactor core liquid level monitoring system inspection and calibration device of claim 2, wherein: the back plate assembly (48) includes: the monitoring device comprises a backboard body (481), a butt joint groove (482), a monitoring device clamping interface (483), a monitoring device switch (484), a plurality of elastic push plates (485), a power interface (486), a power switch (487) and a plurality of groups of conducting wires;
the upper part of the surface of the backboard body (481) is provided with a butt joint groove (482), and a power switch (487), a power interface (486) and two elastic push plates (485) are respectively arranged on the surface of the butt joint groove (482);
the lower part of the surface of the backboard body (481) is provided with a monitoring equipment clamping interface (483), a monitoring equipment switch (484) and two elastic push plates (485); the monitoring device clamps interface (483) and meets with reactor core liquid level monitoring equipment (2), and monitoring device clamps interface (483) and passes through wire and monitoring device switch (484) electric connection, the lower part on surface and elasticity push pedal (485) on butt joint groove (482) are the symmetry setting.
7. The nuclear power plant reactor core liquid level monitoring system inspection and calibration device of claim 6, wherein: the power supply interface (486) is electrically connected with the monitoring equipment clamping interface (483), and the power supply interface (486) is also connected with the power supply (3); the power switch (487) is electrically connected to the power interface (486) through a conductive wire.
CN202120711381.XU 2021-04-07 2021-04-07 Checking and calibrating device for nuclear power station reactor core liquid level monitoring system Active CN214748327U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120711381.XU CN214748327U (en) 2021-04-07 2021-04-07 Checking and calibrating device for nuclear power station reactor core liquid level monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120711381.XU CN214748327U (en) 2021-04-07 2021-04-07 Checking and calibrating device for nuclear power station reactor core liquid level monitoring system

Publications (1)

Publication Number Publication Date
CN214748327U true CN214748327U (en) 2021-11-16

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CN202120711381.XU Active CN214748327U (en) 2021-04-07 2021-04-07 Checking and calibrating device for nuclear power station reactor core liquid level monitoring system

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