A kind of basic electrician practical training apparatus
Technical field
The utility model is related to a kind of basic electrician practical training apparatus.
Background technology
At present, generally require to carry out them basic electrician's training before hilllock work is formally entered for the electrician that newly enters, with
All it is, with new employee, to carry out actual combat operation or theory explaination by master craftsman toward this work, it is not systematic to learn and examine
Kernel mode, often exists and learns not in place, go wrong the problem of cannot solving in work.
Utility model content
The utility model purpose is to provide a kind of basic electrician practical training apparatus, and the utility model practical traning platform can carry out single-phase
Electric energy meter, three-phase and four-line metering device, the direct-type of photovoltaic electric energy meter, the installation wiring training of indirect type;Bottom plate uses many work(
Energy mesh plate, is easy to electrical equipment demolition, installation;Next modular design concept, device is according to different function disparate modules lists
Meta design;It is the installation distribution that all above-mentioned electrical equipment are completed in the case of cold again.Installing can lead to as needed
Electric test;It is safe and reliable;Also practical traning platform does not provide mains supply in itself(Virtual load source can be matched), it is ensured that safety;Then exist
Practical traning platform increases general supply RCCB, increases safeguard protection.
The technical scheme that in order to solve the above-mentioned technical problem the utility model is used is:
A kind of basic electrician practical training apparatus, including virtual load source inside practical traning platform and installed in practical traning platform just before
Wiring module on square mesh plate;The virtual load source is connected by circuit with external power supply, and the external power supply includes live wire
L, zero line N and ground wire PE, wherein the live wire L, zero line N are connected by circuit with virtual load source respectively, the ground wire PE
It is grounded by grounding terminal block;Total earth leakage protective device is also equipped with circuit between the live wire L, zero line N and virtual load source
With A.C. contactor KM1 main contacts;Circuit between total earth leakage protective device and A.C. contactor the KM1 main contacts is opened with equipment
The dynamic control loop that stops is connected;The Wiring module includes three-phase meter Wiring module, single-phase meter Wiring module and photovoltaic wiring mould
Block, wherein the virtual load source passes through circuit and three-phase meter Wiring module, single-phase meter Wiring module and photovoltaic Wiring module respectively
It is connected;First voltage electric current gauge table, are sequentially installed with circuit between the virtual load source and three-phase meter Wiring module
One RCCB and the first power supply terminal;Pacify successively on circuit between the virtual load source and single-phase meter Wiring module
Equipped with second voltage electric current gauge table, the second RCCB and second source binding post;The virtual load source connects with photovoltaic
1 tertiary voltage electric current gauge table, 2 the 3rd RCCBs and 2 the 3rd are sequentially installed with circuit between wire module
Power supply terminal;The virtual load source is connected with integrated computer.
A.C. contactor KM1 inside practical traning platform;Wherein described start button SB1, cut-off button SB2, left urgency
Stop connecting by circuit between button, right scram button, A.C. contactor KM1 coils;The normally opened auxiliary of A.C. contactor KM1
Connected between contact, start indicator lamp by circuit;Between the A.C. contactor KM1 normally closed auxiliary contacts, stopping indicator lamp
Connected by circuit;The start button SB1, cut-off button SB2, left scram button, right scram button, A.C. contactor KM1
Between coil connect after circuit connected respectively between the normally opened auxiliary contact of A.C. contactor KM1, start indicator lamp after line
Road, the lines in parallel after being connected between A.C. contactor KM1 normally closed auxiliary contacts, stopping indicator lamp, and one end and fire after parallel connection
Circuit between line L, virtual load source is connected, and the other end after parallel connection is connected with the circuit between zero line N, virtual load source;It is described
Between circuit and the normally opened auxiliary contact of A.C. contactor KM1, start indicator lamp between start button SB1, cut-off button SB2
Circuit is connected.
The three-phase meter Wiring module includes being arranged on three-phase four-wire system ammeter, concentrator, terminal box, the 4th on mesh plate
RCCB, the one 485 binding post, the first load wiring terminal, current transformer;First power supply terminal leads to
Cross circuit with the first load wiring terminal to be connected, wherein the circuit between the first power supply terminal and the first load wiring terminal
On be sequentially installed with current transformer and the 4th RCCB;The current transformer is connected by circuit with terminal box, institute
State terminal box respectively by circuit with three-phase four-wire system ammeter, concentrator to be connected, between the three-phase four-wire system ammeter, concentrator
It is connected by RS485 buses with the one 485 binding post.
The single-phase meter Wiring module includes being arranged on chopper switch, the first single-phase meter, the 5th leakage, breaking on mesh plate
Device, lamp binding post, single control or dual control lamp switch, the 2nd 485 binding post, the second load wiring terminal;The second source
Binding post is connected by circuit with chopper switch, and the chopper switch is connected by circuit with the first single-phase meter;Described first
Single-phase meter is connected by circuit with the 5th RCCB, and first single-phase meter passes through RS485 buses and the 2nd 485 wiring
Terminal is connected;5th RCCB is connected by circuit with lamp binding post, the second load wiring terminal respectively, described
Lamp binding post is connected by circuit with single control or dual control lamp switch, and the lamp binding post is also connect by circuit with the second load
Line terminals are connected.
The photovoltaic Wiring module includes the first breaker, photovoltaic magic list, the second breaker, the 3rd breaker, second
Single-phase meter, the 4th breaker, the 3rd 485 binding post, the 3rd load wiring terminal;In wherein 2 the 3rd power supply terminals
One of them is connected as civil power inlet wire by circuit with the first breaker;First breaker is two-way with photovoltaic by circuit
Table is connected;The photovoltaic magic list is connected by circuit with the second breaker, the 3rd breaker respectively;The photovoltaic magic list is also
It is connected respectively with the second single-phase meter, the 3rd 485 binding post by RS485 buses;Second breaker passes through circuit and
Three load wiring terminals are connected;3rd breaker is connected by circuit with the second single-phase meter, and second single-phase meter passes through
Circuit is connected with the 4th breaker, the 4th breaker with 2 the 3rd power supply terminals another as generate electricity into
Line is connected by circuit.
The beneficial effects of the utility model are:The utility model practical traning platform can carry out single-phase electric energy meter, three-phase and four-line metering
Device, the direct-type of photovoltaic electric energy meter, the installation wiring training of indirect type;Bottom plate uses multifunctional mesh orifice plate, is easy to electric member
Part demolition, installation are convenient;Next modular design concept, device is according to modularized design;It is that institute is completed in the case of cold again
There is the installation distribution of above-mentioned electrical equipment.Installing as needed can be with energizing test;It is safe and reliable;Also practical traning platform is not carried in itself
Power supply source(Virtual load source can be matched), it is ensured that safety;Then general supply RCCB is increased in practical traning platform, increase safety is protected
Shield.
Brief description of the drawings
Fig. 1 is structure chart of the present utility model;
Fig. 2 is A portions enlarged drawing in Fig. 1;
Fig. 3 is B portions enlarged drawing in Fig. 1.
Embodiment
Embodiment 1
A kind of basic electrician practical training apparatus of the present embodiment, as Figure 1-3, including the void inside practical traning platform is negative
Lotus source 1 and the Wiring module on mesh plate immediately ahead of practical traning platform;The virtual load source 1 passes through circuit and external power supply 2
Be connected, the external power supply 2 include live wire L, zero line N and ground wire PE, wherein the live wire L, zero line N respectively by circuit with
Virtual load source 1 is connected, and the ground wire PE is grounded by grounding terminal block 20;Between the live wire L, zero line N and virtual load source 1
Circuit on be also equipped with total earth leakage protective device 16 and A.C. contactor KM1 main contacts 17;Total earth leakage protective device 16 and friendship
Circuit between stream contactor KM1 main contacts 17 starts stopping control loop 3 with equipment and is connected;The Wiring module includes three-phase
Table Wiring module 4, single-phase meter Wiring module 5 and photovoltaic Wiring module 6, wherein the virtual load source 1 passes through circuit and three respectively
Phase table Wiring module 4, single-phase meter Wiring module 5 are connected with photovoltaic Wiring module 6;The virtual load source 1 and three-phase meter wiring mould
First voltage electric current gauge table 7, the first RCCB 8 and the first supply terminals are sequentially installed with circuit between block 4
Son 9;Be sequentially installed with circuit between the virtual load source 1 and single-phase meter Wiring module 5 second voltage electric current gauge table 10,
Second RCCB 11 and second source binding post 12;On circuit between the virtual load source 1 and photovoltaic Wiring module 6
It is sequentially installed with 1 tertiary voltage electric current gauge table 13,2 the 3rd RCCBs 14 and 2 the 3rd power supply terminals 15;
The virtual load source 1 and integrated computer(Do not show in figure)It is connected.Virtual load source 1 is by computer software control, the control needed for realizing
Voltage processed and control electric current.
The equipment start stop control loop 3 and include being arranged on the practical traning platform above mesh plate start button SB1,
Cut-off button SB2, start indicator lamp 23, stopping indicator lamp 24;Left scram button 21 on the left of practical traning platform;Installed in reality
Instruct the right scram button 22 on the right side of platform;A.C. contactor KM1 inside practical traning platform;It is wherein described start button SB1, disconnected
Connected between eletric button SB2, left scram button 21, right scram button 22, A.C. contactor KM1 coils by circuit;It is described to hand over
Connected between the normally opened auxiliary contact of stream contactor KM1, start indicator lamp 23 by circuit;The A.C. contactor KM1 is normally closed auxiliary
Help contact, stop connecting by circuit between indicator lamp 24;The start button SB1, cut-off button SB2, left scram button 21,
Circuit after being connected between right scram button 22, A.C. contactor KM1 coils is touched with the normally opened auxiliary of A.C. contactor KM1 respectively
Circuit after being connected between point, start indicator lamp 23, goes here and there between A.C. contactor KM1 normally closed auxiliary contacts, stopping indicator lamp 24
Lines in parallel after connection, and circuit after parallel connection between one end and live wire L, virtual load source 1 is connected, it is in parallel after the other end and zero
Circuit between line N, virtual load source 1 is connected;Circuit and A.C. contactor between the start button SB1, cut-off button SB2
Circuit between the normally opened auxiliary contact of KM1, start indicator lamp 23 is connected.
The three-phase meter Wiring module 4 includes being arranged on three-phase four-wire system ammeter 25, concentrator 26, terminal box on mesh plate
27th, the 4th RCCB 28, the one 485 binding post 29, the first load wiring terminal 30, current transformer 41;Described
One power supply terminal 9 is connected by circuit with the first load wiring terminal 30, wherein the first power supply terminal 9 and first negative
Carry and be sequentially installed with the RCCB 28 of current transformer 41 and the 4th on the circuit between binding post 30;The Current Mutual Inductance
Device 41 is connected by circuit with terminal box 27, and the terminal box 27 passes through circuit and three-phase four-wire system ammeter 25, concentrator respectively
26 are connected, and are connected between the three-phase four-wire system ammeter 25, concentrator 26 by RS485 buses with the one 485 binding post 29.
The single-phase meter Wiring module 5 includes being arranged on chopper switch 31 on mesh plate, the electric leakage of the first single-phase meter the 32, the 5th
Breaker 33, lamp binding post 34, single control or dual control lamp switch 35, the 2nd 485 binding post 36, the second load wiring terminal
37;The second source binding post 12 is connected by circuit with chopper switch 31, and the chopper switch 31 passes through circuit and
One single-phase meter 32 is connected;First single-phase meter 32 is connected by circuit with the 5th RCCB 33, and described first single-phase
Table 32 is connected by RS485 buses with the 2nd 485 binding post 36;5th RCCB 33 passes through circuit and lamp respectively
Binding post 34, the second load wiring terminal 37 are connected, and the lamp binding post 34 passes through circuit and single control or dual control lamp switch
35 are connected, and the lamp binding post 34 is also connected by circuit with the second load wiring terminal 37.
The photovoltaic Wiring module 6 includes the first breaker 18, photovoltaic magic list 19, the open circuit of the second breaker the 38, the 3rd
Device 39, the second single-phase meter 40, the 4th breaker 41, the 3rd 485 binding post 42, the 3rd load wiring terminal 43;Wherein 2
One of them in three power supply terminals 15 is connected as civil power inlet wire by circuit with the first breaker 18;First open circuit
Device 18 is connected by circuit with photovoltaic magic list 19;The photovoltaic magic list 19 passes through circuit and the second breaker 38, respectively
Three breakers 39 are connected;The photovoltaic magic list 19 also by RS485 buses respectively with the second single-phase meter 40, the 3rd 485 wiring
Terminal 42 is connected;Second breaker 38 is connected by circuit with the 3rd load wiring terminal 43;3rd breaker 39
It is connected by circuit with the second single-phase meter 40, second single-phase meter 40 is connected by circuit with the 4th breaker 41, described
Four breakers 41 are connected with another in 2 the 3rd power supply terminals 15 as generating inlet wire by circuit.
A kind of application method of basic electrician practical training apparatus, comprises the following steps: 1)Basis electricity is given using external power supply 2
It is electric on work practical traning platform, basic electrician is carried out to start-up and trains or takes an examination;
2)Integrated computer system on the basic electrical practice training platform of operation;A) the first power supply terminal 9 is disconnected, makes wiring mould
Block no power, all components and circuit in Wiring module are broken, removed from basic electrical practice training platform mesh plate, in case
Start-up uses;Open teacher's login interface, into and the installation diagram and determination methods of Wiring module are set, wiring mould herein
The setting and training of block can be that three-phase meter Wiring module 4, single-phase meter Wiring module 5 and photovoltaic Wiring module 6 are carried out simultaneously,
One of them or two progress can be selected;b)Start-up by start-up's login interface, into and open teacher and set
Wiring module installation diagram, start to carry out the wiring of each component and circuit on basic electrical practice training platform mesh plate according to figure
(That is the wiring of Wiring module);c)After installation, the first power supply terminal 9 is closed, Wiring module is powered, and utilize electricity
Brain system, which is submitted, to be completed;d)By entering teacher's login interface, using determination methods, connecing on mesh plate is detected under "on" position
Whether each component and circuit in wire module are to be attached according to the connected mode described in the present embodiment, are by system judgement
It is no to complete, mistake is pointed out in computer interface, and scores.
The present embodiment practical traning platform can carry out single-phase electric energy meter, three-phase and four-line metering device, the direct-type of photovoltaic electric energy meter,
Connect the installation wiring training of formula;Bottom plate uses multifunctional mesh orifice plate, is easy to electrical equipment demolition, installation convenient;Secondly modularized design
Theory, device is according to modularized design;It is the installation distribution that all above-mentioned electrical equipment are completed in the case of cold again.Install
Finishing as needed can be with energizing test;It is safe and reliable;Also practical traning platform does not provide power supply in itself(Virtual load source can be matched), it is ensured that
Safety;Then increase general supply RCCB in practical traning platform, increase safeguard protection.