CN204257085U - Converting equipment electric control system failure simulation device - Google Patents
Converting equipment electric control system failure simulation device Download PDFInfo
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- CN204257085U CN204257085U CN201420713322.6U CN201420713322U CN204257085U CN 204257085 U CN204257085 U CN 204257085U CN 201420713322 U CN201420713322 U CN 201420713322U CN 204257085 U CN204257085 U CN 204257085U
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- system failure
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Abstract
The utility model provides a kind of converting equipment electric control system failure simulation device, be applicable to use isolating switch or disconnector to realize the training system of fault simulation, comprise: touch control unit, have in order to display and the monitoring interface controlling described fault simulation circuit, comprise some virtual push buttons, the corresponding instruction respectively of each virtual push button; Receive a PLC control unit of the instruction that described touch control unit sends; The relay group be connected with the output terminal of described PLC control unit; The wire of the secondary control loop of described isolating switch and disconnector is corresponding with some normally closed contacts of relay group to be connected; Described PLC control unit is in order to control the opening and closing of normally closed contact and to record the open and-shut mode of normally closed contact.There is electrical equipment without the need to repeatedly dismantling; Fault is disguised strong; New fault can not be formed during malfunction elimination; The Wiring technique of entire system can not be destroyed; The setting of trouble spot is by being subject to the advantages such as electric component installation location restriction.
Description
Technical field
The utility model relates to technical field of electric control, is specifically related to a kind of converting equipment electric control system failure simulation device.
Background technology
For many years, in training practice process, in order to demonstrate or reproduce the phenomenon of the failure in converting equipment electric control system, mostly adopt in the industry traditional fault simulation method to set up, namely in mimic channel, wire and terminal are isolated by the connection terminal place insulating material of element, and then realize the simulation of control system fault.There is the drawback being difficult to overcome in the method, such as: element is repeatedly dismantled and very easily damaged; Fault is disguised poor, and reliability is low; Induction is intuitively searched, is ignored failure reason analysis; Very easily form new fault during malfunction elimination, reduce training efficiency; The Wiring technique of the wire meeting breaking plant entirety through repeatedly dismantling, reassembling; The setting of trouble spot limits by component installation location; Arrange and fix a breakdown in training and there is dangerous operation factor etc.
Utility model content
For the problems referred to above, the purpose of this utility model is to provide a kind of converting equipment electric control system failure simulation device, be applicable to use disconnector or isolating switch to realize the training system of fault simulation, traditional drawback can be overcome and enhancement training effect, gear to actual circumstances scene, and be convenient to student's operation, portable good, teacher is easy to maintenance.
To achieve these goals, the technical scheme that the utility model is taked is:
A kind of converting equipment electric control system failure simulation device, is applicable to use isolating switch or disconnector to realize the training system of fault simulation, comprises:
One touch control unit, has a monitoring interface of the secondary control loop showing described isolating switch or disconnector, comprises some virtual push buttons, the corresponding instruction respectively of each virtual push button;
Receive a PLC control unit of the instruction that described touch control unit sends;
The relay group be connected with the output terminal of described PLC control unit;
The wire of the secondary control loop of described isolating switch or disconnector is corresponding with some normally closed contacts of relay group to be connected;
Described PLC control unit is in order to control the opening and closing of normally closed contact and to record the open and-shut mode of normally closed contact.
In an embodiment of the present utility model, described touch control unit is a touch-screen.
In an embodiment of the present utility model, described touch-screen sends signal by pc-ppi communication modes to PLC control unit.
In an embodiment of the present utility model, described monitoring interface is made by kingview.
In an embodiment of the present utility model, described PLC control unit comprises a PLC master station and some PLC slave stations, passes through rs485 communication modes transmission of signal between PLC main website and PLC slave station.
In an embodiment of the present utility model, described converting equipment electric control system failure simulation device also comprises a Switching Power Supply, in order to power to relay group.
By taking such scheme, the utility model has following advantages and good effect: have the several functions such as training and learning, theoretical validation, practical operation, examination examination, its use safety, simple operation.Particularly, converting equipment electric control system failure simulation device of the present utility model has: electrical equipment, without the need to repeatedly dismantling, reduces the wastage; Fault is disguised strong, and reliability is high; Trainer can not be induced intuitively to search, supervise it to analyze failure cause; New fault can not be formed, enhancement training efficiency during malfunction elimination; The Wiring technique of entire system can not be destroyed; The setting of trouble spot is by being subject to the advantages such as electric component installation location restriction.Electrician can be met and examine converting equipment practical training project needs in qualification, also can be applicable to power supply bureau in countryside and the daily technique drill of power distribution rush-repair care workers simultaneously.This device is applicable to each work verification of professional technical ability department, electric power system grass-roots unit, training on electric power department, college, technical school, vocational school.
Accompanying drawing explanation
Fig. 1 is the module composition schematic diagram of converting equipment electric control system failure simulation device in the utility model embodiment.
Fig. 2 is the circuit diagram of the secondary control loop of LW30-72.5T type isolating switch in the utility model embodiment.
Fig. 3 is the communication connection diagram of converting equipment electric control system failure simulation device in the utility model embodiment.
Description of reference numerals: contact link position in P1-P15 virtual push button corresponding lead; CJX-anti-trip relay; JS-message register; The little auxiliary switch of DT-; DL-auxiliary switch; TQ-switching winding; HQ-closing coil; M-energy storage motor; 1ZJ, 2ZJ-auxiliary reclay; HK-switch; SA-operating switch; ZK-automatic switch; CK-travel switch; KM-contactor; MTK-density controller.
Embodiment
For making above-mentioned feature and advantage of the present utility model become apparent, special embodiment below, and coordinate institute's accompanying drawing to be described in detail below.
First, form functional module of the present utility model, communication modes and circuit formation explain as follows one by one:
Functional module and communication modes:
Functional module composition schematic diagram as shown in Figure 1, converting equipment electric control system failure simulation device of the present utility model, comprise: as the touch-screen of touch control unit, PLC control unit, relay group and Switching Power Supply, in order to control isolating switch or disconnector.It should be noted that, only do the signal of functional module in figure, in fact, relay group can't control isolating switch and disconnector simultaneously, when realizing fault simulation with isolating switch, relay group just controls isolating switch, and when realizing fault simulation with disconnector, relay group just controls disconnector, therefore, diagram is interpreted as, and can control isolating switch and can control disconnector again, but is connected with disconnector with relay group while of being not defined as.
Corresponding fault contact in the secondary control loop of relay group connecting breaker or disconnector, in order to disconnect the wire of secondary control loop.
The picture of touch-screen and monitoring interface, made by kingview, and it, sends instructions to PLC control unit by pc-ppi communication modes as host computer.The situation of the corresponding a kind of fault simulation of every bar instruction.
PLC control unit adopts Siemens cpu226cn, the command signal from touch-screen is received by pc-ppi communication modes, and then the cut-offfing of pilot relay group or disconnector group, while the wire of the secondary control loop of pilot relay group or disconnector cut-offs, produce a logical signal, in order to record the open and-shut mode of relay group.
In addition, the equipment identical in order to the fairness multiple stage in skill examination has identical action at one time, as shown in Figure 3, PLC control unit comprises main website PLC and multiple slave station PLC, and (the present embodiment is three, the utility model is not restricted this), main website PLC by rs485 communication modes, main website PLC internal logic signal, namely the corresponding actions state of relay group issues slave station PLC, makes its action all identical.Thus, the identical multiple relay group of model or disconnector group can be controlled by a touch-screen, facilitate the operation of counselor.Only need add 485 communication lines between main website PLC and slave station PLC, a touch-screen can be realized and control multiple fault simulation circuit, and then realize multiple stage fault simulation equipment fault simulation is set simultaneously.The wire of the secondary control loop of isolating switch or disconnector is connected the normally closed contact of relay group, then by the opening and closing of PLC control unit pilot relay group, different faults can be simulated.
Switching Power Supply is in order to power to relay group.
Circuit forms:
Fig. 2 is the circuit diagram of the secondary control loop of the LW30-72.5T type isolating switch realizing fault simulation, comprises control loop and tank circuit.Control loop comprises closing circuit, counting circuit, anti-jump loop, sub-gate circuit, infrabar locked loop and low pressure alarming loop; Tank circuit comprises motor tank circuit and energy storage control loop.As mentioned before, PLC control unit accepts cut-offfing of the signal control relay group provided from touch-screen by pc-ppi communication, the respective wire of relay group and then disconnection two control loops, that is, can divide-shut brake button SA, distant place switch and power switch on the spot in simulated operation LW30-72.5T type isolating switch by touch-screen.And the relay auxiliary contact of auxiliary contacts of circuit breaker, travel switch auxiliary contact, anti-trip relay auxiliary contact, energy storage motor auxiliary contact, infrabar locked loop, the action situation of infrabar warning auxiliary contact can be watched by the monitoring interface of touch-screen in operation, contribute to that trainer is clearer understands its principle; Link position P1-P15 in contact in virtual push button corresponding lead can be controlled by the virtual push button being denoted as P1-P15 in the monitoring interface of touch-screen, and then arrange arbitrarily can not close a floodgate, can not separating brake, can not divide-shut brake, energy storage failure, signal circuit can not show, close a floodgate can not self-locking, separating brake can not the simulation of the fault such as self-locking, after fault verification completes, according to the method for circuit breaker failure phenomenon training operator to the analysis of fault, judgement and eliminating.
Lower mask body introduces the circuit composition of the secondary control loop of LW30-72.5T type isolating switch:
Anti-trip relay CJX, fail to return (the non-release handle of such as operating personnel in time in order to prevent the combined floodgate contact because of gauge tap or aut.eq., aut.eq. combined floodgate contact adhesion) and just in time close a floodgate on faulty line and equipment, cause isolating switch to suit phenomenon continuously.Prevent isolating switch auxiliary contact adjustment improper (conjugate slow) because of tripping operation from causing the elder generation's current interruption of protection exit contact and the phenomenon of burning.
Density controller MTK, SF
6(sulfur fluoride) density controller, for monitoring SF
6sF in high-voltage electrical equipment air chamber
6gas density; And when Leakage Gas appears in air chamber, send tonifying Qi, block signal, to ensure the safe operation of equipment.Complete test pressure and temperature compensation function by two C type bourdon tubes, a bourdon tube is for measuring detected SF
6the pressure of gas, another bourdon tube, is filled with the SF of certain pressure 20 DEG C time
6gas, is formed and compensates air chamber, and when temperature variation causes pressure alteration, two bourdon tubes expand (or contraction) simultaneously, and the incremental deformation making it produce is cancelled out each other, and density controller indicated value is constant.Only has the SF when main gas tank
6during Leakage Gas, detector tube pressure reduces, and density indicated value reduces, and electric contact adhesive, sends warning, block signal.
The principle of auxiliary reclay 1ZJ, 2ZJ is the same with A.C. contactor, is all made up of secured core, dynamic iron core, spring, moving contact, stationary contact, coil, connecting terminal box shell.Coil electricity, the action adhesive under electromagnetic force of dynamic iron core drives moving contact action, and make normally closed contact separately, normally opened contact closes; Coil blackout, dynamic iron core drives moving contact to reset under the action of the spring.
Other auxiliary and control elements, it is well-known that principle of work as message register JS, little auxiliary switch DT, auxiliary switch DL, switching winding TQ, closing coil HQ, energy storage motor M, switch HK, operating switch SA, automatic switch ZK, travel switch CK and contactor KM etc. should be those skilled in the art institute, do not repeat them here.
When specifically arranging fault simulation, contact link position P1-P15 in wire in virtual knob P1-P15 corresponding diagram 2 on the touchscreen, i.e. trouble spot, can arrange fault arbitrarily quickly on the touchscreen by virtual push button.As long as click wherein any one virtual push button, place, the trouble spot wire of its correspondence will disconnect.It is as follows that fault embodiment is specifically set:
Embodiment 1:
Can not energy storage fault as arranged, only need click P10 on the touchscreen, button becomes red by blueness, and the corresponding failure point of the contact link position P10 on the wire of tank circuit can become a red fork and show, and has fault with text prompt tank circuit.The virtual relay of M series of the virtual push button P10 on touch-screen and PLC inside is associated, when pressing virtual push button P10, the corresponding virtual relay of PLC inside is put 1, the output point adhesive of its correspondence is controlled by the logical calculated of PLC inside, control the relay of tank circuit in actuating switch power supply and relay group, relay adhesive disconnects and is connected on its normally closed contact tank circuit.Student, according to the fault of isolating switch, uses corresponding survey instrument, finds out the position of trouble spot and gets rid of.
Embodiment 2:
Can not Closing fault as arranged isolating switch, at the normally closed contact of closing circuit series relay group, then be associated by the internal virtual relay of virtual push button P1 and PLC on touch-screen, virtual push button P1 on point touching screen carrys out the actuating of relay of control PLC internal virtual, Logic judgment control PLC according to PLC internal relay exports, carry out the action of pilot relay group, disconnect closing circuit.
The set-up mode of other trouble spot with can not energy storage fault and can not Closing fault similar.Those skilled in the art, after learning above-mentioned disclosure, should derive voluntarily and draw.In addition, the utility model only adopts above-described embodiment in order to illustrate, but protection domain of the present utility model is not limited to this, adopt the isolating switch of other models or disconnector carry out fault simulation therewith situation class this, do not repeat them here.The protection domain that protection domain of the present utility model should define with claims is as the criterion.
Claims (6)
1. a converting equipment electric control system failure simulation device, is applicable to use isolating switch or disconnector to realize the training system of fault simulation, it is characterized in that, comprising:
One touch control unit, has a monitoring interface of the secondary control loop showing described isolating switch or disconnector;
Receive a PLC control unit of the instruction that described touch control unit sends;
The relay group be connected with the output terminal of described PLC control unit;
The wire of the secondary control loop of described isolating switch or disconnector is corresponding with some normally closed contacts of relay group to be connected.
2. converting equipment electric control system failure simulation device as claimed in claim 1, it is characterized in that, described touch control unit is a touch-screen.
3. converting equipment electric control system failure simulation device as claimed in claim 2, it is characterized in that, described touch-screen sends instruction by pc-ppi communication modes to PLC control unit.
4. converting equipment electric control system failure simulation device as claimed in claim 1, it is characterized in that, described PLC control unit comprises a PLC master station and some PLC slave stations, passes through rs485 communication modes transmission of signal between PLC master station and PLC slave station.
5. converting equipment electric control system failure simulation device as claimed in claim 1, it is characterized in that, described converting equipment electric control system failure simulation device also comprises a Switching Power Supply, is electrically connected with relay group.
6. converting equipment electric control system failure simulation device as claimed in claim 1, is characterized in that, described Selection of Circuit Breakers LW30-72.5T type isolating switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420713322.6U CN204257085U (en) | 2014-11-24 | 2014-11-24 | Converting equipment electric control system failure simulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420713322.6U CN204257085U (en) | 2014-11-24 | 2014-11-24 | Converting equipment electric control system failure simulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204257085U true CN204257085U (en) | 2015-04-08 |
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ID=52961368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420713322.6U Expired - Fee Related CN204257085U (en) | 2014-11-24 | 2014-11-24 | Converting equipment electric control system failure simulation device |
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| CN (1) | CN204257085U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104933921A (en) * | 2015-06-26 | 2015-09-23 | 浙江亚龙教育装备股份有限公司 | Answering system, and client and client system used for answering |
| CN105788392A (en) * | 2016-04-07 | 2016-07-20 | 国网浙江省电力公司台州供电公司 | Training apparatus for electric power system |
| CN106708156A (en) * | 2016-12-19 | 2017-05-24 | 南京三光电科技有限公司 | Alternating current-direct current power source system based on PLC control and control method |
| CN108074430A (en) * | 2016-11-15 | 2018-05-25 | 天津中德应用技术大学 | Electric fault sets system and method |
| CN117334120A (en) * | 2023-12-01 | 2024-01-02 | 四川职业技术学院 | Electrical control system teaching aid and application method thereof |
-
2014
- 2014-11-24 CN CN201420713322.6U patent/CN204257085U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104933921A (en) * | 2015-06-26 | 2015-09-23 | 浙江亚龙教育装备股份有限公司 | Answering system, and client and client system used for answering |
| CN105788392A (en) * | 2016-04-07 | 2016-07-20 | 国网浙江省电力公司台州供电公司 | Training apparatus for electric power system |
| CN105788392B (en) * | 2016-04-07 | 2019-02-15 | 国网浙江省电力公司台州供电公司 | A kind of Power system tranining device |
| CN108074430A (en) * | 2016-11-15 | 2018-05-25 | 天津中德应用技术大学 | Electric fault sets system and method |
| CN106708156A (en) * | 2016-12-19 | 2017-05-24 | 南京三光电科技有限公司 | Alternating current-direct current power source system based on PLC control and control method |
| CN106708156B (en) * | 2016-12-19 | 2017-11-24 | 南京三一光电科技有限公司 | A kind of power of alterating and direct current system and control method based on PLC controls |
| CN117334120A (en) * | 2023-12-01 | 2024-01-02 | 四川职业技术学院 | Electrical control system teaching aid and application method thereof |
| CN117334120B (en) * | 2023-12-01 | 2024-02-02 | 四川职业技术学院 | Electrical control system teaching aid and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150408 Termination date: 20181124 |
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| CF01 | Termination of patent right due to non-payment of annual fee |