CN209417960U - It corrects errors with wiring and connects electric actual training device with the dress table of fabrication evaluation - Google Patents
It corrects errors with wiring and connects electric actual training device with the dress table of fabrication evaluation Download PDFInfo
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- CN209417960U CN209417960U CN201820882977.4U CN201820882977U CN209417960U CN 209417960 U CN209417960 U CN 209417960U CN 201820882977 U CN201820882977 U CN 201820882977U CN 209417960 U CN209417960 U CN 209417960U
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Abstract
The utility model relates to a kind of correct errors with wiring to connect electric actual training device with the dress table of fabrication evaluation, electric training cabinet is connect including high press fitting table and low pressure dress table connects electric training cabinet, and high press fitting table, which connects electric training cabinet, has the function of the positive error detection training of the training of wiring technique, wiring, fault simulation training；Low pressure dress table, which connects electric training cabinet, has the function of the training of wiring technique, apparatus measures training, fault simulation training；It can be giveed training and be checked and rated by standardized work flows completely, and can also realize that wiring is corrected errors and fabrication evaluation, training efficiency height substantially increase fair, the just performance of examination.
Description
Technical field
It is the utility model relates to power industry training device, in particular to a kind of to correct errors and fabrication evaluation with wiring
Dress table connects electric actual training device.
Background technique
Existing dress table connects electric Practical training equipment and has a single function, and student is unable to autonomous learning, and appraisal result man's activity is big.Mesh
Preceding dress table connects the problem of electric Practical training equipment is primarily present are as follows: training function is not perfect.
Summary of the invention
The purpose of this utility model is in view of the deficiencies of the prior art, to provide and a kind of correct errors and fabrication evaluation with wiring
Dress table connects electric actual training device, there is dress table to connect electric installation training, dress table connects electricity debugging real training and dress table connects electric fault investigation in fact
Function is instructed, perfect in shape and function can be giveed training by standardized work flows completely, and since wiring may be implemented in the utility model
It corrects errors and fabrication evaluation, training efficiency height substantially increases fair, the just performance of examination.
The technical solution of the utility model is: a kind of correct errors with wiring connects electric actual training device with the dress table of fabrication evaluation,
Electric training cabinet is connect including high press fitting table and low pressure dress table connects electric training cabinet, and the high press fitting table, which connects to be equipped in electric training cabinet, to be used for
High press fitting table, which is carried out, for student connects the high pressure simulation current transformer of electric installation training, high pressure simulation voltage transformer, high-voltage electricity
Energy gauge table and simulation connection box, and for providing the power supply of operating voltage, operating current；The low pressure dress table connects electricity
Low-voltage simulation current transformer, low-voltage electric energy metering for carrying out low pressure dress table installation training for student is installed in training cabinet
Table and simulation connection box, and for providing the power supply of operating voltage, operating current；The high press fitting table connects electric training cabinet
Or low pressure dress table connects and is equipped with technique photographic device in electric training cabinet, for connecing electricity according to high press fitting table of the command signal to student
Wiring is shot, and the picture after shooting is passed to computer, and the computer receives the figure of technique photographic device transmitting
Piece is saved and is shown；It further includes the electrical energy measurement dress for the positive error detection training of wiring that the high press fitting table, which connects electric training cabinet,
It sets wiring to correct errors identification device, the electric energy metering device wiring corrects errors identification device with intelligent detecting function, can examine automatically
The voltage circuit of judgement installation wiring, the error or fault of current loop are surveyed, and issues failure instruction；The electric energy metering device
Wiring identification device of correcting errors for the wiring that will test data of correcting errors passes to computer, and the computer receives electrical energy measurement dress
The correct errors wiring data of correcting errors of identification device transmitting of wiring are set to be saved and shown.
Correct errors identification device every phase current, voltage in indicating fault of electric energy metering device wiring independently indicates, when electric current,
For voltage circuit there are when failure, there are the circuits of failure to issue indicating fault, and electric current, the voltage circuit energy of failure is not present in remaining
It operates normally.
Technique photographic device receives terminal by wireless data and computer carries out communication connection；Electric energy metering device wiring
Identification device of correcting errors carries out communication connection by 485 data receiving terminals and computer.
High pressure simulation current transformer, high pressure simulation voltage transformer, simulation connection box set with high voltage fault control respectively
Device electrical connection processed, high voltage fault setting controller is connect with computer, for receiving the command signal of computer, output control respectively
Signal processed controls high pressure simulation Current Mutual Inductance to high pressure simulation current transformer, high pressure simulation voltage transformer, simulation connection box
Device carries out secondary pendant polar positive and negative fault simulation setting, the on-off fault simulation setting of route, the simulation setting of no-load voltage ratio switch failure；
And control high pressure simulation voltage transformer carries out the setting of Phase-Sequence Transformation fault simulation, single-phase on-off fault simulation setting, lacks
Phase fault simulation setting；And control simulation connection box carries out open circuit fault simulation setting, the exceeded fault simulation of impedance loop is set
It sets, connects the various failures of electricity for high press fitting table and lead to a phenomenon and consequence observation analysis real training；
Low-voltage simulation current transformer, simulation connection box are electrically connected with low voltage failure setting controller respectively, low voltage failure
Setting controller is connect with computer, for receiving the command signal of computer, is exported control signal respectively and is given low-voltage simulation electricity
Current transformer, simulation connection box, control low pressure dress table connect the low-voltage simulation current transformer in electric training cabinet and carry out secondary side pole
Property positive and negative fault simulation setting, the on-off fault simulation setting of route, the simulation setting of no-load voltage ratio switch failure；And control simulation connects
Wire box carries out open circuit fault simulation setting, the exceeded fault simulation setting of impedance loop, connects the various failures of electricity for low pressure dress table and produces
Raw phenomenon and consequence observation analysis real training；
The high voltage fault setting controller includes Switching Power Supply and PLC controller or single-chip microcontroller, and the Switching Power Supply is used
It powers in PLC controller, the output end of the PLC controller is connected with several intermediate relays, for controlling intermediate relay
The energization or power-off of device, each intermediate relay are mutual for respectively corresponding control high pressure simulation current transformer, high pressure simulation voltage
The energization or power-off of sensor, the contactor in simulation connection box or relay control high pressure simulation current transformer, high pressure respectively
Analog voltage mutual inductor, simulation connection box carry out high voltage fault setting；The low voltage failure setting controller includes Switching Power Supply
With PLC controller or single-chip microcontroller, the Switching Power Supply is used to power to PLC controller, the output end connection of the PLC controller
There are several intermediate relays, for controlling the energization or power-off of intermediate relay, each intermediate relay is for respectively corresponding control
The energization or power-off of low-voltage simulation current transformer, the contactor in simulation connection box or relay, control low-voltage simulation respectively
Current transformer, simulation connection box carry out low voltage failure setting；It is logical that high voltage fault sets controller, low voltage failure setting controller
It crosses 485 data receiving terminals and computer carries out communication connection；
The high press fitting table connects the primary side of the high pressure simulation current transformer in electric training cabinet and the electric current of power supply
Output end connection, current input terminal of the secondary side of high pressure simulation current transformer through simulation connection box Yu high-voltage electric energy measurement table
Connection, the primary side of high pressure simulation voltage transformer and the voltage output end of power supply connect, high pressure simulation voltage transformer
Secondary side connect through simulation connection box with the voltage input end of high-voltage electric energy measurement table；The low pressure dress table connects in electric training cabinet
Low-voltage simulation current transformer primary side and power supply current output terminal connect, the two of low-voltage simulation current transformer
Secondary side is connect through simulation connection box with the current input terminal of low-voltage electric energy metering table, the voltage input end warp of low-voltage electric energy metering table
The connection of the voltage output end of simulation connection box and power supply.
The failure setting controller of the utility model can use PLC controller or, or using single-chip microcontroller.
The high pressure simulation current transformer includes for carrying out the high-voltage electricity that high press fitting table connects electric installation training for student
Current transformer shell and for for student carry out malfunction elimination real training high-tension current inductor analog circuit, the high-voltage electricity
Current transformer analog circuit includes several relays and one or more current transformer Ta, when current transformer Ta is multiple
When, primary side p1, p2 of multiple current transformer Ta is connected between current input terminal P1 and current input terminal P2, each electricity
Secondary side s1, s2 of current transformer Ta is connect through no-load voltage ratio switching relay with current output terminal S1, S2 respectively, each no-load voltage ratio switching
Route is logical between secondary side s1, the s2 and current output terminal S1, S2 of relay for corresponding to each current transformer Ta of control
It is disconnected, and by removing no-load voltage ratio between the secondary side s1 and secondary side s2 of current transformer Ta corresponding with no-load voltage ratio switching relay J36
The auxiliary contact for switching other each no-load voltage ratio switching relays except relay J36 are shorted, and make to switch relay J36 when no-load voltage ratio
When closure, it is not shorted, removes between the secondary side s1 and secondary side s2 of current transformer Ta corresponding with no-load voltage ratio switching relay J36
No-load voltage ratio switches the secondary side s1 and two that other each no-load voltage ratios except relay J36 switch the corresponding current transformer Ta of relay
It is shorted between secondary side s2；
When current transformer Ta is one, the primary side p1 of current transformer Ta is connect with current input terminal P1,
The primary side p2 of current transformer Ta is connect with current input terminal P2, secondary side s1, s2 of current transformer Ta respectively with
Current output terminal S1, S2 connection；
Route is equipped with for controlling route between the secondary side s1 and current output terminal S1 of the current transformer Ta
Route is equipped with for controlling between the secondary side s2 and current output terminal S2 of the relay J3, the current transformer Ta of on-off
The relay J4 of circuit on-off processed；Route between secondary side s1, s2 and current output terminal S1, S2 of the current transformer Ta
It is equipped with for controlling the positive and negative relay J1 of secondary polarity, relay J2；One end of the first contact of relay J1 be used for
The secondary side s1 connection of current transformer Ta, the other end of the first contact of relay J1 are used to connect with current output terminal S1
It connects, one end of the second contact of relay J1 with the secondary side s2 of current transformer Ta for connecting, the second touching of relay J1
For connecting with current output terminal S2, one end of the first contact of relay J2 is used for and current transformer Ta the other end of point
Secondary side s1 connection, the other end of the first contact of relay J1 for being connect with current output terminal S2, relay J2's
For connecting with the secondary side s2 of current transformer Ta, the other end of the second contact of relay J1 is used for for one end of second contact
It is connect with current output terminal S1；Each relay is connect with high voltage fault setting controller, and high voltage fault setting controller is used for
The energization or power-off for controlling each relay, control the closing or opening of the contact of relay；Current input terminal P1, P2 are for dividing
It is not connect with the current output terminal of primary side connecting terminal or power supply on high-tension current inductor shell, current output terminal
Sub- S1, S2 are based on respectively with the secondary side connecting terminal or simulation connection box or high voltage electric energy on high-tension current inductor shell
The current input terminal of scale connects；The high-tension current inductor shell, high voltage potential transformer shell, simulation connection box, height
Pressure electric energy meter is separately mounted to high press fitting table and connects on the operating surface being arranged in the cabinet body of electric training cabinet, carries out high pressure for student
Dress table connects galvanic process training on installation.Current transformer Ta is ordinary electric current mutual-inductor.High-tension current inductor analog circuit can be with
It is arranged in high-tension current inductor shell, also can be set outside high-tension current inductor shell.
The low-voltage simulation current transformer includes for carrying out the low tension that low pressure dress table connects electric installation training for student
Current transformer shell and for for student carry out malfunction elimination real training low-voltage current mutual inductor analog circuit, the low tension
Current transformer analog circuit includes several relays and one or more current transformer Ta, when current transformer Ta is multiple
When, primary side p1, p2 of multiple current transformer Ta is connected between current input terminal P1 and current input terminal P2, each electricity
Secondary side s1, s2 of current transformer Ta is connect through no-load voltage ratio switching relay with current output terminal S1, S2 respectively, each no-load voltage ratio switching
Route is logical between secondary side s1, the s2 and current output terminal S1, S2 of relay for corresponding to each current transformer Ta of control
It is disconnected, and by removing no-load voltage ratio between the secondary side s1 and secondary side s2 of current transformer Ta corresponding with no-load voltage ratio switching relay J34
The auxiliary contact for switching other each no-load voltage ratio switching relays except relay J34 are shorted, and make to switch relay J34 when no-load voltage ratio
When closure, it is not shorted, removes between the secondary side s1 and secondary side s2 of current transformer Ta corresponding with no-load voltage ratio switching relay J34
No-load voltage ratio switches the secondary side s1 and two that other each no-load voltage ratios except relay J34 switch the corresponding current transformer Ta of relay
It is shorted between secondary side s2；
When current transformer Ta is one, the primary side p1 of current transformer Ta is connect with current input terminal P1,
The primary side p2 of current transformer Ta is connect with current input terminal P2, secondary side s1, s2 of current transformer Ta respectively with
Current output terminal S1, S2 connection；
Route is equipped with for controlling route between the secondary side s1 and current output terminal S1 of the current transformer Ta
Route is equipped with for controlling between the secondary side s2 and current output terminal S2 of the relay J3, the current transformer Ta of on-off
The relay J4 of circuit on-off processed；Route between secondary side s1, s2 and current output terminal S1, S2 of the current transformer Ta
It is equipped with for controlling the positive and negative relay J1 of secondary polarity, relay J2；One end of the first contact of relay J1 be used for
The secondary side s1 connection of current transformer Ta, the other end of the first contact of relay J1 are used to connect with current output terminal S1
It connects, one end of the second contact of relay J1 with the secondary side s2 of current transformer Ta for connecting, the second touching of relay J1
For connecting with current output terminal S2, one end of the first contact of relay J2 is used for and current transformer Ta the other end of point
Secondary side s1 connection, the other end of the first contact of relay J1 for being connect with current output terminal S2, relay J2's
For connecting with the secondary side s2 of current transformer Ta, the other end of the second contact of relay J1 is used for for one end of second contact
It is connect with current output terminal S1；Each relay is connect with low voltage failure setting controller, and low voltage failure setting controller is used for
The energization or power-off for controlling each relay, control the closing or opening of the contact of relay；Current input terminal P1, P2 are for dividing
It is not connect with the primary side connecting terminal on the current output terminal of power supply or low-voltage current mutual inductor shell, current output terminal
Sub- S1, S2 are based on respectively with the secondary side connecting terminal or simulation connection box or low-voltage electric energy on low-voltage current mutual inductor shell
The current input terminal of scale connects；The low-voltage current mutual inductor shell, simulation connection box, low-voltage electric energy metering table are installed respectively
On the operating surface being arranged in the cabinet body that low pressure dress table connects electric training cabinet, low pressure dress table is carried out for student and connects galvanic process installation training
Instruction；The mother of the voltage output end setting of the primary side connecting terminal and power supply that are arranged on the low-voltage current mutual inductor shell
Line row's connection.The electricity of the primary side connecting terminal P1 and power supply that are arranged on low-voltage current mutual inductor shell described in the present embodiment
The bus bar connection of output end setting is pressed, the primary side connecting terminal P2 being arranged on low-voltage current mutual inductor shell is used for and low pressure
Dress table connects the leading-out terminal connection of electric training cabinet.The primary side connecting terminal P1 and one being arranged on the low-voltage current mutual inductor shell
The secondary sub- P2 of side terminal is shorted.Low-voltage current mutual inductor analog circuit is arranged outside low-voltage current mutual inductor shell.Current Mutual Inductance
Device Ta is ordinary electric current mutual-inductor.
The analog voltage mutual inductor includes for carrying out two high-voltage electricity that high press fitting table connects electric installation training for student
Press transformer housing and the high voltage potential transformer analog circuit for carrying out malfunction elimination real training for student, the high-voltage electricity
Pressure mutual inductor analog circuit includes three-phase transformer and several control switches, and the primary side A of the three-phase transformer is through the first control
System switch is connect with voltage wiring terminal A, the primary side B of the three-phase transformer through the second control switch respectively with voltage link
The primary side C of terminal B connection, the three-phase transformer is connect through third control switch with voltage wiring terminal C；Three phase transformation
The secondary side a of depressor is respectively through the 4th control switch, the 5th control switch, the 6th control switch and voltage wiring terminal a, b, c
Connection, the secondary side b of the three-phase transformer is respectively through the 7th control switch, the 8th control switch, the 9th control switch and electricity
Line terminals a, b, c connection are crimped, the secondary side c of the three-phase transformer is through the tenth control switch, the 11st control switch, the tenth
Two control switches are connect with voltage wiring terminal a, b, c respectively；
First control switch, the second control switch, third control switch, the 4th control switch, the 5th control switch,
6th control switch, the 7th control switch, the 8th control switch, the 9th control switch, the tenth control switch, the 11st control are opened
Pass, the 12nd control switch are connect with high voltage fault setting controller, and high voltage fault setting controller is opened for controlling each control
The closing or opening of pass；Contactor or relay is respectively adopted in each control switch；
Primary side connecting terminal A on first high voltage potential transformer shell is connect with voltage wiring terminal A, the first high pressure
The primary side connecting terminal on primary side connecting terminal B and the second high voltage potential transformer shell on voltage transformer shell
A is connect with voltage wiring terminal B, and the primary side connecting terminal B on the second high voltage potential transformer shell with voltage for connecing
Line terminals C connection, the secondary side connecting terminal a on the first high voltage potential transformer shell are connect with voltage wiring terminal a, and first
The secondary side wiring on secondary side connecting terminal b and the second high voltage potential transformer shell on high voltage potential transformer shell
Terminal a is connect with voltage wiring terminal b, and the secondary side connecting terminal b on the second high voltage potential transformer shell is used for and electricity
Crimp line terminals c connection；
Primary side connecting terminal A on first high voltage potential transformer shell is used to export with the U phase voltage of power supply
End connects, on the primary side connecting terminal B and the second high voltage potential transformer shell on the first high voltage potential transformer shell
Primary side connecting terminal A connect with the V phase voltage output end of power supply, one on the second high voltage potential transformer shell
The secondary sub- B of side terminal is secondary on the first high voltage potential transformer shell for connecting with the W phase voltage output end of power supply
The sub- a of side terminal is used to connect with the U phase voltage input terminal of the voltage input terminal a of simulation connection box or high-voltage electric energy measurement table
It connects, two on secondary side connecting terminal b and the second high voltage potential transformer shell on the first high voltage potential transformer shell
The secondary sub- a of side terminal is used to the V phase voltage input terminal with the voltage input terminal b of simulation connection box or high-voltage electric energy measurement table
It connects, the secondary side connecting terminal b on the second high voltage potential transformer shell is for the voltage input terminal c with simulation connection box
Or the W phase voltage input terminal connection of high-voltage electric energy measurement table.
When power supply can only export 380V voltage, then analog voltage mutual inductor needs that three-phase transformer is arranged, and is used for
380V power supply is become into 100V voltage, because high-pressure gauge scale voltage input end is 100V, then uses structure as described above.Work as confession
When power supply can only export 100V voltage, then analog voltage mutual inductor does not need setting three-phase transformer, then using as described below
Structure.
The analog voltage mutual inductor includes for carrying out two high-voltage electricity that high press fitting table connects electric installation training for student
Press transformer housing and the high voltage potential transformer analog circuit for carrying out malfunction elimination real training for student, the high-voltage electricity
Pressing mutual inductor analog circuit includes several control switches, one end of the 4th control switch, the 5th control switch, the 6th control switch
Connect with voltage wiring terminal A, the 4th control switch, the 5th control switch, the 6th control switch the other end respectively with electricity
Crimp line terminals a, b, c connection, the 7th control switch, the 8th control switch, the 9th control switch one end and voltage link
Terminal B connection, the 7th control switch, the 8th control switch, the 9th control switch the other end respectively with voltage wiring terminal a,
B, c connection, the tenth control switch, the 11st control switch, the 12nd control switch one end with voltage wiring terminal C connect
Connect, the tenth control switch, the 11st control switch, the 12nd control switch the other end respectively with voltage wiring terminal a, b, c
Connection；First control switch is connected between voltage wiring terminal A and voltage wiring terminal a, and the second control switch is connected on electricity
It crimps between line terminals B and voltage wiring terminal b, third control switch is connected on voltage wiring terminal C and voltage wiring terminal c
Between；
First control switch, the second control switch, third control switch, the 4th control switch, the 5th control switch,
6th control switch, the 7th control switch, the 8th control switch, the 9th control switch, the tenth control switch, the 11st control are opened
Pass, the 12nd control switch are connect with high voltage fault setting controller, and high voltage fault setting controller is opened for controlling each control
The closing or opening of pass；Contactor or relay is respectively adopted in each control switch；
Primary side connecting terminal A on first high voltage potential transformer shell is connect with voltage wiring terminal A, the first high pressure
The primary side connecting terminal on primary side connecting terminal B and the second high voltage potential transformer shell on voltage transformer shell
A is connect with voltage wiring terminal B, and the primary side connecting terminal B on the second high voltage potential transformer shell with voltage for connecing
Line terminals C connection, the secondary side connecting terminal a on the first high voltage potential transformer shell are connect with voltage wiring terminal a, and first
The secondary side wiring on secondary side connecting terminal b and the second high voltage potential transformer shell on high voltage potential transformer shell
Terminal a is connect with voltage wiring terminal b, and the secondary side connecting terminal b on the second high voltage potential transformer shell is used for and electricity
Crimp line terminals c connection；
Primary side connecting terminal A on first high voltage potential transformer shell is used to export with the U phase voltage of power supply
End connects, on the primary side connecting terminal B and the second high voltage potential transformer shell on the first high voltage potential transformer shell
Primary side connecting terminal A connect with the V phase voltage output end of power supply, one on the second high voltage potential transformer shell
The secondary sub- B of side terminal is secondary on the first high voltage potential transformer shell for connecting with the W phase voltage output end of power supply
The sub- a of side terminal is used to connect with the U phase voltage input terminal of the voltage input terminal a of simulation connection box or high-voltage electric energy measurement table
It connects, two on secondary side connecting terminal b and the second high voltage potential transformer shell on the first high voltage potential transformer shell
The secondary sub- a of side terminal is used to the V phase voltage input terminal with the voltage input terminal b of simulation connection box or high-voltage electric energy measurement table
It connects, the secondary side connecting terminal b on the second high voltage potential transformer shell is for the voltage input terminal c with simulation connection box
Or the W phase voltage input terminal connection of high-voltage electric energy measurement table.
Being controlled by first for parallel connection is respectively arranged between each end of incoming cables of the simulation connection box and corresponding leading-out terminal
System switch and the second control switch control the two lines road of on-off respectively, wherein resistance is in series on a route, described first
Control switch and the second control switch are connected with corresponding failure setting controller, and failure sets controller for controlling the first control
The closing or opening of system switch and the second control switch；First control switch and the second control switch using contactor or after
Electric appliance, the first control switch, the second control switch are respectively the normally opened contact and normally-closed contact of contactor or relay, and setting is normal
It opens and is in series with resistance on the route of contact.
This there is wiring to correct errors to connect electric actual training device with the dress table of fabrication evaluation further include multiple double authorization control cabinets, each pair
Electric training cabinet is connect with high press fitting table respectively for the leading-out terminal of authorization control cabinet or low pressure dress table connects the electric power incoming line terminal of electric training cabinet
Connection, each high press fitting table connects electric training cabinet, low pressure dress table connects electric training cabinet and configures a double authorization control cabinet；Described pair is awarded
It weighs control cabinet and is equipped with power adapter, control module, request input unit, suggestion device, and for being connect with power supply
Power input interface and power output interface for being connect with high voltage power supply simulator end of incoming cables, the power input connect
Simulation power main road between mouth and power output interface is in series with the first power control switch, second source control is opened
It closes, first power control switch is between power input interface and second source control switch；The power adapter
For providing power supply for control module；The request input unit is used to acquire power-up request, the power down request of operator, and
Pass to control module；The control module is powered on for sending request respectively, power-off signal is to the first management platform, the second pipe
Platform, the first management platform be used to receive the request that double empowerment management devices upload power on, power-off signal, and issue and award
Power powers on, cut-offing instruction is to the control module of double empowerment management devices, and the control module is for receiving under the first management platform
The authorization of hair powers on, cut-offing instruction, and the first power control switch of control closure disconnects, and passes through suggestion device prompting；Described
Two management platforms be used to receive the request that double empowerment management devices upload power on, power-off signal, and issue authorization and power on, power off and refer to
Enable to the control module of double empowerment management devices, the control module be used to receive second manage the authorization that platform issues power on,
Cut-offing instruction, control second source control switch closure are disconnected, and are reminded by suggestion device；The power supply has electricity
Pressure, electric current, phase sequence adjustable function；Power supply is used with the virtual of voltage output, electric current output and phase output function
Power supply, the input terminal of the virtual power supply and high press fitting table connect electric training cabinet or low pressure dress table connects the power supply that electric training cabinet is equipped with
Input terminal connection, the electric power incoming line terminal are set between the virtual power supply and electric power incoming line terminal for being electrically connected with city
There is contactor KM1, for controlling the on-off of route between virtual power supply and electric power incoming line terminal, the coil and urgency of contactor KM1
Stop button JT, relay J33 is connected in the current supply circuit of contactor, the coil of relay J33 is defeated with corresponding controller
Outlet connection, the controller are powered or power off for controlling relay J33, control the start and stop of virtual power supply.Virtual power supply and electricity
Green indicating lamp is connected on route between the input terminal of source.Power supply uses virtual power supply, can provide electricity for electric energy meter
Pressure and sizable electric current.Double authorization control cabinets, which are arranged, can greatly improve the safety of system.
It further includes the evaluation of student's real training video frequency tracking that this, which is corrected errors with wiring and connects electric actual training device with the dress table of fabrication evaluation,
System, the knowledge for operating video monitoring apparatus including station area video monitoring apparatus, individual soldier and being worn on operator
Do not indicate, each individual soldier operates video monitoring apparatus for being clapped in real time the execute-in-place process of corresponding operator respectively
It takes the photograph, and the individual soldier of captured in real-time operation video data is passed into video analysis processing workstation, the video analysis handles work
Stand for receive individual soldier operate video data, and according to each individual soldier operate video monitoring apparatus it is corresponding it is unique mark come
It identifies that individual soldier operates the corresponding operator's identity of video data, respectively corresponds the individual soldier's operation video counts for saving each operator
According to；Each station area video monitoring apparatus is used to carry out captured in real-time to corresponding real training station area, and by captured in real-time
Station monitoring video data passes to video analysis processing workstation, and the video analysis processing workstation is supervised for receiving station
Depending on video data, and according to the personnel identity identification tag information for including in each frame image of station monitoring video data, complete
The position positioning and identity information identification of each operator, and the movable model that the position of each operator is set with it
It encloses and compares, analyze each operator and whether exceed the zone of action of its permission, and prompted.
The high press fitting table, which connects, to be set in electric training cabinet there are two analog current mutual inductor, and high press fitting table connects in electric training cabinet
The primary side of first analog current mutual inductor and the U phase current output end of power supply connect, and high press fitting table connects in electric training cabinet
The secondary side of the first analog current mutual inductor connect through simulation connection box with the U phase current input terminal of high-voltage electric energy measurement table,
The W phase current output end of primary side and power supply that high press fitting table connects the second analog current mutual inductor in electric training cabinet connects
It connects, high press fitting table connects the secondary side of the second analog current mutual inductor in electric training cabinet through simulation connection box and high-voltage electric energy measurement
The W phase current input terminal of table connects；
The low pressure dress table, which connects, to be set in electric training cabinet there are three analog current mutual inductor, and low pressure dress table connects in electric training cabinet
The primary side of first analog current mutual inductor and the U phase current output end of power supply connect, and low pressure dress table connects in electric training cabinet
The secondary side of the first analog current mutual inductor connect through simulation connection box with the U phase current input terminal of low-voltage electric energy metering table,
The V phase current output end of primary side and power supply that low pressure dress table connects the second analog current mutual inductor in electric training cabinet connects
It connects, low pressure dress table connects the secondary side of the second analog current mutual inductor in electric training cabinet through simulation connection box and low-voltage electric energy metering
The V phase current input terminal of table connects；Low pressure dress table connects primary side and the power supply of the third analog current mutual inductor in electric training cabinet
The W phase current output end of power supply connects, and low pressure dress table connects the secondary side of the third analog current mutual inductor in electric training cabinet through mould
Quasi- terminal box is connect with the W phase current input terminal of low-voltage electric energy metering table.
The beneficial effects of the utility model are: since the utility model includes that high press fitting table connects electric training cabinet and low pressure dress table
Connect electric training cabinet, the high press fitting table connect be equipped in electric training cabinet for for student carry out high press fitting table connect electric installation training with
And high pressure simulation current transformer, high pressure simulation voltage transformer, high-voltage electric energy measurement table and the simulation of malfunction elimination real training connect
Wire box, and for providing the power supply of operating voltage, operating current；It is useful that the low pressure dress table connects installation in electric training cabinet
In the low-voltage simulation current transformer, the low-voltage electric energy metering that carry out low pressure dress table installation training and malfunction elimination real training for student
Table and simulation connection box, and for providing the power supply of operating voltage, operating current.Student can connect electricity in high press fitting table
Training cabinet and low pressure dress table connect carried out respectively on electric training cabinet high press fitting table connect electric installation training and low pressure dress table to connect electricity installation real
Instruction.
And the high press fitting table connects and is equipped with technique photographic device in electric training cabinet, for according to command signal to student's
High press fitting table connects electrical connection and is shot, and the picture after shooting is passed to computer, and the computer receives technique camera shooting
The picture of device transmitting is saved and is shown；Student's operating result is compared with standard results and judges and beats by counselor
Point.Result of giving a mark can be by being included in student's achievement in teacher's typing appraisal system.
The high press fitting table connect electric training cabinet further include for the positive error detection training of wiring electric energy metering device wiring just
Device is misidentified, the electric energy metering device wiring corrects errors identification device with intelligent detecting function, can detect judgement peace automatically
The error or fault of the voltage circuit of attaching line, current loop, and issue failure instruction (sound and light warning)；Indicating fault
When every phase current, voltage independently indicate that, when electric current, voltage circuit are there are when failure, there are the circuits of failure to issue indicating fault,
There is no electric current, the voltage circuits of failure to operate normally for remaining；Electric energy metering device wiring identification device of correcting errors is used for
The wiring that will test data of correcting errors pass to computer；Electric energy metering device wiring corrects errors identification device by 485 data receivers
Terminal and computer carry out communication connection；Can be corrected errors identification device after the completion of student's wiring by electric energy metering device wiring
Correct errors to detect the wiring of student, electric energy metering device wiring correct errors identification device can detect automatically judgement installation wiring voltage
Circuit, current loop error or fault, and issue failure instruction, student realizes dress table it is known that whether wiring correct
Connect electricity debugging real training.And the electric energy metering device wiring wiring that identification device can also will test data of correcting errors of correcting errors pass to meter
Calculation machine, computer saves the wiring of student data of correcting errors, and shows, counselor can be corrected errors according to wiring data into
Row judges marking.
High pressure simulation current transformer, high pressure simulation voltage transformer, simulation connection box set with high voltage fault control respectively
Device electrical connection processed, high voltage fault setting controller is connect with computer, for receiving the command signal of computer, output control respectively
Signal processed controls high pressure simulation Current Mutual Inductance to high pressure simulation current transformer, high pressure simulation voltage transformer, simulation connection box
Device carries out secondary pendant polar positive and negative fault simulation setting, the on-off fault simulation setting of route, the simulation setting of no-load voltage ratio switch failure；
And control high pressure simulation voltage transformer carries out the setting of Phase-Sequence Transformation fault simulation, single-phase on-off fault simulation setting, lacks
Phase fault simulation setting；And control simulation connection box carries out open circuit fault simulation setting, the exceeded fault simulation of impedance loop is set
It sets, connects the various failures of electricity for high press fitting table and lead to a phenomenon and consequence observation analysis real training；Low-voltage simulation current transformer, simulation
Terminal box is electrically connected with low voltage failure setting controller respectively, and low voltage failure setting controller is connect with computer, for receiving
The command signal of computer exports control signal to low-voltage simulation current transformer, simulation connection box respectively, controls low pressure and fill table
Connect the on-off failure that the low-voltage simulation current transformer in electric training cabinet carries out secondary pendant polar positive and negative fault simulation setting, route
Simulation setting, the simulation setting of no-load voltage ratio switch failure；And control simulation connection box carries out open circuit fault simulation setting, impedance loop
The setting of exceeded fault simulation connects the various failures of electricity for low pressure dress table and leads to a phenomenon and consequence observation analysis real training.Above-mentioned wiring
If student can request to connect electric training cabinet to high press fitting table after correct and low pressure dress table connects electric training cabinet and is powered, teacher can be with
By the various failures of computer installation, dress table is carried out by student connects electric-examination to repair, fault type is judged, and be modified, after amendment
The data of gauge table acquisition are become normally then illustrating to correct successfully from abnormal.
The utility model has the training of wiring process Installation, and corresponding dress table connects electric installation training and the positive error detection of wiring
Training, corresponding dress table connects electricity debugging real training and various failures are led to a phenomenon and consequence observation analysis real training, and corresponding dress table connects electricity
Malfunction elimination real training, there is the utility model dress table to connect electric installation training, dress table connects electricity debugging real training and dress table connects electric fault
Real training function is checked, the utility model perfect in shape and function can be giveed training by standardized work flows completely, and can also be realized
Wiring is corrected errors and process intelligent identification and evaluation, and training efficiency is high, substantially increases fair, the just performance of examination.
Detailed description of the invention
Fig. 1 is that the high press fitting table of the utility model connects the connection schematic diagram of electric training cabinet；
Fig. 2 is the portion the P enlarged drawing of Fig. 1；
Fig. 3 is the schematic diagram of the first embodiment of the high voltage potential transformer analog circuit of the utility model；
Fig. 4 is the schematic diagram of the second embodiment of the high voltage potential transformer analog circuit of the utility model；
Fig. 5 is that the low pressure dress table of the utility model connects the connection schematic diagram of electric training cabinet；
Fig. 6 is the portion the O enlarged drawing of Fig. 5；
Fig. 7 is the portion the Q enlarged drawing of Fig. 5；
Fig. 8 is the schematic diagram of the simulation connection box of the utility model；
Fig. 9 be the utility model high press fitting table connect electric training cabinet, low pressure dress table connect electric training cabinet electric power incoming line control
Schematic diagram；
Figure 10 is the control schematic diagram of the PLC controller of the utility model；
Figure 11 is the appearance diagram of the analog current mutual inductor of the utility model；
Figure 12 is the appearance diagram of the analog voltage mutual inductor of the utility model;
Figure 13 is that correcting errors with wiring for the utility model connects the functional block diagram of electric actual training device with the dress table of fabrication evaluation；
Figure 14 is that the dress table of the utility model connects the traffic diagram of electric real training installation section；
Figure 15 is the traffic diagram that the dress table of the utility model connects that electric real training debugs part.
Specific embodiment
Referring to Fig. 1 to Figure 15, a kind of correct errors with wiring connects electric actual training device with the dress table of fabrication evaluation, including calculates
Machine, high press fitting table connect electric training cabinet and low pressure dress table connects electric training cabinet.The corresponding computer of 4 cabinets is arranged in the present embodiment,
It is of course also possible to be modified according to actual needs.The high press fitting table, which connects, to be equipped with for carrying out for student in electric training cabinet
High press fitting table connect the high pressure simulation current transformer of electric installation training, high pressure simulation voltage transformer, high-voltage electric energy measurement table and
Simulation connection box, and for providing the power supply of operating voltage, operating current；The low pressure dress table connects peace in electric training cabinet
Equipped with for carrying out low pressure dress table installation training and the low-voltage simulation current transformer of trouble hunting real training, low tension for student
Energy gauge table and simulation connection box, and for providing the power supply of operating voltage, operating current.
The high press fitting table connects electric training cabinet or/and high press fitting table connects and is equipped with technique photographic device in electric training cabinet, uses
It is shot in connecing electrical connection according to high press fitting table of the command signal to student, and by the picture after shooting by wired or wireless
Mode pass to computer.Technique photographic device includes single-chip microcontroller, power supply, camera and wireless communication module, and power supply is used
It powers in technique photographic device, module such as WiFi module is communicated the single-chip microcontroller with computer by wireless communication, institute
The operation signal control camera for stating command signal or camera shooting control switch of the single-chip microcontroller for issuing according to computer carries out figure
Piece shooting, and the picture after shooting is passed into computer by wired or wireless mode.The present embodiment can be asked in student
When asking energization, single-chip microcontroller controls camera and carries out picture shooting.
The present embodiment connects electric training cabinet in high press fitting table and installs 3 cameras.3 cameras are respectively used to high press fitting table
Connect the face view of the high press fitting table wiring of electric training cabinet, left side, right side are shot.Camera can according to need along
High press fitting table connects the track being arranged in electric training cabinet and moves up and down.
The normal viewing angle of face view, left side, right side picture and prior typing that teacher shoots camera, left view
The normal pictures at angle and right visual angle are compared, and judge whether cabling is reasonable, clean and tidy, beautiful, clear, conducting wire and end torsion connection
Whether place has number plate, and whether colour of insulated conductor is distinguished according to standard requirements.
High pressure simulation current transformer, high pressure simulation voltage transformer, simulation connection box, the sight of high-voltage electric energy measurement off-balancesheet are wanted
Ask consistent with site layout project.The virtual power supply of this patent with application No. is in 201510258914.2,201510259148.1
It is identical.High-voltage electric energy measurement table is consistent with the three-phase and four-line gauge table of standard, and installation dimension requires consistent with site layout project.It is every
Performance indicator should unanimously configure corresponding mounting bracket with standard three-phase and four-line gauge table simultaneously.Low-voltage electric energy metering off-balancesheet is seen
It is required that consistent with site layout project.Low-voltage electric energy metering table appearance requirement is consistent with the three-phase and four-line gauge table of standard, installation dimension
It is required that consistent with site layout project, performance indexes should unanimously configure corresponding installation with standard three-phase and four-line gauge table simultaneously
Bracket.
The low pressure dress table of the utility model connects electric training cabinet or/and high press fitting table connects electric training cabinet and imaged by mounting process
Device connects electrical connection according to low pressure dress table of the command signal to student and shoots, and the picture after shooting is passed to calculating
Machine；It is finally evaluated in face of computer by counselor, evaluation result typing appraisal system.When low pressure dress table connects electric real training
When cabinet or high press fitting table connect one of electric training cabinet and be not provided with technique photographic device, teacher scene can be passed through and judge marking.
The high press fitting table connects electric training cabinet/and high press fitting table connects electric training cabinet and is additionally provided with for the positive error detection training of wiring
Electric energy metering device wiring correct errors identification device, the electric energy metering device wiring corrects errors identification device with intelligent measurement function
Can, the error or faults such as voltage circuit short circuit, the current loop open circuit of judgement installation wiring can be detected automatically, and are issued failure and referred to
Show (sound and light warning)；Every phase current, voltage independently indicate when indicating fault, when electric current, voltage circuit are there are when failure,
There are the circuits of failure to issue indicating fault, and there is no electric current, the voltage circuits of failure to operate normally for remaining, in favor of checking
Judge wiring error or fault condition；Electric energy metering device wiring identification device of correcting errors is corrected errors number for the wiring that will test
According to passing to computer.Electric energy metering device wiring identification device of correcting errors is led to by 485 data receiving terminals with computer
News connection.Identification device is corrected errors in the electric energy metering device wiring of present patent application can be using Publication No. CN103869210A's
The circuit structure of patent, including signal generator and signal receiver, wherein signal receiver, that is, warning circuit can use door
Circuit can also use single-chip microcontroller, voltage circuit short circuit, current loop open circuit for detect judgement installation wiring etc. it is wrong or
Failure, and the wiring that controls sending indicating fault, and will test data of correcting errors pass to computer.Certainly, the electrical energy measurement
Device wiring identification device of correcting errors can not also be communicated with computer.
Certainly, high press fitting table connects electric training cabinet or low pressure dress table connects one of electric training cabinet and is not provided with electric energy metering device
Wiring correct errors identification device when, connect in dress table and independently use by student instrument (as use leading to for multimeter measurement line when electricity debugging
Break) it wiring and is solved to detect misjudgment, examination, appraisal result typing appraisal system are aside supervised by counselor.
High pressure simulation current transformer, high pressure simulation voltage transformer, simulation connection box set with high voltage fault control respectively
Device electrical connection processed, high voltage fault setting controller is connect with computer, for receiving the command signal of computer, output control respectively
Signal processed controls high pressure simulation Current Mutual Inductance to high pressure simulation current transformer, high pressure simulation voltage transformer, simulation connection box
Device carries out secondary pendant polar positive and negative fault simulation setting, the on-off fault simulation setting of route, the simulation setting of no-load voltage ratio switch failure；
And control high pressure simulation voltage transformer carries out the setting of Phase-Sequence Transformation fault simulation, single-phase on-off fault simulation setting, lacks
Phase fault simulation setting；And control simulation connection box carries out open circuit fault simulation setting, the exceeded fault simulation of impedance loop is set
It sets, connects the various failures of electricity for high press fitting table and lead to a phenomenon and consequence observation analysis real training；
Low-voltage simulation current transformer, simulation connection box are electrically connected with low voltage failure setting controller respectively, low voltage failure
Setting controller is connect with computer, for receiving the command signal of computer, is exported control signal respectively and is given low-voltage simulation electricity
Current transformer, simulation connection box, control low pressure dress table connect the low-voltage simulation current transformer in electric training cabinet and carry out secondary side pole
Property positive and negative fault simulation setting, the on-off fault simulation setting of route, the simulation setting of no-load voltage ratio switch failure；And control simulation connects
Wire box carries out open circuit fault simulation setting, the exceeded fault simulation setting of impedance loop, connects the various failures of electricity for low pressure dress table and produces
Raw phenomenon and consequence observation analysis real training.The high press fitting table connects the primary side of the high pressure simulation current transformer in electric training cabinet
It is connect with the current output terminal of power supply, high press fitting table connects the secondary side warp of the high pressure simulation current transformer in electric training cabinet
Simulation connection box is connect with the current input terminal of high-voltage electric energy measurement table, and high press fitting table connects the high pressure simulation voltage in electric training cabinet
The primary side of mutual inductor and the voltage output end of power supply connect, and it is mutual that high press fitting table connects the high pressure simulation voltage in electric training cabinet
The secondary side of sensor is connect through simulation connection box with the voltage input end of high-voltage electric energy measurement table, and the low pressure dress table connects electric real training
The primary side of low-voltage simulation current transformer in cabinet and the current output terminal of power supply connect, and low pressure dress table connects electric training cabinet
The secondary side of interior low-voltage simulation current transformer is connect through simulation connection box with the current input terminal of low-voltage electric energy metering table, low
The voltage input end that press fitting table connects the low-voltage electric energy metering table in electric training cabinet is defeated through the voltage of simulation connection box and power supply
Outlet connection.
The high voltage fault setting controller includes Switching Power Supply and PLC controller, and the Switching Power Supply is used to control to PLC
Device processed power supply, the output end of the PLC controller are connected with several intermediate relays, for control intermediate relay energization or
Power-off, each intermediate relay connect for respectively corresponding control high pressure simulation current transformer, high pressure simulation voltage transformer, simulating
It is mutual to control high pressure simulation current transformer, high pressure simulation voltage respectively for the energization or power-off of contactor or relay in wire box
Sensor, simulation connection box carry out high voltage fault setting；The low voltage failure setting controller includes Switching Power Supply and PLC control
Device, the Switching Power Supply are used to power to PLC controller, and the output end of the PLC controller is connected with several intermediate relays,
For controlling the energization or power-off of intermediate relay, each intermediate relay is for respectively corresponding control low-voltage simulation Current Mutual Inductance
The energization or power-off of device, the contactor in simulation connection box or relay control low-voltage simulation current transformer respectively, simulation connects
Wire box carries out low voltage failure setting；High voltage fault sets controller, low voltage failure setting controller passes through 485 data receiving terminals
Communication connection is carried out with computer.
Counselor issues fault-signal by computer, is sent to 485 data receiving terminals, will by 485 data terminals
Signal is sent in failure setting controller, and the switch state of failure setting controller control fault point reaches fault simulation effect
Fruit.One fault setting signal, the fault setting signal that failure setting controller is issued according to computer, control are sent by computer
Fault point switch state processed, to simulate generation and trigger corresponding failure, so that defect elimination is checked at student scene.When student starts to grasp
After work, system will test ammeter reading and feed back in computer, can be read according to ammeter and judge whether to correct successfully.Failure is set
After fixed, failure can be resetted according to actual needs, various abnormal restorings are normal.
Dress table, which connects electric training cabinet, can according to need the following function of setting:
(1) polarity of voltage transformer, broken string, phase shortage, Phase-sequence Fault simulation.
1. simulating positive polarity failure；Simulate negative polarity failure
2. simulating three-phase broken string；Two-phase broken string；Single-phase wire break
3. simulating mutual inductor Phase-sequence Fault: A-B phase；B-C phase；A-C phase
4. simulation lacks U phase；Lack V phase；Lack W phase
(2) polarity of current transformer, broken string, Phase-sequence Fault simulation and progress 2 to 3 group no-load voltage ratios simulation.
1. simulate positive polarity failure, that is, U- just, W- just；Simulation negative polarity failure, that is, U- is negative, W- is negative.
2. simulation A phase breaks；B phase breaks；C phase breaks
3. simulating mutual inductor Phase-sequence Fault: IS2-S1
4. the no-load voltage ratio at 50KVA, 80KVA and 125KVA respectively under 10KV/0.4KV voltage class
(3) the secondary side pressure drop fault simulation of terminal board.
1. U phase pressure drop sets 0.1V/A or 0.5V/A
2. V phase pressure drop sets 0.1V/A or 0.5V/A
3. W phase pressure drop sets 0.1V/A or 0.5V/A
(4) to the under-voltage of meter, undercurrent, partial pressure fault simulation.
Low pressure dress table, which connects electric training cabinet, can be set following function:
(1) polarity of current transformer, broken string, Phase-sequence Fault simulation and progress 2 to 3 group no-load voltage ratios simulation.
1. simulating positive polarity failure；Simulate negative polarity failure
2. simulation A phase breaks；B phase breaks；C phase breaks
3. simulating mutual inductor Phase-sequence Fault: IS2-S1
4. the no-load voltage ratio at 50KVA, 80KVA and 125KVA respectively under 10KV/0.4KV voltage class
(2) the secondary side pressure drop fault simulation of terminal board.
1. simulation secondary side resistance value is 0.1V/A
2. simulation secondary side resistance value is 0.5V/A
(3) to the under-voltage of meter, undercurrent, partial pressure fault simulation.
The high pressure simulation current transformer includes for carrying out the high-voltage electricity that high press fitting table connects electric installation training for student
Current transformer shell and for for student carry out trouble hunting real training high-tension current inductor analog circuit, the high-voltage electricity
Current transformer analog circuit includes several relays and one or more current transformer Ta, when current transformer Ta is multiple
When, primary side p1, p2 of multiple current transformer Ta is connected between current input terminal P1 and current input terminal P2, each electricity
Secondary side s1, s2 of current transformer Ta is connect through no-load voltage ratio switching relay with current output terminal S1, S2 respectively, each no-load voltage ratio switching
Route is logical between secondary side s1, the s2 and current output terminal S1, S2 of relay for corresponding to each current transformer Ta of control
It is disconnected, and by removing no-load voltage ratio between the secondary side s1 and secondary side s2 of current transformer Ta corresponding with no-load voltage ratio switching relay J36
The auxiliary contact for switching other each no-load voltage ratio switching relays except relay J36 are shorted, and make to switch relay J36 when no-load voltage ratio
When closure, it is not shorted, removes between the secondary side s1 and secondary side s2 of current transformer Ta corresponding with no-load voltage ratio switching relay J36
No-load voltage ratio switches the secondary side s1 and two that other each no-load voltage ratios except relay J36 switch the corresponding current transformer Ta of relay
It is shorted between secondary side s2；
When current transformer Ta is one, the primary side p1 of current transformer Ta is connect with current input terminal P1,
The primary side p2 of current transformer Ta is connect with current input terminal P2, secondary side s1, s2 of current transformer Ta respectively with
Current output terminal S1, S2 connection；
Route is equipped with for controlling route between the secondary side s1 and current output terminal S1 of the current transformer Ta
Route is equipped with for controlling between the secondary side s2 and current output terminal S2 of the relay J3, the current transformer Ta of on-off
The relay J4 of circuit on-off processed；Route between secondary side s1, s2 and current output terminal S1, S2 of the current transformer Ta
It is equipped with for controlling the positive and negative relay J1 of secondary polarity, relay J2；One end of the first contact of relay J1 be used for
The secondary side s1 connection of current transformer Ta, the other end of the first contact of relay J1 are used to connect with current output terminal S1
It connects, one end of the second contact of relay J1 with the secondary side s2 of current transformer Ta for connecting, the second touching of relay J1
For connecting with current output terminal S2, one end of the first contact of relay J2 is used for and current transformer Ta the other end of point
Secondary side s1 connection, the other end of the first contact of relay J1 for being connect with current output terminal S2, relay J2's
For connecting with the secondary side s2 of current transformer Ta, the other end of the second contact of relay J1 is used for for one end of second contact
It is connect with current output terminal S1；Each relay is connect with high voltage fault setting controller, and high voltage fault setting controller is used for
The energization or power-off for controlling each relay, control the closing or opening of the contact of relay；Current input terminal P1, P2 are for dividing
It is not connect with the current output terminal of primary side connecting terminal or power supply on high-tension current inductor shell, current output terminal
Sub- S1, S2 are based on respectively with the secondary side connecting terminal or simulation connection box or high voltage electric energy on high-tension current inductor shell
The current input terminal of scale connects；The high-tension current inductor shell, high voltage potential transformer shell, simulation connection box, height
Pressure electric energy meter is separately mounted to high press fitting table and connects on the operating surface being arranged in the cabinet body of electric training cabinet, carries out high pressure for student
Dress table connects galvanic process training on installation.Current transformer Ta is ordinary electric current mutual-inductor.High-tension current inductor analog circuit can be with
It is arranged in high-tension current inductor shell, also can be set outside high-tension current inductor shell.
The low-voltage simulation current transformer includes for carrying out the low tension that low pressure dress table connects electric installation training for student
Current transformer shell and for for student carry out trouble hunting real training low-voltage current mutual inductor analog circuit, the low tension
Current transformer analog circuit includes several relays and one or more (two or more) current transformer Ta, works as electricity
When current transformer Ta is multiple, primary side p1, p2 of multiple current transformer Ta is connected on current input terminal P1 and electric current is defeated
Enter between terminals P 2, secondary side s1, s2 of each current transformer Ta respectively through no-load voltage ratio switch relay and current output terminal S1,
S2 connection, each no-load voltage ratio switching relay is for corresponding secondary side s1, s2 and current output terminal for controlling each current transformer Ta
The on-off of route between S1, S2, and the secondary side s1 and secondary side of current transformer Ta corresponding with no-load voltage ratio switching relay J34
It is shorted between s2 by the auxiliary contact that other each no-load voltage ratios in addition to no-load voltage ratio switches relay J34 switch relay, makes to work as
When no-load voltage ratio switches relay J34 closure, with the secondary side s1 of the corresponding current transformer Ta of no-load voltage ratio switching relay J34 with it is secondary
It is not shorted between the s2 of side, other each no-load voltage ratios in addition to no-load voltage ratio switches relay J34 switch the corresponding Current Mutual Inductance of relay
It is shorted between the secondary side s1 and secondary side s2 of device Ta；
When current transformer Ta is one, the primary side p1 of current transformer Ta is connect with current input terminal P1,
The primary side p2 of current transformer Ta is connect with current input terminal P2, secondary side s1, s2 of current transformer Ta respectively with
Current output terminal S1, S2 connection；
Route is equipped with for controlling route between the secondary side s1 and current output terminal S1 of the current transformer Ta
Route is equipped with for controlling between the secondary side s2 and current output terminal S2 of the relay J3, the current transformer Ta of on-off
The relay J4 of circuit on-off processed；Route between secondary side s1, s2 and current output terminal S1, S2 of the current transformer Ta
It is equipped with for controlling the positive and negative relay J1 of secondary polarity, relay J2；One end of the first contact of relay J1 be used for
The secondary side s1 connection of current transformer Ta, the other end of the first contact of relay J1 are used to connect with current output terminal S1
It connects, one end of the second contact of relay J1 with the secondary side s2 of current transformer Ta for connecting, the second touching of relay J1
For connecting with current output terminal S2, one end of the first contact of relay J2 is used for and current transformer Ta the other end of point
Secondary side s1 connection, the other end of the first contact of relay J1 for being connect with current output terminal S2, relay J2's
For connecting with the secondary side s2 of current transformer Ta, the other end of the second contact of relay J1 is used for for one end of second contact
It is connect with current output terminal S1；Each relay is connect with low voltage failure setting controller, and low voltage failure setting controller is used for
The energization or power-off for controlling each relay, control the closing or opening of the contact of relay；Current input terminal P1, P2 are for dividing
It is not connect with the primary side connecting terminal on the current output terminal of power supply or low-voltage current mutual inductor shell, current output terminal
Sub- S1, S2 are based on respectively with the secondary side connecting terminal or simulation connection box or low-voltage electric energy on low-voltage current mutual inductor shell
The current input terminal of scale connects；The low-voltage current mutual inductor shell, simulation connection box, low-voltage electric energy metering table are installed respectively
On the operating surface being arranged in the cabinet body that low pressure dress table connects electric training cabinet, low pressure dress table is carried out for student and connects galvanic process installation training
Instruction；The mother of the voltage output end setting of the primary side connecting terminal and power supply that are arranged on the low-voltage current mutual inductor shell
Line row's connection.The voltage output end of the primary side connecting terminal P1 and power supply that are arranged on the low-voltage current mutual inductor shell
The bus bar of setting connects, and the primary side connecting terminal P2 being arranged on low-voltage current mutual inductor shell is used to connect electricity with low pressure dress table
The leading-out terminal of training cabinet connects.The primary side connecting terminal P1 being arranged on the low-voltage current mutual inductor shell and primary side wiring
Terminals P 2 is shorted.Low-voltage current mutual inductor analog circuit is arranged outside low-voltage current mutual inductor shell.Current transformer Ta is general
Energization current transformer.
The current transformer analog circuit of the present embodiment includes three current transformers Ta, the first current transformer Ta1, the
Two current transformer Ta2, third current transformer Ta3 primary side p1, p2 be connected on current input terminal P1 and electric current and input
Between terminals P 2.The primary side p1 of first current transformer is connect with current input terminal P1, the first current transformer it is primary
Side p2 is connect with the primary side p1 of the second current transformer, primary side p2 and the third current transformer of the second current transformer
Primary side p1 connection, the primary side p2 of third current transformer are connect with current input terminal P2.
Main contacts and electric current of secondary side s1, the s2 of first current transformer respectively through no-load voltage ratio switching relay J34 export
Terminal S1, S2 connection, main contacts and electricity of secondary side s1, the s2 of the second current transformer respectively through no-load voltage ratio switching relay J35
Flow output terminal S1, S2 connection, main touching of secondary side s1, the s2 of third current transformer respectively through no-load voltage ratio switching relay J36
Point is connect with current output terminal S1, S2, is switched between the secondary side s1 and secondary side s2 of the first current transformer by no-load voltage ratio
The auxiliary contact J35-1 of relay J35 is shorted, and is cut between the secondary side s1 and secondary side s2 of the first current transformer by no-load voltage ratio
The auxiliary contact J36-1 for changing relay J36 is shorted；Pass through no-load voltage ratio between the secondary side s1 and secondary side s2 of second current transformer
The auxiliary contact J34-1 for switching relay J34 is shorted, and passes through change between the secondary side s1 and secondary side s2 of the second current transformer
Auxiliary contact J36-2 than switching relay J36 is shorted；Pass through between the secondary side s1 and secondary side s2 of third current transformer
The auxiliary contact J34-2 that no-load voltage ratio switches relay J34 is shorted, and is led between the secondary side s1 and secondary side s2 of third current transformer
The auxiliary contact J35-2 for crossing no-load voltage ratio switching relay J35 is shorted.
When current transformer Ta is three, using the mutual inductor of three kinds of different no-load voltage ratios.First electricity of the present embodiment
Current transformer Ta1 no-load voltage ratio is 15:5, and the second current transformer Ta2 no-load voltage ratio is 25:5, and third current transformer Ta3 no-load voltage ratio is 30:
5.The current transformer analog circuit of the present embodiment is for realizing the switching between no-load voltage ratio 75/5,20/5,10/5.
The analog voltage mutual inductor includes for carrying out two high-voltage electricity that high press fitting table connects electric installation training for student
Press transformer housing and the high voltage potential transformer analog circuit for carrying out trouble hunting real training for student, the high-voltage electricity
Pressure mutual inductor analog circuit includes three-phase transformer and several control switches, and the primary side A of the three-phase transformer is through the first control
System switch is connect with voltage wiring terminal A, the primary side B of the three-phase transformer through the second control switch respectively with voltage link
The primary side C of terminal B connection, the three-phase transformer is connect through third control switch with voltage wiring terminal C；Three phase transformation
The secondary side a of depressor is respectively through the 4th control switch, the 5th control switch, the 6th control switch and voltage wiring terminal a, b, c
Connection, the secondary side b of the three-phase transformer is respectively through the 7th control switch, the 8th control switch, the 9th control switch and electricity
Line terminals a, b, c connection are crimped, the secondary side c of the three-phase transformer is through the tenth control switch, the 11st control switch, the tenth
Two control switches are connect with voltage wiring terminal a, b, c respectively；
First control switch, the second control switch, third control switch, the 4th control switch, the 5th control switch,
6th control switch, the 7th control switch, the 8th control switch, the 9th control switch, the tenth control switch, the 11st control are opened
Pass, the 12nd control switch are connect with high voltage fault setting controller, and high voltage fault setting controller is opened for controlling each control
The closing or opening of pass；Contactor or relay is respectively adopted in each control switch；
Primary side connecting terminal A on first high voltage potential transformer shell is connect with voltage wiring terminal A, the first high pressure
The primary side connecting terminal on primary side connecting terminal B and the second high voltage potential transformer shell on voltage transformer shell
A is connect with voltage wiring terminal B, and the primary side connecting terminal B on the second high voltage potential transformer shell with voltage for connecing
Line terminals C connection, the secondary side connecting terminal a on the first high voltage potential transformer shell are connect with voltage wiring terminal a, and first
The secondary side wiring on secondary side connecting terminal b and the second high voltage potential transformer shell on high voltage potential transformer shell
Terminal a is connect with voltage wiring terminal b, and the secondary side connecting terminal b on the second high voltage potential transformer shell is used for and electricity
Crimp line terminals c connection；
Primary side connecting terminal A on first high voltage potential transformer shell is used to export with the U phase voltage of power supply
End connects, on the primary side connecting terminal B and the second high voltage potential transformer shell on the first high voltage potential transformer shell
Primary side connecting terminal A connect with the V phase voltage output end of power supply, one on the second high voltage potential transformer shell
The secondary sub- B of side terminal is secondary on the first high voltage potential transformer shell for connecting with the W phase voltage output end of power supply
The sub- a of side terminal is used to connect with the U phase voltage input terminal of the voltage input terminal a of simulation connection box or high-voltage electric energy measurement table
It connects, two on secondary side connecting terminal b and the second high voltage potential transformer shell on the first high voltage potential transformer shell
The secondary sub- a of side terminal is used to the V phase voltage input terminal with the voltage input terminal b of simulation connection box or high-voltage electric energy measurement table
It connects, the secondary side connecting terminal b on the second high voltage potential transformer shell is for the voltage input terminal c with simulation connection box
Or the W phase voltage input terminal connection of high-voltage electric energy measurement table.
When power supply can only export 380V voltage, then analog voltage mutual inductor needs that three-phase transformer is arranged, and is used for
380V power supply is become into 100V voltage, because high-pressure gauge scale voltage input end is 100V, then uses structure as described above.Work as confession
When power supply can only export 100V voltage, then analog voltage mutual inductor does not need setting three-phase transformer, then using as described below
Structure.
The analog voltage mutual inductor includes for carrying out two high-voltage electricity that high press fitting table connects electric installation training for student
Press transformer housing and the high voltage potential transformer analog circuit for carrying out trouble hunting real training for student, the high-voltage electricity
Pressing mutual inductor analog circuit includes several control switches, one end of the 4th control switch, the 5th control switch, the 6th control switch
Connect with voltage wiring terminal A, the 4th control switch, the 5th control switch, the 6th control switch the other end respectively with electricity
Crimp line terminals a, b, c connection, the 7th control switch, the 8th control switch, the 9th control switch one end and voltage link
Terminal B connection, the 7th control switch, the 8th control switch, the 9th control switch the other end respectively with voltage wiring terminal a,
B, c connection, the tenth control switch, the 11st control switch, the 12nd control switch one end with voltage wiring terminal C connect
Connect, the tenth control switch, the 11st control switch, the 12nd control switch the other end respectively with voltage wiring terminal a, b, c
Connection；First control switch is connected between voltage wiring terminal A and voltage wiring terminal a, and the second control switch is connected on electricity
It crimps between line terminals B and voltage wiring terminal b, third control switch is connected on voltage wiring terminal C and voltage wiring terminal c
Between；
First control switch, the second control switch, third control switch, the 4th control switch, the 5th control switch,
6th control switch, the 7th control switch, the 8th control switch, the 9th control switch, the tenth control switch, the 11st control are opened
Pass, the 12nd control switch are connect with high voltage fault setting controller, and high voltage fault setting controller is opened for controlling each control
The closing or opening of pass；Contactor or relay is respectively adopted in each control switch；
Primary side connecting terminal A on first high voltage potential transformer shell is connect with voltage wiring terminal A, the first high pressure
The primary side connecting terminal on primary side connecting terminal B and the second high voltage potential transformer shell on voltage transformer shell
A is connect with voltage wiring terminal B, and the primary side connecting terminal B on the second high voltage potential transformer shell with voltage for connecing
Line terminals C connection, the secondary side connecting terminal a on the first high voltage potential transformer shell are connect with voltage wiring terminal a, and first
The secondary side wiring on secondary side connecting terminal b and the second high voltage potential transformer shell on high voltage potential transformer shell
Terminal a is connect with voltage wiring terminal b, and the secondary side connecting terminal b on the second high voltage potential transformer shell is used for and electricity
Crimp line terminals c connection；
Primary side connecting terminal A on first high voltage potential transformer shell is used to export with the U phase voltage of power supply
End connects, on the primary side connecting terminal B and the second high voltage potential transformer shell on the first high voltage potential transformer shell
Primary side connecting terminal A connect with the V phase voltage output end of power supply, one on the second high voltage potential transformer shell
The secondary sub- B of side terminal is secondary on the first high voltage potential transformer shell for connecting with the W phase voltage output end of power supply
The sub- a of side terminal is used to connect with the U phase voltage input terminal of the voltage input terminal a of simulation connection box or high-voltage electric energy measurement table
It connects, two on secondary side connecting terminal b and the second high voltage potential transformer shell on the first high voltage potential transformer shell
The secondary sub- a of side terminal is used to the V phase voltage input terminal with the voltage input terminal b of simulation connection box or high-voltage electric energy measurement table
It connects, the secondary side connecting terminal b on the second high voltage potential transformer shell is for the voltage input terminal c with simulation connection box
Or the W phase voltage input terminal connection of high-voltage electric energy measurement table.High voltage potential transformer analog circuit can be set in the first high pressure
In transformer housing or the second high-voltage mutual inductor shell, also it can be set in the first high-voltage mutual inductor shell or the second high pressure mutual inductance
Outside device shell.
Analog current mutual inductor is simulated using electric, in simple light, the easy to use, structure of configuration aspects, wiring, outer
It sees completely the same with scene；Referring to Figure 11, the current transformer shell of analog current mutual inductor is equipped with primary side lead-in wire terminal P1, one
Secondary side leading-out terminal P2, secondary side leading-out terminal S1, secondary side lead-in wire terminal S2, nut groove, training current transformer bottom plate.
High pressure simulation voltage transformer is simulated using electric, in simple light, the easy to use, structure of configuration aspects, is connect
Line, appearance and scene are completely the same；It is the lead-in wire terminal of analog voltage mutual inductor primary side referring to Figure 12, A, B is that analog voltage is mutual
The leading-out terminal that sensor is once surveyed, a are the lead-in wire terminal of the secondary survey of analog voltage mutual inductor, and b is the secondary survey of analog voltage mutual inductor
Leading-out terminal；1 and 2 be nut groove.
Being controlled by first for parallel connection is respectively arranged between each end of incoming cables of the simulation connection box and corresponding leading-out terminal
System switch and the second control switch control the two lines road of on-off respectively, wherein resistance is in series on a route, described first
Control switch and the second control switch are connect with failure setting controller, and failure sets controller for controlling the first control switch
With the closing or opening of the second control switch；First control switch and the second control switch use contactor or relay,
First control switch, the second control switch are respectively the normally opened contact and normally-closed contact of contactor or relay, and normally opened touching is arranged
Resistance is in series on the route of point.
The present embodiment simulation connection box appearance is consistent with standard terminal box, and installation dimension is consistent with site layout project, electricity ginseng
Number is consistent with standard terminal box；The drop simulation of secondary side can functionally be carried out.
The high press fitting table, which connects, to be set in electric training cabinet there are two analog current mutual inductor, and high press fitting table connects in electric training cabinet
The primary side of first analog current mutual inductor and the U phase current output end of power supply connect, and high press fitting table connects in electric training cabinet
The secondary side of the first analog current mutual inductor connect through simulation connection box with the U phase current input terminal of high-voltage electric energy measurement table,
The W phase current output end of primary side and power supply that high press fitting table connects the second analog current mutual inductor in electric training cabinet connects
It connects, high press fitting table connects the secondary side of the second analog current mutual inductor in electric training cabinet through simulation connection box and high-voltage electric energy measurement
The W phase current input terminal of table connects；
The low pressure dress table, which connects, to be set in electric training cabinet there are three analog current mutual inductor, and low pressure dress table connects in electric training cabinet
The primary side of first analog current mutual inductor and the U phase current output end of power supply connect, and low pressure dress table connects in electric training cabinet
The secondary side of the first analog current mutual inductor connect through simulation connection box with the U phase current input terminal of low-voltage electric energy metering table,
The V phase current output end of primary side and power supply that low pressure dress table connects the second analog current mutual inductor in electric training cabinet connects
It connects, low pressure dress table connects the secondary side of the second analog current mutual inductor in electric training cabinet through simulation connection box and low-voltage electric energy metering
The V phase current input terminal of table connects；Low pressure dress table connects primary side and the power supply of the third analog current mutual inductor in electric training cabinet
The W phase current output end of power supply connects, and low pressure dress table connects the secondary side of the third analog current mutual inductor in electric training cabinet through mould
Quasi- terminal box is connect with the W phase current input terminal of low-voltage electric energy metering table.
This have wiring correct errors with the dress table of fabrication evaluation connect electric actual training device further include application No. is
201710392894.7 patent disclosure student's real training video frequency tracking evaluation system, including station area video monitoring apparatus,
The distinguishing mark that individual soldier operates video monitoring apparatus and is worn on operator, each individual soldier operate video monitoring apparatus and use
Captured in real-time is carried out in the execute-in-place process respectively to corresponding operator, and the individual soldier of captured in real-time is operated into video counts
According to video analysis processing workstation is passed to, the video analysis processing workstation operates video data for receiving individual soldier, and
The corresponding unique mark of video monitoring apparatus is operated according to each individual soldier to identify that individual soldier operates the corresponding operation of video data
Personnel identity respectively corresponds the individual soldier's operation video data for saving each operator；Each station area video monitoring apparatus is used for
Captured in real-time is carried out to corresponding real training station area, and the station of captured in real-time monitoring video data is passed into video analysis
Processing workstation, the video analysis processing workstation monitors video data for receiving station, and monitors video according to station
The personnel identity identification tag information for including in each frame image of data completes position positioning and the identity letter of each operator
Breath identification, and the movable range that the position of each operator is set with it is compared, analyzing each operator is
The no zone of action beyond its permission, and prompted.
This there is wiring to correct errors to connect electric actual training device with the dress table of fabrication evaluation further include multiple double authorization control cabinets, each pair
Electric training cabinet is connect with high press fitting table respectively for the leading-out terminal of authorization control cabinet or low pressure dress table connects the electric power incoming line terminal of electric training cabinet
Connection, each high press fitting table connects electric training cabinet, low pressure dress table connects electric training cabinet and configures a double authorization control cabinet；Described pair is awarded
It weighs control cabinet and is equipped with power adapter, control module, request input unit, suggestion device, and for being connect with power supply
Power input interface and power output interface for being connect with high voltage power supply simulator end of incoming cables, the power input connect
Simulation power main road between mouth and power output interface is in series with the first power control switch, second source control is opened
It closes, first power control switch is between power input interface and second source control switch；The power adapter
For providing power supply for control module；The request input unit is used to acquire power-up request, the power down request of operator, and
Pass to control module；The control module is powered on for sending request respectively, power-off signal is to the first management platform, the second pipe
Platform, the first management platform be used to receive the request that double empowerment management devices upload power on, power-off signal, and issue and award
Power powers on, cut-offing instruction is to the control module of double empowerment management devices, and the control module is for receiving under the first management platform
The authorization of hair powers on, cut-offing instruction, and the first power control switch of control closure disconnects, and passes through suggestion device prompting；Described
Two management platforms be used to receive the request that double empowerment management devices upload power on, power-off signal, and issue authorization and power on, power off and refer to
Enable to the control module of double empowerment management devices, the control module be used to receive second manage the authorization that platform issues power on,
Cut-offing instruction, control second source control switch closure are disconnected, and are reminded by suggestion device.Double authorizations of the utility model
Cabinet is identical as the structure of double empowerment management devices disclosed in the utility model patent application No. is 201710392178.9.
The power supply has voltage, electric current, phase sequence adjustable function；Power supply, which uses, has voltage output, electric current
The virtual power supply of output and phase output function, the input terminal of the virtual power supply and high press fitting table connect electric training cabinet or low
Press fitting table connects the electric power incoming line terminal connection that electric training cabinet is equipped with, and the electric power incoming line terminal is used to go out with double authorization control cabinets
Line end connection, between the virtual power supply and electric power incoming line terminal be equipped with contactor KM1, for control virtual power supply and power supply into
The on-off of route between line terminals, the coil and scram button JT, relay J33 of contactor KM1 are connected on the power supply of contactor
In circuit, the coil of relay J33 is connected with the output end of corresponding failure setting controller, and failure setting controller is used for
It controls relay J33 to be powered or power off, controls the start and stop of virtual power supply.Connect on route between virtual power supply and electric power incoming line terminal
It is connected to green indicating lamp.Virtual power supply band 485 or 232 communicate, it is only necessary to the control routine of virtual power supply can to this into
Row compiling.
Power supply is installed in the present embodiment cabinet, provides operating voltage, work electricity to voltage transformer, current transformer
Stream.3 × 100V(of electric power output voltage phase three-wire three), single-phase output power is not less than 100VA；Export electric current not less than 2 ×
30A, single-phase output power are not less than 100VA；Power supply has good fault tolerance, and any wiring error not will lead to power supply
Damage.The power supply uses the virtual power supply with voltage output, electric current output and phase output function.Virtual electricity
Source can be realized under-voltage simulation, undercurrent is simulated, phase shortage simulation, phase shortage simulation, perception/resistive load simulation, simulation output is adjustable
Alternating voltage (0-380V), three-phase load unbalance simulation, simulation output adjustable current, analogue phase is adjustable.
It corrects errors with wiring and connects electric actual training device construction using various power distribution cabinets as carrier with the dress table of fabrication evaluation, pass through mould
The installation and operation environment at quasi- load control system loading simulation scene, it is real that field failure simulation meets high pressure experience system, low pressure
Exercising system demand.Height press fitting Biao Jie electricity real training area: including the training of wiring technique, the positive error detection training of wiring, fault simulation training.
High press fitting table connects electrical analogue should be consistent with the content that live high press fitting table connect electricity, and the teaching training that is powered can be carried out in 400V environment
Instruction.Low pressure Zhuan Biaojie electricity real training area: including the training of wiring process Installation, the use training of measuring instrument；Fault simulation training is
Various failures are led to a phenomenon and consequence observation analysis real training.Low pressure dress table connects electrical analogue should connect the content of electricity with live low pressure dress table
Unanimously.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, it is clear that this field
Technical staff various modification and variations can be carried out to the utility model without departing from the spirit and scope of the utility model.This
Sample, if these modifications and variations of the present invention belong to the claims of the present invention and its equivalent technology range it
Interior, then the utility model is also intended to include these modifications and variations.
Claims (10)
1. a kind of correct errors with wiring connects electric actual training device with the dress table of fabrication evaluation, it is characterised in that: connect including high press fitting table
Electric training cabinet and low pressure dress table connect electric training cabinet, and the high press fitting table, which connects, to be equipped with for carrying out high pressure for student in electric training cabinet
Dress table connects high pressure simulation current transformer, high pressure simulation voltage transformer, high-voltage electric energy measurement table and the simulation of electric installation training
Terminal box, and for providing the power supply of operating voltage, operating current；The low pressure dress table, which connects in electric training cabinet, to be equipped with
For carrying out low-voltage simulation current transformer, low-voltage electric energy metering table and the simulation connection of low pressure dress table installation training for student
Box, and for providing the power supply of operating voltage, operating current；The high press fitting table connects electric training cabinet or low pressure dress table connects
Technique photographic device is installed in electric training cabinet, is clapped for connecing electrical connection according to high press fitting table of the command signal to student
It takes the photograph, and the picture after shooting is passed into computer, the picture that the computer receives the transmitting of technique photographic device is saved
And it shows；It further includes correcting errors for the electric energy metering device wiring of the positive error detection training of wiring that the high press fitting table, which connects electric training cabinet,
Identification device, the electric energy metering device wiring correct errors identification device with intelligent detecting function, can detect judgement installation automatically
The error or fault of the voltage circuit of wiring, current loop, and issue failure instruction；The electric energy metering device wiring is corrected errors knowledge
Other device is used for the wiring that will test data of correcting errors and passes to computer, and the computer receives electric energy metering device wiring and corrects errors
The wiring data of correcting errors of identification device transmitting are saved and are shown.
2. according to claim 1 correct errors with wiring connects electric actual training device with the dress table of fabrication evaluation, it is characterised in that:
Technique photographic device receives terminal by wireless data and computer carries out communication connection；Electric energy metering device wiring just misidentifies
Device carries out communication connection by 485 data receiving terminals and computer.
3. according to claim 1 correct errors with wiring connects electric actual training device with the dress table of fabrication evaluation, it is characterised in that:
High pressure simulation current transformer, high pressure simulation voltage transformer, simulation connection box are electrically connected with high voltage fault setting controller respectively
Connect, high voltage fault setting controller connect with computer, for receiving the command signal of computer, export respectively control signal to
High pressure simulation current transformer, high pressure simulation voltage transformer, simulation connection box, control high pressure simulation current transformer carry out two
Secondary pendant polar positive and negative fault simulation setting, the on-off fault simulation setting of route, the simulation setting of no-load voltage ratio switch failure；And control
High pressure simulation voltage transformer carries out the setting of Phase-Sequence Transformation fault simulation, single-phase on-off fault simulation setting, open-phase fault mould
It proposes and sets；And control simulation connection box carries out open circuit fault simulation setting, the exceeded fault simulation setting of impedance loop, for height
Press fitting table connects the various failures of electricity and leads to a phenomenon and consequence observation analysis real training；Low-voltage simulation current transformer, simulation connection box point
It is not electrically connected with low voltage failure setting controller, low voltage failure setting controller is connect with computer, for receiving computer
Command signal exports control signal to low-voltage simulation current transformer, simulation connection box respectively, controls low pressure dress table and connect electric real training
Low-voltage simulation current transformer in cabinet carries out secondary pendant polar positive and negative fault simulation setting, the on-off fault simulation of route is set
It sets, the simulation setting of no-load voltage ratio switch failure；And control simulation connection box carries out open circuit fault simulation setting, the exceeded event of impedance loop
Barrier simulation setting connects the various failures of electricity for low pressure dress table and leads to a phenomenon and consequence observation analysis real training；
The high voltage fault setting controller includes Switching Power Supply and PLC controller or single-chip microcontroller, and the Switching Power Supply is for giving
PLC controller power supply, the output end of the PLC controller is connected with several intermediate relays, for controlling intermediate relay
Be powered or power-off, each intermediate relay for respectively correspond control high pressure simulation current transformer, high pressure simulation voltage transformer,
The energization or power-off of contactor or relay in simulation connection box control high pressure simulation current transformer, high pressure simulation respectively
Voltage transformer, simulation connection box carry out high voltage fault setting；The low voltage failure setting controller includes Switching Power Supply and PLC
Controller or single-chip microcontroller, the Switching Power Supply is used to power to PLC controller, if the output end of the PLC controller is connected with
Dry intermediate relay, for controlling the energization or power-off of intermediate relay, each intermediate relay is for respectively corresponding control low pressure
The energization or power-off of analog current mutual inductor, the contactor in simulation connection box or relay control low-voltage simulation electric current respectively
Mutual inductor, simulation connection box carry out low voltage failure setting；High voltage fault setting controller, low voltage failure setting controller pass through
485 data receiving terminals and computer carry out communication connection；
The electric current of primary side and power supply that the high press fitting table connects the high pressure simulation current transformer in electric training cabinet exports
The secondary side of end connection, high pressure simulation current transformer connects through the current input terminal of simulation connection box and high-voltage electric energy measurement table
It connects, the primary side of high pressure simulation voltage transformer and the voltage output end of power supply connect, high pressure simulation voltage transformer
Secondary side is connect through simulation connection box with the voltage input end of high-voltage electric energy measurement table；The low pressure dress table connects in electric training cabinet
The current output terminal of the primary side of low-voltage simulation current transformer and power supply connects, low-voltage simulation current transformer it is secondary
Side is connect through simulation connection box with the current input terminal of low-voltage electric energy metering table, and the voltage input end of low-voltage electric energy metering table is through mould
The voltage output end of quasi- terminal box and power supply connects.
4. according to claim 1 or 3 correct errors with wiring connects electric actual training device with the dress table of fabrication evaluation, feature exists
In: the high pressure simulation current transformer includes for carrying out the high-tension current mutual inductance that high press fitting table connects electric installation training for student
Device shell and for for student carry out malfunction elimination real training high-tension current inductor analog circuit, the high-tension current mutual inductance
Device analog circuit includes several relays and one or more current transformer Ta, more when current transformer Ta is multiple
Primary side p1, p2 of a current transformer Ta is connected between current input terminal P1 and current input terminal P2, and each electric current is mutual
Secondary side s1, s2 of sensor Ta is connect through no-load voltage ratio switching relay with current output terminal S1, S2 respectively, and each no-load voltage ratio switches relay
On-off of the device for route between corresponding secondary side s1, s2 and current output terminal S1, S2 for controlling each current transformer Ta, and
Between the secondary side s1 and secondary side s2 of the corresponding current transformer Ta of no-load voltage ratio switching relay J36 by except no-load voltage ratio switching after
The auxiliary contact of each no-load voltage ratio switching relay except electric appliance J36 are shorted, and are made when no-load voltage ratio switches relay J36 closure, with
It is not shorted between the secondary side s1 and secondary side s2 of the corresponding current transformer Ta of no-load voltage ratio switching relay J36, except no-load voltage ratio switches
It is short between the secondary side s1 and secondary side s2 of the corresponding current transformer Ta of each no-load voltage ratio switching relay except relay J36
It connects；
When current transformer Ta is one, the primary side p1 of current transformer Ta is connect with current input terminal P1, the electricity
The primary side p2 of current transformer Ta is connect with current input terminal P2, secondary side s1, s2 of current transformer Ta respectively with electric current
Output terminal S1, S2 connection；
Route is equipped with for controlling circuit on-off between the secondary side s1 and current output terminal S1 of the current transformer Ta
Relay J3, the current transformer Ta secondary side s2 and current output terminal S2 between route be equipped be used for control line
The relay J4 of road on-off；It is set on route between secondary side s1, s2 and current output terminal S1, S2 of the current transformer Ta
Have for controlling the positive and negative relay J1 of secondary polarity, relay J2；One end of the first contact of relay J1 is used for and electric current
The secondary side s1 connection of mutual inductor Ta, the other end of the first contact of relay J1 are used to connect with current output terminal S1, after
One end of the second contact of electric appliance J1 for being connect with the secondary side s2 of current transformer Ta, the second contact of relay J1 it is another
One end with current output terminal S2 for connecting, and one end of the first contact of relay J2 is for secondary with current transformer Ta
Side s1 connection, the other end of the first contact of relay J1 with current output terminal S2 for connecting, the second touching of relay J2
One end of point with the secondary side s2 of current transformer Ta for connecting, and the other end of the second contact of relay J1 is used for and electric current
Output terminal S1 connection；Each relay is connect with high voltage fault setting controller, and high voltage fault setting controller is each for controlling
The energization or power-off of relay, control the closing or opening of the contact of relay；Current input terminal P1, P2 for respectively with height
The current output terminal of primary side connecting terminal or power supply on voltage current transformer shell connects, current output terminal S1,
S2 for respectively with the secondary side connecting terminal or simulation connection box or high-voltage electric energy measurement table on high-tension current inductor shell
Current input terminal connection；The high-tension current inductor shell, high voltage potential transformer shell, simulation connection box, high-voltage electricity
Energy gauge table is separately mounted to high press fitting table and connects on the operating surface being arranged in the cabinet body of electric training cabinet, carries out height for student and is pressed table
Connect galvanic process training on installation.
5. according to claim 1 or 3 correct errors with wiring connects electric actual training device with the dress table of fabrication evaluation, feature exists
In: the low-voltage simulation current transformer includes for carrying out the low-tension current mutual inductance that low pressure dress table connects electric installation training for student
Device shell and for for student carry out malfunction elimination real training low-voltage current mutual inductor analog circuit, the low-tension current mutual inductance
Device analog circuit includes several relays and one or more current transformer Ta, more when current transformer Ta is multiple
Primary side p1, p2 of a current transformer Ta is connected between current input terminal P1 and current input terminal P2, and each electric current is mutual
Secondary side s1, s2 of sensor Ta is connect through no-load voltage ratio switching relay with current output terminal S1, S2 respectively, and each no-load voltage ratio switches relay
On-off of the device for route between corresponding secondary side s1, s2 and current output terminal S1, S2 for controlling each current transformer Ta, and
Between the secondary side s1 and secondary side s2 of the corresponding current transformer Ta of no-load voltage ratio switching relay J34 by except no-load voltage ratio switching after
The auxiliary contact of each no-load voltage ratio switching relay except electric appliance J34 are shorted, and are made when no-load voltage ratio switches relay J34 closure, with
It is not shorted between the secondary side s1 and secondary side s2 of the corresponding current transformer Ta of no-load voltage ratio switching relay J34, except no-load voltage ratio switches
It is short between the secondary side s1 and secondary side s2 of the corresponding current transformer Ta of each no-load voltage ratio switching relay except relay J34
It connects；
When current transformer Ta is one, the primary side p1 of current transformer Ta is connect with current input terminal P1, the electricity
The primary side p2 of current transformer Ta is connect with current input terminal P2, secondary side s1, s2 of current transformer Ta respectively with electric current
Output terminal S1, S2 connection；
Route is equipped with for controlling circuit on-off between the secondary side s1 and current output terminal S1 of the current transformer Ta
Relay J3, the current transformer Ta secondary side s2 and current output terminal S2 between route be equipped be used for control line
The relay J4 of road on-off；It is set on route between secondary side s1, s2 and current output terminal S1, S2 of the current transformer Ta
Have for controlling the positive and negative relay J1 of secondary polarity, relay J2；One end of the first contact of relay J1 is used for and electric current
The secondary side s1 connection of mutual inductor Ta, the other end of the first contact of relay J1 are used to connect with current output terminal S1, after
One end of the second contact of electric appliance J1 for being connect with the secondary side s2 of current transformer Ta, the second contact of relay J1 it is another
One end with current output terminal S2 for connecting, and one end of the first contact of relay J2 is for secondary with current transformer Ta
Side s1 connection, the other end of the first contact of relay J1 with current output terminal S2 for connecting, the second touching of relay J2
One end of point with the secondary side s2 of current transformer Ta for connecting, and the other end of the second contact of relay J1 is used for and electric current
Output terminal S1 connection；Each relay is connect with low voltage failure setting controller, and low voltage failure setting controller is each for controlling
The energization or power-off of relay, control the closing or opening of the contact of relay；Current input terminal P1, P2 for respectively with confession
The current output terminal of power supply or the primary side connecting terminal connection on low-voltage current mutual inductor shell, current output terminal S1,
S2 for respectively with the secondary side connecting terminal or simulation connection box or low-voltage electric energy metering table on low-voltage current mutual inductor shell
Current input terminal connection；The low-voltage current mutual inductor shell, simulation connection box, low-voltage electric energy metering table are separately mounted to low
Press fitting table connects on the operating surface being arranged in the cabinet body of electric training cabinet, carries out low pressure dress table for student and connects galvanic process training on installation；Institute
State the bus bar of the voltage output end setting of the primary side connecting terminal and power supply that are arranged on low-voltage current mutual inductor shell
Connection.
6. according to claim 1 or 3 correct errors with wiring connects electric actual training device with the dress table of fabrication evaluation, feature exists
In: the analog voltage mutual inductor includes for carrying out two high tension voltage mutual inductances that high press fitting table connects electric installation training for student
Device shell and for for student carry out malfunction elimination real training high voltage potential transformer analog circuit, the high tension voltage mutual inductance
Device analog circuit includes three-phase transformer and several control switches, and the primary side A of the three-phase transformer is through the first control switch
Connect with voltage wiring terminal A, the primary side B of the three-phase transformer through the second control switch respectively with voltage wiring terminal B
Connection, the primary side C of the three-phase transformer are connect through third control switch with voltage wiring terminal C；The three-phase transformer
Secondary side a connect respectively through the 4th control switch, the 5th control switch, the 6th control switch with voltage wiring terminal a, b, c,
The secondary side b of the three-phase transformer is respectively through the 7th control switch, the 8th control switch, the 9th control switch and voltage link
Terminal a, b, c connection, the secondary side c of the three-phase transformer is through the tenth control switch, the 11st control switch, the 12nd control
Switch is connect with voltage wiring terminal a, b, c respectively；
First control switch, the second control switch, third control switch, the 4th control switch, the 5th control switch, the 6th
Control switch, the 7th control switch, the 8th control switch, the 9th control switch, the tenth control switch, the 11st control switch,
12nd control switch is connect with high voltage fault setting controller, and high voltage fault setting controller is for controlling each control switch
Closing or opening；Contactor or relay is respectively adopted in each control switch；
Primary side connecting terminal A on first high voltage potential transformer shell is connect with voltage wiring terminal A, the first high tension voltage
The primary side connecting terminal A on primary side connecting terminal B and the second high voltage potential transformer shell in transformer housing is equal
It is connect with voltage wiring terminal B, the primary side connecting terminal B on the second high voltage potential transformer shell is used for and voltage terminal
Sub- C connection, the secondary side connecting terminal a on the first high voltage potential transformer shell are connect with voltage wiring terminal a, the first high pressure
The secondary side connecting terminal on secondary side connecting terminal b and the second high voltage potential transformer shell on voltage transformer shell
A is connect with voltage wiring terminal b, and the secondary side connecting terminal b on the second high voltage potential transformer shell with voltage for connecing
Line terminals c connection；
Primary side connecting terminal A on first high voltage potential transformer shell is used to connect with the U phase voltage output end of power supply
It connects, one on primary side connecting terminal B and the second high voltage potential transformer shell on the first high voltage potential transformer shell
The secondary sub- A of side terminal is connect with the V phase voltage output end of power supply, the primary side on the second high voltage potential transformer shell
For connecting with the W phase voltage output end of power supply, secondary on the first high voltage potential transformer shell flanks connecting terminal B
Line terminals a is used to connect with the U phase voltage input terminal of the voltage input terminal a of simulation connection box or high-voltage electric energy measurement table, the
Secondary on secondary side connecting terminal b and the second high voltage potential transformer shell on one high voltage potential transformer shell flanks
Line terminals a is used to connect with the V phase voltage input terminal of the voltage input terminal b of simulation connection box or high-voltage electric energy measurement table,
Secondary side connecting terminal b on second high voltage potential transformer shell is for the voltage input terminal c or high with simulation connection box
Press the W phase voltage input terminal connection of electric energy meter.
7. according to claim 1 or 3 correct errors with wiring connects electric actual training device with the dress table of fabrication evaluation, feature exists
In: the analog voltage mutual inductor includes for carrying out two high tension voltage mutual inductances that high press fitting table connects electric installation training for student
Device shell and for for student carry out malfunction elimination real training high voltage potential transformer analog circuit, the high tension voltage mutual inductance
Device analog circuit includes several control switches, the 4th control switch, the 5th control switch, the 6th control switch one end with electricity
Crimp line terminals A connection, the 4th control switch, the 5th control switch, the 6th control switch the other end respectively with voltage link
Terminal a, b, c connection, the 7th control switch, the 8th control switch, the 9th control switch one end with voltage wiring terminal B connect
Connect, the 7th control switch, the 8th control switch, the 9th control switch the other end connect respectively with voltage wiring terminal a, b, c,
Tenth control switch, the 11st control switch, the 12nd control switch one end connect with voltage wiring terminal C, the tenth control
Make switch, the other end of the 11st control switch, the 12nd control switch is connect with voltage wiring terminal a, b, c respectively；First
Control switch is connected between voltage wiring terminal A and voltage wiring terminal a, and the second control switch is connected on voltage wiring terminal
Between B and voltage wiring terminal b, third control switch is connected between voltage wiring terminal C and voltage wiring terminal c；
First control switch, the second control switch, third control switch, the 4th control switch, the 5th control switch, the 6th
Control switch, the 7th control switch, the 8th control switch, the 9th control switch, the tenth control switch, the 11st control switch,
12nd control switch is connect with high voltage fault setting controller, and high voltage fault setting controller is for controlling each control switch
Closing or opening；Contactor or relay is respectively adopted in each control switch；
Primary side connecting terminal A on first high voltage potential transformer shell is connect with voltage wiring terminal A, the first high tension voltage
The primary side connecting terminal A on primary side connecting terminal B and the second high voltage potential transformer shell in transformer housing is equal
It is connect with voltage wiring terminal B, the primary side connecting terminal B on the second high voltage potential transformer shell is used for and voltage terminal
Sub- C connection, the secondary side connecting terminal a on the first high voltage potential transformer shell are connect with voltage wiring terminal a, the first high pressure
The secondary side connecting terminal on secondary side connecting terminal b and the second high voltage potential transformer shell on voltage transformer shell
A is connect with voltage wiring terminal b, and the secondary side connecting terminal b on the second high voltage potential transformer shell with voltage for connecing
Line terminals c connection；
Primary side connecting terminal A on first high voltage potential transformer shell is used to connect with the U phase voltage output end of power supply
It connects, one on primary side connecting terminal B and the second high voltage potential transformer shell on the first high voltage potential transformer shell
The secondary sub- A of side terminal is connect with the V phase voltage output end of power supply, the primary side on the second high voltage potential transformer shell
For connecting with the W phase voltage output end of power supply, secondary on the first high voltage potential transformer shell flanks connecting terminal B
Line terminals a is used to connect with the U phase voltage input terminal of the voltage input terminal a of simulation connection box or high-voltage electric energy measurement table, the
Secondary on secondary side connecting terminal b and the second high voltage potential transformer shell on one high voltage potential transformer shell flanks
Line terminals a is used to connect with the V phase voltage input terminal of the voltage input terminal b of simulation connection box or high-voltage electric energy measurement table,
Secondary side connecting terminal b on second high voltage potential transformer shell is for the voltage input terminal c or high with simulation connection box
Press the W phase voltage input terminal connection of electric energy meter.
8. according to claim 1 or 3 correct errors with wiring connects electric actual training device with the dress table of fabrication evaluation, feature exists
In: it is respectively arranged between each end of incoming cables of the simulation connection box and corresponding leading-out terminal in parallel by the first control switch
Control the two lines road of on-off respectively with the second control switch, wherein being in series with resistance on a route, first control is opened
It closes and the second control switch is connected with corresponding failure setting controller, failure sets controller for controlling the first control switch
With the closing or opening of the second control switch；First control switch and the second control switch use contactor or relay,
First control switch, the second control switch are respectively the normally opened contact and normally-closed contact of contactor or relay, and normally opened touching is arranged
Resistance is in series on the route of point.
9. according to claim 1 correct errors with wiring connects electric actual training device with the dress table of fabrication evaluation, it is characterised in that:
It further include multiple double authorization control cabinets, the leading-out terminal of each double authorization control cabinets connects electric training cabinet or low pressure dress with high press fitting table respectively
Table connects the electric power incoming line terminal connection of electric training cabinet, and each high press fitting table connects electric training cabinet, low pressure dress table connects electric training cabinet and matches
Set a double authorization control cabinet；Double authorization control cabinets are equipped with power adapter, control module, request input unit, prompt
Device, and power input interface for being connect with power supply and for being connect with high voltage power supply simulator end of incoming cables
Power output interface, the simulation power main road between the power input interface and power output interface are in series with first
Power control switch, second source control switch, first power control switch are located at power input interface and second source
Between control switch；The power adapter is used to provide power supply for control module；The request input unit is for acquiring behaviour
Make power-up request, the power down request of personnel, and passes to control module；The control module, which is used to send respectively, to be requested to power on,
Power-off signal is to the first management platform, the second management platform, and the first management platform is for receiving double empowerment management devices
The request of biography powers on, power-off signal, and issue authorization power on, cut-offing instruction to double empowerment management devices control module, it is described
Control module be used to receive the first authorization for issuing of management platform power on, cut-offing instruction, the first power control switch of control is closed,
It disconnects, and is reminded by suggestion device；The second management platform be used to receive the request that double empowerment management devices upload power on,
Power-off signal, and issue that authorization powers on, cut-offing instruction is to the control module of double empowerment management devices, the control module is for connecing
Receive the second authorization for issuing of management platform power on, cut-offing instruction, control second source control switch closure disconnects, and by mentioning
Showing device is reminded；The power supply has voltage, electric current, phase sequence adjustable function；Power supply, which uses, has voltage output, electricity
The virtual power supply of stream output and phase output function, the input terminal of the virtual power supply and high press fitting table connect electric training cabinet or
Low pressure dress table connects the electric power incoming line terminal connection that electric training cabinet is equipped with, and the electric power incoming line terminal is described for being electrically connected with city
Contactor KM1 is equipped between virtual power supply and electric power incoming line terminal, for controlling line between virtual power supply and electric power incoming line terminal
The on-off on road, the coil and scram button JT, relay J33 of contactor KM1 are connected in the current supply circuit of contactor, relay
The coil of J33 is connected with the output end of corresponding controller, which is powered or powers off for controlling relay J33, control
The start and stop of virtual power supply.
10. according to claim 1 correct errors with wiring connects electric actual training device with the dress table of fabrication evaluation, feature exists
In: it further include student's real training video frequency tracking evaluation system, including station area video monitoring apparatus, individual soldier operate video monitoring dress
The distinguishing mark with operator is set and is worn on, each individual soldier operates video monitoring apparatus and is used for respectively to corresponding operation
The execute-in-place process of personnel carries out captured in real-time, and the individual soldier of captured in real-time operation video data is passed at video analysis
Work station is managed, the video analysis processing workstation operates video data for receiving individual soldier, and operates and regard according to each individual soldier
The corresponding unique mark of frequency monitoring device identifies that individual soldier operates the corresponding operator's identity of video data, respectively corresponds guarantor
The individual soldier for depositing each operator operates video data；Each station area video monitoring apparatus is used for corresponding real training station area
Captured in real-time is carried out, and the station of captured in real-time monitoring video data is passed into video analysis processing workstation, the video
It analyzes processing workstation and monitors video data for receiving station, and include according in each frame image of station monitoring video data
Personnel identity identification tag information, complete the position positioning and identity information identification of each operator, and by each operation
The movable range that the position of personnel is set with it compares, and analyzes the behaviour area whether each operator exceeds its permission
Domain, and prompted.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820882977.4U CN209417960U (en) | 2018-06-08 | 2018-06-08 | It corrects errors with wiring and connects electric actual training device with the dress table of fabrication evaluation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820882977.4U CN209417960U (en) | 2018-06-08 | 2018-06-08 | It corrects errors with wiring and connects electric actual training device with the dress table of fabrication evaluation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108777089A (en) * | 2018-06-08 | 2018-11-09 | 国家电网有限公司 | A kind of correct errors with wiring connects electric training system with the dress table of fabrication evaluation |
| CN110969918A (en) * | 2019-11-29 | 2020-04-07 | 广西师范大学 | Method and system for reproducing wiring behavior process of student electrical experiment |
| CN111415546A (en) * | 2020-05-28 | 2020-07-14 | 广东电网有限责任公司培训与评价中心 | Serial-type electric energy measurement emulation training device that works a telephone switchboard |
| CN111415558A (en) * | 2020-05-28 | 2020-07-14 | 广东电网有限责任公司培训与评价中心 | Parallel low-voltage three-phase four-wire electric energy metering simulation wiring training cabinet |
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2018
- 2018-06-08 CN CN201820882977.4U patent/CN209417960U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108777089A (en) * | 2018-06-08 | 2018-11-09 | 国家电网有限公司 | A kind of correct errors with wiring connects electric training system with the dress table of fabrication evaluation |
| CN108777089B (en) * | 2018-06-08 | 2024-03-01 | 国家电网有限公司 | Meter-loading electricity-connection training system with wiring correction and process detection |
| CN110969918A (en) * | 2019-11-29 | 2020-04-07 | 广西师范大学 | Method and system for reproducing wiring behavior process of student electrical experiment |
| CN110969918B (en) * | 2019-11-29 | 2021-07-13 | 广西师范大学 | Method and system for reproducing wiring behavior process of student electrical experiment |
| CN111415546A (en) * | 2020-05-28 | 2020-07-14 | 广东电网有限责任公司培训与评价中心 | Serial-type electric energy measurement emulation training device that works a telephone switchboard |
| CN111415558A (en) * | 2020-05-28 | 2020-07-14 | 广东电网有限责任公司培训与评价中心 | Parallel low-voltage three-phase four-wire electric energy metering simulation wiring training cabinet |
| CN111415558B (en) * | 2020-05-28 | 2022-03-29 | 广东电网有限责任公司培训与评价中心 | Parallel low-voltage three-phase four-wire electric energy metering simulation wiring training cabinet |
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