CN206258571U - Three-phase intelligent electric-energy meter simulation detection system - Google Patents
Three-phase intelligent electric-energy meter simulation detection system Download PDFInfo
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- CN206258571U CN206258571U CN201621435059.4U CN201621435059U CN206258571U CN 206258571 U CN206258571 U CN 206258571U CN 201621435059 U CN201621435059 U CN 201621435059U CN 206258571 U CN206258571 U CN 206258571U
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Abstract
The utility model discloses a kind of three-phase intelligent electric-energy meter simulation detection system, including power source, the concentrator being also connected including electric energy meter and with electric energy meter；The power source is that concentrator and electric energy meter are powered with current system by switch unit, current transformer and the switching switch for switch unit to be switched between direct powering mode and indirect powering mode are provided with the switch unit, the direct powering mode refers to that the electric current of power source output directly feeds concentrator, and the indirect pattern refers to resupply concentrator after the electric current that power source is exported is changed by current transformer.The utility model is that concentrator and electric energy meter unify power supply using a set of power source, and meets the use requirement of the electric energy meter of different current specifications.
Description
Technical field
The utility model is related to a kind of electric energy meter simulation detection system.
Background technology
Intelligent electric energy meter is for electric energy trade settlement between genco and electric company, electric company and Electricity customers
Important measurement instrument.To verify the error testing and copy reading data of three-phase intelligent electric-energy meter, it is necessary to build simulation detection system, lead to
Cross concentrator copy reading three-phase intelligent electric-energy meter, complete correlated performance detection.
It is required when being worked due to concentrator and electric energy meter in three-phase intelligent electric-energy meter simulation detection system of the prior art
The size of current wanted is different, it is therefore desirable to be respectively concentrator using two sets of power sources and electric energy meter is powered, and wiring relation is complicated,
High cost.On the other hand the current specification of electric energy meter to be detected differs, it is difficult to using same power source to concentrator and electric energy
Table is powered simultaneously.
Utility model content
The utility model provides three-phase intelligent electric-energy meter simulation detection system, and its problem to be solved is：（1）Use
A set of power source is that concentrator and electric energy meter are together powered；（2）Meet the use requirement of the electric energy meter of different supply current specifications.
The technical solution of the utility model is as follows：
Three-phase intelligent electric-energy meter simulation detection system, including power source, are also connected including electric energy meter and with electric energy meter
Concentrator；
The power source is that concentrator and electric energy meter are powered with current system by switch unit, is set in the switch unit
There are current transformer and the switching for switch unit to be switched between direct powering mode and indirect powering mode to switch, institute
State the electric current that direct powering mode refers to power source output and directly feed concentrator, the indirect pattern refers to power source output
Electric current resupplies concentrator after being changed by current transformer.
As further improvement of the utility model：The switch unit has the electric current inlet wire for connecting with power source
End and current outlet end, and also including the first output end and the second output end for being powered for electric energy meter and for being collection
The 3rd output end and the 4th output end that middle device is powered；
The current transformer primary side have the first terminals and the second terminals, secondary side have the 3rd terminals and
4th terminals；
It is described switching switch include first switching switch and second switching switch, it is described first switching switch common port and
Current outlet end is connected, normal-closed end is connected with the first terminals, normally opened end is connected with the 3rd terminals, and described second cuts
The common port for changing switch is connected with the 3rd output end, normal-closed end is connected with the 4th terminals, normally opened end and the second terminals
It is connected；
3rd terminals are connected with the 4th output end, and the electric current end of incoming cables is connected with the first output end, institute
The second terminals are stated to be connected with the second output end.
As further improvement of the utility model：Also include control device, the control device and the first switching switch
And second switching switch be respectively connected with control the first switching switch with second switching switch synchronization action.
As further improvement of the utility model：Also include control device, the concentrator is connected with control device.
As further improvement of the utility model：Also include control device, the power source is connected with control device.
As further improvement of the utility model：The concentrator is connected by collector with electric energy meter.
Relative to prior art, the utility model has following good effect：The utility model is by switch unit to work(
The electric current that rate source provides is converted, there is provided directly or indirectly two kinds of powering modes：Under direct powering mode, power source exists
Directly for concentrator and electric energy meter together supply low current under the control of control device；Under indirect powering mode, power source is electric energy
Table directly supplies high current, while for concentrator is powered after current transformer converts electrical current into low current, so as to ensure that
Normal power supply when concentrator needs the low current, electric energy meter to need high current.The utility model can be using a set of power source
Electric energy meter and concentrator are together powered, and meet the use requirement of the electric energy meter of different current specifications.
Brief description of the drawings
Fig. 1 is the structural representation of switch unit.
Specific embodiment
Describe the technical solution of the utility model in detail below in conjunction with the accompanying drawings：
Three-phase intelligent electric-energy meter simulation detection system, including power source and control device, also including electric energy meter and with electricity
The concentrator that energy table is connected.The concentrator is connected by collector with electric energy meter, is used between concentrator and collector
Carrier system communication connection, connection is communicated between collector and electric energy meter using RS485 modes, and the electric energy meter is three-phase intelligent
Electric energy meter.
The concentrator and power source are also connected with control device respectively, and the control device includes industrial computer and upper
Machine.
The power source is that concentrator and electric energy meter are powered with current system by switch unit, is set in the switch unit
There are current transformer and the switching for switch unit to be switched between direct powering mode and indirect powering mode to switch, institute
State the electric current that direct powering mode refers to power source output and directly feed concentrator, the indirect pattern refers to power source output
Electric current resupplies concentrator after being changed by current transformer.
Further：Such as Fig. 1, the switch unit goes out with the electric current end of incoming cables 1 for connecting with power source and electric current
Line end 2, and also including the first output end 5 and the second output end 8 for being powered for electric energy meter and for for concentrator is supplied
3rd output end 9 and the 4th output end 10 of electricity；
The current transformer primary side has the first terminals 3 and the second terminals 4, and secondary side has the 3rd terminals
6 and the 4th terminals 7；
The switching switch includes the first switching switch 12 and the second switching switch 11, the public affairs of the first switching switch 12
End is connected with current outlet end 2 altogether, normal-closed end is connected with the first terminals 3, normally opened end is connected with the 3rd terminals 6,
The common port of the second switching switch 11 is connected with the 3rd output end 9, normal-closed end is connected with the 4th terminals 7, normally opened
End is connected with the second terminals 4；
3rd terminals 6 are connected with the 4th output end 10, and the electric current end of incoming cables 1 is connected with the first output end 5
Connect, second terminals 4 are connected with the second output end 8.
The control device is respectively connected with to control first to cut with the first switching switch 12 and the second switching switch 11
Change switching 11 synchronization actions of switch of switch 12 and second.
The first switching switch 12 and the second switching switch 11 can be realized by relay.
The exportable three-phase current of power source is that concentrator and electric energy meter are powered, and each phase current is each respectively by a switching
Unit is connected with the phase current input terminal on concentrator and electric energy meter.
The workflow of this detecting system is：
After the completion of wiring, testing staff determines the operating current specifications of concentrator and this electric energy meter to be detected first.
If concentrator needs to use low current and electric energy meter needs high current, default setting is kept to use indirect powering mode：Work(
The electric current of rate source output passes sequentially through electric current end of incoming cables 1, the first output end 5, the electric energy meter of some series connection, current transformer once
Side and current outlet end 2 form loop for electric energy meter supplies high current, meanwhile, current transformer changes the low current to be formed two
The output of secondary side, by the 4th terminals 7, the 3rd output end 9, the concentrator of some series connection, the 4th output end 10 and the 3rd wiring
End 6 forms loop for concentrator supplies low current.If concentrator is identical with the current specification that electric energy meter needs, control device control
The switching of system first switch 12 and the second switching switch 11 synchronization actions, are switched to direct powering mode, now power source output
Electric current pass sequentially through electric current end of incoming cables 1, the first output end 5, the electric energy meter of some series connection, the second output end 8, the 3rd output end 9,
The concentrator of some series connection, the 4th output end 10, the 3rd terminals 6 and current outlet end 2 form a total loop, by electric energy meter
Connected with concentrator, provided for identical electric current.
Claims (6)
1. three-phase intelligent electric-energy meter simulation detection system, it is characterised in that：Including power source, also including electric energy meter and and electric energy
The concentrator that table is connected；
The power source is that concentrator and electric energy meter are powered with current system by switch unit, and electricity is provided with the switch unit
Current transformer and the switching switch for switch unit to be switched between direct powering mode and indirect powering mode are described straight
Connect the electric current that powering mode refers to power source output and directly feed concentrator, the indirect pattern refers to the electric current of power source output
Concentrator is resupplied after being changed by current transformer.
2. three-phase intelligent electric-energy meter simulation detection system as claimed in claim 1, it is characterised in that：The switch unit has
For the electric current end of incoming cables connected with power source（1）With current outlet end（2）, and also including for being powered for electric energy meter
One output end（5）With the second output end（8）And the 3rd output end for being powered for concentrator（9）With the 4th output end
（10）；
The current transformer primary side has the first terminals（3）With the second terminals（4）, secondary side is with the 3rd terminals
（6）With the 4th terminals（7）；
The switching switch includes the first switching switch（12）With the second switching switch（11）, the first switching switch（12）'s
Common port and current outlet end（2）Be connected, normal-closed end and the first terminals（3）Be connected, normally opened end and the 3rd terminals（6）
It is connected, the second switching switch（11）Common port and the 3rd output end（9）Be connected, normal-closed end and the 4th terminals
（7）Be connected, normally opened end and the second terminals（4）It is connected；
3rd terminals（6）With the 4th output end（10）It is connected, the electric current end of incoming cables（1）With the first output end（5）
It is connected, second terminals（4）With the second output end（8）It is connected.
3. three-phase intelligent electric-energy meter simulation detection system as claimed in claim 2, it is characterised in that：Also include control device,
The control device and the first switching switch（12）And second switching switch（11）It is respectively connected with to control the first switching to open
Close（12）With the second switching switch（11）Synchronization action.
4. three-phase intelligent electric-energy meter simulation detection system as claimed in claim 1, it is characterised in that：Also include control device,
The concentrator is connected with control device.
5. three-phase intelligent electric-energy meter simulation detection system as claimed in claim 1, it is characterised in that：Also include control device,
The power source is connected with control device.
6. the three-phase intelligent electric-energy meter simulation detection system as described in claim 1 to 5 is any, it is characterised in that：The concentration
Device is connected by collector with electric energy meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621435059.4U CN206258571U (en) | 2016-12-26 | 2016-12-26 | Three-phase intelligent electric-energy meter simulation detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621435059.4U CN206258571U (en) | 2016-12-26 | 2016-12-26 | Three-phase intelligent electric-energy meter simulation detection system |
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| Publication Number | Publication Date |
|---|---|
| CN206258571U true CN206258571U (en) | 2017-06-16 |
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ID=59030450
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621435059.4U Active CN206258571U (en) | 2016-12-26 | 2016-12-26 | Three-phase intelligent electric-energy meter simulation detection system |
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| Country | Link |
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| CN (1) | CN206258571U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501761A (en) * | 2016-12-26 | 2017-03-15 | 烟台东方威思顿电气股份有限公司 | Three-phase intelligent electric-energy meter simulation detection system |
-
2016
- 2016-12-26 CN CN201621435059.4U patent/CN206258571U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501761A (en) * | 2016-12-26 | 2017-03-15 | 烟台东方威思顿电气股份有限公司 | Three-phase intelligent electric-energy meter simulation detection system |
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