CN206194227U - Low meter analogue means of high confession - Google Patents
Low meter analogue means of high confession Download PDFInfo
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- CN206194227U CN206194227U CN201621060950.4U CN201621060950U CN206194227U CN 206194227 U CN206194227 U CN 206194227U CN 201621060950 U CN201621060950 U CN 201621060950U CN 206194227 U CN206194227 U CN 206194227U
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Abstract
The utility model provides a low meter analogue means of high confession, including fault simulating device, the electric energy analogue means and the metering device that are connected with fault simulating device respectively, respectively with fault simulating device, the controlling means that electric energy analogue means and metering device connect, electric energy analogue means is used for being 220V's three -phase four -wire voltage and three phase current to each phase voltage value of metering device output, line fault and communication fault that fault simulating device takes place when being used for simulating the electric energy measurement, metering device is used for measuring the electric energy of electric energy analogue means output, controlling means is used for setting up electric energy analogue means and metering device's parameter, and the action of control fault simulating device is in order to simulate various troubles. The utility model discloses can simulate the various wire trouble and the communication fault that supply low meter in -process to appear at the height, simple structure, safe in utilization, convenient operation can be practised by trainee repeatedly, master the counter -measure of various troubles.
Description
Technical field
The utility model is related to a kind of high for low meter analogue means.
Background technology
With the implementation of State Grid Corporation of China " SG186 " engineering, State Grid Corporation of China is increased to electrical energy system collection
Research dynamics.State Grid Corporation of China proposes intelligent grid concept, and acquiring electric energy information is important component therein, system
Main " all standing, the full collection " realized to all electricity consumption sides energy information, the development of acquiring electric energy information system enters new rank
Section, power information acquisition terminal can realize collection, data management, data double-way transmission and the forwarding of electric energy meter data or hold
Row control command.Electric energy acquisition mode has high for low meter and high for low two kinds of meter, and height for low meter is used in transformer primary side
Three-phase three-wire electric energy meter measures electric energy, and height is to measure electric energy using three-phase and four-line electric energy meter in Circuit Fault on Secondary Transformer for low meter.For
, in acquiring electric energy information, two kinds of electric energy acquisition modes are it is possible that various wiring faults and logical for electric staff
Letter failure, and these failures can cause a series of heavy losses such as electric energy loss or equipment damage, or even have influence on work people
How member's personal safety, preferably avoid and the various failures of correction skilled in time, electrician or repairing work for electric power system
Make for personnel, be the realistic problem that must be solved.Usual solution has two kinds, and one is solved on the spot in working site,
Two is to carry out hilllock front simulation training using open-and-shut device, for first method, due to the limitation at scene, is determined not
May carry out repeatedly, complete exercise, for second method, training set is extremely simple, it is impossible to comprehensive actual meter of simulation
During amount it is possible that problem.
Utility model content
The purpose of this utility model is directed to the deficiencies in the prior art, proposes a kind of high for low meter analogue means, Neng Gouquan
Face simulation is high to gather the problem being likely encountered during electric energy for low meter mode, and simple structure is easy to operate, and white silk can be repeated
Practise.
The utility model is achieved through the following technical solutions：
It is a kind of high to supply low meter analogue means, in simulating power distribution network using it is high measure power process for mode based on low in go out
Existing failure, including failure simulation device, the electric imitating device that is connected with failure simulation device respectively and metering device, respectively
The control device being connected with failure simulation device, electric imitating device and metering device, electric imitating device is used to be filled to metering
Output voltage and electric current are put, electric imitating device includes multiple virtual load power sources being connected with control device, virtual load power
Source include voltage analog unit and current analog unit, voltage analog unit include be sequentially connected voltage waveform memory module,
Voltage D/A modular converters and boost module, current analog unit include the current waveform memory module, the electric current D/A that are sequentially connected
Modular converter and liter flow module, voltage analog unit output each phase voltage value of A, B, C are the three-phase and four-line voltage of 220V, electric current
Analogue unit exports A, B, C three-phase current, and boost module and liter flow module connect through the failure simulation device and metering device
Connect, voltage waveform memory module and current waveform memory module are connected with the control device, failure simulation device is used for mould
Intend line fault and the communication failure occurred during electric energy metrical, metering device is used to measure the electric energy of electric imitating device output,
Control device is used to set the parameter of electric imitating device and metering device, and it is various to simulate to control failure simulation device to act
Failure.
Further, the failure simulation device includes multiple connecting one to one with the multiple virtual load power source
Failure setup module, failure setup module includes the first relay group that the first drive circuit and the first drive circuit connect, the
Two drive circuits and the second relay group of the second drive circuit connection, the first relay group are arranged on the virtual load power
On wire between source and metering device, for analog line failure, the second relay group is arranged on the control device and institute
State in the communication connection between metering device, for analogue communication failure, the control device passes through first, second drive circuit
First, second relay group is controlled to act respectively.
Further, the metering device includes that the first metering module for being used to measure total electric energy divides with multiple for measuring
Second metering module of electric energy, the first metering module passes through one of them described fault simulation module and corresponding virtual load power
Source is connected, and multiple second metering modules are connected by remaining described failure setup module with corresponding virtual load power source respectively,
First metering module is included the first electric energy meter connected with corresponding virtual load power source by first relay group and led to
The first emulation table that the second relay group is connected with the control device is crossed, the second metering module is included by first relay
The second electric energy meter and be connected with the control device by the second relay group that device group is connected with corresponding virtual load power source
The second emulation table, the reading of the settable first, second emulation table of control device makes the reading of the first electric energy meter and the first emulation table
Number sum is equal with the reading sum of all second electric energy meters and the second emulation table, to simulate the metering of total electric energy and point electric energy.
Further, first metering module also includes being emulated with each first, second electric energy meter, first, second respectively
Table and control device communication connection special transformer terminals, special transformer terminals be used for gather each first, second electric energy meter, first, second imitate
The data of true table simultaneously feed back to the control device.
Further, first, second electric energy meter is three-phase and four-line electric energy meter.
Further, the control device includes interchanger, is connected with switch communication respectively host computer and serial ports clothes
Business device, serial server respectively with the electric imitating device, fault simulation module and metering device communicate to connect, interchanger with
The metering device communication connection.
Further, also including the time set being connected with the failure simulation device, for show current time or
Countdown.
Further, also carried for sending voice in special time including the voice device being connected with the control device
Show.
The utility model has the advantages that：
1st, the utility model can simulate the various lines failure and communication failure occurred during height is for low meter, structure letter
Singly, using safe, easy to operate, exercise can be repeated by start-up, grasps the counter-measure of various failures.
2nd, the utility model can simulate normal height and supply low meter process, make more clearly to be understood by start-up and measured
Each step in journey, improves by the theoretical level and actual operational capacity of start-up.
3rd, the utility model has countdown, sound prompt function, can be used for being tested by the training of start-up.
Brief description of the drawings
The utility model is described in further details below in conjunction with the accompanying drawings.
Fig. 1 is the utility model theory diagram.
Fig. 2 is the embodiment schematic diagram of the utility model one.
Fig. 3 is the theory diagram of the utility model electric imitating device.
Fig. 4 is the theory diagram of the utility model failure simulation device.
Specific embodiment
As shown in Figures 1 to 4, it is high to include that control device 1, electric imitating device 2, fault simulation are filled for low meter analogue means
Put 3, metering device 4, time set 5 and voice device 6, electric imitating device 2 and metering device 4 respectively with failure simulation device
3 connections, control device 1 is connected with electric imitating device 2, failure simulation device 3 and metering device 4 respectively, electric imitating device 2
For to the output voltage of metering device 4 and electric current, failure simulation device 3 to be used to simulate the various circuits event occurred during electric energy metrical
Barrier and communication failure, metering device 4 are used to measure the electric energy of the output of electric imitating device 2, and control device 1 is used to set electric energy mould
Intend the parameter of device 2 and metering device 4, and control failure simulation device 3 to act to simulate various failures, time set 5 and event
Barrier analogue means 3 is connected, and for showing current time or countdown, voice device 6 is connected with control device 1, in spy
Fix time and send voice message.
Control device 1 includes interchanger 12, the host computer 11 and serial server 13 that are communicated to connect with interchanger 12 respectively,
Serial server 13 is communicated to connect with electric imitating device 2, failure simulation device 3 and metering device 4 respectively, interchanger 12 with meter
Amount device 4 is communicated to connect；Electric imitating device 2 includes that three void communicated to connect with the serial server 13 of control device 1 are born
Lotus power source 21, virtual load power source 21 includes voltage analog unit 22 and current analog unit 23, and voltage analog unit 22 is wrapped
Include voltage memory module 221, voltage D/A modular converters 222 and the boost module 223 being sequentially connected, voltage memory module 221 with
Serial server 13 is connected, wherein presetting the three-phase and four-line digital voltage waveform of different parameters, can be set by host computer 11
Different voltage parameters, the parameter that voltage memory module 221 is set according to host computer 11 exports corresponding digital voltage waveform, warp
Voltage D/A modular converters 222 are converted to analog voltage waveform, and the boosted module 223 of analog voltage waveform exports A, B, C after boosting
Phase voltage value is the three-phase and four-line voltage of 220V, and boost module 223 is connected through failure simulation device 3 with metering device 4, electric current
Analogue unit 23 includes the electric current memory module 231 being sequentially connected, electric current D/A modular converters 232 and rises flow module 233, electric current
Memory module 231 is connected with serial server 13, wherein the three-phase digital current waveform of different parameters is preset, can be by upper
Machine 11 sets different current parameters, and electric current memory module 231 is according to the corresponding numeral electricity of parameter output that host computer 11 is set
Stream waveform, is converted to analog current waveform, after analog current waveform is flowed up through liter flow module 233 through electric current D/A modular converters 232
Output A, B, C three-phase current, rises flow module 223 and is connected with metering device 4 through failure simulation device 3；Failure simulation device 3 includes
Three failure setup modules 31 connected one to one with three virtual load power sources 21, failure setup module 31 includes that first drives
The first relay group 33, the second drive circuit 34 and the second drive circuit 34 that 32 and first drive circuit of dynamic circuit 32 is connected
Second relay group 35 of connection, the first relay group 33 is arranged on the wire between virtual load power source 21 and metering device 4
On, for analog line failure, the second relay group 35 be arranged on the serial server 13 of control device 1 and metering device 4 it
Between communication connection on, for analogue communication failure, the first drive circuit 32, the second drive circuit 34 with serial server 13
Communication connection, host computer 11 controls the first relay group 33 and the respectively by the first drive circuit 32, the second drive circuit 34
Two relay groups 35 are acted；Metering device 4 measures mould including the first metering module 41 for measuring total electric energy, respectively with first
Two of the connection of block 41 are used to measure the second metering module 42 of point electric energy, and the first metering module 41 is set by one of failure
Put module 31 and virtual load power source 21 corresponding with the failure setup module 31 is connected, two the second metering modules 42 lead to respectively
Cross other two failure setup module 31 and corresponding virtual load power source 21 is connected, the first metering module 41 includes the first electric energy
Table and the first emulation table, the second metering module 42 include the second electric energy meter and the second emulation table, are also wrapped in the first metering module 41
The special transformer terminals for being communicated to connect with each electric energy meter and each emulation table respectively are included, the first electric energy meter, the second electric energy meter are three-phase four
Line electric energy meter, its A, B, C phase voltage interface is connected by wire with the boost module 223 of corresponding virtual load power source 21 respectively
Connect, the first electric energy meter, A, B, C phase current interface of the second electric energy meter pass through wire and corresponding virtual load power source 21 respectively
Rise flow module 233 to connect, the first emulation table, the second emulation table are connected with serial server 13 by RS485 order wires respectively, on
The settable first emulation table of position machine 11, the reading of the second emulation table, make the reading sum of the first electric energy meter and the first emulation table with
The reading sum of all second electric energy meters and the second emulation table is equal, to simulate the metering of total electric energy and point electric energy, special transformer terminals
Communicated to connect with interchanger 12 by RS232 order wires, all first electric energy meters, the second electric energy meter, the first emulation table can be gathered
With the data of the second emulation table and feed back to host computer 11, special transformer terminals parameter setting mistake can be simulated by host computer 11；The
One relay group 33 is arranged on the wire between the first electric energy meter or the second electric energy meter and corresponding virtual load power source 21,
For controlling the break-make of these wires to simulate various line faults, the second relay group 35 is arranged on the first emulation table or
It is each to simulate for controlling the break-make of these communication connections on RS485 order wires between two emulation tables and serial server 13
Plant communication failure.
Utility model works principle is as follows：
During normal work, voltage, the current parameters of each virtual load power source 21 are set by host computer 11, control first,
The actuating of relay in second relay group, makes each virtual load power source 21 be correctly connected with first, second electric energy meter, make control
Device 1 is correctly connected with first, second emulation table, sets the reading of each first, second emulation table, makes the first electric energy meter and first
The reading sum for emulating table is equal with the reading sum of the second emulation table with all second electric energy meters, shows just to by start-up
The relation of true measurent wiring mode, total electric energy and point electric energy；
During failure, host computer 11 controls the corresponding actuating of relay in the first relay group 33, can simulate first, second electric energy
Line fault between table and virtual load power source 21, such as broken voltage line, voltage misphase sequence, short circuit current, current open, electric current
Misphase sequence etc.；Host computer 11 controls the corresponding actuating of relay in the second relay group 35, can simulate first, second emulation table with string
Communication failure between mouth server 13, including RS485A broken strings, RS485B broken strings, RS485AB reversal connections etc.；Host computer 11 can set
The failure that the IP address and actual main website IP address for putting special transformer terminals are differed.
When breaking down, can be by first, second electric energy meter of observation, the display of first, second emulation table by start-up
Preliminary failure judgement classification, and device circuit is checked using instrument, the final localization of faults simultaneously removes failure.
During to giveing test training by start-up, countdown can be set by time set 5, and voice device 6 is set
Test carry out half, test close to an end when, carry out voice message.
The above, preferred embodiment only of the present utility model, therefore the utility model can not be limited with this and implemented
Scope, i.e., the equivalence changes made according to present utility model application the scope of the claims and description and modification all should still belong to this
In the range of utility model patent is covered.
Claims (8)
1. it is a kind of high to supply low meter analogue means, using the process that electric energy is measured for mode based on low high in simulating power distribution network, its
It is characterised by：Electric imitating device and metering device, the difference being connected with failure simulation device including failure simulation device, respectively
The control device being connected with failure simulation device, electric imitating device and metering device, electric imitating device is used to be filled to metering
Output voltage and electric current are put, electric imitating device includes multiple virtual load power sources being connected with control device, virtual load power
Source include voltage analog unit and current analog unit, voltage analog unit include be sequentially connected voltage waveform memory module,
Voltage D/A modular converters and boost module, current analog unit include the current waveform memory module, the electric current D/A that are sequentially connected
Modular converter and liter flow module, voltage analog unit output each phase voltage value of A, B, C are the three-phase and four-line voltage of 220V, electric current
Analogue unit exports A, B, C three-phase current, and boost module and liter flow module connect through the failure simulation device and metering device
Connect, voltage waveform memory module and current waveform memory module are connected with the control device, failure simulation device is used for mould
Intend line fault and the communication failure occurred during electric energy metrical, metering device is used to measure the electric energy of electric imitating device output,
Control device is used to set the parameter of electric imitating device and metering device, and it is various to simulate to control failure simulation device to act
Failure.
2. according to claim 1 a kind of high for low meter analogue means, it is characterised in that：The failure simulation device includes
Multiple failure setup modules connected one to one with the multiple virtual load power source, failure setup module includes that first drives
Circuit and the first drive circuit connection the first relay group, the second drive circuit and the second drive circuit connection second after
Electrical equipment group, the first relay group is arranged on the wire between the virtual load power source and metering device, for analog line
Failure, the second relay group is arranged in the communication connection between the control device and the metering device, logical for simulating
Letter failure, the control device controls first, second relay group to act respectively by first, second drive circuit.
3. according to claim 2 a kind of high for low meter analogue means, it is characterised in that：The metering device includes being used for
First metering module and multiple the second metering modules for measuring point electric energy of total electric energy are measured, the first metering module passes through it
In a fault simulation module connected with corresponding virtual load power source, multiple second metering modules respectively pass through remaining institute
Failure setup module is stated to be connected with corresponding virtual load power source, the first metering module include by first relay group and
First electric energy meter of corresponding virtual load power source connection and be connected with the control device by the second relay group first
Emulation table, the second metering module includes the second electric energy connected with corresponding virtual load power source by first relay group
Table and the second emulation table being connected with the control device by the second relay group, control device settable first, second are imitated
The reading of true table, makes the reading sum of the first electric energy meter and the first emulation table and the reading of all second electric energy meters and the second emulation table
Number sum is equal, to simulate the metering of total electric energy and point electric energy.
4. according to claim 3 a kind of high for low meter analogue means, it is characterised in that：First metering module is also wrapped
The special transformer terminals for being communicated to connect with each first, second electric energy meter, first, second emulation table and control device respectively are included, is specially become eventually
Hold for gathering each first, second electric energy meter, the data of first, second emulation table and feeding back to the control device.
5. according to claim 3 a kind of high for low meter analogue means, it is characterised in that：First, second electric energy meter
It is three-phase and four-line electric energy meter.
6. the one kind according to claim 1 or 2 or 3 or 4 or 5 is high for low meter analogue means, it is characterised in that：The control
Device includes interchanger, the host computer and serial server that are connected with switch communication respectively, serial server respectively with it is described
Electric imitating device, fault simulation module and metering device communication connection, interchanger are communicated to connect with the metering device.
7. the one kind according to claim 1 or 2 or 3 or 4 or 5 is high for low meter analogue means, it is characterised in that：Also include with
The time set of the failure simulation device connection, for showing current time or countdown.
8. the one kind according to claim 1 or 2 or 3 or 4 or 5 is high for low meter analogue means, it is characterised in that：Also include with
The voice device of the control device connection, for sending voice message in special time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621060950.4U CN206194227U (en) | 2016-09-18 | 2016-09-18 | Low meter analogue means of high confession |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621060950.4U CN206194227U (en) | 2016-09-18 | 2016-09-18 | Low meter analogue means of high confession |
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| Publication Number | Publication Date |
|---|---|
| CN206194227U true CN206194227U (en) | 2017-05-24 |
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ID=58728388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621060950.4U Active CN206194227U (en) | 2016-09-18 | 2016-09-18 | Low meter analogue means of high confession |
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| Country | Link |
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| CN (1) | CN206194227U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108445286A (en) * | 2018-03-08 | 2018-08-24 | 广西网冠电气有限公司 | A kind of three-phase four-wire system electrical energy meter fault simulator |
| CN109697912A (en) * | 2019-03-07 | 2019-04-30 | 郑州大信科技有限公司 | A kind of power distribution network O&M experience system |
| CN110208586A (en) * | 2019-05-15 | 2019-09-06 | 广州供电局有限公司 | Multiplexing electric abnormality analog circuit and multiplexing electric abnormality analog machine |
| CN112396906A (en) * | 2020-11-16 | 2021-02-23 | 河南能创电子科技有限公司 | Comprehensive simulation system for professional post skills and examination of electricity inspection for actual operation |
-
2016
- 2016-09-18 CN CN201621060950.4U patent/CN206194227U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108445286A (en) * | 2018-03-08 | 2018-08-24 | 广西网冠电气有限公司 | A kind of three-phase four-wire system electrical energy meter fault simulator |
| CN109697912A (en) * | 2019-03-07 | 2019-04-30 | 郑州大信科技有限公司 | A kind of power distribution network O&M experience system |
| CN110208586A (en) * | 2019-05-15 | 2019-09-06 | 广州供电局有限公司 | Multiplexing electric abnormality analog circuit and multiplexing electric abnormality analog machine |
| CN112396906A (en) * | 2020-11-16 | 2021-02-23 | 河南能创电子科技有限公司 | Comprehensive simulation system for professional post skills and examination of electricity inspection for actual operation |
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