CN217005881U - Online diagnosis and calibration device and system for EAU (instrumentation and user interface) system of containment vessel of nuclear power plant - Google Patents
Online diagnosis and calibration device and system for EAU (instrumentation and user interface) system of containment vessel of nuclear power plant Download PDFInfo
- Publication number
- CN217005881U CN217005881U CN202220713683.5U CN202220713683U CN217005881U CN 217005881 U CN217005881 U CN 217005881U CN 202220713683 U CN202220713683 U CN 202220713683U CN 217005881 U CN217005881 U CN 217005881U
- Authority
- CN
- China
- Prior art keywords
- diagnosis
- unit
- signal
- interface
- eau
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to an on-line diagnosis and calibration device and system for an EAU (instrumentation and Unit) system of a containment vessel of a nuclear power plant, which comprises: the device comprises a box body, and a processing unit, a signal input and output unit, a driving control unit, a touch display unit and a diagnosis unit which are arranged in the box body; the signal input and output unit, the driving control unit, the touch display unit and the diagnosis unit are respectively connected with the processing unit; the signal input and output unit receives an external input signal or outputs a standard signal; the driving control unit sets a standard signal according to the driving control of the processing unit; the touch display unit is used for displaying data/information; the diagnostic unit performs a diagnostic calibration function based on the external input signal; the processing unit processes and manages and controls the signals. The utility model can diagnose and calibrate the channel signal of the EAU system, find the abnormity in time, greatly improve the working efficiency and ensure the safe and stable operation of the field system.
Description
Technical Field
The utility model relates to the technical field of containment vessel instrument detection of a nuclear power plant, in particular to an on-line diagnosis and calibration device and system for an EAU (instrumentation and instrumentation unit) system of a containment vessel of the nuclear power plant.
Background
The EAU system is a containment vessel instrument system and is mainly designed for monitoring the sedimentation and deformation of a containment vessel in the construction and service life periods, during the construction period of the containment vessel, a containment vessel acceptance test, a regular test after commissioning operation, a 10-year containment vessel compression test, and under the working conditions of spontaneous combustion disasters and accidents, through the data measurement and collection of the EAU system, the structural deformation, the internal force and the inclination of a key position of the containment vessel in the pressure test are calculated and analyzed, so that the performance of the containment vessel is evaluated.
At present, during a nuclear power plant professional daily overhaul containment vessel compression test, data acquisition is relatively frequent, channel signals disappear frequently, abnormal fluctuation of data occurs frequently, abnormal reasons can not be judged in a short time, data channels are more, the time consumed for single troubleshooting is long, and the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing an on-line diagnosis and calibration device and system for an EAU (instrumentation and instrumentation unit) system of a containment vessel of a nuclear power plant aiming at the defects of the prior art.
The technical scheme adopted by the utility model for solving the technical problems is as follows: an on-line diagnosis and calibration device for an EAU (instrumentation access unit) system of a containment vessel of a nuclear power plant is constructed, and comprises the following components: the device comprises a box body, and a processing unit, a signal input and output unit, a driving control unit, a touch display unit and a diagnosis unit which are arranged in the box body;
the signal input and output unit, the driving control unit, the touch display unit and the diagnosis unit are respectively connected with the processing unit;
the signal input and output unit is used for receiving an external input signal or outputting a standard signal output by the driving control unit;
the driving control unit is used for setting the standard signal according to the driving control of the processing unit;
the touch display unit is used for displaying information and receiving input information;
the diagnostic unit is used for executing a diagnostic calibration function based on the external input signal;
the processing unit is used for processing the external input signal, executing drive control on the drive control unit and outputting the data/information to the touch display unit; the processing unit is further configured to control a diagnostic calibration of the diagnostic unit.
In the on-line diagnosis and calibration device for the EAU system of the containment vessel instrument of the nuclear power plant, the box body comprises: the cover comprises a cover body and a main body part connected with the cover body;
the main body part comprises an operation panel and is of a hollow structure; the processing unit, the signal input and output unit, the driving control unit, the touch display unit and the diagnosis unit are arranged in the main body part, and an operation interface of the touch display unit is positioned on the operation panel.
In the on-line diagnosis and calibration device for the EAU system of the containment vessel instrument in the nuclear power plant, the utility model further comprises: a standard input/output interface;
the standard input and output interface is arranged on the operation panel and used for connecting the diagnosis and calibration device with the switching box.
In the on-line diagnosis and calibration device for the EAU system of the containment instrument of the nuclear power plant, the standard input and output interface comprises: a first standard signal interface and a second standard signal interface;
the first standard signal interface is connected with a first prestress meter interface on the switching box through a first cable, so that the diagnosis and calibration device can complete signal transmission with the switching box;
the first standard signal interface is connected with a second prestress meter interface, a thermocouple interface and a perpendicular coordinatograph interface on the switching box through a second cable so that the diagnosis and calibration device can complete signal transmission with the switching box;
the first standard signal interface and the second standard signal interface are connected with a strain gauge interface, a level tank interface and a convergence gauge interface on the switching box through third cables, so that the diagnosis and calibration device can complete signal transmission with the switching box.
In the on-line diagnosis and calibration device for the EAU system of the containment instrument of the nuclear power plant, the first standard signal interface and the second standard signal interface both include: a first pin, a second pin, a third pin and a fourth pin;
the first pin and the fourth pin are used for measuring and outputting current signals, the first pin is connected with a current positive end, and the fourth pin is connected with a current negative end;
the second pin and the third pin are used for measuring and outputting a voltage signal, a resistance signal or a thermocouple signal and outputting a frequency signal, and the second pin is connected with a signal positive end and the third pin is connected with a signal negative end.
In the on-line diagnosis and calibration device for the EAU system of the containment vessel instrument in the nuclear power plant, the diagnosis unit comprises: a plumb line diagnostic module;
the plumb line diagnostic module is used for performing a plumb line calibration function.
In the on-line diagnosis and calibration device for the EAU system of the containment vessel instrument of the nuclear power plant, the diagnosis unit further comprises: a strain gauge diagnostic module;
the strain gauge diagnosis module is connected with the processing unit and used for executing the strain gauge diagnosis function.
In the on-line diagnosis and calibration device for the EAU system of the containment vessel instrument of the nuclear power plant, the diagnosis unit further comprises: a thermocouple diagnostic module;
the thermocouple diagnosis module is connected with the processing unit and used for executing thermocouple diagnosis functions.
In the on-line diagnosis and calibration device for the EAU system of the containment vessel instrument of the nuclear power plant, the diagnosis unit further comprises: a level tank diagnostic module;
and the leveling tank diagnosis module is connected with the processing unit and is used for executing a leveling tank diagnosis function.
The utility model also provides an on-line diagnosis and calibration system for the EAU system of the containment instrument of the nuclear power plant, which comprises the following steps: the on-line diagnosis and calibration device for the EAU system of the containment vessel instrument of the nuclear power plant and the switching box are provided;
the switching box is connected with the on-line diagnosis and calibration device of the EAU system of the containment instrument of the nuclear power plant and is used for controlling the on-off of the on-line diagnosis and calibration device of the EAU system of the containment instrument of the nuclear power plant and the EAU automatic acquisition system.
The nuclear power plant containment instrument EAU system online diagnosis and calibration device and system have the following beneficial effects: the method comprises the following steps: the device comprises a box body, and a processing unit, a signal input and output unit, a driving control unit, a touch display unit and a diagnosis unit which are arranged in the box body; the signal input and output unit, the driving control unit, the touch display unit and the diagnosis unit are respectively connected with the processing unit; the signal input and output unit receives an external input signal or outputs a standard signal; the driving control unit sets a standard signal according to the driving control of the processing unit; the touch display unit displays data/information; the diagnostic unit performs a diagnostic calibration function based on an external input signal; the processing unit processes and manages and controls the signals. The utility model can diagnose and calibrate the channel signal of the EAU system, find the abnormity in time, greatly improve the working efficiency and ensure the safe and stable operation of the field system.
Drawings
The utility model will be further described with reference to the following drawings and examples, in which:
FIG. 1 is a schematic structural diagram of an EAU system online diagnosis calibration device for a containment instrument of a nuclear power plant according to an embodiment of the utility model;
FIG. 2 is a schematic view of an operation panel of an EAU system online diagnosis calibration device for a containment vessel instrument of a nuclear power plant according to an embodiment of the utility model;
FIG. 3 is a schematic diagram of a standard signal output cable provided by an embodiment of the present invention;
FIG. 4 is a schematic view of a thermocouple signal acquisition cable provided by an embodiment of the present invention;
FIG. 5 is a circuit diagram of a standard signal output internal circuit provided by an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an EAU system online diagnosis calibration system for a containment instrument of a nuclear power plant according to an embodiment of the present invention.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
Referring to fig. 1, a schematic structural diagram of an alternative embodiment of an EAU system online diagnosis calibration device for a containment vessel instrument of a nuclear power plant provided in the present invention is shown.
Specifically, as shown in fig. 1, the online diagnosis and calibration device for the EAU system of the containment vessel instrument in the nuclear power plant includes: the device comprises a box body, and a processing unit 201, a signal input and output unit 203, a driving control unit 204, a touch display unit 202 and a diagnosis unit which are arranged in the box body.
The signal input/output unit 203, the driving control unit 204, the touch display unit 202 and the diagnosis unit are respectively connected to the processing unit 201.
The signal input/output unit 203 is configured to receive an external input signal or output a standard signal output by the drive control unit 204.
Optionally, in this embodiment of the present invention, the signal input/output unit 203 may include 2 channels. By setting 2 channels for input and output of analog signals, the use efficiency and redundancy in calibration can be improved.
The driving control unit 204 is configured to set the standard signal according to the driving control of the processing unit 201.
The touch display unit 202 is used for displaying information and receiving input information.
Optionally, in the embodiment of the present invention, by setting the touch display unit 202, the relevant information/signal can be displayed in real time, and input information operated by the user on the touch display unit 202 can be received and displayed, so that the user can perform relevant touch operations.
The diagnostic unit is used for executing a diagnostic calibration function based on an external input signal.
The processing unit 201 is configured to process an external input signal, perform driving control on the driving control unit 204, and output data/information to the touch display unit 202; the processing unit 201 is also used to control the diagnostic calibration of the diagnostic unit.
In the embodiment of the present invention, as shown in fig. 2, the box body includes: a lid 10 and a main body 20 connected to the lid 10.
The main body 20 includes an operation panel 21 and has a hollow structure.
In the embodiment of the present invention, the processing unit 201, the signal input/output unit 203, the driving control unit 204, the touch display unit 202, and the diagnosis unit are disposed inside the main body 20, and an operation interface of the touch display unit 202 is located on the operation panel 21.
Further, in the embodiment of the present invention, the on-line diagnosis and calibration apparatus for the EAU system of the containment vessel instrument of the nuclear power plant further includes an oscilloscope 209 disposed in the box, and an oscilloscope 209 interface disposed on the operation panel 21 and corresponding to the oscilloscope 209. By arranging the oscilloscope 209, whether the relevant sensor has a fault or not can be quickly judged.
Further, in an embodiment of the present invention, the online diagnosis and calibration device for an EAU system of a containment vessel instrument in a nuclear power plant further includes: and a standard input and output interface.
The standard input/output interface is arranged on the operation panel 21 and is used for connecting the diagnosis and calibration device with the switching box.
Optionally, in an embodiment of the present invention, the standard input/output interface includes: a first standard signal interface 217 and a second standard signal interface 218. The first standard signal interface 217 and the second standard signal interface 218 of the embodiment of the present invention may be the same interface.
The first standard signal interface 217 is connected with the first prestress meter interface on the switching box through a first cable, so that the diagnosis and calibration device can complete signal transmission with the switching box.
The first standard signal interface 217 is connected with the second prestress meter interface, the thermocouple interface and the vertical coordinatograph interface on the switching box through a second cable, so that the diagnosis and calibration device can complete signal transmission with the switching box.
The first standard signal interface 217 and the second standard signal interface 218 are connected with a strain gauge interface, a level tank interface and a convergence gauge interface on the switching box through a third cable, so that the diagnosis and calibration device can complete signal transmission with the switching box.
Specifically, the first standard signal interface 217 and the second standard signal interface 218 in the embodiment of the present invention may be respectively connected to switching boxes of different on-site machine sets through a first cable, a second cable, or a third cable, so as to implement detection and acquisition of signals.
Optionally, in the embodiment of the present invention, the first cable may be adapted to connect the first standard signal interface 217 and the first pre-stress gauge. The second cable may be adapted to connect the first standard signal interface 217 to the second pre-strain gauge. The third cable may be adapted to connect the first standard signal interface 217 or the second standard signal interface 218 with a strain gauge, a level tank, or a convergence gauge.
Optionally, in the embodiment of the present invention, in order to distinguish the connection of the first cable, the second cable, and the third cable, the identification may be performed by different labels. For example, the designation "-A-" may be used to denote a first cable, the designation "-B-" may be used to denote a second cable, and the designation "-C-" may be used to denote a third cable. The first prestressing gauge is denoted by "prestressing gauge a" and the second prestressing gauge by "prestressing gauge B".
Specifically, one end of a cable marked with "-A-" is connected with the first standard signal interface 217, the other end of the cable is connected with a socket marked with a "prestress meter A" on the switching box, a frequency signal can be output to the switching box through the first standard signal interface 217, the frequency signal is transmitted to a line concentration box of the EAU automatic acquisition system through the switching box, the frequency signal of the line concentration box is transmitted to a computer at the rear end, and the computer performs channel diagnosis of the prestress meter A according to the received frequency signal so as to judge whether the channel is abnormal.
One end of a cable marked as "-B-" is connected with the first standard signal interface 217, the other end of the cable is connected with a socket marked with a "prestress meter B", "thermocouple" or a "vertical coordinatograph" on the switching box, a frequency signal, a K-type thermocouple or a voltage signal can be output to the switching box through the first standard signal interface 217, the frequency signal, the K-type thermocouple or the voltage signal can be transmitted to a line concentration box of the EAU automatic acquisition system through the switching box, the frequency signal of the line concentration box is transmitted to a computer at the rear end, and the computer carries out channel diagnosis on the prestress meter B, the thermocouple or the vertical coordinatograph according to the received frequency signal so as to judge whether the channel is abnormal.
One end of a cable marked as' -C-is connected with a first standard signal interface 217 and a second standard signal interface 218, the other end of the cable is connected with a socket marked with a strain gauge, a level tank or a convergence meter on the switching box, wherein the first standard signal interface 217 and the second standard signal interface 218 respectively output corresponding signals to the switching box, the signals are transmitted to a wire collecting box of the EAU automatic acquisition system through the switching box and are transmitted to a computer at the rear end by the wire collecting box, and the computer carries out channel diagnosis on the strain gauge, the level tank or the convergence meter according to the received signals so as to judge whether the channel is abnormal.
Wherein the connection of the cables (electric cables) is shown in fig. 3. The standard signal output interface 1CZ-6 in fig. 3 is the first standard signal interface 217, and the standard signal output interface 2CZ-7 is the second standard signal interface 218.
It is understood that, in the embodiment of the present invention, the first standard signal interface 217 and the second standard signal interface 218 may be used as an output interface or an input interface. For example, when the analog sensor signal outputs a standard frequency signal, the analog sensor signal is used as an output interface; when used for sensor signal measurement, it is used as an input interface. Similarly, when the device is used as an input interface, the device is disconnected from the rear end line concentration box and connected with the front end through the switching box, the sensor signal is connected to the first standard signal interface 217 or the second standard signal interface 218 through the switching box, and the sensor signal measurement is completed by the on-line diagnosis and calibration device of the EAU system of the containment instrument of the nuclear power plant.
Wherein in one embodiment, such as thermocouple signal acquisition, the cabling is as shown in figure 4.
Optionally, in this embodiment of the present invention, each of the first standard signal interface 217 and the second standard signal interface 218 includes: a first pin (shown as 4W in fig. 5), a second pin (shown as + in fig. 5), a third pin (shown as-in fig. 5), and a fourth pin (shown as 3W in fig. 5).
The first pin and the fourth pin are used for measuring and outputting a current signal (4-20 mA), the first pin is connected with a current positive end, and the fourth pin is connected with a current negative end.
The second pin and the third pin are used for measuring and outputting a voltage signal, a resistance signal or a thermocouple signal and outputting a frequency signal, the second pin is connected with a signal positive end, and the third pin is connected with a signal negative end.
Specifically, the standard signal input/output module in fig. 5 is the signal input/output unit 203 according to the embodiment of the present invention. As shown in fig. 5, the standard signal input/output module has two channels, i.e., 1 channel and 2 channel.
Further, as shown in fig. 2, the on-line diagnosis and calibration apparatus for the EAU system of the containment vessel instrument of the nuclear power plant further includes: a fill pump interface 211, a level tank calibration interface 212, a plumb line calibration interface 213, and a power line interface 214. The water injection pump interface 211, the level tank calibration interface 212, the plumb line calibration interface 213, and the power line interface 214 are all disposed on the operation panel 21, and can complete input and output of corresponding signals.
Specifically, as shown in fig. 2, the water injection pump interface 211, the leveling tank calibration interface 212, the plumb line calibration interface 213, the power line interface 214, the first standard signal interface 217, and the second standard signal interface 218 may be disposed on the left side of the operation panel 21. As shown in fig. 2, an interface 215 of the oscilloscope 209 channel 1 and an interface 216 of the oscilloscope 209 channel 2 can be further arranged on the left side of the operation panel 21, a main input switch and a partial input fuse (219) for power input of an AC220V can be arranged on the right side of the operation panel 21, and a USB interface 220 (such as USB3.0) can be arranged on the middle upper part of the operation panel 21.
Optionally, in an embodiment of the present invention, the diagnosis unit includes: the plumb line diagnostic module 205. Wherein the plumb line diagnostic module 205 is configured to perform a plumb line calibration function. The plumb line diagnostic module 205 inputs a current signal. Specifically, the plumb line diagnostic module 205 according to the present invention may be implemented using an existing circuit structure, but the present invention is not limited thereto, and the module may be implemented by integrating the plumb line diagnostic module 205 into a box.
Optionally, in an embodiment of the present invention, the diagnosis unit further includes: a strain gauge diagnostic module 206. The strain gauge diagnosis module 206 is connected to the processing unit 201, and is configured to perform a strain gauge diagnosis function. The strain gage diagnostic module 206 inputs a frequency signal and a temperature signal. Specifically, a standard frequency signal is input into the touch display unit 202, data of the strain gauge is collected through the first standard signal interface 217 or the second standard signal interface 218, the collected data is processed by the strain gauge diagnosis module 206 to form a waveform, and the waveform is displayed through the touch display unit 202, so that whether the strain gauge is abnormal or damaged can be intuitively and quickly judged through the displayed waveform.
Alternatively, the strain gage diagnostic module 206 of the present invention may be implemented using an existing circuit structure, but the present invention is not limited to this, and the modularization may be implemented by integrating the strain gage diagnostic module 206 in a case. Alternatively, in the embodiment of the present invention, the strain gauge determination may be implemented by the oscilloscope 209. Specifically, data of the strain gauge is acquired through an oscilloscope 209 interface, waveform output is performed through the oscilloscope 209, display is performed through the touch display unit 202, and whether the strain gauge is abnormal or damaged is rapidly judged through the waveform.
Optionally, in an embodiment of the present invention, the diagnosis unit further includes: a thermocouple diagnostic module 207. The thermocouple diagnostic module 207 is connected to the processing unit 201, and is configured to perform a thermocouple diagnostic function. The thermocouple diagnostic module 207 inputs a temperature signal.
Alternatively, the thermocouple diagnosis module 207 of the present invention may be implemented by using an existing circuit structure, the present invention is not particularly limited, and modularization may be implemented by integrating the thermocouple diagnosis module 207 in a case.
Optionally, in an embodiment of the present invention, the diagnosis unit further includes: a level tank diagnostic module 208. The level tank diagnostic module 208 is connected to the processing unit 201 and is configured to perform a level tank diagnostic function. The frequency signal input by the level tank diagnostic module 208.
According to the on-line diagnosis and calibration device for the EAU system of the containment vessel instrument of the nuclear power plant, the function of on-line integral disconnection of signals can be realized by utilizing the switching box, the workload on the site is greatly reduced, the integral disconnection can ensure that data is acquired immediately, the corresponding function of on-line calibration of each module is realized, and the data of each channel is accurate and correct.
In addition, the on-line diagnosis and calibration device for the EAU system of the containment vessel instrument of the nuclear power plant is provided with different diagnosis modules, so that different units of the nuclear power plant can be uniformly used, and the problem that the different units are incompatible is solved. Meanwhile, the device can also realize the simulation of field signals, and the device can be used for acquiring and processing signals to realize the rapid fault positioning.
The plumb line diagnostic module 205, strain gage diagnostic module 206, thermocouple diagnostic module 207, level tank diagnostic module 208, etc. of the present invention may be controlled individually or in an overall control connection.
Furthermore, the standard signal interface can effectively solve the problems of complicated lines and misconnection of the interface. The on-line diagnosis and calibration device for the EAU system of the containment vessel instrument of the nuclear power plant can be quickly connected with an EAU automatic acquisition system through the switching box, can ensure the stable and reliable acquisition of the original EAU automatic acquisition system, and can not interfere the original automatic data acquisition.
The shell of the whole set of equipment of the on-line diagnosis and calibration device for the containment instrument EAU system of the nuclear power plant adopts materials with high strength and light weight, and the design of a cuboid with small size, light weight and smooth edge is realized.
The processing unit 201 and the input/output interface of the whole calibration device are all in board type, and all functions are integrated together. The system adopts a modularized design to integrate a 13.3-inch integrated industrial personal computer (a processing unit (wherein the processing unit can be realized by adopting a single chip microcomputer and an ARM processor) 201, a touch control display unit, an oscilloscope 209, a signal input and output unit 203 and a drive control unit (wherein the drive control unit can be realized by adopting a drive circuit of the existing integrated industrial personal computer) 204 into a suitcase (a box body), a screen can be seen by opening a cover (a cover body 10), and the system can normally work by opening a power supply during work. The power access and the line access are convenient, and the device is provided with various connecting plugs and cables to be conveniently connected with various signals on site.
Furthermore, the output of the power supply adopts a self-recovery fuse, and if an external short circuit occurs, the power utilization safety of external equipment and self equipment can be protected. Optionally, the on-line diagnosis and calibration device for the EAU system of the containment vessel instrument of the nuclear power plant can be configured with a mobile power supply, is convenient to replace, can also realize an off-line charging function, can be configured with a charger (for example, two batteries can be arranged), and can also be configured with a liquid crystal display screen for displaying electric quantity.
The on-line diagnosis and calibration device for the EAU system of the containment instrument of the nuclear power plant solves the problems in the prior art, realizes the on-line integral disconnection function, can simulate a field sensor signal source, judges whether channel data are normal or not according to the accuracy of a modularized integral on-line check automatic acquisition system, can measure the field sensor signal (namely, the field sensor data are measured through a quick plug aviation connector, and the sensor is detected to be abnormal or not through a processing unit of the device), finds the abnormality in time, facilitates the subsequent maintenance work of the EAU system, greatly improves the working efficiency, and ensures the safe and stable operation of the field system.
Further, the utility model also provides an on-line diagnosis and calibration system for the EAU system of the containment instrument of the nuclear power plant.
As shown in fig. 6, the on-line diagnosis and calibration system for the EAU system of the containment vessel instrument of the nuclear power plant includes: the embodiment of the utility model discloses an on-line diagnosis and calibration device for an EAU (instrumentation and user interface) system of a containment vessel instrument of a nuclear power plant and a switching box.
The switching box is connected with the on-line diagnosis and calibration device of the EAU system of the containment instrument of the nuclear power plant and is used for controlling the on-off of the on-line diagnosis and calibration device of the EAU system of the containment instrument of the nuclear power plant and the EAU automatic acquisition system.
In the embodiment of the utility model, the switching box mainly has the following functions: the diagnosis and calibration device is externally connected with signals before and after disconnection, and is automatically connected with a standard signal interface of the diagnosis and calibration device, so that independent standard signal output is established. The switching box adopts a standard connector (quick plug aviation connector) and is connected with a standard signal interface of the diagnosis and calibration device by using a signal wire.
Optionally, in the embodiment of the present invention, the switching box may be implemented by using a relay.
As shown in fig. 6, the on-line diagnosis and calibration device of the nuclear power plant containment instrument EAU system and the sensor at the front end of the EAU automatic acquisition system can be communicated through the switching box, so that the acquisition and measurement of the signals of the on-site sensor are realized. Or the switching box can be communicated with the connection between the on-line diagnosis and calibration device of the EAU system of the containment instrument of the nuclear power plant and a line concentration box at the rear end of the EAU automatic acquisition system, so that the detection and diagnosis of channel data are realized.
The above embodiments are only for illustrating the technical idea and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement the present invention accordingly, and not to limit the protection scope of the present invention. All equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (10)
1. An on-line diagnosis and calibration device for an EAU (instrumentation and instrumentation unit) system of a containment vessel of a nuclear power plant is characterized by comprising the following components: the device comprises a box body, a processing unit, a signal input and output unit, a driving control unit, a touch display unit and a diagnosis unit, wherein the processing unit, the signal input and output unit, the driving control unit, the touch display unit and the diagnosis unit are arranged in the box body;
the signal input and output unit, the driving control unit, the touch display unit and the diagnosis unit are respectively connected with the processing unit;
the signal input and output unit is used for receiving an external input signal or outputting a standard signal output by the driving control unit;
the driving control unit is used for setting the standard signal according to the driving control of the processing unit;
the touch display unit is used for displaying information and receiving input information;
the diagnostic unit is used for executing a diagnostic calibration function based on the external input signal;
the processing unit is used for processing the external input signal, executing drive control on the drive control unit and outputting data/information to the touch display unit; the processing unit is further configured to control a diagnostic calibration of the diagnostic unit.
2. The on-line diagnosis and calibration device for the EAU system of the nuclear power plant containment instrument as recited in claim 1, wherein the box body comprises: the cover comprises a cover body and a main body part connected with the cover body;
the main body part comprises an operation panel and is of a hollow structure; the processing unit, the signal input and output unit, the driving control unit, the touch display unit and the diagnosis unit are arranged in the main body part, and an operation interface of the touch display unit is positioned on the operation panel.
3. The on-line diagnosis and calibration device for the EAU system of the containment vessel instrument of the nuclear power plant as claimed in claim 2, further comprising: a standard input/output interface;
the standard input and output interface is arranged on the operation panel and used for connecting the diagnosis and calibration device with the switching box.
4. The on-line diagnosis and calibration device for the EAU system of the nuclear power plant containment instrument, according to claim 3, is characterized in that the standard input and output interface comprises: a first standard signal interface and a second standard signal interface;
the first standard signal interface is connected with a first prestress meter interface on the switching box through a first cable, so that the diagnosis and calibration device can complete signal transmission with the switching box;
the first standard signal interface is connected with a second prestress meter interface, a thermocouple interface and a perpendicular coordinatograph interface on the switching box through a second cable so that the diagnosis and calibration device can complete signal transmission with the switching box;
the first standard signal interface and the second standard signal interface are connected with a strain gauge interface, a level tank interface and a convergence meter interface on the switching box through third cables, so that the diagnosis and calibration device can complete signal transmission with the switching box.
5. The on-line diagnosis and calibration device for the EAU system of the nuclear power plant containment instrument, according to claim 4, wherein the first standard signal interface and the second standard signal interface each comprise: a first pin, a second pin, a third pin and a fourth pin;
the first pin and the fourth pin are used for measuring and outputting current signals, the first pin is connected with a current positive end, and the fourth pin is connected with a current negative end;
the second pin and the third pin are used for measuring and outputting a voltage signal, a resistance signal or a thermocouple signal and outputting a frequency signal, and the second pin is connected with a signal positive end and the third pin is connected with a signal negative end.
6. The on-line diagnosis and calibration device for the EAU system of the nuclear power plant containment instrument is characterized in that the diagnosis unit comprises: a plumb line diagnostic module;
the plumb line diagnostic module is used for performing a plumb line calibration function.
7. The on-line diagnosis and calibration device for the EAU system of the containment vessel instrument of the nuclear power plant as recited in claim 6, wherein the diagnosis unit further comprises: a strain gauge diagnostic module;
the strain gauge diagnosis module is connected with the processing unit and used for executing a strain gauge diagnosis function.
8. The on-line diagnosis and calibration device for the EAU system of the nuclear power plant containment instrument as recited in claim 6, wherein the diagnosis unit further comprises: a thermocouple diagnostic module;
the thermocouple diagnosis module is connected with the processing unit and used for executing a thermocouple diagnosis function.
9. The on-line diagnosis and calibration device for the EAU system of the containment vessel instrument of the nuclear power plant as recited in claim 6, wherein the diagnosis unit further comprises: a level tank diagnostic module;
and the leveling tank diagnosis module is connected with the processing unit and is used for executing a leveling tank diagnosis function.
10. An on-line diagnosis and calibration system for an EAU (instrumentation and instrumentation unit) system of a containment vessel of a nuclear power plant is characterized by comprising the following components: the on-line diagnosis and calibration device for the EAU system of the containment instrument of the nuclear power plant and any one of claims 1 to 9 and the switching box;
the switching box is connected with the on-line diagnosis and calibration device of the EAU system of the containment instrument of the nuclear power plant and is used for controlling the on-off of the on-line diagnosis and calibration device of the EAU system of the containment instrument of the nuclear power plant and the automatic acquisition system of the EAU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220713683.5U CN217005881U (en) | 2022-03-29 | 2022-03-29 | Online diagnosis and calibration device and system for EAU (instrumentation and user interface) system of containment vessel of nuclear power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220713683.5U CN217005881U (en) | 2022-03-29 | 2022-03-29 | Online diagnosis and calibration device and system for EAU (instrumentation and user interface) system of containment vessel of nuclear power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217005881U true CN217005881U (en) | 2022-07-19 |
Family
ID=82371705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220713683.5U Active CN217005881U (en) | 2022-03-29 | 2022-03-29 | Online diagnosis and calibration device and system for EAU (instrumentation and user interface) system of containment vessel of nuclear power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217005881U (en) |
-
2022
- 2022-03-29 CN CN202220713683.5U patent/CN217005881U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105606300A (en) | Battery-powered multi-dimensional force strain sensor fault diagnosis system | |
| CN106443545B (en) | Fault diagnosis and positioning system and method for battery management system of pure electric vehicle | |
| CN213181942U (en) | Be applicable to BMS simulation front end and gather chip functional test frock | |
| CN217005881U (en) | Online diagnosis and calibration device and system for EAU (instrumentation and user interface) system of containment vessel of nuclear power plant | |
| CN210270114U (en) | Fault detector for heavy-duty mechanized bridge erection system | |
| CN219223762U (en) | Portable optical fiber gyro testing device | |
| CN213986738U (en) | DC relay checking device | |
| CN101261210B (en) | Cable branch joint sulfur hexafluoride air cell density remote-measuring system | |
| CN113075573B (en) | Low-voltage BMS testing system and method | |
| CN211696907U (en) | DMU function test device | |
| CN211452697U (en) | Wireless torque detection module | |
| CN216246467U (en) | Handheld sensor diagnostic tester | |
| CN212843686U (en) | Portable sensor detection device | |
| CN218512480U (en) | Instrument control IO board card detection device | |
| CN212646796U (en) | High-low voltage CT transformation ratio tester | |
| CN211786058U (en) | Batch detection tool for current sensors | |
| CN218036989U (en) | Battery experimental device | |
| CN219758459U (en) | Detection tool for battery module | |
| CN213209214U (en) | Reinforcing bar weight loss ratio testing arrangement based on fuzzy correction strategy | |
| CN105890718B (en) | Portable multi-channel flow integrating instrument field calibrator and control circuit thereof | |
| CN110060789B (en) | Reliability monitoring system and rotating speed rack with reliability monitoring function | |
| CN211347173U (en) | Drawer type switch contact finger pressure test system | |
| CN217560764U (en) | Liquid level sensor simulation test device | |
| CN211856725U (en) | Portable relay action power testing device | |
| CN209821273U (en) | Nuclear power plant DCS rack back needle detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |