CN207503490U - The multi-functional installation wiring training device of electric energy meter, mutual inductor - Google Patents

The multi-functional installation wiring training device of electric energy meter, mutual inductor Download PDF

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Publication number
CN207503490U
CN207503490U CN201720017769.3U CN201720017769U CN207503490U CN 207503490 U CN207503490 U CN 207503490U CN 201720017769 U CN201720017769 U CN 201720017769U CN 207503490 U CN207503490 U CN 207503490U
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China
Prior art keywords
circuit
load power
electric energy
energy meter
mutual inductor
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CN201720017769.3U
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Chinese (zh)
Inventor
唐秋
陈羿宇
经中柱
冯建平
李佳
辛艳
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Guilin Power Supply Bureau of Guangxi Power Grid Co Ltd
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Guangxi Wangguan Electrification Co
Guilin Power Supply Bureau of Guangxi Power Grid Co Ltd
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Abstract

The utility model is related to electrical energy measurement dress tables to connect electric emulation training engineering device technique field, the multi-functional installation wiring training device of a kind of electric energy meter, mutual inductor is disclosed, including device cabinet and the analog circuit being assemblied in device cabinet;Described device cabinet uses layer-stepping duplex bit architecture, i.e., is both provided with training station in device cabinet positive and negative, and the positive and negative of device cabinet is divided into instrument layer, installing plate layer, tool box layer, bus plane from top to bottom;Instrument layer is equipped with instrument, indicator light;Installing plate layer is equipped with wire connection terminal, for placing disengaging wiretap, measurement instrument, the on-load switch for the treatment of wiring, is also used for arranging primary, secondary electric wire;Bus plane is equipped with load power and load power source;Voltage circuit short-circuit alarming controller and current loop open circuit alarm controller are provided on load power source.The utility model has the characteristics that economical, efficient, comprehensive utilization degree is high.

Description

The multi-functional installation wiring training device of electric energy meter, mutual inductor
Technical field
This practicality is related to electrical energy measurement dress table and connects electric emulation training engineering device technique field.
Background technology
At present in electrical energy measurement industry, into luggage table connect power technology training, practical operation examination used in method or equipment master Have:Simple timber shuttering intends installation and high and low pressure metering device training device, in actual use there are problems, specifically It is as follows:
Simple plank installation, i.e., in the enterprising luggage table of plank, belong to most easy mounting means, there are great limitations Property:1st, appearance and electricity box, metering cabinet difference are very big, lack the sense of reality of practical operation.2nd, without power supply and live practical operation difference Larger, result of training is poor.3rd, can not power transmission judge installation after electric energy meter practical operation situation, can not intuitive judgment installation wiring It is whether correct.4th, examination person need artificial by-line check wiring to mistake, standards of grading are affected by human factors, and fairness is poor, and And time-consuming.5th, the mode for directly twisting pressure on plank with screw is taken, plank service life is short.
Electric energy meter training on installation, examination are carried out using existing high and low pressure metering device training device, because of its installation site It has been fixed that, secondary connection is connected only between ammeter and terminal box, there is also confinement problems:1st, due to device fixed ammeter, The installation site of terminal box and mutual inductor, practical operation can only carry out secondary connection, can not carry out the peace required in in-site installation operation Contents, the result of training such as full operation rule, integral installation layout, operating procedure, wiring technique are poor.2nd, only there are one works for equipment Position can only accommodate examinee's operation every time.3rd, equipment price is higher.
Domestic patent database also discloses that some installation wiring training device technologies, such as:【Title】Interior lines installation synthesis Wiring Simulated training device,【The patent No.】201520200939.2【The applying date】2015.04.03, including a two-sided detachable net Orifice plate;It is set to an analog circuit of the two-sided detachable mesh plate;The front-operated being electrically connected with the analog circuit Panel is installed and a back side operation panel, to export three-phase voltage current and the monitoring analog circuit.
But this interior lines installation comprehensive cable distribution Simulated training device has fixed the installation of ammeter, terminal box and mutual inductor Position, practical operation can only carry out secondary connection, and result of training is poor.
For another example:【Title】Comprehensive cable distribution Simulated training device is installed in interior lines,【The patent No.】201310483775.4【Application Day】2013.10.16, a kind of bringing onto load installation wiring training device is disclosed, is related to power wiring training device technical field. Including cabinet, the top of the cabinet is low-voltage distribution panel, and the middle and lower part of cabinet is equipped with mesh plate, further includes and be fixed in cabinet Loading section.The wiring training device includes loading section, and loading section includes a threephase load and one single-phase negative It carries, wherein being achieved in that from three-phase disconnecting link for threephase load draws three conducting wires, passes through wire connection terminal and threephase motor Connection forms threephase load form;Two conducting wires are drawn in being achieved in that from two terminals in disconnecting link for single-phase load, are passed through Wire connection terminal is connect with light bulb, forms single-phase load form.When in use, can be connected according to the electric energy meter formal character installed Three-phase or single-phase load are connect, realizes that dress table connects bringing onto load energization audit function after electricity, meets training on electric power requirement.
But this interior lines installation comprehensive cable distribution Simulated training device, only there are one stations, can only accommodate one every time and examine Raw operation, space availability ratio are relatively low.
In conclusion there are emulator is poor, training contents are few, low space utilization for existing installation wiring training device Problem, it is a kind of closer to practical, more practical, more efficient equipment there is an urgent need to research and develop, with improve dress table connect electric result of training and Ensure the convenience of practical operation examination.
Invention content
The purpose of this utility model is to solve the disadvantage that existing installation wiring training device and deficiency, provide it is a kind of it is economical, Efficiently, the multi-functional installation wiring training device of the high electric energy meter of comprehensive utilization degree, mutual inductor.
The multi-functional installation wiring training device of electric energy meter, mutual inductor of the utility model, including device cabinet and is assemblied in Put the analog circuit in cabinet;Described device cabinet uses layer-stepping duplex bit architecture, i.e., is both provided with training in device cabinet positive and negative Station, and the positive and negative of device cabinet is divided into instrument layer, installing plate layer, tool box layer, bus plane from top to bottom;Instrument layer is installed There are instrument, indicator light;Installing plate layer is equipped with wire connection terminal, for placing disengaging wiretap, measurement instrument, the load for the treatment of wiring Switch, is also used for arranging primary, secondary electric wire;Bus plane is equipped with load power and load power source.Using layer-stepping double-station Structure can increase substantially space availability ratio, increase person-time trained and checked and rated in the unit interval, reduce the system of training device This is caused, while makes device more well arranged, it is clean and tidy generous.
As the further explanation to the utility model, the analog circuit includes master switch, load power source, inlet-outlet line Switch, terminal electric energy meter, mutual inductor, on-load switch, voltage circuit short-circuit alarming controller, current loop open circuit alarm control Device processed;The master switch is located on load power output main line, and control power supply always exports;The load power source is total by connecting Connected load power output end, series current circuit open circuit alarm controller are switched, then load power is taken back by on-load switch, Formation electrical circuit;Disengaging wiretap is arranged on the load power output main line behind master switch, and measurement instrument passes through disengaging Wiretap accesses circuit.
As the further explanation to the utility model, the installing plate layer is provided in the training work of device cabinet middle and upper part Position, positive and negative have one piece of aluminium section bar installing plate;The aluminium section bar card slot of multiple rows of level is installed, on card slot on the installing plate The electric appliance fixed plate that can be slided along card slot is provided with, the electric appliance fixed plate is mounted on by draw-in groove nut on card slot.In this way, solution The simple and crude and existing high and low pressure metering device training device operating personnel of plank of having determined installation cannot independently determine installation cloth The problem of office.
As the further explanation to the utility model, the bus plane is equipped with virtual load power supply, virtual load power supply Voltage circuit becomes output using isolation;Bus plane installation three-phase virtual load power supply wherein before device cabinet, behind device cabinet Bus plane installs single-phase virtual load power supply, and is correspondingly equipped with instrument, indicator light on the instrument layer of tow sides station.It adopts Equipment more circuit can be made simple with virtual load power supply, it is reliable and stable.The current loop of virtual load power supply uses high-power electric current Generator, output current can reach 30A, meet the requirement that terminal electric energy meter matches Current Transformer.Voltage, electric current Output loop mutual insulating is isolated, and can be electrically connected in terminal electric energy meter input terminal, is suitable for direct access and through electricity The installation wiring of current transformer access type terminal electric energy meter uses.
As the further explanation to the utility model, voltage circuit short-circuit alarming is provided on the load power source Controller and current loop open circuit alarm controller;The indicator light is divided into voltage indicator lamp and alternator indicator, voltage circuit Short-circuit alarming controller connects corresponding voltage by respective control circuit respectively with current loop open circuit alarm controller and refers to Show lamp and alternator indicator.In this way, the present apparatus has voltage circuit short circuit, current loop open circuit errors wiring automatic analysis and judgment And warning function, it solves that self-examination cannot be carried out during existing equipment student practice, examination scoring human factor is big, efficiency is low Problem.
As the further explanation to the utility model, the voltage circuit short-circuit alarming controller and current loop open circuit Earth leakage circuit-breaker is integrated in alarm controller, the earth leakage circuit-breaker controllable load power source cut-offs road.When When thering are the personnel to touch voltage circuit firewire, earth leakage circuit-breaker tripping, it is ensured that personnel, equipment safety.
As the further explanation to the utility model, the voltage circuit short-circuit alarming controller, current loop open circuit Alarm controller, earth leakage circuit-breaker use epoxy encapsulation;Transformation is isolated comprising low pressure in the load power power supply Device and current feedback circuit, the two also use epoxy encapsulation.Using epoxy encapsulation, insulation, humidity resistance are good, improve The safety and reliability of device.
The multi-functional installation wiring training device of electric energy meter, mutual inductor of the utility model has following compared with prior art Progress:
(1) it is equipped with high-power, high reliability virtual load power supply.The voltage circuit of virtual load power supply becomes output using isolation Mode, simple and practical, reliability is high.The current loop of virtual load power supply uses special current feedback circuit, exportable to reach 30A's Virtual load electric current meets the requirement of current transformer normal work.
(2) false alarm circuit is had additional.The core of false alarm circuit is voltage circuit short-circuit alarming and earth leakage protective Controller and the alarm of current loop open circuit and earth-leakage protection controller carry out voltage circuit short circuit, electric current using microelectric technique Circuit open fault detection, performance are stable, reliable.
(3) security protection rank higher.Safety protection circuit is integrated in voltage circuit short-circuit alarming and earth leakage protective control In device and the alarm of current loop open circuit and earth-leakage protection controller, switched using high sensitive earth leakage protective, in generation, personnel touch The rapid tripping power supply of energy, ensures personal safety when electric.
(4) equipment performance is more stable and reliable.Low pressure isolating transformer and current feedback circuit, the voltage circuit of virtual load power supply The unit components such as short-circuit alarming and earth-leakage protection controller, current loop open circuit alarm and earth-leakage protection controller, using epoxy Resin-encapsulated, insulation, humidity resistance are good, improve the safety and reliability of device.
Description of the drawings
Fig. 1 is the front view of the utility model electric energy meter, the multi-functional installation wiring training device of mutual inductor.
Fig. 2 is the rearview of the utility model electric energy meter, the multi-functional installation wiring training device of mutual inductor.
Fig. 3 is the left view of the utility model electric energy meter, the multi-functional installation wiring training device of mutual inductor.
Fig. 4 is the functional block diagram of the utility model electric energy meter, the multi-functional installation wiring training device of mutual inductor.
In figure, 1- instrument layers;2- installing plate layers;3- tool boxes layer;4- bus planes;5- instrument;6- indicator lights;7- card slots; 8- electric appliance fixed plates;9- master switch;10- load powers source;11- passes in and out wiretap;12- terminal electric energy meters;13- loads are opened It closes;14- voltage circuit short-circuit alarming controllers;15- current loops open circuit alarm controller;V- voltmeters.
Specific embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, Figure 3 shows, the multi-functional installation wiring training device of the electric energy meter of the utility model, mutual inductor, packet The analog circuit for including device cabinet and being assemblied in device cabinet;Described device cabinet uses layer-stepping duplex bit architecture, i.e., in device cabinet Positive and negative is both provided with training station, and the positive and negative of device cabinet is divided into instrument layer 1, installing plate layer 2, tool box from top to bottom Layer 3, bus plane 4;Instrument layer 1 is equipped with instrument 5, indicator light 6;Installing plate layer 2 is equipped with wire connection terminal, and wiring is treated for placing Disengaging wiretap, measurement instrument, on-load switch, be also used for arranging primary, secondary electric wire;Bus plane 4 equipped with load power and Load power source 10.
As shown in figure 4, the analog circuit includes master switch 9, load power source 10, disengaging wiretap 11, terminal electric energy Gauge table 12, mutual inductor L, on-load switch 13, voltage circuit short-circuit alarming controller 14, current loop open circuit alarm controller 15;The master switch 9 is located on load power output main line, and control power supply always exports;The load power source 10 passes through series connection 9 connected load power output end of master switch, series current circuit open circuit alarm controller 15, then taken back by on-load switch 13 negative Charged source, formation electrical circuit;Disengaging wiretap 11 is arranged on the load power output main line behind master switch 9, meter Tool accesses circuit by passing in and out wiretap 11.
As shown in Figure 1, Figure 2, Figure 3 shows, the installing plate layer 2 is provided in the training station of device cabinet middle and upper part, positive and negative There is one piece of aluminium section bar installing plate in face;The aluminium section bar card slot 7 of multiple rows of level on the installing plate is installed, is provided on card slot 7 The electric appliance fixed plate 8 that can be slided along card slot, the electric appliance fixed plate 8 are mounted on by draw-in groove nut on card slot 7.
As shown in Figure 1, Figure 2, Figure 3 shows, the bus plane 4 is equipped with virtual load power supply, and the voltage circuit of virtual load power supply is adopted Become output with isolation;Bus plane 4 wherein before device cabinet installs three-phase virtual load power supply, and the bus plane 4 behind device cabinet is pacified Single-phase virtual load power supply is filled, and instrument 5, indicator light 6 are correspondingly installed on the instrument layer 1 of tow sides station;In order to increase Strong warning effect can also add voice guard, such as buzzer siren on false alarm circuit.
If Fig. 4 shows, voltage circuit short-circuit alarming controller 14 and current loop are provided on the load power source 10 Open circuit alarm controller 15;The indicator light 6 divides for voltage indicator lamp and alternator indicator, voltage circuit short-circuit alarming controller 14 connect corresponding voltage indicator lamp and electric current by respective control circuit respectively with current loop open circuit alarm controller 15 Indicator light.
As shown in figure 4, in the voltage circuit short-circuit alarming controller 14 and current loop open circuit alarm controller 15 Earth leakage circuit-breaker is integrated with, the earth leakage circuit-breaker controllable load power source 10 cut-offs road.
The voltage circuit short-circuit alarming controller 14, current loop open circuit alarm controller 15, earth leakage circuit-breaker are equal Using epoxy encapsulation;It is also used comprising low pressure isolating transformer and current feedback circuit, the two in the load power power supply Epoxy encapsulation.
The application method of the multi-functional installation wiring training device of electric energy meter, mutual inductor of the utility model is as follows:
The first step:The master switch 9 of device is disconnected, voltmeter V indicates 0 volt.Second step:In 2 suitable position of installing plate layer Disengaging wiretap 11, ammeter, terminal 12, test connecting box, mutual inductor L, on-load switch 13 is fixedly mounted.Third walks:Such as Fig. 4 institutes Show, the wiring of first and second wiring, wiring are carried out by schematic circuit and installation wiring technological requirement.4th step:On inspection one, After secondary connection is correct, device side door master switch 9 is closed, voltage V tables show 220 volts at this time.5th step:Close disengaging wiretap 11, if voltage circuit short circuit or current loop open circuit, indicator light 6 are lit and with audible alarm, should disconnect disengaging wiretap 11, carry out wiring check.6th step:The 12 operating condition inspection of terminal electric energy meter is carried out, terminal messaging parameter is set, is read Terminal electric energy meter input voltage, electric current, performance number, energy value judge whether metering device wiring is correct.7th step:Instruction Practice to finish and close analog power output.
Obviously, above-described embodiment illustrates the utility model example just for the sake of clear, and not to implementing Restriction.For the those of ordinary skill in the field, other not similar shapes can also be made on the basis of the above description The variation or variation of formula.There is no necessity and possibility to exhaust all the enbodiments.And it thus amplifies out aobvious and easy Among the variation or variation seen are still in the scope of protection of the utility model.

Claims (7)

1. a kind of multi-functional installation wiring training device of electric energy meter, mutual inductor, including device cabinet and the mould being assemblied in device cabinet Intend circuit;It is characterized in that:Described device cabinet uses layer-stepping duplex bit architecture, i.e., is both provided with training in device cabinet positive and negative Station, and the positive and negative of device cabinet is divided into instrument layer (1), installing plate layer (2), tool box layer (3), bus plane from top to bottom (4);The instrument layer (1) is equipped with instrument (5), indicator light (6);Installing plate layer (2) is equipped with wire connection terminal, is treated for placing Disengaging wiretap, measurement instrument, the on-load switch of wiring are also used for arranging primary, secondary electric wire;Bus plane (4) is equipped with load Power supply and load power source (10).
2. the multi-functional installation wiring training device of electric energy meter according to claim 1, mutual inductor, it is characterised in that:It is described Analog circuit includes master switch (9), load power source (10), disengaging wiretap (11), terminal electric energy meter (12), mutual inductor (L), on-load switch (13), voltage circuit short-circuit alarming controller (14), current loop open circuit alarm controller (15);It is described total Switch (9) is located on load power output main line, and control power supply always exports;The load power source (10) passes through master switch of connecting (9) connected load power output end, series current circuit open circuit alarm controller (15), then taken back by on-load switch (13) negative Charged source, formation electrical circuit;Disengaging wiretap (11) is arranged on the load power output main line behind master switch (9), meter Measuring device tool accesses circuit by passing in and out wiretap (11).
3. the multi-functional installation wiring training device of electric energy meter according to claim 2, mutual inductor, it is characterised in that:It is described Installing plate layer (2) is provided in the training station of device cabinet middle and upper part, and positive and negative has one piece of aluminium section bar installing plate;The peace The aluminium section bar card slot (7) of multiple rows of level in loading board is installed, the electric appliance fixed plate that can be slided along card slot is provided on card slot (7) (8), the electric appliance fixed plate (8) is mounted on by draw-in groove nut on card slot (7).
4. the multi-functional installation wiring training device of electric energy meter according to claim 3, mutual inductor, it is characterised in that:It is described Bus plane (4) is equipped with virtual load power supply, and the voltage circuit of virtual load power supply becomes output using isolation;Wherein before device cabinet Bus plane (4) installs three-phase virtual load power supply, and the bus plane (4) behind device cabinet installs single-phase virtual load power supply, and positive and negative Instrument (5), indicator light (6) are correspondingly installed on the instrument layer (1) of two sides station.
5. the multi-functional installation wiring training device of electric energy meter according to claim 3, mutual inductor, it is characterised in that:Institute It states and voltage circuit short-circuit alarming controller (14) and current loop open circuit alarm controller is provided on load power source (10) (15);The indicator light (6) is divided into voltage indicator lamp and alternator indicator, voltage circuit short-circuit alarming controller (14) and electric current Circuit open circuit alarm controller (15) connects corresponding voltage indicator lamp and alternator indicator by respective control circuit respectively.
6. the multi-functional installation wiring training device of electric energy meter according to claim 3, mutual inductor, it is characterised in that:It is described Earth leakage circuit-breaker is integrated in voltage circuit short-circuit alarming controller (14) and current loop open circuit alarm controller (15), The earth leakage circuit-breaker controllable load power source (10) cut-offs road.
7. the multi-functional installation wiring training device of electric energy meter according to claim 6, mutual inductor, it is characterised in that:It is described Voltage circuit short-circuit alarming controller (14), current loop open circuit alarm controller (15), earth leakage circuit-breaker use epoxy Resin-encapsulated;In the load power power supply epoxy resin is also used comprising low pressure isolating transformer and current feedback circuit, the two Encapsulation.
CN201720017769.3U 2017-01-06 2017-01-06 The multi-functional installation wiring training device of electric energy meter, mutual inductor Active CN207503490U (en)

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Application Number Priority Date Filing Date Title
CN201720017769.3U CN207503490U (en) 2017-01-06 2017-01-06 The multi-functional installation wiring training device of electric energy meter, mutual inductor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720017769.3U CN207503490U (en) 2017-01-06 2017-01-06 The multi-functional installation wiring training device of electric energy meter, mutual inductor

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106683527A (en) * 2017-01-06 2017-05-17 广西电网有限责任公司桂林供电局 Multifunctional installation and wiring training device for electric energy meter and mutual inductor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106683527A (en) * 2017-01-06 2017-05-17 广西电网有限责任公司桂林供电局 Multifunctional installation and wiring training device for electric energy meter and mutual inductor

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Effective date of registration: 20230530

Address after: 541000 No. 15, Shanghai Road, Xiangshan District, Guilin City, Guangxi Zhuang Autonomous Region

Patentee after: GUILIN POWER SUPPLY BUREAU OF GUANGXI POWER GRID Co.,Ltd.

Address before: 541002 No.15 Shanghai Road, Xiangshan District, Guilin City, Guangxi Zhuang Autonomous Region

Patentee before: GUILIN POWER SUPPLY BUREAU OF GUANGXI POWER GRID Co.,Ltd.

Patentee before: GUANGXI WANGGUAN ELECTRIFICATION CO.

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