CN100430736C - Power saving type active electric energy meter - Google Patents
Power saving type active electric energy meter Download PDFInfo
- Publication number
- CN100430736C CN100430736C CNB2005100218996A CN200510021899A CN100430736C CN 100430736 C CN100430736 C CN 100430736C CN B2005100218996 A CNB2005100218996 A CN B2005100218996A CN 200510021899 A CN200510021899 A CN 200510021899A CN 100430736 C CN100430736 C CN 100430736C
- Authority
- CN
- China
- Prior art keywords
- unit
- voltage
- main control
- electric energy
- control unit
- 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
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The present invention discloses an electricity-saving type active electric energy metering apparatus which is directly arranged on the front end of a user's main incoming line and is provided with a power factor compensation unit, a voltage regulating unit and a main control unit comprising a regulating drive circuit, wherein the power factor compensation unit crosses over between a fire wire and a zero line on the output end, and the control end of the voltage regulating unit is connected with the output end of the main control unit. The main control unit comprises an SCM with a non-volatile memory, a sampled signal converting circuit, a command input device, a display device and the regulating drive circuit matched with the voltage regulating unit, wherein the sampled signal converting circuit, the command input device and the display device are respectively connected with the SCM with the non-volatile memory. The present invention can simultaneously protect various power consumption devices, can automatically stabilize the operating voltage, can increase the power supply quality, can improve the system running power factor, can increase the electricity utilization efficiency, can effectively reduce the consumption of electric power of the system, can control the power rate cost, can decrease the line operation temperature, can increase the electricity utilization safety, can suppress the high voltage peak which is transiently caused, can protect the power consumption devices and can replace the existing active electric energy meters and energy saving protectors.
Description
Technical field
The present invention relates to be used to measure the electromechanical assembly of the time integral of electric power or electric current, especially relate to a kind of power saving type active electric energy meter.
Background technology
Existing active electric energy meter has only single function of measuring mostly, does not have the function of economizing on electricity and consumer being implemented protection.On the other hand, more expensive, the power savings of more popular energy-saving motor, air-conditioning, refrigerator ubiquity price is subjected to actual environment for use to influence the defective big, that the user can't obtain obvious energy-saving efficiency in a short time on the existing market.In addition, existing supply voltage is generally higher, and the most of the time has all surpassed the design effort voltage of electric equipment, and consumer is worked under high voltage for a long time and caused electronic devices and components in the equipment and insulation accelerated aging easily, the serviceable life of shortening equipment, and may cause security incident.Especially the electrical appliance kind that has of some user is more, and amount of capacity is uneven, and every kind of electrical appliance adopts the electricity-saving protection product respectively, uses inconveniently, and cost of investment is higher.
Summary of the invention
Technical matters to be solved by this invention is to overcome the drawback that above-mentioned prior art exists; propose a kind of can protect simultaneously multiple consumer, can the autostable operating voltage, improve the system operating power factor, effectively control the power saving type active electric energy meter of grid electricity fee cost, to replace existing active electric energy meter, electricity-saving protection device.
Technical matters of the present invention is solved like this:
This power saving type active electric energy meter is directly installed on user's total input-wire front end.
The characteristics of this power saving type active electric energy meter are:
Be provided with power factor compensation unit, the voltage-regulation unit that is arranged between input end and the output terminal and comprise the main control unit of regulating driving circuit, the power factor compensation unit is connected across between the live wire and zero line of output terminal, and the control end of voltage-regulation unit is connected with the output terminal of main control unit.
Described main control unit comprise the singlechip CPU of being with nonvolatile memory, respectively connected sampled signal change-over circuit, instruction entering apparatus, display device and with the adjusting driving circuit of voltage-regulation unit adapted.
Technical matters of the present invention is further to solve like this:
Also be provided with to main control unit the running current of system's reality and current sampling unit, the voltage sample unit of input voltage data are provided respectively, current sampling unit is sampled from major loop by current transformer, the voltage sample unit respectively from the input, output terminal voltage sample.
The function of current sampling unit is the running current data of sampling system reality, provides main control unit to show metering and supervisory circuit overload protection in real time; The function of voltage sample unit is the input voltage data of sampling system reality, provides main control unit to show in real time and measures and by regulating driving circuit driving voltage regulon output voltage is adjusted.
Main control unit is according to instructing the parameter of entering apparatus setting and the data that voltage, current sampling unit transmit, by the processing computing of singlechip CPU to voltage, current signal, and relatively produce correspondent voltage adjustment instruction according to output voltage and setting value, control output voltage is constant near setting voltage, also real-time voltage, electric current, meritorious cumulative data and operation accordingly and the failure message with output shows that on the display device by its driving meritorious cumulative data is stored in the nonvolatile memory.
Technical matters of the present invention is still further solved like this:
Can be provided be connected with input end by protective tube or the input overload protection unit formed by current transformer, overcurrent relay.Its function is to prevent to damage consumer, supply line or cause accident such as fire because of circuit overloads or short circuit.
Can also be provided with the communication control module of realizing Centralized Monitoring or remote meter reading with described main control unit, will comprise that by the power line communication link data of different period power consumptions every day, accumulative total power consumption send to power supply management department.
Technical matters of the present invention is to solve according to qualifications like this:
Described power factor compensation unit is made up of power capacitor.Its function is to provide capacity current by power capacitor, the power factor of raising system operation, reduce the reactive loss of circuit, the utilized capacity of expansion system reduces the circuit running temperature, effectively the serviceable life of extension lead, track remodelling needn't be carried out and just the needs that the user increases consumer can be satisfied, save the expense of System Expansion, and avoid the generation of the fire failure that causes because of circuit overloads, improve the security of electricity consumption greatly.
Described voltage-regulation unit is made up of the A.C. contactor and the pressure regulator of level pressure regulation the servomotor of realizing stepless voltage regulation or realization.Its function is to adjust output voltage automatically according to the variation of supply voltage, phenomenons such as effectively eliminating voltage fluctuation, sink, voltage interruption, voltage are higher, make the constant all the time voltage levvl of setting of output voltage, avoid the too high harmful effect of supply voltage, prolong the serviceable life of electric equipment consumer.And limit output voltage by adjusting and can effectively reduce consuming excessively of electric energy, significantly improve power savings.
Described storer is flash memory (Flash Memory), ferroelectric storage (Ferroelectric RAM), magnetoresistive memory (Magneto-resistive RAM), phase transition storage (Ovonic Unified Memory), or the combination of flash memory and ferroelectric storage, magnetoresistive memory, phase transition storage.
Described flash memory is used to store the persistent data of registering and can not changing and erase through power supply management department.
Described ferroelectric memory, magnetoresistive memory, phase transition storage are used to store the variable data that comprises different period power consumptions every day, accumulative total power consumption.Described ferroelectric memory, magnetoresistive memory or phase transition storage have the non-volatile of the capacity of speed, dynamic storage (DynamicRAM) of static memory (Static RAM) and flash memory concurrently.
Preferred scheme is that described storer is the combination of flash memory and ferroelectric storage.The read or write speed of ferroelectric storage is fast, can be unlimited erasable, and required power consumption is well below other nonvolatile memories.
Described flash memory is the flash memory that adopts the read-write of ECC (Error Checking and Correction, error checking and correction and correction) technology.
Described flash memory is the above flash memory of capacity 8K.
Described ferroelectric storage is M24C series or 24LC series TW two wire I
2C serial EEPROM storer.The former is produced by STMicroelectronics Ltd. (STMicroelectronics), and its write operation is quick, and non-time delay is erasable more than 1,000,000 times, and data can be preserved more than 40 years; The latter is produced by Microchip Technology (Microchip Technology), and its write operation is quick, and non-time delay is erasable more than 1,000,000 times, and data can be preserved more than 200 years.
Described instruction entering apparatus is button or film key;
Described display device is LCD, LED or charactron;
Described and adjusting driving circuit voltage-regulation unit adapted is servo control circuit or relay.
Technical matters of the present invention is still solved so according to qualifications:
Be provided with the transition inhibition unit of going into major loop by main control unit control grafting; its function is effectively to absorb from the grid power transmission line imports into and internal circuit produces various interference noises and high pressure spike; protect terminal consumer not to be subjected to the damage of transition, surge; the power consumption that can avoid transition to cause serious decline of system's power consumption efficiency and electric machine temperature rise to increase, thereby the energy consumption of reduction total system.
Preferred scheme is, it is the Γ type four-pole network that parallel component and inductor by metal oxide varistor MOV, discharge tube constitute that described transition suppresses the unit.Adopt discharge tube can absorb bigger transient energy.
Also be provided with circuit switch unit of forming by open and shut valve and the switching controls switch that is controlled by main control unit, when operate as normal, be in electricity-saving state, described transition is suppressed the unit with described switching controls switch control open and shut valve and peg graft into major loop in the voltage-regulation unit, be in bypass condition when circuit generation over current fault, described switching controls switch control open and shut valve suppresses unit and voltage-regulation unit bypass with described transition.
Preferred scheme is, the open and shut valve of described circuit switch unit is composed in parallel by the normally opened contact of main A.C. contactor and bypass A.C. contactor, main A.C. contactor has two groups of normally opened contacts, one group of normally opened contact is serially connected in the input end that described transition suppresses unit and voltage-regulation unit, and another group normally opened contact is serially connected in the output terminal that described transition suppresses unit and voltage-regulation unit.
Apparatus of the present invention can be protected multiple consumer simultaneously, can the autostable operating voltage, improve power supply quality; Improve the system operating power factor, improve power consumption efficiency; Effectively reduce systematic electricity consumption, the control grid electricity fee cost; Reduce the circuit running temperature, improve electrical safety; Suppress the high pressure spike that transition causes, the protection consumer.The integrated power-saving rate is on average up to more than 15%.Can replace existing active electric energy meter, electricity-saving protection device based on electricity-saving type digital electricity meter of the present invention or prepayment meter, effectively prevention changes table and steals electric behavior, and power supply management department can also adopt by the charging way of electricity consumption period and collect the electricity charge to the user.
Description of drawings
Below the contrast accompanying drawing and in conjunction with embodiment the invention will be further described.
Accompanying drawing is the circuit diagram of the embodiment of the invention.
Embodiment
A kind of power saving type active electric energy table
Power saving type active electric energy table as shown in the figure is directly installed on user's total input-wire front end.
Be provided with and be arranged on input end L
INWith output terminal L
OUTBetween power factor compensation unit 1, voltage-regulation unit 2 and comprise the main control unit 3 of regulating driving circuit, power factor compensation unit 1 is connected across the live wire L of output terminal
OUTAnd between the zero line N, the control end of voltage-regulation unit 2 is connected with the output terminal of main control unit 3.The singlechip CPU of main control unit 3 is that the model that U.S. Atmel Corporation (Atmel) produces is the single-chip microcomputer of AT89C51.
Described power factor compensation unit 1 is made up of power capacitor C.
Described voltage-regulation unit 2 is that servomotor D and the pressure regulator T of 32ZY-70-DC forms by model.Described main control unit 3 comprise the singlechip CPU of being with nonvolatile memory, respectively connected sampled signal change-over circuit, key command entering apparatus, LCD display part and with the adjusting driving circuit of voltage-regulation unit adapted.
Described storer is the flash memory of the above ECC of employing of capacity 8K technology read-write and the combination of ferroelectric storage.Ferroelectric storage is the non-volatile serial EEPROM storer of M24C series that company of STMicroelectronics Ltd. produces.
Also be provided with to main control unit 1 running current of system's reality and current sampling unit 4, voltage sample unit 5-1, the 5-2 of input voltage data are provided respectively, current sampling unit 4 is sampled from major loop by current transformer TA, voltage sample unit 5-1,5-2 respectively from the input, output terminal voltage sample.
Be provided with the transition inhibition unit 6 of going into major loop by main control unit 3 control grafting.It is to be the parallel component of metal oxide varistor MOV, 2RL400-7 type discharge tube H of V275LA40B and the Γ type four-pole network that inductor L constitutes by model that described transition suppresses unit 6.
Also be provided with circuit switch unit of forming by open and shut valve 7 and the switching controls switch that is controlled by main control unit 3, when operate as normal, be in electricity-saving state, described transition is suppressed unit 6 with described switching controls switch control open and shut valve and major loop is gone in 2 grafting of voltage-regulation unit, be in bypass condition when circuit generation over current fault, described switching controls switch control open and shut valve suppresses unit 6 and 2 bypasses of voltage-regulation unit with described transition.
Described and adjusting driving circuits voltage-regulation unit 2 adapteds are servo control circuits.
The open and shut valve of described circuit switch unit 7 is composed in parallel by the normally opened contact of main A.C. contactor K1-1, K1-2 and bypass A.C. contactor K2.Main A.C. contactor K1-1, K1-2 have two groups of normally opened contacts, and one group of normally opened contact is serially connected in the input end that described transition suppresses unit 6 and voltage-regulation unit 2, and another group normally opened contact is serially connected in the output terminal that described transition suppresses unit 6 and voltage-regulation unit 2.
Also be provided with and input end L
INThe input overload protection unit of forming by protective tube RD 8 that connects.
The working condition of this embodiment is as follows:
This electricity-saving type active electric energy meter being directly installed on user's total input-wire front end, connecting general supply, devotes oneself to work in input protection unit 8.If electric current surpasses the tolerance limit value, protective tube RD will work, and cut off circuit.If electric current is normal, LCD display shows initial state information, and the user can carry out system clock and output voltage, the isoparametric setting of overload action current by operation push-button.Also devote oneself to work in power factor compensation unit 1, the system operating power factor is improved 0.2～0.5, and total running current is descended, and line loss reduces greatly.
The running current data of input voltage and reality are respectively by being sent to main control unit 3 after voltage sample unit 5-1,5-2 and current sampling unit 4 samplings, for control and metering demonstration provide the input reference data automatically.Main control unit 3 is handled computing data such as real-time display voltage, electric current, active electrical degree on LCD display with institute's input reference data process, and active electrical degree is added up automatically.When causing output voltage, mains voltage variations changes, or people's setting voltage for a change, the singlechip CPU of main control unit 3 adjusts accordingly pressure regulator T by s operation control servomotor D, guarantees that output voltage is constant in setting value, guarantees to supply with the voltage constant of consumer.
Ifs circuit generation over current fault, detect electric current and surpass specified permissible value, the singlechip CPU control circuit switch unit 7 of main control unit 3 suppresses unit 6 and 2 bypasses of voltage-regulation unit with transition, and demonstration overload messages, follow the tracks of simultaneously and detect current value,, will automatically switch to electricity-saving state again if current value is lower than specified permissible value, transition soon suppresses unit 6 and major loop is gone in 2 grafting of voltage-regulation unit, guarantees that phenomenon can not appear transshipping in major loop.
Transition suppresses unit 6 devotes oneself to work at electricity-saving state, and the parallel circuit of being made up of gas-discharge tube H and metal oxide varistor MOV can in time respond the transition that produces in the circuit, eliminates big surge spike and transition impact.Inductor L can cushion the surge impact that produces in the supply line, and the amplitude that weakens due to voltage spikes and sink is carried out certain reparation to waveform, and filters harmonic wave.Both can protect consumer not to be subjected to the shock effect and the damage of transition surge, and can eliminate the transition surge again and cause system to increase energy consumption.
After 6 filtrations of transition inhibition unit, enter voltage-regulation unit 2, servomotor D moves according to the brush that steering order drives pressure regulator T, and the magnitude of voltage that the output voltage convergence is set finally is stabilized in setting voltage.When mains voltage variations and setting voltage change, servomotor D will obtain corresponding instruction, readjust the position of brush, change output voltage values.So no matter how supply voltage changes, and voltage-regulation unit 2 can both in time respond, and guarantees that output voltage is constant near setting voltage value, and the optimized electric energy of supply load is effectively eliminated the waste of energy that excessive power supply station causes.
On probation showing: the common city dweller family of total load capacity about 10A, the electricity charge in every month are paid about 200 yuan, adopt this electricity-saving type active electric energy meter, can reduce the electricity charge expenditure every year more than 300 yuan.The villa of total load capacity about 30A, the electricity charge in every month are paid about 700 yuan, adopt this electricity-saving type active electric energy meter, can reduce the electricity charge expenditure every year more than 1000 yuan.
Above content be in conjunction with embodiment to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, the some simple deduction or replace of making without departing from the inventive concept of the premise all should be considered as belonging to the determined scope of patent protection of claims of the present invention.
Claims (6)
1. a power saving type active electric energy meter is directly installed on user's total input-wire front end, it is characterized in that:
Be provided with and be arranged on the power factor compensation unit formed by power capacitor between input end and the output terminal, by the servomotor of realizing stepless voltage regulation and voltage-regulation unit that pressure regulator is formed and comprise the main control unit of regulating driving circuit, the power factor compensation unit is connected across between the live wire and zero line of output terminal, and the control end of voltage-regulation unit is connected with the output terminal of main control unit;
Described main control unit comprise the single-chip microcomputer of being with nonvolatile memory, respectively connected sampled signal change-over circuit, instruction entering apparatus, display device and with the adjusting driving circuit of voltage-regulation unit adapted;
Also be provided with to main control unit the running current of system's reality and current sampling unit, the voltage sample unit of input voltage data are provided respectively, current sampling unit is sampled from major loop by current transformer, the voltage sample unit respectively from the input, output terminal voltage sample.
2. according to the described power saving type active electric energy meter of claim 1, it is characterized in that:
Also be provided be connected with input end by protective tube or the input overload protection unit formed by current transformer, overcurrent relay.
3. according to claim 1 or 2 described power saving type active electric energy meters, it is characterized in that:
Also be provided with the communication control module of realizing Centralized Monitoring or remote meter reading with described main control unit.
4. according to the described power saving type active electric energy meter of claim 3, it is characterized in that:
Be provided with by main control unit control peg graft the transition of major loop and suppress the unit, it is the Γ type four-pole network that parallel component and inductor by metal oxide varistor, discharge tube constitute that described transition suppresses the unit.
5. according to the described power saving type active electric energy meter of claim 4, it is characterized in that:
Also be provided with circuit switch unit of forming by open and shut valve and the switching controls switch that is controlled by main control unit, described switching controls switch control open and shut valve pegs graft described transition inhibition unit and voltage-regulation unit into major loop when operate as normal, and described switching controls switch control open and shut valve suppresses unit and voltage-regulation unit bypass with described transition when circuit generation over current fault.
6. according to the described power saving type active electric energy meter of claim 5, it is characterized in that:
The open and shut valve of described circuit switch unit is composed in parallel by the normally opened contact of main A.C. contactor and bypass A.C. contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100218996A CN100430736C (en) | 2005-10-14 | 2005-10-14 | Power saving type active electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100218996A CN100430736C (en) | 2005-10-14 | 2005-10-14 | Power saving type active electric energy meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1752760A CN1752760A (en) | 2006-03-29 |
| CN100430736C true CN100430736C (en) | 2008-11-05 |
Family
ID=36679700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100218996A Expired - Fee Related CN100430736C (en) | 2005-10-14 | 2005-10-14 | Power saving type active electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100430736C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907870B (en) * | 2009-06-03 | 2012-07-18 | 光积昌 | Energy saving control device and power supply connector and switch device with same |
| CN103825428A (en) * | 2012-11-19 | 2014-05-28 | 苏州工业园区新宏博通讯科技有限公司 | Power supply with electrical-energy metering function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2075832U (en) * | 1990-03-28 | 1991-04-24 | 邓汉坤 | Electric clip controller for electric quantity, and electric peak and low valley time |
| CN2174711Y (en) * | 1993-04-27 | 1994-08-17 | 闻立业 | Intelligent multi-function digital electric meter |
| CN2175937Y (en) * | 1993-07-10 | 1994-08-31 | 徐炜 | Multi-plex intelligent watt-hour meter |
| US6507794B1 (en) * | 1996-10-22 | 2003-01-14 | Abb Automation Inc. | Energy meter with power quality monitoring systems and methods |
| US20030014200A1 (en) * | 1999-08-09 | 2003-01-16 | Power Measurement Ltd. | Revenue meter with power quality features |
| CN2833606Y (en) * | 2005-10-14 | 2006-11-01 | 戴志云 | Electricity-saving type active electric energy metering apparatus |
-
2005
- 2005-10-14 CN CNB2005100218996A patent/CN100430736C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2075832U (en) * | 1990-03-28 | 1991-04-24 | 邓汉坤 | Electric clip controller for electric quantity, and electric peak and low valley time |
| CN2174711Y (en) * | 1993-04-27 | 1994-08-17 | 闻立业 | Intelligent multi-function digital electric meter |
| CN2175937Y (en) * | 1993-07-10 | 1994-08-31 | 徐炜 | Multi-plex intelligent watt-hour meter |
| US6507794B1 (en) * | 1996-10-22 | 2003-01-14 | Abb Automation Inc. | Energy meter with power quality monitoring systems and methods |
| US20030014200A1 (en) * | 1999-08-09 | 2003-01-16 | Power Measurement Ltd. | Revenue meter with power quality features |
| CN2833606Y (en) * | 2005-10-14 | 2006-11-01 | 戴志云 | Electricity-saving type active electric energy metering apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1752760A (en) | 2006-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203690938U (en) | Low-voltage reactive-power automatic compensation device | |
| CN104807143A (en) | Electric-energy-friendly-based air conditioner load side active demand strategy | |
| CN105699753A (en) | Online monitoring device for grounding current of transformer core | |
| CN103595059A (en) | Reactive compensation device of 10kV line | |
| CN206922435U (en) | A kind of novel intelligent reactive compensation apparatus | |
| CN100430736C (en) | Power saving type active electric energy meter | |
| CN111049165A (en) | Method and system for energy storage configuration of new energy power system | |
| CN103177860A (en) | Stereoscopic rolling iron core intelligent transformer | |
| CN103645363A (en) | Two-way metering three-phase intelligent electric energy meter | |
| CN201765272U (en) | Three-fee-controlled wireless intelligent electric energy meter | |
| CN205450103U (en) | On -line monitoring device for grounding current of transformer iron core | |
| CN2833606Y (en) | Electricity-saving type active electric energy metering apparatus | |
| CN103094902A (en) | Control method for real-time generating capacity of wind farm | |
| CN203366968U (en) | Stereoscopic rolling iron core intelligent transformer | |
| CN204882838U (en) | Direct current 240 or 336V distribution equipment electric quantity and load condition monitor cell | |
| CN108489566B (en) | Self-adaptive reed pipe pulse counter system and operation method | |
| CN204361769U (en) | A kind of power circuit with solar energy and civil power duplicate supply interface | |
| CN101609941B (en) | Single phase intelligent electricity-saving protection control socket | |
| CN202495641U (en) | Energy-saving automatic shut-off protection control socket | |
| CN101841232A (en) | Redundancy backup processing method and redundancy backup control circuit of capacitor | |
| Warshay | Upgrading the Grid: How to Modernize America's Electrical Infrastructure | |
| CN102723748A (en) | Accumulator battery array controller | |
| CN202550598U (en) | Standby power supply control circuit for coarse spinner | |
| CN201204462Y (en) | Control execution module | |
| CN203151112U (en) | High voltage electric power reactive compensation controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081105 Termination date: 20111014 |