CN2630864Y - Long distance calibrating installation for electric energy meter - Google Patents
Long distance calibrating installation for electric energy meter Download PDFInfo
- Publication number
- CN2630864Y CN2630864Y CN 03254812 CN03254812U CN2630864Y CN 2630864 Y CN2630864 Y CN 2630864Y CN 03254812 CN03254812 CN 03254812 CN 03254812 U CN03254812 U CN 03254812U CN 2630864 Y CN2630864 Y CN 2630864Y
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- CN
- China
- Prior art keywords
- electric energy
- energy meter
- watt
- hour meter
- detected
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- 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 - Lifetime
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Abstract
The utility model discloses a device which is used to detect a watt-hour meter in a long distance, which comprises a housing and a watt-hour meter to be detected. The utility model is characterized in that further a comparator and a wire or wireless terminal are arranged inside the housing, and the accuracy level of the comparator at least belongs to the same grade as the watt-hour meter to be detected or belongs to a much greater grade, meanwhile the number of the per-kwh output pulses is uniform to the watt-hour meter to be detected. The input ends of the comparator and the watt-hour meter to be detected are connected together using line current and phase voltage of the same point, and the pulse detection ports of the comparator and the watt-hour meter to be detected are separately connected to the two detection ports of the wire or wireless terminal, and the Rs485 interface of the comparator and the watt-hour meter to be detected is connected to the Rs485 interface of the wire or wireless terminal. Therefore the utility model totally solves the inconvenience caused by the regular inspection tour or bringing the check meter to the field to detect when the users doubt in the previous detection of the watt-hour meter, and effectively reduces the labor cost and improves the table and meter management level of the power supply enterprises.
Description
Technical field:
The utility model relates to and a kind of electric energy meter, GPRS terminal and comparer is carried out certain combination, and the device of the remote calibrating electric energy meter that forms.
Background technology:
As everyone knows, power supply enterprise's calibrating electric energy meter is numerous and diverse, a passive job.Usually when user's query or regular visit, the tape test instrument is just pinpointed the problems to on-site proving, and is often late; Or before dress table the correction platform batch testing, dual mode all needs to spend a large amount of labour cost, and detection efficiency is low.Various restraining factors increase with the increase of dressing table amount, very are unfavorable for power supply enterprise's table meter management development.Ready-made patented product ZL01217726.1, be a kind of three resistance sampling three-phase and four-line full electronic watches, it is by gauge stand, watchcase, dial framework, register and electronic circuit constitute, dial framework is fixed in register and electronic circuit printed board, and electric energy metrical is partly realized modularization in the electronic circuit, design feature is: all be serially connected with sample resistance in three phase lines of this electric energy meter, three sample resistance signal output parts are connected to three separate metering circuit input ends respectively, the output terminal of these three separate metering circuits is connected with the single-chip microcomputer input end by three groups of photoelectrical couplers, and the output terminal of single-chip microcomputer is connected with register.This kind three-phase and four-line full electronic watch can be used as following comparer of the present utility model and uses.Following remote live calibrating electric energy meter is for addressing these problems the approach that provides effective.
Summary of the invention:
The purpose of this utility model is to provide the device of the remote calibrating electric energy meter of a kind of remote live calibrating electric energy meter and early warning system that can online use electrical energy meter fault.The purpose of this utility model is achieved in that the device of described remote calibrating electric energy meter, comprises the electric energy meter that the quilt in shell and the shell is examined and determine, and its design feature is for also comprising comparer and wired or wireless terminal in the enclosure; The accuracy class of described comparer is same rank or higher level with the electric energy meter of being examined and determine at least, and every kilowatt-hour output umber of pulse of comparer is consistent with the electric energy meter of being examined and determine simultaneously; Described comparer and the line current of being got same point mutually by the inlet side of the electric energy meter examined and determine and phase voltage and corresponding being connected together; Described comparer detects mouth with two of wired or wireless terminal respectively with the pulse detection mouth of the electric energy meter of being examined and determine and links to each other; The Rs485 interface of the electric energy meter that described comparer and quilt are examined and determine is received the Rs485 interface of wired or wireless terminal.The purpose of this utility model also can be achieved through the following technical solutions, the device of described remote calibrating electric energy meter, and its characteristics are that wireless terminal adopts the GPRS terminal.The device of described remote calibrating electric energy meter, its characteristics are to be provided with data-carrier store in the wireless GPRS terminal.The utility model is owing to carry out certain combination with electric energy meter, GPRS terminal and comparer, make main website to examine and determine electric energy meter in real time at a distance, thoroughly solved examined and determine in the past electric energy meter must be regular visit or user when querying the tape verifying instrument and effectively reduce labour cost and improve power supply enterprise's table meter management level to the inconvenience that on-site proving caused.And, make metrological service of power supply enterprise accomplish to shoot the arrow at the target for power supply enterprise provides an early warning system of overlapping online use electrical energy meter fault, make an initiative sally, and the electric energy meter of failure operation was handled before accident.Have characteristics such as simple in structure, easy to use.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is an another kind of structural representation of the present utility model.
Embodiment:
Below in conjunction with accompanying drawing the utility model is elaborated:
As shown in Figure 1 and Figure 2, the electric energy meter 3 that will be examined and determine and comparer 4 inlet sides are connected together, and get identical signal source (getting the line current and the phase voltage of phase same point).Electric energy meter 4 same ranks or a high rank that the accuracy class of comparer 3 is examined and determine at least.Both export the necessary unanimity of umber of pulse of every Kwh simultaneously.As shown in Figure 1, wireless terminal adopts GPRS terminal 5, and both are connected with pulse detection mouth 2 with the pulse detection mouth 1 of GPRS terminal, and GPRS terminal 5 pulse signal that will collect electric energy meter 3 and comparer 4 is stored in the interior data-carrier store E of terminal at ordinary times
2(can store 15 days amount) among the ROM, when main website when terminal sends the calibrating order, terminal can mail to main website with electric energy meter in 1～15 day and all umber of pulses of comparer, compare in main website, or when sending the calibrating order in main website, terminal also can be delivered to main website in real time with electric energy meter and comparer umber of pulse and compare.Main website with both ratio of pulse length to the total cycle length after, just can judge the operation conditions of electric energy meter from the trend graph of electric energy meter.These can be finished by the control of the computer program in main website and the terminal.Here electric energy meter 3 is electric energy meters of any model, generally be three-phase three-wire electric energy meter or three-phase and four-line electric energy meter, be the three-phase and four-line electric energy meter in Fig. 1 and Fig. 2 example, be A, B, C three-phase, D is a zero line, comparer adopts and is all three-phase three-wire electric energy meter or three-phase and four-line electric energy meter by the calibrating electric energy meter, and the accuracy class that uses with got final product by rank such as calibrating electric energy meter or common three-phase three-wire electric energy meter or three-phase and four-line electric energy meter above, identical pulse output; Comparer has adopted ready-made patented product (the three-phase and four-line full electronic watch of ZL01217726.1) in Fig. 1 and Fig. 2 example, just the three-phase and four-line full electronic watch is a same rank or a high rank with the electric energy meter of being examined and determine, simultaneously both export the umber of pulse of every Kwh must be consistent.And the GPRS terminal also is to adopt off-the-shelf, but must add calibrating order (computer program) in main website, and increases data-carrier store to increase storage space in the GPRS terminal; As shown in Figure 2, compare with Fig. 1 embodiment, comparer 3 is all identical with electric energy meter 4 structures of being examined and determine, other structure connects all identical, different is to adopt catv terminal 6, comparer 3 is connected with pulse detection mouth 2 with the pulse detection mouth 1 of catv terminal 6 with the electric energy meter of being examined and determine 4, catv terminal 6 pulse signal that will collect electric energy meter 3 and comparer 4 is stored in the data-carrier store in the terminal at ordinary times, catv terminal 6 can adopt existing telephone network terminal, also there is data-carrier store to be used for the pulse signal of storage of collected in the terminal to electric energy meter and comparer, 15 days amount of general storage, main website sends the calibrating order to terminal and adopts wired mode, terminal mails to main website with the electric energy meter in 1～15 day and all umber of pulses of comparer and adopts wired, above-mentioned data transmission, instruction transmission etc. all can adopt computer program control to transmit in wired mode; Above-mentioned computer program those skilled in the art needn't all can design by creative work.
Claims (3)
1, a kind of device of remote calibrating electric energy meter comprises the electric energy meter (3) that the quilt in shell and the shell is examined and determine, and it is characterized in that also comprising in the enclosure comparer (4) and wired or wireless terminal; The accuracy class of described comparer (4) is same rank or higher level with the electric energy meter of being examined and determine (3) at least, and every kilowatt-hour output umber of pulse of comparer is consistent with the electric energy meter of being examined and determine simultaneously; Described comparer and the line current of being got same point mutually by the inlet side of the electric energy meter examined and determine and phase voltage and corresponding being connected together; Described comparer detects mouth with two of wired or wireless terminal respectively with the pulse detection mouth of the electric energy meter of being examined and determine and links to each other; The Rs485 interface of the electric energy meter that described comparer and quilt are examined and determine is received the Rs485 interface of wired or wireless terminal.
2, the device of remote calibrating electric energy meter according to claim 1 is characterized in that wireless terminal adopts GPRS terminal (5).
3, the device of remote calibrating electric energy meter according to claim 2 is characterized in that being provided with data-carrier store in the wireless GPRS terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03254812 CN2630864Y (en) | 2003-07-10 | 2003-07-10 | Long distance calibrating installation for electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03254812 CN2630864Y (en) | 2003-07-10 | 2003-07-10 | Long distance calibrating installation for electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2630864Y true CN2630864Y (en) | 2004-08-04 |
Family
ID=34294702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03254812 Expired - Lifetime CN2630864Y (en) | 2003-07-10 | 2003-07-10 | Long distance calibrating installation for electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2630864Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101944301A (en) * | 2010-09-21 | 2011-01-12 | 温州电力局 | Wrong wiring simulation training and simulation testing system of electric energy metering device |
| RU2465571C2 (en) * | 2009-02-24 | 2012-10-27 | Государственное образовательное учреждение высшего профессионального образования Тамбовское высшее военное авиационное инженерное училище радиоэлектроники (военный институт) | Microwave device to determine electrophysical parameters and concentration of ferromagnetic liquids |
| CN110286348A (en) * | 2019-06-19 | 2019-09-27 | 国网湖北省电力有限公司宜昌供电公司 | The method for early warning of gauge table |
-
2003
- 2003-07-10 CN CN 03254812 patent/CN2630864Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2465571C2 (en) * | 2009-02-24 | 2012-10-27 | Государственное образовательное учреждение высшего профессионального образования Тамбовское высшее военное авиационное инженерное училище радиоэлектроники (военный институт) | Microwave device to determine electrophysical parameters and concentration of ferromagnetic liquids |
| CN101944301A (en) * | 2010-09-21 | 2011-01-12 | 温州电力局 | Wrong wiring simulation training and simulation testing system of electric energy metering device |
| CN110286348A (en) * | 2019-06-19 | 2019-09-27 | 国网湖北省电力有限公司宜昌供电公司 | The method for early warning of gauge table |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130710 Granted publication date: 20040804 |