CN105262978A - Improved irradiation-resistant closed circuit television monitoring system - Google Patents
Improved irradiation-resistant closed circuit television monitoring system Download PDFInfo
- Publication number
- CN105262978A CN105262978A CN201410226457.4A CN201410226457A CN105262978A CN 105262978 A CN105262978 A CN 105262978A CN 201410226457 A CN201410226457 A CN 201410226457A CN 105262978 A CN105262978 A CN 105262978A
- Authority
- CN
- China
- Prior art keywords
- video
- video camera
- irradiation
- cameras
- matrix
- 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.)
- Pending
Links
Abstract
The invention relates to the technical field of nuclear power station closed circuit television monitoring systems, and specifically discloses an improved irradiation-resistant closed circuit television monitoring system. The system comprises a display, a video matrix, a plurality of cameras, a switching follower and a relay control box, wherein the video matrix is connected with the relay control box through the switching follower; the relay control box is connected with respective independent power supplies of the plurality of cameras respectively; and the plurality of cameras are connected with the video matrix in order that video signals transmitted by the cameras are displayed on the display which is connected with the video matrix through the video matrix. According to the system, independent power supply control is implemented on irradiation-resistant cameras, so that the functions of conventional cameras are not influenced while the irradiation-resistant cameras are effectively protected. Through adoption of the system, the service lives of the irradiation-resistant cameras can be prolonged to two refueling cycles or more; subsequent investments of a user are reduced; investment benefits are increased; and the later-stage maintenance workload is lowered.
Description
Technical field
The invention belongs to nuclear power station close-circuit television,closed-circuft televishon technical field, be specifically related to a kind of modified model close-circuit television,closed-circuft televishon of resistance to irradiation.
Background technology
Since independently investing to build First nuclear power station-Qinshan nuclear power plant from China, the power station heap-type invested to build in China mainly contains: CNP300, CNP650, CRP1000, M310 add improvement, EPR, AP1000, and Russian AES-91, Canadian CANDU6 etc.
Above-mentioned various heap shape has the design of its uniqueness, and mill construction, main equipment and auxiliary equipment have certain difference, but substantially can be different with degree of danger according to safety requirements, in each power station, be divided into multiple region.During reactor operation, staff is difficult to enter these high-risk or in check region, therefore needs a set of electric video image acquisition system in nuclear power station, in order to alternative staff supervision in factory.
When there is the condition of a disaster alarm in nuclear power station run duration; the key area personnel such as reactor building are difficult to arrive; staff can only rely on in-line meter to judge, and rule of thumb selects to maintain to run, or reduces power or take other emergency plans such as shutdown.The closed-circuit TV system of resistance to irradiation then can be used as the eyes of staff, and remote reviewing is on-the-spot, examines the condition of a disaster.
Stricti jurise is said, at the beginning of design, the major function of the industrial tv monitoring system of resistance to irradiation is the ruuning situation checked fire the condition of a disaster, observe key position key area key equipment.And the industrial tv monitoring system of resistance to irradiation is only a safe procuratorial work auxiliary system of several radiation areas few in number in nuclear island being carried out to TV monitoring and controlling at first.
Along with the development of industrial television technology, the new nuclear power station built has gradually adopted more novel technology.The closed-circuit TV system of resistance to irradiation that original function is single also develops into full factory closed-circuit TV system gradually, and it not only can be used as checking of fire alarm, more adds the effect such as Daily Round Check, gateway monitoring, instrument checks, equipment working condition inspection.
Not only need in system to use the video camera of resistance to irradiation, also need to access that indoor and outdoor is fixed, The Cloud Terrace zoom, under water, all kinds such as explosion-proof, resistant to elevated temperatures are applied to video camera under various occasion.For now, the monitoring range of full factory closed-circuit TV system extends to multiple factory building, includes: reactor building (between cooling medium pump, between neutron flux, fuel manipulator crane pond, reactor platform etc.), nuclear auxiliary building (above fill between pump, DVN exhaust blower, ASG pump, access lock etc.), steam turbine factory building, pump house, active and standby change, diesel engine factory building etc.
In this case, video matrix becomes the first-selection of the central apparatus of hybrid system.Certainly, if to time delay do not have too rigors when, network video technique is also suitable selection.
Although full factory closed-circuit television system is a set of non-safety-related system, it does not have direct relation with production yet, and it remains a set of important security tool in nuclear power station.
Historical events shows, when exception or the condition of a disaster occur, processes and judges the means that accident is best or closed-circuit television.So as system designer and supplier; we not only will consider that whole system can be competent at demand when nuclear power station normally runs; when more needing to consider that exception or the condition of a disaster occur, the video camera of resistance to irradiation can tolerate more adverse circumstances; that adheres under abnormal environment is more of a specified duration, for policymaker strives for the more time.
So, when we choose the video camera of resistance to irradiation, be often primary performance assessment criteria with its radiation-resistant property.
In nuclear island, there is the gamma ray of higher-strength in a lot of region, and irradiation level exponentially level increase especially under disaster scenarios it, be improve the reliability of nuclear power station in disaster, the video camera used in nuclear island is required must to bear 10
3-4the ionizing radiation agent dose rate of Gy/H, and tolerance 10 can be accumulated
5-6gy accumulated dose.
Above-mentioned irradiation behaviour requirement can be met, just only have electron image tube video camera.And although vidicon camera can bear high ionising radiation, its complex structure, restricted lifetime and need exactissima diligentia maintenance.
Due to imageing sensor-" electron image tube " of vidicon camera and the life-span of halogen lamp all shorter; often only has the working life of thousands of hours; if effectively do not manage camera tube and light fixture and protect, we just cannot ensure that nuclear power station full factory closed-circuit TV system can continue working healthily within the whole refulling cycle (about 18 months).Therefore, vidicon camera is all limited because of life problems to use for a long time.
Within the significant period of time of last century to the beginning of this century, resistance to irradiation camera chain is independently equipment, just be energized when needs are checked in fire alarm or observing response heap unlatching, and the main purpose of full factory closed-circuit TV system within 24 hours, monitors power station function situation, this causes being difficult to perfect fusion between them.
Abroad comprise on Daya Bay nuclear power plant, the M310 reactor of ridge Australia first phase nuclear power station, Qinshan Phase II NPP three phase CANDU6 reactor at the closed-circuit TV system of China's design-build, designer adopts digital output modul headend equipment, directly to be powered actuated camera work by rear end.The task of this design is single, only needs the action and the switch that control the video camera of resistance to irradiation, and the abundant function of current matrix switch system and interface it does not possess.
Although this out-of-date closed-circuit television system is for the video camera of resistance to irradiation is customized, he has obviously been incompatible with the epoch.Operator is accustomed to managing headend equipment by the code signal of RS485 bus already, the fully disposal ability of utilization large scale integrated circuit, the work such as layout shooting is patrolled and examined, timing video recording, dynamic monitoring, administrator right distribution, even image intelligent analysis.
Summary of the invention
The object of the present invention is to provide a kind of modified model close-circuit television,closed-circuft televishon of resistance to irradiation, both can effectively protect corrosion resistant according to video camera, have and can carry out intelligent management to corrosion resistant according to video camera by closed-circuit TV system.
Technical scheme of the present invention is as follows: a kind of modified model close-circuit television,closed-circuft televishon of resistance to irradiation, comprise display, video matrix and several video cameras, this system also comprises switching follower and Control case, wherein, video matrix is connected with Control case by switching follower, and Control case is connected with the respective independent current source of several video cameras respectively, several video cameras are connected with video matrix, and the vision signal that these video cameras are sent is presented at by video matrix on the display that is connected with video matrix.
Described switching follower provides multiple addressable relay, it matches with video matrix, make video matrix by certain camera switching to display time, be assigned to the program activation of this video camera, and the instruction that this ring current controls is sent to Control case, and the management of this road camera power supply is controlled by Control case, realize the unlatching to this road video camera, closedown and time-delay closing function.
Described surveillance comprises video camera A and video camera B, wherein, Control case controls power supply A with video camera A with the respective independence of video camera B respectively and is connected with power supply B, video camera A is connected with video matrix with video camera B, and the vision signal A respectively video camera A and video camera B sent and vision signal B, be presented on the display be connected with video matrix by video matrix.
Described video camera is the video camera of resistance to irradiation.
Described video camera is electric vacuum tube video camera.
Remarkable result of the present invention is: conventional DRAM and electric vacuum tube video camera can be treated with a certain discrimination by a kind of modified model close-circuit television,closed-circuft televishon of resistance to irradiation of the present invention, conventional DRAM still adopts the supply power mode of general CCTV system, therefore can open all the time, and independently Energy control is carried out to the video camera of resistance to irradiation, can ensure that the function of conventional DRAM is not affected like this, the available protecting and the video camera of resistance to irradiation has been got back; Meanwhile, independently Energy control is carried out to the video camera of resistance to irradiation, system can be made to be quit work by the equipment of original restricted lifetime after a loss of power, therefore extend the working life of system, decrease expensive device and component deterioration, bring higher economic worth.The military service phase of the video camera of resistance to irradiation can be risen to two refulling cycles or more of a specified duration by the modified model close-circuit television,closed-circuft televishon of resistance to irradiation of the present invention, can reduce the follow-up input of user, increase returns of investment, reduce the workload of later maintenance.
Accompanying drawing explanation
Fig. 1 is a kind of modified model close-circuit television,closed-circuft televishon of resistance to irradiation block diagram of the present invention;
In figure: 1, display; 2, video matrix; 3, follower is switched; 4, Control case; 5, power supply A; 6, video camera A; 7, power supply B; 8, video camera B.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
As shown in Figure 1, a kind of modified model close-circuit television,closed-circuft televishon of resistance to irradiation, comprise display 1, video matrix 2, switch follower 3 and Control case 4, wherein, video matrix 2 controls power supply A5 with video camera A6 with the respective independence of video camera B8 respectively by switching follower 3 and Control case 4 and is connected with power supply B7, video camera A6 is connected with video matrix 2 with video camera B8, and the vision signal A respectively video camera A6 and video camera B8 sent and vision signal B, be presented at by video matrix 2 on the display 1 be connected with video matrix 2, wherein, switch follower 3 to match with video matrix 2, it can provide multiple addressable relay, when video matrix 2 by certain camera switching to display 1 time, be assigned to the program activation of this video camera, and the instruction that this ring current controls is sent to Control case 4, and control the management of this road corrosion resistant according to camera power supply by Control case 4, realize the unlatching to this road video camera, the controlling functions such as closedown and time-delay closing.
The specific works process of a kind of modified model close-circuit television,closed-circuft televishon of resistance to irradiation of the present invention is: video matrix 2 chooses video camera A6, and utilize switching follower 3 control relay control cabinet 4, control power supply A5 to open, and the picture signal of video camera A6 is sent to display 1; When video matrix 2 chooses video camera B8, utilize and switch follower 3 control relay control cabinet 4, control power supply B7 and open, and the picture signal of powered-down A5, video camera B8 is sent to display 1; When video matrix 2 selectes the preview screen of multiple-camera, power supply A5 and power supply B7 opens simultaneously, realizes the preview to multiple camera review information; When video matrix chooses video camera A6 or video camera B8, or after selected preview screen operates a period of time, power supply A5 and power supply B7 closes, and realizes closing video camera A6 and video camera B8 simultaneously; Can control to switch enforced opening or the positive closing that follower 3 realizes whole camera power supply.
Claims (5)
1. the modified model close-circuit television,closed-circuft televishon of resistance to irradiation, comprise display (1), video matrix (2) and several video cameras, it is characterized in that: this system also comprises switching follower (3) and Control case (4), wherein, video matrix (2) is connected with Control case (4) by switching follower (3), and Control case (4) is connected with the respective independent current source of several video cameras respectively, several video cameras are connected with video matrix (2), the vision signal that these video cameras are sent is presented at by video matrix (2) on the display (1) that is connected with video matrix (2).
2. a kind of modified model close-circuit television,closed-circuft televishon of resistance to irradiation according to claim 1, it is characterized in that: described switching follower (3) provides multiple addressable relay, it matches with video matrix (2), when making video matrix (2) that certain camera switching is upper to display (1), be assigned to the program activation of this video camera, and the instruction that this ring current controls is sent to Control case (4), and the management of this road camera power supply is controlled by Control case (4), realize the unlatching to this road video camera, close and time-delay closing function.
3. a kind of modified model close-circuit television,closed-circuft televishon of resistance to irradiation according to claim 1, it is characterized in that: described surveillance comprises video camera A (6) and video camera B (8), wherein, Control case (4) controls power supply A (5) with video camera A (6) with the respective independence of video camera B (8) respectively and is connected with power supply B (7), video camera A (6) is connected with video matrix (2) with video camera B (8), and the vision signal A respectively video camera A (6) and video camera B (8) sent and vision signal B, be presented on the display (1) be connected with video matrix (2) by video matrix (2).
4. any one modified model close-circuit television,closed-circuft televishon of resistance to irradiation according to claims 1 to 3, is characterized in that: described video camera is the video camera of resistance to irradiation.
5. the according to claim 4 kind of modified model close-circuit television,closed-circuft televishon of resistance to irradiation, is characterized in that: described video camera is electric vacuum tube video camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410226457.4A CN105262978A (en) | 2014-05-27 | 2014-05-27 | Improved irradiation-resistant closed circuit television monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410226457.4A CN105262978A (en) | 2014-05-27 | 2014-05-27 | Improved irradiation-resistant closed circuit television monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105262978A true CN105262978A (en) | 2016-01-20 |
Family
ID=55102465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410226457.4A Pending CN105262978A (en) | 2014-05-27 | 2014-05-27 | Improved irradiation-resistant closed circuit television monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105262978A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101005610A (en) * | 2006-10-13 | 2007-07-25 | 萧萍 | Long-range digital monitor system for transformer station |
| CN101527825A (en) * | 2009-04-14 | 2009-09-09 | 郭松 | Monitoring system |
| CN201830378U (en) * | 2010-05-26 | 2011-05-11 | 张雷 | Co-cable transmission equipment of security monitoring system |
| CN202488850U (en) * | 2012-03-28 | 2012-10-10 | 黑龙江电通自动化有限公司 | Device for controlling switching of lighting modes by using voices |
| CN103488140A (en) * | 2013-09-06 | 2014-01-01 | 华中科技大学 | On-line touring system of power transmission line |
| CN203522890U (en) * | 2013-09-18 | 2014-04-02 | 浙江中烟工业有限责任公司 | Power unit for multi-channel video surveillance equipment |
-
2014
- 2014-05-27 CN CN201410226457.4A patent/CN105262978A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101005610A (en) * | 2006-10-13 | 2007-07-25 | 萧萍 | Long-range digital monitor system for transformer station |
| CN101527825A (en) * | 2009-04-14 | 2009-09-09 | 郭松 | Monitoring system |
| CN201830378U (en) * | 2010-05-26 | 2011-05-11 | 张雷 | Co-cable transmission equipment of security monitoring system |
| CN202488850U (en) * | 2012-03-28 | 2012-10-10 | 黑龙江电通自动化有限公司 | Device for controlling switching of lighting modes by using voices |
| CN103488140A (en) * | 2013-09-06 | 2014-01-01 | 华中科技大学 | On-line touring system of power transmission line |
| CN203522890U (en) * | 2013-09-18 | 2014-04-02 | 浙江中烟工业有限责任公司 | Power unit for multi-channel video surveillance equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103441571A (en) | Integrated monitoring system information platform for transformer substation | |
| CN103812217A (en) | Method and system for intelligent centralized monitoring and management of photovoltaic power station | |
| CN102778874A (en) | Joint optimization regulation system for cascade hydropower stations | |
| CN109149765A (en) | A kind of unattended method of distributed busbar protection | |
| CN106097615A (en) | Unmanned pump house is anti-probably remotely monitors linked system | |
| CN105868940A (en) | Grid fault information issuing and processing system | |
| CN109038832A (en) | Substation's auxiliary monitoring system based on micro services framework | |
| CN205899721U (en) | Terrific remote monitoring linked system is prevented to unmanned on duty pump house | |
| CN109240245A (en) | A kind of nuclear power unit complex control system Digitallized system framework | |
| CN108375962A (en) | Offshore boosting station patrols control system | |
| CN112665732A (en) | Temperature early warning method for power plant outgoing line equipment | |
| CN101917061A (en) | Automatic inspection method and device for substation | |
| CN105225288A (en) | A kind of pipe network cruising inspection system | |
| CN109257417A (en) | Boiler in hospital security stereo monitors cloud platform, system and method | |
| CN208655003U (en) | A kind of comprehensive alarm system of field cultural relic protection | |
| US11599812B2 (en) | Condition determination system, condition determination method, decision-making support system, computer program, and storage medium | |
| CN207558148U (en) | A kind of wind turbine video security protection alarm system of low bandwidth model | |
| CN108390457A (en) | A kind of intelligent electric power Synthesis Support System | |
| CN204515470U (en) | The long-range gate control system of sun power | |
| CN209145942U (en) | A kind of quo of local Fan for Mine three-level intelligence joint control system | |
| CN202711028U (en) | Cascade hydropower station group combined optimization regulating and controlling system | |
| CN105262978A (en) | Improved irradiation-resistant closed circuit television monitoring system | |
| CA2870862C (en) | Control room for nuclear power plant | |
| CN109404321A (en) | Quo of local Fan for Mine three-level intelligence joint control system | |
| CN107820042A (en) | A kind of nuclear power plant group heap Visualized Monitoring System |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160120 |