CN108427023B - Quick replacement device for uninterrupted power meter - Google Patents
Quick replacement device for uninterrupted power meter Download PDFInfo
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- CN108427023B CN108427023B CN201810264502.3A CN201810264502A CN108427023B CN 108427023 B CN108427023 B CN 108427023B CN 201810264502 A CN201810264502 A CN 201810264502A CN 108427023 B CN108427023 B CN 108427023B
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- energy meter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
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- General Physics & Mathematics (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The utility model discloses a quick replacement device of an uninterrupted ammeter, the device comprises an insulating shell, wherein four connecting units are arranged in the insulating shell in parallel and isolated; each connecting unit comprises a bracket, a rotatable connecting roller is arranged on the bracket, two connecting jacks which are mutually vertically communicated are arranged on the connecting roller along the radial direction; a wire holder is fixed on the bracket, a wire hole and a wire post jack which are parallel to each other are arranged on the wire holder in parallel, the binding post jack is correspondingly communicated with a connecting jack; the outer surface of the wiring seat is respectively provided with a fastening screw hole vertically communicated with the wiring hole and the wiring post jack; u-shaped openings are respectively formed in the upper surface of the insulating shell, corresponding to each connecting jack; corresponding to each connecting unit on the lower surface of the insulating shell the wiring holes are respectively provided with a wire plugging hole communicated with the inner cavity of the wiring hole. The beneficial effects are that: compact structure, occupation space is little, need not to change the table case, simple to operate is swift, need not the power failure and can carry out quick replacement to the electric energy meter.
Description
Technical Field
The utility model relates to an electric energy meter replacing device, in particular to a quick replacing device for an uninterrupted electric energy meter.
Background
The replacement of the electric energy meter is a normal operation in the work of meter installation and power connection. At present, the replacement of the user electric energy meter is operated after power failure, so that the periodic power failure of the user can be caused, and the normal life is influenced. And according to the regulations of the power supply business rule, the power outage needs to be notified to the user 7 days in advance. Although the notification modes are various, notification is not performed, and thus a cost expenditure is brought to a power supply enterprise.
In view of the situation, today, the optimization of the power supply and power consumption commercial environment and the improvement of the satisfaction degree of power supply service are advocated, how to better serve clients, improve the service quality, avoid unnecessary labor and save the cost of power supply enterprises becomes a problem to be solved urgently.
The Chinese patent of the utility model with publication number 207096297U discloses an electric energy meter replacing device without power outage and electric quantity loss, comprising a live wire access unit, a live wire outlet unit, a zero line access unit and a zero line outlet unit which are arranged side by side, and is characterized in that: the live wire access unit, the zero line access unit and the zero line access unit respectively comprise a conductive drainage seat, a conductive positioning seat, a conductive support and a conductive roller, wherein the conductive drainage seat is used for being connected with a conductive cable on the power grid side, the conductive positioning seat is fixed above the conductive drainage seat, the conductive support is fixed above the conductive positioning seat, and the conductive roller is supported on the conductive support and is used for being connected with a terminal on the ammeter side.
The electric energy meter replacing device is characterized in that the conductive drainage seat, the conductive positioning seat and the conductive support are sequentially connected from bottom to top, so that the longitudinal length of each unit is larger, the electric connection is reliable only by 8cm, the old electric energy meter is required to be lifted up to enable the binding post to be completely separated from the conductive roller when the electric energy meter is replaced, the old electric energy meter can be taken out, the inner space of the electric energy meter box is limited, the structure is difficult to replace in the narrow electric energy meter box, the overall dimension of the electric energy meter box can only be increased, the occupied space is increased, and the cost is increased.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the uninterrupted power meter quick replacement device which is compact in structure, small in occupied space, convenient and quick to install, and capable of quickly replacing the power meter without power failure.
The technical scheme of the utility model is as follows:
the utility model provides a quick replacement device of uninterrupted power supply ammeter, includes an insulating housing, and four connecting elements are installed in parallel isolation in insulating housing, are live wire access unit, live wire and connect out the unit, zero line access unit and zero line and connect out the unit in proper order; the special character is that: each connecting unit comprises a bracket, a rotatable connecting roller is arranged on the bracket, and two connecting jacks which are mutually vertically communicated are arranged on the connecting roller along the radial direction and are used for connecting binding posts of the electric energy meter; an angle iron-shaped wiring seat is fixed on the bracket, wiring holes and wiring post jacks which are parallel to each other are arranged on the wiring seat in parallel, and the wiring post jacks are correspondingly communicated with a connecting jack and are used for electrically connecting a power grid side cable and an electric energy meter wiring post respectively; the outer surface of the wiring seat is respectively provided with a fastening screw hole vertically communicated with the wiring hole and the wiring post jack, and the fastening screw hole is used for installing a fastening screw to fix a power grid side cable and a wiring post of the electric energy meter;
u-shaped openings communicated with the inner cavities of the insulating shell are respectively arranged on the upper surface of the insulating shell corresponding to the connecting jacks of each connecting unit so as to be convenient for inserting binding posts of the electric energy meter;
the lower surface of the insulating shell is respectively provided with a wire plugging hole which is communicated with the inner cavity of the insulating shell and corresponds to the wire plugging hole of each connecting unit so as to be convenient for inserting a power grid side cable.
Preferably, the bottom surface of the bracket is L-shaped, and two through holes are arranged at the lower part of the bottom surface of the bracket for penetrating the screw fixing wire holder.
As further preferable, the upper part of the bracket is provided with a U-shaped groove, and U-shaped openings are formed in two sides of the U-shaped groove, and the connecting roller is inserted into the U-shaped groove through the U-shaped openings, and two ends of the connecting roller are clamped at the inner ends of the U-shaped openings so as to be convenient for installing the connecting roller.
As a further preference, a pressing sheet is clamped between the U-shaped groove at the upper part of the bracket and the wire holder, the cross section of the pressing sheet is a groove, semicircular openings are symmetrically formed in the middle of two sides of the opening, and the pressing sheet is used for clamping two ends of the connecting roller to position the connecting roller.
As a further preferable mode, two fixing screw holes corresponding to the through holes are formed in the inner end face of the wire holder, and the connecting unit is fixed in the insulating shell through screwing in the fixing screw holes through fixing screws penetrating through the bottom plate of the insulating shell and the bracket from the bottom face of the insulating shell.
Preferably, the insulating shell cover is connected in front of the insulating shell, four cover plates are uniformly distributed at the upper end of the inner side of the insulating shell cover, and the front ends of the cover plates are concave arc-shaped and are used for being inserted into corresponding U-shaped openings to seal the U-shaped openings.
As a further preferred option, four cavities are symmetrically arranged in the insulating housing, the inner contours of the cavities are in clearance fit with the outer contours of the connecting units, and the four connecting units are sequentially arranged in the four cavities.
As a further preferable mode, four mounting holes are symmetrically formed at two ends of the insulating shell and are used for being mounted in the ammeter box through screws.
As a further preference, the electric energy meter binding post comprises a connecting plate, four vertically arranged electric connection posts are uniformly distributed and fixedly penetrated on the connecting plate, the electric connection posts are in one-to-one correspondence with the connection jacks of each connecting unit, positioning conical tables are respectively arranged on the connecting plate corresponding to the positions of each electric connection post, and the electric connection posts and the positioning conical tables are eccentrically arranged and are close to the rear edge of the top surface of the positioning conical tables, so that the contact area between the electric connection posts and the electric energy meter binding post holes is increased, and the electric conduction effect is improved.
As a further preferable mode, a circle of mutually matched positioning clamping edges are arranged between the front end face of the insulating shell and the insulating shell cover so as to position the insulating shell cover conveniently; a through hole is formed in the middle of the insulating shell cover, a nut is embedded in the insulating shell body at the position corresponding to the through hole, and the insulating shell cover is fixed on the insulating shell body through a screw penetrating the through hole and screwed into the nut; a boss is arranged on one side of the through hole in front of the insulating shell cover, and a through hole is arranged on the boss and used for penetrating through the lead lock to fix the screw of the insulating shell cover.
The beneficial effects of the utility model are as follows:
1. the structure is compact, the occupied space is small, the whole width is less than 30 mm, the meter box does not need to be replaced, the installation is convenient and quick, the quick replacement of the user electric energy meter can be realized under the condition of no power failure, and various influences caused by power interruption of the user are avoided; the replacement process of the electric energy meter is simple and convenient, and the working efficiency of the meter-mounting and electricity-receiving operators is greatly improved.
2. Because the connecting jacks which are communicated with each other vertically are arranged on the connecting roller along the radial direction and are used for connecting the binding posts of the electric energy meter, uninterrupted accurate metering of the electric energy meter can be realized in the replacement process of the electric energy meter, electric quantity loss is avoided, and therefore the economy of a power supply enterprise is ensured not to be lost.
3. The device thoroughly changes the wiring method in the traditional operation, thereby completely avoiding the possible wrong wiring, and thoroughly eliminating the abnormal operation result of the electric energy meter caused by the wrong wiring, so that the benefits of power supply enterprises and users can be ensured.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a schematic view of the structure of fig. 1 with the insulating cover and the power meter post removed.
Fig. 4 is a cross-sectional view A-A of fig. 3.
Fig. 5 is a B-B cross-sectional view of fig. 3.
Fig. 6 is a schematic structural view of the stent of the present utility model.
Fig. 7 is a left side view of fig. 6.
Fig. 8 is a schematic view of the structure of the present utility model when the electric energy meter is replaced.
In the figure: the power grid-side cable comprises an insulating shell 1, a cavity 101, a mounting hole 102, a U-shaped notch 103, a plug wire hole 104, a connecting plate 2, a positioning frustum 201, a power receiving column 3, an insulating shell cover 4, a cover plate 401, a boss 402, a screw 5, a power grid-side cable 6, a connecting unit 7, a bracket 8,U type groove 801, a through hole 802, a U-shaped notch 803, a connecting roller 9, a connecting jack 901, a fastening screw 10, a nut 11, a wire holder 12, a wire hole 1201, a wire holder jack 1202, a pressing sheet 13, a fixing screw 14 and a positioning clamping edge 15.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-5, the utility model relates to a quick replacement device for an uninterruptible electric energy meter, which comprises an insulating shell 1, wherein four connecting units 7 are installed in the insulating shell 1 in parallel and isolated, and a live wire access unit, a zero line access unit and a zero line access unit are sequentially arranged from left to right. Four cavities 101 are symmetrically arranged in the insulating shell, the inner contours of the cavities are in clearance fit with the outer contours of the connecting units, and the four connecting units are sequentially arranged in the four cavities. Four mounting holes 102 are symmetrically formed in two ends of the insulating shell and are used for being installed in an ammeter box through screws.
Each connecting unit 7 comprises a bracket 8 formed by pressing a metal plate, as shown in fig. 6 and 7, the bottom surface of the bracket 8 is L-shaped, and two through holes 802 are arranged at the lower part of the bottom surface of the bracket 8 and used for penetrating fixing screws 14 to fix a wire holder 12; the upper portion of the support 8 forms a U-shaped groove 801, a rotatable connecting roller 9 is arranged in the U-shaped groove, U-shaped openings 803 with downward openings are symmetrically formed in two sides of the U-shaped groove, and the connecting roller 9 is inserted into the U-shaped groove through the U-shaped openings, and two ends of the connecting roller are clamped at the inner ends of the U-shaped openings so as to be convenient for installing the connecting roller. Two connecting jacks 901 which are mutually vertically communicated are arranged on the connecting roller 9 along the radial direction, penetrate through the outer edge of the connecting roller and are used for inserting binding posts of the electric energy meter. The wiring seat 12 is angle iron-shaped and is pressed at the lower part of the bottom surface of the bracket, a wiring hole 1201 and a wiring post jack 1202 which are parallel to each other are arranged on the wiring seat 12 in parallel, and the wiring post jack is correspondingly communicated with a connecting jack and is used for electrically connecting the power grid side cable 6 and the electric energy meter wiring post respectively. The outer surface of the wiring seat 12 is respectively provided with a fastening screw hole vertically communicated with the wiring hole and the wiring terminal jack, and the fastening screw hole is used for installing a fastening screw 10 to fix a power grid side cable and a wiring terminal of the electric energy meter; the number of the fastening screw holes which are correspondingly communicated with the wiring holes is two, and the number of the fastening screw holes which are correspondingly communicated with the wiring terminal jacks is one, so that firm connection is ensured. The pressing piece 13 is clamped between the U-shaped groove at the upper part of the bracket and the wire holder 12, the cross section of the pressing piece 13 is a groove, semicircular openings are symmetrically formed in the middle of the front ends of the two sides of the opening, and the pressing piece is used for clamping the two ends of the connecting roller 9 to position the connecting roller and improve the conductive effect of the connecting roller 9 and the wire holder 12.
The two sides of the inner angle of the wire holder 12 are abutted against two adjacent outer surfaces of the pressing piece, so that the pressing piece is positioned. The bottom surface of the pressing sheet corresponding to one side of the wire holder 12 is provided with a round hole for communicating the wiring terminal jack with the connection jack, the inner end surface of the wire holder 12 is provided with two fixing screw holes respectively corresponding to the through holes 802 on the support, and the connection unit is fixed in the cavity of the insulating shell through the fixing screw holes which are screwed in by the fixing screws 14 penetrating through the bottom plate of the insulating shell and the through holes of the support from the bottom surface of the insulating shell.
The upper surface of the insulating shell 1 is provided with U-shaped openings 103 which are communicated with the cavity of the cavity and correspond to the connecting jacks vertically arranged on each connecting unit respectively so as to be convenient for inserting the binding posts of the electric energy meter. Wire insertion holes 104 communicated with the cavity of the cavity are respectively arranged on the lower surface of the insulating shell corresponding to the wire connection holes of each connecting unit so as to insert the power grid side cable.
The front of the insulating shell is connected with an insulating shell cover 4, four cover plates 401 are uniformly distributed at the upper end of the inner side of the insulating shell cover 4, and the front ends of the cover plates are concave arc-shaped and are used for being inserted into corresponding U-shaped openings to seal the U-shaped openings.
A circle of mutually matched positioning clamping edges 15 are arranged between the front end face of the insulating shell and the insulating shell cover so as to position the insulating shell cover conveniently. A through hole is arranged in the middle of the insulating shell cover, a nut 11 is embedded in the insulating shell body corresponding to the through hole, and the insulating shell cover is fixed on the insulating shell body through a screw 5 penetrating the through hole and screwed into the nut. A boss 402 is provided on the side of the through hole in front of the insulating cover and a hole is provided on the boss for passing through the screw 5 of the lead lock fixing insulating cover.
The electric energy meter wiring post comprises a connecting plate 2, four vertically arranged power connection posts 3 are uniformly distributed and fixedly arranged on the connecting plate 2 in a penetrating mode, the power connection posts 3 are in one-to-one correspondence with connection jacks of each connecting unit and in small-clearance sliding fit, a positioning frustum 201 is arranged on the connecting plate corresponding to each power connection post, the power connection posts and the positioning frustum are eccentrically arranged and are close to the rear edge of the top surface of the positioning frustum, so that the contact area of the power connection posts and wiring terminal holes of the electric energy meter is increased, and the conductive effect is improved. The outer edge of the electric connection column 3 is provided with a tinning layer so as to improve the electric conduction effect of the electric connection column 3 and the connecting roller 9.
Referring to fig. 1 during normal installation and use, the upper ends of four electric connection columns of the electric energy meter binding post are respectively inserted into and fixed in four binding post holes of the electric energy meter, the lower ends of the four electric connection columns of the electric energy meter binding post are respectively inserted into connection jacks which are positioned in a vertical state on four connection unit connection rollers, and the electric connection jacks are inserted into the binding post jacks on the binding post 12 and fixed through fastening screws. The insulating shell is installed in the ammeter box through the mounting holes at two ends by using screws, and then the power grid side cable, namely the live wire incoming line, the live wire outgoing line, the zero line incoming line and the zero line outgoing line, are correspondingly inserted into the wiring holes on the wiring seat 12 of the live wire access unit, the live wire outgoing unit, the zero line access unit and the zero line outgoing unit respectively and are fixed through fastening screws, so that the ammeter can be normally used.
When the electric energy meter needs to be replaced, referring to fig. 8, firstly, sequentially detaching screws for sealing lead and fixing an insulating shell cover, and removing the insulating shell cover, and installing an electric energy meter binding post on a new electric energy meter; then, the outer ends of four power connection columns of the binding post of the electric energy meter on the new electric energy meter are respectively inserted into the connecting jacks which are positioned in the horizontal state on the four connecting unit connecting rollers, and the new electric energy meter is started to record electricity; then loosening the fastening screw corresponding to the jack of the binding post on the wiring seat 12, lifting the binding post of the original electric energy meter and the electric energy meter connected with the lower end of the binding post to separate the electric energy meter from the connecting roller, and then taking down the original electric energy meter; and finally, turning the new electric energy meter upwards by 90 degrees, driving the connecting rollers of the four connecting units to rotate by 90 degrees by the electric energy meter binding posts connected with the new electric energy meter and corresponding to the binding post jacks, pressing the new electric energy meter downwards to enable the electric energy meter binding posts to be inserted into the corresponding binding post jacks and screwing the fastening screws, and fixing the new electric energy meter.
Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (7)
1. The utility model provides a quick replacement device of uninterrupted power supply ammeter, includes an insulating housing, and four connecting elements are installed in parallel isolation in insulating housing, are live wire access unit, live wire and connect out the unit, zero line access unit and zero line and connect out the unit in proper order; the method is characterized in that: each connecting unit comprises a bracket, a rotatable connecting roller is arranged on the bracket, and two connecting jacks which are mutually vertically communicated are arranged on the connecting roller along the radial direction and are used for connecting binding posts of the electric energy meter; an angle iron-shaped wiring seat is fixed on the bracket, wiring holes and wiring post jacks which are parallel to each other are arranged on the wiring seat in parallel, and the wiring post jacks are correspondingly communicated with a connecting jack and are used for electrically connecting a power grid side cable and an electric energy meter wiring post respectively; the outer surface of the wiring seat is respectively provided with a fastening screw hole vertically communicated with the wiring hole and the wiring post jack, and the fastening screw hole is used for installing a fastening screw to fix a power grid side cable and a wiring post of the electric energy meter;
u-shaped openings communicated with the inner cavities of the insulating shell are respectively arranged on the upper surface of the insulating shell corresponding to the connecting jacks of each connecting unit so as to be convenient for inserting binding posts of the electric energy meter; wire insertion holes communicated with the inner cavities of the wire insertion holes are respectively formed in the lower surface of the insulating shell and correspond to the wire connection holes of each connecting unit so as to facilitate insertion of the power grid side cables;
the upper part of the bracket is provided with a U-shaped groove, two sides of the U-shaped groove are provided with U-shaped openings, the connecting roller is inserted into the U-shaped groove through the U-shaped openings, and two ends of the connecting roller are clamped at the inner ends of the U-shaped openings so as to be convenient for installing the connecting roller; a pressing sheet is clamped between the U-shaped groove at the upper part of the bracket and the wire holder, the cross section of the pressing sheet is a groove, semicircular openings are symmetrically arranged in the middle parts of two sides of the opening, and the pressing sheet is used for clamping two ends of the connecting roller to position the connecting roller;
the electric energy meter wiring post comprises a connecting plate, four vertically arranged electric connection posts are uniformly distributed and fixedly penetrated on the connecting plate, the electric connection posts correspond to the connection jacks of each connecting unit one by one, a positioning frustum is arranged on the connecting plate corresponding to each electric connection post, and the electric connection posts and the positioning frustum are eccentrically arranged and close to the rear edge of the top surface of the positioning frustum so as to increase the contact area of the electric connection posts and wiring terminal holes of the electric energy meter and improve the conductive effect.
2. The uninterruptible power meter quick change device of claim 1, wherein: the bottom surface of support is L type, is equipped with two through-holes in the lower part of support bottom surface for wear to establish screw fixed connection terminal.
3. The uninterruptible power meter quick change device of claim 2, wherein: the inner end surface of the wire holder is provided with two fixing screw holes which respectively correspond to the through holes, and the connecting unit is fixed in the insulating shell through the fixing screw holes which are screwed in by the fixing screws penetrating through the bottom plate of the insulating shell and the bracket from the bottom surface of the insulating shell.
4. The uninterruptible power meter quick change device of claim 1, wherein: the front of the insulating shell is connected with an insulating shell cover, four cover plates are uniformly distributed at the upper end of the inner side of the insulating shell cover, and the front end of each cover plate is concave arc-shaped and is used for being inserted into a corresponding U-shaped opening to close the U-shaped opening.
5. The uninterruptible power meter quick change device of claim 1, wherein: four cavities are symmetrically arranged in the insulating shell, the inner contours of the cavities are in clearance fit with the outer contours of the connecting units, and the four connecting units are sequentially arranged in the four cavities.
6. The uninterruptible power meter quick change device of claim 5, wherein: four mounting holes are symmetrically formed in two ends of the insulating shell and used for being installed in an ammeter box through screws.
7. The uninterruptible power meter quick change device of claim 4, wherein: a circle of mutually matched positioning clamping edges are arranged between the front end face of the insulating shell and the insulating shell cover so as to position the insulating shell cover conveniently; a through hole is formed in the middle of the insulating shell cover, a nut is embedded in the insulating shell body at the position corresponding to the through hole, and the insulating shell cover is fixed on the insulating shell body through a screw penetrating the through hole and screwed into the nut; a boss is arranged on one side of the through hole in front of the insulating shell cover, and a through hole is arranged on the boss and used for penetrating through the lead lock to fix the screw of the insulating shell cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810264502.3A CN108427023B (en) | 2018-03-28 | 2018-03-28 | Quick replacement device for uninterrupted power meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810264502.3A CN108427023B (en) | 2018-03-28 | 2018-03-28 | Quick replacement device for uninterrupted power meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108427023A CN108427023A (en) | 2018-08-21 |
| CN108427023B true CN108427023B (en) | 2023-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810264502.3A Active CN108427023B (en) | 2018-03-28 | 2018-03-28 | Quick replacement device for uninterrupted power meter |
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| CN (1) | CN108427023B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110133344B (en) * | 2019-06-17 | 2024-03-15 | 武汉中网电力设备工程有限责任公司 | Simple device for quick replacement of electric energy meter without power-off |
| CN113295897B (en) * | 2021-04-13 | 2024-04-05 | 国网山东省电力公司济南供电公司 | Electric energy meter device |
| CN114236205B (en) * | 2021-12-15 | 2023-07-11 | 深圳供电局有限公司 | Electric energy meter base and corresponding method for replacing electric energy meter without power failure |
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