CN201749136U - In-situ quick checking, analyzing and judging device with electricity stealing prevention - Google Patents
In-situ quick checking, analyzing and judging device with electricity stealing prevention Download PDFInfo
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- CN201749136U CN201749136U CN2010202202359U CN201020220235U CN201749136U CN 201749136 U CN201749136 U CN 201749136U CN 2010202202359 U CN2010202202359 U CN 2010202202359U CN 201020220235 U CN201020220235 U CN 201020220235U CN 201749136 U CN201749136 U CN 201749136U
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Abstract
The utility model relates to an in-situ quick checking, analyzing and judging device with electricity stealing prevention, which comprises an external terminal unit and a processing unit which are sequentially connected, wherein the processing unit is connected with a power supply unit and a display setting unit which are mutually associated. The in-situ quick checking, analyzing and judging device with electricity stealing prevention also comprises a load source unit, wherein the load source unit is connected with the external terminal unit and provides voltage and current for an electric energy meter to be measured. Therefore, the utility model provides an in-situ quick checking, analyzing and judging device with electricity stealing prevention, which is convenient to use, can check an electric energy meter with zero load, can also check the error of an electric energy meter with loads and checks false wiring quickly.
Description
Technical field
The utility model relates to a kind of device against charge evasion, particularly a kind of scene quick check analysis and judgement device of opposing electricity-stealing that is used for.
Background technology
At present at instrument generally all power utility check instrument or the electric energy meter on-site calibrator of opposing electricity-stealing, this quasi-instrument can only not taken out stitches at the scene, do not cut off the power supply electric energy meter in the running is carried out the verification wiring check, think to reach ST-9040A as Henan, the CL312 in Shenzhen section land, the WDX-5A/5C that the new cloud in Baoding reaches all can't be at the scene carries out verification to the zero load electric energy meter of stall.
The problem that exists when using power utility check instrument and electric energy meter field at present:
(1) at present at the instrument of opposing electricity-stealing, most of electric energy meter on-site calibrator that uses, there is not load source, at the scene during the verification ammeter, must not cut off the power supply at ammeter, do not have a power failure, can verification during operating condition, just can't carry out the work to no power load or when loading the electric energy meter stall less at the scene, can only look into again some other day;
(2) certain customers mismatch inspector's work, the cycle of checking meter to power supply enterprise is very familiar, has also known the safety inspector's of power supply enterprise working law well, the deliberately not electricity consumption when checking of checking meter, bring a lot of inconvenience for the work of opposing electricity-stealing, must carry out the many races of surprise check several times.Run into this type of situation, have only look into again some other day, or the scene is torn table open and sent measurement centre's verification back to;
(3) also a useful electric energy performance tester and threephase load case use existing market simultaneously, the ammeter of the on-the-spot no load condition of verification, but it is too many when using because of wiring, tester, load box, three equipment of electric energy meter are connected, cause artificial wiring error easily, and, do not adopted by the staff because carry inconvenience yet;
(4) active power table calibration equipment on the market, volume is bigger, and weight is about more than 13 kilograms, carries inconvenience, and on-the-spot power utility check work is brought a lot of inconvenience, and is like this then consume a large amount of time, man power and material.It is long to have a power failure, cause easily and the user between dispute.
The utility model content
Defective at above-mentioned prior art, but the purpose of this utility model provides a kind of both verification zero loads easy to use electric energy meter, also but verification has the electric energy meter error of load, and the scene of the quick check error wiring quick check analysis and judgement device of opposing electricity-stealing.
For achieving the above object, the utility model adopts following technical scheme:
A kind of scene quick check analysis and judgement device of opposing electricity-stealing, comprise that the external terminal unit that connects successively is connected inter-related power supply unit and display setting device with processing unit, described processing unit, also comprise the load source unit, described load source unit connects the external terminal unit, and provides voltage and current for electric energy meter to be measured.
The scene of the present utility model quick check analysis and judgement device of opposing electricity-stealing, wherein said load source unit comprise that relay unit, described relay unit connect the control power supply unit and be connected signal indicating member and current feedback circuit unit with protected location, described protected location.
The scene of the present utility model quick check analysis and judgement device of opposing electricity-stealing, wherein said outer termination subelement comprises the voltage channel unit, the first current channel unit and the second current channel unit, described processing unit comprises the traffic pilot unit, described traffic pilot unit connects described voltage channel unit, described first current channel unit and the described second current channel unit, and A/D converting unit, zero passage detection unit and data processing unit, described data processing unit also connects described A/D converting unit, described zero passage detection unit and memory cell, described display setting device comprises display screen and keyboard unit and interface unit, power supply unit comprises Alternating Current Power Supply unit and the DC power supply unit that connects switching power supply, described switching power supply connects described data processing unit and described display screen and keyboard unit, and described display screen and keyboard unit connect described memory cell by described interface unit.
A kind of oppose electricity-stealing instrument of quick check analysis and judgement device of above-mentioned scene that adopts, comprise casing and panel, the voltage terminal mouth corresponding with described voltage channel unit is set on described panel, the first current terminal mouth corresponding with the described first current channel unit, the second current terminal mouth corresponding with the described second current channel unit, with the corresponding signal lamp of described signal indicating member, the fuse corresponding with described relay unit, the underloading corresponding/heavily loaded switch with described current feedback circuit unit and with the corresponding switch of described control power supply unit, display screen corresponding with described display setting device and keyboard also are provided with ammeter pulse signal collection port and the terminal/powered battery switch corresponding with described switching power supply.
The oppose electricity-stealing instrument of quick check analysis and judgement device of scene of the present utility model also is provided with battery recharger port and USB interface on the wherein said panel.
The oppose electricity-stealing instrument of quick check analysis and judgement device of scene of the present utility model, wherein said voltage terminal mouth comprises A phase voltage Wiring port, B phase voltage Wiring port, C phase voltage Wiring port and 0 line voltage terminal mouth, the described second current terminal mouth comprises the 2nd A phase current Wiring port, the 2nd B phase voltage Wiring port and the 2nd C phase voltage Wiring port, described signal lamp comprises A phase signals pilot lamp, B phase signals pilot lamp and C phase signals pilot lamp, and described fuse comprises A phase fuse, B phase fuse and C fuse mutually.
The oppose electricity-stealing instrument of quick check analysis and judgement device of scene of the present utility model, the wherein said first current terminal mouth is two covers, comprises little current terminal mouth and big current terminal mouth.
By the scene of the present utility model quick check analysis and judgement device of opposing electricity-stealing, can provide voltage and power supply for the electric energy meter of zero load by load source unit 1, make it to detect after the running, simultaneously can detect the electric energy meter that has load, to detect electric energy meter body precision, wiring state, the unequal rate of electric current and voltage, the on-the-spot use easily.
Description of drawings
Fig. 1 is the oppose electricity-stealing system principle diagram of quick check analysis and judgement device of the utility model scene;
Fig. 2 is the oppose electricity-stealing instrument panel figure of quick check analysis and judgement device of the utility model scene.
Embodiment
Below in conjunction with accompanying drawing the oppose electricity-stealing embodiment of quick check analysis and judgement device of the utility model scene is elaborated.
Referring to Fig. 1; the utility model scene quick check analysis and judgement device of opposing electricity-stealing; comprise load source unit 1; external terminal unit 2; processing unit 3; power supply unit 4 and display setting device 5; wherein load source unit 1 comprises relay unit 101; relay unit 101 connects control power supply unit 102 and protected location 103; protected location 103 connects signal indicating member 104 and current feedback circuit unit 105; outer termination subelement 2 comprises voltage channel unit 201; the first current channel unit 202 and the second current channel unit 203; processing unit 3 comprises traffic pilot unit 301; traffic pilot unit 301 connects voltage channel unit 201; the first current channel unit 202 and the second current channel unit 203; and A/D converting unit 302; zero passage detection unit 303 and data processing unit 304; data processing unit 304 also connects A/D converting unit 302; zero passage detection unit 303 and memory cell 305; display setting device 5 comprises display screen and keyboard unit 501 and interface unit 502; power supply unit 4 comprises Alternating Current Power Supply unit 402 and the DC power supply unit 403 that connects switching power supply 401; switching power supply 401 connects data processing unit 304 and display screen and keyboard unit 501, and display screen and keyboard unit 501 are by interface unit 502 connected storage unit 305.
Connection box of electric energy meter voltage input end to be measured inserts voltage channel unit 201 and tested electric energy meter voltage input end; the action of the Switching Power Supply pilot relay unit 101 of 24V is provided for relay unit 101; current input terminal inserts the second current channel unit 203 and tested electric energy meter electric current output terminal; at first open control power supply unit 102; signal indicating member 104 lamps are bright; the indication power supply normally can be worked; switch pilot relay unit 101 is provided two kind electric currents for the second current channel unit 203 by tested electric energy meter by current feedback circuit unit 105; 5A or 10A; use for underloading and heavy duty; relay unit 101 carries out overcurrent protection by protected location 103; enter if any the field external load and cause electric current excessive suddenly; then stop power supply in load source unit 1; the quick check analysis and judgement device in order to avoid oppose electricity-stealing in damage electric energy meter and scene of the present utility model; after traffic pilot unit 301 receives the signal that voltage channel unit 201 and the second current channel unit 203 collect; voltage and current is converted to is fit to the utility model scene voltage and current signal that quick check analysis and judgement device is suitable for of opposing electricity-stealing; and the voltage and current signal that collects is sent to A/D converter unit 302 carry out data-switching; and send to data processing unit 304; at first carry out the data initial survey by zero passage detection unit 303; data processing unit 304 is with the voltage that collects; electric current and angle; the standard signal of storage compares and calculates in signal such as pulse and the memory cell 305; whether correct to judge electric energy meter body precision; it is no problem that the electric energy meter field wiring has, and result is sent to memory cell 305 store.Display screen and keyboard unit 501 are used to carry out the result of parameter setting and video data processing unit 304 in the display setting device 5.Wherein to be used for by the alternating current 220V power supply be that the scene of the present utility model quick check analysis and judgement device of opposing electricity-stealing is powered in the Alternating Current Power Supply unit 402 of power supply unit 4, or be the whole unit power supply by DC power supply unit 403 by the scene of the present utility model built-in lithium battery of quick check analysis and judgement device of opposing electricity-stealing.
Referring to Fig. 2, the oppose electricity-stealing instrument of quick check analysis and judgement device of the utility model scene, comprise casing 9 and panel 10, the voltage terminal mouth 21 that panel 10 left part settings and voltage channel unit 201 are corresponding, comprise A phase voltage Wiring port 21a, B phase voltage Wiring port 21b, C phase voltage Wiring port 21c, 0 line voltage terminal mouth 210, the second current terminal mouth 23 corresponding with the second current channel unit 203, comprise the 2nd A phase current Wiring port 23a, the 2nd B phase voltage Wiring port 23b and the 2nd C phase voltage Wiring port 23c, the signal lamp 14 corresponding with signal indicating member 104, comprise A phase signals pilot lamp 14a, B phase signals pilot lamp 14b and C phase signals pilot lamp 14c, the fuse 11 corresponding with relay unit 101, comprise A phase fuse 11a, B phase fuse 11b and C be fuse 11c mutually, and corresponding underloading/heavily loaded switch 15 in setting and current feedback circuit unit 105 and the switch 12 corresponding with control power supply unit 102.
The panel right part of the quick check analysis and judgement of opposing electricity-stealing at scene of the present utility model device is provided with corresponding with the first current channel unit 202 two and overlaps the first current terminal mouth 22, comprise little current terminal mouth 22a and big current terminal mouth 22b, display screen 51 and the keyboard 52 corresponding with display setting device 5.
The panel middle part of the quick check analysis and judgement of opposing electricity-stealing at scene of the present utility model device is provided with ammeter pulse signal collection port 6, battery recharger port 7 and USB interface 8, and the terminal/powered battery switch 41 corresponding with switching power supply 401, wherein battery recharger port 7 is for lithium battery charges, and USB interface 8 is used for the data upload after data processing unit 304 processing to computing machine.
The scene of the present utility model quick check analysis and judgement device of opposing electricity-stealing is divided into two kinds of modes of operation:
1. the situation of electric energy meter zero load:
The voltage wiring and the electric current wiring of electric energy meter are inserted the voltage terminal mouth 21 and the second current terminal mouth 23 respectively; connection box of electric energy meter to be measured; at first open control power supply unit 102; signal indicating member 104 lamps are bright; the indication power supply normally can be worked; provide electric current (5A or 10A) by current feedback circuit unit 105 for the second current channel unit 203 and tested electric energy meter by gauge tap pilot relay unit 101; relay unit 101 carries out overcurrent protection by protected location 103; enter if any the field external load and cause electric current excessive suddenly; then stop power supply in the load source unit; the quick check analysis and judgement device in order to avoid oppose electricity-stealing in damage electric energy meter and scene of the present utility model; after traffic pilot unit 301 receives the signal that voltage channel unit 201 and the second current channel unit 203 collect; voltage and current is converted to is fit to the utility model scene voltage and current signal that quick check analysis and judgement device is suitable for of opposing electricity-stealing; and the voltage and current signal that collects is sent to A/D converter unit 302 carry out data-switching; and send to data processing unit 304; at first carry out the data initial survey by zero passage detection unit 303; data processing unit 304 is with the voltage that collects; electric current and angle; the standard signal of storage compares and calculates in signal such as pulse and the memory cell 305; whether correct to judge electric energy meter body precision; the electric energy meter field wiring has out of question, and result is sent to memory cell 305 stores.
After traffic pilot unit 301 receives the signal that voltage channel unit 201 and the second current channel unit 203 collect, voltage and current is converted to is fit to the utility model scene voltage and current signal that quick check analysis and judgement device is suitable for of opposing electricity-stealing, and the voltage and current signal that exchanges is sent to A/D converter unit 302 carry out the conversion of AC-DC, directly AC signal is sent to data processing unit 304, A/D converter unit 302 sends to data processing unit 304 with the direct current signal after the conversion, if triple-phase line does not connect, 0 line produces electric current, then zero passage detection unit 303 prompting triple-phase lines do not connect, data processing unit 304 is with the voltage that collects, the standard signal of storage is compared in signal such as electric current and angle and the memory cell 305, judge whether correct, think then that correctly electric energy meter is no problem, otherwise corresponding problem appears in electric energy meter, and result shown and stores.
Provide voltage and power supply by load source unit 1 for the electric energy meter of zero load this moment, and the back that makes it to turn round is detected.
2. electric energy meter has the situation of load:
The voltage wiring of electric energy meter is inserted voltage terminal mouth 21, the electric current wiring inserts the first current terminal mouth 22, after traffic pilot unit 301 receives the signal that voltage channel unit 201 and the second current channel unit 203 collect, with the voltage and current conversion of signals for being fit to the utility model scene voltage and current signal that quick check analysis and judgement device is suitable for of opposing electricity-stealing, and voltage and current signal is sent to A/D converter unit 302 carry out data-switching, and send to data processing unit 304, at first carry out zero passage detection, data processing unit 304 is with the voltage that collects, electric current and angle, the standard signal of storage compares and calculates in signal such as pulse and the memory cell 305, whether correct to judge electric energy meter body precision, it is no problem that the electric energy meter field wiring has, and result is sent to memory cell 305 store.
By the scene of the present utility model quick check analysis and judgement device of opposing electricity-stealing, can provide voltage and power supply for the electric energy meter of zero load by load source unit 1, make it to detect after the running, simultaneously can detect the electric energy meter that has load, to detect electric energy meter body precision, wiring state, the unequal rate of electric current and voltage, the on-the-spot use easily.
Above embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that the common engineering technical personnel in this area make the technical solution of the utility model all should fall in the definite protection domain of claims of the present utility model.
Claims (7)
1. scene quick check analysis and judgement device of opposing electricity-stealing, comprise that the external terminal unit (2) that connects successively is connected inter-related power supply unit (4) and display setting device (5) with processing unit (3), described processing unit (3), it is characterized in that, also comprise load source unit (1), described load source unit (1) connects external terminal unit (2), and provides voltage and current for electric energy meter to be measured.
2. the scene according to claim 1 quick check analysis and judgement device of opposing electricity-stealing; it is characterized in that described load source unit (1) comprises that relay unit (101), described relay unit (101) connect control power supply unit (102) and be connected signal indicating member (104) and current feedback circuit unit (105) with protected location (103), described protected location (103).
3. the scene according to claim 2 quick check analysis and judgement device of opposing electricity-stealing, it is characterized in that, described outer termination subelement (2) comprises voltage channel unit (201), the first current channel unit (202) and the second current channel unit (203), described processing unit (3) comprises traffic pilot unit (301), described traffic pilot unit (301) connects described voltage channel unit (201), described first current channel unit (202) and the described second current channel unit (203), and A/D converting unit (302), zero passage detection unit (303) and data processing unit (304), described data processing unit (304) also connects described A/D converting unit (302), described zero passage detection unit (303) and memory cell (305), described display setting device (5) comprises display screen and keyboard unit (501) and interface unit (502), power supply unit (4) comprises Alternating Current Power Supply unit (402) and DC power supply unit (403) that connect switching power supply (401), described switching power supply (401) connects described data processing unit (304) and described display screen and keyboard unit (501), and described display screen and keyboard unit (501) connect described memory cell (305) by described interface unit (502).
4. one kind is adopted the oppose electricity-stealing instrument of quick check analysis and judgement device of each described scene of claim 1-3, comprise casing (9) and panel (10), it is characterized in that, go up the setting voltage terminal mouth (21) corresponding at described panel (10) with described voltage channel unit (201), the first current terminal mouth (22) corresponding with the described first current channel unit (202), the second current terminal mouth (23) corresponding with the described second current channel unit (203), the signal lamp (14) corresponding with described signal indicating member (104), the fuse (11) corresponding with described relay unit (101), the underloading corresponding/heavily loaded switch (15) and the switch (12) corresponding with described control power supply unit (102) with described current feedback circuit unit (105), display screen (51) and the keyboard (52) corresponding with described display setting device (5) also are provided with ammeter pulse signal collection port (6) and the terminal/powered battery switch (41) corresponding with described switching power supply (401).
5. the oppose electricity-stealing instrument of quick check analysis and judgement device of scene according to claim 4 is characterized in that, battery recharger port (7) and USB interface (8) also are set on the described panel (10).
6. the oppose electricity-stealing instrument of quick check analysis and judgement device of scene according to claim 5, it is characterized in that, described voltage terminal mouth (21) comprises A phase voltage Wiring port (21a), B phase voltage Wiring port (21b), C phase voltage Wiring port (21c) and 0 line voltage terminal mouth (210), the described second current terminal mouth (23) comprises the 2nd A phase current Wiring port (23a), the 2nd B phase voltage Wiring port (23b) and the 2nd C phase voltage Wiring port (23c), described signal lamp (14) comprises A phase signals pilot lamp (14a), B phase signals pilot lamp (14b) and C phase signals pilot lamp (14c), described fuse (11) comprises A phase fuse (11a), B phase fuse (11b) and C be fuse (11c) mutually.
7. the oppose electricity-stealing instrument of quick check analysis and judgement device of scene according to claim 6 is characterized in that the described first current terminal mouth (22) is two covers, comprises little current terminal mouth (22a) and big current terminal mouth (22b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202202359U CN201749136U (en) | 2010-06-09 | 2010-06-09 | In-situ quick checking, analyzing and judging device with electricity stealing prevention |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202202359U CN201749136U (en) | 2010-06-09 | 2010-06-09 | In-situ quick checking, analyzing and judging device with electricity stealing prevention |
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| Publication Number | Publication Date |
|---|---|
| CN201749136U true CN201749136U (en) | 2011-02-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202202359U Expired - Lifetime CN201749136U (en) | 2010-06-09 | 2010-06-09 | In-situ quick checking, analyzing and judging device with electricity stealing prevention |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103399185A (en) * | 2013-07-19 | 2013-11-20 | 国家电网公司 | Computer system for preventing electricity stealing based on smart electric meters |
| CN106093693A (en) * | 2016-06-08 | 2016-11-09 | 成都博高信息技术股份有限公司 | The Wiring detection method of a kind of power line and system |
| CN106291031A (en) * | 2016-10-27 | 2017-01-04 | 国网河北省电力公司衡水供电分公司 | Batch looks into stealing system |
| CN106370903A (en) * | 2016-10-27 | 2017-02-01 | 国网河北省电力公司衡水供电分公司 | Batch electric larceny inspection instrument |
| CN106546789A (en) * | 2016-10-27 | 2017-03-29 | 国网河北省电力公司衡水供电分公司 | Batch looks into electricity filching device |
| CN106645934A (en) * | 2016-12-12 | 2017-05-10 | 国网北京市电力公司 | Power utilization behavior electricity theft prevention diagnosis method and device based on dynamic grid outliers |
| CN107831348A (en) * | 2017-09-28 | 2018-03-23 | 俞若昕 | The system and method whether quick detection sneaks current |
-
2010
- 2010-06-09 CN CN2010202202359U patent/CN201749136U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103399185A (en) * | 2013-07-19 | 2013-11-20 | 国家电网公司 | Computer system for preventing electricity stealing based on smart electric meters |
| CN106093693A (en) * | 2016-06-08 | 2016-11-09 | 成都博高信息技术股份有限公司 | The Wiring detection method of a kind of power line and system |
| CN106093693B (en) * | 2016-06-08 | 2019-10-18 | 成都博高信息技术股份有限公司 | A kind of Wiring detection method and system of power line |
| CN106291031A (en) * | 2016-10-27 | 2017-01-04 | 国网河北省电力公司衡水供电分公司 | Batch looks into stealing system |
| CN106370903A (en) * | 2016-10-27 | 2017-02-01 | 国网河北省电力公司衡水供电分公司 | Batch electric larceny inspection instrument |
| CN106546789A (en) * | 2016-10-27 | 2017-03-29 | 国网河北省电力公司衡水供电分公司 | Batch looks into electricity filching device |
| CN106645934A (en) * | 2016-12-12 | 2017-05-10 | 国网北京市电力公司 | Power utilization behavior electricity theft prevention diagnosis method and device based on dynamic grid outliers |
| CN107831348A (en) * | 2017-09-28 | 2018-03-23 | 俞若昕 | The system and method whether quick detection sneaks current |
| CN107831348B (en) * | 2017-09-28 | 2020-08-07 | 国网甘肃省电力公司 | System and method for rapidly detecting whether power is stolen |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110216 |
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| CX01 | Expiry of patent term |