CN214673692U - Copper bar pre-buried type low-voltage single-phase multi-meter-position electric energy metering box - Google Patents
Copper bar pre-buried type low-voltage single-phase multi-meter-position electric energy metering box Download PDFInfo
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- CN214673692U CN214673692U CN202023104421.9U CN202023104421U CN214673692U CN 214673692 U CN214673692 U CN 214673692U CN 202023104421 U CN202023104421 U CN 202023104421U CN 214673692 U CN214673692 U CN 214673692U
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
- H02B1/34—Racks
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- Engineering & Computer Science (AREA)
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Abstract
The utility model relates to a single-phase many epitopes electric-energy metering box of pre-buried formula low pressure of copper bar belongs to ammeter case technical field, including the master switch box, install the instrument case in the master switch box, the master switch box includes master switch box upper cover and master switch box base, the master switch box upper cover links to each other with the master switch box base through first hinge mechanisms, the master wire mouth has been seted up on the master switch box base, fixed mounting has bus cardboard and bus buckle in the master switch box base, install the master switch module in the master switch box base, install the pre-buried live wire copper bar of master switch box and the pre-buried zero line copper bar of master switch box on the master switch module, pre-buried live wire copper bar lid and pre-buried zero line copper bar lid are installed respectively to master switch box pre-buried live wire copper bar and the pre-buried zero line copper bar outside of master switch box. The utility model discloses a pre-buried copper bar and perpendicular grafting mode make the batch meter wiring more standard and standard, conveniently realize the standardized production of batch meter wiring, improve production efficiency and quality, improved the security in the operation.
Description
Technical Field
The utility model relates to an ammeter case technical field specifically is a single-phase many epitopes electric-energy metering box of pre-buried formula low pressure of copper bar.
Background
With the development of society and the improvement of electric power safety regulations, users put higher requirements on the safety and reliability of power supply facilities. The electric energy metering box is widely applied to safe electricity utilization management in the fields of rural and urban civilian use, business, factories and the like. Particularly, in recent years, with the pace of urbanization development in China being accelerated, the national power grid continuously invests in power infrastructure, and the demand for intensive power management is increasing in power management.
The electric energy metering box with multiple epitopes is a commonly adopted solution at present. However, currently, most of the multi-epitope electric energy metering boxes are designed to be directly connected with internal related components by using wires. Use the wire to connect the ammeter, the user can be worked a telephone switchboard by oneself and lead to stealing electricity easily and use electrical safety, has the problem of wiring confusion and wrong line when production, and the electric wire is in disorder in the electric energy metering box, produces the waste of a large amount of electric wire materials when making connecting wire in addition, and the box design is big partially, changes the ammeter difficulty, and is inefficient to can only cut off the power supply operation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a single-phase many epitopes electric-energy metering box of pre-buried formula low pressure of copper bar to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a copper bar pre-embedded type low-voltage single-phase multi-meter position electric energy metering box comprises a main switch box, an instrument box is arranged in the main switch box, the main switch box comprises a main switch box upper cover and a main switch box base matched with the main switch box upper cover, the main switch box upper cover is connected with the main switch box base through a first hinge mechanism, a main wire port is arranged on the base of the main switch box, a bus clamping plate and a bus buckle are fixedly arranged in the base of the main switch box, a main switch module is arranged between the bus clamping plate and the bus buckle and the base of the main switch box, a pre-buried fire wire copper bar of the main switch box and a pre-buried zero line copper bar of the main switch box are arranged on the main switch module, the pre-buried live wire copper bar externally mounted of master switch case has pre-buried live wire copper bar lid, the pre-buried zero line copper bar externally mounted of master switch case has pre-buried zero line copper bar lid, through public female bayonet coupling between instrument box and the master switch case.
As a further technical solution of the present invention: first hinge mechanism includes master switch box hinge joint and master switch box hinge joint card hole, master switch box hinge joint is installed on master switch box upper cover, master switch box hinge joint card hole is installed on master switch box base and is cooperateed with master switch box hinge joint, master switch box gas vent has been seted up on the master switch box hinge joint, master switch box base is kept away from master switch box hinge card hole one side and is installed master switch box fore shaft.
As a further technical solution of the present invention: the meter box comprises an upper meter box cover and a meter box base matched with the upper meter box cover, the upper meter box cover is connected with the meter box base through a second hinge mechanism, the upper meter box cover is provided with a plurality of transparent windows and a household switch flip cover, a plurality of wire clamping grooves are installed at the bottom of the meter box base, a plurality of household pre-buried copper bars are installed in the meter box base, a plurality of household electric meter plugging cylindrical holes are installed on the household pre-buried copper bars, the household pre-buried copper bars are connected with a main switch module through household copper bar switch connectors, household pre-buried copper bar covers are installed outside the household pre-buried copper bars, household electric meter connectors are installed on the household pre-buried copper bar covers, the household electric meter connectors are fixedly connected with the household pre-buried copper bar covers through connector screws, and household electric meter connector flip covers are installed outside the household electric meter connectors, the pre-buried copper bar of branch family covers and has seted up power parallel hole, install power parallel line in the power parallel hole, instrument box outlet has been seted up to instrument box base upper end, instrument box outlet inboard install with instrument box base fixed connection's instrument box outlet lid, install the instrument box connecting piece of being qualified for the next round of competitions in the instrument box outlet.
As the utility model discloses a further technical scheme again: second hinge mechanism includes instrument box hinge card hole and instrument box hinge head, instrument box hinge card hole sets up and covers on the instrument box, instrument box hinge head sets up on the instrument box base, the instrument box gas vent has been seted up on the instrument box hinge head, instrument box base is kept away from instrument box hinge head one side and is installed the instrument box fore shaft, cover on the instrument box and install with instrument box fore shaft matched with fore shaft accessory.
As the utility model discloses a further technical scheme again: the instrument box comprises a main switch box base, an instrument box base and a mounting support, wherein the main switch box base is fixedly provided with the mounting support, and the instrument box base is fixedly connected with the mounting support through a mounting screw.
As the utility model discloses a further technical scheme again: public female bayonet socket includes that the master switch box connects public mouthful and rather than matched with instrument box and connects female mouthful, the master switch box is connected public mouthful and is installed in one side of keeping away from master switch hinge card hole at master switch box base, instrument box connects female mouthful and installs on instrument box base.
As the utility model discloses a further technical scheme again: waterproof grooves are formed in the periphery of the instrument box base, and sealing strips and magnets are installed in the waterproof grooves.
Compared with the prior art, the beneficial effects of the utility model are that: the ammeter is connected with the modularized connector, then the ammeter is pressed into the copper bar cover to achieve conduction with the copper bar, then the connector is covered with the connector flip cover for fixation, and compared with the traditional wiring installation ammeter, the front-back pressing installation mode has the advantages of better safety, economy and easiness in operation and maintenance, and can better meet the requirement of intensive electricity utilization management; the distribution wire is changed into a pre-buried copper bar mode, namely, the main switch, the electric energy meter and the meter rear switch are connected by the pre-buried copper bar, so that the wiring of the metering box is more standard and standard, the standardized production of the wiring of the metering box is convenient to realize, the production efficiency and the quality are improved, and the safety in operation is improved; due to the adoption of the pre-buried copper bar and the vertical splicing mode, the volume of the multi-epitope metering box can be reduced by 20 percent, and the weight is reduced by more than 25 percent; because raw materials are reduced, the efficiency and the quality are improved through standardized production, the cost of the metering box is reduced by more than 10%, the production cost of the product is greatly reduced, and the economic efficiency is good; in addition, after the modular design is adopted, the volume of the metering box is reduced, the weight is reduced, and the loading, unloading, transportation and field installation are facilitated; the single-phase multi-meter-position electric meter box with relatively large volume adopts a wall-mounted mounting mode, namely a metering box bracket is firstly mounted and fixed, and then the metering box is hung on the bracket for fixing, so that the field mounting work of the metering box is simple and easy; the meter replacing function is achieved without power outage, and through special circuit design, the single-phase and three-phase electric energy meters achieve the replacement function without power outage, namely, power utilization continuity of customers is guaranteed without power outage in the replacement process of the electric energy meters, and efficiency in actual operation and maintenance work can be improved.
Drawings
FIG. 1 is a schematic structural diagram of a copper bar pre-embedded type low-voltage single-phase multi-epitope electric energy metering box;
FIG. 2 is a cross-sectional view of a base of a master switch box in a copper bar pre-embedded type low-voltage single-phase multi-epitope electric energy metering box;
FIG. 3 is a schematic structural diagram of a main switch module in a copper bar pre-embedded type low-voltage single-phase multi-epitope electric energy metering box;
FIG. 4 is a schematic structural diagram of a first hinge mechanism in a copper bar pre-embedded type low-voltage single-phase multi-epitope electric energy metering box;
FIG. 5 is a schematic structural diagram of an instrument box in a copper bar pre-embedded type low-voltage single-phase multi-epitope electric energy metering box;
FIG. 6 is a front view of an instrument box base in the copper bar pre-embedded type low-voltage single-phase multi-epitope electric energy metering box;
FIG. 7 is a top view of an instrument box base in the copper bar pre-embedded type low-voltage single-phase multi-epitope electric energy metering box;
fig. 8 is a schematic structural diagram of a household pre-buried copper bar in a copper bar pre-buried low-voltage single-phase multi-epitope electric energy metering box;
fig. 9 is a schematic structural diagram of an installation support in a copper bar pre-embedded type low-voltage single-phase multi-epitope electric energy metering box.
In the figure: 1-main switch box upper cover, 2-main switch box base, 3-main wire guide port, 4-main wire cover, 5-main switch module, 6-main switch box pre-embedded live wire copper bar, 7-main switch box pre-embedded zero wire copper bar, 8-pre-embedded live wire copper bar cover, 9-pre-embedded zero wire copper bar cover, 10-main switch box exhaust port, 11-main switch box hinge head, 12-main switch box hinge clamping hole, 13-main switch box connecting male port, 14-main switch box locking port, 15-instrument box upper cover, 16-transparent window, 17-household switch flip cover, 18-instrument box base, 19-instrument box locking port, 20-locking port accessory, 21-waterproof groove, 22-sealing strip, 23-magnet, 24-instrument box hinge clamping hole, 25-meter box hinge head, 26-meter box exhaust port, 27-household pre-buried copper bar, 28-household pre-buried copper bar cover, 29-household electric meter connector, 30-connector screw, 31-household electric meter plug cylindrical hole, 32-household electric meter connector flip cover, 33-household copper bar switch connector, 34-power supply parallel connection hole, 35-power supply parallel connection line, 36-wire clamping groove, 37-meter box connecting female port, 38-meter box outlet port, 39-meter box outlet cover, 40-meter box outlet line connector, 41-mounting screw and 42-mounting support.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
The copper bar pre-embedded type low-voltage single-phase multi-epitope electric energy metering box comprises a main switch box, wherein an instrument box is installed in the main switch box, the main switch box comprises a main switch box upper cover 1 and a main switch box base 2 matched with the main switch box upper cover, the main switch box upper cover 1 is connected with the main switch box base 2 through a first hinge mechanism, specifically, the first hinge mechanism comprises a main switch box hinge head 11 and a main switch box hinge clamping hole 12, the main switch box hinge head 11 is installed on the main switch box upper cover 1, the main switch box hinge clamping hole 12 is installed on the main switch box base 2 and matched with the main switch box hinge head 11, a main switch box exhaust port 10 is formed in the main switch box hinge head 11, a main switch box locking port 14 is installed on one side, far away from the main switch box hinge clamping hole 12, of the main switch box base 2, namely, the main switch box hinge head 11 is matched with the main switch box hinge clamping hole 12 to realize that the main switch box locking port 14 is matched with the main switch box locking port 14 The upper cover 1 and the base 2 of the main switch box can be opened or closed; a main wire port 3 is arranged on the main switch box base 2, a bus clamping plate and a bus buckle 4 are fixedly arranged in the main switch box base 2, a main switch module 5 is arranged between the bus snap-gauge and the bus buckle 4 and the main switch box base 2, the main switch module 5 is provided with a main switch box pre-embedded fire wire copper bar 6 and a main switch box pre-embedded zero line copper bar 7, the embedded fire wire copper bar cover is arranged outside the embedded fire wire copper bar 6 of the main switch box, the embedded zero line copper bar cover 9 is arranged outside the embedded zero line copper bar 7 of the main switch box, the instrument box is connected with the main switch box through a male bayonet and a female bayonet, adopt pre-buried copper bar mode to the distribution wire in the master switch box promptly, make batch meter wiring more standard and standard, conveniently realize batch meter wiring standardized production, improve production efficiency and quality, improved security in the operation.
Further, the instrument box comprises an instrument box upper cover 15 and an instrument box base 18 matched with the instrument box upper cover 15, the instrument box upper cover 15 is connected with the instrument box base 18 through a second hinge mechanism, a plurality of transparent windows 16 and a household switch flip cover 17 are arranged on the instrument box upper cover 15, a plurality of wire clamping grooves 36 are arranged at the bottom of the instrument box base 18, a plurality of household pre-embedded copper bars 27 are arranged in the instrument box base 18, a plurality of household electric meter plugging cylindrical holes 31 are arranged on the household pre-embedded copper bars 27, the household pre-embedded copper bars 27 are connected with a main switch module 5 through a household copper bar switch connector 33, household pre-embedded copper bar covers 28 are arranged outside the household pre-embedded copper bars 27, household electric meter connectors 29 are arranged on the household pre-embedded copper bar covers 28, the household electric meter connectors 29 are fixedly connected with the household pre-embedded copper bar covers 28 through connector screws, the household electric meter connector flip cover 32 is mounted outside the household electric meter connector 29, a power supply parallel hole 34 is formed in the household embedded copper bar cover 28, a power supply parallel line 35 is mounted in the power supply parallel hole 34, a special power supply is used and connected through the power supply parallel line 35 to achieve uninterrupted electric meter replacement under a parallel connection environment, an instrument box outlet 38 is formed in the upper end of the instrument box base 18, an instrument box outlet cover 39 fixedly connected with the instrument box base 18 is mounted on the inner side of the instrument box outlet 38, an instrument box outlet connecting piece 40 is mounted in the instrument box outlet 38, namely, the distribution wires in the instrument box are also inserted in an embedded copper bar mode and are matched with a main switch box to be vertically inserted, so that the volume of the multi-epitope metering box is reduced by 20%, and the weight of the multi-epitope metering box is reduced by more than 25%; because raw materials are reduced, the efficiency and the quality are improved through standardized production, the cost of the metering box is reduced by more than 10%, the production cost of products is greatly reduced, and the economic efficiency is good.
Further, second hinge mechanisms includes instrument box hinge card hole 24 and instrument box hinge head 25, instrument box hinge card hole 24 sets up on instrument box upper cover 15, instrument box hinge head 25 sets up on instrument box base 18, instrument box gas vent 26 has been seted up on the instrument box hinge head 25, instrument box base 18 is kept away from instrument box hinge head 25 one side and is installed instrument box fore shaft 19, install on the instrument box upper cover 15 with instrument box fore shaft 19 matched with fore shaft accessory 20, through instrument box fore shaft 19, fore shaft accessory 20 and instrument box hinge card hole 24, instrument box hinge head 25 cooperation promptly, realize that the switch of instrument box is locked.
Further, for the convenience is pegged graft the installation to the instrument box, fixed mounting has installing support 42 in the master switch box base 2, instrument box base 18 is through installation screw 41 and installing support 42 fixed connection, in addition, public female bayonet socket includes that the master switch box connects public mouthful 13 and rather than matched with instrument box and connects female mouthful 37, public mouthful 13 is connected to the master switch box and is installed in one side of keeping away from master switch hinge card hole 12 at master switch box base 2, female mouthful 37 is connected to the instrument box and installs on instrument box base 18, connects public mouthful 13 and is connected female mouthful 37 cooperation improvement grafting stability with the instrument box through the master switch box promptly.
Example 2
This embodiment further optimizes on embodiment 1's basis, the waterproof groove 21 has been seted up all around to instrument box base 18, install sealing strip 22 and magnet 23 in the waterproof groove 21, carry out the water repellent of junction promptly through setting up waterproof groove 21 cooperation sealing strip 22, improve the power consumption safety, magnet 23 can conveniently connect in addition.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a single-phase many epitopes electric-energy metering box of pre-buried formula low pressure of copper bar, includes the master switch box, install instrument box, its characterized in that in the master switch box: the main switch box comprises a main switch box upper cover (1) and a main switch box base (2) matched with the main switch box upper cover, the main switch box upper cover (1) is connected with the main switch box base (2) through a first hinge mechanism, a main wire port (3) is formed in the main switch box base (2), a main switch clamping plate and a main wire buckle (4) are fixedly installed in the main switch box base (2), a main switch module (5) is installed between the main switch clamping plate and the main switch box base (4) and the main switch box base (2), a main switch box pre-buried live wire copper bar (6) and a main switch box pre-buried null line copper bar (7) are installed on the main switch module (5), a pre-buried live wire copper bar cover is installed on the outer portion of the main switch box pre-buried live wire copper bar (6), a pre-buried null line copper bar cover (9) is installed on the outer portion of the main switch box pre-buried null line copper bar (7), the instrument box is connected with the main switch box through a male bayonet and a female bayonet.
2. The copper bar pre-embedded type low-voltage single-phase multi-epitope electric energy metering box of claim 1, which is characterized in that: first hinge mechanism includes master switch box hinge head (11) and master switch box hinge card hole (12), install on master switch box upper cover (1) master switch box hinge head (11), master switch box hinge card hole (12) are installed on master switch box base (2) and are cooperateed with master switch box hinge head (11), master switch box gas vent (10) have been seted up on master switch box hinge head (11), master switch box base (2) are kept away from master switch box hinge card hole (12) one side and are installed master switch box fore shaft (14).
3. The copper bar pre-embedded type low-voltage single-phase multi-epitope electric energy metering box of claim 2, which is characterized in that: the meter box comprises a meter box upper cover (15) and a meter box base (18) matched with the meter box upper cover, the meter box upper cover (15) is connected with the meter box base (18) through a second hinge mechanism, a plurality of transparent windows (16) and household switch flip covers (17) are arranged on the meter box upper cover (15), a plurality of wire clamping grooves (36) are arranged at the bottom of the meter box base (18), a plurality of household pre-buried copper bars (27) are arranged in the meter box base (18), a plurality of household electric meters are arranged on the household pre-buried copper bars (27) and are connected with cylindrical holes (31), the household pre-buried copper bars (27) are connected with a main switch module (5) through household copper bar switch connectors (33), household pre-buried copper bar covers (28) are arranged outside the household pre-buried copper bars (27), and household electric meters (29) are arranged on the household pre-buried copper bar covers (28), branch family's ammeter connector (29) are through connector screw and the pre-buried copper bar lid of branch family (28) fixed connection, branch family's ammeter connector (29) externally mounted has branch family's ammeter connector flip (32), power parallel hole (34) have been seted up on the pre-buried copper bar lid of branch family (28), install power parallel line (35) in power parallel hole (34), instrument box outlet (38) have been seted up to instrument box base (18) upper end, instrument box outlet (38) inboard install with instrument box base (18) fixed connection's instrument box outlet cover (39), install instrument box outlet connector (40) in instrument box outlet (38).
4. The copper bar pre-embedded type low-voltage single-phase multi-epitope electric energy metering box of claim 3, which is characterized in that: second hinge mechanisms includes instrument box hinge card hole (24) and instrument box hinge head (25), instrument box hinge card hole (24) set up on instrument box upper cover (15), instrument box hinge head (25) set up on instrument box base (18), instrument box gas vent (26) have been seted up on instrument box hinge head (25), instrument box base (18) are kept away from instrument box hinge head (25) one side and are installed instrument box fore shaft (19), install on instrument box upper cover (15) with instrument box fore shaft (19) matched with fore shaft accessory (20).
5. The copper bar pre-embedded type low-voltage single-phase multi-epitope electric energy metering box of claim 3, which is characterized in that: the instrument box is characterized in that a mounting support (42) is fixedly mounted in the main switch box base (2), and the instrument box base (18) is fixedly connected with the mounting support (42) through a mounting screw (41).
6. The copper bar pre-embedded type low-voltage single-phase multi-epitope electric energy metering box of claim 3, which is characterized in that: public female bayonet socket includes that master switch box connects public mouthful (13) and connects female mouthful (37) rather than matched with instrument box, master switch box connects public mouthful (13) and installs the one side of keeping away from master switch box hinge card hole (12) in master switch box base (2), instrument box connects female mouthful (37) and installs on instrument box base (18).
7. The copper bar pre-embedded type low-voltage single-phase multi-epitope electric energy metering box of claim 3, which is characterized in that: waterproof grooves (21) are formed in the periphery of the instrument box base (18), and sealing strips (22) and magnets (23) are installed in the waterproof grooves (21).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020223845164 | 2020-10-23 | ||
| CN202022384516 | 2020-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214673692U true CN214673692U (en) | 2021-11-09 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023104421.9U Active CN214673692U (en) | 2020-10-23 | 2020-12-22 | Copper bar pre-buried type low-voltage single-phase multi-meter-position electric energy metering box |
| CN202011523604.6A Pending CN112838494A (en) | 2020-10-23 | 2020-12-22 | Copper bar pre-buried type low-voltage single-phase multi-meter-position electric energy metering box |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011523604.6A Pending CN112838494A (en) | 2020-10-23 | 2020-12-22 | Copper bar pre-buried type low-voltage single-phase multi-meter-position electric energy metering box |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN214673692U (en) |
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2020
- 2020-12-22 CN CN202023104421.9U patent/CN214673692U/en active Active
- 2020-12-22 CN CN202011523604.6A patent/CN112838494A/en active Pending
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| CN112838494A (en) | 2021-05-25 |
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