CN105470833A - Floor type prepayment apparatus - Google Patents
Floor type prepayment apparatus Download PDFInfo
- Publication number
- CN105470833A CN105470833A CN201610037675.2A CN201610037675A CN105470833A CN 105470833 A CN105470833 A CN 105470833A CN 201610037675 A CN201610037675 A CN 201610037675A CN 105470833 A CN105470833 A CN 105470833A
- Authority
- CN
- China
- Prior art keywords
- line
- tri
- isolating switch
- land
- station isolating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
- H02B1/48—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/202—Cable lay-outs
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
Abstract
A floor type prepayment apparatus is disclosed. The floor type prepayment apparatus comprises a box body, wherein the four surfaces of the box body are provided with doors; a control chamber and a measuring chamber are arranged on the front surface in the box body; a wire-inlet/outlet chamber is arranged in the right side face; a switch chamber is arranged in the middle; overhaul channels are formed in the left side face and the right side face. The floor type prepayment apparatus is simple and compact in structure, safer and more reliable.
Description
Technical field
The present invention relates to field of power, be specifically related to one and land prepaid devices.
Background technology
High-voltage prepaid metering device is as power equipment important in electric power system, be mainly used in connecting electric power system, being made up of High-voltage measuring box, high-voltage switch gear, control cabinet, stube cable, mounting bracket etc., is that the foundation of electric energy trade settlement is also the effective means controlling electricity charge risk simultaneously.Along with the development of power technology, popular various metering control on market, wherein have common simple, have land, have on post, that have pre-payment type, have and look meter and charge, but existing high-voltage prepaid metering device batch meter inner structure is complicated, internal wiring is messy, for maintenance and staff carries out data acquisition and maintenance and inspection bring all inconvenience, reduce operating efficiency.In current electric power system, 10kV high-voltage prepayment device mainly adopts the additional batch meter of outdoor vacuum circuit breaker on post to carry out electric energy prepayment metering, and the general setting height(from bottom) of this mode is higher, not easily checks meter and keeps in repair, and secondary measurement line is longer, and easily metering is inaccurate.Also some adopts and lands prepaying batch meter, batch meter and vacuum circuit-breaker is placed in an enclosed housing, easy to maintenance, but does not reach five anti-requirements, there is potential safety hazard.High-voltage prepaid metering device in the market, once there is High-voltage measuring box fault, can cause the power failure of user or even whole piece 10KV public line, have impact on power supply reliability, so, control the impact that high-voltage meter fault is run 10KV circuit, raising power supply quality, simplification device structure, lifting good service level are all significant.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of compact conformation simple, the safer pre-payment the complete sets of equipment that land reliably.
The invention provides one and land prepaid devices, comprise casing, wherein open the door in casing four sides, and in casing, front is control room and measuring room, and right flank is line-in and line-out chamber, and centre is switch gear room, and left surface and trailing flank are access path;
Control room is provided with vacuum circuit breaker operating device, observation window, electrification display panel, short circuit and earth fault indication panel:
Vacuum circuit breaker operating device for operate tri-station isolating switch, with high-pressure vacuum breaker mechanical latching, Non-follow control and display circuit-breaker switching on-off;
Boundary controller is used for the control of various protection and pre-payment;
Observation window is for observing tri-station isolating switch fracture;
Electrification display panel and short circuit and earth fault indication panel are respectively used to show charged information and short circuit and earth fault information;
Metering indoor location electric energy meter and terminal;
Wall bushing is installed by line-in and line-out chamber, can be connected by tangible cable termination plug joint with line;
Be provided with metering instrument transformer, high-pressure vacuum breaker and tri-station isolating switch in switch gear room, wherein metering instrument transformer is arranged on the top in switch gear room, and circular chute is arranged at bottom; Tri-station isolating switch is arranged on the bottom in switch gear room, is interlocked by vacuum circuit breaker operating device and high-pressure vacuum breaker;
On dividing plate, be provided with observation window just to tri-station isolating switch, tri-station isolating switch can be observed directly and whether disconnect;
Four summits place of box cover arranges the temperature sensor and humidity sensor that are connected with central controller respectively, wherein the temperature and humidity of four temperature sensors and four humidity sensor measurements respectively is T1, T2, T3, T4, and H1, H2, H3, H4, obtain temperature value T and humidity value H after being handled as follows respectively:
T
11＝0.15×T1+0.2×T2+0.25×T3+0.4×T4；
T
12＝0.15×T3+0.2×T4+0.25×T1+0.4×T2；
H
11＝0.18×H1+0.26×H2+0.22×H3+0.34×H4；
H
12＝0.18×H2+0.26×H4+0.22×H1+0.34×H3；
Temperature value T when after treatment exceedes default temperature threshold M and/or humidity value H when exceeding default humidity threshold N, automatically power failure operation is carried out, observe tri-station isolating switch by observation window whether to disconnect, then maintainer safeguards switch gear room and line-in and line-out chamber and overhauls, and carries out power transmission operation after maintenance.
Further, four doors of casing adopt the thick galvanized sheet of 2mm to separate.
Further, measuring room is by transparent table case encapsulation.
Further, the access path on rear side of casing is provided with one deck polymethyl methacrylate protective door after opening the door.
Further, described upper cover sunk type rain-proof cover.
Further, long cable section of ingoing line is by tangible cable plug connector, be connected to the inlet wire side of the inlet wire wall bushing of line-in and line-out chamber, the dividing plate of switch gear room and line-in and line-out chamber is passed by wall bushing, enter switch gear room, then metering instrument transformer inlet wire side is connected to by copper bar, it is suitable for reading that metering instrument transformer outgoing line side is connected to side-mounted high-pressure vacuum breaker through copper bar, through arc control device to vacuum circuit-breaker end opening, then tri-station isolating switch is connected to by copper bar, line-in and line-out chamber is drawn out to finally by outgoing line wall bushing, by tangible cable plug connector outgoing cable, realize one by connect-disconnect plug to enter to have more.
The prepaid devices that lands of the present invention, can realize:
1) integrated level is high, powerful, compact conformation, safe and reliable;
2) box cover has certain slope, prevents rainwater from piling up, and box cover adopts sinkage type structure, can effectively prevent rainwater from entering casing along cover rim;
3) installation of slide track, makes device convenient disassembly, safeguard and overhaul convenient;
4) setting of temperature and moisture sensors, monitoring of environmental data that can be real-time, temperature and humidity scope when using for device normal is carried out threshold value and is compared, make device not fragile, longer service life, and the temperature and humidity value after optimizing, makes monitoring environmental data more accurately good, device usefulness improves.
Accompanying drawing explanation
Fig. 1 lands prepaid devices axonometric drawing one
Fig. 2 lands prepaid devices axonometric drawing two
Fig. 3 lands prepaid devices axonometric drawing three
Fig. 4 lands prepaid devices front view
Fig. 5 lands prepaid devices cut-away view
Embodiment
The following detailed description of specific embodiment of the invention; what be necessary to herein means out is; below implement just to further illustrate for of the present invention; limiting the scope of the invention can not be interpreted as; some nonessential improvement and adjustment that this art skilled person makes the present invention according to the invention described above content, still belong to protection scope of the present invention.
The invention provides one and land prepaid devices, as shown in Figure 1, comprise casing 1, wherein open the door in casing 1 four sides, and in casing 1, front is control room 2 and measuring room 3, and right flank is line-in and line-out chamber 4, centre is switch gear room, as shown in Figures 2 and 3, left surface and be access path 5 below, four doors of casing adopt the thick galvanized sheets of 2mm to separate Accident prevention to spread.As shown in Figure 4, control room 2 is provided with vacuum circuit breaker operating device 6, boundary controller 7, electrification display panel, short circuit and earth fault indication panel etc., wherein vacuum circuit breaker operating device 6 for disconnecting switch operation, with vacuum circuit-breaker mechanical latching, boundary controller 7 controls to use for various protection, pre-payment, isolating switch fracture is observed by observation window 8, vacuum circuit breaker operating device Non-follow control and display circuit-breaker switching on-off, in control room, a central controller is also set, respectively with the equipment connection in device, for centralized control and operating means, in measuring room 3, electric energy meter and terminal are installed, by transparent table case encapsulation, prevent user from stealing electricity, line-in and line-out chamber 4 is installed wall bushing 9, is connected with line by tangible cable termination plug joint, and line-in and line-out chamber is all tangible, safe and reliable, as shown in Figure 5, switch indoor location metering instrument transformer 10, high-pressure vacuum breaker 11 and tri-station isolating switch 12, wherein metering instrument transformer 10 is arranged on the top in switch gear room, circular chute is arranged at bottom, metering instrument transformer 10 directly can be extracted out on the left of casing, be convenient for changing, tri-station isolating switch is arranged on the bottom in switch gear room, interlocked by vacuum circuit breaker operating device 6 and high-pressure vacuum breaker 11, there are five perfect anti-functions, on dividing plate, observation window 7 is provided with just to isolating switch, isolating switch can be observed directly whether disconnect, maintenance activity is carried out when ensureing power-off, substantially increase the fail safe of maintenance personal.Also be provided with access path on rear side of casing, access path is provided with one deck polymethyl methacrylate protective door after opening the door, and not only clearly can see the inside isolating switch fracture clearly, can isolate again with live part, safe and reliable.
Long cable section of ingoing line is by tangible cable plug connector; be connected to the inlet wire side of the inlet wire wall bushing 9 of line-in and line-out chamber 4; the dividing plate of switch gear room and line-in and line-out chamber 4 is passed by wall bushing 9; enter switch gear room; then combined instrument transformer inlet wire side is connected to by copper bar; bus type being installed between combined instrument transformer and inlet wire wall bushing and protecting instrument transformer, protecting for secondary circuit for sampling load current.It is suitable for reading that combined instrument transformer outgoing line side is connected to side-mounted high-pressure vacuum breaker through copper bar, through arc control device to vacuum circuit-breaker end opening, then tri-station isolating switch 12 is connected to by copper bar, line-in and line-out chamber 4 is drawn out to finally by outgoing line wall bushing, by tangible cable plug connector outgoing cable, one can be realized by connect-disconnect plug and enter to have more.
Whole major loop copper bar all adopts compound insulating sleeve protected, and except isolating switch incision position is all tangible, overall operation is safe and reliable, avoids toy to enter and causes the fault such as short circuit, ground connection.Tri-station isolating switch 12 and high-pressure vacuum breaker 11 are undertaken chain by three station operating mechanisms, have five perfect anti-facilities:
1. really can only divide at circuit breaker and have no progeny, handle could be forwarded to " disjunction " position from " work " position, divide, close isolating switch, prevent on-load from dividing, close isolating switch.
2. when circuit breaker and upper and lower isolating switch are all in "on" position, handle can not go to " maintenance " or " disjunction " position, avoids point circuit breaker by mistake, when handle is in " disjunction " position, can only the upper and lower isolating switch of splitting or integrating, can not circuit breaker be closed, avoid falsely close circuit breaker.
3., when the non-separating brake of upper and lower isolating switch, earthed switch would not close, and handle can not forward " maintenance " position to from " disjunction " position, can prevent live connection of ground wire.
4. the non-separating brake of earthed switch, upper and lower isolating switch would not close, and can prevent line with ground from closing upper and lower isolating switch.
As follows in concrete operations:
1. power failure operation
The prepaid devices that lands is in service position, and namely tri-station isolating switch and high-pressure vacuum breaker are in "on" position, is in charging operation, and now handle is in " work one " position.Point circuit breaker, handle forwards to " disjunction " position, at this moment circuit breaker can not close a floodgate, and handle hole movable tongue is unlocked, and reverses in operating grip update hole, point isolating switch, closes earthed switch.Take out operating grip, at this moment can forward handle to " maintenance " position from " disjunction " position, now handle hole movable tongue is closed, and power failure operation is complete, whether can observe isolating switch by observation window to disconnect, then maintainer can safeguard switch gear room and line-in and line-out chamber and overhaul.
2. power transmission operation
Overhaul complete, forward handle to " disjunction " position from " maintenance " position, circuit breaker can not close a floodgate, and handle hole movable tongue is unlocked, by clockwise in operating grip update hole, divide earthed switch, close isolating switch, take out operating grip, handle is forwarded to " work " position from " disjunction " position, now handle hole movable tongue is closed, at this moment can by breaker closing, power transmission end of operation.
In actual applications, four summits place of casing 1 upper cover arranges a temperature sensor and a humidity sensor respectively, wherein the temperature and humidity of four temperature sensors and four humidity sensor measurements respectively is T1, T2, T3, T4, and H1, H2, H3, H4, obtains temperature value T and humidity value H after being handled as follows respectively:
T
11＝0.15×T1+0.2×T2+0.25×T3+0.4×T4；
T
12＝0.15×T3+0.2×T4+0.25×T1+0.4×T2；
H
11＝0.18×H1+0.26×H2+0.22×H3+0.34×H4；
H
12＝0.18×H2+0.26×H4+0.22×H1+0.34×H3；
Temperature value T when after treatment exceedes default temperature threshold M and/or humidity value H when exceeding default humidity threshold N, automatically power failure operation is carried out, observe tri-station isolating switch by observation window whether to disconnect, then maintainer safeguards switch gear room and line-in and line-out chamber and overhauls, and carries out power transmission operation after maintenance.
Second protection loop is made up of short circuit and earth-fault indicator, electrification display, intelligent demarcation controller, protection instrument transformer, has charged display, ground connection and faulty indication, divide-shut brake instruction, remote control and manual divide-shut brake function.There is fast tripping protection, overcurrent protection, zero-sequenceprotection, No. three reclosings, reclosing, closing by hand distant control function, full chinese liquid crystal display under Accelerated trip, bar on fault point; definite value, GSM communication function are set by button, the functions such as fault active reporting.
Short circuit and earth-fault indicator are by main frame, and three short trouble transducers, a ground fault sensor and fiber-optic signal line form.Transducer detects short-circuit current and earth fault current, and transmitting stage main frame.The out of order trigger point of sensor internal, when transducer detects electric Chinese pulse value higher than preset value, Signal transmissions is to main frame, and the pulse duration (i.e. fault time of delay) of CPU failure judgement waveform and fault pulsation punching in main frame, if signal also reaches preset value, LED relevant on main frame will glimmer to show fault.
Short trouble transducer: the short circuit current instrument transformer being provided with fault current circuits for triggering, transfers signals to main frame when fault current being detected by optical fiber.
Ground fault sensor: the zero sequence current mutual inductor arranging fault current circuits for triggering, when single phase ground fault appears in cable, when causing three-phase current vector summation non-vanishing, transducer detects fault and signal is defeated by main frame.
Electrification display is transferred to main frame by the induced electricity on wall bushing, and charged then indicator light is bright, and operating maintenance personnel major loop can be pointed out whether to have electricity.
Intelligent demarcation controller compares judgement line fault by protecting instrument transformer and zero-sequence transformer sensed current signal and set customization; thus carry out respective handling; there is fast tripping protection, overcurrent protection, zero-sequenceprotection, No. three reclosings, reclosing, closing by hand distant control function, full chinese liquid crystal display under Accelerated trip, bar on fault point; definite value, GSM communication function are set by button, the functions such as fault active reporting.
Although for illustrative purposes; describe illustrative embodiments of the present invention; but it should be appreciated by those skilled in the art that; when not departing from scope of invention disclosed in claims and spirit; the change of various amendment, interpolation and replacement etc. can be carried out in form and details; and all these change the protection range that all should belong to claims of the present invention; and application claims protection each department of product and method in each step, can combine with the form of combination in any.Therefore, be not intended to limit the scope of the invention to the description of execution mode disclosed in the present invention, but for describing the present invention.Correspondingly, scope of the present invention not by the restriction of above execution mode, but is limited by claim or its equivalent.
Claims (7)
1. land a prepaid devices, comprise casing, wherein open the door in casing four sides, and in casing, front is control room and measuring room, and right flank is line-in and line-out chamber, and centre is switch gear room, and left surface and trailing flank are access path, it is characterized in that:
Control room is provided with vacuum circuit breaker operating device, observation window, electrification display panel, short circuit and earth fault indication panel:
Vacuum circuit breaker operating device for operate tri-station isolating switch, with high-pressure vacuum breaker mechanical latching, Non-follow control and display circuit-breaker switching on-off;
Boundary controller is used for the control of various protection and pre-payment;
Observation window is for observing tri-station isolating switch fracture;
Electrification display panel and short circuit and earth fault indication panel are respectively used to show charged information and short circuit and earth fault information;
Metering indoor location electric energy meter and terminal;
Wall bushing is installed by line-in and line-out chamber, can be connected by tangible cable termination plug joint with line;
Be provided with metering instrument transformer, high-pressure vacuum breaker and tri-station isolating switch in switch gear room, wherein metering instrument transformer is arranged on the top in switch gear room, and circular chute is arranged at bottom; Tri-station isolating switch is arranged on the bottom in switch gear room, is interlocked by vacuum circuit breaker operating device and high-pressure vacuum breaker;
On dividing plate, be provided with observation window just to tri-station isolating switch, tri-station isolating switch can be observed directly and whether disconnect;
Four summits place of box cover arranges the temperature sensor and humidity sensor that are connected with central controller respectively, wherein the temperature and humidity of four temperature sensors and four humidity sensor measurements respectively is T1, T2, T3, T4, and H1, H2, H3, H4, obtain temperature value T and humidity value H after being handled as follows respectively:
T
11＝0.15×T1+0.2×T2+0.25×T3+0.4×T4；
T
12＝0.15×T3+0.2×T4+0.25×T1+0.4×T2；25
H
11＝0.18×H1+0.26×H2+0.22×H3+0.34×H4；
H
12＝0.18×H2+0.26×H4+0.22×H1+0.34×H3；
Temperature value T when after treatment exceedes default temperature threshold M and/or humidity value H when exceeding default humidity threshold N, automatically power failure operation is carried out, observe tri-station isolating switch by observation window whether to disconnect, then maintainer safeguards switch gear room and line-in and line-out chamber and overhauls, and carries out power transmission operation after maintenance.
2. land prepaid devices as claimed in claim 1, it is characterized in that: four doors of casing adopt the thick galvanized sheets of 2mm to separate.
3. land prepaid devices as claimed in claim 1, it is characterized in that: measuring room is by transparent table case encapsulation.
4. land prepaid devices as claimed in claim 1, it is characterized in that: the access path on rear side of casing is provided with one deck polymethyl methacrylate protective door after opening the door.
5. land prepaid devices as claimed in claim 1, it is characterized in that: described upper cover sunk type rain-proof cover.
6. land prepaid devices as claimed in claim 1, it is characterized in that: long cable section of ingoing line is by tangible cable plug connector, be connected to the inlet wire side of the inlet wire wall bushing of line-in and line-out chamber, the dividing plate of switch gear room and line-in and line-out chamber is passed by wall bushing, enter switch gear room, then metering instrument transformer inlet wire side is connected to by copper bar, it is suitable for reading that metering instrument transformer outgoing line side is connected to side-mounted high-pressure vacuum breaker through copper bar, through arc control device to vacuum circuit-breaker end opening, then tri-station isolating switch is connected to by copper bar, line-in and line-out chamber is drawn out to finally by outgoing line wall bushing, by tangible cable plug connector outgoing cable, realize one by connect-disconnect plug to enter to have more.
7. land prepaid devices as claimed in claim 5, it is characterized in that: described upper cover sunk type rain-proof cover has the gradient of 3-18 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610037675.2A CN105470833B (en) | 2016-01-20 | 2016-01-20 | One kind landing prepaid devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610037675.2A CN105470833B (en) | 2016-01-20 | 2016-01-20 | One kind landing prepaid devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105470833A true CN105470833A (en) | 2016-04-06 |
| CN105470833B CN105470833B (en) | 2017-07-28 |
Family
ID=55608282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610037675.2A Active CN105470833B (en) | 2016-01-20 | 2016-01-20 | One kind landing prepaid devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105470833B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111308183A (en) * | 2019-12-03 | 2020-06-19 | 江西光景电力设备有限公司 | Intelligent 10kV prepayment floor metering device and connection method thereof |
| CN112886531A (en) * | 2021-02-07 | 2021-06-01 | 鄂尔多斯市嵘泰电力工程建设有限公司 | Controller for fee-controlled electric meter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202171843U (en) * | 2011-08-16 | 2012-03-21 | 中山市百顺电气设备有限公司 | High-voltage electric energy prepayment metering control device |
| CN202995510U (en) * | 2012-11-14 | 2013-06-12 | 福建省电力有限公司 | Ventilation and cooling device of electric power capacitor chamber |
| CN203616365U (en) * | 2013-12-19 | 2014-05-28 | 国家电网公司 | A 10KV voltage class prepaid meter independent high voltage metering box |
| CN203722080U (en) * | 2014-02-19 | 2014-07-16 | 郴州煜星高科电气设备有限责任公司 | High-voltage pre-order electricity metering cabinet |
| WO2015104740A1 (en) * | 2014-01-10 | 2015-07-16 | パナソニックＩｐマネジメント株式会社 | Control system and distribution board |
-
2016
- 2016-01-20 CN CN201610037675.2A patent/CN105470833B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202171843U (en) * | 2011-08-16 | 2012-03-21 | 中山市百顺电气设备有限公司 | High-voltage electric energy prepayment metering control device |
| CN202995510U (en) * | 2012-11-14 | 2013-06-12 | 福建省电力有限公司 | Ventilation and cooling device of electric power capacitor chamber |
| CN203616365U (en) * | 2013-12-19 | 2014-05-28 | 国家电网公司 | A 10KV voltage class prepaid meter independent high voltage metering box |
| WO2015104740A1 (en) * | 2014-01-10 | 2015-07-16 | パナソニックＩｐマネジメント株式会社 | Control system and distribution board |
| CN203722080U (en) * | 2014-02-19 | 2014-07-16 | 郴州煜星高科电气设备有限责任公司 | High-voltage pre-order electricity metering cabinet |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111308183A (en) * | 2019-12-03 | 2020-06-19 | 江西光景电力设备有限公司 | Intelligent 10kV prepayment floor metering device and connection method thereof |
| CN112886531A (en) * | 2021-02-07 | 2021-06-01 | 鄂尔多斯市嵘泰电力工程建设有限公司 | Controller for fee-controlled electric meter |
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| Publication number | Publication date |
|---|---|
| CN105470833B (en) | 2017-07-28 |
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Denomination of invention: A landing prepayment device Effective date of registration: 20230103 Granted publication date: 20170728 Pledgee: Postal Savings Bank of China Co.,Ltd. Juye County Sub branch Pledgor: SHANDONG ZONGHUA INTELLIGENT ELECTRIC Co.,Ltd. Registration number: Y2023980030073 |