CN206097632U - Three -phase electric energy meter operating mode fault simulating device - Google Patents
Three -phase electric energy meter operating mode fault simulating device Download PDFInfo
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- CN206097632U CN206097632U CN201620351115.XU CN201620351115U CN206097632U CN 206097632 U CN206097632 U CN 206097632U CN 201620351115 U CN201620351115 U CN 201620351115U CN 206097632 U CN206097632 U CN 206097632U
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- energy meter
- relay group
- electric energy
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Abstract
The utility model discloses a three -phase electric energy meter operating mode fault simulating device, include virtual load operating mode analog module of being connected with the three -phase electric energy meter and the last bit manipulation computer of being connected with the commercial power electric wire netting, virtual load operating mode analog module includes forceful electric power module and light current module, the forceful electric power module includes the forceful electric power relay group, commercial power power grid access device and virtual load electric current source, the light current module includes the treater, light current relay group and RS485 communication interface, RS485 communication interface is connected with treater and light current relay group, the light current relay group is connected with treater and forceful electric power relay group, the forceful electric power relay group is connected with commercial power power grid access device and virtual load electric current source, the utility model discloses connection structure simulates the connection to the three -phase electric energy meter to but the size of artificial load can realize adorning the operation that connects electricity, operation maintenance, copies nuclear receipts, anti -electricity -stealing environmental simulation to the three -phase electric energy meter, and the condition that makes the ammeter appear truly is the reduction, and the people of being convenient for operate the training.
Description
Technical field：
The utility model is related to a kind of electric energy metrical field, more particularly to a kind of three-phase electric energy meter operating mode fault simulation dress
Put.
Background technology：
Three-phase electric energy meter as industry and commerce user power utilization measuring equipment, with pushing away for national intelligent grid construction in recent years
Enter, and the construction volume of the three-phase meter of the increase of electricity consumption of resident, annual new clothes and replacing is continuously maintained in more than 10,000,000, especially
All multifactor controls, all of ammeter installation, debugging, operation maintenance, the electricity charge is received to calculate the work such as recovery in the extensive country regions
Completed by Township Merging electrician entirely, so higher skill set requirements are proposed to electrician.Currently for electric power employee skills real training
Kind equipment function is relatively simple, gives training for specific works, and multiple Practical training equipments need to be equipped with when carrying out integrating skills real training,
Need to use special meter etc., it is impossible to comprehensive integration；Simultaneously at present existing Practical training equipment is huger, it is impossible to small-sized
Change, be difficult to build in the first-line power supply station of business.Therefore needs one kind is small-sized can suit live three-phase meter installation, adjust
Examination, recording, checking, and charging and the institute of operation maintenance in the future functional training set, are easy to staff to carry out technical training work.
Utility model content：
Technical problem to be solved in the utility model is：Overcome the deficiencies in the prior art, there is provided a kind of simple structure, it is right
Three-phase electric energy meter attachment structure is simulated connection, three-phase electric energy meter can be carried out attaching electricity, operation maintenance, recording, checking, and charging, it is anti-surreptitiously
The three-phase electric energy meter operating mode failure simulation device of electrical environment simulated operation.
The technical solution of the utility model is：A kind of three-phase electric energy meter operating mode failure simulation device, including three-phase electric energy meter,
Upper operating computer and virtual load Work condition analogue module, the virtual load Work condition analogue module and three-phase electric energy meter, upper bit manipulation
Computer and utility grid connect, and the virtual load Work condition analogue module includes forceful electric power module and light current module, the forceful electric power module
Including heavy-current relay group, utility grid access device and virtual load current source, the light current module include processor, light current after
Electrical equipment group and RS485 communication interfaces, the RS485 communication interfaces are connected with processor and light-current relay group, the light current after
Electrical equipment group is connected with processor and heavy-current relay group, and the heavy-current relay group is electric with utility grid access device and virtual load
Stream source connects, and the heavy-current relay group includes relay group one and relay group two, the relay group one and three-phase electric energy
Table connects.
The relay group two is connected with utility grid access device, and the virtual load current source is arranged on relay group one
Between relay group two, and the virtual load current source includes toroidal transformer and power resistor.
The power resistor is connected by relay with toroidal transformer, and the relay is connected with processor, the work(
The resistance of rate resistance is differed, and the relay group one is connected with three-phase electric energy meter, and relay group one and three-phase electric energy meter
Between each phase road on be provided with switch, switch, the switch are provided between the relay group two and utility grid
For switch relay.
The light-current relay group is connected by RS485 communication interfaces with three-phase electric energy meter, the RS485 communication interfaces with
Upper operating computer connection, the processor is single-chip microcomputer, and the three-phase electric energy meter is three-phase mechanical formula electric energy meter or three-phase electricity
Minor electric energy meter or the built-in electric energy meter of three-phase transformer or three-phase transformer external electric energy meter.
The beneficial effects of the utility model are：
1st, the utility model adopts single-chip microcomputer technology, internal all states can be obtained by computer and be repaiied
Change, and to three-phase electric energy meter attachment structure be simulated connect, and can fictitious load size, be capable of achieving three-phase electric energy meter is entered
Luggage connects electricity, operation maintenance, recording, checking, and charging, the operation of environmental simulation of opposing electricity-stealing, and makes the situation that ammeter occurs be truly reduction, is easy to
People carry out operation training.
2nd, the utility model carries out virtual load current source generation using toroidal transformer, is accessed by control relay different
Power resistor, realize three-phase meter electricity consumption operating mode current value arrange operation, realize three-phase meter recording, checking, and charging function real training, processor is adopted
With ARM kernel single-chip microcomputers, it includes multi-channel serial port and abundant I/O pin resource, carries jtag interface, can carry out on-line debugging
And programming.
3rd, the utility model processor receives the control instruction of upper operating computer, carries out corresponding relay group and cuts throwing,
Three-phase meter installation, debugging, operation maintenance, the environmental simulation such as oppose electricity-stealing are carried out, the installation wiring to electric energy meter is monitored, and monitors
Automatically protection operation is carried out when short-circuit, start-up's personal safety is protected.
What the 4th, the utility model three-phase meter was accessed is electronic electric energy meter, and device is completed using two-way RS485 communication interfaces
Data interaction forwarding operation between upper operating computer and three phases electronic energy meter.
5th, control of the utility model by the realization of upper operating computer to relay group, relay and switch, personnel are only
Need to complete simulated operation by by the mouse or keyboard on upper operating computer, device simulated condition situation is in upper bit manipulation electricity
Brain shown, saves the time wasted when people's physical cabling is operated.
Description of the drawings：
Fig. 1 connects block diagram for the structure of virtual load Work condition analogue module.
Fig. 2 connects block diagram for the structure of Three-phase energy table operating mode failure simulation device.
Fig. 3 connects block diagram for the structure of mutual-inductor type three-phase electric energy meter operating mode failure simulation device
Specific embodiment：
Embodiment：Referring to Fig. 1, Fig. 2 and Fig. 3.
Three-phase electric energy meter operating mode failure simulation device, including three-phase electric energy meter, upper operating computer and virtual load operating mode mould
Intend module, virtual load Work condition analogue module is connected with three-phase electric energy meter, upper operating computer and utility grid, virtual load operating mode mould
Intending module includes forceful electric power module and light current module, and forceful electric power module is negative including heavy-current relay group, utility grid access device and void
Charged current source, light current module includes processor, light-current relay group and RS485 communication interfaces, RS485 communication interfaces and processor
With the connection of light-current relay group, light-current relay group is connected with processor and heavy-current relay group, heavy-current relay group and civil power
Electrical network access device and virtual load current source connect, and heavy-current relay group includes relay group one and relay group two, relay
Group one is connected with three-phase electric energy meter.
Relay group two is connected with utility grid access device, and virtual load current source is arranged on relay group one and relay
Between group two, and virtual load current source includes toroidal transformer and power resistor.
Power resistor is connected by relay with toroidal transformer, and relay is connected with processor, the resistance of power resistor
Differ, relay group one is connected with three-phase electric energy meter, and on each phase road between relay group one and three-phase electric energy meter
Switch is provided with, switch is provided between relay group two and utility grid, switched as switch relay.
Light-current relay group is connected by RS485 communication interfaces with three-phase electric energy meter, RS485 communication interfaces and upper bit manipulation
Computer connects, and processor is single-chip microcomputer, and three-phase electric energy meter is three-phase mechanical formula electric energy meter or three phases electronic energy meter or three-phase
The built-in electric energy meter of transformer or three-phase transformer external electric energy meter.
As shown in Figure 1：
A, B, C, N incoming line on device respectively with A, B, C of civil power（Live wire）、N（Zero line）Power supply is attached, annular
Transformer and power resistor carry out virtual load current source generation, by controlling power resistor resistance, you can complete virtual load electric current
The output size in source, according to the three-phase meter type for being accessed, the three-phase meter built-in for transformer, it is attached to alternating voltage letter
On number, that is, virtual load power source is constituted, electric current output loop is directly accessed electric current and is returned by the three-phase meter external for transformer
Road, completes driving of the virtual load power source to three-phase meter, and processor carries out the event of RS485 wiring class by controlling light-current relay group
Barrier simulation；Attaching electricity debugging analoglike and simulation of opposing electricity-stealing are carried out by controlling heavy-current relay group 1 and heavy-current relay group 2.
As shown in Figure 2：
Three-phase electric energy meter operating mode failure simulation device output par, c Ua, Ia, Ub, Ib, Uc, Ic, N respectively with three-phase electric energy meter
1st, 3,4,6,7,9,10 binding posts are attached, for Jing mutual-inductor type three-phase electric energy meters, three-phase electric energy meter operating mode fault simulation
Device output par, c Ua, IA, Ia, Ub, IB, Ib, Uc, IC, Ic, N respectively with three-phase electric energy meter 1,2,3,4,5,6,7,8,9,10
Binding post is attached, and for the three phases electronic energy meter of band RS485 communication interfaces, then the RS485 of analogue means communicates
Interface is attached with the RS485 communication interfaces at table end, is provided with the host computer behaviour of three-phase meter fault condition simulation training software
Make computer and be attached with processor using RS485 communication interfaces to communicate.
The three-phase meter fault condition simulation training software on host computer operating computer is run on by RS485 order wires to electricity
Can table operating condition simulated operation is set, the simulation of attaching electric fault arranges/releases, oppose electricity-stealing and function setting/releasing and write
Enter/reading power meters in data manipulation, complete three-phase electric energy meter attaching electricity real training, recording, checking, and charging real training, day-to-day operation safeguard real training,
The comprehensive practical tranings such as real training of opposing electricity-stealing are operated.
The above, is only preferred embodiment of the present utility model, not makees any formal to the utility model
Restriction, every any simple modification above example made according to technical spirit of the present utility model, equivalent variations with
Modification, still falls within the range of technical solutions of the utility model.
Claims (3)
1. a kind of three-phase electric energy meter operating mode failure simulation device, including three-phase electric energy meter, upper operating computer and virtual load operating mode
Analog module, the virtual load Work condition analogue module is connected with three-phase electric energy meter, upper operating computer and utility grid, its feature
It is：The virtual load Work condition analogue module includes forceful electric power module and light current module, the forceful electric power module include heavy-current relay group,
Utility grid access device and virtual load current source, the light current module includes processor, light-current relay group and RS485 communication
Interface, the RS485 communication interfaces are connected with processor and light-current relay group, the light-current relay group and processor and by force
Electrical relay group connects, and the heavy-current relay group is connected with utility grid access device and virtual load current source, the forceful electric power
Relay group includes relay group one and relay group two, and the relay group one is connected with three-phase electric energy meter, the light current after
Electrical equipment group is connected by RS485 communication interfaces with three-phase electric energy meter, and the RS485 communication interfaces are connected with upper operating computer,
The processor is single-chip microcomputer, and the three-phase electric energy meter is that three-phase mechanical formula electric energy meter or three phases electronic energy meter or three are mutual
The built-in electric energy meter of sensor or three-phase transformer external electric energy meter.
2. three-phase electric energy meter operating mode failure simulation device according to claim 1, is characterized in that：The relay group two with
Utility grid access device connects, and the virtual load current source is arranged between relay group one and relay group two, and described
Virtual load current source includes toroidal transformer and power resistor.
3. three-phase electric energy meter operating mode failure simulation device according to claim 2, is characterized in that：The power resistor passes through
Relay is connected with toroidal transformer, and the relay is connected with processor, and the resistance of the power resistor is differed, described
Relay group one is connected with three-phase electric energy meter, and is provided with out on each phase road between relay group one and three-phase electric energy meter
Close, switch is provided between the relay group two and utility grid, the switch is switch relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620351115.XU CN206097632U (en) | 2016-04-25 | 2016-04-25 | Three -phase electric energy meter operating mode fault simulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620351115.XU CN206097632U (en) | 2016-04-25 | 2016-04-25 | Three -phase electric energy meter operating mode fault simulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206097632U true CN206097632U (en) | 2017-04-12 |
Family
ID=58470770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620351115.XU Expired - Fee Related CN206097632U (en) | 2016-04-25 | 2016-04-25 | Three -phase electric energy meter operating mode fault simulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206097632U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114089245A (en) * | 2021-11-22 | 2022-02-25 | 广东电网有限责任公司广州供电局 | Meter checking instrument |
-
2016
- 2016-04-25 CN CN201620351115.XU patent/CN206097632U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114089245A (en) * | 2021-11-22 | 2022-02-25 | 广东电网有限责任公司广州供电局 | Meter checking instrument |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20180425 |