CN111308183A - Intelligent 10kV prepayment floor metering device and connection method thereof - Google Patents
Intelligent 10kV prepayment floor metering device and connection method thereof Download PDFInfo
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- CN111308183A CN111308183A CN201911218840.4A CN201911218840A CN111308183A CN 111308183 A CN111308183 A CN 111308183A CN 201911218840 A CN201911218840 A CN 201911218840A CN 111308183 A CN111308183 A CN 111308183A
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- electrically connected
- circuit breaker
- mutual inductor
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- door leaf
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
- G01R22/065—Details of electronic electricity meters related to mechanical aspects
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
- G07F15/06—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity with means for prepaying basic charges, e.g. rent for meters
Abstract
The invention discloses an intelligent 10kV prepayment floor metering device and a connecting method thereof, belonging to the technical field of power equipment, comprising a top plate, umbrella-shaped sleeves, an additional assembly and a miniature comprehensive protection device, wherein the bottom of the top plate is welded with a strip frame, the bottom of the strip frame is welded with a bottom plate, the intelligent 10kV prepayment floor metering device and the connecting method thereof can lead the whole cabinet body to be convenient for later maintenance and overhaul, the space sense in the cabinet can be ensured not to be compact after the additional assembly is matched, the two groups of umbrella-shaped sleeves are additionally arranged, the cable inlet and outlet can be guided, the miniature comprehensive protection device and an alarm switch are additionally arranged, can output state change signals and realize illegal unpacking alarm, have the protection function, are convenient to be matched with a remote communication device, carry out remote opening/closing on a user, and reduce the probability of tripping of a power company main line or a transformer substation and the power utilization risk and the workload of the power company, the recovery compatibility of the monthly electric charge is strong.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to an intelligent 10kV prepayment floor metering device and a connection method thereof.
Background
Electric power is energy taking electric energy as power, a large-scale electric power system appearing in the 20 th century is one of the most important achievements in the history of human engineering science, and is an electric power production and consumption system consisting of links such as power generation, power transmission, power transformation, power distribution and power utilization. It converts the primary energy of nature into electric power through mechanical energy devices, and then supplies the electric power to each user through power transmission, transformation and distribution.
In the using process of electric power, an electric energy metering device can be used, and the electric energy metering device is a metering device for measuring and recording generated energy, supplied (mutually supplied) electric quantity, station service electric quantity, line loss electric quantity and user electric quantity. The electric energy metering device is an overall body composed of an electric energy meter (an active electric energy meter, a reactive electric energy meter, a maximum demand meter, a multi-rate electric energy meter and the like), a metering mutual inductor (comprising a voltage mutual inductor and a current mutual inductor) and a secondary connecting wire.
However, the existing floor metering cabinet is mostly provided with two front and rear doors, so that later maintenance and overhaul are not facilitated, the space in the cabinet is relatively short, potential safety hazards also exist, the cabinet is internally provided with a plurality of comprehensive protection devices, if faults such as short circuit and overcurrent exist on the load side, tripping of a power company main line or a transformer substation is easily caused, the power consumption risk and the work load of the power company are increased, the power consumption of a part of customers is large, the part of customers are difficult to charge, and an effective matching mode is lacked under the condition that the mode of electricity charge recycling at the bottom of the month has risks.
Disclosure of Invention
The invention aims to provide an intelligent 10kV prepayment floor metering device and a connection method thereof, and aims to solve the problems that the conventional floor metering cabinet provided in the background technology is mostly opened at the front and the back, so that later maintenance and overhaul are not facilitated, the space in the cabinet is relatively short, potential safety hazards exist, no comprehensive protection device exists in the cabinet, the main line or the transformer substation of an electric power company is easy to trip if faults such as short circuit, overcurrent and the like exist on the load side, the power consumption risk and the workload of the electric power company are increased, and an effective matching mode is lacked under the condition that the power consumption of a special transformer user is large, the fee collection of part of customers is difficult, and the risk exists in the mode of electricity fee recovery at the end.
In order to achieve the purpose, the invention provides the following technical scheme: an intelligent 10kV prepayment floor metering device comprises a top plate, an umbrella-shaped sleeve, an additional assembly and a miniature comprehensive protection device, wherein a strip frame is welded at the bottom of the top plate, a bottom plate is welded at the bottom of the strip frame, round holes are formed in the top of the top and the bottom of the bottom plate, the circumferential inner wall of each round hole is in threaded connection with the umbrella-shaped sleeve, the top of an inner cavity of the bottom plate is fixedly connected with the additional assembly and the miniature comprehensive protection device through screws, the number of the strip frames is four, the right side walls of the four strip frames are fixedly connected with hinges through screws, movable plates of the hinges are respectively connected with a first door leaf, a second door leaf, a third door leaf and a fifth door leaf through screws, and the bottom of the inner cavity of the additional assembly is fixedly connected with a charge control on-off switch, a secondary loop detector, a mutual inductor and an independent, the electric output ends of the charge control throw-return switch and the secondary circuit detector are electrically connected with the independent voltage transformer through wires, the electric output end of the independent voltage transformer is electrically connected with the mutual inductor through wires, the electric output end of the mutual inductor is electrically connected with a combined wiring box through a cable, the electric output end of the combined wiring box is electrically connected with an electricity meter through a cable, the electric output end of the electricity meter is electrically connected with a vacuum circuit breaker through a cable, the electric output end of the vacuum circuit breaker is electrically connected with a protection mutual inductor through wires, the electric output end of the protection mutual inductor is electrically connected with the miniature comprehensive protection device through wires, the electric output end of the miniature comprehensive protection device is electrically connected with the vacuum circuit breaker through wires, and the electric output end of the vacuum circuit breaker is electrically connected with a control, the electric input end of the control wiring terminal is electrically connected with the miniature comprehensive protection device, the opening and closing switch, the change-over switch, the special transformer acquisition terminal, the alarm switch and the remote signaling device, and the electric output end of the control wiring terminal is electrically connected with the electric input end of the special transformer acquisition terminal through a wire.
Preferably, the top plate and the bottom plate are both square, and the area of the top plate is the same as that of the bottom plate.
Preferably, the inner sides of the second door leaf and the fifth door leaf are movably connected with an inner door plate through hinges, the left side wall and the right side wall of the inner door plate are provided with grooves, a latticed observation window is embedded in an inner cavity of each groove and made of a 5mm toughened glass plate, and the front side walls of the first door leaf, the second door leaf, the third door leaf and the fifth door leaf are fixedly connected with electromagnetic locks through screws.
Preferably, the number of the umbrella-shaped sleeves is two, the mounting center points of the two umbrella-shaped sleeves are perpendicular, and the output ends of the two umbrella-shaped sleeves are provided with openings.
Preferably, the electrical output end of the vacuum circuit breaker is electrically connected with an external switch cabinet and a display.
Preferably, the voltage value of the independent voltage transformer is 220V.
A connection method of an intelligent 10kV prepaid floor metering device comprises the following steps:
s1: electric meter connection: a high-voltage incoming cable is electrically connected with the mutual inductor and the independent voltage mutual inductor in series, and a secondary cable of the mutual inductor is connected to the joint wiring box and then led to the ammeter;
s2: displaying connection: the protection transformer is connected to the lower pile head of the vacuum circuit breaker and outputs weak current to the display, when the high-voltage cable is electrified, the display is lightened, and the display is electrified;
s3: touch connection: the protection mutual inductor is arranged at the back of the vacuum circuit breaker, secondary current is output to the miniature comprehensive protection device, the current is judged through the miniature comprehensive protection device, a tripping signal is sent out when the current exceeds a protection fixed value arranged in the miniature protection device, and the opening of the vacuum circuit breaker is triggered, wherein when the vacuum circuit breaker is opened or protected to trip, an opening indicator lamp is on; after the vacuum circuit breaker is switched on and supplies power, a switching-on indicating lamp is turned on;
s4: and (3) switch connection: the vacuum circuit breaker is used for leading in an opening/closing signal line to the control wiring terminal, the opening/closing switch, the change-over switch and the miniature comprehensive protection device, the remote signaling device and the alarm switch are led in the control wiring terminal and led to the special transformer acquisition terminal, and the upper pile head of the vacuum circuit breaker is led to the external switch cabinet by using a high-voltage outgoing cable.
Compared with the prior art, the invention has the beneficial effects that: the intelligent 10kV prepayment floor metering device and the connection method thereof ensure that the whole cabinet body can be opened at four sides through the combined application of accessories, are convenient for later maintenance and overhaul, are matched with an inner plate with a latticed observation window for convenient internal observation, can ensure that the space sense in the cabinet is not compact after being matched with an additional assembly, can achieve the guide effect on the inlet and outlet of a cable by adding two groups of umbrella-shaped sleeves, solve the defect that a client with larger power consumption is difficult to install due to too thick cable, can output a state change signal and realize illegal box opening alarm, have the protection function of automatic breaking when overload, short circuit, inrush current or undervoltage protection and the like occur, are convenient to be matched with a signal device, and carry out remote switching on/off on a user after passing through a charge control system of a power supply company in a remote mode, the probability and the electricity utilization risk of tripping of a main line or a substation of an electric power company and the workload of the electric power company are reduced, and the recovery matching performance of the monthly electric charge is strong.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal perspective structure of the present invention;
FIG. 3 is a schematic view of a series system of an add-on assembly and a micro integrated protection device accessory according to the present invention;
FIG. 4 is a schematic diagram of the connection method of the present invention.
In the figure: 100 top plates, 101 frames, 110 bottom plates, 120 first door leaves, 130 second door leaves, 140 third door leaves, 150 fifth door leaves, 200 umbrella-shaped sleeves, 210 openings, 300 additional assemblies and 400 micro comprehensive protection devices.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides an intelligent 10kV prepaid floor metering device and a connection method thereof, which are convenient for maintenance and repair, increase safety and facilitate the matching during the collection of electric charges by the combined application of accessories, please refer to fig. 1-4, and comprise a top plate 100, an umbrella-shaped sleeve 200, an additional assembly 300 and a miniature comprehensive protection device 400;
referring to fig. 2 again, the bottom of the top plate 100 is provided with the strip frames 101, specifically, the bottom of the top plate 100 is welded with the strip frames 101, the bottom of the strip frames 101 is welded with the bottom plate 110, the number of the strip frames 101 is four, the right side walls of the four strip frames 101 are all fixedly connected with hinges through screws, the movable plates of the hinges are respectively connected with the first door leaf 120, the second door leaf 130, the third door leaf 140 and the fifth door leaf 150 through screws, and the combination of the four door leaves facilitates opening on four sides;
referring to fig. 2 again, the bottom of the umbrella-shaped sleeve 200 is fixedly connected to the top of the top plate 100, specifically, the top of the top plate 100 and the bottom of the bottom plate 110 are both provided with circular holes, and the circumferential inner walls of the circular holes are in threaded connection with the umbrella-shaped sleeve 200;
referring to fig. 2 again, the bottom of the additional assembly 300 is fixedly connected with the top of the inner cavity of the base plate 110, specifically, the top of the inner cavity of the base plate 110 is fixedly connected with the additional assembly 300 through screws, the bottom of the inner cavity of the additional assembly 300 is fixedly connected with a cost control on/off switch, a secondary circuit detector, a mutual inductor and an independent voltage mutual inductor through screws, the electrical output ends of the cost control on/off switch and the secondary circuit detector are electrically connected with the independent voltage mutual inductor through wires, and the electrical output end of the independent voltage mutual inductor is electrically connected with the mutual inductor through wires, wherein the cost control on/off switch, the secondary circuit detector, the mutual inductor and the independent voltage mutual inductor can be selected from conventional models on the market or flexibly selected;
referring to fig. 3 again, the bottom of the micro integrated protection device 400 is fixedly connected to the top of the inner cavity of the base plate 100, specifically, the top of the inner cavity of the base plate 110 is fixedly connected to the micro integrated protection device 400 through screws, the electrical output terminal of the transformer is electrically connected to the joint wiring box through a cable, the electrical output terminal of the joint wiring box is electrically connected to the electricity meter through a cable, the electrical output terminal of the electricity meter is electrically connected to the vacuum circuit breaker through a cable, the electrical output terminal of the vacuum circuit breaker is electrically connected to the protection transformer through a wire, the electrical output terminal of the protection transformer is electrically connected to the micro integrated protection device 400 through a wire, the electrical output terminal of the micro integrated protection device 400 is electrically connected to the vacuum circuit breaker through a wire, the electrical output terminal of the vacuum circuit breaker is electrically connected, The intelligent control system comprises a switching-on and switching-off device, a change-over switch, a special transformer acquisition terminal, an alarm switch and a remote signaling device, wherein the electrical output end of a control connecting terminal is electrically connected with the electrical input end of the special transformer acquisition terminal through a wire, the electrical output end of a vacuum circuit breaker is electrically connected with an external switch cabinet and a display, and the voltage value of an independent voltage transformer is 220V;
a connection method of an intelligent 10kV prepaid floor metering device comprises the following steps:
s1: electric meter connection: the high-voltage incoming cable is electrically connected with the mutual inductor and the independent voltage mutual inductor in series, and the secondary cable of the mutual inductor is connected to the joint wiring box and then led to the ammeter;
s2: displaying connection: the protection transformer is connected with a lower pile head of the vacuum circuit breaker and outputs weak current to the display, when the high-voltage cable is electrified, the display is lightened, and the display is electrified;
s3: touch connection: a protection mutual inductor is arranged at the back of the vacuum circuit breaker, secondary current is output to the miniature comprehensive protection device 400, the current is judged through the miniature comprehensive protection device 400, a tripping signal is sent out when the current exceeds a protection fixed value arranged in the miniature protection device 400, the opening of the vacuum circuit breaker is triggered, and when the vacuum circuit breaker is opened or protected to trip, an opening indicating lamp is turned on; after the vacuum circuit breaker is switched on and supplies power, a switching-on indicator lamp is on;
s4: and (3) switch connection: the remote signaling device can detect the state of the switch through the remote signaling signal line after the charge control system of a power company sends an instruction, and then feeds back the state information of the switch to the charge control system to judge whether the switch is normally switched on or off.
When the high-voltage cable is used specifically, a high-voltage incoming cable is electrically connected with a mutual inductor and an independent voltage mutual inductor in series, a secondary cable of the mutual inductor is connected to a combined wiring box and then led to an ammeter, the secondary cable is connected to a lower pile head of a vacuum circuit breaker and is connected with a protection mutual inductor to output weak current to a display, when the high-voltage cable is electrified, the display is lightened, the display is electrified, the protection mutual inductor is arranged on the back of the vacuum circuit breaker and outputs secondary current to a miniature comprehensive protection device 400, the current is judged through the miniature comprehensive protection device 400, when the current exceeds a protection constant value arranged in the miniature protection device 400, a tripping signal is sent out to trigger the vacuum circuit breaker to trip, and when the vacuum circuit breaker trips or the protection trips, a; after the vacuum circuit breaker is switched on and powered on, a switching-on indicator lamp is turned on, a switching-off/switching-on signal line is led to a control wiring terminal through the vacuum circuit breaker and led to a switching-on/switching-off switch, a change-over switch and a miniature comprehensive protection device, a remote signaling device and an alarm switch are led to the control wiring terminal and led to a special transformer acquisition terminal, and a high-voltage outgoing cable is led to an external switch cabinet by an upper pile head of the vacuum circuit breaker.
Referring to fig. 1 again, in order to realize a regular overall frame shape, specifically, the top plate 100 and the bottom plate 110 are both square, and the area of the top plate 100 is the same as that of the bottom plate 110.
Referring to fig. 1 again, in order to increase the observable effect and facilitate opening and closing, specifically, the inner sides of the second door leaf 130 and the fifth door leaf 150 are movably connected with an inner door plate through hinges, the left and right side walls of the inner door plate are provided with grooves, a latticed observation window is embedded in an inner cavity of the groove, the latticed observation window is made of a 5mm toughened glass plate, the front side walls of the first door leaf 120, the second door leaf 130, the third door leaf 140 and the fifth door leaf 150 are fixedly connected with electromagnetic locks through screws, and the latticed observation window has deformation resistance, corrosion resistance and ageing resistance, and effectively ensures the service life of the latticed observation window.
Referring to fig. 1 again, in order to increase the speed of the assembly in cooperation with the lead wire, specifically, the number of the umbrella-shaped sleeves 200 is two, the installation center points of the two umbrella-shaped sleeves 200 are perpendicular, the output ends of the two umbrella-shaped sleeves 200 are both provided with openings 210, and the openings 210 have a larger diameter, so that the guiding is facilitated.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (7)
1. The utility model provides an intelligence 10kV prepayment metering device that falls to ground which characterized in that: the novel integrated protection device comprises a top plate (100), an umbrella-shaped sleeve (200), an additional assembly component (300) and a miniature integrated protection device (400), wherein a strip frame (101) is welded at the bottom of the top plate (100), a bottom plate (110) is welded at the bottom of the strip frame (101), round holes are formed in the top of the top (100) and the bottom of the bottom plate (110), the circumferential inner walls of the round holes are in threaded connection with the umbrella-shaped sleeve (200), the top of an inner cavity of the bottom plate (110) is fixedly connected with the additional assembly component (300) and the miniature integrated protection device (400) through screws, the number of the strip frames (101) is four, hinges are fixedly connected to the right side walls of the four strip frames (101) through screws, and movable plates of the hinges are respectively connected with a first door leaf (120), a second door leaf (130), a third door leaf (140) and a fifth door leaf (150), the bottom of the inner cavity of the additional assembly (300) is fixedly connected with a cost control on-off switch, a secondary circuit detector, a mutual inductor and an independent voltage mutual inductor through screws, the electrical output ends of the cost control on-off switch and the secondary circuit detector are electrically connected with the independent voltage mutual inductor through leads, the electrical output end of the independent voltage mutual inductor is electrically connected with the mutual inductor through leads, the electrical output end of the mutual inductor is electrically connected with a combined wiring box through a cable, the electrical output end of the combined wiring box is electrically connected with an electric meter through a cable, the electrical output end of the electric meter is electrically connected with a vacuum circuit breaker through a cable, the electrical output end of the vacuum circuit breaker is electrically connected with a protection mutual inductor through leads, the electrical output end of the protection mutual inductor is electrically connected with the miniature comprehensive, the electric property output end of the miniature comprehensive protection device (400) is electrically connected with the vacuum circuit breaker through a wire, the electric property output end of the vacuum circuit breaker is electrically connected with a control wiring terminal through a wire, the electric property input end of the control wiring terminal is electrically connected with the miniature comprehensive protection device (400), the opening and closing switch, the change-over switch, the special transformer acquisition terminal, the alarm switch and the remote signaling device, and the electric property output end of the control wiring terminal is electrically connected with the electric property input end of the special transformer acquisition terminal through a wire.
2. The intelligent 10kV pre-paid floor metering device of claim 1, wherein: the top plate (100) and the bottom plate (110) are both square in shape, and the area of the top plate (100) is the same as that of the bottom plate (110).
3. The intelligent 10kV pre-paid floor metering device of claim 1, wherein: the inner sides of the second door leaf (130) and the fifth door leaf (150) are movably connected with an inner door leaf through hinges, the left side wall and the right side wall of the inner door leaf are provided with grooves, a latticed observation window is embedded in an inner cavity of each groove and made of 5mm toughened glass plates, and the front side walls of the first door leaf (120), the second door leaf (130), the third door leaf (140) and the fifth door leaf (150) are fixedly connected with electromagnetic locks through screws.
4. The intelligent 10kV pre-paid floor metering device of claim 1, wherein: the number of umbrella shape sleeve pipe (200) is two, two the installation central point of umbrella shape sleeve pipe (200) is perpendicular, two opening (210) have all been seted up to the output of umbrella shape sleeve pipe (200).
5. The intelligent 10kV pre-paid floor metering device of claim 1, wherein: and the electrical output end of the vacuum circuit breaker is electrically connected with an external switch cabinet and a display.
6. The intelligent 10kV pre-paid floor metering device of claim 1, wherein: the voltage value of the independent voltage transformer is 220V.
7. A method of connecting an intelligent 10kV pre-paid floor-based metering device according to any of claims 1-6, wherein: the connection method of the intelligent 10kV prepaid floor metering device comprises the following steps:
s1: electric meter connection: a high-voltage incoming cable is electrically connected with the mutual inductor and the independent voltage mutual inductor in series, and a secondary cable of the mutual inductor is connected to the joint wiring box and then led to the ammeter;
s2: displaying connection: the protection transformer is connected to the lower pile head of the vacuum circuit breaker and outputs weak current to the display, when the high-voltage cable is electrified, the display is lightened, and the display is electrified;
s3: touch connection: the protection mutual inductor is arranged at the back of the vacuum circuit breaker, secondary current is output to the miniature comprehensive protection device (400), the magnitude of the current is judged through the miniature comprehensive protection device (400), a tripping signal is sent out when the current exceeds a protection fixed value arranged in the miniature protection device (400), the opening of the vacuum circuit breaker is triggered, and an opening indicator lamp is turned on when the vacuum circuit breaker is opened or protected to trip; after the vacuum circuit breaker is switched on and supplies power, a switching-on indicating lamp is turned on;
s4: and (3) switch connection: the vacuum circuit breaker is used for leading in an opening/closing signal line to the control wiring terminal, the opening/closing switch, the change-over switch and the miniature comprehensive protection device, the remote signaling device and the alarm switch are led in the control wiring terminal and led to the special transformer acquisition terminal, and the upper pile head of the vacuum circuit breaker is led to the external switch cabinet by using a high-voltage outgoing cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911218840.4A CN111308183A (en) | 2019-12-03 | 2019-12-03 | Intelligent 10kV prepayment floor metering device and connection method thereof |
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| CN201911218840.4A CN111308183A (en) | 2019-12-03 | 2019-12-03 | Intelligent 10kV prepayment floor metering device and connection method thereof |
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Application publication date: 20200619 |