CN2347182Y - Watt-hour meter wiring tester - Google Patents
Watt-hour meter wiring tester Download PDFInfo
- Publication number
- CN2347182Y CN2347182Y CN 98222886 CN98222886U CN2347182Y CN 2347182 Y CN2347182 Y CN 2347182Y CN 98222886 CN98222886 CN 98222886 CN 98222886 U CN98222886 U CN 98222886U CN 2347182 Y CN2347182 Y CN 2347182Y
- Authority
- CN
- China
- Prior art keywords
- watt
- hour meter
- series loop
- wiring
- resistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a watt-hour meter wiring tester used for testing whether the outer wiring of the watt-hour meter is correct. The utility model comprises two wiring terminals. A series loop is arranged between the two wiring terminals. The series loop is composed of a power switch, a fuse wire, an ammeter, and a resistor. A voltage meter is connected in parallel between both ends of the resistor and the ammeter. A series loop connected in parallel on both ends of the resistor can also be composed of a gear switch and a gear resistor. The utility model can entirely and accurately detect whether the outer wiring of the watt-hour meter is correct. The utility model has the advantage of portability.
Description
Whether correct the utility model relate to external connection the device of checking watt-hour meter.
Watt-hour meter is what a measuring apparatus of metering user electricity consumption, and it is connected between supply line and user's the usefulness electric line, has only wiring correct, just can reach the purpose of metering user power consumption.Usually whether correct methods of check watt-hour meter wiring, except with the visual examination, also by means of Electric stove, when adopting the latter, can only check that the watt-hour meter external connection is logical and obstructed, whether the wiring that can not check out the potential winding in the connection watt-hour meter mixed phase, this is one of deficiency, two of its deficiency is dangerous, is not easy to carry, and is not easy to the big watt-hour meter of inspection user power consumption.
Whether correct the purpose of this utility model provide a kind of external connection watt-hour meter wiring verifier that is exclusively used in the check watt-hour meter.
This watt-hour meter wiring verifier comprises that two connect the connection terminal that exchanges 220 volts of power supplys, between these two connection terminals, be connected to a series connection loop, be in series with power switch, fuse, reometer and resistance in this series loop, between the two ends of reometer and resistance, be parallel with voltage table.
For range extension, satisfied check needs to the different user watt-hour meter, above-mentioned watt-hour meter-wiring verifier also is parallel with series loop at the two ends of resistance, is serially connected with the branch position switch in the series loop and divides blocked resistance.Use for convenient, be parallel with pilot lamp at the two ends of voltage table.
During use, two connection terminals of watt-hour meter wiring verifier are connected with two power leads of the outlet side of watt-hour meter, connect the power switch of this verifier, this verifier is exactly one to use electric loading, has electric current to pass through, this electric current makes current coil and the potential winding in the watt-hour meter produce magnetic field, under the effect in magnetic field, the dial rotation of watt-hour meter is if rotating disk is to clockwise rotate, illustrate that the external connection of watt-hour meter is correct, if rotating disk is to rotate counterclockwise, the external connection mistake of watt-hour meter is described.When check during three phase watt-hour meter, test mutually to each respectively, if the rotating speed of rotating disk, three-phase is inconsistent, promptly have fast mutually, have mutually slow, the three-phase voltage winding wiring mixed phase of watt-hour meter is described.From the above mentioned, use watt-hour meter wiring verifier, can check out the external connection of watt-hour meter whether correct safety and precise.Owing to be parallel with series loop at the two ends of resistance, thus applied widely, to the big user's of power consumption watt-hour meter, divide a position switch as long as connect again, also can test.Because circuit structure is simple, can cause portable, easy to carry fully.
Accompanying drawing shows the circuit theory diagrams of watt-hour meter wiring verifier embodiment.
In the present embodiment, watt-hour meter wiring verifier comprises that two meet connection terminal M, the N that exchange 220 volts power supplys, connects and is in series with power switch K in loop, this series loop being connected to one between these two connection terminal M, N
1, fuse R
0, reometer A and resistance R
1, in reometer A and resistance R
1Two ends between be parallel with voltage table V and pilot lamp L respectively, in resistance R
1Two ends be parallel with series loop, series loop has two, is serially connected with branch position switch K in one of them series loop
2With a minute blocked resistance R
2, be serially connected with branch position switch K in another series loop
3With a minute blocked resistance R
3
Claims (4)
1, a kind of watt-hour meter wiring verifier is characterized in that comprising two and connects the connection terminal (M, N) that exchanges 220 volts of power supplys, is connected to a series connection loop between these two connection terminals (M, N), is in series with power switch (K in this series loop
1), fuse (R
0), reometer (A) and resistance (R
1), at reometer (A) and resistance (R
1) two ends between be parallel with voltage table (V).
2, watt-hour meter wiring verifier according to claim 1 is characterized in that at resistance (R
1) two ends be parallel with series loop, be serially connected with the branch position switch in the series loop and divide blocked resistance.
3, watt-hour meter wiring verifier according to claim 2 is characterized in that series loop has two, is serially connected with branch position switch (K in one of them series loop
2) and divide blocked resistance (R
2), be serially connected with branch position switch (K in another series loop
3) and divide blocked resistance (R
3).
4, watt-hour meter wiring verifier according to claim 1 is characterized in that being parallel with pilot lamp (L) at the two ends of voltage table (V).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98222886 CN2347182Y (en) | 1998-11-06 | 1998-11-06 | Watt-hour meter wiring tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98222886 CN2347182Y (en) | 1998-11-06 | 1998-11-06 | Watt-hour meter wiring tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2347182Y true CN2347182Y (en) | 1999-11-03 |
Family
ID=33974113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98222886 Expired - Fee Related CN2347182Y (en) | 1998-11-06 | 1998-11-06 | Watt-hour meter wiring tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2347182Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102508097A (en) * | 2011-10-31 | 2012-06-20 | 三一重工股份有限公司 | Segmented detection device and detection method of line fault |
| CN102680937A (en) * | 2012-05-28 | 2012-09-19 | 新安县电业公司 | Temporary loader for site verification of electric energy metering device |
| CN103941218A (en) * | 2014-05-20 | 2014-07-23 | 莱芜鲁能开源集团电器有限公司 | On-site general load tester for newly-mounted electric energy meter |
| CN105698342A (en) * | 2016-03-31 | 2016-06-22 | 广东美的制冷设备有限公司 | Fault judgment circuit and method of four-way valve of air-conditioner and air-conditioner |
| CN109038499A (en) * | 2018-09-05 | 2018-12-18 | 广西玉柴机器股份有限公司 | Monophase machine performance test protective device |
-
1998
- 1998-11-06 CN CN 98222886 patent/CN2347182Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102508097A (en) * | 2011-10-31 | 2012-06-20 | 三一重工股份有限公司 | Segmented detection device and detection method of line fault |
| CN102680937A (en) * | 2012-05-28 | 2012-09-19 | 新安县电业公司 | Temporary loader for site verification of electric energy metering device |
| CN103941218A (en) * | 2014-05-20 | 2014-07-23 | 莱芜鲁能开源集团电器有限公司 | On-site general load tester for newly-mounted electric energy meter |
| CN103941218B (en) * | 2014-05-20 | 2016-08-24 | 莱芜鲁能开源集团电器有限公司 | New clothes electric energy meter scene Universal load tester |
| CN105698342A (en) * | 2016-03-31 | 2016-06-22 | 广东美的制冷设备有限公司 | Fault judgment circuit and method of four-way valve of air-conditioner and air-conditioner |
| CN105698342B (en) * | 2016-03-31 | 2018-07-10 | 广东美的制冷设备有限公司 | Failure determinating circuit, method and the air conditioner of air conditioner four-way valve |
| CN109038499A (en) * | 2018-09-05 | 2018-12-18 | 广西玉柴机器股份有限公司 | Monophase machine performance test protective device |
| CN109038499B (en) * | 2018-09-05 | 2023-11-14 | 广西玉柴机器股份有限公司 | Single-phase motor performance test protection device |
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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 |