CN102982711A - Training device of split-phase breaker spring operation mechanisms - Google Patents

Abstract

The invention relates to a training device of split-phase breaker spring operation mechanisms. The training device comprises a background computer and a training cabinet connected with the background computer, wherein the split-phase breaker spring operation mechanisms, control loops of the split-phase breaker spring operation mechanisms and a fault simulator are arranged in the training cabinet. The fault simulator comprises a group of fault setting relays and control loops of the fault setting relays, is in communication connection with the background computer, and is used for controlling the corresponding fault setting relays to act according to received fault setting instructions sent by the background computer. Corresponding contacts of all the fault setting relays are connected in the corresponding control loops of the split-phase breaker spring operation mechanisms in series or parallel and are used for simulating set faults. The training device solves the problem that the existing training method is poor in training effect.

Description

A kind of phase-splitting spring operating mechanism of circuit breaker training set

Technical field

The present invention relates to a kind of phase-splitting spring operating mechanism of circuit breaker training set.

Background technology

Common phase-splitting spring operating mechanism of circuit breaker can only be applicable to execute-in-place in the market, and because it is bulky, relatively heavier, be inconvenient to move into the laboratory and give teaching training, when giveing training for operating personnel, traditional training method is normally carried out literal explanation, is drawn and describe, and this training method theoretical property is strong but lack the training of practical operative ability, so that result of training is not good.

Widespread use along with multimedia technology, people carry out theoretical training by the computer media supplementary means, and then to watching, but this training method still can not be carried out practical operation, and site environment has actual voltage, and there is unsafe factor in training.

In order to address the above problem, people are seeking a kind of desirable technical solution always.

Summary of the invention

The purpose of this invention is to provide, in order to solve the problem of existing training method poor effect.

For achieving the above object, the solution of the present invention is: a kind of phase-splitting spring operating mechanism of circuit breaker training set, comprise background computer and a training cabinet that links to each other with described background computer, be provided with phase-splitting spring operating mechanism of circuit breaker and control loop thereof and a fault simulator in the described training cabinet, described fault simulator comprises that one group of fault arranges relay and control loop thereof, this fault simulator is connected with described background computer communication, being used for according to the fault that the background computer that receives sends instruction being set controls corresponding fault the actuating of relay is set, the corresponding contact that each described fault arranges relay is connected in the corresponding control loop of described phase-splitting spring operating mechanism of circuit breaker by the mode of serial or parallel connection respectively, is used for simulation and sets fault.

The control loop that described fault arranges relay is comprised of single-chip microcomputer and driving circuit, the corresponding port of described single-chip microcomputer is connected with described background computer by a communication converter, and by described driving circuit and described fault the corresponding connection of relay being set, this single-chip microcomputer arranges the action of relay according to the order-driven corresponding failure of the described background computer that receives.

The control loop of described phase-splitting spring operating mechanism of circuit breaker comprise the control loop that closes a floodgate on the spot, A divide mutually/combined floodgate control loop, B divide/the combined floodgate control loop mutually, in described each control loop, be in series with respectively a phase-splitting isolating switch on the spot Closing fault point, A mutually can not minute/Closing fault point and B mutually can not minute/the Closing fault point.

The control loop of described phase-splitting spring operating mechanism of circuit breaker also comprises the energy storage motor control loop, and being in series with an A phase energy storage motor in the energy storage motor control loop can not operational failure point and an energy storage locking failure of removal point.

The control loop of described phase-splitting spring operating mechanism of circuit breaker also comprises separating brake SF6 lock-in control loop, is parallel with respectively an air pressure and crosses low locking trouble spot in separatingbrake 1 and separatingbrake 2 locked loops.

This training set also is provided with the Speech timer module, and described Speech timer module is connected with described background computer communication by a communication converter, the speech chronopher when being used for the student training examination.

This training set also is connected with a protection module, this protection module by the phase-splitting current foldback circuit, always leak holding circuit and device and open/stop button and form, be used for personnel protection and device security.

The beneficial effect that the present invention reaches: the present invention moves into the laboratory to real phase-splitting operating machine of the spring mechanism circuit-breaker, improve at real breaker cabinet, removed the primary connection part, reservation operations mechanism and control loop thereof etc., increased a fault simulator, in secondary circuit, be provided with can by background computer control at true operating most common failure point, fault simulator is connected with the background computer communication, only need in the enterprising line operate of background computer and setting " fault ", the fault that fault simulator receives background computer arranges order, disconnection or the connection of relay are set by corresponding fault, control arranges the corresponding branch road of " fault ", reaches the effect of simulated failure.This training set is normal operating condition and the malfunction of mimic-disconnecting switch really, allow the student analyze, to search and to get rid of, by isolating switch that is virtually reality like reality, the student can take action on one's own to operate, integrade theory with practice, reached preferably result of training.

Description of drawings

Fig. 1 is phase-splitting spring operating mechanism of circuit breaker training set cabinet body structure figure;

Fig. 2 is principle of the invention block diagram;

Fig. 3 is circuit theory diagrams of the present invention;

Fig. 4 is that fault analogue means and fault arrange circuit theory figure;

Fig. 5 is phase-splitting spring operating mechanism of circuit breaker training set combined floodgate control loop;

Fig. 6 is phase-splitting spring operating mechanism of circuit breaker training set separatingbrake 1 control loop;

Fig. 7 is phase-splitting spring operating mechanism of circuit breaker training set separatingbrake 2 control loops;

Fig. 8 is the total lock-in control of phase-splitting spring operating mechanism of circuit breaker training set SF6 loop;

Fig. 9 is phase-splitting spring operating mechanism of circuit breaker training set energy storage motor and motor control loop.

Embodiment

The present invention will be further described in detail below in conjunction with accompanying drawing.

The personnel that the present invention be directed on secondary circuits such as being engaged in power utility check, transformer station are on duty, relay protection, power transformation operation maintenance and the corresponding management post provide technical training and industrial grade to identify; the analogue simulation of training set control loop is realized secondary circuit failure setting, theoretical validation, maintenance real training, fault analysis investigation real training function by the software operation platform at the device cabinet.

Such as Fig. 1,1 is the phase-splitting control box, and 2 for dividing/closing switch, and 3 is Speech timer, 4 is switch, and 5 is power switch, and 6 is mimic-disconnecting switch, and 7 are the breaker tripping and closing pilot lamp, 8 and 9 is auxiliary reclay, and 10 is the isolating switch operation counter, and 11 is the energy storage motor controller, and 12 is energy storage motor.Switch is used for realizing on the spot/long-range two kinds of control modes, the breaker tripping and closing pilot lamp is used for showing when breaker open operation or combined floodgate, timing and speech chronopher when Speech timer is used for examination, energy storage motor be used to isolating switch minute, closing operation provides energy, condensation controller is used for the control to environment temperature and humidity, prevent the generation of condensation, the isolating switch operation counter is used for the isolating switch action frequency is counted.

Such as Fig. 2 and Fig. 3, the present invention is made of phase-splitting spring operating mechanism of circuit breaker and control loop thereof and peripheral circuit, and phase-splitting spring operating mechanism of circuit breaker and control loop thereof comprise mimic-disconnecting switch, energy storage motor controller, energy storage motor, power switch, auxiliary reclay, breaker tripping and closing pilot lamp and switch; Peripheral circuit comprises background computer, state acquisition device, fault simulator, Speech timer, power control circuit, unit protection module and the general supply empty switch that leaks electricity.Communication is connected background computer with fault simulator with Speech timer by the communication interpreter, is used for sending fault to fault simulator instruction is set, and the trouble spot artificially is set; Fault simulator is used for according to the fault that the background computer that receives sends instruction being set, the action of corresponding failure point in the control phase-splitting spring operating mechanism of circuit breaker secondary circuit; The state acquisition device is used for gathering the duty of phase-splitting spring operating mechanism of circuit breaker, timing and speech chronopher when Speech timer is taken an examination for the student; The unit protection module is for the protection of the person and the safety of equipment, and can prevent misoperation; Power control circuit is connected with the button control of opening, stop on the unit protection module, and is used for opening, stopping of control device; Three-phase alternating-current supply and direct current cabinet are used to the device power supply; Civil power is used to the background computer power supply.

Such as Fig. 4, fault simulator comprises that single-chip microcomputer, driving circuit and one group of fault arrange relay, single-chip microcomputer arranges relay by the corresponding fault that connects of driving circuit, and the corresponding contact that fault arranges relay is connected in the corresponding control loop of phase-splitting spring operating mechanism of circuit breaker secondary part.

Specific works process of the present invention is as follows: the access three-phase alternating-current supply and check errorless after, the device general supply of closing leak electricity empty switch and direct current electric screen, this timer is charged, press device " startup " button on the unit protection module or click PC software " startup ", device starts, the AC power supply arrives fault simulator (WT-CH15) and phase-splitting spring operating mechanism of circuit breaker and control loop thereof through the unit protection module, fault simulator and phase-splitting control box (WT-CJX11) are started working, training set sends fault by background computer and instruction is set to the single-chip microcomputer in the fault simulator, single-chip microcomputer arranges order according to the fault that receives, control the action that corresponding fault arranges relay by driving circuit, thereby the action of corresponding relay contact in the control phase-splitting spring operating mechanism of circuit breaker secondary partial response control loop, failure condition that is virtually reality like reality, phenomenon of the failure and fault arrange figure and can show at background computer, the student is by this background computer analyzing failure cause and looking up the fault position, and find corresponding abort situation to the scene, get rid of; To be used complete after, at first press " stopping " button or click PC software and " stop ", device quits work, and then general supply is disconnected.The three-phase alternating-current supply that this training set uses is three-phase four-wire system, and four lines all pass the unit protection module and are connected in phase-splitting spring operating mechanism of circuit breaker and the control loop thereof.

Such as Fig. 5, in the combined floodgate control loop, S9 is switch knob, Y1LA is closing coil, and K76 is closing relay on the spot, during combined floodgate, will be on the spot/remote plug pushes with regard to position, and presses switch knob S9, and power switch is through closing relay K76 on the spot, closing relay K76 action, its auxiliary contact adhesive is connected power switch through S1LA, K15, and closing coil Y1LA gets electric, the combined floodgate pilot lamp is lit, and breaker switching-on operation is finished.

In this closing circuit, add the trouble spot, when by background computer software trouble spot d14 being set, the d14 actuating of relay in the fault simulator, the action of d14 relay contact is cut off closing circuit, when again closing a floodgate, closing circuit breaks down, and just can't close a floodgate.

Such as Fig. 6, in separatingbrake 1 control loop, Y3LA is Aphase separating brake 1 coil, Y3LB is Bphase separating brake 1 coil, Y3LC is Cphase separating brake 1 coil, K77 is separating brake relay on the spot, during separating brake, will be on the spot/remote plug pushes with regard to position, and presses opening button, the separating brake power supply is through separating brake relay K 77 on the spot, 77 adhesives of separating brake relay K, its auxiliary contact are connected the separating brake power supply through S1LA locking relay auxiliary contact, and switching winding Y3LA gets electric, the separating brake pilot lamp is lit, and the breaker open operation operation is finished.

In Bphase separating brake 1 control loop, add the trouble spot, when by background computer software trouble spot d17 being set, the d17 actuating of relay in the fault simulator.Sub-gate circuit is cut off in the action of d17 relay contact.When separating brake again, sub-gate circuit outlet fault, so that Bphase separating brake 1 separating brake on the spot, can not distant place separating brake, same, in Aphase separating brake 1 control loop, add trouble spot d16, on the spot separating brake of Aphase separating brake 1 appears in control circuit.

Such as Fig. 7, Y4LA is Aphase separating brake 2 coils, and Y4LB is Bphase separating brake 2 coils, and Y4LC is Cphase separating brake 2 coils, in Aphase separating brake 2 control loops trouble spot d18 is set, and principle is with separatingbrake 1 control loop.

Such as Fig. 8, K55 is the total locking relay coil of the SF6 of separatingbrake 2 control loops, K10 is the total locking relay coil of the SF6 of separatingbrake 1 control loop, B4LA, B4LB and B4LC be respectively A mutually, B phase and C phase control button, K16 is three-phase compulsion relay coil, K61 is three-phase compulsion reset relay coil, P1LA is A phase counter, P1LB is B phase counter, and P1LC is C phase counter, and d19 and d20 are the trouble spot that arranges in the control loop.

Such as Fig. 9, M1LA is A phase energy storage motor, M1LB is B phase energy storage motor, and M1LC is C phase energy storage motor, and K67 is energy storage motor long-term operation relay coil, K9LA is A phase energy storage motor pilot relay coil, K9LB is B phase energy storage motor pilot relay coil, and K9LC is C phase energy storage motor pilot relay coil, and K15 is energy storage locking relay coil, S16A, S16B and S16C be respectively A mutually, B phase and C motor pilot relay contact mutually, d1, d21 and d22 are respectively the trouble spot of setting.

Each trouble spot same d14, d17 be set, the action of background computer pilot relay is all arranged, thereby controls the connecting and disconnecting of corresponding control loop, arrive the effect of simulated field fault, listed phenomenon of the failure and the failure cause of each trouble spot in the table 1.

Table 1 phase-splitting spring operating mechanism of circuit breaker training set fault arranges tabulation

This training set has also connected a phase-splitting control box, and this phase-splitting control box is used for control and the supervision to the phase-splitting spring operating mechanism of circuit breaker.

Component placement of the present invention has circuit structure, logical relation and the external imagery identical with real phase-splitting operating machine of the spring mechanism circuit-breaker with reference to the field layout mode; Breaker signal device and control device reasonably are arranged on the panel of training set, and are sent to corresponding student's machine (simulation background computer) by data line, guarantee 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.

The present invention moves into the laboratory to real phase-splitting operating machine of the spring mechanism circuit-breaker, and can simulate the student and therefrom draw the control cables line to the process of circuit breaker mechanism case in the pulpit.The student connect cable complete after and can verify the correctness that connects, and hardware fault can be set, can isolating switch oil pressure that is virtually reality like reality, the locking of SF6 air pressure, SF6 air pressure is excessively low, spring is common alerting signal and the message in scene such as energy storage not.And can realize the distant place of isolating switch is controlled by operation Central Control Room part switch, Central Control Room and circuit breaker operation mechanism that this training set 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 circuit breaker mechanism case by Central Control Room by student's exercise.

In other embodiments, can as required, different trouble spots be set.

Claims (7)

1. phase-splitting spring operating mechanism of circuit breaker training set, it is characterized in that, comprise background computer and a training cabinet that links to each other with described background computer, be provided with phase-splitting spring operating mechanism of circuit breaker and control loop thereof and a fault simulator in the described training cabinet, described fault simulator comprises that one group of fault arranges relay and control loop thereof, this fault simulator is connected with described background computer communication, being used for according to the fault that the background computer that receives sends instruction being set controls corresponding fault the actuating of relay is set, the corresponding contact that each described fault arranges relay is connected in the corresponding control loop of described phase-splitting spring operating mechanism of circuit breaker by the mode of serial or parallel connection respectively, is used for simulation and sets fault.

2. phase-splitting spring operating mechanism of circuit breaker training set according to claim 1, it is characterized in that, the control loop that described fault arranges relay is comprised of single-chip microcomputer and driving circuit, the corresponding port of described single-chip microcomputer is connected with described background computer by a communication converter, and by described driving circuit and described fault the corresponding connection of relay being set, this single-chip microcomputer arranges the action of relay according to the order-driven corresponding failure of the described background computer that receives.

3. phase-splitting spring operating mechanism of circuit breaker training set according to claim 1, it is characterized in that, the control loop of described phase-splitting spring operating mechanism of circuit breaker comprise the control loop that closes a floodgate on the spot, A divide mutually/combined floodgate control loop, B divide/the combined floodgate control loop mutually, in described each control loop, be in series with respectively a phase-splitting isolating switch on the spot Closing fault point, A mutually can not minute/Closing fault point and B mutually can not minute/the Closing fault point.

4. phase-splitting spring operating mechanism of circuit breaker training set according to claim 1, it is characterized in that, the control loop of described phase-splitting spring operating mechanism of circuit breaker also comprises the energy storage motor control loop, and being in series with an A phase energy storage motor in the energy storage motor control loop can not operational failure point and an energy storage locking failure of removal point.

5. phase-splitting spring operating mechanism of circuit breaker training set according to claim 1, it is characterized in that, the control loop of described phase-splitting spring operating mechanism of circuit breaker also comprises separating brake SF6 lock-in control loop, is parallel with respectively an air pressure and crosses low locking trouble spot in separating brake 1 and separating brake 2 locked loops.

6. phase-splitting spring operating mechanism of circuit breaker training set according to claim 1, it is characterized in that, this training set also is provided with the Speech timer module, described Speech timer module is connected with described background computer communication by a communication converter, the speech chronopher when being used for the student training examination.

7. phase-splitting spring operating mechanism of circuit breaker training set according to claim 1; it is characterized in that; this training set also is connected with a protection module; this protection module by the phase-splitting current foldback circuit, always leak holding circuit and device and open/stop button and form, be used for personnel protection and device security.

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