CN201153017Y - False wiring simulating device for electric power metering apparatus - Google Patents
False wiring simulating device for electric power metering apparatus Download PDFInfo
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- CN201153017Y CN201153017Y CNU2007201887319U CN200720188731U CN201153017Y CN 201153017 Y CN201153017 Y CN 201153017Y CN U2007201887319 U CNU2007201887319 U CN U2007201887319U CN 200720188731 U CN200720188731 U CN 200720188731U CN 201153017 Y CN201153017 Y CN 201153017Y
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 abstract description 3
- 238000004088 simulation Methods 0.000 abstract 3
- 238000000819 phase cycle Methods 0.000 description 20
- 238000003756 stirring Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
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Abstract
The utility model relates to a line connection device for the electrician training, in particular to an incorrect connection simulation device of an electric energy measuring device, which is used for the operation skill improvement, the technique training, competition appraisal, training demonstration of the electric power employees. The incorrect connection simulation device comprises an electric current incorrect connection simulator and a voltage incorrect connection simulator, wherein, the input ends of the three-phase electric current and the voltage of the electric current incorrect connection simulator and the voltage incorrect connection simulator are respectively connected with the output ends of the three-phase virtual electric current and the virtual voltage of a peripheral virtual load power supply device; the output ends of the three-phase electric current and the voltage of the electric current incorrect connection simulator and the voltage incorrect connection simulator are respectively connected with the input ends of the electric current and the voltage of the peripheral electric power measuring device. When the incorrect connection is set, people can dial the corresponding switches of the electric current and the voltage incorrect connection simulators to set the single electric current and voltage incorrect connection or the combined incorrect connection. The incorrect connection simulation device has simple structure, reliable work, convenient operation and high efficiency, and can rapidly accomplish the reconnection of various incorrect connections.
Description
Technical field
The utility model relates to the termination that a kind of electrician trains usefulness, and is particularly a kind of in order to the electric power worker is promoted the device for simulating false wiring of electric energy metering equipment of business skill, technology troop training, contest evaluation, training demonstration usefulness.
Background technology
Electric power meter works the special role of making scale in Utilities Electric Co.'s dealing electric energy, wiring error to electric power meter can not be measured accurately and reliably to electric weight, and with electric process electrification will take place to use, and for those ordering about by economic interests, stealing and transgression for using electricity behavior will bring economic loss to society, therefore need align the various measuring apparatus that are in operation and carry out regular or irregular necessary the inspection.
Owing in real work, be difficult to see phenomenon, the consequence of various false wiring modes and generation,, must carry out and on-the-spot consistent training to them for promoting electric power meter supervisory personnel's the judgement and the technical ability of opposing electricity-stealing.In present training and learning, if the student only learns by books or teacher's explanation, because not directly perceived, the student is difficult to understand, grasp.For improving learning efficiency, the theoretical mode that combines with real training has mostly been adopted in present training.The wherein normal main employing of real training: (1) is line directly; (2) use the computer software emulation; Dual mode carries out real training, so that can accumulate experience by training fast.Because mode (1) is finished by changing wiring one by one various false wiring modes, very approaching with the scene, but whenever change primary connection and all will spend the long time, thereby at short notice, the student can not finish the various modes of connection one by one in training, he just can not watch the phenomenon and the consequence of corresponding wiring.Mode (2) is owing to be to simulate false wiring with the computer software mode, and the reconfiguration line is convenient, fast, but exists and the on-the-spot problem that differs greatly, and costs an arm and a leg.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure, reliable operation, efficient height, can finishes the device for simulating false wiring of electric energy metering equipment of various false wiring mode reconfigurations fast.
For realizing that the purpose of this utility model has adopted following technical scheme: a kind of device for simulating false wiring of electric energy metering equipment of the utility model, it is characterized in that including current error wiring simulator, voltage false wiring simulator, current error wiring simulator, the three-phase current of voltage false wiring simulator, the input end of voltage respectively with the three-phase virtual current of the charged source apparatus of peripheral hardware virtual negative, the output terminal of virtual voltage connects, current error wiring simulator, the three-phase current of voltage false wiring simulator, the output terminal of voltage respectively with the electric current of peripheral hardware electric power meter, the input end of voltage connects.
The device for simulating false wiring of electric energy metering equipment that provides by the utility model, in use because current error wiring simulator, the input end of voltage false wiring simulator respectively with the virtual current of the virtual load power device that is used for electric power meter of peripheral hardware, the virtual voltage output terminal connects, current error wiring simulator, voltage false wiring simulator output terminal is connected with the input end of electric power meter respectively, adopt electric current, voltage is simulated false wiring respectively, and then respectively to the electric current of the electric power meter of peripheral hardware, voltage input end connects, by change current error wiring simulator, the mode of connection in the voltage false wiring simulator is simulated the correct wiring in the actual motion, false wiring (electric current and voltage phase shortage, the phase failure, polarity is anti-, just with negative-phase sequence and combination wiring), fault artificially is set, allow charged mistake and the trouble spot of searching of student, see the electric current under the various modes of connection intuitively, magnitude of voltage and vector plot, so that the correct understanding principle of work improves the ability that the student looks into stealing fast.The respective switch that only need stir electric current, voltage false wiring simulator when false wiring is set can set out: the single false wiring of electric current, voltage or composition error wiring, the utility model is simple in structure, reliable operation, easy to operate, efficient is high, can finish the reconfiguration of various false wiring modes fast, can carry out the training of following associative skills aspect to the student:
1, detects measuring apparatus with the watt-second method;
2, various correct, false wiring phenomenons of high pressure measurement device and consequence;
3, various correct, false wiring phenomenons of low-temperature measurement device and consequence;
4, by the measurement electric current, voltage, the wiring of phase shift inspection measuring apparatus has no abnormal;
5, the use (multimeter, phase meter, secondary circuit tester etc.) of study measuring apparatus detecting instrument commonly used;
6, the field-checking electric energy meter and the wiring that rights a wrong.
Description of drawings
The utility model has following accompanying drawing:
Fig. 1 is an electric theory diagram of the present utility model;
Fig. 2 is the circuit theory diagrams of current error wiring simulator;
Fig. 3 is the circuit theory diagrams of voltage false wiring simulator.
Embodiment
Embodiment of the present utility model is described with reference to the accompanying drawings.As shown in Figure 1, a kind of device for simulating false wiring of electric energy metering equipment, include current error wiring simulator 12, voltage false wiring simulator 13, the three-phase current of current error wiring simulator 12, voltage false wiring simulator 13, the input end of voltage are connected with the three-phase virtual current of the charged source apparatus 11 of peripheral hardware virtual negative, the output terminal of virtual voltage respectively, and the three-phase current of current error wiring simulator 12, voltage false wiring simulator 13, the output terminal of voltage are connected with the electric current of peripheral hardware electric power meter 14, the input end of voltage respectively.
In the embodiment shown in the figures, as shown in Figure 2, aforesaid current error wiring simulator 12 is made up of one two cutter two-position switch K1, three cutter three-position switch K2, three two cutter three-position switch K11, K12, K13 and three current transformer TA1, TA2, TA3; Decide contact 3 and be connected for one among the aforementioned two cutter two-position switch K1 among the moving contact of a cutter and the aforementioned three cutter three-position switch K2, decide contact 1 for two among the moving contact of another cutter and the aforementioned three cutter three-position switch K2,5 connect altogether, two cuttves decide contact 1,2 mutual respectively intersections connect altogether, among their common contact and the three cutter three-position switch K2 in addition two decide contact 2,4 common contact respectively with the three-phase virtual current output terminal IU1 of the charged source apparatus 11 of peripheral hardware virtual negative, IW1, IV1 connects, three moving contacts of aforementioned three cutter three-position switch K2 respectively with three current transformer TA1, TA2, the primary side current leading-in end P1 of TA3 connects, three current transformer TA1, TA2, the primary side current exit P2 of TA3 respectively with the three-phase virtual current output terminal IU2 of the charged source apparatus 11 of peripheral hardware virtual negative, IV2, IW2 connects; The mutual respectively intersection of contact 1,2 of deciding of two cuttves connects altogether in each switch of aforementioned three two cutter three-position switch K11, K12, K13, the end that connects altogether of its each switch is connected with secondary side current output terminal S1, the S2 of corresponding current transformer respectively, the centre of each switch is decided contact 0 sky and is connect, and three two cutter three-position switch K11, six moving contact Iu1, the Iu2 of K12, K13, Iv1, Iv2, Iw1, Iw2 are connected with the three-phase current input end of external electric power meter 14 respectively.Two cutter two-position switch K1 are electric current along the backward switch, stir the positive and negative phase sequence that they can switching current, and the electric current phase sequence is changed between uvw or wvu.Three cutter three-position switch K2 are the phase sequence switch, can distinguish the phase sequence of switching current under positive and negative phase sequence state again, promptly also can realize between uvw, vwu, the wuv when positive phase sequence or the conversion of electric current phase sequence between wvu, vuw, the uwv when negative-phase sequence.Three two cutter three-position switch K11, K12, K13 are the current polarity switch, stir the positive and negative polarity or the phase failure that they can switching current arbitrarily.By stirring aforesaid each switch respectively, can make things convenient for, realize simply, fast to electric current phase shortage, polarity instead, just with the conversion of negative-phase sequence and combination wiring thereof.
In the embodiment shown in fig. 3, aforesaid voltage false wiring simulator 13 is made up of three hilted broadsword three-position switch K4-1, K4-2, K4-3, two interlock switch K5-1 of two cuttves and K5-2, K5-3 and K5-4, three cutter three-position switch K6-1, K6-2, K6-3, four single-pole switch K7, K8, K9, K10 and 1: 1 voltage transformer (VT) B1; The moving contact of aforementioned three hilted broadsword three-position switch K4-1, K4-2, K4-3 is corresponding respectively to be connected with three-phase virtual voltage output terminal U1, U2, the U3 of the charged source apparatus 11 of peripheral hardware virtual negative, one of each hilted broadsword three-position switch decide contact 1 respectively with each corresponding connection of voltage transformer (VT) B1 primary side, another decides each corresponding with voltage transformer (VT) B1 secondary side respectively corresponding connection of contact 2, decides contact 0 sky for the 3rd and connects; The contact of deciding of two interlock switchs of aforementioned two cuttves intersects mutually respectively and connects altogether, their common contact respectively with two hilted broadsword three-position switch K4-3, decide contact 2 ends and connect for one of K4-1, one tool setting K5-1 of two interlock switchs of two cuttves is in parallel with the moving contact of K5-4 with another tool setting K5-3 of two interlock switchs of two cuttves respectively with the moving contact of K5-2, its parallel connected end respectively with aforementioned three cutter three-position switches in first, the 4th decides contact 1,4 and the 3rd decide contact 3 is connected, voltage transformer (VT) B1 secondary side middle-end also with aforementioned three cutter three-position switches in second, the 5th decides contact 2,5 connect altogether; Three moving contacts among aforementioned three cutter three-position switch K6-1, K6-2, the K6-3 are connected with the end of three single-pole switch K7, K8, K9 respectively, the end of the 4th single-pole switch K10 is connected with the middle line output terminal U0 of the charged source apparatus 11 of peripheral hardware virtual negative, other end u1, the u2 of aforementioned four single-pole switch K7, K8, K9, K10, u3, u0 respectively with the corresponding connection of three-phase voltage input end of external electric power meter 14.Each phase input voltage conversion that three hilted broadsword three-position switch K4-1, K4-2, K4-3 are the high and low pressure electric power meter with simulate each high pressure switch that once breaks mutually, each phase input voltage of high-voltage electric-energy meter is introduced from the contact 1 of deciding of each switch, each phase input voltage of low voltage electric energy measure device is introduced from the contact 2 of deciding of each switch, because the 3rd moving contact 0 sky connects, and can simulate each phase high pressure and once break.Two interlock switch K5-1 of two cuttves and K5-2, K5-3 and K5-4 are voltage inversion preface switch, stir the positive and negative phase sequence that they can changing voltage, and voltage phase sequence is changed between uvw or wvu.Three cutter three-position switch K6-1, K6-2, K6-3 are the voltage phase sequence switch, can under positive and negative phase sequence state, distinguish the phase sequence of changing voltage again, promptly when positive phase sequence, also can realize between uvw, vwu, the wuv or the conversion of voltage phase sequence between wvu, vuw, the uwv when negative-phase sequence.Four single-pole switch K7, K8, K9, K10 are Phase failure switch, and the various faults of phase shortage or scarce center line can artificially be set.By stirring aforesaid each switch respectively, can make things convenient for, realize simply, fast phase shortage, the phase failure, phase sequence and negative-phase sequence to voltage and the conversion of combination wiring thereof.
Claims (3)
1, a kind of device for simulating false wiring of electric energy metering equipment, it is characterized in that including current error wiring simulator (12), voltage false wiring simulator (13), current error wiring simulator (12), the three-phase current of voltage false wiring simulator (13), the input end of voltage respectively with the three-phase virtual current of the charged source apparatus of peripheral hardware virtual negative (11), the output terminal of virtual voltage connects, current error wiring simulator (12), the three-phase current of voltage false wiring simulator (13), the output terminal of voltage respectively with the electric current of peripheral hardware electric power meter (14), the input end of voltage connects.
2,, it is characterized in that aforesaid current error wiring simulator (12) is made up of one two cutter two-position switch (K1), three cutter three-position switches (K2), three two cutter three-position switches (K11, K12, K13) and three current transformers (TA1, TA2, TA3) by the described device for simulating false wiring of electric energy metering equipment of claim 1; Decide contact (3) and be connected for one in the aforementioned two cutter two-position switchs (K1) in the moving contact of a cutter and the aforementioned three cutter three-position switches (K2), decide contact (1 for two in the moving contact of another cutter and the aforementioned three cutter three-position switches (K2), 5) connect altogether, two cuttves decide contact (1,2) mutual respectively intersection connects altogether, in their common contact and the three cutter three-position switches (K2) in addition two decide contact (2,4) common contact respectively with the three-phase virtual current output terminal (IU1 of the charged source apparatus of peripheral hardware virtual negative (11), IW1, IV1) connect, three moving contacts of aforementioned three cutter three-position switches (K2) respectively with three current transformer (TA1, TA2, TA3) primary side current leading-in end (P1) connects, three current transformer (TA1, TA2, TA3) primary side current exit (P2) respectively with the three-phase virtual current output terminal (IU2 of the charged source apparatus of peripheral hardware virtual negative (11), IV2, IW2) connect; The mutual respectively intersection of contact (1,2) of deciding of two cuttves connects altogether in each switch of aforementioned three two cutter three-position switches (K11, K12, K13), the end that connects altogether of its each switch is connected with the secondary side current output terminal (S1, S2) of corresponding current transformer respectively, the centre of each switch is decided contact (0) sky and is connect, and six moving contacts (Iu1, Iu2, Iv1, Iv2, Iw1, Iw2) of three two cutter three-position switches (K11, K12, K13) are connected with the three-phase current input end of external electric power meter (14) respectively.
3,, it is characterized in that aforesaid voltage false wiring simulator (13) is made up of three hilted broadsword three-position switches (K4-1, K4-2, K4-3), two interlock switchs of two cuttves (K5-1 and K5-2, K5-3 and K5-4), three cutter three-position switches (K6-1, K6-2, K6-3), four single-pole switches (K7, K8, K9, K10) and 1: 1 voltage transformer (VT) (B1) by the described device for simulating false wiring of electric energy metering equipment of claim 1; The moving contact of aforementioned three hilted broadsword three-position switches (K4-1, K4-2, K4-3) is corresponding respectively to be connected with the three-phase virtual voltage output terminal (U1, U2, U3) of the charged source apparatus of peripheral hardware virtual negative (11), one of each hilted broadsword three-position switch decide contact (1) respectively with each corresponding connection of voltage transformer (VT) (B1) primary side, another decides each corresponding with voltage transformer (VT) (B1) secondary side respectively corresponding connection of contact (2), decides contact (0) sky for the 3rd and connects; The contact of deciding of two interlock switchs of aforementioned two cuttves intersects mutually respectively and connects altogether, their common contact respectively with two hilted broadsword three-position switch (K4-3, K4-1) decide contact (2) end and connect for one, the moving contact of one tool setting (K5-1 and K5-2) of two interlock switchs of two cuttves is in parallel with the moving contact of another tool settings (K5-3 and K5-4) of two interlock switchs of two cuttves respectively, its parallel connected end respectively with aforementioned three cutter three-position switches in first, the 4th decides contact (1,4) decide contact (3) and be connected with the 3rd, voltage transformer (VT) (B1) secondary side middle-end also with aforementioned three cutter three-position switches in second, the 5th decides contact (2,5) connect altogether; Three moving contacts in the aforementioned three cutter three-position switches (K6-1, K6-2, K6-3) are connected with an end of three single-pole switches (K7, K8, K9) respectively, one end of the 4th single-pole switch (K10) is connected with the middle line output terminal (U0) of the charged source apparatus of peripheral hardware virtual negative (11), the other end (u1, u2, u3, u0) of aforementioned four single-pole switches (K7, K8, K9, K10) respectively with the corresponding connection of three-phase voltage input end of external electric power meter (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201887319U CN201153017Y (en) | 2007-12-29 | 2007-12-29 | False wiring simulating device for electric power metering apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201887319U CN201153017Y (en) | 2007-12-29 | 2007-12-29 | False wiring simulating device for electric power metering apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN201153017Y true CN201153017Y (en) | 2008-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201887319U Expired - Lifetime CN201153017Y (en) | 2007-12-29 | 2007-12-29 | False wiring simulating device for electric power metering apparatus |
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| CN (1) | CN201153017Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102129061A (en) * | 2010-12-22 | 2011-07-20 | 北方工业大学 | Automatic wiring detection device and method for three-phase simulation electric energy meter |
| CN109669099A (en) * | 2018-12-26 | 2019-04-23 | 权斌 | A kind of weak current equipment connection status acquisition device and acquisition method |
-
2007
- 2007-12-29 CN CNU2007201887319U patent/CN201153017Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102129061A (en) * | 2010-12-22 | 2011-07-20 | 北方工业大学 | Automatic wiring detection device and method for three-phase simulation electric energy meter |
| CN109669099A (en) * | 2018-12-26 | 2019-04-23 | 权斌 | A kind of weak current equipment connection status acquisition device and acquisition method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA Effective date: 20121214 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121214 Address after: Jiulongpo Huangjueping Chongqing 400053 Patentee after: Chongqing Power Education & Training Center Patentee after: State Grid Corporation of China Address before: Jiulongpo Huangjueping Chongqing 400053 Patentee before: Chongqing Power Education & Training Center |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081119 |