CN206400910U - A kind of basic electrician practical training apparatus - Google Patents

A kind of basic electrician practical training apparatus Download PDF

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Publication number
CN206400910U
CN206400910U CN201621490911.8U CN201621490911U CN206400910U CN 206400910 U CN206400910 U CN 206400910U CN 201621490911 U CN201621490911 U CN 201621490911U CN 206400910 U CN206400910 U CN 206400910U
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China
Prior art keywords
circuit
wiring module
phase meter
pass
binding post
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Active
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CN201621490911.8U
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Chinese (zh)
Inventor
吴志强
车浩军
陶涛
金建敏
陈永祥
刘冰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Shuang Cheng Electric Co., Ltd.
Zhengzhou Yunyong Technology Co., Ltd.
Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
ZHENGZHOU YUNYONG TECHNOLOGY Co Ltd
SHAOXING ELECTRIC POWER COMPLETE EQUIPMENT CO
Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Application filed by ZHENGZHOU YUNYONG TECHNOLOGY Co Ltd, SHAOXING ELECTRIC POWER COMPLETE EQUIPMENT CO, Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical ZHENGZHOU YUNYONG TECHNOLOGY Co Ltd
Priority to CN201621490911.8U priority Critical patent/CN206400910U/en
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Publication of CN206400910U publication Critical patent/CN206400910U/en
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Abstract

The utility model discloses a kind of basic electrician practical training apparatus, including the virtual load source inside practical traning platform and the Wiring module on mesh plate immediately ahead of practical traning platform;The virtual load source is connected by circuit with external power supply;The Wiring module includes three-phase meter Wiring module, single-phase meter Wiring module and photovoltaic Wiring module, wherein the virtual load source is connected by circuit with three-phase meter Wiring module, single-phase meter Wiring module and photovoltaic Wiring module respectively.The utility model practical traning platform can carry out the installation wiring training of single-phase electric energy meter, three-phase and four-line metering device, the direct-type of photovoltaic electric energy meter, indirect type;Bottom plate uses multifunctional mesh orifice plate, is easy to electrical equipment demolition, installation.

Description

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.

Claims (5)

1. a kind of basic electrician practical training apparatus, it is characterised in that:Including the virtual load source inside practical traning platform(1)And installation In the Wiring module immediately ahead of practical traning platform on mesh plate;The virtual load source(1)Pass through circuit and external power supply(2)It is connected, institute State external power supply(2)Including live wire L, zero line N and ground wire PE, wherein the live wire L, zero line N are negative by circuit and void respectively He Yuan(1)It is connected, the ground wire PE passes through grounding terminal block(20)Ground connection;The live wire L, zero line N and virtual load source(1)It Between circuit on be also equipped with total earth leakage protective device(16)With A.C. contactor KM1 main contacts(17);Total earth leakage protective device (16)With A.C. contactor KM1 main contacts(17)Between circuit and equipment start and stop control loop(3)It is connected;The wiring Module includes three-phase meter Wiring module(4), single-phase meter Wiring module(5)With photovoltaic Wiring module(6), wherein the virtual load source (1)Pass through circuit and three-phase meter Wiring module respectively(4), single-phase meter Wiring module(5)With photovoltaic Wiring module(6)It is connected;Institute State virtual load source(1)With three-phase meter Wiring module(4)Between circuit on be sequentially installed with first voltage electric current gauge table(7)、 First RCCB(8)With the first power supply terminal(9);The virtual load source(1)With single-phase meter Wiring module(5)Between Circuit on be sequentially installed with second voltage electric current gauge table(10), the second RCCB(11)With second source binding post (12);The virtual load source(1)With photovoltaic Wiring module(6)Between circuit on be sequentially installed with 1 tertiary voltage galvanometer Scale(13), 2 the 3rd RCCBs(14)With 2 the 3rd power supply terminals(15);The virtual load source(1)With it is integrated Computer is connected.
2. a kind of basic electrician practical training apparatus as claimed in claim 1, it is characterised in that:The equipment, which starts, stops control loop (3)Including the start button SB1 on the practical traning platform above mesh plate, cut-off button SB2, start indicator lamp(23), stop Only indicator lamp(24);Left scram button on the left of practical traning platform(21);Right scram button on the right side of practical traning platform (22);A.C. contactor KM1 inside practical traning platform;Wherein described start button SB1, cut-off button SB2, left jerk are pressed Button(21), right scram button(22), connected by circuit between A.C. contactor KM1 coils;The A.C. contactor KM1 is normally opened Auxiliary contact, start indicator lamp(23)Between connected by circuit;The A.C. contactor KM1 normally closed auxiliary contacts, stopping refer to Show lamp(24)Between connected by circuit;The start button SB1, cut-off button SB2, left scram button(21), right jerk presses Button(22), connect between A.C. contactor KM1 coils after circuit respectively with the normally opened auxiliary contact of A.C. contactor KM1, startup Indicator lamp(23)Between connect after circuit, A.C. contactor KM1 normally closed auxiliary contacts, stop indicator lamp(24)Between connect after Lines in parallel, and one end and live wire L, virtual load source after parallel connection(1)Between circuit be connected, it is in parallel after the other end and zero line N, virtual load source(1)Between circuit be connected;Circuit and A.C. contactor between the start button SB1, cut-off button SB2 The normally opened auxiliary contact of KM1, start indicator lamp(23)Between circuit be connected.
3. a kind of basic electrician practical training apparatus as claimed in claim 1, it is characterised in that:The three-phase meter Wiring module(4)Bag Include installed in three-phase four-wire system ammeter on mesh plate(25), concentrator(26), terminal box(27), the 4th RCCB(28)、 One 485 binding post(29), the first load wiring terminal(30), current transformer(44);First power supply terminal (9)Pass through circuit and the first load wiring terminal(30)It is connected, wherein the first power supply terminal(9)With the first load wiring end Son(30)Between circuit on be sequentially installed with current transformer(44)With the 4th RCCB(28);The current transformer (44)Pass through circuit and terminal box(27)It is connected, the terminal box(27)Pass through circuit and three-phase four-wire system ammeter respectively(25)、 Concentrator(26)It is connected, the three-phase four-wire system ammeter(25), concentrator(26)Between connect by RS485 buses with the 1st Line terminals(29)It is connected.
4. a kind of basic electrician practical training apparatus as claimed in claim 1, it is characterised in that:The single-phase meter Wiring module(5)Bag Include installed in chopper switch on mesh plate(31), the first single-phase meter(32), the 5th RCCB(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);Second electricity Source binding post(12)Pass through circuit and chopper switch(31)It is connected, the chopper switch(31)Pass through circuit and the first single-phase meter (32)It is connected;First single-phase meter(32)Pass through circuit and the 5th RCCB(33)It is connected, and first single-phase meter (32)Pass through RS485 buses and the 2nd 485 binding post(36)It is connected;5th RCCB(33)Pass through circuit respectively With lamp binding post(34), the second load wiring terminal(37)It is connected, the lamp binding post(34)By circuit and single control or Dual control lamp switch(35)It is connected, the lamp binding post(34)Also pass through circuit and the second load wiring terminal(37)It is connected.
5. a kind of basic electrician practical training apparatus as claimed in claim 1, it is characterised in that:The photovoltaic Wiring module(6)Including First breaker(18), photovoltaic magic list(19), the second breaker(38), the 3rd breaker(39), the second single-phase meter(40), Four breakers(41), the 3rd 485 binding post(42), the 3rd load wiring terminal(43);Wherein 2 the 3rd power supply terminals (15)In one of them as civil power inlet wire pass through circuit and the first breaker(18)It is connected;First breaker(18)Pass through Circuit and photovoltaic magic list(19)It is connected;The photovoltaic magic list(19)Pass through circuit and the second breaker respectively(38), the 3rd Breaker(39)It is connected;The photovoltaic magic list(19)Also by RS485 buses respectively with the second single-phase meter(40), the 3rd 485 Binding post(42)It is connected;Second breaker(38)Pass through circuit and the 3rd load wiring terminal(43)It is connected;Described Three breakers(39)Pass through circuit and the second single-phase meter(40)It is connected, second single-phase meter(40)Pass through circuit and the 4th open circuit Device(41)It is connected, the 4th breaker(41)With 2 the 3rd power supply terminals(15)In another be used as generating inlet wire It is connected by circuit.
CN201621490911.8U 2016-12-30 2016-12-30 A kind of basic electrician practical training apparatus Active CN206400910U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621490911.8U CN206400910U (en) 2016-12-30 2016-12-30 A kind of basic electrician practical training apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621490911.8U CN206400910U (en) 2016-12-30 2016-12-30 A kind of basic electrician practical training apparatus

Publications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107424477A (en) * 2017-08-29 2017-12-01 莱茵检测认证服务(中国)有限公司 Explosion-proof personnel's aptitude assessment device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107424477A (en) * 2017-08-29 2017-12-01 莱茵检测认证服务(中国)有限公司 Explosion-proof personnel's aptitude assessment device

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Address after: 312000 Pao Chung Nan Road No. 3, Pao Jiang Industrial Zone, Shaoxing, Zhejiang

Co-patentee after: Shaoxing Power Supply Company of State Grid Zhejiang Electric Power Company

Patentee after: Zhejiang Shuang Cheng Electric Co., Ltd.

Co-patentee after: Zhengzhou Yunyong Technology Co., Ltd.

Address before: 312000 Pao Chung Nan Road No. 3, Pao Jiang Industrial Zone, Shaoxing, Zhejiang

Co-patentee before: Shaoxing Power Supply Company of State Grid Zhejiang Electric Power Company

Patentee before: Shaoxing Electric Power Complete Equipment Co.

Co-patentee before: Zhengzhou Yunyong Technology Co., Ltd.