CN112526182A - Ammeter wiring appurtenance - Google Patents
Ammeter wiring appurtenance Download PDFInfo
- Publication number
- CN112526182A CN112526182A CN202011297684.8A CN202011297684A CN112526182A CN 112526182 A CN112526182 A CN 112526182A CN 202011297684 A CN202011297684 A CN 202011297684A CN 112526182 A CN112526182 A CN 112526182A
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- wiring
- electric meter
- identification
- ammeter
- colour information
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- 239000003086 colorant Substances 0.000 claims abstract description 15
- 238000010276 construction Methods 0.000 claims abstract description 3
- 230000005611 electricity Effects 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims 3
- 238000005192 partition Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 208000003464 asthenopia Diseases 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000576 supplementary effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
Abstract
The invention belongs to the field of electric power construction, and discloses an electric meter wiring auxiliary tool which comprises a body and an electric meter wiring auxiliary system, wherein the body is arranged on an electric meter, a plurality of first identification sheets with different colors are arranged on the body, the plurality of first identification sheets correspond to a plurality of wiring board blocks one to one, and the color of each first identification sheet is the same as that of a terminal wire in the corresponding wiring board block. Ammeter wiring auxiliary system set up in the outside of body, ammeter wiring auxiliary system includes image recognition module, central processing unit and the alarm module of mutual electric connection, image recognition module can acquire respectively the first colour information of terminal wire with the second colour information of first identification plate transmits it for central processing unit, central processing unit relatively first colour information with second colour information, if first colour information with second colour information inequality, central processing unit control alarm module sends the police dispatch newspaper.
Description
Technical Field
The invention relates to the field of electric power construction, in particular to an electric meter wiring auxiliary tool.
Background
The three-phase electric meter is also called a watt-hour meter, is used for measuring the electric energy output by a power supply in a three-phase alternating current circuit, and has the characteristics of good reliability, small volume, low power consumption, high precision and the like. The wiring end of the three-phase electric meter is divided into four plates, namely a three-phase wiring plate and a ground wiring plate, and a plurality of wiring terminals are arranged in the ground wiring plate and each phase wiring plate. When the three-phase electric meter is connected, the connecting terminals of the same phase wiring end are sequentially connected to the input power supply and the load respectively, and then the connecting terminals of the ground wire wiring end are connected to the ground wire, so that the three-phase electric meter can measure the electric quantity consumed by the load.
Along with the increase of industrial power consumption, more and more people use the three-phase ammeter, and the binding post of three-phase ammeter is more, and operating personnel will connect wrong binding post by accident slightly, causes the short circuit between the phase to burn out the three-phase ammeter. The three-phase ammeter takes place interphase short circuit, can produce a large amount of electric arcs, if operating personnel does not take the goggles, both eyes are easily burnt by the electric arc. Meanwhile, the operators are also in danger of electric shock and harm the personal safety.
Disclosure of Invention
The invention aims to provide an electric meter wiring auxiliary tool, which enables an operator to quickly distinguish different wiring plates, reduces the wiring error rate of an electric meter and protects the safety of the operator.
In order to achieve the purpose, the invention adopts the following technical scheme:
an ammeter appurtenance of working a telephone switchboard be provided with a plurality of terminal blocks on the ammeter, ammeter appurtenance of working a telephone switchboard includes:
the body is arranged on the ammeter, a plurality of first identification pieces with different colors are arranged on the body, the plurality of first identification pieces correspond to the plurality of wiring board blocks one to one, and the color of each first identification piece is the same as that of a terminal wire in the corresponding wiring board block;
the ammeter auxiliary system that works a telephone switchboard, it set up in the outside of body, ammeter auxiliary system that works a telephone switchboard includes image recognition module, central processing unit and the alarm module of mutual electric connection, image recognition module can acquire respectively the first colour information of terminal wire with the second colour information of first identification plate transmits it for central processing unit, central processing unit relatively first colour information with second colour information, if first colour information with second colour information inequality, central processing unit control alarm module sends out the police dispatch newspaper.
Preferably, the body is provided with a plurality of shielding plates at intervals, the plurality of shielding plates correspond to the plurality of wiring board blocks one to one, and the plurality of first identification pieces are arranged on the plurality of shielding plates in one to one correspondence.
Preferably, the shielding plate is provided with a through hole through which the terminal wire is inserted.
Preferably, the body is detachably connected to the electricity meter.
Preferably, one of the electric meter and one of the electric meter body sides close to the junction block is provided with a protrusion, the other is provided with a groove, and the protrusion can be clamped in the groove.
Preferably, a partition plate is provided between adjacent shielding plates.
Preferably, the spacing plate and the body are made of insulating materials.
Preferably, the partition plate is integrally formed with the body.
Preferably, the top end of the body is provided with a plurality of second identification pieces, and the colors of the second identification pieces correspond to the colors of the first identification pieces one to one.
Preferably, the terminal device further comprises a position detection module electrically connected to the central processing unit for detecting the leakage portion of the terminal lead.
The invention has the beneficial effects that:
the invention provides an electric meter wiring auxiliary tool which comprises a body, wherein the body is arranged on the upper side of an electric meter, a plurality of first identification sheets with different colors are arranged on the body, the first identification sheets correspond to a plurality of wiring plates of the electric meter one by one, and the wiring plates of the electric meter are distinguished by the first identification sheets, so that an operator can distinguish the wiring plates during wiring work. Specifically, the colors of the first identification pieces are the same as the colors of the terminal wires in the corresponding wiring board blocks, and the terminal wires with the same color are connected into the wiring board blocks with the corresponding colors, so that the terminal wires are prevented from being connected into wrong wiring board blocks, the problem of short circuit between phases is avoided, and the electric meter is prevented from being burnt out.
Because operating personnel will carry out the wiring to a large amount of ammeters every day, when operating personnel visual fatigue, the colour of the first identification plate and the colour of terminal wire are seen wrong very easily, and the auxiliary tool of ammeter wiring has still additionally set up the auxiliary system of ammeter wiring. The ammeter wiring auxiliary system comprises an image identification module, a power supply module and a central processing unit. The central processing unit is respectively and electrically connected with the image recognition module and the power supply module, and the power supply module provides power for the whole ammeter wiring auxiliary system so that the whole ammeter wiring auxiliary system can work normally. The image recognition module can be arranged on the outer side of the body, so that the image recognition module and the body form an integral structure, or the image recognition module and the body are not in direct contact, and the image recognition module and the body are independent structures and are kept within a certain preset distance range. Utilize the image recognition module to acquire the first color information of terminal wire and the second color information of first identification plate respectively and give central processing unit with first color information and second color information transfer, central processing unit comparison first color information and second color information, if first color information and second color information inequality, central processing unit control alarm module sends out the police dispatch newspaper, warns operating personnel, prevents operating personnel's maloperation.
Compared with the mode of directly distinguishing the wiring plate blocks in the prior art, the electric meter wiring auxiliary tool provided by the invention has the advantages that the wiring plate blocks of the electric meter are distinguished by the first identification pieces, in order to prevent visual fatigue of operators, the colors of the terminal wires and the first identification pieces are mistakenly recognized, the image recognition module is additionally arranged, and if the first color information is not equal to the second color information, the central controller controls the alarm template to give an alarm to warn the operators, so that the operators are prevented from being operated by mistake.
Drawings
FIG. 1 is an assembly view of a main body and an electric meter at a viewing angle in an auxiliary tool for connecting the electric meter according to an embodiment of the present invention;
FIG. 2 is an assembly view of the body and the electric meter at another view angle in the electric meter connection auxiliary tool provided by the embodiment of the invention;
FIG. 3 is a schematic diagram of an electric meter connection assisting system in the electric meter connection assisting tool according to the embodiment of the invention;
fig. 4 is a schematic structural diagram of a body in the electric meter wiring auxiliary tool according to the embodiment of the invention.
In the figure:
100. an electricity meter; 101. a wiring terminal;
1. a body; 11. a shielding plate; 111. a through hole; 12. a protrusion; 13. a partition plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
This embodiment provides an ammeter appurtenance of working a telephone switchboard, has played supplementary effect at ammeter wiring in-process, and ammeter 100 specifically is the three-phase ammeter, and the wiring end of ammeter 100 divide into four plates, is three phase position wiring plate and a ground wire wiring plate respectively, all is provided with a plurality of binding post 101 in ground wire wiring plate and every phase position wiring plate. When the electricity meter 100 is connected, the connection terminals 101 of the same phase terminal are sequentially connected to an input power supply and a load, respectively, and then the connection terminal 101 of the ground terminal is connected to the ground, so that the electricity meter 100 measures the amount of electricity consumed by the load.
The ammeter appurtenance of working a telephone switchboard that this embodiment provided, as shown in fig. 1 and fig. 2, this ammeter appurtenance of working a telephone switchboard includes body 1, sets up body 1 on ammeter 100, is provided with the first identification plate of four different colours on body 1, and four first identification plates and four terminal plate one-to-ones of ammeter 100 utilize first identification plate to distinguish the terminal plate of ammeter 100, make operating personnel can distinguish each terminal plate when carrying out the work of working a telephone switchboard. Specifically, the color of the four first identification plates is the same as the color of the terminal wires in the corresponding wiring board blocks, and the terminal wires with the same color are connected into the wiring board blocks with the corresponding colors, so that the terminal wires are prevented from being connected into wrong wiring board blocks, the problem of short circuit between phases is avoided, and the electric meter 100 is prevented from being burnt out.
Because the operator will be worked a telephone switchboard to a large amount of ammeters 100 every day, when the operator is tired in vision, the colour of first identification plate and the colour of terminal wire are very easily seen by mistake, and the auxiliary instrument of ammeter wiring has still additionally set up the auxiliary system of ammeter wiring, as shown in fig. 3, the auxiliary system of ammeter wiring includes image recognition module, power module and central processing unit. The central processing unit is respectively and electrically connected with the image recognition module and the power supply module, and the power supply module provides power for the whole ammeter wiring auxiliary system so that the whole ammeter wiring auxiliary system can work normally. The image recognition module can be arranged on the outer side of the body 1, so that the image recognition module and the body 1 form an integral structure, or the image recognition module and the body 1 are not in direct contact, and the image recognition module and the body 1 are independent structures and are kept within a certain preset distance range. Utilize the image recognition module to acquire the first color information of terminal wire and the second color information of first identification plate respectively and give central processing unit with first color information and second color information transfer, central processing unit comparison first color information and second color information, if first color information and second color information inequality, central processing unit control alarm module sends out the police dispatch newspaper, warns operating personnel, prevents operating personnel's maloperation.
Compare with prior art adoption direct mode of distinguishing the terminal block, the ammeter wiring appurtenance that this embodiment provided utilizes first identification plate to distinguish the terminal block of ammeter 100, prevents that operating personnel visual fatigue, and the mistake terminal wire and first identification plate colour through additionally setting up image recognition module, if first colour information and second colour information inequality, central controller control warning template sends out the police dispatch newspaper, warns operating personnel, prevents operating personnel maloperation.
When the terminal wires are not firmly connected with the wiring terminals 101, the electric meter 100 may have poor contact, and is prone to generate heat and burn out the electric meter 100. Preferably, the position detection module is embodied as a position sensor for detecting whether the connection of the connection terminal 101 and the terminal wire is firm. If the position sensor detects that the copper wire of the terminal wire leaks, the position sensor transmits the position signal to the central processing unit, and the central processing unit receives the position signal to control the alarm module to give an alarm to prompt an operator to readjust the connection between the wiring terminal 101 and the terminal wire.
When the diameter of the terminal wire is too small and the current is too large, the electric meter 100 is easily burnt, and in order to solve the problem, the electric meter wiring auxiliary system is further provided with an infrared detection module, as shown in fig. 3, the infrared detection module is electrically connected to the central processing unit. Preferably, the infrared detection module is embodied as a temperature sensor, and is configured to detect a temperature at a connection point of the connection terminal 101 and transmit a temperature signal to the central processing unit. The central processing unit receives the temperature signal and judges whether the temperature exceeds a preset temperature value. If the temperature of the wiring position of the wiring terminal 101 exceeds the preset temperature value, the central processing unit controls the alarm module to give an alarm, the power supply is automatically cut off, the electric meter 100 is protected, and the central alarm sends an alarm short message to a user.
If the body 1 is fixedly arranged on the electric meter 100, the volume of the electric meter 100 is increased, and the subsequent installation work of the electric meter 100 is inconvenient. To solve this problem, the body 1 may be provided to be detachably coupled to the electricity meter 100. The body 1 is detachably connected to the electricity meter 100, and the body 1 is separated from the electricity meter 100 after the wiring work is completed. Meanwhile, the body 1 can be used for multiple times, so that the manufacturing cost is saved.
Further, as shown in fig. 4, in this embodiment, a protrusion 12 is disposed on one side of the end of the body 1 close to the junction block, and a groove is disposed on the electric meter 100, so that the protrusion 12 is clamped in the groove, thereby realizing detachable connection between the body 1 and the electric meter 100. After the wiring of the ammeter 1 is completed, an operator takes up the body 1 to separate the body 1 from the ammeter 100, and the electric meter wiring device is simple in structure and convenient to operate.
Further, as shown in fig. 4, in this embodiment, four shielding plates 11 are disposed on the body 1 at intervals and used for shielding the wiring terminal 101 on one side of the same wiring board block, and the four shielding plates 11 correspond to the four wiring board blocks of the electric meter 100 one to one, so that an operator can distinguish the four wiring board blocks of the electric meter 100 after installing the body 1. Meanwhile, four first identification pieces are correspondingly arranged on the four shielding plates 11 one by one. Specifically, the first identification sheet is a sticker. Paste the sticker of different colours on four shielding plates 11, make things convenient for operating personnel directly perceived to distinguish four wiring plate pieces, convenient and fast improves wiring efficiency.
When an operator connects the electric meter 100, the shielding plate 11 is disposed in front of the connection terminal 101 (as shown in fig. 2), the shielding plate 11 blocks the connection terminal 101, which is inconvenient for the connection between the terminal wire and the connection terminal 101, and in order to prevent the shielding plate 11 from blocking the connection terminal 101, as shown in fig. 4, a through hole 111 is disposed on the shielding plate 11, and the terminal wire is inserted into the through hole 111 and connected to the connection terminal 101. Four wiring terminals 101 are arranged in a wiring board block of the electric meter 100, the four wiring terminals 101 are aligned in pairs (as shown in fig. 1), and through holes 111 are formed in the shielding plate 11, so that the wiring terminal 101 at one side in the same wiring board block is exposed (as shown in fig. 2), and an operator can conveniently connect a terminal lead to the wiring terminal 101; after the wiring of the wiring terminal 101 on one side is completed, the body 1 is moved to expose the wiring terminal 101 on the other side of the same wiring board block, so that an operator can conveniently perform the wiring operation of the wiring terminal 101 on the other side.
Further, as shown in fig. 4, a partition 13 is disposed between adjacent shielding plates 11 to divide the body 1 into four parts, which correspond to four terminal blocks of the electricity meter 100, respectively. If not set up the space bar 13, adjacent shielding plate 11 all is at same water flat line, if the sticker drops, and operating personnel can not distinguish the different terminal plate pieces of ammeter 100 fast, and inconvenient operating personnel carries out the work of working a telephone switchboard, through setting up space bar 13, after the wiring work of the binding post 101 of one side was accomplished, operating personnel can jump to next part and carry out the work of working a telephone switchboard 101 of next terminal plate piece.
Further, as shown in fig. 4, the partition plate 13 is integrally formed with the body 1. Through setting up space bar 13 and body 1 integrated into one piece, reduce spare part quantity, space bar 13 does not need special structure or uses specific method to install on body 1, has increased connection structure's stability, not only reduces spare part quantity, still reduction in production cost, material saving.
If space bar 13 and body 1 do not adopt insulating material, at the wiring in-process, if the condition of ammeter 100 electric leakage takes place, make body 1 and space bar 13 electrified, operating personnel takes place to electrocute easily, causes the injury to operating personnel. To solve this problem, the partition plate 13 and the body 1 are made of an insulating material. Make division board 13 and body 1 adopt insulating material, prevent that operating personnel from taking place to electrocute at the wiring in-process, protection operating personnel's life safety.
Particularly, with body 1 joint behind ammeter 100, the top of body 1 is parallel with binding post 101 (as shown in fig. 1), operating personnel need carry out the wiring operation in the level top of ammeter 100, at this moment can't see first identification plate, can not distinguish ammeter 100's wiring plate fast, in order to solve this problem, set up four second identification plates on body 1's top, make the colour of second identification plate and the colour one-to-one of first identification plate, make things convenient for operating personnel to distinguish ammeter 100's wiring plate, prevent that the terminal wire from receiving wrong burnout ammeter 100.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or the first and second features being in contact, not directly, but via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the embodiments of the present invention, the terms "upper", "lower", "right", and the like are used in an orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. An ammeter wiring appurtenance is provided with a plurality of terminal blocks on ammeter (100), characterized by comprising:
the electric meter comprises a body (1), wherein the body (1) is arranged on the electric meter (100), a plurality of first identification sheets with different colors are arranged on the body (1), the plurality of first identification sheets correspond to the plurality of wiring boards one by one, and the color of each first identification sheet is the same as the color of a terminal wire in the corresponding wiring board;
ammeter wiring auxiliary system, it set up in the outside of body (1), ammeter wiring auxiliary system includes image recognition module, central processing unit and the alarm module of mutual electric connection, image recognition module can acquire respectively the first colour information of terminal wire with the second colour information of first identification plate and give it central processing unit, central processing unit relatively first colour information with second colour information, if first colour information with second colour information inequality, central processing unit control alarm module sends out the police dispatch newspaper.
2. The electric meter wiring auxiliary tool according to claim 1, wherein a plurality of shielding plates (11) are arranged on the body (1) at intervals, the plurality of shielding plates (11) correspond to the plurality of wiring plate blocks one by one, and the plurality of first identification pieces are arranged on the plurality of shielding plates (11) in one by one correspondence.
3. An electric meter wiring auxiliary tool according to claim 2, characterized in that a through hole (111) is provided on the shielding plate (11), and the terminal wire is passed through the through hole (111).
4. An electricity meter wiring aid according to claim 1, characterized in that said body (1) is removably connected to said electricity meter (100).
5. An electric meter wiring aid as claimed in claim 4, characterized in that one of said electric meter (100) and said body (1) on the side close to said junction block is provided with a projection (12) and the other with a recess, said projection (12) being able to snap into said recess.
6. An electric meter wiring aid as claimed in claim 2, characterized in that a spacer (13) is provided between adjacent shutters (11).
7. An electricity meter wiring aid according to claim 6, characterized in that the spacer (13) and the body (1) are made of insulating material.
8. An electricity meter wiring aid according to claim 6, characterized in that the spacer (13) is of integral construction with the body (1).
9. The electric meter wiring auxiliary tool according to claim 1, characterized in that a plurality of second identification pieces are arranged at the top end of the body (1), and the colors of the second identification pieces correspond to the colors of the first identification pieces one by one.
10. An electric meter wiring aid as in claim 1, further comprising a position detection module electrically connected to said central processor for detecting a leaky portion of said terminal wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011297684.8A CN112526182A (en) | 2020-11-18 | 2020-11-18 | Ammeter wiring appurtenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011297684.8A CN112526182A (en) | 2020-11-18 | 2020-11-18 | Ammeter wiring appurtenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112526182A true CN112526182A (en) | 2021-03-19 |
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ID=74982677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011297684.8A Pending CN112526182A (en) | 2020-11-18 | 2020-11-18 | Ammeter wiring appurtenance |
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| Country | Link |
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| CN (1) | CN112526182A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114034900A (en) * | 2021-11-24 | 2022-02-11 | 国网山东省电力公司威海市文登区供电公司 | Auxiliary wiring device for electric energy meter |
| CN114034900B (en) * | 2021-11-24 | 2024-04-30 | 国网山东省电力公司威海市文登区供电公司 | Auxiliary wiring device for electric energy meter |
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| CN201378178Y (en) * | 2009-04-03 | 2010-01-06 | 刘佐耀 | Measuring tank for centralized multi-meter-position single-phase kilowatt-hour meter |
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| CN114034900B (en) * | 2021-11-24 | 2024-04-30 | 国网山东省电力公司威海市文登区供电公司 | Auxiliary wiring device for electric energy meter |
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Application publication date: 20210319 |