CN106683527A - Multifunctional installation and wiring training device for electric energy meter and mutual inductor - Google Patents
Multifunctional installation and wiring training device for electric energy meter and mutual inductor Download PDFInfo
- Publication number
- CN106683527A CN106683527A CN201710012037.XA CN201710012037A CN106683527A CN 106683527 A CN106683527 A CN 106683527A CN 201710012037 A CN201710012037 A CN 201710012037A CN 106683527 A CN106683527 A CN 106683527A
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- Prior art keywords
- circuit
- load power
- electric energy
- energy meter
- transformer
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/0069—Engineering, e.g. mechanical, electrical design
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/187—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for measuring instruments
Abstract
The invention relates to the technical field of electric energy meter installation and electric connection simulation and training devices, and discloses a multifunctional installation and wiring training device for an electric energy meter and a mutual inductor. The device comprises a device cabinet and a simulation circuit disposed in the device cabinet. The device cabinet employs a layered double-station structure, i.e., setting training stations at the front and back surfaces of the device cabinet. Moreover, the front and back surfaces of the device cabinet are respectively provided with an instrument layer, an installation plate layer, a toolbox layer and a power layer from the top to the bottom. The instrument layers are respectively provided with an instrument and an indication lamp. Each installation plate layer is provided with a wiring terminal, and is used for placing a to-be-connected incoming and outgoing line switch, a metering device and a load switch, and is also used for arranging primary and secondary wires. The power layer is provided with a load power supply and a load power source. The load power source is provided with a voltage loop short circuit alarm controller and a current loop short circuit alarm controller. The device is economical and efficient, and is high in comprehensive utilization degree.
Description
Technical field
This practicality is related to electric energy metrical dress table and connects electric emulation training engineering device technique field.
Background technology
At present in electric energy metrical industry, enter luggage table and meet power technology training, the method that practical operation is taken an examination used or equipment master
Have：Simple timber shuttering is intended installing and high and low pressure metering device training set, there are problems in actual use, specifically
It is as follows：
Simple plank is installed, i.e., in the enterprising luggage table of plank, belong to most easy mounting means, there is great limitation
Property：1st, outward 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, cannot power transmission judge install after electric energy meter practical operation situation, it is impossible to intuitive judgment install 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 set, because of its installation site
Fix, the connecting secondary wiring only between ammeter and rosette there is also confinement problems：1st, due to device fix ammeter,
The installation site of rosette and transformer, practical operation can only carry out secondary connection, it is impossible to carry out the peace required in in-site installation operation
The content such as full operation rule, integral installation layout, operating procedure, Wiring technique, result of training is poor.2nd, equipment only one of which work
Position, can only accommodate every time examinee's operation.3rd, equipment price is higher.
Domestic patent database also discloses that some install distribution training set technology, such as：【Title】Install comprehensive in interior lines
Distribution Simulated training device,【The patent No.】201520200939.2,【The applying date】Including a two-sided detachable net 2015.04.03,
Orifice plate；It is arranged at an analog circuit of the two-sided detachable mesh plate；The front-operated electrically connected with the analog circuit
Panel is installed and a back side guidance panel, to export three-phase voltage current and monitor the analog circuit.
But, the installation that comprehensive cable distribution Simulated training device has fixed ammeter, rosette and transformer is installed in this interior lines
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, disclose a kind of bringing onto load and distribution training f devices are installed, be related to power wiring training set technical field.
Including cabinet, the top of the cabinet is low-voltage distribution panel, and the middle and lower part of cabinet is provided with mesh plate, also including being fixed in cabinet
Loading section.The distribution training set includes loading section, and loading section is single-phase negative including a threephase load and one
Carry, wherein being achieved in that for threephase load draws three of the wires from three-phase disconnecting link, by binding post and threephase motor
Connection, constitutes threephase load form；Be achieved in that from disconnecting link two terminals of single-phase load draw two wires, pass through
Binding post is connected with bulb, constitutes 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, meet training on electric power requirement.
But comprehensive cable distribution Simulated training device is installed in this interior lines, only one of which station can only accommodate every time one and examine
Raw operation, space availability ratio is relatively low.
In sum, existing installation distribution training set has that emulator is poor, training contents are few, low space utilization
Problem, it is a kind of closer to actual, more practical, more efficient equipment in the urgent need to researching and developing, with improve dress table connect electric result of training with
Ensure the convenience of practical operation examination.
The content of the invention
Present invention aim to address the existing shortcoming and defect for installing distribution training set, there is provided it is a kind of economical, efficiently,
The high electric energy meter of comprehensive utilization degree, transformer are multi-functional to install distribution training set.
The electric energy meter of the present invention, transformer are multi-functional to install distribution training set, including device cabinet and is assemblied in device cabinet
Interior analog circuit；Described device cabinet is provided with training station using layer-stepping duplex bit architecture in device cabinet positive and negative,
And the positive and negative of device cabinet is divided into from top to bottom instrument layer, installs flaggy, workbox layer, bus plane；Instrument layer is provided with instrument
Table, display lamp；Flaggy is installed binding post to be installed and is opened for placing the turnover wiretap for treating wiring, measurement instrument, load
Close and for arrangement once, secondary electric wire；Bus plane is equipped with load power and load power source.Using layer-stepping duplex bit architecture
Can increase substantially space availability ratio, increase training in the unit interval and check and rate person-time, reduce being manufactured into for training set
This, while make device more well arranged, it is clean and tidy generous.
Used as further illustrating to the present invention, the analog circuit includes that main switch, load power source, line are opened
Close, terminal electric energy meter, transformer, on-load switch, voltage circuit short-circuit alarming controller, current loop open circuit controlling alarm
Device；The main switch is located on load power output main line, and control power supply is always exported；Always opened by series connection in the load power source
Connection connects load power outfan, series current loop open circuit alarm controller, then takes back load power, shape by on-load switch
Into with electrical circuit；Turnover wiretap is arranged on the load power output main line behind main switch, and measurement instrument passes through line
Switch accesses circuit.
It is described that the training station that flaggy is provided in device cabinet middle and upper part is installed as further illustrating to the present invention,
Its positive and negative has one piece of aluminium section bar installing plate；The aluminium section bar draw-in groove for being installed with many row of horizontal on a mounting board, on draw-in groove
The electrical equipment fixed plate that can be slided along draw-in groove is provided with, the electrical equipment fixed plate is arranged on draw-in groove by draw-in groove nut.Thus, solution
It is simple and crude that plank of having determined is installed, and existing high and low pressure metering device training set operator can not independently determine to install cloth
The problem of office.
Used as further illustrating to the present invention, the bus plane is provided with virtual load power supply, the voltage of virtual load power supply
Loop becomes output using isolation；Bus plane wherein before device cabinet installs three-phase virtual load power supply, the power supply behind device cabinet
Layer installs single-phase virtual load power supply, and is correspondingly provided with instrument, display lamp on the instrument layer of tow sides station.Using void
Load power can make equipment more circuit simple, reliable and stable.The current loop of virtual load power supply is occurred using high-power electric current
Device, output current can reach 30A, meet use requirement of the terminal electric energy meter with Current Transformer.Voltage, electric current output
Loop mutual insulating isolation, can be electrically connected in terminal electric energy meter input, be suitable for direct access and Jing electric currents are mutual
Sensor access type terminal electric energy meter is installed wiring and is used.
As further illustrating to the present invention, the control of voltage circuit short-circuit alarming is provided with the load power source
Device and current loop open circuit alarm controller；The display lamp is divided into voltage indicator lamp and alternator indicator, voltage circuit short circuit
Alarm controller and current loop open circuit alarm controller connect corresponding voltage indicator lamp by respective control circuit respectively
And alternator indicator.Thus, this device possesses voltage circuit short circuit, current loop open circuit errors wiring automatic analysis and judgment and report
Alert function, solves that self-examination can not be carried out when existing equipment student practises, and examination scoring anthropic factor is big, efficiency is low asks
Topic.
Used as further illustrating to the present invention, the voltage circuit short-circuit alarming controller and current loop open circuit are reported to the police
It is integrated with earth leakage circuit-breaker in controller, the earth leakage circuit-breaker controllable load power source cut-offs road.Work as someone
When member touches voltage circuit live wire, earth leakage circuit-breaker tripping operation, it is ensured that personnel, equipment safety.
Used as further illustrating to the present invention, the voltage circuit short-circuit alarming controller, current loop open circuit are reported to the police
Controller, earth leakage circuit-breaker adopt epoxy encapsulation；In the load power power supply comprising low pressure isolating transformer and
Current feedback circuit, both are also adopted by epoxy encapsulation.Using epoxy encapsulation, insulation, humidity resistance are good, improve device
Safety and reliability.
The electric energy meter of the present invention, transformer be multi-functional install distribution training set have compared with prior art it is following enter
Step：
(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 adopts 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 current loop open circuit are reported to the police and earth-leakage protection controller, and using microelectric technique voltage circuit short circuit, electric current are carried out
Loop open fault detection, stable performance, reliability.
(3) security protection rank is higher.Safety protection circuit is integrated in voltage circuit short-circuit alarming and earth leakage protective control
In device and the warning of current loop open circuit and earth-leakage protection controller, being switched using high sensitive earth leakage protective, being touched there are personnel
Energy rapid tripping power supply when electric, it is ensured that personal safety.
(4) the more stable reliability of equipment performance.The low pressure isolating transformer of virtual load power supply and current feedback circuit, voltage circuit
The unit component such as short-circuit alarming and earth-leakage protection controller, the warning of current loop open circuit 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 electric energy meter of the present invention, the multi-functional front view for installing distribution training set of transformer.
Fig. 2 is electric energy meter of the present invention, the multi-functional rearview for installing distribution training set of transformer.
Fig. 3 is electric energy meter of the present invention, the multi-functional left view for installing distribution training set of transformer.
Fig. 4 is electric energy meter of the present invention, the multi-functional theory diagram for installing distribution training set of transformer.
In figure, 1- instrument layers；2- installs flaggy；3- workboxes layer；4- bus planes；5- instrument；6- display lamps；7- draw-in grooves；
8- electrical equipment fixed plates；9- main switchs；10- load powers source；11- passes in and out wiretap；12- terminal electric energy meters；13- loads are opened
Close；14- voltage circuit short-circuit alarming controllers；15- current loops open circuit alarm controller；V- voltmeters.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is further described.
As shown in Figure 1, Figure 2, Figure 3 shows, electric energy meter of the invention, transformer are multi-functional installs distribution training set, including dress
The analog circuit put cabinet and be assemblied in device cabinet；Described device cabinet is using layer-stepping duplex bit architecture, i.e., positive and negative in device cabinet
Face is provided with training station, and the positive and negative of device cabinet be divided into from top to bottom instrument layer 1, install flaggy 2, workbox layer 3,
Bus plane 4；Instrument layer 1 is provided with instrument 5, display lamp 6；Flaggy 2 is installed binding post is installed and wiring is treated for placing
Turnover wiretap, measurement instrument, on-load switch and for arrangement once, secondary electric wire；Bus plane 4 is equipped with load power and load
Power source 10.
As shown in figure 4, the analog circuit includes main switch 9, load power source 10, turnover wiretap 11, terminal electric energy
Gauge table 12, transformer L, on-load switch 13, voltage circuit short-circuit alarming controller 14, current loop open circuit alarm controller
15；The main switch 9 is located on load power output main line, and control power supply is always exported；The load power source 10 is by series connection
The connected load power output end of main switch 9, series current loop open circuit alarm controller 15, then taken back by on-load switch 13 negative
Charged source, formation electrical circuit；Turnover wiretap 11 is arranged on the load power output main line behind main switch 9, quantifier
Tool accesses circuit by turnover wiretap 11.
As shown in Figure 1, Figure 2, Figure 3 shows, described to install the training station that flaggy 2 is provided in device cabinet middle and upper part, its is positive and negative
There is one piece of aluminium section bar installing plate in face；The aluminium section bar draw-in groove 7 for being installed with many row of horizontal on a mounting board, is arranged on draw-in groove 7
There is the electrical equipment fixed plate 8 that can be slided along draw-in groove, the electrical equipment fixed plate 8 is arranged on draw-in groove 7 by draw-in groove nut.
As shown in Figure 1, Figure 2, Figure 3 shows, the bus plane 4 is provided 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, display lamp 6 are correspondingly installed on the instrument layer 1 of tow sides station；In order to increase
Strong alarming effect, can be setting up voice guard, such as buzzer siren on false alarm circuit.
As Fig. 4 shows, voltage circuit short-circuit alarming controller 14 and current loop are provided with the load power source 10
Open circuit alarm controller 15；6 points of the display lamp is voltage indicator lamp and alternator indicator, voltage circuit short-circuit alarming controller
14 and current loop open circuit alarm controller 15 respectively by the respective control circuit corresponding voltage indicator lamp of connection and electric current
Display lamp.
As shown in figure 4, in the voltage circuit short-circuit alarming controller 14 and current loop open circuit alarm controller 15
It is integrated with earth leakage circuit-breaker, the earth leakage circuit-breaker controllable load power source 10 cut-offs road.
Voltage circuit short-circuit alarming controller 14, the current loop open circuit alarm controller 15, earth leakage circuit-breaker is equal
Using epoxy encapsulation；Comprising low pressure isolating transformer and current feedback circuit in the load power power supply, both are also adopted by
Epoxy encapsulation.
The multi-functional using method for installing distribution training set of the electric energy meter of the present invention, transformer is as follows：
The first step：The main switch 9 of device is disconnected, voltage Table V indicates 0 volt.Second step：The 2-in-1 suitable position of flaggy is being installed
Fixed installation turnover wiretap 11, ammeter, terminal 12, test connecting box, transformer L, on-load switch 13.3rd step：Such as Fig. 4 institutes
Show, by schematic circuit and installation wiring technological requirement the distribution of first and second wiring, wiring are carried out.4th step：On inspection one,
After secondary connection is correct, device side door main switch 9 of closing, now voltage V tables show 220 volts.5th step：Close turnover wiretap
11, if voltage circuit short circuit or current loop open circuit, display lamp 6 is lit and with audible alarm, should disconnect turnover wiretap
11, carry out wiring check.6th step：The operating condition inspection of terminal electric energy meter 12 is carried out, terminal communication parameter is set, read
Terminal electric energy meter input voltage, electric current, performance number, energy value, judge whether metering device wiring is correct.7th step：Instruction
White silk finishes closing analog power output.
Obviously, above-described embodiment is used for the purpose of clearly illustrating example of the present invention, and the not limit to implementing
It is fixed.For the those of ordinary skill in the field, other multi-forms can also be made on the basis of the above description
Change changes.There is no need to be exhaustive to all of embodiment.And thus amplify out it is obvious
Among change or variation are still in protection scope of the present invention.
Claims (7)
1. a kind of multi-functional installation distribution training set of electric energy meter, transformer, including device cabinet and the mould being assemblied in device cabinet
Intend circuit；It is characterized in that：Described device cabinet is provided with training using layer-stepping duplex bit architecture in device cabinet positive and negative
Station, and the positive and negative of device cabinet is divided into from top to bottom instrument layer (1), installation flaggy (2), workbox layer (3), bus plane
(4)；The instrument layer (1) is provided with instrument (5), display lamp (6)；Flaggy (2) is installed and binding post is installed and for placing
Treat the turnover wiretap of wiring, measurement instrument, on-load switch and for arrangement once, secondary electric wire；Bus plane (4) is equipped with load
Power supply and load power source (10).
2. electric energy meter according to claim 1, transformer are multi-functional installs distribution training set, it is characterised in that：It is described
Analog circuit includes main switch (9), load power source (10), turnover wiretap (11), terminal electric energy meter (12), transformer
(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 is always exported；The load power source (10) is by main switch of connecting
(9) connected load power output end, series current loop open circuit alarm controller (15), then taken back by on-load switch (13) negative
Charged source, formation electrical circuit；Turnover wiretap (11) is arranged on the output of the load power behind main switch (9) main line, meter
Measuring device tool accesses circuit by turnover wiretap (11).
3., according to the arbitrary described electric energy meter of claim 1 or 2, the multi-functional installation distribution training set of transformer, its feature exists
In：Described to install the training station that flaggy (2) is provided in device cabinet middle and upper part, its positive and negative has one block of aluminium section bar to install
Plate；The aluminium section bar draw-in groove (7) for being installed with many row of horizontal on a mounting board, is provided with what is can slided along draw-in groove on draw-in groove (7)
Electrical equipment fixed plate (8), the electrical equipment fixed plate (8) is arranged on draw-in groove (7) by draw-in groove nut.
4. electric energy meter according to claim 3, transformer are multi-functional installs distribution training set, it is characterised in that：It is described
Bus plane (4) is provided 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), display lamp (6) are correspondingly installed on the instrument layer (1) of two sides station.
5. electric energy meter according to claim 3, transformer are multi-functional installs distribution training set, it is characterised in that：Institute
State and voltage circuit short-circuit alarming controller (14) and current loop open circuit alarm controller are provided with load power source (10)
(15)；The display lamp (6) is divided into voltage indicator lamp and alternator indicator, voltage circuit short-circuit alarming controller (14) and electric current
Loop open circuit alarm controller (15) connects corresponding voltage indicator lamp and alternator indicator by respective control circuit respectively.
6. electric energy meter according to claim 3, transformer are multi-functional installs distribution training set, it is characterised in that：It is described
Earth leakage circuit-breaker is integrated with 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. electric energy meter according to claim 6, transformer are multi-functional installs distribution training set, 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 adopt epoxy
Resin-encapsulated；Comprising low pressure isolating transformer and current feedback circuit in the load power power supply, both are also adopted by epoxy resin
Encapsulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710012037.XA CN106683527A (en) | 2017-01-06 | 2017-01-06 | Multifunctional installation and wiring training device for electric energy meter and mutual inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710012037.XA CN106683527A (en) | 2017-01-06 | 2017-01-06 | Multifunctional installation and wiring training device for electric energy meter and mutual inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106683527A true CN106683527A (en) | 2017-05-17 |
Family
ID=58849403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710012037.XA Pending CN106683527A (en) | 2017-01-06 | 2017-01-06 | Multifunctional installation and wiring training device for electric energy meter and mutual inductor |
Country Status (1)
| Country | Link |
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| CN (1) | CN106683527A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108847078A (en) * | 2018-06-08 | 2018-11-20 | 国家电网有限公司 | A kind of dress table connects electric training system |
| CN109243256A (en) * | 2018-11-20 | 2019-01-18 | 王令剑 | A kind of electric specialty IC design presentation device |
| CN109326188A (en) * | 2018-08-29 | 2019-02-12 | 郑州正邦科技有限公司 | A kind of dress table connects electric comprehensive training device |
| CN112562465A (en) * | 2020-12-09 | 2021-03-26 | 广东电网有限责任公司江门供电局 | Analog load metering device suitable for measurement training room |
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| CN112562465A (en) * | 2020-12-09 | 2021-03-26 | 广东电网有限责任公司江门供电局 | Analog load metering device suitable for measurement training room |
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