CN201780364U - Simulation detecting system of electric energy meter data acquisition device - Google Patents
Simulation detecting system of electric energy meter data acquisition device Download PDFInfo
- Publication number
- CN201780364U CN201780364U CN2010201931154U CN201020193115U CN201780364U CN 201780364 U CN201780364 U CN 201780364U CN 2010201931154 U CN2010201931154 U CN 2010201931154U CN 201020193115 U CN201020193115 U CN 201020193115U CN 201780364 U CN201780364 U CN 201780364U
- Authority
- CN
- China
- Prior art keywords
- electric energy
- energy meter
- data acquisition
- acquisition device
- meter data
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The utility model discloses a simulation detecting system of an electric energy meter data acquisition device, which matches and corresponds to actual usage, can actually reflect working state and data information of a detected device. The system is used for detecting reliability of communication between an electric energy meter (3) and an electric energy meter data acquisition device (4), and comprises a control panel (1), a program-controlled three-phase power source (2), a simulation circuit (5), a coordination control device (6), a detector selection circuit (7), a communication protocol selection device (8) and a GPS timed device (9). The system can detect and evaluate key indicators such as communication capability, load capability, receiving sensitivity, communication ability under an electromagnetic interference condition, data bus laying length, consumption and the like of the electric energy meter data acquisition device, can simulate various cases of multifunctional electric energy meters so as to check response capability thereof, and can be widely applied to the technical field of detection of the electric energy meter data acquisition devices.
Description
Technical field
The utility model relates to a kind of simulation detection system of electric energy meter data acquisition device.
Background technology
At present, in electric system, under the artificial timing meter reading mode under the traditional approach, manual entry calculate can not satisfy in real time, the demand of timesharing and performance analysis management, implement electric energy meter datamation acquisition management project, realization is to the remote meter reading of user's electric energy meter data and clearing automatically, improve traditional charge calculation means, strengthen the line loss management, improve anti-electricity-theft ability, strengthening the supervision of power consumption level, satisfy the q﹠r requirement of user for power supply, is that power department improves management level and the efficiency of management and the important behave taked.Electric energy meter data acquisition device (terminal) is as the key equipment in this system, and its performance receives much attention.
On present electricity market, kind, the specification of electric energy meter data acquisition device are a lot, because the difference of on-the-spot installation environment, mounting means, there are various types of electromagnetic interference (EMI) in addition, in data acquisition phase, often occur that electric energy meter data acquisition device can't correctly be gathered electric energy meter information or the information that collects is incorrect, imperfect; In the data upload stage, usually can't cause sizable puzzlement to the user with the data upload that collects to situations such as administrative centers by predetermined communication modes.In several checkout equipments few in number on the market, can its method all be to carry out simulation test on a Utopian hardware platform of building, and all is the Function detection to the electric energy meter harvester basically, that is: detect this device and reach needed function.But in actual use, in side circuit, but often do not reach its design objective and requirement of client usually by the equipment that detects.This all is because ignored each discreteness of operating modes influence such as the sensitivity of the size of the length of circuit, power system capacity size, power in the side circuit, table meter and power frequency electromagnetic interference (EMI) and various unit construction on the Utopian hardware platform of above-mentioned what is called.
In sum, in existing electric energy meter data acquisition device detection technique, exist testing result with actual use do not conform to, not corresponding, the defective that can not truly reflect detected device duty and data message.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, provide a kind of and actual use be consistent, corresponding, the simulation detection system of electric energy meter data acquisition device that can truly reflect detected device duty and data message.
The technical scheme that the utility model adopted is: native system be at electric energy meter be connected and gather the electric energy meter data acquisition device of energy data with described electric energy meter, be used for detecting the reliability of communication between the two, this system comprises control desk, program control three-phase supply, be used to simulate the artificial circuit and the cooperative control device of various working conditions, described control desk comprises the master control set that is used to dispose with the drive system each several part, described control desk is electrically connected with described program control three-phase supply and cooperative control device respectively and adopts corresponding communications protocol to carry out communication with described electric energy meter data acquisition device, described cooperative control device is used to control the described artificial circuit of opening and closing and simulates various working conditions, and electric energy meter data acquisition device is sent to described control desk with the response data that collects.
Described artificial circuit comprises wire rod length emulator, load capacity emulator, receiving sensitivity emulator, electromagnetic interference (EMI) simulator, and described artificial circuit can be accomplished independent respectively unlatching of described wire rod length emulator, load capacity emulator, receiving sensitivity emulator, electromagnetic interference (EMI) simulator and various combination unlatching under the control of described cooperative control device.
The utility model also comprises pick-up unit selection circuit, described electric energy meter can be a plurality of electric energy meters, described electric energy meter data acquisition device can be a plurality of electric energy meter data acquisition devices, described pick-up unit selects circuit to be electrically connected with described electric energy meter data acquisition device, and described pick-up unit selects circuit optionally to insert and to withdraw from detected state to a plurality of electric energy meter data acquisition devices.
The utility model also comprises the communications protocol selecting arrangement, described communications protocol selecting arrangement is connected between described control desk and the described electric energy meter data acquisition device, and described communications protocol selecting arrangement can make the adaptive with it communication of described control desk at the communications protocol of described electric energy meter data acquisition device.
The utility model also comprises the GPS time service device, and described GPS time service device is electrically connected with described control desk, clock and the detection and the record slot of unified described simulation detection system of electric energy meter data acquisition device counterpart.
The beneficial effects of the utility model are: because the utility model comprises control desk, program control three-phase supply, artificial circuit, cooperative control device, described control desk comprises master control set, described control desk and described program control three-phase supply, electric energy meter data acquisition device, cooperative control device is electrically connected, described program control three-phase supply connects described artificial circuit, described artificial circuit is connected with described electrical energy meter electricity, described cooperative control device is electrically connected with described artificial circuit, described electric energy meter is electrically connected with described electric energy meter data acquisition device, described master control set comprises application software, the effect of described master control set is configuration and drives this simulation detection system of electric energy meter data acquisition device, described cooperative control device comprises the coordination control program, the effect of described cooperative control device is the co-ordination of each several part in this simulation detection system of electric energy meter data acquisition device of control, described control desk adopts corresponding communications protocol to carry out communication with described electric energy meter data acquisition device, described artificial circuit comprises wire rod length emulator, the load capacity emulator, the receiving sensitivity emulator, electromagnetic interference (EMI) simulator, described artificial circuit can be accomplished described wire rod length emulator under the control of described cooperative control device, the load capacity emulator, the receiving sensitivity emulator, the electromagnetic interference (EMI) simulator is independent respectively to be opened and the various combination unlatching.So the utility model be a kind of and actual use is consistent, corresponding, the simulation detection system of electric energy meter data acquisition device that can truly reflect detected device duty and data message.
Description of drawings
Fig. 1 is the utility model theory structure block diagram;
Fig. 2 is the utility model embodiment circuit structure block scheme;
Fig. 3 is the circuit connection diagram of described wire rod length emulator implementation.
Embodiment
As Fig. 1, shown in Figure 2, the utility model is used for detecting the reliability of communication between electric energy meter 3 and the electric energy meter data acquisition device 4, comprise control desk 1, program control three-phase supply 2, artificial circuit 5, cooperative control device 6, described control desk 1 comprises master control set 11, described control desk 1 and described program control three-phase supply 2, electric energy meter data acquisition device 4, cooperative control device 6 is electrically connected, described program control three-phase supply 2 connects described artificial circuit 5, described artificial circuit 5 is electrically connected with described electric energy meter 3, described cooperative control device 6 is electrically connected with described artificial circuit 5, described electric energy meter 3 is electrically connected with described electric energy meter data acquisition device 4, described master control set 11 comprises application software, the effect of described master control set 11 is configurations and drives this simulation detection system of electric energy meter data acquisition device, described cooperative control device 6 comprises the coordination control program, the effect of described cooperative control device 6 is co-ordinations of each several part in this simulation detection system of electric energy meter data acquisition device of control, and described control desk 1 adopts corresponding communications protocol to carry out communication with described electric energy meter data acquisition device 4.
Described artificial circuit 5 comprises wire rod length emulator 51, load capacity emulator 52, receiving sensitivity emulator 53, electromagnetic interference (EMI) simulator 54, and described artificial circuit 5 can be accomplished described wire rod length emulator 51, load capacity emulator 52, receiving sensitivity emulator 53 under the control of described cooperative control device 6, electromagnetic interference (EMI) simulator 54 is independent respectively opens and the various combination unlatching.
The utility model also comprises harvester selection circuit 7, described electric energy meter 3 can be a plurality of electric energy meters, described electric energy meter data acquisition device 4 can be a plurality of electric energy meter data acquisition devices, described harvester selects circuit 7 to be electrically connected with described electric energy meter data acquisition device 4, and described harvester selects circuit 7 optionally to insert and to withdraw from detected state to a plurality of electric energy meter data acquisition devices in the described electric energy meter data acquisition device 4.
The utility model also comprises communications protocol selecting arrangement 8, described communications protocol selecting arrangement 8 be connected described control desk 1 and described electric energy meter data acquisition device 4 this, described communications protocol selecting arrangement 8 can make the adaptive with it communication of described control desk 1 at the communications protocol of described electric energy meter data acquisition device 4.
The utility model also comprises GPS time service device 9, and described GPS time service device 9 is electrically connected with described control desk 1, clock and the detection and the record slot of unified described simulation detection system of electric energy meter data acquisition device counterpart.
In the foregoing description, provide a kind of can comprehensive assessment generated energy acquisition device (terminal) function, the measuring technology of performance, technical parameter, by the field simulation technology, can lay key indexs such as length, power consumption and test and assess the ability to communicate under the ability to communicate of electric energy meter data acquisition device (terminal), carrying load ability, receiving sensitivity, the electromagnetic interference environment, data bus, the variety of event of all right imitation multi-functional electric energy meter is to check its responding ability.Whole test process both can be carried out automatically by default testing scheme, need not manual intervention, also can go to test the index that a certain item is paid close attention to by manual control.For selecting, test, analyze this kind equipment for use, each Utilities Electric Co. provides a kind of reliable method.Being specifically described as follows of each several part in the native system:
One, each several part explanation:
Control desk a: computer, the generated energy acquisition device integrated test system application software of built-in special exploitation, it except with the communication of tested generated energy acquisition device, communications protocol in the control system is selected circuit simultaneously, electric energy meter data acquisition device is selected circuit, wire rod length emulator, program control three phase sources, the load capacity emulator, receiving sensitivity emulator and multifunctional electric energy meter.
Communications protocol is selected circuit: under the control of master console, to switch between the different communication modes such as PSTN, four line special lines, TCP/IP, RS485, RS232, test the reliability of the electric energy meter data acquisition device data upload under the different communication modes.
Wire rod length emulator: under the control of master console, simulate the different total line lengths of RS485, with the test electric energy meter data acquisition device under the situation of different bus length with the reliability of multifunctional electric energy meter communication.Implementation (as Fig. 3): by a large amount of experiments, the characteristic of test communication wire rod commonly used is set up mathematical model, and sample circuit goes to simulate the opering characteristic of electric apparatus of wire rod, and it is joined on the RS485 bus, thereby the actual communication situation of RS485 under the situation of different length of simulation.
Load capacity emulator: under the control of master console, when articulating the multifunctional electric energy meter of varying number on the RS485 data bus of simulation electric energy meter data acquisition device, with the reliability of multifunctional electric energy meter communication.Implementation: at the RS485 communication modes, each 485 communication unit circuit, a suitable electric energy meter by loading 485 communicating circuits of varying number, is simulated the electric energy meter of varying number.
Receiving sensitivity emulator: under the control of master console, when simulation receives different strong and weak signals, with the communication reliability of multifunctional electric energy meter.Implementation: the sample signal of actual communicating circuit of sample circuit, signal is carried out the level classification satisfying under the prerequisite of relevant criterion, electric energy meter data acquisition device carries out communication with it under different signal level classification situations, verify its receiving sensitivity.
Electromagnetic Interference Test:, test under the power frequency interference environment reliability of electric energy meter data acquisition device and electric energy meter communication according to electromagnetic compatibility test (GBT17626-2006) national standard.
Program control three phase sources: under the control of main frame, produce three-phase voltage, electric current to electric energy meter, and the emulation decompression, incidents such as cutout.
Two, functional description:
The operation communication environment of this device energy pseudo-terminal, and realize that terminal power on (display, pilot lamp, button), power supply power consumption, exchanges data (generally gathering and communication) are checked, the termination capacity audit function.
A〉power on of generated energy acquisition device: add working power by the master console application software to the generated energy acquisition device, check whether display, pilot lamp, the button of generated energy acquisition device be normal.
B〉power supply influence detection: can measure the power consumption of tested generated energy acquisition device under Alternating Current Power Supply and direct current supply state, minimum operating voltage respectively.Can carry out voltage dip and abort in short-term.
C〉the exchanges data inspection: check the success ratio that multifunctional electric energy meter and tested generated energy acquisition device communication success ratio, image data percentage of head rice, electric energy incident (from electric energy meter) data acquisition percentage of head rice and generated energy acquisition device are uploaded.The generated energy acquisition device adopts different communication modes to connect and data transmission with master console.
* native system is undertaken by the master console application software that order issues, the data upload function.Upload the success ratio of end message with monitoring generated energy acquisition device collection electric energy meter data, to main website.
* the test job list that provides according to main website (or testing software) provides test result.
* testing scheme setting: can set, revise, duplicate testing scheme arbitrarily according to different rights, incidents such as simulated field grid failure state, metering outfit are unusual, data communication can be set, by the electric energy meter record, allow the collection of generated energy acquisition device, detect the allomeric function effect of the on-the-spot station of metering remote measurement end equipment with system.
* generated energy acquisition device remote upgrade success ratio.
* generated energy acquisition device version information shows, calls together survey; Always add the group electric weight and call survey inspection together; Always adding group freezes electric weight and calls together and survey to check.
D〉the data processing detection:
* data storing detects: detect respectively in real time, last day, last menology code value, load curve record.
* generated energy acquisition device parameter, archives change record and detect: the modification of generated energy acquisition device operational factor or be provided with and corresponding cryptoguard measure must be arranged in case illegally be provided with or revise, super-ordinate right user can be provided with user cipher.
* electric energy meter anomalous event (as decompression, defluidization) record.
* the generated energy acquisition device parameter is safeguarded and is detected.
E〉different communication protocol tests.
F〉different 485 load testings.
G〉the generated energy acquisition device to the time: when by master console factory station generated energy acquisition device being carried out the school, the school time error should be less than ± 1s.
H〉data acquisition measurement examination.
* separate unit electric energy meter data acquisition quantity of state (traffic) test; Many electric energy meter data acquisition quantity of states (traffic) test.
* data acquisition time linear measure longimetry.
* behind the main website transmitting order to lower levels, terminal response time, detected.
I〉can realize that generated energy acquisition device clock walks that time error detects, clock call together survey and to multifunctional electric energy meter carry out to the time.
J〉can realize generated energy acquisition device communication channel collection capacity check, and strengthen different communication protocols tests, strengthen different 485 load testing functions.
K〉can carry out under the electromagnetic interference environment influence of generated energy acquisition device communication function is detected.
L〉test automatically: can in the master console application software, testing scheme be set, automatically perform testing process by the testing scheme that sets then, not need human intervention.
M〉option test: can be according to the test needs, only wherein several projects are detected, in test is carried out, but human intervention can be provided with parameter, test event and the output of adjustment programmable power supply arbitrarily.
The utility model can be widely used in the electric energy meter data acquisition device detection technique field.
Claims (5)
1. simulation detection system of electric energy meter data acquisition device, be at electric energy meter (3) be connected and gather the electric energy meter data acquisition device (4) of energy data with described electric energy meter (3), be used for detecting the reliability of communication between the two, it is characterized in that: this system comprises control desk (1), program control three-phase supply (2), be used to simulate the artificial circuit (5) and the cooperative control device (6) of various working conditions, described control desk (1) comprises the master control set (11) that is used to dispose with the drive system each part mentioned above, described control desk (1) is electrically connected with described program control three-phase supply (2) and cooperative control device (6) respectively and adopts corresponding communications protocol to carry out communication with described electric energy meter data acquisition device (4), described cooperative control device (6) is used to control the described artificial circuit of opening and closing (5) and simulates various working conditions, and electric energy meter data acquisition device (4) is sent to described control desk (1) with the response data that collects.
2. simulation detection system of electric energy meter data acquisition device according to claim 1, it is characterized in that: described artificial circuit (5) comprises wire rod length emulator (51), load capacity emulator (52), receiving sensitivity emulator (53), electromagnetic interference (EMI) simulator (54), and described cooperative control device (6) control described wire rod length emulator (51), load capacity emulator (52), receiving sensitivity emulator (53), the independent respectively unlatching of electromagnetic interference (EMI) simulator (54) and various combination are opened.
3. simulation detection system of electric energy meter data acquisition device according to claim 1, it is characterized in that: it also comprises the harvester selection circuit (7) that is connected between described electric energy meter (3) and the electric energy meter data acquisition device (4), and described harvester selects circuit (7) that a plurality of described electric energy meter data acquisition devices (4) are optionally inserted and withdraw from detected state.
4. simulation detection system of electric energy meter data acquisition device according to claim 1, it is characterized in that: it also comprises communications protocol selecting arrangement (8), described communications protocol selecting arrangement (8) is connected between described control desk (1) and the described electric energy meter data acquisition device (4), and described communications protocol selecting arrangement (8) makes the adaptive with it communication of described control desk (1) at the communications protocol type of described electric energy meter data acquisition device (4).
5. simulation detection system of electric energy meter data acquisition device according to claim 1, it is characterized in that: it also comprises GPS time service device (9), described GPS time service device (9) is electrically connected with described control desk (1), clock and the detection and the record slot of the corresponding each several part of unified described simulation detection system of electric energy meter data acquisition device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201931154U CN201780364U (en) | 2010-05-10 | 2010-05-10 | Simulation detecting system of electric energy meter data acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201931154U CN201780364U (en) | 2010-05-10 | 2010-05-10 | Simulation detecting system of electric energy meter data acquisition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201780364U true CN201780364U (en) | 2011-03-30 |
Family
ID=43793575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201931154U Expired - Lifetime CN201780364U (en) | 2010-05-10 | 2010-05-10 | Simulation detecting system of electric energy meter data acquisition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201780364U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401864A (en) * | 2011-11-15 | 2012-04-04 | 珠海市科荟电器有限公司 | Laboratory simulation detection device for low-voltage meter reading system |
| CN104316894A (en) * | 2014-10-16 | 2015-01-28 | 国家电网公司 | Simulation and calibration method for practical running environment of electric energy meter |
| CN108008339A (en) * | 2017-11-16 | 2018-05-08 | 深圳市科陆电子科技股份有限公司 | The method for parameter configuration of virtual electric energy meter and virtual electric energy meter |
| CN108573350A (en) * | 2018-04-19 | 2018-09-25 | 国网湖北省电力有限公司电力科学研究院 | A kind of matching net wire loss synchronization calculates and multidimensional analysis method |
| CN110297162A (en) * | 2019-07-02 | 2019-10-01 | 国网上海市电力公司 | A kind of communication power grid detection system |
-
2010
- 2010-05-10 CN CN2010201931154U patent/CN201780364U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401864A (en) * | 2011-11-15 | 2012-04-04 | 珠海市科荟电器有限公司 | Laboratory simulation detection device for low-voltage meter reading system |
| CN102401864B (en) * | 2011-11-15 | 2014-01-22 | 珠海市科荟电器有限公司 | Laboratory simulation detection device for low-voltage meter reading system |
| CN104316894A (en) * | 2014-10-16 | 2015-01-28 | 国家电网公司 | Simulation and calibration method for practical running environment of electric energy meter |
| CN104316894B (en) * | 2014-10-16 | 2017-10-17 | 国家电网公司 | A kind of realistically displayed method of electric energy meter actual motion environment |
| CN108008339A (en) * | 2017-11-16 | 2018-05-08 | 深圳市科陆电子科技股份有限公司 | The method for parameter configuration of virtual electric energy meter and virtual electric energy meter |
| CN108573350A (en) * | 2018-04-19 | 2018-09-25 | 国网湖北省电力有限公司电力科学研究院 | A kind of matching net wire loss synchronization calculates and multidimensional analysis method |
| CN108573350B (en) * | 2018-04-19 | 2021-07-16 | 国网湖北省电力有限公司电力科学研究院 | Distribution network line loss synchronization calculation and multidimensional analysis method |
| CN110297162A (en) * | 2019-07-02 | 2019-10-01 | 国网上海市电力公司 | A kind of communication power grid detection system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101858966A (en) | Simulation detection system of electric energy meter data acquisition device | |
| CN105785199B (en) | Multifunctional ligand electric terminals integrated test system and its working method | |
| CN102761173B (en) | Intelligent electric meter with functions of leakage remote monitoring and protection | |
| CN204536493U (en) | Intelligent gas meter veneer automatically testing platform | |
| CN201780364U (en) | Simulation detecting system of electric energy meter data acquisition device | |
| CN106970291B (en) | A kind of method of automatic test high voltage device of transformer station current loop secondary load | |
| CN201072597Y (en) | Automatic detection instrument for aviation electronic flight instrument | |
| CN102692616A (en) | Automatic test and collection device and method of smart meter | |
| CN110429991A (en) | A kind of electrical energy data acquiring emulation test system | |
| CN106569166B (en) | A kind of test method in twin-core electric energy meter legality measurement portion | |
| CN105510859A (en) | System and method for evaluating electronic transformer | |
| Armendariz et al. | A co-simulation platform for medium/low voltage monitoring and control applications | |
| CN109814061A (en) | The information security reliability checking method and device of measuring terminal and intelligent electric meter | |
| CN103513223A (en) | Electric energy meter communication interface load capacity test system | |
| CN106330260A (en) | Laboratory test device and method of low-voltage power line carrier performance | |
| CN105823959A (en) | Android device-based power user mounting detection method | |
| CN102121977A (en) | Method and device for detecting IC (Integrate Circuit) card electric energy meter | |
| CN207301308U (en) | Intelligent electric energy meter tests system | |
| CN206147933U (en) | Platform district power consumption information of checking meter is synthesized and is generally investigated appearance | |
| CN205961116U (en) | With electric information collection fault detection of system device | |
| KR101680226B1 (en) | 11 Electronic watthour meter management system included RJ11 Connector DlmsCosem protocol using smart phones | |
| CN102087308A (en) | Electric quantity acquisition and test analyzer and method for power system | |
| CN108494479B (en) | Automatic measuring device and method for light receiving sensitivity of intelligent terminal of intelligent substation | |
| CN103761895B (en) | A kind of method of work of current transformer simulation examination system | |
| CN102735956A (en) | Current loop detection system and current loop detection method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: FOSHAN POWER SUPPLY BUREAU, GUANGDONG POWER GRID C |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhu Yajun Inventor after: Liang Xuchang Inventor after: Liu Yunkui Inventor before: Zhu Yajun Inventor after: Zhu Yajun Inventor after: Liang Xuchang Inventor after: Liu Yunkui Inventor before: Zhu Yajun |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHU YAJUN TO: ZHU YAJUN LIANG XUCHANG LIU YUNKUI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110413 Address after: 519020, 5, 1 floor, Hengxin industrial town, 2001 West Jiuzhou Road, Zhuhai, Guangdong, Gongbei, China Co-patentee after: Foshan Power Supply Bureau, Guangdong Power Grid Corporation Patentee after: Zhuhai Kehui Electric Apparatus Co., Ltd. Address before: 519020, 5, 1 floor, Hengxin industrial town, 2001 West Jiuzhou Road, Zhuhai, Guangdong, Gongbei, China Patentee before: Zhuhai Kehui Electric Apparatus Co., Ltd. Effective date of registration: 20110413 Address after: 519020, 5, 1 floor, Hengxin industrial town, 2001 West Jiuzhou Road, Zhuhai, Guangdong, Gongbei, China Co-patentee after: Foshan Power Supply Bureau, Guangdong Power Grid Corporation Patentee after: Zhuhai Kehui Electric Apparatus Co., Ltd. Address before: 519020, 5, 1 floor, Hengxin industrial town, 2001 West Jiuzhou Road, Zhuhai, Guangdong, Gongbei, China Patentee before: Zhuhai Kehui Electric Apparatus Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110330 |