CN116191215B - Smart electric meter and use method thereof - Google Patents
Smart electric meter and use method thereof Download PDFInfo
- Publication number
- CN116191215B CN116191215B CN202310220190.7A CN202310220190A CN116191215B CN 116191215 B CN116191215 B CN 116191215B CN 202310220190 A CN202310220190 A CN 202310220190A CN 116191215 B CN116191215 B CN 116191215B
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- CN
- China
- Prior art keywords
- ammeter
- wire
- lower shell
- plate
- magnet
- 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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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000010248 power generation Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 14
- 230000005611 electricity Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 241000463219 Epitheca Species 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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
-
- 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
-
- 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
- G01R11/12—Arrangements of bearings
-
- 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
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/03—Boards, panels, desks; Parts thereof or accessories therefor for energy meters
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/30—Smart metering, e.g. specially adapted for remote reading
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention relates to the technical field of intelligent electric meters, in particular to an intelligent electric meter and a use method thereof. The using method comprises the following steps: s1: the user inputs a user number on a control panel of the intelligent ammeter; s2: the intelligent ammeter moves the corresponding ammeter to the window according to the household number; s3: the user inputs a password corresponding to the user number on the control panel; s4: unlocking and opening a cover plate in the operation port; s5: the user operates the corresponding ammeter, and then the cover plate is closed; s6: after the cover plate is closed, the ammeter moves to the original position, and the beneficial effect of the ammeter is that the safety of the intensively installed ammeter is improved.
Description
Technical Field
The invention relates to the technical field of intelligent electric meters, in particular to an intelligent electric meter and a use method thereof.
Background
The intelligent ammeter is one of basic equipment for intelligent power grid data acquisition, bears the tasks of original electric energy data acquisition, metering and transmission, and is a foundation for realizing information integration, analysis optimization and information display. The intelligent ammeter also has intelligent functions such as a bidirectional multi-rate metering function, a user control function, a bidirectional data communication function of various data transmission modes, an electricity larceny prevention function and the like in order to adapt to the use of the intelligent power grid and new energy.
At present, a plurality of electric meters are intensively placed in an electric box to be a mainstream electric meter installation mode, but when the electric box is opened to operate the electric meters, the plurality of electric meters appear simultaneously, lawless persons can break the plurality of electric meters, dangerous accidents are caused, and the safety of installing the plurality of electric meters needs to be improved.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the intelligent ammeter and the use method thereof, and the intelligent ammeter has the beneficial effects of improving the safety of intensively installing the ammeter.
The utility model provides a smart electric meter includes inferior valve, epitheca, operation mouth, apron and control panel, the operation mouth has all been seted up to two parts around the inferior valve left side, two the inside equal rotation of operation mouth is connected with the apron, inferior valve left side fixedly connected with control panel, inferior valve upside fixedly connected with epitheca.
Still include pivot, back shaft, baffle, sliding sleeve and fixed plate, the inside left side rotation of inferior valve is connected with the pivot, fixedly connected with a plurality of back shafts in the pivot, every equal fixedly connected with baffle in back shaft top, every equal sliding connection has the sliding sleeve on the back shaft, every equal fixedly connected with fixed plate on the sliding sleeve, every equal fixedly connected with ammeter in both sides around the fixed plate.
Still include backup pad, motor and battery, the inside right side fixedly connected with backup pad of inferior valve, fixedly connected with motor in the backup pad, the motor drive pivot rotates, backup pad left side fixedly connected with a plurality of batteries.
A smart meter and a method for using the same, the method comprises the following steps:
s1: the user inputs a user number on a control panel of the intelligent ammeter;
s2: the intelligent ammeter moves the corresponding ammeter to the window according to the household number;
s3: the user inputs a password corresponding to the user number on the control panel;
s4: unlocking and opening a cover plate in the operation port;
s5: the user operates the corresponding ammeter, and then the cover plate is closed;
s6: the meter is moved to the home position after the cover is closed.
Drawings
The invention will be described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is a schematic structural diagram of a smart meter according to the present invention;
FIG. 2 is a cross-sectional view of a smart meter according to the present invention;
FIG. 3 is a schematic view showing the structure of the support plate and the fixing plate according to the present invention;
FIG. 4 is a schematic view of the structure of the hydraulic rod and the fixing plate according to the present invention;
FIG. 5 is a schematic view of the structure of the lower shell of the present invention;
FIG. 6 is a schematic structural view of a fixing plate according to the present invention;
FIG. 7 is a schematic view of a wire management tube according to the present invention;
FIG. 8 is a schematic view of the structure of the rotating shaft and the supporting shaft according to the present invention;
FIG. 9 is a schematic view of the hydraulic rod and magnet I of the present invention;
fig. 10 is a flow chart of a smart meter and a method of using the same according to the present invention.
In the figure: a lower case 101; an operation port 102; a control panel 103; an upper case 104; a support plate 105; a motor 106; a battery 107; a cover plate 108;
a fixing plate 201; a sliding sleeve 202; a wire I203; wire ii 204; a sleeve 205; magnet II 206;
a wire management tube 301; a fixing clip 302; a spring 303;
a rotation shaft 401; a support shaft 402; a baffle 403; a fixed sleeve 404; a hydraulic lever 405; magnet I406; a coil 407.
Detailed Description
As shown in fig. 1 to 5, this example can achieve an effect of improving the safety of the concentrated installation of the electricity meters.
Because the intelligent ammeter comprises a lower shell 101, an upper shell 104, an operation port 102, a cover plate 108 and a control panel 103, the operation ports 102 are respectively formed in the front part and the rear part of the left side of the lower shell 101, the cover plates 108 are respectively and rotatably connected in the two operation ports 102, the control panel 103 is fixedly connected to the left side of the lower shell 101, and the upper shell 104 is fixedly connected to the upper side of the lower shell 101; the electric meters are all installed inside the lower shell 101, then the upper shell 104 is fixed on the lower shell 101, when the electric meters are operated, the corresponding electric meters are required to be input with household numbers and passwords on the control panel 103, the cover plate 108 is opened after the corresponding electric meters are moved to the operation port 102, and then when the household numbers and the passwords are not available, the electric meters cannot be operated, and further illegal molecules are prevented from operating the electric meters, so that dangerous occurrence is reduced, and the effect of improving the safety of the concentrated installation electric meters is achieved.
As shown in fig. 1-8, this example may achieve the effect of moving the meter to the operator port 102.
Because the intelligent electric meter comprises a rotating shaft 401, supporting shafts 402, baffles 403, sliding sleeves 202 and a fixed plate 201, the rotating shaft 401 is rotationally connected to the left side inside the lower shell 101, a plurality of supporting shafts 402 are fixedly connected to the rotating shaft 401, the baffles 403 are fixedly connected to the top ends of the supporting shafts 402, the sliding sleeves 202 are slidingly connected to the supporting shafts 402, the fixed plate 201 is fixedly connected to the sliding sleeves 202, and electric meters are fixedly connected to the front side and the rear side of the fixed plate 201; fixing two electricity meters on one fixing plate 201, thereby increasing the number of installable electricity meters while reducing the volume; after the user inputs a user number on the control panel 103, the rotating shaft 401 is rotated, the supporting shaft 402 is driven to rotate, the sliding sleeve 202 is driven to rotate, the fixed plate 201 is driven to rotate, the electric meter is driven to rotate, the sliding sleeve 202 is moved after the electric meter rotates, the electric meter is driven to move to the operation port 102, and the effect of moving the electric meter to the operation port 102 is achieved.
This example can achieve the effect of rotating the shaft 401, as shown in fig. 1-7.
Because the intelligent ammeter comprises a supporting plate 105, a motor 106 and a battery 107, the supporting plate 105 is fixedly connected to the right side inside the lower shell 101, the motor 106 is fixedly connected to the supporting plate 105, the motor 106 drives a rotating shaft 401 to rotate, and a plurality of batteries 107 are fixedly connected to the left side of the supporting plate 105; the battery 107 supplies power to each component of the intelligent electric meter, and when the electric meter needs to be moved, the motor 106 is started, so that the rotating shaft 401 is driven to rotate, and the effect of rotating the rotating shaft 401 is achieved.
This example may achieve the effect of moving the sliding sleeve 202, as shown in fig. 3-9.
Because the intelligent ammeter comprises a hydraulic rod 405, a magnet I406, a magnet II 206 and a coil 407, two hydraulic rods 405 are fixedly connected inside the lower shell 101, the two hydraulic rods 405 are respectively connected to the front side and the rear side of the left end of the rotating shaft 401 in a rotating way, the top end of each hydraulic rod 405 is fixedly connected with the magnet I406, the left side of each magnet I406 is fixedly connected with the coil 407, and the lower end of each fixing plate 201 is fixedly connected with the magnet II 206; when the rotating shaft 401 drives the corresponding ammeter to move to the horizontal state, power is supplied to the coil 407, the magnet I406 is magnetized under the influence of the magnetic effect of current, the magnet I406 adsorbs the magnet II 206 on the fixed plate 201 mounted on the ammeter, the magnet I406 drives the magnet II 206 to move when the hydraulic rod 405 is moved, the fixed plate 201 is driven to move, the sliding sleeve 202 is driven to move, and the effect of moving the sliding sleeve 202 is achieved.
This example can achieve the effect of preventing disconnection of the line during movement of the meter, as shown in fig. 3-7.
Because the intelligent ammeter comprises a wire I203, a wire II 204 and a sleeve 205, four wires I203 are connected to the right side of each fixing plate 201, two wires I203 are connected to each ammeter, a sleeve 205 is fixedly connected to the right side of each sliding sleeve 202, a wire II 204 is connected to the lower side of each sleeve 205, the tail end of each wire II 204 is fixedly connected to the supporting plate 105, and four wires I203 on each fixing plate 201 are connected with the wire II 204 through the sleeve 205; when fixed plate 201 drives the ammeter and removes, the wire I203 that links to each other with the ammeter follows fixed plate 201 and removes, and sleeve 205 removes together simultaneously, and then wire I and ammeter are kept still relatively, and then ammeter and wire I203 do not take place relative movement in the ammeter removes, and then realize preventing the effect of circuit disconnection in the ammeter removes.
The plurality of wires I203 of each ammeter are converted into the wire II 204 through the sleeve 205, so that the circuits inside the equipment are reduced, the occurrence of the condition that a plurality of circuits are entangled with each other in the moving process of the ammeter is reduced, and the safety of the equipment is further improved.
This example can achieve the effect of preventing clutter of the internal circuitry of the device, as shown in figures 3-8.
Because the smart meter comprises the management tubes 301, the springs 303 and the fixing clamps 302, the left side of the supporting plate 105 is fixedly connected with a plurality of management tubes 301, the left side inside each management tube 301 is slidably connected with one fixing clamp 302, the right side inside each management tube 301 is fixedly connected with one fixing clamp 302, the springs 303 are fixedly connected between the two fixing clamps 302 of each management tube 301, and each wire II 204 is respectively and fixedly connected in the two fixing clamps 302 of one management tube 301; the wire II 204 is shrunk in the wire management tube 301, when the rotating shaft 401 drives the electric meter to rotate, the shrunk wire II 204 is pulled out by the sleeve 205, and then the wire II 204 cannot be broken in the moving process of the electric meter, meanwhile, the wire II 204 drives the left fixing clamp 302 in the wire management tube 301 to move leftwards, and then drives the spring 303 to stretch, after the electric meter resets, the spring 303 contracts, and then drives the left fixing clamp 302 to move rightwards, and then drives the pulled wire II 204 to retract into the wire management tube 301, and then a plurality of wires II 204 are entangled in the device after the electric meter moves, and then the effect of preventing the internal circuit of the device from being disordered is achieved.
This example, as shown in fig. 3-9, can prevent the effect of entanglement of the plurality of wires ii 204.
Because the smart meter comprises the fixed sleeves 404, each supporting shaft 402 is fixedly connected with the fixed sleeve 404, and each wire II 204 is respectively and slidably connected in one fixed sleeve 404; the middle parts of the plurality of wires II 402 are respectively limited at the bottoms of the support shafts 402 by the plurality of fixing sleeves 404, so that the plurality of wires II 402 cannot be mutually contacted when the rotating shaft 401 rotates, the plurality of wires II 204 are prevented from being mutually entangled, and the effect of preventing the plurality of wires II 204 from being mutually entangled is realized.
An intelligent ammeter and a use method thereof are characterized in that: the method comprises the following steps:
s1: the user inputs a user number on the control panel 103 of the smart meter;
s2: the intelligent ammeter moves the corresponding ammeter to the window according to the household number;
s3: the user inputs a password corresponding to the user number on the control panel 103;
s4: the cover plate 108 in the operation port 102 is unlocked and opened;
s5: the user operates the corresponding electricity meter, and then the cover plate 108 is closed;
s6: the meter is moved into place after the cover plate 108 is closed.
In the step S1, an upper shell 104 and a lower shell 101 of the intelligent ammeter are fixedly connected through Y-shaped head screws; maintenance personnel can separate the upper shell 104 from the lower shell 101 through the special Y-shaped screw cutter to perform maintenance operation, so that non-maintenance personnel are prevented from opening equipment, illegal molecules are prevented from damaging the electric meter in a mode of opening the equipment, and the safety of centrally installing the electric meter is further improved.
In the step S1, the smart meter supplies power to the smart meter through the battery 107; the intelligent ammeter is powered by the battery 107, so that the condition that the ammeter cannot be operated in time during unexpected power failure can be prevented.
Claims (6)
1. An intelligent ammeter, which is characterized in that: the device comprises a lower shell (101), an upper shell (104), an operation port (102), a cover plate (108) and a control panel (103), wherein the operation port (102) is arranged at the front part and the rear part of the left side of the lower shell (101), the cover plate (108) is arranged in each operation port (102), the control panel (103) is arranged at the left side of the lower shell (101), and the upper shell (104) is arranged at the upper side of the lower shell (101);
the electric meter is characterized by further comprising a rotating shaft (401), supporting shafts (402), baffles (403), sliding sleeves (202) and a fixed plate (201), wherein the rotating shaft (401) is arranged on the left side inside the lower shell (101), a plurality of supporting shafts (402) are arranged on the rotating shaft (401), the baffles (403) are arranged on the top ends of the supporting shafts (402), the sliding sleeves (202) are arranged on the supporting shafts (402), the fixed plate (201) is arranged on the sliding sleeves (202), and electric meters are arranged on the front side and the rear side of the fixed plate (201);
the portable electric power generation device is characterized by further comprising a supporting plate (105), a motor (106) and a battery (107), wherein the supporting plate (105) is arranged on the right side inside the lower shell (101), the motor (106) is arranged on the supporting plate (105), the motor (106) drives the rotating shaft (401) to rotate, and a plurality of batteries (107) are arranged on the left side of the supporting plate (105);
the novel rotary table is characterized by further comprising a hydraulic rod (405), a magnet I (406), a magnet II (206) and coils (407), wherein two hydraulic rods (405) are arranged in the lower shell (101), the two hydraulic rods (405) are respectively arranged on the front side and the rear side of the left end of the rotary shaft (401), the top end of each hydraulic rod (405) is provided with the magnet I (406), the left side of each magnet I (406) is provided with the coil (407), and the lower end of each fixing plate (201) is provided with the magnet II (206);
still include wire I (203), wire II (204) and sleeve (205), every fixed plate (201) right side all is provided with four wires I (203), every all be connected with two wires I (203) on the ammeter, every sliding sleeve (202) right side all is provided with sleeve (205), and every sleeve (205) downside all is provided with wire II (204), every wire II (204) end all sets up in backup pad (105), every four wires I (203) on fixed plate (201) all are connected with wire II (204) through sleeve (205).
2. A smart meter as defined in claim 1, wherein: still including managing spool (301), spring (303) and fixation clamp (302), backup pad (105) left side is provided with a plurality of management spool (301), every the inside left side of management spool (301) all sliding connection has a fixation clamp (302), every right part side all fixedly connected with one fixation clamp (302) in management spool (301), every all be provided with spring (303) between two fixation clamps (302) of management spool (301), every wire II (204) set up respectively in two fixation clamps (302) of a management spool (301).
3. A smart meter as defined in claim 2, wherein: still include fixed cover (404), every be provided with fixed cover (404) on back shaft (402), every wire II (204) set up respectively in fixed cover (404).
4. A method of using a smart meter as defined in claim 3, wherein: the method comprises the following steps:
s1: a user inputs a user number on a control panel (103) of the intelligent ammeter;
s2: the intelligent ammeter moves the corresponding ammeter to the window according to the household number;
s3: a user inputs a password corresponding to the user number on a control panel (103);
s4: a cover plate (108) in the operation port (102) is unlocked and opened;
s5: the user operates the corresponding ammeter, and then the cover plate (108) is closed;
s6: the meter is moved into place after closing the cover plate (108).
5. The method for using a smart meter according to claim 4, wherein: in the step S1, an upper shell (104) and a lower shell (101) of the intelligent ammeter are fixedly connected through Y-shaped head screws.
6. The method for using a smart meter according to claim 5, wherein: in the step S1, the intelligent ammeter supplies power to the intelligent ammeter through a battery (107).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310220190.7A CN116191215B (en) | 2023-03-09 | 2023-03-09 | Smart electric meter and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310220190.7A CN116191215B (en) | 2023-03-09 | 2023-03-09 | Smart electric meter and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116191215A CN116191215A (en) | 2023-05-30 |
| CN116191215B true CN116191215B (en) | 2024-03-08 |
Family
ID=86450588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310220190.7A Active CN116191215B (en) | 2023-03-09 | 2023-03-09 | Smart electric meter and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116191215B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1767292A (en) * | 2004-10-29 | 2006-05-03 | 乐金电子(天津)电器有限公司 | Power cord non-electricity protector |
| CN207269142U (en) * | 2017-08-15 | 2018-04-24 | 国网河南省电力公司新乡供电公司 | A kind of electric automobile charging pile cable with protective device |
| CN110796799A (en) * | 2018-08-01 | 2020-02-14 | 菜鸟智能物流控股有限公司 | Cargo management device |
| CN211454711U (en) * | 2019-12-31 | 2020-09-08 | 广东罗尔科技有限公司 | Desktop type vending machine |
| CN213123171U (en) * | 2020-09-27 | 2021-05-04 | 平江县飞天鹰电子科技有限公司 | Carousel formula shipment unmanned vending machine |
| CN115524522A (en) * | 2022-09-15 | 2022-12-27 | 伊吉丽 | Intelligent ammeter and use method thereof |
-
2023
- 2023-03-09 CN CN202310220190.7A patent/CN116191215B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1767292A (en) * | 2004-10-29 | 2006-05-03 | 乐金电子(天津)电器有限公司 | Power cord non-electricity protector |
| CN207269142U (en) * | 2017-08-15 | 2018-04-24 | 国网河南省电力公司新乡供电公司 | A kind of electric automobile charging pile cable with protective device |
| CN110796799A (en) * | 2018-08-01 | 2020-02-14 | 菜鸟智能物流控股有限公司 | Cargo management device |
| CN211454711U (en) * | 2019-12-31 | 2020-09-08 | 广东罗尔科技有限公司 | Desktop type vending machine |
| CN213123171U (en) * | 2020-09-27 | 2021-05-04 | 平江县飞天鹰电子科技有限公司 | Carousel formula shipment unmanned vending machine |
| CN115524522A (en) * | 2022-09-15 | 2022-12-27 | 伊吉丽 | Intelligent ammeter and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116191215A (en) | 2023-05-30 |
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Effective date of registration: 20240205 Address after: 214400 No.6, Lane 149, Qishan Road, Jiangyin City, Wuxi City, Jiangsu Province Applicant after: JIANGYIN ZHONGHE ELECTRIC POWER METER Co.,Ltd. Country or region after: China Address before: No. 50 Nankuo Road, Qinzhou District, Tianshui City, Gansu Province, 741001 Applicant before: Zheng Xiaofang Country or region before: China |
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