CN214475481U - Water inflow prevention monitoring device for nuclear power station cabinet - Google Patents
Water inflow prevention monitoring device for nuclear power station cabinet Download PDFInfo
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- CN214475481U CN214475481U CN202022838057.2U CN202022838057U CN214475481U CN 214475481 U CN214475481 U CN 214475481U CN 202022838057 U CN202022838057 U CN 202022838057U CN 214475481 U CN214475481 U CN 214475481U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 73
- 238000012806 monitoring device Methods 0.000 title claims abstract description 20
- 230000002265 prevention Effects 0.000 title claims description 10
- 238000004891 communication Methods 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 13
- 230000007547 defect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 102100040225 Gamma-interferon-inducible lysosomal thiol reductase Human genes 0.000 description 1
- 101001037132 Homo sapiens Gamma-interferon-inducible lysosomal thiol reductase Proteins 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010223 real-time analysis Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Monitoring And Testing Of Nuclear Reactors (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
This novel nuclear power station rack protection field, concretely relates to nuclear power station rack prevents into water monitoring devices. The utility model provides a nuclear power station rack prevents into water monitoring devices, includes the detecting element: the intelligent processing unit is used for detecting and sending detected information to the intelligent processing unit; the intelligent processing unit: for data processing; a communication unit: the intelligent processing unit is used for communicating with the outside; a display unit: the display is used for displaying the output data of the intelligent processing unit. The utility model discloses a show the effect as follows: the intelligent monitoring system is mainly suitable for monitoring the cabinet in a water inlet mode, monitoring cabinet water vapor information often, alarming on the spot and remotely transmitting water regime information, and timely informing a system responsible person to process, so that the defect of high lagging of personnel inspection is overcome.
Description
Technical Field
This novel nuclear power station rack protection field, concretely relates to nuclear power station rack prevents into water monitoring devices.
Background
The wide application of a digital instrument control system, namely a distributed control system in a nuclear power station enables a plurality of various cabinets, typically a DCS cabinet and a relay protection cabinet, to be distributed on site. A large amount of precision equipment such as various board cards, switches, relays, contactors and the like are arranged in the equipment cabinets, and the equipment cabinets have important functions such as reactor protection equipment cabinets and reactor protection functions (used for triggering reactor shutdown, specially-designed protection, discharging and guiding out reactor core heat to the atmosphere and the like), and the foundation for ensuring the integrity of three barriers is achieved. The protection grade of rack is IP30, and the rack has fan ventilation mesh and top cable entrance hole, does not possess waterproof function, in case the rack intakes, will cause the short circuit, makes control function inefficacy. The failure of a cabinet that contributes significantly to the nuclear safety and the operational stability of the reactor will have immeasurable consequences, not allowing any loss of flash, both from the nuclear safety point of view and from the economic point of view. And during the period that the air blowing equipment is used for drying after the cabinet is filled with water, the equipment which is not sprayed with water is likely to be sprayed with water for the second time, the insulation and stability performance of the equipment after being sprayed with water is reduced, random faults may occur after operation, and in order to absolutely eliminate hidden dangers and consider from a safety angle, the best processing mode after the cabinet is sprayed with water is to replace all electronic equipment such as all CPUs, power modules, various clamping pieces and fans, so that huge economic loss is caused, and long time is spent.
The nuclear power station construction cycle is long, civil engineering factory building back of capping, the installation and the debugging of equipment carry out, the bridge is numerous in the room, the cable hole is arranged complicatedly, the factory building structure of complicacy provides the advantage for scurrying of the water regime, and it walks the line to relate to a large amount of cables during nearly twelve months' installation and debugging, work such as rack termination, make a large amount of holes and rack cable import not have the shutoff condition, rack top cable inlet and factory building cable bridge mouth can the shutoff completion before the heat examination usually, when rainstorm weather and other relate to valve and container and carry out the fluid test, the risk that the rack intake has greatly been increased. Therefore, whether the cabinet has accidental water inflow needs to be monitored in the construction and installation stage and during the normal operation of the unit.
The water regime between cabinets of domestic and foreign power plants in the same operation is manually inspected, hysteresis exists, and water leakage can not be accurately and timely found out due to complex structure of the plant. This device is installed by rack on the spot, through sensor discernment steam information, sends to microcontroller and realizes on-the-spot regimen monitoring, reports to the police on the spot and teletransmission regimen information, is convenient for patrol and examine and timely handle of personnel on duty, and the accurate monitors on-the-spot rack regimen to the protection rack.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a nuclear power station rack prevents into water monitoring devices, including information acquisition and remote alarm display two parts on the spot, the information acquisition part on the spot reports to the police on the spot rapidly when the running water appears in the rack room to carry out alarm display through the remote receiving part of radio communication with running water information transmission department on duty, so that patrol and examine and the personnel on duty make the processing. The emergency water regime at night is considered, and the responsible person is automatically notified to the system for processing in a mobile phone short message and telephone calling mode, so that accidental water inflow of the cabinet is avoided. The device has the characteristics of small volume, high response speed and high reliability.
The technical scheme of the utility model as follows:
a water inlet prevention monitoring device for a nuclear power station cabinet comprises
A detection unit: the intelligent processing unit is used for detecting and sending detected information to the intelligent processing unit;
the intelligent processing unit: for data processing;
a communication unit: the intelligent processing unit is used for communicating with the outside;
a display unit: the display is used for displaying the output data of the intelligent processing unit.
The device for monitoring the water ingress prevention of the nuclear power station cabinet comprises a water detection unit and a humidity detection unit.
The waterproof water monitoring device for the nuclear power station cabinet comprises a communication unit, a communication unit and a remote communication unit.
The waterproof monitoring device for the nuclear power station cabinet comprises a water inlet pipe, a water outlet pipe and a water inlet pipe.
The device for monitoring the water inflow prevention of the nuclear power station cabinet comprises a detection unit, a water inlet, a water outlet, a water inlet, a water outlet, a water inlet, a water outlet, a water inlet, a water outlet, a water inlet.
The device for monitoring the nuclear power station cabinet for preventing water from entering the nuclear power station cabinet comprises a middle communication unit and a middle communication unit.
The nuclear power station cabinet water-inlet-prevention monitoring device is characterized in that the remote communication unit is a GSM module and can make a call and send a short message.
The device for monitoring the water inflow prevention of the nuclear power station cabinet comprises a water detection unit, a moisture detection unit, a water level sensor and a Si7021 humidity sensor.
The waterproof water monitoring device for the nuclear power station cabinet comprises an intelligent processing unit STM32 single chip microcomputer.
The utility model discloses a show the effect as follows:
the intelligent cabinet water inlet monitoring system is mainly suitable for monitoring the cabinet to prevent water from entering the cabinet, and monitoring the water vapor information of the cabinet at any time, so that the defect of high hysteresis of personnel inspection is overcome.
1. The response speed is high: the sampling frequency is high, water drop and humidity information are collected once every 10ms, and an alarm is given immediately after the water situation is detected, so that an attendant can respond quickly;
2. the identification is accurate: raindrop sensors and humidity sensors are placed on the ground of the cabinet room, holes of a cable bridge frame between the cabinets and incoming cables on the tops of the cabinets, so that various potential cabinet water inlet paths are accurately identified;
3. avoid crossing the room and walk the line, convenient to use: the local cabinet water vapor information is transmitted in a wireless communication mode, so that cross-room wiring caused by hard-wired information transmission is omitted, and fault points are reduced;
4. the automation degree is high: only the humidity alarm threshold value and the telephone number of the person to be notified are needed to be set, alarm information can be received in the local place and the duty room when the cabinet has water inlet risk, and meanwhile, the corresponding responsible person is automatically notified;
5. the application is extensive, the facilitate promotion: the device can be applied to other places where the accidental water inflow of equipment or rooms needs to be prevented, and corresponding equipment responsible persons can be flexibly informed.
Drawings
FIG. 1 is a schematic block diagram of a nuclear power plant cabinet water ingress prevention monitoring device;
in the figure: 1. a water detection unit; 2. a humidity detection unit; 3. an intelligent processing unit; 4. an alarm unit; 5. an intermediate communication unit; 6. a remote communication unit; 7. a display unit.
Detailed Description
The present invention will be further explained with reference to the drawings and the detailed description.
As shown in fig. 1, the device comprises a water detection unit 1, a humidity detection unit 2, an intelligent processing unit 3, an alarm unit 4, an intermediate communication unit 5, a remote communication unit 6 and a display unit 7. The whole device is divided into two parts, local monitoring and remote alarm display are carried out, and information interaction is carried out between the two parts through an intermediate communication unit (a wireless serial port module). And the on-site intelligent processing unit sends the water vapor information and the alarm information to the on-duty room intelligent processing unit for displaying and alarming.
The on-site monitoring part is installed in the cabinet room, and water detecting element 1 is placed at cable testing bridge, rack top cable entrance hole, rack fan vent, room ground, and humidity detecting element 2 is placed at rack casing middle part, and the two sends the steam information of self collection for intelligent processing unit 3, carries out real-time analysis, and when detecting unexpected the emergence of intaking, alarm unit 4 carries out acousto-optic warning, is convenient for patrol and examine and other staff's discoveries. Meanwhile, the alarm information is transmitted to the remote alarm display part through the intermediate communication unit, a room with the water regime is displayed, an attendant is notified in time, and the water regime generated at the side of the cabinet is processed. Meanwhile, the remote communication unit sends an alarm short message and dials a telephone to a system responsible person or other on-duty personnel, so that the alarm information can be timely acquired, the problem of accidental water inflow in time can be responded, and the accidental water inflow of the cabinet can be avoided.
Claims (8)
1. The utility model provides a nuclear power station rack prevents into water monitoring devices which characterized in that: comprises that
A detection unit: the intelligent processing unit is used for detecting and sending detected information to the intelligent processing unit;
the intelligent processing unit: for data processing;
a communication unit: the intelligent processing unit is used for communicating with the outside;
a display unit: the display is used for displaying the output data of the intelligent processing unit;
the detection unit comprises a water detection unit and a humidity detection unit.
2. The water ingress prevention monitoring device for the nuclear power plant cabinet as claimed in claim 1, wherein: the communication unit comprises an intermediate communication unit and a remote communication unit.
3. The water ingress prevention monitoring device for the nuclear power plant cabinet as claimed in claim 2, wherein: the device also comprises an alarm unit for alarming.
4. The waterproof water monitoring device of the nuclear power station cabinet as claimed in claim 3, wherein: the detection unit is arranged on the ground among the cabinets, the cable inlet of the cabinet and the room cable bridge hole.
5. The waterproof water monitoring device of the nuclear power station cabinet as claimed in claim 4, wherein: the intermediate communication unit is a wireless transmission device.
6. The waterproof water monitoring device of the nuclear power station cabinet as claimed in claim 5, wherein: the remote communication unit is a GSM module and can make a call and send a short message.
7. The waterproof water monitoring device of the nuclear power station cabinet as claimed in claim 6, wherein: the water detection unit and the humidity detection unit are a Columbus water drop sensor and a Si7021 humidity sensor respectively.
8. The water ingress prevention monitoring device for the nuclear power plant cabinet as claimed in claim 7, wherein: and the intelligent processing unit STM32 single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022838057.2U CN214475481U (en) | 2020-11-30 | 2020-11-30 | Water inflow prevention monitoring device for nuclear power station cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022838057.2U CN214475481U (en) | 2020-11-30 | 2020-11-30 | Water inflow prevention monitoring device for nuclear power station cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214475481U true CN214475481U (en) | 2021-10-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022838057.2U Active CN214475481U (en) | 2020-11-30 | 2020-11-30 | Water inflow prevention monitoring device for nuclear power station cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214475481U (en) |
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2020
- 2020-11-30 CN CN202022838057.2U patent/CN214475481U/en active Active
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