CN103116051A - Pluggable electric meter box - Google Patents

Pluggable electric meter box Download PDF

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Publication number
CN103116051A
CN103116051A CN2013100727929A CN201310072792A CN103116051A CN 103116051 A CN103116051 A CN 103116051A CN 2013100727929 A CN2013100727929 A CN 2013100727929A CN 201310072792 A CN201310072792 A CN 201310072792A CN 103116051 A CN103116051 A CN 103116051A
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CN
China
Prior art keywords
plug
electric energy
energy meter
installing plate
base
Prior art date
Application number
CN2013100727929A
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Chinese (zh)
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CN103116051B (en
Inventor
朱学东
朱济远
朱忠培
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华威博奥电力设备有限公司
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Priority to CN201310072792.9A priority Critical patent/CN103116051B/en
Publication of CN103116051A publication Critical patent/CN103116051A/en
Application granted granted Critical
Publication of CN103116051B publication Critical patent/CN103116051B/en

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Abstract

The invention discloses and provides a pluggable electric meter box which comprises a base, an installing plate, an electric energy meter, a housing and a rear-meter circuit breaker. The housing is buckled on the base; the electric energy meter is arranged on the upper portion of the base; the installing plate which is fixed with the rear-meter circuit breaker is arranged on the base through a supporting boss; the rear-meter circuit breaker is connected with a line outgoing port of the electric energy meter in an inserting mode through a first pluggable connector; the bilateral sides of the rear-meter circuit breaker is respectively provided with a group of combined terminals and every combined terminal comprises an L-shaped conductive body; the external side of the upper end of a vertical portion is provided with a second pluggable connector which is connected with a line incoming port of the electric energy meter in an inserting mode; the right end of a horizontal portion is provided with a line incoming clamp and the lower side of the left end of the horizontal portion is provided with parallel connecting holes; one side of the base is provided with parallel connecting line perforations; and two parallel connecting outgoing lines are arranged under the installing plate in a parallel mode. The pluggable electric meter box has the advantages that the assembling is convenient, the cost is low, the connection of electric power measurement is accurate, simple and convenient, and the reliability of the connection of the electric power measurement is high.

Description

The plug-in ammeter box
Technical field
The present invention relates to a kind of electric energy metering box, relate in particular to a kind of plug-in ammeter box.
Background technology
Owing to connecting in the ordinary electric meter case, the connection node is more, and accident potential is just more, and potential safety hazard is also larger.At present, electric energy meter plug combined type module be mainly used in city and and the grange community register one's residence with the connection of outer branch cable, the protection module of electric energy metrical and scheduling.Module is established electric energy meter, the rear switch of table, terminals of a unit block etc.The electric energy meter plug-in type is installed, and exempts from instrument; Between inner member, connected node is few, clean and tidy, stable, reliable; Structure is simplified, and modular design can be expanded in order; Be electrically connected to reliably, promote Electrical Safety, the equipment of realizing is non-maintaining for a long time; Without exposed fastener and lock piece, effectively contain on-the-spot stealing; Low-carbon (LC), energy consumption is effectively lowered in environmental protection.
Chinese patent Granted publication number: CN 201811984 U, on 04 27th, 2011 Granted publication day, a kind of ammeter box is disclosed, described ammeter box comprises ammeter box main body, switch, the electric energy meter assembled mutually with described ammeter box main body; Described electric energy meter has two the first jacks that coordinate with two the first connection-pegs of described switch, after two the first connection-pegs of described switch and described electric energy meter two the first jacks are pegged graft, realizes being electrically connected to of described switch and described electric energy meter; Or described electric energy meter has two the first connection-pegs that coordinate with two the first jacks of described switch, after two the first connection-pegs of described electric energy meter and described switch two the first jacks are pegged graft, realize being electrically connected to of described switch and described electric energy meter.But it only has been to provide pluggable mode, and the plug joint that pluggable mode is used is also a kind of technology of generally using.Also have it to solve and how to be installed into outlet and how each module splices.
Summary of the invention
The present invention is in order to overcome deficiency of the prior art, provides a kind of easy to assembly, with low cost, the high a kind of plug-in ammeter box of accurate easy reliability that electric energy metrical connects.
To achieve these goals, the present invention is by the following technical solutions:
A kind of plug-in ammeter box of the present invention, comprise base, installing plate, electric energy meter, housing, isolating switch after table, described housing is buckled on base, described electric energy meter is arranged at the top of base, the bottom of described base is provided with some support rims, installing plate is arranged on base by described support rim, form gap between installing plate and base, be fixed with the rear isolating switch of table on described installing plate, after described table, isolating switch is pegged graft by the outlet port of the first plug joint and electric energy meter, after described table, the isolating switch both sides respectively are provided with respectively one group of terminals of a unit block, described terminals of a unit block comprises a L-shaped conductive bodies, described conductive bodies comprises vertical portion and the horizontally disposed horizontal part of vertical setting, the outside, upper end, vertical portion is provided with the second plug joint, the inlet wire port of described the second plug joint and electric energy meter is pegged graft, the right-hand member of described horizontal part is provided with the inlet wire folder, described horizontal part left end downside is provided with and connects hole, described installing plate be provided with and connect through hole corresponding to hole, one side of described base is provided with and the wiring perforation, be provided with two and leading-out wire in described installing plate parallel beneath, described and leading-out wire one end and described and connect hole and join, and the leading-out wire other end extends to along the space between installing plate and base after through the through hole on installing plate and the wiring perforation and from and the wiring perforation draw.Be provided with and connect hole at horizontal part left end downside, installing plate be provided with and connect through hole corresponding to hole, when being in the multi-user, just can be respectively and connect hole and connect and leading-out wire, and, because the bottom of base is provided with some support rims, installing plate is arranged on base by support rim, between installing plate and base, form gap, just make installing plate that inlet wire and outlet is separated, not there will be the coiling intersection to improve greatly safety coefficient.Article two, and leading-out wire be arranged in parallel, prevent that zero live wire is staggered and cause short circuit phenomenon, improved safety coefficient.The rear isolating switch of table is pegged graft by the outlet port of the first plug joint and electric energy meter, and the accurate easy reliability of convenient connection is high.Part at inlet wire is provided with terminals of a unit block, by this module of terminals of a unit block, carrys out wiring, succinct convenient simultaneously safe.The conductive bodies of terminals of a unit block is L-shaped, conductive bodies comprises vertical portion and the horizontally disposed horizontal part of vertical setting, the outside, upper end, vertical portion is provided with the second plug joint, the inlet wire port of the second plug joint and electric energy meter is pegged graft, the right-hand member of horizontal part is provided with the inlet wire folder, horizontal part left end downside is provided with and connects hole, the installing plate parallel beneath is provided with two and leading-out wire, and leading-out wire one end and described and connect hole and join, and the leading-out wire other end extends to along the space between installing plate and base after through the through hole on installing plate and the wiring perforation and from and the wiring perforation draw, inlet wire is with also leading-out wire is separated from space by L shaped conductive bodies, making can not disturb each other makes connection precisely easy to be reliable.One side of base is provided with and wiring perforation, be convenient to by and leading-out wire from the space between installing plate and base, pick out.In the wiring part of inlet wire, the right-hand member of horizontal part is provided with inlet wire folder, has shell inlet wire folder will avoid the connecting interface of inlet wire to leak outside, the safety coefficient that improved of the electric leakage accident that prevents from getting an electric shock.
As preferably, the horizontal central line of the horizontal part of described conductive bodies departs from the vertical center line of vertical portion, in described vertical portion, is provided with standby hole.The horizontal central line of the horizontal part of conductive bodies departs from the vertical center line of vertical portion, increased the line interface and and connect the distance in hole, improved safety coefficient, also be convenient to heat radiation simultaneously.Be provided with standby hole in vertical portion, just can be by the wiring of standby hole when ammeter box needs with other table case parallel connections.
As preferably, after described table, the isolating switch both sides are respectively equipped with lug boss, form deep gouge on described lug boss, described deep gouge is formed with breach away from a side of electric energy meter, the horizontal part of described conductive bodies is embedded in deep gouge, the inlet wire of described breach and conductive bodies horizontal part right-hand member folder matches, described with and connect the bottom of through hole corresponding to hole corresponding to described deep gouge, be provided with louvre in described deep gouge.By deep gouge is set, can play to L shaped conductive bodies the effect of an insulation, prevent that electric leakage from improving safety coefficient, simultaneously again can be so that the outlet of inlet wire and isolating switch after table, in different planes, not there will be the phenomenon of the intersection that winds the line greatly to improve safety coefficient, deep gouge is formed with breach away from a side of electric energy meter, the inlet wire folder of breach and conductive bodies horizontal part right-hand member matches, can inlet wire is clamping on the breach, when preventing wiring, the joint of the wiring high safety factor that leaks outside.Be provided with louvre in order to improve safety coefficient in deep gouge, be convenient to better heat radiation.
As preferably, the xsect of described conductive bodies is rectangle.The xsect of conductive bodies is that rectangle is convenient to, at horizontal part and vertical portion, threaded hole is set, and facilitates conductive bodies is fixed in deep gouge simultaneously.
As preferably, described horizontal part right-hand member is provided with the rectangle convex body, and described inlet wire sandwiched is placed on the rectangle convex body.When the inlet wire wiring, by screw by inlet wire crimping between cuboid and inlet wire folder.
As preferably, the eccentric external member that described the first plug joint comprises connection-peg and is connected with connection-peg, described eccentric external member comprises body, and described body one end is provided with threaded hole, and the other end is provided with eccentric rectangular strip .eccentric rectangular strip can increase the spacing between the first plug joint, is convenient to heat radiation, improves safety coefficient.
As preferably, described the first plug joint comprises connection-peg and eccentric rectangular strip, and described connection-peg is connected by lengthening part with eccentric rectangular strip.Connection-peg is connected by lengthening part with eccentric rectangular strip, is convenient to heat radiation, improves safety coefficient.
As preferably, described the second plug joint comprises connection-peg and the jointing be connected with connection-peg, the inlet wire port grafting of described connection-peg and electric energy meter, and the threaded hole that described jointing is provided with on external thread and vertical portion is threaded connection.
As preferably, described electric energy meter also is connected with isolating switch after table by contact, described contact comprises contact front end and the line of induction be connected with the contact front end, be provided with built-in spring between described contact front end and the line of induction, the contact front end is arranged with the contact cover outward, the described line of induction is arranged with rear end cap outward, and described contact front end is connected with electric energy meter, and the line of induction one end and the contact front end other end that joins is connected with isolating switch after table.Electric energy meter also is connected with isolating switch after table by contact, can play a part electric energy meter is played to protection, and when the electric current of access is excessive, contact can trigger, and makes circuit breaker trip.Be provided with the effect that degree of freedom that built-in spring can promote the contact front end plays protection between contact front end and the line of induction, the contact front end is arranged with the contact cover outward, and the line of induction is arranged with rear end cap outward, can play the effect of insulation protection.
As preferably, described housing comprises and is buckled in the outer upper shell of electric energy meter and is buckled in the lower house on installing plate, the lower end dual-side of described upper shell is respectively equipped with the first groove, and the upper end dual-side of described lower casing is respectively equipped with second concave surface that can engage with the first concave surface.The second concave surface that the first concave surface of the both sides, lower end of upper shell and lower casing upper end dual-side are provided with, can play the effect of airtight waterproof effect.
As preferably, described upper shell comprises the baffle plate of both sides, the outside, baffle plate upper end is respectively equipped with groove, described cover is articulated in respectively in groove by rotating shaft, be respectively equipped with the first convex body on described cover and locking edge baffle plate, on the locking edge of described baffle plate and cover, be respectively equipped with second convex body that can engage with the first convex body.Be provided with the form lid at upper shell, the convenient form lid of opening when needs are checked electric energy meter is checked and verify and is looked record.The effect that can play the airtight waterproof effect that engages by the first convex body with the second convex body.
As preferably, after the corresponding table of described lower house, circuit breaker position is provided with window, and both sides, described window upper end are respectively equipped with groove, and described groove is hinged with lid switch by rotating shaft respectively.Lid switch is convenient when needs are to the electric current maintenance, by opening lid switch, cuts off isolating switch.
Therefore, the present invention has following beneficial effect: easy to assembly, with low cost, the accurate easy reliability that electric energy metrical connects is high.
The accompanying drawing explanation
Fig. 1 is mounting plates structure schematic diagram of the present invention;
Fig. 2 is structure of contact terminal schematic diagram of the present invention;
Fig. 3 is terminals of a unit block structural representation of the present invention;
Fig. 4 is conductive bodies structural representation of the present invention;
Fig. 5 is understructure schematic diagram of the present invention;
Fig. 6 is convex structure schematic diagram of the present invention;
Fig. 7 is terminals of a unit block scheme of installation of the present invention;
Fig. 8 is plug-in ammeter box structure schematic diagram of the present invention;
Fig. 9 is the present invention's the first plug joint design schematic diagram;
Figure 10 is the scheme of installation of the present invention's the first plug joint.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Embodiment: as shown in Figure 5, Figure 8, a kind of plug-in ammeter box, comprise isolating switch 7 after base 1, installing plate 2, electric energy meter 8, housing, table, housing comprises and is buckled in the outer upper shell of electric energy meter 8 and is buckled in the lower house on installing plate 2, the lower end dual-side of upper shell is respectively equipped with the first concave surface 32, and the upper end dual-side of lower casing is respectively equipped with second concave surface 51 that can engage with the first concave surface 32.Upper shell comprises the baffle plate 3 of both sides, and baffle plate 3 outsides, upper end are respectively equipped with groove, and groove is hinged with cover 4 by rotating shaft 4 respectively.Be respectively equipped with the first convex body 41 on cover 4 and locking edge baffle plate 3, on the locking edge of baffle plate 3 and cover 4, be respectively equipped with second convex body 31 that can engage with the first convex body 41.After the corresponding table of lower house 5, isolating switch 7 positions are provided with window, and both sides, window upper end are respectively equipped with groove, and groove is hinged with lid switch 6 by rotating shaft respectively.As shown in Fig. 1, Fig. 5, Fig. 8, the bottom of base 1 is provided with some support rims 21, installing plate 2 is arranged on base 1 by support rim 21, form gap between installing plate 2 and base 1, be fixed with the rear isolating switch 7 of table on installing plate 2, after table, isolating switch 7 is by the outlet port grafting of the first plug joint and electric energy meter 8.As Fig. 1, Fig. 3, shown in Fig. 4, terminals of a unit block comprises a L-shaped conductive bodies 9, conductive bodies 9 comprises vertical portion and the horizontally disposed horizontal part of vertical setting, the outside, upper end, vertical portion is provided with the second plug joint, the inlet wire port of the second plug joint and electric energy meter is pegged graft, the right-hand member of horizontal part is provided with inlet wire folder 95, horizontal part left end downside is provided with and connects hole 92, installing plate 2 be provided with and connect through hole corresponding to hole, one side of base 1 is provided with and wiring perforation 13, installing plate 2 parallel beneath are provided with two and leading-out wire, and leading-out wire one end with and connect hole 92 and join, and the leading-out wire other end extends to along the space between installing plate 2 and base 1 after through the through hole on installing plate 2 and the wiring perforation and from and wiring bore a hole and 13 draw.The structure of conductive bodies can also depart from for the horizontal central line of horizontal part the vertical center line of vertical portion, is provided with standby hole 96 in vertical portion.As shown in Figure 6, Figure 7, after table, isolating switch 7 both sides are respectively equipped with lug boss 22, form deep gouge 221 on lug boss 22, deep gouge 221 is formed with breach 222 away from a side of electric energy meter, the horizontal part of conductive bodies 9 is embedded in deep gouge 221, breach 222 matches with the inlet wire folder 95 of conductive bodies 9 horizontal part right-hand members, with and connect the bottom of through hole corresponding to hole 92 corresponding to described deep gouge 221.As described in Figure 10, be provided with louvre in deep gouge 221.As shown in Figure 9, the first plug joint comprises connection-peg 141 and the eccentric external member 1 be connected with connection-peg 141, and eccentric external member comprises body 142, and body 142 1 ends are provided with threaded hole, and the other end is provided with eccentric rectangular strip 143.As shown in figure 10, the first plug joint can also be for comprising connection-peg 141 and eccentric rectangular strip 143, and described connection-peg is connected by lengthening part 144 with eccentric rectangular strip.As shown in Figure 3, Figure 4, the second plug joint comprises connection-peg 151 and the jointing 152 be connected with connection-peg 151, connection-peg 151 is pegged graft with the inlet wire port of electric energy meter 8, and the threaded hole 92 that jointing 152 is provided with on external thread and vertical portion is threaded connection.As shown in Fig. 2, Fig. 5, Fig. 8, electric energy meter 8 also is connected with isolating switch 7 after table by contact 12, contact 12 comprises contact front end 122 and the line of induction be connected with the contact front end, be provided with built-in spring 123 between contact front end 122 and the line of induction, the outer contact cover 121 that is arranged with of contact front end 122, the line of induction is arranged with rear end cap 124 outward, and contact front end 122 is connected with electric energy meter 7, and the line of induction one end and contact front end 122 other end that joins is connected with isolating switch 7 after table.
When mounted: as shown in Figure 1, electric energy meter 8 is fixed on base 2 by screw, installing plate 2 is by the unsettled bottom that is arranged at base 1 of support rim 21, fixed with installing plate 2 by base 1 with screw, and after showing, isolating switch 7 snaps on guide rail 71.As shown in Figure 3, Figure 4, the jointing of the second plug joint 152 is screwed in respectively to the threaded hole 91 of two cover terminals of a unit block interior fastening.Again two inlet wire folders 95 are placed on the rectangle convex body 94 of two cover terminals of a unit block.As shown in Figure 9, Figure 10,143 of the eccentric rectangular strips of two first plug joints being inserted to screwing screw in the mounting hole of showing rear isolating switch 7 gets final product.
When wiring: as shown in Fig. 3, Fig. 4 Fig. 9, Figure 10, with crossing screw, inlet wire 16 is pressed respectively and is clipped between rectangle convex body 94 and inlet wire folder 95, the connection-peg 151 of two second plug joints and the inlet wire port of electric energy meter 8 are pegged graft, the connection-peg 141 of two first plug joints and the outlet terminal of electric energy meter 8 are pegged graft.
When multi-user wiring: as shown in Fig. 1, Fig. 3, Fig. 4, by and leading-out wire pressed from both sides for 95 parallel with one another connections with the inlet wire of adjacent plug-in ammeter box.

Claims (12)

1. a plug-in ammeter box, comprise base, installing plate, electric energy meter, housing, isolating switch after table, described housing is buckled on base, described electric energy meter is arranged at the top of base, it is characterized in that: the bottom of described base is provided with some support rims, installing plate is arranged on base by described support rim, form gap between installing plate and base, be fixed with the rear isolating switch of table on described installing plate, after described table, isolating switch is pegged graft by the outlet port of the first plug joint and electric energy meter, after described table, the isolating switch both sides respectively are provided with respectively one group of terminals of a unit block, described terminals of a unit block comprises a L-shaped conductive bodies, described conductive bodies comprises vertical portion and the horizontally disposed horizontal part of vertical setting, the outside, upper end, vertical portion is provided with the second plug joint, the inlet wire port of described the second plug joint and electric energy meter is pegged graft, the right-hand member of described horizontal part is provided with the inlet wire folder, described horizontal part left end downside is provided with and connects hole, described installing plate be provided with and connect through hole corresponding to hole, one side of described base is provided with and the wiring perforation, be provided with two and leading-out wire in described installing plate parallel beneath, described and leading-out wire one end and described and connect hole and join, and the leading-out wire other end extends to along the space between installing plate and base after through the through hole on installing plate and the wiring perforation and from and the wiring perforation draw.
2. plug-in ammeter box according to claim 1, it is characterized in that: the horizontal central line of the horizontal part of described conductive bodies departs from the vertical center line of vertical portion, in described vertical portion, is provided with standby hole.
3. plug-in ammeter box according to claim 1 and 2, it is characterized in that: after described table, the isolating switch both sides are respectively equipped with lug boss, form deep gouge on described lug boss, described deep gouge is formed with breach away from a side of electric energy meter, the horizontal part of described conductive bodies is embedded in deep gouge, the inlet wire of described breach and conductive bodies horizontal part right-hand member folder matches, described with and connect the bottom of through hole corresponding to hole corresponding to described deep gouge, be provided with louvre in described deep gouge.
4. plug-in ammeter box according to claim 1 and 2, it is characterized in that: the xsect of described conductive bodies is rectangle.
5. plug-in ammeter box according to claim 1 and 2, it is characterized in that: described horizontal part right-hand member is provided with the rectangle convex body, and described inlet wire sandwiched is placed on the rectangle convex body.
6. plug-in ammeter box according to claim 1 and 2, it is characterized in that: the eccentric external member that described the first plug joint comprises connection-peg and is connected with connection-peg, described eccentric external member comprises body, and described body one end is provided with threaded hole, and the other end is provided with eccentric rectangular strip.
7. plug-in ammeter box according to claim 1 and 2 is characterized in that: described the first plug joint comprises connection-peg and eccentric rectangular strip, and described connection-peg is connected by lengthening part with eccentric rectangular strip.
8. plug-in ammeter box according to claim 1 and 2, it is characterized in that: described the second plug joint comprises connection-peg and the jointing be connected with connection-peg, the inlet wire port of described connection-peg and electric energy meter is pegged graft, and the threaded hole that described jointing is provided with on external thread and vertical portion is threaded connection.
9. according to claim 1 or 2 or described plug-in ammeter box, it is characterized in that: described electric energy meter also is connected with isolating switch after table by contact, described contact comprises contact front end and the line of induction be connected with the contact front end, be provided with built-in spring between described contact front end and the line of induction, the contact front end is arranged with the contact cover outward, the described line of induction is arranged with rear end cap outward, and described contact front end is connected with electric energy meter, and the described line of induction one end and the contact front end other end that joins is connected with isolating switch after table.
10. plug-in ammeter box according to claim 1 and 2, it is characterized in that: described housing comprises and is buckled in the outer upper shell of electric energy meter and is buckled in the lower house on installing plate, the lower end dual-side of described upper shell is respectively equipped with the first concave surface, and the upper end dual-side of described lower casing is respectively equipped with second concave surface that can engage with the first concave surface.
11. plug-in ammeter box according to claim 10, it is characterized in that: described upper shell comprises the baffle plate of both sides, the outside, baffle plate upper end is respectively equipped with groove, described cover is articulated in respectively in groove by rotating shaft, be respectively equipped with the first convex body on described cover and locking edge baffle plate, on the locking edge of described baffle plate and cover, be respectively equipped with second convex body that can engage with the first convex body.
12. plug-in ammeter box according to claim 10 is characterized in that: after the corresponding table of described lower house, circuit breaker position is provided with window, and both sides, described window upper end are respectively equipped with groove, and described groove is hinged with lid switch by rotating shaft respectively.
CN201310072792.9A 2013-03-07 2013-03-07 Pluggable electric meter box CN103116051B (en)

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Application Number Priority Date Filing Date Title
CN201310072792.9A CN103116051B (en) 2013-03-07 2013-03-07 Pluggable electric meter box

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CN103116051A true CN103116051A (en) 2013-05-22
CN103116051B CN103116051B (en) 2015-07-15

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CN103454472A (en) * 2013-09-18 2013-12-18 杭州凯雅捷科技有限公司 Inserting terminal of electric energy meter
CN103454469A (en) * 2013-09-18 2013-12-18 杭州凯雅捷科技有限公司 Single-phase single-meter position plug-in of electric energy meter
CN103454467A (en) * 2013-09-04 2013-12-18 嘉兴市永信电子有限公司 Gauge box pluggable electric energy meter installation base
CN103472275A (en) * 2013-09-27 2013-12-25 苏州工业园区和顺电气股份有限公司 Pluggable electric energy measurement device
CN103558430A (en) * 2013-10-31 2014-02-05 杭州凯雅捷科技有限公司 Wiring nose for electric energy meter
CN104515881A (en) * 2013-09-27 2015-04-15 苏州工业园区和顺电气股份有限公司 Pluggable electric energy meter
CN105301312A (en) * 2015-12-01 2016-02-03 湖北周一电气股份有限公司 Electric meter box with electric meter and leads in plug-in connection
CN110108911A (en) * 2019-03-08 2019-08-09 国网浙江宁海县供电有限公司 Do not have a power failure and changes watt-hour meter device

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CN103454467A (en) * 2013-09-04 2013-12-18 嘉兴市永信电子有限公司 Gauge box pluggable electric energy meter installation base
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CN103472275B (en) * 2013-09-27 2016-02-03 苏州工业园区和顺电气股份有限公司 Pluggable electric energy measurement device
CN103472275A (en) * 2013-09-27 2013-12-25 苏州工业园区和顺电气股份有限公司 Pluggable electric energy measurement device
CN103558430A (en) * 2013-10-31 2014-02-05 杭州凯雅捷科技有限公司 Wiring nose for electric energy meter
CN105301312A (en) * 2015-12-01 2016-02-03 湖北周一电气股份有限公司 Electric meter box with electric meter and leads in plug-in connection
CN110108911A (en) * 2019-03-08 2019-08-09 国网浙江宁海县供电有限公司 Do not have a power failure and changes watt-hour meter device

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