CN201174571Y - Micro circuit breaker having micro-computer protection and liquid crystal display - Google Patents
Micro circuit breaker having micro-computer protection and liquid crystal display Download PDFInfo
- Publication number
- CN201174571Y CN201174571Y CNU2008200457553U CN200820045755U CN201174571Y CN 201174571 Y CN201174571 Y CN 201174571Y CN U2008200457553 U CNU2008200457553 U CN U2008200457553U CN 200820045755 U CN200820045755 U CN 200820045755U CN 201174571 Y CN201174571 Y CN 201174571Y
- Authority
- CN
- China
- Prior art keywords
- cpu
- circuit breaker
- leakage current
- unit
- voltage
- 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 - Fee Related
Links
Images
Landscapes
- Breakers (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model belongs to the technical field of singlechip and electronics, and comprises a small-size breaker (1) with a shunt release, a leakage current mutual inductor (2), a phase mutual inductor (3), a voltage mutual inductor (4), an AC rectifier filer unit(7), an A/D conversion sampling converter unit (8), a CPU computation and control unit (9), a man-machine conversation liquid crystal display function setting unit(10), an audible and visual alarming unit (11), and an actuating device (12) and other units. The utility model has the functions of alarming for protection against leakage current, overload, overvoltage, undervoltage, overcurrent, and short circuit, can be widely applied to electric protection for living houses, public places, and factories, and is capable of effectively preventing the electric shock and reducing fire accidents.
Description
Technical field
The utility model belongs to single-chip microcomputer and electronic technology field, the particularly a kind of band Microcomputer Protection of low-voltage distributing line and miniature circuit breaker of liquid crystal display of being adapted to.
Background technology
Traditional miniature circuit breaker (air switch) is a mechanical type, possesses heat and threads off and the electromagnetic trip function, and traditional leakage switch, leakage current are set at 30 milliamperes of tripping operations.
As seen, traditional miniature circuit breaker, leakage switch all do not possess intelligent real-time monitoring electric wiring technology, have only when long term overloading, electric leakage or short circuit appear in electric wiring, could trip.But the heating of electric wiring, electric leakage, arcing all have one to build up, process by quantitative change to qualitative change, because traditional miniature circuit breaker, leakage switch are not monitored in real time, warning function, can't in time find the potential safety hazard of electric wiring, when breaking out of fire or the person get an electric shock, trip again and cut off the electricity supply that often It dones't help the situation.At above-mentioned shortcoming,, the function of traditional miniature circuit breaker, leakage switch is improved very necessary for more effectively protecting personal, as to use electric line and power consumption equipment safety.
Summary of the invention
The purpose of this utility model is to overcome the not real-time monitoring of miniature circuit breaker, leakage switch, alarm function, and a kind of miniature circuit breaker with Microcomputer Protection and liquid crystal display is provided, and utility model possesses real-time monitoring, alarm and defencive function.
The technical solution of the utility model is: a kind of miniature circuit breaker with Microcomputer Protection and liquid crystal display, comprise: power supply, circuit breaker, electric current, voltage transformer, A/D conversion unscented transformation unit, the 8051CPU calculation control unit, the warning performance element, it is characterized in that: the voltage of power subsystem 6 output+3.3V, the vdd terminal of connection CPU, output+5V is the connecting circuit control unit respectively; The live wire of external ac power source and zero line input insert the miniature circuit breaker 1 of band shunted exciter tripping, its output passes leakage current transformer 2 simultaneously, live wire passes phase current mutual inductor 3 afterwards is connected to the external ac power source of device with zero line output, and voltage transformer 4 is connected to live wire and zero line; Secondary AC amount after phase current, leakage current and the voltage transformer conversion inserts phase current, leakage current and voltage commutation filter unit 7 respectively, inserts the P0.1-0.3 port of CPU then; The P0.4-0.6 port of CPU connects LCD unit 10 inputs respectively; The P1.0 port of CPU connects triode and drives final controlling element 12; The P1.1 of CPU, P1.2 end meets display activator switch Sw1 and functional switch sw2 respectively; The P0.7 of CPU, P1.3, P1.4 connect acousto-optic warning unit 11, i.e. the light-emitting diode of V1, V2 and S1 buzzer; By the programming computing of CPU control unit 9, the protection value of the leakage current of control and setting circuit breaker, overcurrent, overvoltage, power when circuit surpasses set point, is implemented to report to the police and the tripping operation power-off protection to circuit.
When the utility model was applied to the 380V three-phase four-wire power, every road live wire had corresponding phase current mutual inductor and voltage transformer, and three road live wires and zero line pass leakage current transformer simultaneously; Three phase current mutual inductors, secondary AC amount after leakage current transformer and three the voltage transformer conversion inserts phase current, leakage current and voltage commutation filter unit 7 respectively, insert access P0.0-0.3, the P1.5-1.7 port of CPU, the output of CPU, liquid crystal display, warning, execution control unit are identical with the single phase poaer supply circuit.
By communications interface unit 13 energy composition systems, a plurality of these devices can be networked by the mode of RS485 bus.Realize remote measurement, remote signalling and the remote control of multiple arrangement by a Master Control Unit in the network, to realize that certain zone realized the systematization networked control with electric line.
The utility model can be in real time to the leakage current of electric line, electric current, voltage, etc. of ac monitor; be equipped with electric leakage, overload, overvoltage, under-voltage, overcurrent, short-circuit protection function; and show by the human-computer dialogue liquid crystal display; the overcurrent that more effective protection electric wiring, especially multisection type can be adjusted as required (overload, overcurrent, short circuit) protection.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described again.
Fig. 1 is the miniature circuit breaker schematic diagram of the utility model band Microcomputer Protection and liquid crystal display, is the schematic diagram of the circuit of three-phase four-wire power;
Fig. 2 is the utility model extended networking schematic diagram;
Fig. 3 is the electronic component winding diagram of the miniature circuit breaker single phase circuit of the utility model band Microcomputer Protection and liquid crystal display.
Among the figure: (1) is the miniature circuit breaker of band shunted exciter tripping, and (2) are leakage current transformer, and (3) are phase current mutual inductor, (4) be voltage transformer, (5) be power transformer, (6) are power module, and (7) are phase current, leakage current and voltage commutation filter unit, (8) be A/D conversion unscented transformation unit, (9) be the CPU control unit, (10) establish the unit for the liquid crystal display function, and (11) are acousto-optic warning unit, (12) be final controlling element, (13) are communications interface unit.
Embodiment
With reference to Fig. 3, power supply connects the VDD terminals of CPU through the voltage of transformation, rectification output+3.3V, and output+5V is the connecting circuit control unit respectively; The live wire of external ac power source and zero line input insert the miniature circuit breaker 1 of band shunted exciter tripping, its output passes leakage current transformer 2 simultaneously, live wire passes phase current mutual inductor 3 afterwards is connected to the external ac power source of device with zero line output, and voltage transformer 4 is connected to live wire and zero line.Secondary AC amount after phase current, leakage current and the voltage transformer conversion inserts phase current, leakage current and voltage commutation filter unit 7 respectively, inserts the P0.1-0.3 port of CPU then; The P0.4-0.6 port of CPU connects LCD unit 10 inputs respectively; The P1.0 port of CPU connects triode and drives final controlling element 12; The P1.1 of CPU, P1.2 end meets display activator switch Sw1 and functional switch sw2 respectively; The P0.7 of CPU, P1.3, P1.4 connect acousto-optic warning unit 11, i.e. the light-emitting diode of V1, V2 and S1 buzzer; V3 is a relay indicating light of the present utility model.Under the programming Control of CPU calculation control unit 9; to leakage current with electric line; each phase current and voltage carry out real-time sampling; by being programmed into row operation; control and setting leakage current; electric current; the setting value of of acs such as voltage; in real time to leakage current with electric line; electric current; voltage; of acs such as power are monitored; and show by human-computer dialogue liquid crystal display 10; possesses electric leakage; overload; overvoltage; under-voltage; overcurrent; the short-circuit protection alarm function; when reaching warning value; report to the police by acousto-optic warning unit 11; when reaching the tripping operation setting value; CPU sends trip signal; drive the exit relay of final controlling element 12, the closed in short-term power supply of connecting the shunt opening coil of its contact makes the miniature circuit breaker tripping operation.
As can be seen from Figure 1, when power supply is the 380V of three-phase and four-line, two phase current mutual inductors of the corresponding increase of circuit and two voltage transformers, secondary AC amount after phase current, leakage current and the voltage transformer conversion inserts phase current, leakage current and voltage commutation filter unit 7 respectively, insert the terminals of the untapped sky of CPU, remaining circuit is with single-phase identical.Be specially: A, the B of three-phase four-wire system 380V power supply, C three-phase insert the miniature circuit breaker 1 of band shunted exciter tripping, its output A, B, C three-phase together pass leakage current transformer 2 mutually with N, A, B, C, N phase current mutual inductor 3 are serially connected with A, B, C, N phase respectively, voltage transformer 4 is connected to phase voltage A-N, B-N, C-N, power transformer 5 is connected to phase voltage A-N, through the secondary voltage of transformer conversion through power module 6 output+5V and+3.3V, + 3.3V provides power supply for CPU calculation control unit 9, and+5V is respectively Unit 8,10,11,12,13 power supply is provided; Secondary AC amount after phase current, leakage current and the voltage transformer conversion inserts phase current, leakage current and voltage commutation filter unit 7, inserts each terminals of CPU again.
The CPU that the utility model uses is 8051, have 20 terminals, be respectively fixing GND, VDD, the RET function except that 5,6,7, remaining terminals can connect input, output control signal arbitrarily, its every function will be realized by the control of CPU inside programming, the Sw1 activator switch, activate LCD, sw2 is a functional switch, can control the open and close of buzzer warning and trip avoidance function, V1 leakage-current alarm light-emitting diode, V2 are overvoltage or overcurrent warning light-emitting diode, and V3 is the circuit breaker relay indicating light.
With reference to figure 3, the utility model can the composition systems by communications interface unit 13, and certain zone realized the systematization networked control with electric line.Single-layer system can be realized the connection of 256 devices, but and multilayer expansion.
Functional characteristics of the present utility model such as following table:
| Function | In scope perhaps | Implementation method | Remarks |
| The normal demonstration | Electric current, leakage current, voltage, power | The application sample technology, software control. | Liquid crystal display |
| The overload alarm | 1-2 times of rated current, Delayed Alarm. | Software control is adjusted on request. | Show and audible and visual alarm |
| Electric leakage alarming | The 5-30 milliampere, Delayed Alarm. | Software control is adjusted on request. | Show and audible and visual alarm |
| Short-circuit protection | 10 times and above rated current | Miniature circuit breaker was threaded off in 0.1 second | Show and audible and visual alarm |
| Overcurrent protection | 1-5 times of rated current, delay tripping. | Software control is adjusted on request. | Show and audible and visual alarm |
| Overvoltage protection | Exceed the 15%-30% rated voltage. | Software control is adjusted on request. | Show and audible and visual alarm |
| Under-voltage protection | Be lower than the 15%-30% rated voltage. | Software control is adjusted on request. | Show and audible and visual alarm |
| Remote monitoring | Electric current, leakage current, voltage, power | Communication interface | |
| Transfer trip | Issue an order and force tripping operation in a distant place. | Communication interface |
As seen; the utility model does not singly comprise the function of miniature circuit breaker, leakage switch; also possess functions such as real-time monitoring, multisection type protection, the tripping operation of issuing an order, remote monitoring tripping operation; can find leakage current and overload situations that electric wiring is small early; take the precautionary measures early; nip in the bud, comprehensively safeguard function is guaranteed safety utilization of electric power, reduces accidents such as the fire of electric wiring initiation, personal electric shock, electric equipment damage.
The beneficial effect that the utility model patent produces
The leakage current of A, Real-Time Monitoring circuit, the user can know the situation of circuit at any time intuitively, whether existence is leaked electricity and serious situation, can in time search the socket that there is electric leakage, branch switch etc., electric leakage be caused the potential safety hazards such as electric wire heating, electric equipment scaling loss, personal electric shock, fire eliminate early in bud.
The electric current of B, Real-Time Monitoring circuit, the user can know the load condition of circuit at any time intuitively, can estimate the electricity consumption situation of various consumers, is conducive to the user and carries out scientific utilization of electricity, energy savings.
C, possess electric leakage, overload, overvoltage, under-voltage, overcurrent, short-circuit protection function; more effective protection electric wiring; especially the overcurrent protection (overload, overcurrent, short circuit) that can adjust as required of multisection type; be that miniature circuit breaker heat is threaded off, the effective of electromagnetic trip protection replenishes, can play more effective protective effect to the various faults of electric wiring.
D, owing to adopt the digital and electronic communication technology, be convenient to realize systematization, networking, can realize remote the monitoring.
The technology that the utility model patent adopts; i.e. " with the miniature circuit breaker of Microcomputer Protection and liquid crystal display "; be the renewal product of miniature circuit breaker and leakage switch, be widely used in that household dwelling house, market, public place of entertainment, factory, hotel, school etc. are civilian, the electricity protection in commercial place.
Claims (3)
1, a kind of miniature circuit breaker with Microcomputer Protection and liquid crystal display, comprise: power supply, circuit breaker, electric current, voltage transformer, A/D conversion unscented transformation unit, 8051CPU calculation control unit, the warning performance element, it is characterized in that: the voltage of power subsystem (6) output+3.3V, the vdd terminal of connection CPU, output+5V is the connecting circuit control unit respectively; The live wire of external ac power source and zero line input insert the miniature circuit breaker (1) of band shunted exciter tripping, its output passes leakage current transformer (2) simultaneously, live wire passes phase current mutual inductor (3) afterwards is connected to the external ac power source of circuit breaker with zero line output, and voltage transformer (4) is connected to live wire and zero line; Secondary AC amount after said phase current, leakage current and the voltage transformer conversion inserts phase current, leakage current and voltage commutation filter unit (7) respectively, inserts the P0.1-0.3 port of CPU then; The P0.4-0.6 port of CPU connects LCD unit (10) input respectively; The P1.0 port of CPU connects triode and drives final controlling element (12); The P1.1 of CPU, P1.2 end meets display activator switch Sw1 and functional switch sw2 respectively; The P0.7 of CPU, P1.3, P1.4 connect acousto-optic warning unit (11), i.e. the light-emitting diode of V1, V2 and S1 buzzer; By the programming computing of CPU control unit (9), the protection value of the leakage current of control and setting circuit breaker, overcurrent, overvoltage, power when circuit surpasses set point, is implemented to report to the police and the tripping operation power-off protection to circuit.
2, the miniature circuit breaker of band Microcomputer Protection according to claim 1 and liquid crystal display, it is characterized in that: when power supply is 380V three-phase and four-line circuit, every road live wire has corresponding phase current mutual inductor and voltage transformer, and three road live wires and zero line pass leakage current transformer simultaneously; Three phase current mutual inductors, secondary AC amount after leakage current transformer and three the voltage transformer conversion inserts phase current, leakage current and voltage commutation filter unit (7) respectively, insert access P0.0-0.3, the P1.5-1.7 port of CPU, the output of CPU, liquid crystal display, warning, execution control unit are identical with single-phase power circuit.
3, the miniature circuit breaker of band Microcomputer Protection according to claim 1 and liquid crystal display; it is characterized in that: by communications interface unit (13) energy composition system; a plurality of these devices can be networked by the mode of RS485 bus; realize remote measurement, remote signalling and the remote control of multiple arrangement by a Master Control Unit in the network, to realize that certain zone realized the systematization networked control with electric line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200457553U CN201174571Y (en) | 2008-03-31 | 2008-03-31 | Micro circuit breaker having micro-computer protection and liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200457553U CN201174571Y (en) | 2008-03-31 | 2008-03-31 | Micro circuit breaker having micro-computer protection and liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201174571Y true CN201174571Y (en) | 2008-12-31 |
Family
ID=40201699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200457553U Expired - Fee Related CN201174571Y (en) | 2008-03-31 | 2008-03-31 | Micro circuit breaker having micro-computer protection and liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201174571Y (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102510128A (en) * | 2011-10-27 | 2012-06-20 | 王成楷 | Intelligent electric leakage remote monitoring protector of low-voltage power grid |
| CN103066549A (en) * | 2011-10-21 | 2013-04-24 | 施耐德电器工业公司 | A relay with an intermediate alert mechanism |
| CN103247998A (en) * | 2013-04-25 | 2013-08-14 | 国家电网公司 | Electronic type low-pressure distribution transformer fuse case capable of simulating various fuse characteristic curves |
| CN103400726A (en) * | 2013-08-12 | 2013-11-20 | 乐清市国隆电气有限公司 | Circuit breaker controlled by remote wireless signal |
| CN103500991A (en) * | 2013-10-14 | 2014-01-08 | 南京康尼科技实业有限公司 | Integrated protective circuit breaker |
| CN103606961A (en) * | 2013-12-12 | 2014-02-26 | 国网上海市电力公司 | Distributed photovoltaic power station/transformer substation 10kV bus grid-integration structure |
| CN104113037A (en) * | 2013-04-17 | 2014-10-22 | 成都博盛信息技术有限公司 | Wireless intelligent power supply management device |
| CN106159894A (en) * | 2016-07-07 | 2016-11-23 | 彭浩明 | Small-sized collection chopper of networking |
| CN106253218A (en) * | 2016-08-19 | 2016-12-21 | 国网山东省电力公司昌邑市供电公司 | Control load intelligent breaker |
| CN106486961A (en) * | 2015-08-25 | 2017-03-08 | 三菱电机株式会社 | Rccb |
| CN107276012A (en) * | 2017-08-14 | 2017-10-20 | 石家庄博发科技有限公司 | A kind of quick networking intelligent line protection device |
| CN107404113A (en) * | 2017-07-01 | 2017-11-28 | 合肥东玖电气有限公司 | A kind of overvoltage inhibiting apparatus |
| CN109687414A (en) * | 2019-03-04 | 2019-04-26 | 山东优柏电子科技有限公司 | It is a kind of that industry and residential electricity consumption line protective devices are used for based on breaker |
| CN111193240A (en) * | 2018-11-14 | 2020-05-22 | 比亚迪股份有限公司 | Control method and device of circuit breaker, rail transit traction control system and train |
| CN112510822A (en) * | 2020-11-16 | 2021-03-16 | 重庆唯此科技有限公司 | Intelligent circuit breaker with early warning function |
-
2008
- 2008-03-31 CN CNU2008200457553U patent/CN201174571Y/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066549A (en) * | 2011-10-21 | 2013-04-24 | 施耐德电器工业公司 | A relay with an intermediate alert mechanism |
| CN103066549B (en) * | 2011-10-21 | 2016-09-07 | 施耐德电器工业公司 | Relay with middle alert mechanism |
| CN102510128A (en) * | 2011-10-27 | 2012-06-20 | 王成楷 | Intelligent electric leakage remote monitoring protector of low-voltage power grid |
| CN104113037A (en) * | 2013-04-17 | 2014-10-22 | 成都博盛信息技术有限公司 | Wireless intelligent power supply management device |
| CN103247998A (en) * | 2013-04-25 | 2013-08-14 | 国家电网公司 | Electronic type low-pressure distribution transformer fuse case capable of simulating various fuse characteristic curves |
| CN103400726A (en) * | 2013-08-12 | 2013-11-20 | 乐清市国隆电气有限公司 | Circuit breaker controlled by remote wireless signal |
| CN103500991A (en) * | 2013-10-14 | 2014-01-08 | 南京康尼科技实业有限公司 | Integrated protective circuit breaker |
| CN103500991B (en) * | 2013-10-14 | 2017-03-08 | 南京康尼科技实业有限公司 | Integral type protective breaker |
| CN103606961A (en) * | 2013-12-12 | 2014-02-26 | 国网上海市电力公司 | Distributed photovoltaic power station/transformer substation 10kV bus grid-integration structure |
| CN106486961A (en) * | 2015-08-25 | 2017-03-08 | 三菱电机株式会社 | Rccb |
| CN106486961B (en) * | 2015-08-25 | 2018-10-16 | 三菱电机株式会社 | Leakage circuit breakers |
| CN106159894A (en) * | 2016-07-07 | 2016-11-23 | 彭浩明 | Small-sized collection chopper of networking |
| CN106159894B (en) * | 2016-07-07 | 2019-03-19 | 彭浩明 | Small-sized network acquires breaker |
| CN106253218A (en) * | 2016-08-19 | 2016-12-21 | 国网山东省电力公司昌邑市供电公司 | Control load intelligent breaker |
| CN107404113A (en) * | 2017-07-01 | 2017-11-28 | 合肥东玖电气有限公司 | A kind of overvoltage inhibiting apparatus |
| CN107276012A (en) * | 2017-08-14 | 2017-10-20 | 石家庄博发科技有限公司 | A kind of quick networking intelligent line protection device |
| CN111193240A (en) * | 2018-11-14 | 2020-05-22 | 比亚迪股份有限公司 | Control method and device of circuit breaker, rail transit traction control system and train |
| CN111193240B (en) * | 2018-11-14 | 2021-11-12 | 比亚迪股份有限公司 | Control method and device of circuit breaker, rail transit traction control system and train |
| CN109687414A (en) * | 2019-03-04 | 2019-04-26 | 山东优柏电子科技有限公司 | It is a kind of that industry and residential electricity consumption line protective devices are used for based on breaker |
| CN112510822A (en) * | 2020-11-16 | 2021-03-16 | 重庆唯此科技有限公司 | Intelligent circuit breaker with early warning function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201174571Y (en) | Micro circuit breaker having micro-computer protection and liquid crystal display | |
| CN101673964B (en) | Modular UPS integrated power distribution system | |
| CN208478943U (en) | A kind of remote control intelligent household distribution box | |
| CN204304404U (en) | A kind of intelligent water pump air blower control cabinet | |
| CN104638768A (en) | Intelligent power distribution security control terminal based on residential electricity consumption | |
| CN110620434A (en) | Block terminal based on intelligent monitoring | |
| CN204029102U (en) | A kind of electrical fire monitoring device based on modified two lines bus | |
| CN201044352Y (en) | Intelligent minitype breaker | |
| CN201466790U (en) | Integrated power distribution system of modularized UPS | |
| CN211046116U (en) | Intelligent second grade block terminal is used to job site | |
| CN205231838U (en) | Boats and ships bank electricity automatic switching device | |
| JP6670483B2 (en) | Household distribution board for forced power cut-off and forced power cut-off system | |
| CN207053251U (en) | A kind of grid entry point supervising device of family expenses photovoltaic generating system | |
| CN205265226U (en) | High performance electric leakage electric cabinet | |
| CN202759427U (en) | Two-wire electronic switch with fire fighting function | |
| CN201860126U (en) | Monitoring protection comprehensive device of low voltage unit | |
| CN210608696U (en) | Block terminal based on intelligent monitoring | |
| CN201937341U (en) | Non-voltage recovery device of remote monitoring type distribution room | |
| CN204314645U (en) | A kind of low-voltage distribution system by screen break-make automaton | |
| CN200959023Y (en) | Leakage alarming monitor | |
| KR101473224B1 (en) | Power distribution board for preventing of black out and arc fault | |
| CN111725895A (en) | Transformer intelligent terminal | |
| CN201308737Y (en) | Automatic transfer switch with fire-protection reset function | |
| CN201975863U (en) | Intelligent low-voltage bus control system | |
| CN201985606U (en) | Quick access device for public emergency power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lin Longjie Inventor after: Chen Hongshan Inventor after: Lin Wangqing Inventor before: Lin Longjie Inventor before: Chen Hongye Inventor before: Lin Wangqing |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LIN LONGJIE; CHEN HONGYE; LIN WANGQING TO: LIN LONGJIE; CHEN HONGSHAN; LINWANGQING |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081231 Termination date: 20120331 |