CN203397188U - Underwater lamp electric control system for nuclear power station - Google Patents

Underwater lamp electric control system for nuclear power station Download PDF

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Publication number
CN203397188U
CN203397188U CN201320459833.5U CN201320459833U CN203397188U CN 203397188 U CN203397188 U CN 203397188U CN 201320459833 U CN201320459833 U CN 201320459833U CN 203397188 U CN203397188 U CN 203397188U
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CN
China
Prior art keywords
control
nuclear power
power station
electrical control
extension
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Active
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CN201320459833.5U
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Chinese (zh)
Inventor
吴凤岐
沈辉
穆兆辉
贾晓峰
宋伟伟
林剑锋
徐宏伟
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China General Nuclear Power Corp
China Nuclear Power Technology Research Institute Co Ltd
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China General Nuclear Power Corp
China Nuclear Power Technology Research Institute Co Ltd
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Priority to CN201320459833.5U priority Critical patent/CN203397188U/en
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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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Abstract

The utility model discloses an underwater lamp electric control system for a nuclear power station. The underwater lamp electric control system comprises an electric control unit and a pool illuminating lamp. The electric control unit comprises a main loop breaker in connection with a power source. The electric control unit is used to control the pool illuminating lamp. The electric control unit also comprises an operating member and an extending member, wherein the operating member is connected with one end of the extending member to control the action of the extending member. The other end of the extending member is connected with the main loop breaker so as to control the on/off state of the main loop breaker. Compared with the prior art, due to the fact that the operating member and the main loop breaker are separated by the extending member, staffs can recover or cut off the system power only by operating the operating member to control the main loop breaker via the extending member, without the need of contact with a main loop transfer or a bare bus.

Description

Nuclear power station underwater lamp electric-control system
Technical field
The utility model relates to a kind of nuclear power station underwater lamp electric-control system, relates in particular to a kind of electric-control system about nuclear power plant reactor pond and Spent Fuel Pool underwater luminaire.
Background technology
Current domestic nuclear power underwater illuminating device electric-control system, mainly by reactor building underwater illuminating device electric-control system and spentnuclear fuel factory building underwater illuminating device electric-control system two parts, formed, its groundwork principle is, after on-site power being changed in the regulator cubicle of electric-control system, to export to the lighting of pond under water in reactor building and spentnuclear fuel factory building pond.
The GB16895.21-2004/IEC60364-4-41:2001 of requirement according to to(for) protection against direct contact: while protecting the parts of thing outside needs movement is blocked or opened: should meet following condition: use key or instrument, after maybe the power supply that blocks or protect the charged part that thing protects outward being disconnected; Restoring electricity can only be after closing and blocking or protect thing outward again.Yet existing nuclear power station underwater illuminating device electric-control system can not meet this requirement, when carrying out service work or needs recovery or parting system power supply, first need to open combined floodgate or the sub-switching operation that regulator cubicle door carries out isolating switch, and now, the exposed live part of main loop, as major loop transformer, exposed bus etc. are all positioned at human body can contact range, exist staff directly to contact the risk of electric shock.Therefore, need a kind of nuclear power station underwater illuminating device electric-control system addressing the above problem.
Utility model content
The purpose of this utility model is to provide a kind of nuclear power station underwater lamp electric-control system, and this nuclear power station underwater lamp electric-control system recovers staff or parting system when power supply, without contact major loop transformer, exposed bus.
For on realizing, there is object, the utility model discloses a kind of nuclear power station underwater lamp electric-control system, comprise ECU (Electrical Control Unit) and pond lighting, described ECU (Electrical Control Unit) is used for controlling described pond lighting, described ECU (Electrical Control Unit) comprises the major loop isolating switch being connected with power supply, and operating parts and extension device, described operating parts is connected with one end of described extension device and controls the action of described extension device, and the other end of described extension device is connected with described major loop isolating switch and controls the switching of described major loop isolating switch.Compared with prior art, the utility model comes operating parts and major loop breaker interval by an extension device, when staff recovers or parting system is powered, without contact major loop transformer, exposed bus, only need operating operation part to control described major loop isolating switch by described extension device.
Preferably, described extension device is extension rod.Certainly, described extension device can be also the driving member being comprised of several connecting rods.
Preferably, described nuclear power station underwater lamp electric-control system also comprises electrical control cubicles, described ECU (Electrical Control Unit) is installed in described electrical control cubicles, described extension device is installed in described electrical control cubicles, described operating parts is installed on the cabinet door of described electrical control cubicles, and described operating parts comprises and is revealed in operating portion outdoors of described cabinet and through the holding section of described cabinet door and described extension device engagement connection.
Particularly, described operating parts is operation knob, and certain described operating parts can be also the structures such as operating grip.More specifically, the front end of described extension device convexes with engaging post, offers with described and engage the connecting hole that post cooperatively interacts on described operating parts, engages post described in when cabinet door is closed and coordinates and stretch in described connecting hole.Certainly, described extension device is not limited to such scheme with the mode that engages of described operating parts, can also on described extension device, be provided with groove, described operating parts is provided with projection, so that groove engages extension device and operating parts with the concavo-convex cooperation of projection, can also on described extension device and operating parts, be provided with the engaging breach that cooperatively interacts, make the two engaging.
Particularly, described operation knob is provided with at least one padlock hole.More specifically, described padlock hole has three.Traditional nuclear power station underwater lighting electric control gear does not possess the rights management function to power operation, for example, in maintenance process, due to fuel pit light fixture from regulator cubicle away from, may there is the electric possibility of misdelivery, the risk that exists maintainer to get an electric shock, therefore the utility model increases locking function in electrical control cubicles, use the mechanical lock to pin described operation knob through described padlock hole, reduced the risk that maloperation brings to personnel and equipment.
Preferably, on described extension device, convex with boss, between described boss and described major loop isolating switch, buffer spring is also installed.
Preferably, described nuclear power station underwater lamp electric-control system also comprises electrical control cubicles, described ECU (Electrical Control Unit) is installed in described electrical control cubicles and comprises described major loop isolating switch, the major loop contactor being connected with described major loop isolating switch, the transformer being connected with described major loop contactor, the power supply terminal row who is connected with described transformer output terminal, and described power supply terminal row powers to described pond lighting.
Particularly, described power supply terminal row is combination through type terminal row, it comprises that electric power incoming line terminal row arranges with the corresponding several shunt terminal that are connected in several ends of incoming cables with described electric power incoming line terminal row, and described in each, shunt terminal package is drawn together insulation shell, is installed on several the walk abreast connection terminals that arrange and the bridgewares that are electrically connected to adjacent two connection terminals in described insulation shell.At present in nuclear power station underwater lamp control system, because having adopted busbar centralized power supply system and multiple transformers, major part carries out the rear diversified power supply system of power supply conversion, therefore regulator cubicle volume is excessive, assembly technology is complicated, manufacturing cost is higher, limited space in nuclear island of nuclear power station in addition, for the regulator cubicle in nuclear island, there is volume requirement, and the utility model is used several shunt terminal rows and bridgeware by busbar power source diverter out, adopt the logical terminal row dividing technology of Combined vertical to replace traditional busbar shunting, during work, electric current is shunted by the bridgeware of introducing a little, and electric current is shunted the connection terminal of the Gei Qi left and right sides successively by bridgeware, last electric current is by bridgeware and connection terminal separately, by bus leading to corresponding each lighting place, pond.Technique scheme can not only meet load rated capacity, and simple, saving space is installed, and equipment cost is lower.
More specifically, described plug-in bridgeware, described in each, connection terminal is provided with the jack that two described bridgewares of confession insert.More specifically, be provided with the mounting guide rail of bar shaped in described electrical control cubicles, described shunt terminal row's insulation shell engagement connection is on described erecting frame.
Preferably, described nuclear power station underwater lamp electric-control system also comprises earth leakage protective device, and described earth leakage protective device one end is connected with described power supply terminal row, and one end is connected with described pond lighting.
Preferably, described nuclear power station underwater lamp electric-control system also comprises rectifying power supply apparatus, dehydration monitoring and protecting device and temperature and humidity control device, and described rectifying power supply apparatus is converted to direct current so that described dehydration monitoring and protecting device and temperature and humidity control device are powered by alternating current, described dehydration monitoring and protecting device comprises water level detecting unit and the protected location being connected with described water level detecting unit, during described water level detecting unit inspection water level in water pool Bing pond lack of water, send pond dehydration signal, described protected location is opened according to pond lighting described in described pond dehydration signal-inhibiting, prevent from there is no chilled water and cause the too high light fixture that burns of pond lighting humiture, described temperature and humidity control device comprises humiture detecting unit and the control module being connected with described humiture detecting unit, described humiture detecting unit detects humiture in described electrical control cubicles with output humiture detection signal, described control module is controlled the fan that is arranged in electrical control cubicles and the keying of well heater according to described humiture detection signal, thereby carry out air draft cooling in to regulator cubicle when electrical control cubicles excess Temperature, when electrical control cubicles humidity is too high, regulator cubicle is carried out to heating and dehumidification.Wherein, described water level detecting unit can be liquid-level floater switch.
Particularly; described nuclear power station underwater lamp electric-control system also comprises alarm display apparatus; described warning indicator comprises alarm unit and display unit; described alarm unit is connected with described dehydration monitoring and protecting device and according to described pond dehydration signal alarm, described display unit detects protective device with described dehydration and is connected and shows described pond dehydration signal.Wherein, described alarm unit comprises hummer and/or pilot lamp.
Accompanying drawing explanation
Fig. 1 is the part-structure schematic diagram of nuclear power station underwater lamp electric-control system described in the utility model.
Fig. 2 is the connection diagram of operating parts described in the utility model and extension device.
Fig. 3 is power supply terminal row's described in the utility model structural representation.
Fig. 4 is the row's of shunt terminal described in Fig. 3 structural representation.
Fig. 5 is the structured flowchart of ECU (Electrical Control Unit) described in the utility model.
Fig. 6 is the part-structure block diagram of ECU (Electrical Control Unit) described in Fig. 5.
Embodiment
By describing technology contents of the present utility model, structural attitude in detail, being realized object and effect, below in conjunction with embodiment and coordinate accompanying drawing to be explained in detail.
With reference to figure 1 and Fig. 5, the utility model discloses a kind of nuclear power station underwater lamp electric-control system 100, comprise ECU (Electrical Control Unit) 11, pond lighting 12, described ECU (Electrical Control Unit) 11 is for controlling described pond lighting 12, it comprises the major loop isolating switch 21 being connected with power supply 15, and operating parts 13 and extension device 14, described operating parts 13 is connected with described extension device 14 one end and controls 14 actions of described extension device, and the other end of described extension device 14 is connected with described major loop isolating switch 21 and controls the switching of described major loop isolating switch 21.Compared with prior art, the utility model is spaced apart by operating parts 13 and major loop isolating switch 21 by an extension device 14, when staff recovers or parting system is powered, without contact major loop transformer 21, exposed bus, only need operating operation part to control described major loop isolating switch 21 by described extension device 14.Originally be in strength, described extension device 14 is extension rod, and certain described extension device 14 can be also the driving member being comprised of several connecting rods.
Continuation is with reference to figure 1, described nuclear power station underwater lamp electric-control system 100 also comprises electrical control cubicles 20, described ECU (Electrical Control Unit) 11 is installed in described electrical control cubicles 20, described main circuit breaker extension device 14 is installed in described electrical control cubicles 20, described operating parts 13 is installed on the cabinet door 201 of described electrical control cubicles 20, and described operating parts comprises the operating portion 31 being revealed in outside described cabinet door 201 and the holding section 32 of passing described cabinet door 201 and described extension device 14 engagement connections.Wherein, with reference to figure 2, described operating parts 13 is operation knob, and the front end of described extension device 14 convexes with engaging post 41, on described operating parts 13, offer with described and engage the connecting hole 33 that post 41 cooperatively interacts, engage post 41 described in when cabinet door is closed and coordinate and stretch in described connecting hole 33.Certainly, described extension device 14 is not limited to such scheme with the mode that engages of described operating parts 13, can also on described extension device 14, be provided with groove, described operating parts 13 is provided with projection, so that groove engages extension device 14 and operating parts 13 with the concavo-convex cooperation of projection, can also on described extension device 14 and operating parts 13, be provided with the engaging breach that cooperatively interacts, make the two engaging.
Preferably, with reference to figure 1 and Fig. 2, described operation knob 13 is provided with at least one padlock hole 34.More specifically, described padlock hole 34 has three, and the utility model increases locking function in electrical control cubicles 20, use mechanical lock to pin described operation knob 13 through described padlock hole 34, has reduced the risk that maloperation brings to personnel and equipment.
Preferably, with reference to figure 1, convexes with boss 42 on described extension device 14, between described boss 42 and described major loop isolating switch 21, buffer spring 16 is also installed.
With reference to figure 5, the power supply terminal row 24 that described ECU (Electrical Control Unit) also comprises the major loop contactor 22 being connected with described major loop isolating switch 21, the transformer 23 being connected with described major loop contactor 22, is connected with described transformer 23 output terminals except major loop contactor 21,12 power supplies of 24 pairs of described pond lightings of described power supply terminal row.Wherein, described transformer 23 is dry-type three-phase transformer.
With reference to figure 3, described power supply terminal row 24 is combination through type terminal row, it comprises that electric power incoming line terminal row 51 arranges 52 with the corresponding several shunt terminal that are connected of A phase input terminal, B phase input terminal, C phase input terminal, ground connection input terminal with described electric power incoming line terminal row 51, and described in each, shunt terminal row 52 comprises insulation shell 521, is installed on several the walk abreast connection terminals 522 that arrange and the bridgewares 523 that are electrically connected to adjacent two connection terminals 522 in described insulation shell 521.During work, electric current is shunted by the bridgeware 523 of introducing a little, and electric current is shunted the connection terminal 522 of the Gei Qi left and right sides successively by bridgeware 523, last electric current is by bridgeware 523 and connection terminal 522 separately, by bus leading to corresponding each lighting place, pond.Technique scheme can not only meet load rated capacity, and simple, saving space is installed, and equipment cost is lower.More specifically, described bridgeware 523 is plug-in bridgeware, and described in each, connection terminal 522 is provided with the jack 524 that two described bridgewares 523 of confession insert.More specifically, be provided with the erecting frame 202 of bar shaped in wherein said electrical control cubicles 20, described shunt terminal row's 52 insulation shell 521 engagement connections are on described erecting frame 202.
With reference to figure 5, described nuclear power station underwater lamp electric-control system also comprises earth leakage protective device 25, and described earth leakage protective device 25 one end are connected with described power supply terminal row 24, and one end is connected with described pond lighting 12.
Preferably, with reference to figure 5 and 6, described ECU (Electrical Control Unit) 11 also comprises rectifying power supply apparatus 26, dehydration monitoring and protecting device 27 and temperature and humidity control device 28, described rectifying power supply apparatus 26 one end are connected with described major loop isolating switch 21, the other end is connected with humiture detection control apparatus 28 with described dehydration monitoring and protecting device 27 respectively, described dehydration monitoring and protecting device 27 comprises water level detecting unit 271 and the protected location 272 being connected with described water level detecting unit 271, during described water level detecting unit inspection pond 17 water level Bing pond 17 lack of water, export pond dehydration signal, wherein, described water level detecting unit 271 can be liquid-level floater switch, described protected location 272 is opened according to described pond dehydration signal-inhibiting pond lighting 12, prevent from there is no chilled water and cause the too high light fixture that burns of pond lighting humiture, described temperature and humidity control device 28 comprises humiture detecting unit 281 and the control module 282 being connected with described humiture detecting unit 281, humiture in the described electrical control cubicles 17 of described humiture detecting unit 281 detection is with output humiture detection signal, described control module 282 is controlled the fan that is arranged in electrical control cubicles 17 and the keying of well heater according to described humiture detection signal, thereby when electrical control cubicles 17 excess Temperature, regulator cubicle 17 is carried out to air draft cooling, in electrical control cubicles 17 humidity, open well heater when too high so that electrical control cubicles heating dehumidifying.Wherein, described rectifying power supply apparatus 26, by 380V ac power supply, is exported 24V direct current after rectification.
Continuation is with reference to figure 5 and Fig. 6; described ECU (Electrical Control Unit) 11 also comprises alarm display apparatus 29; described warning indicator comprises alarm unit 291 and display unit 292; described alarm unit 291 is connected with described dehydration monitoring and protecting device 27 and at the described pond dehydration signal alarm of foundation, described display unit 292 is connected with described dehydration monitoring and protecting device 27 and shows described pond dehydration signal.Wherein, described alarm unit 291 comprises hummer and/or pilot lamp.
Referring to figs. 1 to Fig. 6, during the power supply of staff's parting system, take off the mechanical lock on padlock hole 34, rotate described operating parts 13, described operating parts 13 engages with described extension device 14 and controls described extension device 14 and move, thereby described extension device 14 is controlled described major loop isolating switch 21 disconnection parting system power supplies.During the power supply of staff's recovery system, close cabinet door 201, now the engaging post 41 of described extension device 14 stretches in the connecting hole 33 of described operating parts 13 so that described operating parts 13 engages with described extension device 14, rotate described operating parts 13, described operating parts 13 drives described extension device 14 to move, described extension device 14 is controlled described major loop isolating switch 21 conductings and is powered with recovery system, and staff uses mechanical lock to pass through padlock hole 34 and pins operating parts 13 with the rotation of restriction operating parts.After system restores electricity, electric current enters transformer 23 by the switch of major loop contactor 22, after transformer 23 conversions, enter power inleting terminal row 51, with after-current, by electric power incoming line terminal row 51, enter shunt terminal row 52 connection terminal 522, and shunted by bridgeware 523, so that electric current is shunted the connection terminal 522 of the Gei Qi left and right sides successively by bridgeware 523, last electric current is by bridgeware 523 and connection terminal 522 separately, by bus leading to corresponding each lighting place, pond.To sum up, the utility model is kept apart operating parts 13 and major loop isolating switch 21 by extension device 14, and while making staff recover to power with parting system, rotary manipulation part 13, without contact major loop transformer 21, exposed bus; On the other hand, operating parts described in the utility model is provided with padlock hole, makes staff after recovery system power supply, can use the action of mechanical lock restriction operating parts, to realize the key rights management function to power operation, reduces the possibility to power supply maloperation; Again on the one hand, the utility model adopts combination through type terminal row to shunt bus current, not only meets load rated capacity, and install simple, save space, equipment cost is lower.
Above disclosed is only preferred embodiment of the present utility model, certainly can not limit with this interest field of the utility model, and the equivalent variations of therefore doing according to the utility model claim, still belongs to the scope that the utility model is contained.

Claims (15)

1. a nuclear power station underwater lamp electric-control system, comprise ECU (Electrical Control Unit) and pond lighting, described ECU (Electrical Control Unit) comprises the major loop isolating switch being connected with power supply, and described ECU (Electrical Control Unit) is used for controlling described pond lighting, it is characterized in that, described ECU (Electrical Control Unit) also comprises operating parts and extension device, described operating parts is connected with one end of described extension device and controls the action of described extension device, and the other end of described extension device is connected with described major loop isolating switch and controls the switching of described major loop isolating switch.
2. nuclear power station underwater lamp electric-control system as claimed in claim 1, is characterized in that, described extension device is extension rod.
3. nuclear power station underwater lamp electric-control system as claimed in claim 1, it is characterized in that, also comprise electrical control cubicles, described ECU (Electrical Control Unit) is installed in described electrical control cubicles, described extension device is installed in described electrical control cubicles, described operating parts is installed on the cabinet door of described electrical control cubicles, and described operating parts comprises and is revealed in operating portion outdoors of described cabinet and through the holding section of described cabinet door and described extension device engagement connection.
4. nuclear power station underwater lamp electric-control system as claimed in claim 3, is characterized in that, described operating parts is operation knob.
5. nuclear power station underwater lamp electric-control system as claimed in claim 3, it is characterized in that, the front end of described extension device convexes with engaging post, offers with described and engage the connecting hole that post cooperatively interacts on described operating parts, engages post described in when cabinet door is closed and coordinates and stretch in described connecting hole.
6. nuclear power station underwater lamp electric-control system as claimed in claim 3, is characterized in that, described operation knob is provided with at least one padlock hole.
7. nuclear power station underwater lamp electric-control system as claimed in claim 6, is characterized in that, described padlock hole has three.
8. nuclear power station underwater lamp electric-control system as claimed in claim 1, is characterized in that, on described extension device, convexes with boss, between described boss and described major loop isolating switch, also conflicts and has buffer spring.
9. nuclear power station underwater lamp electric-control system as claimed in claim 1, it is characterized in that, also comprise electrical control cubicles, described ECU (Electrical Control Unit) is installed in described electrical control cubicles and comprises described major loop isolating switch, the major loop contactor being connected with described major loop isolating switch, the transformer being connected with described major loop contactor, the power supply terminal row who is connected with described transformer output terminal, and described power supply terminal row powers to described pond lighting.
10. nuclear power station underwater lamp electric-control system as claimed in claim 9, it is characterized in that, described power supply terminal row is combination through type terminal row, it comprises that electric power incoming line terminal row arranges with the corresponding several shunt terminal that are connected in several ends of incoming cables with described electric power incoming line terminal row, and described in each, shunt terminal package is drawn together insulation shell, is installed on several the walk abreast connection terminals that arrange and the bridgewares that are electrically connected to adjacent two connection terminals in described insulation shell.
11. nuclear power station underwater lamp electric-control systems as claimed in claim 10, is characterized in that, described bridgeware is plug-in bridgeware, and described in each, connection terminal is provided with the jack that two described bridgewares of confession insert.
12. nuclear power station underwater lamp electric-control systems as claimed in claim 10, is characterized in that, also comprise electrical control cubicles, are provided with the erecting frame of bar shaped in described electrical control cubicles, and described shunt terminal row's insulation shell engagement connection is on described erecting frame.
13. nuclear power station underwater lamp electric-control systems as claimed in claim 9, is characterized in that, also comprise earth leakage protective device, and described earth leakage protective device one end is connected with described power supply terminal row, and one end is connected with described pond lighting.
14. nuclear power station underwater lamp electric-control systems as claimed in claim 9, it is characterized in that, also comprise rectifying power supply apparatus, dehydration monitoring and protecting device and temperature and humidity control device, described rectifying power supply apparatus is converted to direct current so that described dehydration monitoring and protecting device and temperature and humidity control device are powered by alternating current, described dehydration monitoring and protecting device comprises water level detecting unit and the protected location being connected with described water level detecting unit, during described water level detecting unit inspection water level in water pool Bing pond lack of water, send pond dehydration signal, described protected location is opened according to pond lighting described in described pond dehydration signal-inhibiting, described temperature and humidity control device comprises humiture detecting unit and the control module being connected with described humiture detecting unit, described humiture detecting unit detects humiture in described electrical control cubicles with output humiture detection signal, described control module is controlled the fan that is arranged in electrical control cubicles and the keying of well heater according to described humiture detection signal.
15. nuclear power station underwater lamp electric-control systems as claimed in claim 14; it is characterized in that; also comprise alarm display apparatus; described warning indicator comprises alarm unit and display unit; described alarm unit is connected with described dehydration monitoring and protecting device and according to described pond dehydration signal alarm, described display unit is connected with described dehydration monitoring and protecting device and shows described pond dehydration signal.
CN201320459833.5U 2013-07-30 2013-07-30 Underwater lamp electric control system for nuclear power station Active CN203397188U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103412532A (en) * 2013-07-30 2013-11-27 中科华核电技术研究院有限公司 Nuclear power plant underlight electronic control system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103412532A (en) * 2013-07-30 2013-11-27 中科华核电技术研究院有限公司 Nuclear power plant underlight electronic control system
CN103412532B (en) * 2013-07-30 2016-08-24 中广核研究院有限公司 Nuclear power plant underlight electronic control system

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CP01 Change in the name or title of a patent holder

Address after: 518000 Guangdong province Futian District Shangbu Road West of the city of Shenzhen Shenzhen science and technology building 15 layer (1502-1504, 1506)

Patentee after: CHINA NUCLEAR POWER TECHNOLOGY RESEARCH INSTITUTE

Patentee after: China General Nuclear Power Corporation

Address before: 518000 Guangdong province Futian District Shangbu Road West of the city of Shenzhen Shenzhen science and technology building 15 layer (1502-1504, 1506)

Patentee before: Zhongkehua Nuclear Power Technology Institute Co., Ltd.

Patentee before: China General Nuclear Power Corporation

C56 Change in the name or address of the patentee