CN113092839B - Fixing device of electric energy meter - Google Patents

Fixing device of electric energy meter Download PDF

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Publication number
CN113092839B
CN113092839B CN202110238503.2A CN202110238503A CN113092839B CN 113092839 B CN113092839 B CN 113092839B CN 202110238503 A CN202110238503 A CN 202110238503A CN 113092839 B CN113092839 B CN 113092839B
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CN
China
Prior art keywords
electric energy
energy meter
groups
bottom shell
fixing device
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Active
Application number
CN202110238503.2A
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Chinese (zh)
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CN113092839A (en
Inventor
张军
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Baoding Trillion Micro Software Technology Co ltd
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Baoding Trillion Micro Software Technology Co ltd
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Priority to CN202110238503.2A priority Critical patent/CN113092839B/en
Publication of CN113092839A publication Critical patent/CN113092839A/en
Application granted granted Critical
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/02Constructional details
    • G01R11/04Housings; Supporting racks; Arrangements of terminals

Abstract

The invention relates to the technical field of fixing devices of electric energy meters, in particular to a fixing device of an electric energy meter, which comprises a fixing device bottom shell, positioning sleeves, the electric energy meter, grooves, a plugging cover and fixing piles, wherein four groups of positioning sleeves are symmetrically arranged in the fixing device bottom shell along a central line, the electric energy meter is arranged between the four groups of positioning sleeves, four groups of grooves are symmetrically arranged on two sides of an electric energy meter shell, the plugging cover is arranged on one side of the fixing device bottom shell, and the four groups of fixing piles are symmetrically arranged on the plugging cover; the electric energy meter slides into the bottom shell along the four sets of sleeve shells, the electric energy meter can extrude the idler wheel in the moving process, meanwhile, the idler wheel rotates along with the movement of the electric energy meter, the electric energy meter slides into the bottom shell conveniently, the idler wheel can push the support to move, the support enables the idler wheel to linearly retreat under the matching effect of the slide bar and the vertical bearing, the support stretches the first spring until the idler wheel slides into the groove, and the pre-fixing of the electric energy meter is realized through the rebound force of the first spring.

Description

Fixing device of electric energy meter
Technical Field
The invention relates to the technical field of connecting pieces for installing a fixing device guardrail of an electric energy meter, in particular to a fixing device of the electric energy meter.
Background
The intelligent ammeter is one of basic equipment for data acquisition of an intelligent power grid (particularly an intelligent power distribution network), bears the tasks of original electric energy data acquisition, metering and transmission, is a foundation for realizing information integration, analysis optimization and information display, and has strong functionality. Generally, the intelligent ammeter has a metering function of basic electricity consumption of a traditional ammeter, which is a basic function, and also has a bidirectional multi-rate metering function, a user side control function and the like, so that the intelligent ammeter is widely applied.
The intelligent ammeter is required to be fixedly installed on a wall body when in use, the intelligent ammeter is directly fixed on the wall body through a screw and is not installed by utilizing a fixing device, the intelligent ammeter is generally provided with a plurality of control buttons or control keys, the ammeter is directly installed on the wall body and cannot effectively protect a control structure, and the intelligent ammeter is fixed through the screw, so that the installation and maintenance of the ammeter by workers are not facilitated.
Disclosure of Invention
The invention aims to provide a fixing device of an electric energy meter, which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a fixing device of electric energy meter, includes fixing device drain pan, locating sleeve, electric energy meter, recess, shutoff lid, spud pile, sets up four sets of locating sleeve along central line symmetry in the fixing device drain pan, sets up the electric energy meter between four sets of locating sleeve, and electric energy meter shell both sides symmetry sets up four sets of recesses, and fixing device drain pan one side sets up the shutoff lid, and the shutoff is covered and is set up four sets of spud pile symmetrically;
the fixing device bottom shell comprises a bottom shell, two groups of fixing seats are symmetrically arranged on two sides of the bottom shell, a wire slot is formed in the lower end of the bottom shell along a central line, and four groups of spring mechanisms are symmetrically arranged in the bottom shell along the central line.
Preferably, the positioning sleeve comprises a sleeve, a pressing plate is arranged in the sleeve, a guide post is arranged on one side of the pressing plate, and a spring is arranged on the guide post.
Preferably, the plugging cover comprises a cover body, rectangular holes are formed in the cover body, silica gel pads are arranged in the rectangular holes, and four groups of circular grooves are symmetrically formed in the cover body.
Preferably, the fixed pile comprises a positioning column, one end of the positioning column is symmetrically connected with the two groups of clamping blocks, the other end of the positioning column is provided with a rotary damper, and the other end of the positioning column penetrates through the rotary damper to be connected with the rotary plate.
Preferably, the spring mechanism comprises a roller, the roller is matched with the connecting groove, two groups of rotating shafts are symmetrically arranged at two ends of the roller, bearings are arranged on the rotating shafts, a bearing embedded support is arranged at one end of the support and connected with a sliding rod, a vertical bearing is arranged on the sliding rod and embedded into the side wall of the bottom shell, one end of the sliding rod penetrates through the vertical bearing to be provided with a first spring, one end of the first spring is fixedly connected with the bottom shell, and the other end of the first spring is fixedly connected with the end of the sliding rod.
Preferably, the sleeve comprises a sleeve shell, a mounting hole is arranged in the sleeve shell, one end of the guide post penetrates through the spring to form a vertical bearing, the vertical bearing is embedded into the bottom of the mounting hole, two groups of guide grooves are symmetrically formed in the mounting hole along a central line, the clamping blocks are slidably connected with the guide grooves, and one end of each guide groove is provided with an annular clamping groove.
Preferably, the rotating plate comprises a transverse plate, the transverse plate is arranged in the circular groove, the other end of the positioning column penetrates through the rotary damper to be connected with the middle of the transverse plate, two groups of limiting blocks are symmetrically arranged at two ends of the transverse plate along diagonal lines, the limiting blocks are fixedly connected with the side wall of the circular groove, and a rectangular groove is formed in the transverse plate along the central line.
Compared with the prior art, the invention has the beneficial effects that:
1. the electric energy meter is connected into the electric energy meter through the wire slot by a worker, when the electric energy meter is required to be installed, the electric energy meter slides into the bottom shell along the four sets of sleeve shells, the electric energy meter can extrude the idler wheels in the moving process, meanwhile, the idler wheels rotate along with the movement of the electric energy meter, the electric energy meter slides into the bottom shell conveniently, the idler wheels can push the support to move, the support enables the idler wheels to linearly retreat under the cooperation of the sliding rod and the vertical bearing, the support stretches the first spring until the idler wheels slide into the groove, the pre-fixing of the electric energy meter is realized through the rebound force of the first spring, so that the wiring of the electric energy meter by the worker is facilitated, the setting of the bottom shell of the fixing device is realized, the electric energy meter is protected on one hand, and the electric energy meter is convenient to install and detach by the worker on the other hand, so that the working efficiency of the worker is improved;
2. leading a positioning column at one side of a plugging cover into a mounting hole, moving a clamping block arranged at one end of the positioning column along a guide groove, extruding a pressing plate at one end of the positioning column, linearly retreating the pressing plate under the matching effect of a guide column and an independent bearing, compressing a spring until the clamping block moves into an annular clamping groove, inserting a rectangular groove into a transverse plate by using a straight screwdriver, driving the positioning column by rotation of the transverse plate, clamping the clamping block into the annular clamping groove by rotation of the positioning column, and fixedly connecting the plugging cover with a bottom shell of a fixing device under the rebound force of the spring, thereby realizing the protection effect of the electric energy meter, simultaneously realizing the fixation of the electric energy meter, rotating the transverse plate to be engaged with a limiting block under the rebound force of the spring, separating the plugging cover from a bottom shell of the fixing device, and setting the positioning sleeve and the fixing pile, thereby not only realizing the protection effect of the electric energy meter, but also facilitating the installation and maintenance of the electric energy meter by workers;
3. the lid is transparent plastic material with the silica gel pad, and the staff of being convenient for observes and operates the electric energy meter, and after the shutoff lid was fixed on fixing device drain pan, the staff accessible silica gel pad was operated the button on the electric energy meter, also played the guard action to the button.
Drawings
FIG. 1 is a front partial cross-sectional view of the structure of the present invention;
FIG. 2 is an enlarged view of FIG. 1A;
FIG. 3 is a side partial cross-sectional view of the structure of the present invention;
FIG. 4 is an enlarged view of FIG. 3B;
fig. 5 is a front view of the structural closure of the present invention.
In the figure: 1 fixing device bottom shell, 2 locating sleeve, 3 electric energy meter, 4 recess, 5 shutoff lid, 6 fixed pile, 101 bottom shell, 102 spring mechanism, 103 fixing base, 104 wire casing, 201 clamp plate, 202 spring, 203 sleeve, 204 guide pillar, 501 round slot, 502 lid, 503 rectangular hole, 504 silica gel pad, 601 fixture block, 602 locating pillar, 603 rotary damper, 604 rotor plate, 1021 gyro wheel, 1022 support, 1023 slide bar, 1024 spring one, 1025 rotation axis, 2031 sleeve shell, 2032 mounting hole, 2033 annular clamping groove, 2034 guide slot, 6041 stopper, 6042 rectangular slot, 6043 diaphragm.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a fixing device of electric energy meter, including fixing device drain pan 1, position sleeve 2, electric energy meter 3, recess 4, shutoff lid 5, fixed pile 6, four sets of position sleeve 2 are set up along central line symmetry in the fixing device drain pan 1, set up electric energy meter 3 between four sets of position sleeve 2, electric energy meter 3 shell bilateral symmetry sets up four sets of recess 4, fixing device drain pan 1 one side sets up shutoff lid 5, the symmetry sets up four sets of fixed pile 6 on the shutoff lid 5, fixing device drain pan 1 includes drain pan 101, drain pan 101 bilateral symmetry sets up two sets of fixing base 103, drain pan 101 lower extreme sets up wire casing 104 along central line, set up four sets of spring mechanism 102 along central line symmetry in the drain pan 101, spring mechanism 102 includes gyro wheel 1021, gyro wheel 1021 cooperation connection recess 4, gyro wheel 1021 both ends symmetry sets up two sets of rotation axis 1025, set up the bearing on the rotation axis 1025, bearing embedding support 1022, slide bar 1023 is connected to support 1022 one end, a vertical bearing is arranged on the slide bar 1023, the vertical bearing is embedded into the side wall of the bottom shell 101, one end of the slide bar 1023 passes through the vertical bearing to be provided with a first spring 1024, one end of the first spring 1024 is fixedly connected with the bottom shell 101, the other end of the first spring 1024 is fixedly connected with the end of the slide bar 1023, wherein a worker can access an electric wire into the electric energy meter 3 through a wire slot 104, when the electric energy meter 3 needs to be installed, the electric energy meter 3 slides into the bottom shell 101 along four sets of sleeve shells 2031, the electric energy meter 3 can squeeze the roller 1021 in the moving process, meanwhile, the roller 1021 rotates along with the movement of the electric energy meter 3, so that the electric energy meter 3 is convenient to slide into the bottom shell 101, the roller 1021 can push a bracket 1022 to move, the roller 1021 is enabled to linearly retreat under the cooperation of the slide bar 1023 and the vertical bearing, the bracket 1022 stretches the first spring 1024 until the roller 1021 slides into the groove 4, the pre-fixing of the electric energy meter 3 is realized through the counter elasticity of the first spring 1024, thereby being convenient for the working personnel to wire the electric energy meter 3, setting the bottom shell 1 of the fixing device, protecting the electric energy meter 3 on one hand, and facilitating the working personnel to mount and dismount the electric energy meter 3 on the other hand, thereby improving the working efficiency of the working personnel;
further, the positioning sleeve 2 comprises a sleeve 203, a pressing plate 201 is arranged in the sleeve 203, a guide pillar 204 is arranged on one side of the pressing plate 201, a spring 202 is arranged on the guide pillar 204, the sleeve 203 comprises a sleeve shell 2031, a mounting hole 2032 is arranged in the sleeve shell 2031, one end of the guide pillar 204 passes through the spring 202 to form a vertical bearing, the vertical bearing is embedded into the bottom of the mounting hole 2032, two groups of guide grooves 2034 are symmetrically arranged along the middle line in the mounting hole 2032, a clamping block 601 is slidably connected with the guide grooves 2034, one end of the guide groove 2034 is provided with an annular clamping groove 2033, a fixed pile 6 comprises a positioning column 602, one end of the positioning column 602 is symmetrically connected with two groups of clamping blocks 602, the other end of the positioning column 602 is provided with a rotary damper 603, the other end of the positioning column 602 passes through the rotary damper 603 to be connected with a rotary plate 604, the rotary plate 604 comprises a transverse plate 6043, a transverse plate 6043 is arranged in the circular groove 501, the other end of the positioning column 602 passes through the rotary damper 602 to be connected with the middle part of the transverse plate 6043, two groups of limiting blocks 6041 are symmetrically arranged along the diagonal line, the limiting block 6041 is fixedly connected with the side wall of the round groove 501, the transverse plate 6043 is provided with a rectangular groove 6042 along the central line, wherein after the wiring of the electric energy meter 3 is finished, a positioning column 602 at one side of the sealing cover 5 is led into a mounting hole 2032, a clamping block 601 arranged at one end of the positioning column 602 moves along a guide groove 2034, one end of the positioning column 602 presses a pressing plate 201, the pressing plate 201 linearly retreats under the cooperation of a guide pillar 204 and an upright bearing, the spring 202 is compressed until the clamping block 601 moves into an annular clamping groove 2033, then a linear screwdriver is inserted into the rectangular groove 6042 to rotate the transverse plate 6043, the rotation of the transverse plate 6043 drives the positioning column 602, the rotation of the positioning column 602 enables the clamping block 601 to be clamped into the annular clamping groove 2033, under the rebound force of the spring 202, the sealing cover 5 is fixedly connected with a bottom shell 1 of the fixing device, thereby realizing the protection function of the electric energy meter 3 and the fixation of the electric energy meter 3, when the plugging cover 5 needs to be opened, the transverse plate 6043 is rotated to be engaged with the limiting block 6041, the plugging cover 5 is separated from the fixing device bottom shell 1 under the action of the rebound force of the spring 202, and the setting of the positioning sleeve 2 and the fixing pile 6 is achieved, so that the protection effect on the electric energy meter 3 is achieved, and meanwhile, the installation and maintenance of the electric energy meter 3 by workers are facilitated;
further, the plugging cover 5 comprises a cover body 502, a rectangular hole 503 is formed in the cover body 502, a silica gel pad 504 is arranged in the rectangular hole 503, four groups of round grooves 501 are symmetrically formed in the cover body 502, the cover body 502 and the silica gel pad 504 are made of transparent plastic materials, workers can observe and operate the electric energy meter 3 conveniently, and after the plugging cover 5 is fixed on the bottom shell 1 of the fixing device, the workers can operate keys on the electric energy meter 3 through the silica gel pad 504, so that the keys are protected.
Working principle: during the use, when electric energy meter 3 needs to be installed, slide electric energy meter 3 into drain pan 101 along four sets of sleeve housing 2031, electric energy meter 3 can extrude gyro wheel 1021 in the removal process, gyro wheel 1021 is accompanied electric energy meter 3 and is moved and rotate simultaneously, be convenient for electric energy meter 3 slide into drain pan 101, gyro wheel 1021 can promote support 1022 and remove, support 1022 makes gyro wheel 1021 straight line retreat under slide bar 1023 and stand-up bearing cooperation effect, and support 1022 stretches spring one 1024, until gyro wheel 1021 slides into recess 4, through the resilience force of spring one 1024, realize the prefixed to electric energy meter 3, electric energy meter 3 wiring finishes, guide the clamping block 601 that is equipped with one side of shutoff lid 5 into mounting hole 2032, clamping block 601 that reference column 602 one end set up is along guide slot 2034 is removed, clamp plate 201 is extruded to the one end simultaneously, clamp plate 201 is in the straight line retreat under guide pillar 204 and stand-up bearing cooperation effect, and compress spring 202, until clamp block 601 moves into annular clamping slot 2033, then use a word screwdriver inserts in recess 6042 rotating plate 6043, drive rotation clamp plate 6043 and make rotatory clamp block 602 in the fixed block 2031 under the fixed device of shutoff lid 5, the rotatory clamp block 602 makes the rotatory clamp block 602 of fixed connection in the fixed slot 2031.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (2)

1. The utility model provides a fixing device of electric energy meter, includes fixing device drain pan (1), spacer sleeve (2), electric energy meter (3), recess (4), shutoff lid (5), spud pile (6), its characterized in that: four groups of locating sleeves (2) are symmetrically arranged in the bottom shell (1) of the fixing device along a central line, electric energy meters (3) are arranged between the four groups of locating sleeves (2), four groups of grooves (4) are symmetrically arranged on two sides of the outer shell of each electric energy meter (3), a plugging cover (5) is arranged on one side of the bottom shell (1) of the fixing device, and four groups of fixing piles (6) are symmetrically arranged on the plugging cover (5);
the bottom shell (1) of the fixing device comprises a bottom shell (101), two groups of fixing seats (103) are symmetrically arranged on two sides of the bottom shell (101), a wire slot (104) is formed in the lower end of the bottom shell (101) along a central line, and four groups of elastic pressing mechanisms (102) are symmetrically arranged in the bottom shell (101) along the central line;
the positioning sleeve (2) comprises a sleeve (203), a pressing plate (201) is arranged in the sleeve (203), a guide pillar (204) is arranged on one side of the pressing plate (201), and a spring (202) is arranged on the guide pillar (204);
the plugging cover (5) comprises a cover body (502), wherein rectangular holes (503) are formed in the cover body (502), silica gel pads (504) are arranged in the rectangular holes (503), and four groups of circular grooves (501) are symmetrically formed in the cover body (502);
the fixed piles (6) comprise positioning columns (602), one ends of the positioning columns (602) are symmetrically connected with two groups of clamping blocks (602), rotary dampers (603) are arranged at the other ends of the positioning columns (602), and the other ends of the positioning columns (602) penetrate through the rotary dampers (603) to be connected with a rotary plate (604);
the sleeve (203) comprises a sleeve shell (2031), a mounting hole (2032) is arranged in the sleeve shell (2031), one end of the guide post (204) penetrates through the spring (202) to be provided with a vertical bearing, the vertical bearing is embedded into the bottom of the mounting hole (2032), two groups of guide grooves (2034) are symmetrically arranged in the mounting hole (2032) along a central line, the clamping block (601) is in sliding connection with the guide grooves (2034), and one end of the guide groove (2034) is provided with an annular clamping groove (2033);
the rotating plate (604) comprises a transverse plate (6043), the transverse plate (6043) is arranged in the circular groove (501), the other end of the positioning column (602) penetrates through the rotary damper (602) to be connected with the middle of the transverse plate (6043), two groups of limiting blocks (6041) are symmetrically arranged at two ends of the transverse plate (6043) along diagonal lines, the limiting blocks (6041) are fixedly connected with the side wall of the circular groove (501), and a rectangular groove (6042) is formed in the transverse plate (6043) along the central line.
2. The device for fixing an electric energy meter according to claim 1, wherein: the spring mechanism (102) comprises a roller (1021), the roller (1021) is matched with a connecting groove (4), two groups of rotating shafts (1025) are symmetrically arranged at two ends of the roller (1021), bearings are arranged on the rotating shafts (1025), the bearings are embedded into a support (1022), one end of the support (1022) is connected with a slide bar (1023), a vertical bearing is arranged on the slide bar (1023), the vertical bearing is embedded into the side wall of a bottom shell (101), one end of the slide bar (1023) penetrates through the vertical bearing to be provided with a first spring (1024), one end of the first spring (1024) is fixedly connected with the bottom shell (101), and the other end of the first spring (1024) is fixedly connected with the end of the slide bar (1023).
CN202110238503.2A 2021-03-04 2021-03-04 Fixing device of electric energy meter Active CN113092839B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110238503.2A CN113092839B (en) 2021-03-04 2021-03-04 Fixing device of electric energy meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110238503.2A CN113092839B (en) 2021-03-04 2021-03-04 Fixing device of electric energy meter

Publications (2)

Publication Number Publication Date
CN113092839A CN113092839A (en) 2021-07-09
CN113092839B true CN113092839B (en) 2023-10-17

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CN202110238503.2A Active CN113092839B (en) 2021-03-04 2021-03-04 Fixing device of electric energy meter

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Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201974449U (en) * 2011-03-16 2011-09-14 卢爱君 Three-phase intelligent electric-energy meter
WO2013078748A1 (en) * 2011-11-28 2013-06-06 东莞市怡丰锁业有限公司 Key cipher lock
CN204515118U (en) * 2015-01-23 2015-07-29 海盐盛迪电子科技有限公司 Electric energy meter detection positioning module
CN105116189A (en) * 2015-10-08 2015-12-02 莱芜鲁能开源集团电器有限公司 Rapid installation and fixing frame for electric energy meter
CN205581170U (en) * 2016-03-16 2016-09-14 浙江天普胜电气有限公司 Electric energy meter
CN206440752U (en) * 2017-01-29 2017-08-25 国网新疆电力公司电力科学研究院 A kind of electric energy meter easy for removal and installation
CN108644216A (en) * 2018-04-28 2018-10-12 北京机械设备研究所 It is a kind of not fall off screw assembly with locking functions
CN208421019U (en) * 2018-07-19 2019-01-22 宁波迦南智能电气股份有限公司 A kind of electric energy meter easy for installation
CN208697765U (en) * 2018-09-10 2019-04-05 上饶市双龙光学模具制造有限公司 A kind of optical mirror slip processing optical mould with positioning function
CN208879412U (en) * 2018-08-08 2019-05-21 铜陵市联创标准表箱制作有限责任公司 A kind of ammeter box timber plate-folding device
CN209728010U (en) * 2018-11-30 2019-12-03 江苏祥华科技有限公司 A kind of radiator structure of electric energy meter shell
CN110711724A (en) * 2019-10-17 2020-01-21 李美冬 Transparent ammeter box
CN210109177U (en) * 2019-05-30 2020-02-21 四川中威能电力科技有限公司 Direct current cost control intelligent electric energy meter
CN210572446U (en) * 2019-08-27 2020-05-19 合肥迪美电子科技有限公司 Fixing device for smart electric meter
CN210693027U (en) * 2019-11-08 2020-06-05 天津津通华电气设备有限公司 Intelligent power distribution box with protection function

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201974449U (en) * 2011-03-16 2011-09-14 卢爱君 Three-phase intelligent electric-energy meter
WO2013078748A1 (en) * 2011-11-28 2013-06-06 东莞市怡丰锁业有限公司 Key cipher lock
CN204515118U (en) * 2015-01-23 2015-07-29 海盐盛迪电子科技有限公司 Electric energy meter detection positioning module
CN105116189A (en) * 2015-10-08 2015-12-02 莱芜鲁能开源集团电器有限公司 Rapid installation and fixing frame for electric energy meter
CN205581170U (en) * 2016-03-16 2016-09-14 浙江天普胜电气有限公司 Electric energy meter
CN206440752U (en) * 2017-01-29 2017-08-25 国网新疆电力公司电力科学研究院 A kind of electric energy meter easy for removal and installation
CN108644216A (en) * 2018-04-28 2018-10-12 北京机械设备研究所 It is a kind of not fall off screw assembly with locking functions
CN208421019U (en) * 2018-07-19 2019-01-22 宁波迦南智能电气股份有限公司 A kind of electric energy meter easy for installation
CN208879412U (en) * 2018-08-08 2019-05-21 铜陵市联创标准表箱制作有限责任公司 A kind of ammeter box timber plate-folding device
CN208697765U (en) * 2018-09-10 2019-04-05 上饶市双龙光学模具制造有限公司 A kind of optical mirror slip processing optical mould with positioning function
CN209728010U (en) * 2018-11-30 2019-12-03 江苏祥华科技有限公司 A kind of radiator structure of electric energy meter shell
CN210109177U (en) * 2019-05-30 2020-02-21 四川中威能电力科技有限公司 Direct current cost control intelligent electric energy meter
CN210572446U (en) * 2019-08-27 2020-05-19 合肥迪美电子科技有限公司 Fixing device for smart electric meter
CN110711724A (en) * 2019-10-17 2020-01-21 李美冬 Transparent ammeter box
CN210693027U (en) * 2019-11-08 2020-06-05 天津津通华电气设备有限公司 Intelligent power distribution box with protection function

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Effective date of registration: 20230917

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