CN202948602U - Training device of disconnecting switch electric operating mechanism - Google Patents
Training device of disconnecting switch electric operating mechanism Download PDFInfo
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- CN202948602U CN202948602U CN 201220621722 CN201220621722U CN202948602U CN 202948602 U CN202948602 U CN 202948602U CN 201220621722 CN201220621722 CN 201220621722 CN 201220621722 U CN201220621722 U CN 201220621722U CN 202948602 U CN202948602 U CN 202948602U
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Abstract
The utility model discloses a training device of a disconnecting switch electric operating mechanism. The training device comprises a background computer and a training cabinet, a fault simulator, a disconnecting switch, a disconnecting switch operating mechanism and a disconnecting switch control loop which is in a control connection with the disconnecting switch operating mechanism are arranged in the training cabinet, the fault simulator comprises a group of fault setting relays and a relay control circuit which is in the control connection with the fault setting relays, the fault simulator is connected with the background computer through a communication line, and a contact of each fault setting relay is connected with a control branch circuit required to simulate faults in the disconnecting switch control loop in a series connection mode or a parallel connection mode. The training device of the disconnecting switch electric operating mechanism has a circuit structure, a logical relationship and an external representation which are same to those of a real electric operating mechanism disconnecting switch secondary loop, a primary wiring portion is absent, the operating mechanism, the control loop of the operating mechanism and the like are reserved, and the fault simulator which is in a communicating connection with the background computer is added.
Description
Technical field
The utility model relates to power industry isolation switch motor-operating mechanism training apparatus, is specifically related to a kind of isolation switch motor-operating mechanism training set.
Background technology
In transformer station, in a single day isolation switch puts into operation, and isolation switch is not allow at will operation, and in case when breaking down, fault is difficult to reproduce.
Monitoring, control, adjusting and the protection to primary equipment realized in secondary equipment in power system and loop thereof; the operating condition that can reflect primary equipment; when primary equipment occurs abnormal or breaks down, can send rapidly signal, and excise fast faulty equipment.Therefore, secondary device and loop thereof are the important guarantees of power system security, stable, economical operation, are the indispensable important component parts of transformer station.
In the middle basic unit distribution substation (institute) of electric system; the staff such as power utility check person, distribution operation maintenance work (transformer and distribution station work on duty), distribution test check man, rural power grids distribution business work, relay protection work, DC equipment check man, the debugging and maintenance person of electric substation, electrical measuring instrument worker are equipped with; in order to guarantee the safe and stable operation of transformer station (institute), need to carry out technical training to it.
In general, give the explanation (explanation, picture, multimedia teaching) that at first must carry out theoretical property training, and then carry out emulation, in order to deepen student's understanding, temper its manipulative ability.But existing emulator is less analogue system just, and reality system equipment has very big difference, can not understand in depth between performance index, technical parameter and the system thereof of each equipment and the cooperation of other equipment and interrelated.The training method theoretical property of utilizing this small-sized emulator is strong but lack the training of practical operative ability, makes result of training not good.If give training to the scene, can not guarantee again student's Personal Safety, but also may damage on-site equipment.
Due to the isolation switch motor-operating mechanism training set that comparative maturity also do not occur at present, the training that causes being correlated with is difficult to carry out.Therefore, now a kind of for the personnel on 220kV transformer station, power transformation operation, relay protection, power utility check and corresponding management post, the device that especially maintenance provides technical training and industrial grade to identify to the isolation switch secondary circuit in the urgent need to developing.
The utility model content
The purpose of this utility model is to provide a kind of isolation switch motor-operating mechanism training set, provides technical training and industrial grade to identify to realize the personnel on the secondary circuit such as to being engaged in power utility check, transformer station are on duty, relay protection, power transformation operation maintenance and corresponding management post.
in order to realize above purpose, the technical scheme that the utility model adopts is: a kind of isolation switch motor-operating mechanism training set, comprise background computer and training cabinet, be provided with fault simulator in described training cabinet, isolation switch, the isolation switch operating mechanism and with the isolation switch control loop of its control linkage, described fault simulator comprise one group of fault arrange relay and with the control relay circuit of its control linkage, described fault simulator is connected with background computer by communication line, be used for according to the fault that the background computer that receives sends, instruction being set and control the action that corresponding failure arranges relay, the contact that described each fault arranges relay is connected in the control branch road of isolation switch control loop need simulated failure by the mode of serial or parallel connection respectively, be used for simulation and set fault.
The isolation switch control loop needs the control branch road of simulated failure to comprise disconnecting link divide, close a floodgate control branch road and outside lock-in control branch road and disconnecting link Electric Machine Control branch road, and each controls the contact that the fault that is in series with respectively a correspondence in branch road arranges relay.
The isolation switch control loop needs the control branch road of simulated failure to comprise that also disconnecting link controls branch road on the spot, and described disconnecting link is controlled the contact that the fault that is in series with a correspondence in branch road arranges relay on the spot.
Control relay circuit comprises single-chip microcomputer and the driver that connects in turn, and described background computer is connected with the corresponding control input end of single-chip microcomputer, and the output terminal of driver is connected with the control input end that fault arranges relay.
Also be provided with Speech timer in described training cabinet, described Speech timer and background computer communication connection.
Also be provided with the divide-shut brake pilot lamp on described isolation switch control loop.
Described training cabinet is provided with for controlling and reaches on the spot the switch that far-end switches.
Be provided with the cabinet intraoral illumination equipment for illumination in described training cabinet.
Described training cabinet is by ac power supply, and described alternating current source is provided with earth leakage protective device, and described earth leakage protective device comprises total leakage switch, current transformer and the total detection of electrical leakage coil that connects in turn.
The utility model isolation switch motor-operating mechanism training set component placement has circuit structure, logical relation and the external imagery identical with real motor-operating mechanism isolation switch secondary circuit with reference to true motor-operating mechanism isolation switch layout type; There is no the primary connection part, reservation operations mechanism and control loop thereof etc. have increased a fault simulator, and fault simulator is connected with the background computer communication.Only need in the enterprising line operate setting of background computer " fault ", fault simulator receives order, by fault, relay array is set and disconnects accordingly or connect the branch road corresponding with " fault " that arrange, reaches the effect of simulated failure; The control section of isolation switch reasonably is arranged on the panel of actual training device, and is sent to corresponding background computer by data line, guarantees that the information of background computer output is identical with the information of true background computer output; The direct display system schematic diagram of intelligence software, fault arranges figure, phenomenon of the failure.Real operating most common failure can be set, arrange in secondary circuit and can by computer-controlled " most common failure point ", in order to be that " fault " is set by the compuman, allow the student analyze, to search and to get rid of.
Description of drawings
Fig. 1 is isolation switch motor-operating mechanism training set theory diagram;
Fig. 2 is isolation switch motor-operating mechanism training set schematic diagram;
Fig. 3 is isolation switch motor-operating mechanism training set structural drawing;
Fig. 4 is the fault simulator circuit theory diagrams;
Fig. 5 is CJ2 electric knife gate operating mechanism schematic diagram;
Fig. 6 is isolation switch motor-operating mechanism training set integrated circuit figure;
Fig. 7 is isolation switch motor-operating mechanism training set primary system simulation drawing;
Embodiment
The utility model is described in more detail below in conjunction with drawings and Examples.
be the utility model isolation switch motor-operating mechanism training set theory and structure figure as shown in Figure 1-Figure 3, as seen from the figure, this device comprises background computer and training cabinet, be provided with fault simulator in the training cabinet, isolation switch, the isolation switch operating mechanism and with the isolation switch control loop of its control linkage, the isolation switch operating mechanism comprises CJ2 electric knife gate operating mechanism 9 and the auxiliary reclay of control linkage with it, the isolation switch control loop comprises that isolation switch motor-operating mechanism primary system 2(as shown in Figure 7), isolation switch motor 8 and the isolation switch circuit for controlling motor 6 and the holding circuit 7 that are connected with the isolation switch Electric Machine Control, fault simulator comprise one group of fault arrange relay and with the control relay circuit of its control linkage, fault simulator is connected with background computer by communication line, be used for according to the fault that the background computer that receives sends, instruction being set and control the action that corresponding failure arranges relay, the contact that each fault arranges relay is connected in the control branch road of isolation switch control loop need simulated failure by the mode of serial or parallel connection respectively, be used for simulation and set fault.
In addition, also be provided with divide-shut brake pilot lamp 5 on isolation switch control loop of the present utility model; Also be provided with condensation controller, training cabinet intraoral illumination equipment and Speech timer 1 and fault acquisition device in the training cabinet, condensation controller is used for the control to environment temperature and humidity, prevents from producing in cabinet condensation; Cabinet intraoral illumination equipment is used in the situation that insufficient light throws light on; The communication connection of Speech timer and background computer, Speech timer are used for gathering the duty of isolation switch motor-operating mechanism and student when taking an examination timing and speech chronopher.
The training cabinet is provided with for controlling and reaches on the spot the switch that far-end switches, the i.e. switch of a distant place on the spot 4 in Fig. 3.
The three-phase alternating-current supply that this training set uses is three-phase four-wire system; article four, the line total undetected test coil that all passes earth leakage protective device is connected to power switch; earth leakage protective device comprises total air switch, current transformer and the total detection of electrical leakage coil that connects in turn, and the output terminal of total detection of electrical leakage coil is given power devices in the training cabinet by an ac power switch 3.Background computer is by mains-supplied, communicates to connect in the RS485 mode by the fault simulator WT-CH15A in communication converter WT-TX02 and training cabinet and Speech timer and fault acquisition device.
Be illustrated in figure 4 as the circuit diagram of fault simulator, be connected with background computer by 485 modes, accept the fault simulation instruction that computing machine sends, output to each control loop after execution, this is a kind of relay controller, adopt Single-chip Controlling relay mode to realize the switching of various functions, be used for realizing the setting of control loop most common failure.Fault simulator comprises that contact that single-chip microcomputer and relay d11-d21 is set by monolithic processor controlled one group of fault, fault arrange relay is arranged at the place, corresponding trouble spot of isolation switch control loop; Single-chip microcomputer is given fault by shift register and driver with signal relay is set, and controls fault the actuating of relay is set, and makes the closing of contact or disconnection, completes fault setting and recovery.
The access three-phase alternating-current supply and check errorless after; the device general supply of closing; press " startup " button on earth leakage protective device or click PC software " startup "; device starts; AC power supply power supply is to fault simulator (WT-CH15) and CJ2 electric knife gate operating mechanism module; the fault simulator single-chip microcomputer is started working; CJ2 electric knife gate operating mechanism is started working simultaneously; to be used complete after; press " stopping " button or click PC software and " stop "; device quits work, and then general supply is disconnected.
As shown in Figure 5, when the 1G disconnecting link closes a floodgate, press and once simulate on panel the 1G switch knob or by pressing on the spot switch knob, close a floodgate, the driven by motor reducer casing is controlled body and is rotated connecting lever and complete closing operation.During 1G disconnecting link separating brake, press and once simulate on panel the 1G opening button or by pressing on the spot opening button, carry out separating brake, the driven by motor reducer casing is controlled body and is rotated connecting lever and complete sub-switching operation.
Be illustrated in figure 6 as isolation switch motor-operating mechanism training set overall system view, be provided with fault d13-d21 in figure.The same d11 of all the other trouble spot setting principles, d12 are identical, by background computer control single chip computer and then control fault, the action of relay are set, thereby control being switched on or switched off of corresponding circuit, have listed phenomenon of the failure and the failure cause of each trouble spot in table 1.
Table 1
It is as follows that the fault of this training set arranges principle of work: add the trouble spot in closing circuit, describe as an example of the d11 fault example: a contact that fault in Fig. 4 is arranged relay d11 is arranged at as in the closing circuit in Fig. 5, when by background computer software, trouble spot d11 being set, fault in fault simulator arranges relay d11 action, and then make the action of d11 relay contact, closing circuit is cut off.When again closing a floodgate, closing circuit breaks down, and just can't close a floodgate.
Externally add the trouble spot in locked loop, describe as an example of the d12 fault example: a contact that fault in Fig. 4 is arranged relay d12 is arranged at as in the outside locked loop in Fig. 5, when by background computer software, trouble spot d12 being set, fault in fault simulator arranges relay d12 action, and then make the action of d12 relay contact, outside locked loop is disconnected.When outside locked loop locking, closed bite, sub-gate circuit, just can't complete close, sub-switching operation.
As shown in Fig. 5-7, the isolation switch control loop needs the control branch road of simulated failure to comprise that disconnecting link divide, close a floodgate control branch road and outside lock-in control branch road and disconnecting link Electric Machine Control branch road, disconnecting link control branch road etc. on the spot, each controls the contact that the fault that is in series with respectively a correspondence in branch road arranges relay, the same d11 of each trouble spot setting principle, d12 are identical, by the action of background computer pilot relay, thereby control being switched on or switched off of branch road.
As Fig. 3 and shown in Figure 6, isolation switch motor-operating mechanism training set of the present utility model, isolation switch partly adopts 220kV transformer station isolation switch as the analog simulation object, and 1G circuit disconnecting link adopts real motor-operating mechanism, and 2G, 3G, 4G adopt emulation mode to realize; Simulation switch mechanism part, top is simulation system of 220kV, the real-time on off state of circuit disconnecting link, by-pass knife switch, mother disconnecting link, and can each disconnecting link of remote control minute with close, the bottom is the disconnecting link control section, and the right side is real CJ2 disconnecting link motor drive mechanism.
The utility model is moved into the laboratory to real isolation switch, and can simulate the student and therefrom draw the control cables line to the process of isolation switch and switch operation mechanism case in the chamber of control.The student connect cable complete after and can verify the correctness that connects, and hardware fault can be set, can isolation switch that is virtually reality like reality refuse minute, refuse to close can etc. on-the-spot common alerting signal and message, and can realize distant place control to isolation switch by operation Central Control Room part switch.Central Control Room and isolation switch operating mechanism that native system is far with on-the-spot middle distance close as a whole, make understanding control relation and the steering logic between the two that the student can be clear and easy to understand, and can connect cable to the process of isolation switch mechanism case by Central Control Room by student's exercise, realize secondary circuit failure setting, theoretical validation, maintenance real training, fault analysis investigation real training function by the software operation platform on the device cabinet; Real-time communication between training set and background computer, the examination training is convenient, fast.
Claims (8)
1. isolation switch motor-operating mechanism training set, it is characterized in that: comprise background computer and training cabinet, be provided with fault simulator in described training cabinet, isolation switch, the isolation switch operating mechanism and with the isolation switch control loop of its control linkage, described fault simulator comprise one group of fault arrange relay and with the control relay circuit of its control linkage, described fault simulator is connected with background computer by communication line, be used for according to the fault that the background computer that receives sends, instruction being set and control the action that corresponding failure arranges relay, the contact that described each fault arranges relay is connected in the control branch road of isolation switch control loop need simulated failure by the mode of serial or parallel connection respectively, be used for simulation and set fault.
2. isolation switch motor-operating mechanism training set according to claim 1, it is characterized in that: the isolation switch control loop needs the control branch road of simulated failure to comprise disconnecting link divide, close a floodgate control branch road and outside lock-in control branch road and disconnecting link Electric Machine Control branch road, and each controls the contact that the fault that is in series with respectively a correspondence in branch road arranges relay.
3. isolation switch motor-operating mechanism training set according to claim 1 and 2, it is characterized in that: the isolation switch control loop needs the control branch road of simulated failure to comprise that also disconnecting link controls branch road on the spot, described disconnecting link is controlled the contact that the fault that is in series with a correspondence in branch road arranges relay on the spot
Control relay circuit comprises single-chip microcomputer and the driver that connects in turn, and described background computer is connected with the corresponding control input end of single-chip microcomputer, and the output terminal of driver is connected with the control input end that fault arranges relay.
4. isolation switch motor-operating mechanism training set according to claim 3, is characterized in that: also be provided with Speech timer in described training cabinet, described Speech timer and background computer communication connection.
5. isolation switch motor-operating mechanism training set according to claim 4, is characterized in that: also be provided with the divide-shut brake pilot lamp on described isolation switch control loop.
6. isolation switch motor-operating mechanism training set according to claim 5 is characterized in that: described training cabinet is provided with for controlling and reaches on the spot the switch that far-end switches.
7. isolation switch motor-operating mechanism training set according to claim 6, is characterized in that: be provided with the cabinet intraoral illumination equipment for illumination in described training cabinet.
8. isolation switch motor-operating mechanism training set according to claim 7; it is characterized in that: described training cabinet is by ac power supply; described alternating current source is provided with earth leakage protective device, and described earth leakage protective device comprises total leakage switch, current transformer and the total detection of electrical leakage coil that connects in turn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220621722 CN202948602U (en) | 2012-11-22 | 2012-11-22 | Training device of disconnecting switch electric operating mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220621722 CN202948602U (en) | 2012-11-22 | 2012-11-22 | Training device of disconnecting switch electric operating mechanism |
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| CN202948602U true CN202948602U (en) | 2013-05-22 |
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| CN 201220621722 Expired - Fee Related CN202948602U (en) | 2012-11-22 | 2012-11-22 | Training device of disconnecting switch electric operating mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077632A (en) * | 2012-11-22 | 2013-05-01 | 郑州万特电气有限公司 | Isolation disconnecting link electric operating mechanism training device |
| CN103745626A (en) * | 2014-01-27 | 2014-04-23 | 浙江时通电气制造有限公司 | Substation training device based on PLC (programmable logic controller) |
-
2012
- 2012-11-22 CN CN 201220621722 patent/CN202948602U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077632A (en) * | 2012-11-22 | 2013-05-01 | 郑州万特电气有限公司 | Isolation disconnecting link electric operating mechanism training device |
| CN103077632B (en) * | 2012-11-22 | 2015-01-21 | 郑州万特电气有限公司 | Isolation disconnecting link electric operating mechanism training device |
| CN103745626A (en) * | 2014-01-27 | 2014-04-23 | 浙江时通电气制造有限公司 | Substation training device based on PLC (programmable logic controller) |
| CN103745626B (en) * | 2014-01-27 | 2016-02-10 | 浙江时通电气制造有限公司 | A kind of electric substation's training set controlled based on PLC |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130522 Termination date: 20151122 |
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| EXPY | Termination of patent right or utility model |