CN212508881U - Nuclear power station main pump state monitoring system - Google Patents
Nuclear power station main pump state monitoring system Download PDFInfo
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- CN212508881U CN212508881U CN202020819167.1U CN202020819167U CN212508881U CN 212508881 U CN212508881 U CN 212508881U CN 202020819167 U CN202020819167 U CN 202020819167U CN 212508881 U CN212508881 U CN 212508881U
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Abstract
The disclosure belongs to the technical field of nuclear power maintenance, and particularly relates to a nuclear power station main pump state monitoring system. In the system for monitoring the state of the main pump of the nuclear power station in the embodiment of the disclosure, the control device acquires signals from at least one vibration sensor, at least one temperature sensor, at least one pressure sensor, at least one flow sensor, at least one vibration signal conversion card, at least one temperature signal conversion card, at least one pressure signal conversion card and at least one flow signal conversion card, and can acquire signals reflecting process parameters of the main pump, such as vibration condition, temperature, flow, pressure, liquid flow and the like, in real time, so that the system can more comprehensively and completely reflect the operating state of the main pump, and is beneficial for a maintainer to find the change rule of the operating state of the main pump.
Description
Technical Field
The utility model belongs to the technical field of the nuclear power maintenance, concretely relates to nuclear power station main pump state monitoring system.
Background
The nuclear power main pump is an important device of a nuclear reactor system, and if an effective monitoring means is lacked, the running state of the main pump cannot be mastered in real time and fault cause analysis is carried out, so that hidden danger is brought to the running safety of a reactor. The main pump of certain nuclear power plant is showing because ambient temperature changes lead to the vibration difference winter, summer, also appear flow, after the pressure change, vibration increase burst alarm, among the correlation technique, only monitors the vibration condition of main pump, causes to be comprehensive and abundant inadequately to the monitoring to the main pump state, consequently, how the running state of more abundant monitoring main pump becomes the problem that awaits a urgent need to solve.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems in the related art, the system for monitoring the state of the main pump of the nuclear power station is provided.
According to an aspect of the disclosed embodiment, a system for monitoring the condition of a nuclear power plant main pump is provided, which includes: the device comprises a control device, a data acquisition card, at least one vibration sensor, at least one temperature sensor, at least one pressure sensor, at least one flow sensor, at least one vibration signal conversion card, at least one temperature signal conversion card, at least one pressure signal conversion card and at least one flow signal conversion card;
each vibration sensor is connected with the main pump and used for generating an analog signal reflecting the vibration condition of the main pump;
each temperature sensor is connected with the main pump and used for generating an analog signal reflecting the temperature of the main pump;
each pressure sensor is connected with the main pump and used for generating an analog signal reflecting the pressure of the main pump;
each flow sensor is connected with the main pump and used for generating an analog signal reflecting the liquid flow of the main pump;
each vibration signal conversion card is connected with a vibration sensor and used for converting received analog signals into digital signals;
each temperature signal conversion card is connected with a temperature sensor and used for converting received analog signals into digital signals;
each pressure signal conversion card is connected with a pressure sensor and is used for converting received analog signals into digital signals;
each flow signal conversion card is connected with a flow sensor and used for converting received analog signals into digital signals;
the data acquisition card is respectively connected with each vibration signal conversion card, each temperature signal conversion card, each pressure signal conversion card, each flow signal conversion card and the control device, and is used for respectively acquiring digital signals from each vibration signal conversion card, each temperature signal conversion card, each pressure signal conversion card and each flow signal conversion card and sending the acquired digital signals to the control device.
In one possible implementation manner, the system for monitoring the condition of the main pump of the nuclear power plant further includes: at least one key phase measuring device;
each key phase measuring device is connected with the main pump and used for measuring the key phase of the main pump bearing.
In one possible implementation manner, the system for monitoring the condition of the main pump of the nuclear power plant further includes: at least one key phase measurement signal conversion card;
each key phase measurement signal conversion card is connected to a key phase measurement device for converting an analog signal received from the key phase measurement device into a digital signal.
The data acquisition card is connected with each key phase measurement signal conversion card and is used for acquiring digital signals from the key phase measurement signal conversion card and sending the acquired digital signals to the control device
In one possible implementation manner, the system for monitoring the condition of the main pump of the nuclear power plant further includes: a display device;
and the display device is connected with the control device and is used for displaying images of the change of the digital signals reflecting the vibration condition, the temperature, the pressure and the liquid flow of the main pump along with time.
In one possible implementation manner, the system for monitoring the condition of the main pump of the nuclear power plant further includes: a cabinet and a power supply;
the control device, the data acquisition card, the at least one vibration signal conversion card, the at least one temperature signal conversion card, the at least one pressure signal conversion card, the at least one flow signal conversion card and the power supply are integrated in the cabinet;
the power supply is used for supplying power to the control device, the data acquisition card, the at least one vibration signal conversion card, the at least one temperature signal conversion card, the at least one pressure signal conversion card and the at least one flow signal conversion card.
In one possible implementation, a 26-core RVVP cable is used for connecting between each vibration signal conversion card and the corresponding vibration sensor, between each temperature signal conversion card and the corresponding temperature sensor, between each pressure signal conversion card and the corresponding vibration sensor, and between each flow signal conversion card and the corresponding flow sensor.
In a possible implementation manner, the data acquisition card and each vibration signal conversion card are connected by using 21 paths of BNC cables.
In a possible implementation manner, the data acquisition card is connected with each vibration signal conversion card, each temperature signal conversion card, each pressure signal conversion card and each flow signal conversion card by using 11-way BNC cables.
In a possible implementation manner, the data acquisition card is connected with the control device by a network cable.
The beneficial effects of the utility model reside in that: in the nuclear power station main pump state monitoring system of the embodiment of the disclosure, the control device can acquire signals reflecting technological parameters of the main pump, such as vibration condition, temperature, flow, pressure, liquid flow and the like, in real time, so that the running state of the main pump can be more comprehensively and completely reflected, and the change rule of the running state of the main pump can be found by maintenance personnel.
Drawings
FIG. 1 is a block diagram illustrating a nuclear power plant main pump condition monitoring system in accordance with an exemplary embodiment.
Fig. 2 is a schematic diagram illustrating connection of components in a cabinet of a system for monitoring the condition of a main pump of a nuclear power plant according to an exemplary embodiment.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a block diagram illustrating a nuclear power plant main pump condition monitoring system in accordance with an exemplary embodiment. As shown in fig. 1, the system for monitoring the condition of a main pump of a nuclear power plant may include: the device comprises a control device, a data acquisition card, at least one vibration sensor, at least one temperature sensor, at least one pressure sensor, at least one flow sensor, at least one vibration signal conversion card, at least one temperature signal conversion card, at least one pressure signal conversion card and at least one flow signal conversion card;
in the embodiments of the present disclosure, the control device may be generally expressed as a final execution unit of information processing, program execution. The control device may be, for example, a Central Processing Unit (CPU), a single chip, or the like, and the type of the control device is not limited in the embodiment of the disclosure. It should be noted that, according to the need of monitoring the main pump, an applicable type of the vibration sensor, the temperature sensor, the pressure sensor, and the flow sensor may be selected.
Each vibration sensor may be coupled to the primary pump (e.g., the vibration sensing element of each vibration sensor may be disposed external to the primary pump), and the vibration sensor may generate an analog signal reflective of the vibration conditions of the primary pump. Each temperature sensor may also be coupled to the main pump (e.g., the temperature sensing element of each temperature sensor may be disposed within the main pump), which may generate an analog signal reflecting the temperature of the main pump; each pressure sensor is coupled to the main pump (e.g., a pressure sensing element of the pressure sensor may be disposed within the main pump), and the pressure sensor may generate an analog signal that reflects the pressure of the main pump; each flow sensor is coupled to the main pump (e.g., a flow sensing element of the flow sensor may be disposed within the main pump), and the flow sensor may generate an analog signal that reflects the flow of fluid through the main pump;
each vibration signal conversion card is connected with a vibration sensor and used for converting received analog signals into digital signals; each temperature signal conversion card is connected with a temperature sensor and used for converting received analog signals into digital signals; each pressure signal conversion card is connected with a pressure sensor and is used for converting received analog signals into digital signals; each flow signal conversion card is connected with a flow sensor and used for converting received analog signals into digital signals;
the data acquisition card is respectively connected with each vibration signal conversion card, each temperature signal conversion card, each pressure signal conversion card, each flow signal conversion card and the control device, the data acquisition card can acquire digital signals for reflecting the vibration condition of the main pump from each vibration signal conversion card, the data acquisition card can acquire the digital signals for reflecting the temperature of the main pump from each temperature signal conversion card, the data acquisition card can acquire the digital signals for reflecting the pressure of the main pump from each pressure signal conversion card, the data acquisition card can also acquire the digital signals for reflecting the flow of the main pump from each flow signal conversion card, and the data acquisition card can send the acquired digital signals to the control device.
The control device can determine reference data of the main pump, such as vibration, temperature, pressure, flow and other states, which change along with time, according to the digital signals for reflecting the vibration condition of the main pump, the digital signals for reflecting the temperature of the main pump, the digital signals for reflecting the pressure of the main pump and the digital signals for reflecting the flow of the main pump, which are received from the data acquisition card at a plurality of continuous moments.
The nuclear power plant main pump condition monitoring system can further comprise a display device (the display device can display images, such as a liquid crystal display and a plasma display), and the display device can acquire the reference data from the controller and display the images corresponding to the reference data. The image may reflect the state of the main pump as a function of time, such as vibration, temperature, pressure, and flow rate.
In one possible implementation manner, the system for monitoring the condition of the main pump of the nuclear power plant further includes: at least one key phase measuring device; each key phase measuring device may be connected to the main pump for key phase measurement of the main pump bearing. The system for monitoring the state of the nuclear power station main pump can also comprise: at least one key phase measurement signal conversion card;
each key phase measurement signal conversion card is connected to a key phase measurement device for converting an analog signal received from the key phase measurement device into a digital signal.
The data acquisition card is connected with each key phase measurement signal conversion card and is used for acquiring digital signals from the key phase measurement signal conversion card and sending the acquired digital signals to the control device
In one possible implementation manner, the system for monitoring the condition of the main pump of the nuclear power plant further includes: a cabinet and a power supply;
fig. 2 is a schematic diagram illustrating connection of components in a cabinet of a system for monitoring the condition of a main pump of a nuclear power plant according to an exemplary embodiment. As shown in fig. 2, at least one vibration signal conversion card (not shown), at least one temperature signal conversion card (not shown), at least one pressure signal conversion card (not shown), and at least one flow signal conversion card (not shown) may be integrated in the box 23, and the data acquisition card 22 may be connected to the vibration signal conversion card, the temperature signal conversion card, the pressure signal conversion card, and the flow signal conversion card in the box 23, respectively. The cabinet internal power source may include a first power source 24 and a second power source 25, the second power source 25 may be controlled to supply or stop supplying power to the cabinet internal circuits by controlling the closing or opening of a first switch 29, and the first power source 24 may be controlled to supply or stop supplying power to the cabinet internal circuits by controlling the closing or opening of a second switch 28. The power-on or power-off of the box 23 and the data acquisition card 22 can be controlled by controlling the opening or closing of the third switch 27, and the power-on or power-off of the control device 20 and the display 21 can be controlled by controlling the opening or closing of the fourth switch 26.
In one possible implementation, a 26-core RVVP cable may be used between each vibration signal conversion card and the corresponding vibration sensor, between each temperature signal conversion card and the corresponding temperature sensor, between each pressure signal conversion card and the corresponding vibration sensor, and between each flow signal conversion card and the corresponding flow sensor. The RVVP cable can be generally expressed as a copper-core pvc insulation shielding pvc sheath flexible cable, and can also be expressed as an electrical connection anti-interference flexible cable
In one possible implementation, the data acquisition card is connected to each vibration signal conversion card by a 21-channel BNC (Bayonet Nut Connector).
In a possible implementation mode, 11 paths of BNC cables are adopted for connecting the data acquisition card with each vibration signal conversion card, each temperature signal conversion card, each pressure signal conversion card and each flow signal conversion card.
In a possible implementation manner, the data acquisition card and the control device are connected by a network cable, and the network cable may include, for example, a twisted pair, a coaxial cable, an optical cable, and the like, for transmitting a network signal.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. It is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (9)
1. The utility model provides a nuclear power station main pump condition monitoring system which characterized in that, nuclear power station main pump condition monitoring system includes: the device comprises a control device, a data acquisition card, at least one vibration sensor, at least one temperature sensor, at least one pressure sensor, at least one flow sensor, at least one vibration signal conversion card, at least one temperature signal conversion card, at least one pressure signal conversion card and at least one flow signal conversion card;
each vibration sensor is connected with the main pump and used for generating an analog signal reflecting the vibration condition of the main pump;
each temperature sensor is connected with the main pump and used for generating an analog signal reflecting the temperature of the main pump;
each pressure sensor is connected with the main pump and used for generating an analog signal reflecting the pressure of the main pump;
each flow sensor is connected with the main pump and used for generating an analog signal reflecting the liquid flow of the main pump;
each vibration signal conversion card is connected with a vibration sensor and used for converting received analog signals into digital signals;
each temperature signal conversion card is connected with a temperature sensor and used for converting received analog signals into digital signals;
each pressure signal conversion card is connected with a pressure sensor and is used for converting received analog signals into digital signals;
each flow signal conversion card is connected with a flow sensor and used for converting received analog signals into digital signals;
the data acquisition card is respectively connected with each vibration signal conversion card, each temperature signal conversion card, each pressure signal conversion card, each flow signal conversion card and the control device, and is used for respectively acquiring digital signals from each vibration signal conversion card, each temperature signal conversion card, each pressure signal conversion card and each flow signal conversion card and sending the acquired digital signals to the control device.
2. The system for monitoring the condition of a nuclear power plant main pump according to claim 1, further comprising: at least one key phase measuring device;
each key phase measuring device is connected with the main pump and used for measuring the key phase of the main pump bearing.
3. The system for monitoring the condition of a nuclear power plant main pump according to claim 2, further comprising: at least one key phase measurement signal conversion card;
each key phase measuring signal conversion card is connected with a key phase measuring device and used for converting an analog signal received from the key phase measuring device into a digital signal;
the data acquisition card is connected with each key phase measurement signal conversion card and is used for acquiring digital signals from the key phase measurement signal conversion cards and sending the acquired digital signals to the control device.
4. The system for monitoring the condition of a nuclear power plant main pump according to claim 1, further comprising: a display device;
and the display device is connected with the control device and is used for displaying images of the change of the digital signals reflecting the vibration condition, the temperature, the pressure and the liquid flow of the main pump along with time.
5. The system for monitoring the condition of a nuclear power plant main pump according to claim 1, further comprising: a cabinet and a power supply;
the control device, the data acquisition card, the at least one vibration signal conversion card, the at least one temperature signal conversion card, the at least one pressure signal conversion card, the at least one flow signal conversion card and the power supply are integrated in the cabinet;
the power supply is used for supplying power to the control device, the data acquisition card, the at least one vibration signal conversion card, the at least one temperature signal conversion card, the at least one pressure signal conversion card and the at least one flow signal conversion card.
6. The system for monitoring the condition of the main pump of the nuclear power plant as recited in claim 1, wherein a 26-core RVVP cable is used for connecting each vibration signal conversion card with the corresponding vibration sensor, connecting each temperature signal conversion card with the corresponding temperature sensor, connecting each pressure signal conversion card with the corresponding vibration sensor, and connecting each flow signal conversion card with the corresponding flow sensor.
7. The system for monitoring the condition of the main pump of the nuclear power plant as claimed in claim 1, wherein the data acquisition card is connected with each vibration signal conversion card through a 21-channel BNC cable.
8. The system for monitoring the condition of the main pump of the nuclear power plant as claimed in claim 1, wherein the data acquisition card is connected with each vibration signal conversion card, each temperature signal conversion card, each pressure signal conversion card and each flow signal conversion card by using 11 BNC cables.
9. The system for monitoring the state of the main pump of the nuclear power plant as claimed in claim 1, wherein the data acquisition card is connected with the control device through a network cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020819167.1U CN212508881U (en) | 2020-05-15 | 2020-05-15 | Nuclear power station main pump state monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020819167.1U CN212508881U (en) | 2020-05-15 | 2020-05-15 | Nuclear power station main pump state monitoring system |
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| CN212508881U true CN212508881U (en) | 2021-02-09 |
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| CN202020819167.1U Active CN212508881U (en) | 2020-05-15 | 2020-05-15 | Nuclear power station main pump state monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115237037A (en) * | 2022-09-22 | 2022-10-25 | 长江三峡能事达电气股份有限公司 | Synchronous acquisition and processing method and system for speed regulator on-line monitoring analog signals |
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2020
- 2020-05-15 CN CN202020819167.1U patent/CN212508881U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115237037A (en) * | 2022-09-22 | 2022-10-25 | 长江三峡能事达电气股份有限公司 | Synchronous acquisition and processing method and system for speed regulator on-line monitoring analog signals |
| CN115237037B (en) * | 2022-09-22 | 2023-09-26 | 能事达电气股份有限公司 | Synchronous acquisition and processing method and system for on-line monitoring analog signals of speed regulator |
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