CN203310880U - Portable electric quantity compensation device - Google Patents
Portable electric quantity compensation device Download PDFInfo
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- CN203310880U CN203310880U CN2013203144335U CN201320314433U CN203310880U CN 203310880 U CN203310880 U CN 203310880U CN 2013203144335 U CN2013203144335 U CN 2013203144335U CN 201320314433 U CN201320314433 U CN 201320314433U CN 203310880 U CN203310880 U CN 203310880U
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- energy meter
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- 230000005611 electricity Effects 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses a portable electric quantity compensation device comprising a box body, a box door and an electric energy meter. The box door is connected with the box body by a hinge, and the electric energy meter is fixed in the cavity of the box body. The portable electric quantity compensation device is characterized in that seven through holes are arranged at the bottom of the box body, seven wires connected with seven connecting terminals of the electric energy meter respectively penetrate the corresponding through holes, the front ends of the three wires, connected with the voltage, among the seven wires are respectively fixed with an upper insulation clamp, the front ends of the rest four leads, connected with the current, are respectively fixed with an upper U-shaped inserting piece, and each of the three wires connected with the voltage is provided with an air switch. The portable electric quantity compensation device has a simple structure, is easy to install, and is accurate in metering. By employing the portable electric quantity compensation device, the electric quantity during a meter replacing period when a user replaces the high-voltage electric energy meter can be accurately metered, so that the accuracy of the compensation electric quantity is ensured, benefits of an electricity supplier and an electricity user are ensured, and therefore the accuracy and fairness for metering are realized.
Description
Technical field
The utility model relates to the improvement of a kind of electric power meter and electric energy meter replacing method thereof, and specifically a kind of Portable electric quantity is remedied device, the electric weight during being applicable to during changing electric energy meter can accurate-metering to change table.
Background technology
Shandong Province's Laiwu City is important iron and steel, Energy Base, and the large enterprises such as Laiwu Iron & Steel Group Co., Ltd, middle areas in Shandong Province Mining Group company, tai shan steel enterprise are arranged within the border.Along with applying of intelligent electric meter, these high pressure client's electric power meter needs to change.In the work of changing electric energy meter, during operation, need first by the electric current brace short circuit in terminal box, make A411 and AN411, C411 and CN411 are in short-circuit condition, the time of recording now is as the start time of changing table, also need to record the relevant parameters such as forward and reverse meritorious, reactive energy registration, voltage, electric current, power factor, after having recorded, need again the voltage brace of the A in the terminal box of electric energy meter front end, B, C three-phase to be broken away from and disconnects, thereby guarantee the voltage transformer secondary side open circuit, the short circuit of Current Transformer Secondary side; Now, 7 connecting lines of voltage, electric current that just terminal box can be connected to the electric energy meter of phase three-wire three are pulled down, can carry out the electric energy meter replacing, to be replaced complete recover normal metering after, as changing the table deadline, calculate this electric weight changed during table according to corresponding electric quantity compensating principle and remedy writing time.Because iron and steel enterprise is mostly impact load, load unstable, simultaneously, because of the work on the spot environmental impact, it is long that the part electric energy meter is changed the site work time, is at present merely according to voltage, electric current, power factor and the time of record, to carry out the electric weight during table is changed in artificial calculating, easily causes the larger error of calculation, cause remedying the electric weight out of true, bring loss easily for client and power supply both sides.
Summary of the invention
The purpose of this utility model be to provide a kind of simple in structure, install easily, accurate measurement, when the high pressure client changes electric energy meter, can accurate-metering change the electric weight during table, guarantee to remedy electric weight accurately Portable electric quantity remedy device.
In order to reach above purpose, the technical scheme that the utility model adopts is: this Portable electric quantity is remedied device, comprise casing, chamber door and electric energy meter, chamber door is connected with casing by folding, electric energy meter is fixed in the casing chamber, it is characterized in that: in the bottom of casing, be provided with 7 through holes, 7 wires that are connected with 7 connection terminals of electric energy meter pass respectively corresponding through hole, the front end that wherein connects three wires of voltage is fixed respectively upper insulating blanked clamper, all the other connect the front end of four wires of electric current and fix respectively upper U-shaped inserted sheet, be respectively equipped with air switch connecing on three wires of voltage.
The utility model is also implemented by following measure: described chamber door is provided with the view window corresponding with the display screen of electric energy meter and the air switch operation window corresponding with air switch.
The beneficial effects of the utility model are: simple in structure, install easily, accurate measurement, when the high pressure client changes electric energy meter, can accurate-metering change the electric weight during table, guarantee to remedy electric weight accurate, guarantee the interests for electricity consumption both sides, that accomplishes to measure is accurate, fair and just.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure: 1, casing; 2, chamber door; 3, view window; 4, electric energy meter; 5, air switch; 6, insulating blanked clamper; 7, U-shaped inserted sheet; 8, air switch operation window.
Embodiment
With reference to accompanying drawing 1, make the utility model.This Portable electric quantity is remedied device, comprise casing 1, chamber door 2 and electric energy meter 4, chamber door 2 is connected with casing 1 by folding, electric energy meter 4 is fixed in casing 1 chamber, it is characterized in that: in the bottom of casing 1, be provided with 7 through holes, 7 wires that are connected with 7 connection terminals of electric energy meter 4 pass respectively corresponding through hole, the front end that wherein connects three wires of voltage is fixed respectively upper insulating blanked clamper 6, all the other connect the front end fixing upper U-shaped inserted sheet 7 respectively of four wires of electric current, are respectively equipped with air switch 5 connecing on three wires of voltage.
Described chamber door 2 is provided with the view window corresponding with the display screen of electric energy meter 43 and the air switch operation window 8 corresponding with air switch 5.
The described air switch 5 connected on three wires of voltage that connects can adopt the three-phase air switch, and such three wires that connect voltage can be accomplished break-make simultaneously, easy to use.
The electric energy meter replacing method of this accurate measurement, it is characterized in that: it has comprised the following steps:
(1), air switch that Portable electric quantity is remedied to device is in off-state, record Portable electric quantity and remedy the electric energy meter initial table code in device;
(2), need the electric energy meter of changing to be arranged on the leading-out terminal of terminal box, first unclamp the screw at the middle downside electric current brace of terminal box A phase current place, the U-shaped inserted sheet of Portable electric quantity being remedied to the A phase current A411 inlet wire of device inserts terminal box A phase current inlet wire junction, with screw, compress, again the U-shaped inserted sheet of A phase current N411 outlet is inserted to terminal box A phase current outlet junction, with screw, compress, guarantee that wiring is firm;
(3), in like manner, the U-shaped inserted sheet of Portable electric quantity being remedied to the C phase current C411 inlet wire of device inserts terminal box C phase current inlet wire junction, with screw, compresses, the more U-shaped inserted sheet of C phase current N411 outlet is inserted to terminal box C phase current outlet junction, with screw, compress, guarantee that wiring is firm;
(4), the insulating blanked clamper of Portable electric quantity being remedied to A, B, the C phase voltage connecting line front end of device is clamped respectively corresponding A, B, C pressure-wire point of incoming cables in terminal box;
(5), the electric current brace of terminal box A, C phase current upside is opened, make it be in off-state;
Disconnect A in terminal box, B, C phase voltage brace, need the electric energy meter of changing no-voltage, stop metering (6), respectively; The Portable electric quantity that closes is simultaneously remedied the air switch of device, makes it be in "on" position, and now Portable electric quantity is remedied electric energy meter in device and started metering;
(7), will need the electric energy meter of changing to remove, new electric energy meter is installed;
(8), check that the new clothes connection box of electric energy meter is correct after, respectively A, B, C phase voltage brace in terminal box are communicated with, the electric current brace of terminal box A, C phase current upside is connected;
(9), disconnect the air switch that Portable electric quantity is remedied device, now the electric energy meter remedied in device of Portable electric quantity stops metering, record sheet code;
Remove Portable electric quantity and remedy three insulating blanked clampers and four U-shaped inserted sheets of device, build connector cover, lead sealing is installed and gets final product (10), respectively.
Now, the reading that Portable electric quantity is remedied on the electric energy meter 4 of device is the electric weight produced between the stage of replacement, and accurate measurement has ensured power supply and electricity consumption both sides' interests.
Claims (2)
1. Portable electric quantity is remedied device, comprise casing (1), chamber door (2) and electric energy meter (4), chamber door (2) is connected with casing (1) by folding, electric energy meter (4) is fixed in casing (1) chamber, it is characterized in that: be provided with 7 through holes in the bottom of casing (1), 7 wires that are connected with 7 connection terminals of electric energy meter (4) pass respectively corresponding through hole, the front end that wherein connects three wires of voltage is fixed respectively upper insulating blanked clamper (6), all the other connect the front end of four wires of electric current and fix respectively upper U-shaped inserted sheet (7), be respectively equipped with air switch (5) connecing on three wires of voltage.
2. Portable electric quantity according to claim 1 is remedied device, it is characterized in that: described chamber door (2) is provided with the view window (3) corresponding with the display screen of electric energy meter (4) and the air switch operation window (8) corresponding with air switch (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203144335U CN203310880U (en) | 2013-06-03 | 2013-06-03 | Portable electric quantity compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203144335U CN203310880U (en) | 2013-06-03 | 2013-06-03 | Portable electric quantity compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203310880U true CN203310880U (en) | 2013-11-27 |
Family
ID=49617081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203144335U Expired - Fee Related CN203310880U (en) | 2013-06-03 | 2013-06-03 | Portable electric quantity compensation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203310880U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245809A (en) * | 2013-06-03 | 2013-08-14 | 国家电网公司 | Portable electric quantity remedying device and electric energy meter replacing method for accurate metering |
-
2013
- 2013-06-03 CN CN2013203144335U patent/CN203310880U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245809A (en) * | 2013-06-03 | 2013-08-14 | 国家电网公司 | Portable electric quantity remedying device and electric energy meter replacing method for accurate metering |
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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 |
Granted publication date: 20131127 Termination date: 20170603 |
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| CF01 | Termination of patent right due to non-payment of annual fee |