CN201681532U - Demonstration interface circuit matched and arranged in anti-electricity stealing training device - Google Patents
Demonstration interface circuit matched and arranged in anti-electricity stealing training device Download PDFInfo
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- CN201681532U CN201681532U CN2009202551200U CN200920255120U CN201681532U CN 201681532 U CN201681532 U CN 201681532U CN 2009202551200 U CN2009202551200 U CN 2009202551200U CN 200920255120 U CN200920255120 U CN 200920255120U CN 201681532 U CN201681532 U CN 201681532U
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Abstract
The utility model discloses a demonstration interface circuit matched and arranged in an anti-electricity stealing training device which solves the technical problem of conveniently and flexibly changing the parameters of an electricity stealing loop. The technical scheme adopted is as follows: an electricity stealing module is connected with the input terminal of an electric energy meter through an interface to form a secondary abnormal loop; the structure of the secondary abnormal loop includes a shunting impedance module, a current resisting module, a small-capacitance module and a large-capacitance module; the input ends and the output ends of the shunting impedance module, the current resisting module, the small-capacitance module and the large-capacitance module are respectively and independently connected with a terminal on a multi-gear NC switch. The demonstration interface circuit matched and arranged in the anti-electricity stealing training device has the beneficial effects as follows: during an analog electricity stealing state, replaceable inserting elements are adopted as various resistances, inductances or capacitance components switched in the input end of an electric energy meter device to instead of non-traditional fixed welding; when electricity stealing is investigated, the measuring data of various electricity stealing loop parameters is changed by the multi-gear NC switch, which is more flexible and changeable, and is truly close to actual electricity stealing phenomenon.
Description
Technical field
The utility model relates to the management of a kind of power supply-distribution system and the technician carries out skills training and technical appraisement experimental provision or teaching, training device, the expansion of particularly can pegging graft, with oppose electricity-stealing the supporting interface circuit of training set.
Background technology
Along with the increase of expanding economy and power consumption, the stealing problem becomes more and more outstanding, and country has suffered enormous economic loss for this reason, and the stealing problem not only perplexs the development of electric power enterprise, has also had a strong impact on the stable of national economic construction and society.
Show that according to numerous stealing cases stealing is many starts with from measuring apparatus, because tool disguise in the batch meter is difficult for being found, so must accomplish meticulous as the personnel of opposing electricity-stealing.
From the basic measuring principle of electric energy meter and electric power (P=UIcos Φ) as can be known, can electric energy meter correctly measure is correctness decision by voltage, electric current, power factor three elements and the product of time, installation and wiring, therefore, break wherein that any one condition can make electric energy meter slow-speed, stall even counter-rotating, thereby reach the purpose of stealing.In addition, by changing the structural behaviour of ammeter itself, can make also that the electric energy meter rotating speed is slack-off, stall even counter-rotating.
From the various stealing cases of discovered in recent years and processing, not only the gimmick of stealing is more and more deceitful, and the number of stealing is increasing; And some electricity filching person also bores the law gap specially, escapes due punishment by every means.The stealing molecule is more and more cunning, and the stealing mode more becomes hidden, " advanced person ".By contrast, general electricity-management personnel accepts the limitation of opinion knowledge and practical experience, is difficult to penetrate technical electricity filching behavior, causes the stealing molecule more unbridled, and activity is very rampant.Therefore set up the high-quality specialty troop that opposes electricity-stealing, the self-protection ability that strengthens enterprise is the important means of controlling stealing electricity phenomenon.
At present, also there are tens of families in the manufacturing enterprise of experiment of domestic existing electrical teaching and training equipment, device.But the many electricians with each colleges and universities of the training set of its Development and Production, electronics and electrical control experiment chamber are target, and adopt existing metering outfit at the electric power meter in the training set of the class of opposing electricity-stealing of the needs of electric system, can not change the parameter of stealing easily and flexibly.
Summary of the invention
The utility model will solve provides the technical matters that can change the stealing loop parameter easily and flexibly, designed a kind of demonstration interface circuit of supporting setting in the training set of opposing electricity-stealing, change the parameter in stealing loop by expansion interface circuit and many gears numerical control switch, and then in teaching, the student is carried out the simulated experiment training.
The utility model realizes that the technical scheme that goal of the invention adopts is; a kind of demonstration interface circuit of supporting setting in the training set of opposing electricity-stealing; the stealing module is connected to form the secondary abnormal loop by the input terminal of interface and electric energy meter; comprise shunting impedance module, choked flow module, little capacitance module and big capacitance module in the structure in above-mentioned secondary abnormal loop, the input end of described shunting impedance module, choked flow module, little capacitance module and big capacitance module is connected with output terminal difference terminal independent and on many gears numerical control switch.
Also be provided with the communication module that is connected with computing machine in described many gears numerical control switch, the computing machine signal gear numerical control switch at the most of giving an order is by contact adhesive gating, form corresponding stealing pattern.
Described shunting impedance module is the shunt resistance of ohm level resistance.
The beneficial effects of the utility model are: the various resistance, inductance or the capacitance component that insert at the input end of electric energy meter device during simulation stealing state adopt interchangeable plug connector elements, and non-traditional fixedly welding, make when looking into stealing, change various stealing loop parameter measurement data by many gears numerical control switch, more flexible and changeable, press close to real stealing electricity phenomenon truly.
Below in conjunction with accompanying drawing the utility model is elaborated.
Description of drawings
Fig. 1 is a schematic block circuit diagram of the present utility model.
In the accompanying drawing, the 1st, shunting impedance module, the 2nd, choked flow module, the 3rd, little capacitance module; the 4th, big capacitance module, the 5th, computing machine, A are electric energy meters; B is the secondary abnormal loop, and K is many gears numerical control switch, and 1-1,1-2,2-1,2-2,3-1,3-2,4-1,4-2, K-1, K-2 are the contacts.
Embodiment
Referring to Fig. 1; a kind of demonstration interface circuit of supporting setting in the training set of opposing electricity-stealing; the stealing module is connected to form the secondary abnormal loop by the input terminal of interface and electric energy meter A; comprise shunting impedance module 1, choked flow module 2, little capacitance module 3 and big capacitance module 4 in the structure of above-mentioned secondary abnormal loop B, the input end of described shunting impedance module 1, choked flow module 2, little capacitance module 3 and big capacitance module 4 is connected with output terminal difference terminal independent and on many gears numerical control switch.The utility model can insert above a certain module among the secondary abnormal loop B of electric energy meter by many gears of manual adjustments numerical control K switch, thereby carry out the electricity-stealing simulating process of related circuit, 1), disconnected (branchs) flow stealing by the different permutation and combination of above circuit module, can realize nearly 6 kinds of stealing modes:; 2), lose (owing) and press stealing; 3), phase shift stealing; 4), utilize electric energy meter that defective stealing in the wiring is installed; 5), change the current coil of short circuit measuring apparatus, also be referred to as the stealing of undercurrent method; 6), off voltage connection sheet or the divider resistance of on potential winding, connecting, also be referred to as under-voltage method stealing.By the simulation training of these 6 kinds of modes, the dirigibility of student's simulated experiment is increased greatly.
The utility model can also further improve, the student can control the change of carrying out the stealing mode by computing machine 5, also be provided with the communication module that is connected with computing machine 5 in above-mentioned many gears numerical control K switch, the computing machine 5 signal gear numerical control K switch at the most of giving an order is by contact adhesive gating, form corresponding stealing pattern.
Above-mentioned shunting impedance module 1 is the shunt resistance of ohm level resistance.
The utility model is in the specific implementation: power frequency three-phase four-wire system power supply enters into interface circuit after isolating through isolating transformer; the unusual interface of electric energy meter A was reequiped; the unusual interface of electric energy meter A connects secondary abnormal of the present utility model loop B; wherein the interface circuit of the unusual interface of electric energy meter A and secondary abnormal loop B all adopts many gears numerical control K switch; referring to Fig. 1; many gears numerical control K switch adopts linked switch; realize among the figure that part is contact K-1; K-2 is connecting terminal 1-1 simultaneously; 1-2; representative inserts electric energy meter with small resistor and shunts stealing; the all right connecting terminal 2-1 of contact K-1; 3-1; 4-1; contact K-2 and the contact K-1 contact 2-2 that is connected simultaneously; 3-2; 4-2; respectively with big resistance; little electric capacity; big electric capacity connects into electric energy meter; all adopt computing machine 5 orders to carry out the contact gating with upper contact; can change the access infrastructure of circuit by resistance and the multiple combination connecting mode of electric capacity, output to electric energy meter A device and carry out electric energy metrical.
Claims (3)
1. the demonstration interface circuit of a supporting setting in the training set of opposing electricity-stealing; the stealing module is connected to form secondary abnormal loop (B) by the input terminal of interface and electric energy meter (A); it is characterized in that: comprise shunting impedance module (1) in the structure in described secondary abnormal loop (B); choked flow module (2); little capacitance module (3); and big capacitance module (4), described shunting impedance module (1); choked flow module (2); the input end of little capacitance module (3) and big capacitance module (4) is connected with output terminal difference terminal independent and on many gears numerical control switch (K).
2. the demonstration interface circuit of a kind of supporting setting in the training set of opposing electricity-stealing according to claim 1, it is characterized in that: also be provided with the communication module that is connected with computing machine (5) in described many gears numerical control switch (K), computing machine (5) the signal gear numerical control switch (K) at the most of giving an order is by contact adhesive gating, form corresponding stealing pattern.
3. the demonstration interface circuit of a kind of supporting setting in the training set of opposing electricity-stealing according to claim 1 is characterized in that: described shunting impedance module (1) is the shunt resistance of ohm level resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202551200U CN201681532U (en) | 2009-12-17 | 2009-12-17 | Demonstration interface circuit matched and arranged in anti-electricity stealing training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202551200U CN201681532U (en) | 2009-12-17 | 2009-12-17 | Demonstration interface circuit matched and arranged in anti-electricity stealing training device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201681532U true CN201681532U (en) | 2010-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202551200U Expired - Fee Related CN201681532U (en) | 2009-12-17 | 2009-12-17 | Demonstration interface circuit matched and arranged in anti-electricity stealing training device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201681532U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240568A (en) * | 2014-09-09 | 2014-12-24 | 国家电网公司 | Power-theft-prevention training device |
| CN104977447A (en) * | 2015-01-29 | 2015-10-14 | 深圳供电局有限公司 | Electricity stealing analog simulation device and method |
| CN112542076A (en) * | 2020-12-04 | 2021-03-23 | 广东电网有限责任公司江门供电局 | Anti-electricity-stealing skill training device |
| CN114999288A (en) * | 2022-06-13 | 2022-09-02 | 国网黑龙江省电力有限公司哈尔滨供电公司 | Anti-electricity-stealing teaching device and inspection method thereof |
-
2009
- 2009-12-17 CN CN2009202551200U patent/CN201681532U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240568A (en) * | 2014-09-09 | 2014-12-24 | 国家电网公司 | Power-theft-prevention training device |
| CN104977447A (en) * | 2015-01-29 | 2015-10-14 | 深圳供电局有限公司 | Electricity stealing analog simulation device and method |
| CN112542076A (en) * | 2020-12-04 | 2021-03-23 | 广东电网有限责任公司江门供电局 | Anti-electricity-stealing skill training device |
| CN114999288A (en) * | 2022-06-13 | 2022-09-02 | 国网黑龙江省电力有限公司哈尔滨供电公司 | Anti-electricity-stealing teaching device and inspection method thereof |
| CN114999288B (en) * | 2022-06-13 | 2024-03-08 | 国网黑龙江省电力有限公司哈尔滨供电公司 | Anti-electricity-theft teaching device and checking method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20101222 Termination date: 20161217 |