CN201464882U - Intelligent control unit with anti-error-locking function - Google Patents
Intelligent control unit with anti-error-locking function Download PDFInfo
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- CN201464882U CN201464882U CN2009200978733U CN200920097873U CN201464882U CN 201464882 U CN201464882 U CN 201464882U CN 2009200978733 U CN2009200978733 U CN 2009200978733U CN 200920097873 U CN200920097873 U CN 200920097873U CN 201464882 U CN201464882 U CN 201464882U
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- 238000013461 design Methods 0.000 abstract description 2
- 239000013307 optical fiber Substances 0.000 abstract 2
- 230000000903 blocking effect Effects 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 6
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Abstract
The utility model relates to an intelligent control unit with an anti-error-locking function, which is formed by connecting a microprocessor, a programmable logic unit, optical fibre Ethernet modules, a photocoupler and an outlet relay module, wherein two optical fibre Ethernet modules which are connected with the microprocessor are connected to a process level network and are communicated with a measure and control device, the programmable logic unit which is connected with the microprocessor is respectively connected with the photocoupler and the outlet relay module, the input end of the photocoupler is connected with a switch device, the output end of the outlet relay module is respectively connected with a locking outlet return circuit, a remote control outlet return circuit and a protecting tripping return circuit, and an anti-error-locking joint control board is arranged in the locking outlet return circuit. The unit has reasonable design, realizes the complete synchronous logic between on-site operation and remote control operation, and has the characteristics that the anti-error-locking function is safe and reliable, and the operation and the control are convenient.
Description
Technical field
The utility model belongs to automation of transformation substations control field, especially a kind of intelligent control unit with anti mis-closedown function.
Background technology
At present, the digital transformer substation that is standardized as principal character with primary equipment intellectuality, secondary device networking, communications platform has been represented the direction of transformer station's development from now on.The primary equipment intellectuality is presented as the electric mutual inductor and the intelligent switch of band numeral output; The secondary device networking be embodied in secondary device to last and to following contact all by network service; The communications platform standardization embodies and is the IEC61850 standard.Digital transformer substation automated system based on the IEC61850 standard comprises station level equipment, bay device and process layer equipment, connects the employing ethernet communication by two-tier network between the three-layer equipment.GOOSE be IEC61850 for satisfying quick dependable communications transmission requirements in the transformer station (especially trip signal), a kind of mechanism of rapid message has been proposed.The GOOSE network is the process layer interface of intelligent switch and the network between the bay device, and its data content is opening into leaving data between intelligent switch and the bay device and between the bay device.
Transformer station's anti-misoperation is the key problem that guarantees that substation safety is produced, and influences the substation safety operation in order to prevent maloperation, is provided with anti-error locking system to prevent that mistake from dividing, mistake is closed isolating switch in automation of transformation substations control system; Prevent that on-load from drawing, closing disconnector; Prevent charged (extension) splice grafting ground wire (switch); Prevent to be with ground wire (switch) to close disconnector; Prevent mistakenly entering charged chamber.Existing anti-error locking system is normally installed embedded anti-misoperation locking logical block at monitor workstation and measure and control device, and can gather and stride interval information and carry out anti-false judgment, but, intelligent control unit in the process layer does not have anti mis-closedown function, therefore, when the intelligent control unit to the process layer carries out local operation, can't realize anti mis-closedown function.
Summary of the invention
Be to overcome the deficiencies in the prior art, the intelligent control unit of propose a kind of dependable performance, being convenient to operate and control with anti mis-closedown function order of the present utility model.
The utility model solves its technical matters and takes following technical scheme to realize:
A kind of intelligent control unit with anti mis-closedown function; by microprocessor; programmable logic cells; the fiber optic Ethernet module; photoelectrical coupler; the exit relay module connects and composes; two fiber optic Ethernet modules that are connected with microprocessor are connected on the process layer network and communicate with measure and control device; the programmable logic cells that is connected with microprocessor respectively with photoelectrical coupler; the exit relay module is connected; the input end of photoelectrical coupler is connected with switchgear; exit relay module output terminal respectively with the locking outlet loop; the remote control outlet loop; the protection trip(ping) circuit is connected, and the locking outlet loop is built-in with anti-misoperation locking contact control panel.
And, described anti-misoperation locking contact control panel is by switching controls handgrip (SK), contact (YK) is left in remote control, close the branch operator (HA/FA), interlocking contact (LS) and release contact (JS) connect and compose, two output terminals of switching controls handgrip (SK) are left contact (YK) with remote control respectively, closing the branch operator is connected (HA/FA), two output terminals that contact (YK) is left in remote control are connected with combined floodgate control end and separating brake control end respectively, close the branch operator two output terminals of (HA/FA) respectively with 2 distich interlocking points (LS), release contact (JS) is connected, interlocking contact (LS), release contact (JS) is connected with combined floodgate control end and separating brake control end respectively.
And what described microprocessor adopted is the MPC8313 chip, and what described programmable logic cells adopted is the EPL3128 chip, and what described fiber optic Ethernet module adopted is the HFBR5961 module.
Advantage of the present utility model and good effect are:
1, this intelligent control unit is equipped with the anti-misoperation locking contact control panel that can carry out online anti-error differentiation, carry out the switching of straighforward operation and local operation by the switching controls handgrip on this control panel, realized the complete logical synchronization of local operation and straighforward operation.
2, this intelligent control unit can link together with background monitoring workstation that is built-in with the anti-misoperation locking logical block and measure and control device and constitute online three-layer synchronous anti-error locking system, the anti-misoperation locking logical block is synchronous in anti-misoperation locking logical block in the realization measure and control device and the station level equipment, has reached the effect of three layers of anti-misoperation locking logical synchronization.
3, the utility model is reasonable in design, has realized the complete logical synchronization of local operation and straighforward operation, have anti mis-closedown function safe and reliable, be convenient to the characteristics operating and control.
Description of drawings
Fig. 1 is a circuit frame principle figure of the present utility model;
Fig. 2 is the connection diagram of online three-layer synchronous anti-error locking system;
Fig. 3 is the logical diagram of anti-misoperation locking contact control panel.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment is further described.
A kind of intelligent control unit with anti mis-closedown function; as shown in Figure 1, constitute by microprocessor, programmable logic cells, fiber optic Ethernet module, photoelectrical coupler, exit relay module, locking outlet loop, remote control outlet loop, protection trip(ping) circuit.In the present embodiment, what microprocessor adopted is the MPC8313 chip, and what programmable logic cells adopted is the EPL3128 chip, and what the fiber optic Ethernet module adopted is the HFBR5961 module.Two fiber optic Ethernet modules that are connected with microprocessor are connected on the process layer network and communicate with measure and control device; the programmable logic cells that is connected with microprocessor is connected with photoelectrical coupler, exit relay module respectively; the input end of photoelectrical coupler is connected with switchgear; exit relay module output terminal is connected with locking outlet loop, remote control outlet loop, protection trip(ping) circuit respectively, and the locking outlet loop is built-in with anti-misoperation locking contact control panel.
Anti-misoperation locking contact control panel in this intelligent control unit is left contact (YK), is closed the branch operator (HA/FA), interlocking contact (LS) and release contact (JS) are connected and composed by switching controls handgrip (SK), remote control, as shown in Figure 3. two output terminals of switching controls handgrip (SK) leave contact (YK) with remote control respectively, close the branch operator is connected (HA/FA), two docking points that 1. 2. and 5. 6. switch handgrip among the figure for this, when the SK handgrip places a distant place, contact is 1. 2. for connecting, by long-range realization anti-misoperation locking control; When the SK handgrip placed on the spot, 6. 5. contact connected, by realizing anti-misoperation locking control on the spot; Remote control is left contact (YK) and is left contact for the intelligent control unit remote control, needs just can issue remote control and make intelligent control unit after measure and control device anti-misoperation locking logic determines, and two output terminal is connected with combined floodgate control end and separating brake control end respectively; Closing the branch operator is (HA/FA) the local operation handgrip, two output terminal respectively with 2 distich interlocking points (LS), release contact (JS) is connected, interlocking contact (LS), release contact (JS) is connected with combined floodgate control end and separating brake control end respectively, interlocking contact (LS) is controlled by the real-time anti-misoperation locking logic determines of observing and controlling result, be implemented in line traffic control connection blocking, release contact (JS) is when being in release, control loop is connected and forced to connect to this contact, realize the emergency release operation of local operation. this anti-misoperation locking contact control panel is built in the locking outlet loop, the result of locking outlet loop action is interlocking contact (LS) closure of intelligent control unit, promptly when five anti-rules are judged five anti-remote control permissions in measure and control device after, information is sent intelligent control unit, behind the intelligent control unit resolving information, control exit relay contact (LS) closure of will interlocking.
The intelligent control unit that will have anti mis-closedown function is connected to and constitutes online three-layer synchronous anti-error locking system in the anti-error locking system, as shown in Figure 2, constitute by two-tier network layer and three-layer equipment layer, station level equipment comprises the background monitoring workstation, remote station, bay device mainly comprises measure and control device, process layer equipment mainly comprises the intelligent control unit with anti mis-closedown function, station level equipment, bay device and process layer equipment link together by station level network and process layer network, wherein, the background monitoring workstation, remote station is connected on the station level network, measure and control device is connected on station level network and the process layer network simultaneously, and the intelligent control unit with anti mis-closedown function is connected on the process layer network.All be built-in with the anti-misoperation locking logical block at background monitoring workstation and measure and control device, the anti-misoperation locking decision logic that provides according to the anti-misoperation locking logical block carries out anti-error control; Measure and control device by the station level network be connected with background monitoring workstation, remote station anti-misoperation locking logical block in anti-misoperation locking logical block and the station level equipment in the measure and control device realized synchronously, measure and control device control has the control function of the anti-misoperation locking contact control panel realization anti-misoperation locking in the intelligent control unit of anti mis-closedown function.
Online three-layer synchronous anti-error locking system has been realized station level, wall, three layers of full station of process layer synchronous anti-error blocking function, and three layers of anti-misoperation locking are each other by station level network and process layer network transmission locking information.Ground floor is that station level is anti-error, realize by background monitoring, embed full station anti-misoperation locking logical block in the backstage, this logical block and wall anti-misoperation locking logical block are synchronous automatically, the anti-error function in backstage is carried out anti-error differentiation by five anti-simulation preview operations, simulation preview by after can operate, after the simulation preview is all judged by real-time anti-misoperation locking logic rules and is correct, could transfer practical operation to from simulated operation, thereby realize that station level is anti-error, this implementation meets operations staff's operating habit.The second layer is that wall is anti-error, full station anti-misoperation locking logical block embeds measure and control device, stride switch tool positional information at interval by measure and control device by the collection of GOOSE interactive information, obtain anti-error required real-time information, realize full station interlocking, measure and control device embeds the anti-misoperation locking logical block, and wall is anti-error, and to be totally independent of the station control anti-error, and real-time judge institute control operation point joins blocking.The 3rd layer of process layer is anti-error, the process layer can receive the remote control order to carry out straighforward operation or carries out manual mode operation on the spot, during straighforward operation, intelligent control unit receives the remote control order back (this control order is the GOOSE message format) of measure and control device, realizes straighforward operation by the contact of leaving of I/O plate; During local operation, the connection blocking information of operand is provided by interval anti-misoperation locking logic determines result, control the interlocking contact (LS) of intelligent control unit in real time, this contact seals in the control loop of each operand, only when the anti-misoperation locking logical condition of this object all satisfies, this interlocking contact (LS) closure, the local operation loop is connected, and realizes the pressure anti-misoperation locking of manual mode operation on the spot.
The operation control of online three-layer synchronous anti-error locking system comprises following three kinds of modes:
1. the scheduling or the remote operation of centralized control center (control is in scheduling or centralized control center)
Send out the control order by telecontrol channel and give remote station in the station scheduling or centralized control center, remote station will be controlled order and be transmitted to corresponding measure and control device, measure and control device carries out reference mark connection blocking judgement after receiving the control order: if state is a released state, then will control order and be handed down to intelligent control unit, realize distant place control primary equipment; State is locking, and measure and control device forbids issuing this control order, thereby realizes the anti-misoperation locking to scheduling or the control of a distant place, centralized control center.
2. monitor backstage remote operation (control is at the station end)
Monitor workstation is simulated preview by operation order, each step of simulation preview is all carried out the real-time verification of anti-misoperation locking logical block, the anti-misoperation locking logical block of this logical block and measure and control device is synchronous automatically, after the simulation preview is passed through, carry out remote operation at monitor workstation, the remote control order is issued to measure and control device, measure and control device carries out reference mark connection blocking judgement after receiving the control order: if state is a released state, then will control order and be handed down to intelligent control unit, realize distant place control primary equipment; If state is locking, measure and control device forbids issuing this control order, thereby realizes the anti-misoperation locking of monitor workstation remote operation.
3. local operation
Local operation is meant the operation of carrying out at intelligent control unit, the local operation control loop has sealed in the interlocking contact (LS) of intelligent control unit, this interlocking contact (LS) is subjected to the control of measure and control device connection blocking, during this control point release, this interlocking contact (LS) is connected, otherwise this contact is opened, and has disconnected control loop, thereby has realized the anti-misoperation locking of local operation.Local operation also provides " release " operator handle in emergency circumstances, and " release " when handgrip was got to released state, contact (LS) short circuit of will interlocking forced to connect control loop, realized the emergency release operation of local operation.
It is emphasized that; embodiment described in the utility model is illustrative; rather than it is determinate; therefore the utility model is not limited to the embodiment described in the embodiment; every by those skilled in the art according to other embodiments that the technical solution of the utility model draws, belong to the scope of the utility model protection equally.
Claims (3)
1. intelligent control unit with anti mis-closedown function; it is characterized in that: by microprocessor; programmable logic cells; the fiber optic Ethernet module; photoelectrical coupler; the exit relay module connects and composes; two fiber optic Ethernet modules that are connected with microprocessor are connected on the process layer network and communicate with measure and control device; the programmable logic cells that is connected with microprocessor respectively with photoelectrical coupler; the exit relay module is connected; the input end of photoelectrical coupler is connected with switchgear; exit relay module output terminal respectively with the locking outlet loop; the remote control outlet loop; the protection trip(ping) circuit is connected, and the locking outlet loop is built-in with anti-misoperation locking contact control panel.
2. the intelligent control unit with anti mis-closedown function according to claim 1, it is characterized in that: described anti-misoperation locking contact control panel is by switching controls handgrip (SK), contact (YK) is left in remote control, close the branch operator (HA/FA), interlocking contact (LS) and release contact (JS) connect and compose, two output terminals of switching controls handgrip (SK) are left contact (YK) with remote control respectively, closing the branch operator is connected (HA/FA), two output terminals that contact (YK) is left in remote control are connected with combined floodgate control end and separating brake control end respectively, close the branch operator two output terminals of (HA/FA) respectively with 2 distich interlocking points (LS), release contact (JS) is connected, interlocking contact (LS), release contact (JS) is connected with combined floodgate control end and separating brake control end respectively.
3. the intelligent control unit with anti mis-closedown function according to claim 1, it is characterized in that: what described microprocessor adopted is the MPC8313 chip, what described programmable logic cells adopted is the EPL3128 chip, and what described fiber optic Ethernet module adopted is the HFBR5961 module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009200978733U CN201464882U (en) | 2009-07-22 | 2009-07-22 | Intelligent control unit with anti-error-locking function |
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| CN2009200978733U CN201464882U (en) | 2009-07-22 | 2009-07-22 | Intelligent control unit with anti-error-locking function |
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| CN201464882U true CN201464882U (en) | 2010-05-12 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157983A (en) * | 2011-04-01 | 2011-08-17 | 南京南瑞继保电气有限公司 | GOOSE (generic object oriented substation event)-based five-prevention locking method of measuring and controlling device |
| CN107092244A (en) * | 2017-05-16 | 2017-08-25 | 国网江苏省电力公司徐州供电公司 | One kind scheduling distant place controls dual anti-error method of calibration |
| CN104504791B (en) * | 2014-12-16 | 2018-04-13 | 国家电网公司 | Method and apparatus based on special optic fibre communication power remote monitor unlock key management box |
| CN109542013A (en) * | 2018-12-06 | 2019-03-29 | 国网江苏省电力有限公司连云港供电分公司 | The parallel electrical anti-misoperation locking device of microcomputer |
-
2009
- 2009-07-22 CN CN2009200978733U patent/CN201464882U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157983A (en) * | 2011-04-01 | 2011-08-17 | 南京南瑞继保电气有限公司 | GOOSE (generic object oriented substation event)-based five-prevention locking method of measuring and controlling device |
| CN102157983B (en) * | 2011-04-01 | 2014-04-23 | 南京南瑞继保电气有限公司 | GOOSE (generic object oriented substation event)-based five-prevention locking method of measuring and controlling device |
| CN104504791B (en) * | 2014-12-16 | 2018-04-13 | 国家电网公司 | Method and apparatus based on special optic fibre communication power remote monitor unlock key management box |
| CN107092244A (en) * | 2017-05-16 | 2017-08-25 | 国网江苏省电力公司徐州供电公司 | One kind scheduling distant place controls dual anti-error method of calibration |
| CN107092244B (en) * | 2017-05-16 | 2019-05-21 | 国网江苏省电力公司徐州供电公司 | A kind of dual anti-error method of calibration of scheduling distant place control |
| CN109542013A (en) * | 2018-12-06 | 2019-03-29 | 国网江苏省电力有限公司连云港供电分公司 | The parallel electrical anti-misoperation locking device of microcomputer |
| CN109542013B (en) * | 2018-12-06 | 2021-05-14 | 国网江苏省电力有限公司连云港供电分公司 | Parallel micro-electromechanical electric error-proof locking device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
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Owner name: TIANJIN ELECTRIC POWER CORP. Effective date: 20130524 Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: TIANJIN ELECTRIC POWER CORP. Effective date: 20130524 |
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Free format text: CORRECT: ADDRESS; FROM: 300010 HEBEI, TIANJIN TO: 100031 XICHENG, BEIJING |
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| TR01 | Transfer of patent right |
Effective date of registration: 20130524 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Tianjin Electric Power Corp. Address before: 300010 Tianjin city Hebei District Wujing Road No. 39 Patentee before: Tianjin Electric Power Corp. |
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| CX01 | Expiry of patent term |
Granted publication date: 20100512 |
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| CX01 | Expiry of patent term |