CN2323379Y - Extension standard electric energy meter on-line testing device - Google Patents
Extension standard electric energy meter on-line testing device Download PDFInfo
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- CN2323379Y CN2323379Y CN 98202634 CN98202634U CN2323379Y CN 2323379 Y CN2323379 Y CN 2323379Y CN 98202634 CN98202634 CN 98202634 CN 98202634 U CN98202634 U CN 98202634U CN 2323379 Y CN2323379 Y CN 2323379Y
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- electric energy
- energy meter
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Abstract
The utility model relates to an extended type standard electric energy meter on-line debugging device, which is composed of a three-phase precise power supply 1, a high-accuracy current meter 2, a high-accuracy voltage meter 3, a high-accuracy standard electric energy meter (reference) 5, a debugging device 4, an error calculator 6 and debugged standard electric energy meters 7, 8, 9 which are connected. The debugging device 4 can simultaneously debug more than two standard electric energy meters, when the malfunction happens to any one of the debugged standard electric energy meters, only by connecting a current short circuit line with a corresponding current wiring terminal, the current is short-circuited; the voltage switch is off and disengages the on-line debugging not to affect the on-line debugging of other meters, and after the malfunction is eliminated to debug again; the current short-circuit line is switched off, and the voltage switch is turned on to debug again.
Description
The utility model relates to a kind of by three-phase precise testing power supply 1, pin-point accuracy reometer 2, pin-point accuracy voltage table 3, pin-point accuracy standard electric energy meter (benchmark) 5, Error Calculator 6, debugging apparatus 4, and debugged standard electric energy meter 7,8, the 9 a kind of extended pattern standard electric energy meter on-line debugging devices that connect to form, its technical characterictic is that debugging apparatus is by voltage input end cd, current input terminal ab, reometer 10,11,12, electric current binding post 19,20,22,23,25,26, short circuit current line 21,24,27, voltage switch 13,14,15, voltage indicator lamp 16,17,18, voltage output end, the debugging apparatus 4 that current output terminal connects to form, debugging loading amount 4 can be debugged two above standard electric energy meters simultaneously, when wherein one when breaking down of debugged electric energy meter, only need the short circuit current line is inserted on the corresponding electric current binding post, make its short circuit current, the off voltage switch, the standard electric energy meter that breaks down is broken away from debugging apparatus, keep in repair, and do not influence other standard electric energy meter on-line debuggings, after the pending fault electric energy meter is repaired, insert on-line debugging device 4, the short circuit current line is disconnected, connect voltage switch, can debug again, this device belongs to AC power surveying instrument technical field, simple in structure, easy to use, increase work efficiency and usage ratio of equipment.
Existing technology, standard electric energy meter adopts one one independent debugging in the mode production run at present, the high-grade electronic measuring instrument of mode need of work, wiring repeatedly, debugging efficiency is low, when breaking down as debugged standard electric energy meter, required high-grade electronic measuring instrument all is in the dry run state in it carries out servicing time, causes the waste of device resource.
The purpose of this utility model provides a kind of standard electric energy meter debugging apparatus of expanded function, and this device can be debugged two above standard electric energy meters simultaneously, has improved the utilization factor of work efficiency and electronic metering equipment, and convenient and reliable operation is saved time.
The utility model is finished as follows, and is a kind of by three-phase precise power supply 1, pin-point accuracy reometer 2, pin-point accuracy voltage table 3, pin-point accuracy standard electric energy meter (benchmark) 5.Error Calculator 6, mode device 4, the extended pattern standard electric energy meter on-line debugging device that debugged standard electric energy meter 7,8,9 connects to form.It is characterized in that the high-accuracy 5A alternating current of three-phase precise testing power supply 1 output connects pin-point accuracy reometer 2, by pin-point accuracy reometer 2, output current one tunnel connects the current input terminal a of debugging apparatus 4, b, the another kind of pin-point accuracy standard electric energy meter (benchmark) 5 that connects, the alternating voltage of the high-accuracy 100v of three-phase precise testing power supply 1 output connects pin-point accuracy voltage table 3, the voltage input end c that connects debugging apparatus 4 by pin-point accuracy voltage table 3 output voltages one tunnel, d, another road connects pin-point accuracy standard electric energy meter (benchmark) 5, pin-point accuracy standard electric energy meter (benchmark) 5, the full sized pules signal of output is connected with Error Calculator, debugging apparatus 4 voltage input end cd, voltage switch 13 is connected in parallel, 14,15, voltage switch 13,14,15 voltage indicator lamps 16 that are connected in parallel respectively, 17,18 (when voltage switch is closed, voltage indicator lamp is bright) and be connected with the voltage of debugging apparatus 4 output EF, voltage output EF respectively with debugged standard electric energy meter 7,8,9 voltage transformer (VT) 31,32,33 connect, debugging loading amount 4 current output terminal ab, be connected in series and connect electric current binding post 19 by the b end, electric current wiring 19 connects an end of the current transformer 28 of debugged standard electric energy meter 7, and the other end of mutual inductor 28 connects an end of reometer 10, and the other end of reometer 10 connects electric current binding post 20 and is connected with electric current binding post 22; Electric current binding post 22 connects an end of the current transformer 29 of debugged standard electric energy meter 8, the other end of mutual inductor 29 connects an end of reometer 11, the other end of reometer 11 connects electric current binding post 23 and is connected with electric current binding post 25, electric current binding post 25 connects an end of the current transformer 30 of debugged standard electric energy meter 9, mutual inductor 30 other ends connect an end of reometer 12, the other end of reometer 12 connects electric current binding post 26 and is connected (current return) with debugging apparatus 4 current input terminal a points, short circuit current line 21,24,27, be at debugged standard electric energy meter 7,8,9 o'clock, any one when breaking down, corresponding to voltage switch 13,14,15 disconnect, with short circuit current line 21 corresponding current binding posts 19,20, short circuit current line 24 corresponding current binding posts 22,23, short circuit current line 27 corresponding current binding posts 25,26 connect (perhaps using lapping switch), make its short circuit current, the standard electric energy meter that breaks down is broken away from debug system, do not influence the debugging of other online standard electric energy meters.The pulse signal separately of debugged standard electric energy meter 7,8,9 is exported respectively with Error Calculator 6 and is connected.
Principle of work of the present utility model is 100V alternating voltage and the 5 amperes of AC power by three-phase precise testing power supply 1 output pin-point accuracy, electric current detects through high standard reometer 2, one the tunnel is input to pin-point accuracy standard electric energy meter (benchmark) 5, one the tunnel is input to the debugged standard electric energy meter 7 that debugging apparatus 4 connects, 8,9, current transformer 28,29, on 30, voltage outputs to pin-point accuracy standard electric energy meter (benchmark) 5 through 3 fens two-way of pin-point accuracy voltage table, one the tunnel is input to the debugged standard electric energy meter 7 that debugging apparatus 4 connects, 8,9 voltage transformer (VT) 31,32, on 33, debugged standard electric energy meter 7,8,9 the pulse signal of output separately is input to Error Calculator 6 respectively, the full sized pules signal of pin-point accuracy standard electric energy meter (benchmark) 5 correspondences is input to Error Calculator 6, carry out the Error Calculation debugging according to measured pulse data and basic pulse data, mistake is the smaller the better.
Below in conjunction with accompanying drawing the utility model is further described:
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model debugging apparatus structural representation.
Fig. 3 is the utility model current work line construction synoptic diagram.
Fig. 4 is the utility model voltage power supply line construction synoptic diagram.
With reference to Fig. 1, three-phase precise testing power supply 1 (output high precision 5A alternating current and 100V alternating voltage) electric current output line is connected pin-point accuracy reometer 2, through 2 fens two-way of pin-point accuracy reometer, one route connects pin-point accuracy standard electric energy meter (benchmark) 5, another route connects the output terminal a of debugging apparatus 4, b, three-phase precise testing power supply 1 voltage output line connects pin-point accuracy voltage table 3, through 3 fens two-way of pin-point accuracy voltage table, one route connects pin-point accuracy standard electric energy meter (benchmark) 5, another route connects debugging apparatus 4 voltage input end c, d, the voltage output end E of debugging apparatus 4, F, current output terminal G, K connects debugged standard electric energy meter 7,8,9, they outputs pulse signal-line separately connects Error Calculator 6, and the full sized pules signal input line of pin-point accuracy standard electric energy meter (benchmark) 5 is connected to Error Calculator 6.
With reference to Fig. 2, Fig. 2 is debugging apparatus 4 and debugged standard electric energy meter 7,8,9.Structural representation, this debugging apparatus 4 can be debugged two above standard electric energy meters simultaneously.
Fig. 2 is that example is described to debug three standard electric energy meters, the voltage input end c of debugging apparatus 4, d, shunt voltage switch 13,14,15 and voltage indicator lamp 16,17,18, voltage switch 13,14, the voltage output end E that connects debugging apparatus 4 on 15 the long close point respectively, F and with debugged standard electric energy meter 7,8,9 voltage transformer (VT) 31,32,33 connect, the electric current line of debugging apparatus 4 and debugged standard electric energy meter 7,8,9 are connected in series, be debugging apparatus 4 current input terminal a, b, connect electric current binding post 19 by the b point, electric current wiring 19 connects an end of the current transformer 28 of debugged standard electric energy meter 7, the other end of current transformer 28 connects an end of reometer 10, the other end of reometer 10 connects electric current binding post 20, electric current binding post 20 is connected with electric current binding post 22, electric current binding post 22 connects an end of debugged standard electric energy meter 8 current transformers 29, the other end of mutual inductor 29 connects an end of reometer 11, the other end of reometer 11 connects electric current binding post 23 and connects electric current binding post 25, one of the current transformer 30 of the debugged standard electric energy meter 9 of electric current binding post 25 connections is held in addition, the other end of current transformer 30 connects an end of reometer 12, the other end of reometer 12 connects electric current binding post 26 and is connected (current return) with debugging apparatus 4 current input terminal a points, short circuit current line 21,24, the 27th, at debugged standard electric energy meter 7,8,9 o'clock, any correspondence when breaking down is with voltage switch 13,14,15 disconnect, with short circuit current line 21 corresponding current binding posts 19,20, short circuit current line 24 corresponding current binding posts 22,23, short circuit current line 27 corresponding current binding posts 25,26 connect, make its short circuit current, so that online debugged standard electric energy meter and the system that breaks down broken away from.Again during on-line debugging, as long as the sealing voltage switch, the turn-off current short-circuit line can be debugged again.
With reference to Fig. 3, Fig. 3 is the utility model current work structure connection diagram.
Connect electric current binding post 19 by the b point, electric current binding post 19 connects an end of current transformer 28, the other end of mutual inductor 28 connects an end of reometer 10, the other end of reometer 10 connects electric current binding post 20, and be connected with electric current binding post 22, electric current binding post 22 connects an end of current transformer 29, the other end of current transformer 29 connects an end of reometer 11, the other end of reometer 11 connects electric current binding post 23 and is connected with electric current binding post 25, electric current binding post 25 connects an end of current transformer 30, the other end of current transformer 30 connects an end of reometer 12, and the other end of reometer 12 connects electric current binding post 26 and is connected with a point.
With reference to Fig. 4, Fig. 4 is the utility model voltage power supply structural representation.
Voltage is by c, the d voltage switch 13,14,15 that is connected in parallel, and corresponding shunt voltage pilot lamp 16,17,18 and voltage transformer (VT) 31,32,22 respectively.
Claims (3)
1, a kind of by three-phase precise power supply 1, pin-point accuracy reometer 2, pin-point accuracy voltage table 3, pin-point accuracy standard electric energy meter (benchmark) 5, Error Calculator 6, debugging apparatus 4, debugged standard electric energy meter 7,8, the 9 extended pattern standard electric energy meter on-line debugging devices that connect to form, the electric current output line that it is characterized in that three-phase precise testing power supply 1 connects pin-point accuracy reometer 2, by pin-point accuracy reometer 2, the electric current line connects the input end of pin-point accuracy standard electric energy meter (benchmark) 5 and the current input terminal a of debugging apparatus 4 respectively, b, the voltage output line of three-phase precise testing power supply 1 connects pin-point accuracy voltage table 3, pressure-wire by pin-point accuracy electric energy meter 3 connects the input end of pin-point accuracy standard electric energy meter (benchmark) 5 and the voltage input end c of debugging apparatus 4 respectively, d connects, the current output terminal of debugging apparatus 4 connects debugged standard electric energy meter 7 respectively, 8, the current transformer 28 of 9 correspondences, 29,30, the voltage output end of debugging apparatus 4 connects debugged standard electric energy meter 7 respectively, 8, the voltage transformer (VT) 31 of 9 correspondences, 32,33, debugged standard electric energy meter 7,8,9 pulse output connects Error Calculator 6, and the full sized pules output of pin-point accuracy standard electric energy meter (benchmark) 5 connects Error Calculator 6.
2, according to claim 1, it is characterized in that debugging apparatus 4 can debug the debugged standard electric energy meter more than two simultaneously.
3, according to claim 1 and claim 2, it is characterized in that on-line debugging standard electric energy meter 7,8,9, when breaking down, short circuit current line 21 short circuit corresponding current binding posts 19,20, short circuit current line 24 short circuit corresponding current binding posts 22,23, short circuit current line 27 short circuit corresponding current binding posts 25,26 connect short circuits, (cut off respectively inductive switch 13,14,15 7,8,9 input voltage).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98202634 CN2323379Y (en) | 1998-03-26 | 1998-03-26 | Extension standard electric energy meter on-line testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98202634 CN2323379Y (en) | 1998-03-26 | 1998-03-26 | Extension standard electric energy meter on-line testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2323379Y true CN2323379Y (en) | 1999-06-09 |
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ID=33959641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98202634 Expired - Fee Related CN2323379Y (en) | 1998-03-26 | 1998-03-26 | Extension standard electric energy meter on-line testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2323379Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101498775B (en) * | 2009-03-17 | 2012-07-04 | 江苏省电力试验研究院有限公司 | Calibration apparatus for gate energy meter of digitized transforming plant |
| CN105938185A (en) * | 2015-12-27 | 2016-09-14 | 天津市品通电力科技有限公司 | Multifunctional instrument debugging circuit |
-
1998
- 1998-03-26 CN CN 98202634 patent/CN2323379Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101498775B (en) * | 2009-03-17 | 2012-07-04 | 江苏省电力试验研究院有限公司 | Calibration apparatus for gate energy meter of digitized transforming plant |
| CN105938185A (en) * | 2015-12-27 | 2016-09-14 | 天津市品通电力科技有限公司 | Multifunctional instrument debugging circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| MM1K | Cease caused by non payment of annual fee |