CN104318835A - Programmable full-circuit dynamic electrical failure simulation device and method - Google Patents
Programmable full-circuit dynamic electrical failure simulation device and method Download PDFInfo
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Abstract
The invention discloses a programmable full-circuit dynamic electrical failure simulation device and method. The device comprises a programmable dynamic failure setting unit, a practice cabinet interface unit and a practice cabinet, wherein the programmable dynamic failure setting unit is composed of a PLC system and an operation panel; the practice cabinet interface unit is composed of a programmable dynamic failure setting unit side terminal, a practice cabinet failure setting lead-out side terminal and an interface signal cable which is connected with the two terminals; the programmable dynamic failure setting unit side terminal is connected with the failure output end of the PLC system; the practice cabinet failure setting lead-out side terminal is connected with the practice cabinet. The method comprises the following steps that a connecting line of all failure points which need to be simulated is led out, different failure numbers are set, all failure setting switches corresponding to the different failure numbers are arranged on the operation panel and moved, the PLC system is controlled to output failures, and finally all the failures are set. According to the programmable full-circuit dynamic electrical failure simulation device and method, a circuit does not need to be changed, and normal switching and failure state switching can be conducted online conveniently and flexibly.
Description
Technical field
The present invention relates to electric fault training field, be specifically related to a kind of whole circuit able to programme dynamically electric failure simulation device and method thereof.
Background technology
Field of industrial automation control has mainly been put into practice by site operation at present to the training of new employee.But, along with the paces of Enterprise Construction are accelerated, higher requirement be it is also proposed to the construction speed of construction enterprises: it not only requires that there are better construction quality in construction enterprises, also requires that there are construction speed faster in construction enterprises simultaneously.The flowing of enterprise construction personnel and equipment is more and more frequent, and this phenomenon is built in electrical installation project automated debug specialty in smelting and showed especially obvious.In such a case, new employee is difficult to the more time at the construction field (site) and goes to think deeply the problem of encountering and digest the knowledge learned, and often needs the exercise through several engineering could grasp the debugging technique of electric specialty preferably.For adapting to new construction situation, according to actual needs, develop a kind of whole circuit able to programme dynamically electric failure simulation method and device, the fact of the on-the-spot electric fault of electric installation can be simulated, training and examination employee fault analysis judgement, strengthening employee skill is cultivated, and to raising employee skills quality, the comprehensive competition strength strengthening enterprise is significant.
The article " interlocking electric circuit dynamic fault Treatment Analysis " of " railway communication signal " 01 phase in 2005, mentions in the maintenance of 6502 electric horn interlocking apparatus, often runs into circuit dynamic fault.Along with the action of relay, trouble spot hides, and cannot find out trouble spot as process static failure with voltage, current method according to the action level of circuit.The fault of especially closing again after signal at clear, is difficult to judge by the sequence of movement of observing relay, causes long-time fault time delay.But do not relate to the method for whole circuit dynamic similation working-yard able to programme electric fault.
Summary of the invention
The technical problem to be solved in the present invention is, for prior art above shortcomings, a kind of whole circuit able to programme dynamically electric failure simulation device and method thereof is provided, dynamic mode is drawn up the various faults that various working-yard may run into and is practised, and meets different operating technical ability, the training of personnel of different majors and examination.
The present invention for solving the problems of the technologies described above adopted technical scheme is:
A kind of whole circuit able to programme is electric failure simulation device dynamically, which comprises at least: Programmable Dynamic fault verification unit, exercise cabinet interface unit and exercise cabinet; Described Programmable Dynamic fault verification unit is arranged for the dynamic similation realizing whole circuit fault, form primarily of PLC system, guidance panel, PLC system is made up of a power module, CPU module, a digital quantity input module (DC24V) and several digital output modules (relay types); Guidance panel is furnished with the fault verification switch of several fault categories, the digital quantity input module of each fault verification switch access PLC system; Described exercise cabinet interface unit is connected for the circuit realized between Programmable Dynamic fault verification unit with exercise cabinet, be made up of Programmable Dynamic fault verification cell side connection terminal, exercise cabinet fault verification outlet side connection terminal and the interface signal cable that is connected above-mentioned both sides connection terminal (Programmable Dynamic fault verification cell side connection terminal and exercise cabinet fault verification outlet side connection terminal), Programmable Dynamic fault verification cell side connection terminal is connected with the output terminal of each digital output module; Described exercise cabinet fault verification outlet side connection terminal is connected with exercise cabinet.
By such scheme, described PLC system is positioned at exercise cabinet, and guidance panel is positioned on exercise cabinet front panel.
By such scheme, described guidance panel is furnished with the fault verification switch (the fault verification switch of 16 fault categories also can be set as required) of 8 fault categories, the digital quantity input module of each fault verification switch access PLC system.
By such scheme, described exercise cabinet is that the high voltage control cabinet of power supply-distribution system or the electrical control cubicles of instrument and meter for automation or motor drag control electrical control cubicles or PLC system switch board electrically and the electrical control cubicles of automatic meter system.
Present invention also offers a kind of method according to the dynamic electrically failure simulation device simulated failure of above-mentioned whole circuit able to programme, comprise the steps:
1) according to concrete assessed form, exercise cabinet is transformed, draw all exercise cabinet fault verification outlet side connection terminals (also trouble spot can be set at the major loop of exercise cabinet, the faults such as simulation main circuit power lacuna) linking to exercise cabinet interface unit needing simulated failure point;
2) according to step 1) in exercise cabinet fault verification outlet side connection terminal set different faults number;
3) arrange on the guidance panel of Programmable Dynamic fault verification unit and stir and different faults number each corresponding fault verification switch;
4) according to assessed form and step 2) ~ 3) fault that arranges number and fault verification switch corresponding relation, write and debug good PLC system corresponding with it, the fault output of the digital output module of control PLC system;
5) setting of each fault is realized eventually through the dynamic electrically failure simulation device of whole circuit able to programme.
By such scheme, described step 5) in the whole circuit fault of the dynamic electrically failure simulation device simulation of whole circuit able to programme comprise open fault, short trouble, line-hit fault, wiring circuit contact bad error, power supply disturbance fault.
The present invention's whole circuit able to programme is electric failure simulation device dynamically, according to on-site assessment designing requirement, count required digital quantity to count, configure PLC system, and then the most common failure of dynamic similation working-yard whole circuit, comprise open fault, short trouble, line-hit fault, wiring circuit contact bad error, power supply disturbance fault.Exercise cabinet according to examination designing requirement unrestricted choice, can provide student to practise, examines, and the fault verification side of exercise cabinet according to the requirement of training specialty and examination design, can be practised cabinet to difference and transform.
Beneficial effect of the present invention:
1, there is versatility widely, realized employee before entering working-yard, dynamic mode is drawn up the various faults that various working-yard may run into and is practised, for new employee enter working-yard before make a system training close to working-yard and practicing environment, meet electrically, the different operating technical ability such as instrument and meter for automation, the examination of different brackets student and training request;
2, can according to the requirement of examination design, Arbitrary Fault examination examination question is formed dynamically at whole circuit, meet the needs of the contest match of electric specialty vocational skills and Pre-Games Training, also can be used as the training of the ability of employee PLC programming and debugging, meet the actual conditions that system construction is built in smelting completely;
3, without the need to changing circuit, normal and malfunction switching is carried out easily and flexibly online.
Accompanying drawing explanation
Fig. 1 is the one-piece construction block diagram of the dynamic electrically failure simulation device of the present invention's whole circuit able to programme;
Fig. 2 is the structured flowchart of the PLC system of Programmable Dynamic fault verification unit of the present invention;
Fig. 3 is the wiring diagram of the fault verification switch on the guidance panel of Programmable Dynamic fault verification unit of the present invention;
Fig. 4 is the wiring diagram that the present invention practises cabinet interface unit and Programmable Dynamic fault verification unit and practises between cabinet;
Fig. 5 is the schematic diagram that embodiment of the present invention dual power supply throws runback exercise cabinet mutually.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
With reference to shown in Fig. 1 ~ Fig. 4, whole circuit able to programme of the present invention is electric failure simulation device dynamically, which comprises at least: Programmable Dynamic fault verification unit, exercise cabinet interface unit and exercise cabinet;
Described Programmable Dynamic fault verification unit is arranged for the dynamic similation realizing whole circuit fault, form primarily of PLC system, guidance panel, PLC system is made up of a power module, CPU module, a digital quantity input module (DC24V) and several digital output modules (relay types), as shown in Figure 2; Guidance panel is furnished with the fault verification switch of several fault categories, the digital quantity input module of each fault verification switch access PLC system; Described exercise cabinet interface unit is connected for the circuit realized between Programmable Dynamic fault verification unit with exercise cabinet, be made up of Programmable Dynamic fault verification cell side connection terminal, exercise cabinet fault verification outlet side connection terminal and the interface signal cable that is connected above-mentioned both sides connection terminal (Programmable Dynamic fault verification cell side connection terminal and exercise cabinet fault verification outlet side connection terminal), Programmable Dynamic fault verification cell side connection terminal is connected with the output terminal of each digital output module, as shown in Figure 4; Described exercise cabinet fault verification outlet side connection terminal is connected with exercise cabinet.
Described PLC system is positioned at exercise cabinet, and guidance panel is positioned on exercise cabinet front panel.
Described guidance panel is furnished with the fault verification switch (fault verification switch 1 ~ 8 as shown in Figure 3) of 8 fault categories, the fault verification switch of 16 fault categories also can be set as required, the digital quantity input module of each fault verification switch access PLC system.
The present invention's whole circuit able to programme is electric failure simulation device dynamically, according to on-site assessment designing requirement, count required digital quantity to count, configure PLC system, and then the most common failure of dynamic similation working-yard whole circuit, comprise open fault, short trouble, line-hit fault, wiring circuit contact bad error, power supply disturbance fault.
In order to make specific embodiment of the invention, usable range and advantage clearly, shown in Fig. 5, throw the exercise cabinet of runback exercise cabinet as the dynamic electrically failure simulation device of whole circuit able to programme mutually in conjunction with power supply-distribution system dual power supply, for its fault verification, the present invention is further described.
Embodiment is:
1, the extraction of cabinet predetermined failure point line is practised: all nodes as electrical schematic diagram Fig. 5 whole circuit can arrange trouble spot, according to concrete assessed form, exercise cabinet is transformed, draw all lines of simulated failure point that needs (as 103 in Fig. 5,107,1n, 1n ', 111,111 ', 2n, 2n ' etc.) to the exercise cabinet fault verification outlet side connection terminal of exercise cabinet interface unit and JX terminal; Also trouble spot can be set at the major loop of exercise cabinet, the faults such as simulation main circuit power lacuna; If when the electric current of set fault loop, voltage exceed the digital output module allowed band of PLC system (when the node capacity of the digital output module output relay of PLC system not and electric pressure is not inconsistent with exercise cabinet), can export by PLC system and drive Large Copacity relay, contactor to realize (as by increasing relay, contactor realization);
2, different faults number is set according to exercise cabinet fault verification outlet side connection terminal: the fault number as certain assessed form arranges as shown in table 1 below:
Table 1 fault verification correspondence table
3, arrange on the guidance panel of Programmable Dynamic fault verification unit and stir and different faults number each corresponding fault verification switch, as fault number 1, then stir fault verification switch 1 and put and connect position, fault verification switch 2 ~ 8 is put and is turned off position; As fault numbers 2, then stir fault verification switch 2 and put and connect position, fault verification switch 1,3 ~ 8 is put and is turned off position; By that analogy, 256 kinds of malfunctions are set by 8 fault verification switches 1 ~ 8;
4, according to fault number and fault verification switch corresponding relation and the corresponding table 1 of fault verification of assessed form and setting, write and debug the program of good PLC system corresponding with it, the fault of the digital output module of control PLC system exports; The corresponding table of such as fault verification has 200 kinds, then meeting control overflow program according to requiring to work out correspondence 200 kinds with it in table, can select flexibly, dynamic similation before student examines;
5, finally realize the setting of each fault, this example has open fault, short trouble, line-hit fault, wiring circuit contact bad error:
(1) open fault: a passive normal battle seals in 1N, 1N shown in Fig. 5 ' node by this example, and be path between 1N, 1N under normal circumstances ' (GZ1a, GZ1b) node, power supply normally works.ON position put by fault verification switch 1, and OFF position put by fault verification switch 2 ~ 8, and PLC programmed control simulated failure signal adds (GZ1a, GZ1b disconnect), analog line broken string or the fault that goes offline; After student finds this fault, teacher can remove this fault online, and circuit recovers normal;
(2) short trouble: a passive normal battle is incorporated in 103 shown in Fig. 5,107 nodes by this example, 103,107 (GZ2a, GZ2b) disconnects under normal circumstances, the conventional power supply 1KM duty of 1HR pilot lamp display.During fault simulation, fault verification switch 2 is put ON position, OFF position put by fault verification switch 1,3-8, and PLC programmed control fault simulation signal adds (GZ2a, GZ2b are closed), by node 103,107 short circuit, and 1HR pilot lamp Chang Liang.After student finds this fault, teacher can remove fault online, and circuit recovers normal;
(3) line-hit fault: a passive normal battle and undesired signal seal in 111 shown in Fig. 5,111 ' node by this example, 111,111 ' (GZ3a, GZ3b under normal circumstances, GZna, GZnb are closed) be path between node, 1KM can normally work.ON position put by fault verification switch 1 and 2, fault verification switch 3-8 puts OFF position, PLC programmed control simulated failure signal adds (GZ3a, GZ3b, GZna, GZnb disconnect), simulation interference coil (GRKA) is sealed in by GZna, GZnb, as GRKA coil of having connected again in 1KM wire loop, cause the not enough fault of 1KM exciting current.Undesired signal can be selected to add (such as seal in contactor coil, the internal resistance of analog line contactor increases) according to check requirements, and after student finds this fault, teacher can remove this fault online, and circuit recovers normal.Line-hit also can add Analog control loop, causes the phenomenon that analog quantity is interfered;
(4) wiring circuit contact bad error: a passive normal battle seals in 2N, 2N shown in Fig. 5 ' node by this example is path between 2N, 2N under normal circumstances ' (GZ4a, GZ4b are closed) node.ON position put by fault verification switch 3, and fault verification switch 1,2 and 4-8 put OFF position, PLC programmed control fault simulation signal adds (logical when breaking when GZ4a, GZ4b), analog line loose contact (shake) fault; After student finds this fault, teacher can remove this fault online, and circuit recovers normal.
It should be noted last that; although above embodiment has been described in detail with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to the technical program or equivalent replacement; and not departing from the spirit and scope of the technical program, it all should be encompassed in the middle of the scope of claim protection.
Claims (6)
1. a whole circuit able to programme dynamically electric failure simulation device, is characterized in that, which comprises at least: Programmable Dynamic fault verification unit, exercise cabinet interface unit and exercise cabinet; Described Programmable Dynamic fault verification unit is arranged for the dynamic similation realizing whole circuit fault, form primarily of PLC system, guidance panel, PLC system is made up of a power module, CPU module, a digital quantity input module and several digital output modules; Guidance panel is furnished with the fault verification switch of several fault categories, the digital quantity input module of each fault verification switch access PLC system; Described exercise cabinet interface unit is connected for the circuit realized between Programmable Dynamic fault verification unit with exercise cabinet, be made up of with the interface signal cable being connected above-mentioned both sides connection terminal Programmable Dynamic fault verification cell side connection terminal, exercise cabinet fault verification outlet side connection terminal, Programmable Dynamic fault verification cell side connection terminal is connected with the output terminal of each digital output module; Described exercise cabinet fault verification outlet side connection terminal is connected with exercise cabinet.
2. whole circuit able to programme according to claim 1 dynamically electric failure simulation device, it is characterized in that, described PLC system is positioned at exercise cabinet, and guidance panel is positioned on exercise cabinet front panel.
3. whole circuit able to programme according to claim 1 dynamically electric failure simulation device, is characterized in that described guidance panel being furnished with the fault verification switch of 8 fault categories, the digital quantity input module of each fault verification switch access PLC system.
4. whole circuit able to programme according to claim 1 dynamically electric failure simulation device, it is characterized in that, described exercise cabinet is that the high voltage control cabinet of power supply-distribution system or the electrical control cubicles of instrument and meter for automation or motor drag control electrical control cubicles or PLC system switch board electrically and the electrical control cubicles of automatic meter system.
5., according to a method for the dynamic electrically failure simulation device simulated failure of above-mentioned whole circuit able to programme, it is characterized in that, comprise the steps:
1) according to concrete assessed form, exercise cabinet is transformed, draw all exercise cabinet fault verification outlet side connection terminals linking to exercise cabinet interface unit needing simulated failure point;
2) different faults number is set according to practising cabinet fault verification outlet side connection terminal in step 1);
3) arrange on the guidance panel of Programmable Dynamic fault verification unit and stir and different faults number each corresponding fault verification switch;
4) according to assessed form and step 2) ~ 3) fault that arranges number and fault verification switch corresponding relation, write and debug good PLC system corresponding with it, the fault output of the digital output module of control PLC system;
5) setting of each fault is realized eventually through the dynamic electrically failure simulation device of whole circuit able to programme.
6. whole circuit able to programme according to claim 5 dynamically electric failure simulation method, it is characterized in that, in described step 5), the whole circuit able to programme whole circuit fault that dynamically electrically failure simulation device is simulated comprises open fault, short trouble, line-hit fault, wiring circuit contact bad error, power supply disturbance fault.
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Cited By (7)
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| CN105702142A (en) * | 2016-04-08 | 2016-06-22 | 高柱明 | Universal fault box applied to household electronic product training evaluation |
| CN106898181A (en) * | 2017-03-23 | 2017-06-27 | 杭州电子科技大学 | A kind of supply and distribution network fault simulation training system towards colliery skilled worker training |
| CN107918351A (en) * | 2017-12-12 | 2018-04-17 | 柳州铁道职业技术学院 | A kind of automatic production line work station intelligent training checking system based on PLC |
| CN108091224A (en) * | 2017-12-28 | 2018-05-29 | 山东交通学院 | Suitable for the experiment plate and experimental method of track circuit equipment |
| CN109188295A (en) * | 2018-09-06 | 2019-01-11 | 广州锦红源电子科技有限公司 | Battery cell failure simulator |
| CN111176924A (en) * | 2019-12-21 | 2020-05-19 | 苏州浪潮智能科技有限公司 | GPU card dropping simulation method, system, terminal and storage medium |
| CN113791573A (en) * | 2021-09-10 | 2021-12-14 | 湖南辰州矿业有限责任公司 | Mine aerial passenger device fault detection device |
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| CN113791573A (en) * | 2021-09-10 | 2021-12-14 | 湖南辰州矿业有限责任公司 | Mine aerial passenger device fault detection device |
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