CN205427102U - Current transformer polarity high speed tester - Google Patents
Current transformer polarity high speed tester Download PDFInfo
- Publication number
- CN205427102U CN205427102U CN201620143544.8U CN201620143544U CN205427102U CN 205427102 U CN205427102 U CN 205427102U CN 201620143544 U CN201620143544 U CN 201620143544U CN 205427102 U CN205427102 U CN 205427102U
- Authority
- CN
- China
- Prior art keywords
- resistance
- audion
- circuit
- current transformer
- high speed
- 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
Abstract
The utility model belongs to the technical field of the power station test, concretely relates to current transformer polarity high speed tester. Is including setting up the binding post at housing face right side both ends, and LCD display and printer that the housing face left end set up are provided with power source and switch between binding post's below and housing face's the bottom border to and set up at inside polarity discrimination circuit, signal controller, battery powered monitoring circuit and the communication interface circuit of casing, binding post passes through polarity discrimination circuit and signal controller electrical connection, signal controller respectively with battery powered monitoring circuit, communication interface circuit and LCD display electrical connection, communication interface circuit is connected with communication switching mouth and printer, the utility model discloses convenient operation can swiftly differentiate a current transformer polarity effectively, reduces test time, improves maintenance efficiency.
Description
Technical field
This utility model belongs to power station technical field of measurement and test, is specifically related to a kind of current transformer polarity high speed tester.
Background technology
Current transformer (hereinafter referred to as CT; CurrentTransformer) it is that power system contacts primary circuit and the visual plant of secondary circuit; in power plant, transformer station, power distribution network be widely used, the big electric current of power system primary side can be converted into secondary current supply by alternating flux and protect, measures, measures, records the secondary circuit uses such as ripple by it.It is galvanically isolated effect due to what current transformer played first and second loop in relay protection secondary circuit; there are two and above leading-out terminal in their first and second side; the leading-out terminal mistake of either side CT or the reverse polarity connection of secondary side circuit; the phase place that will make secondary side changes 180 degree; the most very likely cause protection device (function) tripping or the malfunction of some band discriminating direction conditions, thus work the mischief to the safe and stable operation of electrical network.Accordingly, it would be desirable to before current transformer comes into operation or change after CT secondary cable, the polarity to above-mentioned CT is tested in time is the working link that relay protection staff is indispensable.Although existing polarity test device function is the most complete, but the heaviest inconvenient to carry, wiring is more in disorder, loaded down with trivial details the most at the scene, easily makes mistakes, and reduces overhaul efficiency.
Utility model content
The purpose of this utility model is the problems referred to above solving prior art, it is provided that one is simple to operate, energy is quick, correct decision current transformer polarity high speed tester, and to achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of current transformer polarity high speed tester, it is characterized in that: include housing, and the right two ends of surface of shell are provided with binding post, surface of shell left end is provided with LCD display and printer, it is provided with power interface and on and off switch between lower section and the bottom side edge edge of surface of shell of binding post, and it is arranged on the polarity discriminating circuit of enclosure interior, signal controller, battery power supply monitoring circuit and communication interface circuit, described binding post is electrically connected with signal controller by polarity discriminating circuit, described signal controller respectively with battery power supply monitoring circuit, communication interface circuit and LCD display electrical connection, described communication interface circuit is connected with printer by communication switching mouth.
nullPreferably，Described polarity discriminating circuit includes signal comparison amplifier U1A、Resistance R1、Resistance R2、Resistance R3、Resistance R4、Resistance R5、Resistance R6、Resistance R7、Resistance R8、Audion Q1、Electric capacity C1、Electric capacity C2 and light emitting diode D1，One end of described resistance R1、Resistance R3 one end、The tap with the secondary side of voltage transformer respectively of electric capacity C1 one end is connected，The other end of described electric capacity C1、One end of resistance R2、Another tap with the secondary side of voltage transformer respectively of one end of resistance R4 is connected，The other end of described resistance R1 and the other end of resistance R2 are all connected to ground，The other end of described resistance R3 is connected with the positive pole of signal comparison amplifier U1A，The other end of described resistance R4 is connected with the negative pole of signal comparison amplifier U1A，One end of described resistance R5、One end of resistance R6、The positive pole of electric capacity C2 all outfans with signal comparison amplifier U1A are connected，The other end of described resistance R5 is connected with the base stage of audion Q1，The colelctor electrode of described audion Q1 respectively with one end of resistance R7、The anode of light emitting diode D1、Signal controller connects，The negative electrode of described light emitting diode D1 is connected with one end of resistance R8，The negative pole of described electric capacity C2、The other end of resistance R7、The other end of resistance R8 is all connected to ground，The emitter stage of described audion Q1 is connected with+12V supply voltage，Described resistance R6 and+5V supply voltage is connected.
nullPreferably，Described battery power supply monitoring circuit includes audion Q2、Resistance R9、Resistance R10、Resistance R11、Resistance R12、Resistance R13 and resistance R14，One end of described resistance R10 is connected with signal controller after being connected with one end of resistance R12 again，One end of described resistance R11、The base stage of audion Q2 is connected with signal controller the most respectively，The other end of described resistance R10 is connected by the base stage of resistance R13 and audion Q2，One end of described resistance R9 also base stage with audion Q2 is connected，The other end of resistance R9、The other end of resistance R12 is all connected to ground，The other end of described resistance R11 respectively with the colelctor electrode of audion Q2、The positive pole of battery connects，The emitter stage of described audion Q2 is connected to ground after being connected with the negative pole of battery by resistance R14 again.
Preferably, described signal controller is AT89C2051 monolithic controller.
Preferably, described signal comparison amplifier U1A uses LM339 tetra-to export integrated operational amplifier chip.
Preferably, described communication switching mouth is 25 pin RS-232 serial ports, 9 pin RS-232 serial ports or USB interface, and described communication interface circuit is RS-232 telecommunication circuit or usb communication circuit.9 pin RS-232 serial ports are used in this utility model.
Preferably, institute's binding post at least includes a two wires input channel, four line input channels and six line input channels.
In sum, this utility model is owing to have employed such scheme, this utility model also have the advantages that this utility model be integrated with all parts in one, simple in construction, easy to operate, can be quick, field connection is simple, effectively and rapidly determines current transformer polarity, reduces test period, improving overhaul efficiency, minimizing equipment stops the labour time.And, deposit easily, and carry and use the lightest.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model example or technical scheme of the prior art, introduce accompanying drawing required in embodiment or description of the prior art is done simply below, apparently, accompanying drawing in describing below is only examples more of the present utility model, to those skilled in the art, on the premise of not paying creativeness, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structure chart of this utility model a kind of current transformer polarity high speed tester.
Fig. 2 is the circuit control principle figure of this utility model a kind of current transformer polarity high speed tester.
Fig. 3 is the polarity discriminating circuit theory diagrams of this utility model a kind of current transformer polarity high speed tester.
Fig. 4 is the battery power supply monitoring circuit theory diagrams of this utility model a kind of current transformer polarity high speed tester.
In attached Fig. 1 and 2,1-binding post, 2-polarity discriminating circuit, 3-signal controller, 4-battery power supply monitoring circuit, 5-LCD display, 6-communication interface circuit, 7-communication switching mouth, 8-printer, 9-power interface, 10-on and off switch, 100-housing.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model example, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
nullAs depicted in figs. 1 and 2，A kind of current transformer polarity high speed tester，Including housing 100，And right two ends, housing 100 surface are provided with binding post 1，Surface of shell left end is provided with LCD display 5 and printer 8，It is provided with power interface 9 and on and off switch 10 between lower section and the bottom side edge edge on housing 100 surface of binding post 1，And it is arranged on the polarity discriminating circuit 2 within housing 100、Signal controller 3、Battery power supply monitoring circuit 4 and communication interface circuit 6，Described binding post 1 is electrically connected with signal controller 3 by polarity discriminating circuit 2，Described signal controller 3 respectively with battery power supply monitoring circuit 4、Communication interface circuit 6 and LCD display 5 are electrically connected，Described communication interface circuit 6 is connected with printer 8 by communication switching mouth 7，Described signal controller 3 is AT89C2051 monolithic controller.Described communication switching mouth 7 is 25 pin RS-232 serial ports, 9 pin RS-232 serial ports or USB interface, and described communication interface circuit 6 is RS-232 telecommunication circuit or usb communication circuit.Tested result can be easily and timely printed by arranging printer 7.In this utility model, institute's binding post 1 at least includes two wires input channel a, four line input channels b and six line input channels g.
nullAs most preferred embodiment of the present utility model，As shown in Figure 3，Described polarity discriminating circuit includes signal comparison amplifier U1A、Resistance R1、Resistance R2、Resistance R3、Resistance R4、Resistance R5、Resistance R6、Resistance R7、Resistance R8、Audion Q1、Electric capacity C1、Electric capacity C2 and light emitting diode D1，One end of described resistance R1、Resistance R3 one end、The tap with the secondary side of voltage transformer respectively of electric capacity C1 one end is connected，The other end of described electric capacity C1、One end of resistance R2、Another tap with the secondary side of voltage transformer respectively of one end of resistance R4 is connected，The other end of described resistance R1 and the other end of resistance R2 are all connected to ground，The other end of described resistance R3 is connected with the positive pole of signal comparison amplifier U1A，The other end of described resistance R4 is connected with the negative pole of signal comparison amplifier U1A，One end of described resistance R5、One end of resistance R6、The positive pole of electric capacity C2 all outfans with signal comparison amplifier U1A are connected，The other end of described resistance R5 is connected with the base stage of audion Q1，The colelctor electrode of described audion Q1 respectively with one end of resistance R7、The anode of light emitting diode D1、Signal controller 3 connects，The negative electrode of described light emitting diode D1 is connected with one end of resistance R8，The negative pole of described electric capacity C2、The other end of resistance R7、The other end of resistance R8 is all connected to ground，The emitter stage of described audion Q1 is connected with+12V supply voltage，Described resistance R6 and+5V supply voltage is connected.In this utility model, described comparison amplifier uses LM339 tetra-to export integrated operational amplifier chip.
nullIn this utility model，The operation principle of described polarity discriminating circuit is as follows: the primary side of Current Transmit is two tap binding posts，The secondary side of Current Transmit is several tap binding posts，In this utility model，As shown in Figure 2，The P1 terminal of Current Transmit primary side and P2 terminal，S1 terminal、S2 terminal、S3 terminal、S4 terminal、S5 terminal and six tap binding posts that S6 terminal is Current Transmit secondary side，During test，Voltage signal Us is applied from the primary side of Current Transmit，At the same time，The S1 terminal of Current Transmit secondary side and S6 terminal are respectively connected to two wires input channel a on housing 100 surface,The impulse sampling signal of Current Transmit secondary side instantaneous sensing output is respectively fed to the electrode input end (in+) of signal comparison amplifier U1A and negative input (in-) compares and enlarges and regulation processes，From the secondary side S1 of Current Transmit,The instantaneous inductive impulse sampled signal of S2，Compare in a comparator，Because during polarity difference，The pulse of sensing is positive and negative is different，When polarity is identical，Relatively it is output as low level，Audion Q1 is switched on，Light emitting diode D1 is shinny，Represent that polarity is identical，Audion Q1 output high level is to the P3.5 pin of AT89C2051 controller，Now AT89C2051 controller exports corresponding signal to LCD display 5，Then it is shown as " just " in LCD display 5 and represents that polarity is identical.If during polarity difference, relatively it is output as high level, audion Q1 cut-off is not turned on, light emitting diode D1 is the most shinny, then polarity differs, the P3.5 pin of audion Q1 output low level to AT89C2051 controller, and now AT89C2051 controller exports corresponding signal to LCD display 5, it is shown as " bearing " in LCD display 5 and represents that polarity differs, judged the polarity of Current Transmit by above test.When testing four tap terminal of Current Transmit or six tap terminal simultaneously, then tap is respectively connected to four line input channels b or six line input channels g on housing 100 surface, the model that signal comparison amplifier U1A in polarity discriminating circuit now is used is that LM339 tetra-exports integrated operational amplifier chip, test using four groups to compare output simultaneously, and improve the efficiency of test.
nullAs most preferred embodiment of the present utility model，As shown in Figure 4，Described battery power supply monitoring circuit 4 includes audion Q2、Resistance R9、Resistance R10、Resistance R11、Resistance R12、Resistance R13 and resistance R14，One end of described resistance R10 is connected with signal controller 3 after being connected with one end of resistance R12 again，One end of described resistance R11、The base stage of audion Q2 is connected with signal controller 3 the most respectively，The other end of described resistance R10 is connected by the base stage of resistance R13 and audion Q2，One end of described resistance R9 also base stage with audion Q2 is connected，The other end of resistance R9、The other end of resistance R12 is all connected to ground，The other end of described resistance R11 respectively with the colelctor electrode of audion Q2、The positive pole of battery BT1 connects，The emitter stage of described audion Q2 is connected to ground after being connected by the negative pole of resistance R14 and battery BT1 again，Described battery BT1 uses 12V，Simultaneously by after the positive pole of battery BT1 arranges on and off switch KM again colelctor electrode with resistance R11 and audion Q2 be attached，To control the duty of battery BT1.+ 12 voltage VCC are provided by drawing 12V power supply V_OUT terminal on and off switch KM outfan, after voltage stabilizing converts, obtain+5V supply voltage VCC again provide supply voltage for other circuit, when not using battery BT1 to power, power interface 9 can be accessed by external power source and provide working power for current transformer polarity high speed tester.
nullIn this utility model，As shown in Figure 4，By audion Q2、Resistance R9、Resistance R13 and resistance R14 forms battery constant-current discharge circuit，Its discharge current is by resistance R9、The ratio of resistance R13 and the resistance of resistance R14 determine，By resistance R10、Resistance R12 and resistance R11 is connected, with P1.0 pin and the P1.1 pin of AT89C2051 controller, the battery voltage detection circuit formed respectively，Owing to P1.0 pin and the P1.1 pin of AT89C2051 controller input and inverting input respectively as the homophase of precision analog comparator in sheet，Cell voltage is through resistance R10、After resistance R12 dividing potential drop, the reference voltage as P1.1 pin inverting input inputs，Cell voltage inputs P1.0 pin by resistance R11，The final voltage arranging battery BT1 is 2V,When in the continuous discharge process of battery BT1，The voltage of P1.0 pin compares once with the voltage of P1.1 pin for each 3-5 minute，Shown the capacity of present battery BT1 by LCD display 5 simultaneously，Along with battery BT1 constantly discharges，When being less than the reference voltage 2V of P1.1 pin when the cell voltage of P1.0 pin starts，The P3.7 pin output low level of AT89C2051 controller，Audion Q2 cut-off is made to stop battery discharge，Put in order to avoid causing battery to cross，Now can carry out changing battery or being charged operation to battery.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in the protection domain of utility model.
Claims (7)
1. a current transformer polarity high speed tester, it is characterized in that: include housing, and the right two ends of surface of shell are provided with binding post, surface of shell left end is provided with LCD display and printer, it is provided with power interface and on and off switch between lower section and the bottom side edge edge of surface of shell of binding post, and it is arranged on the polarity discriminating circuit of enclosure interior, signal controller, battery power supply monitoring circuit and communication interface circuit, described binding post is electrically connected with signal controller by polarity discriminating circuit, described signal controller respectively with battery power supply monitoring circuit, communication interface circuit and LCD display electrical connection, described communication interface circuit is connected with printer by communication switching mouth.
nullA kind of current transformer polarity high speed tester the most according to claim 1，It is characterized in that: described polarity discriminating circuit includes signal comparison amplifier U1A、Resistance R1、Resistance R2、Resistance R3、Resistance R4、Resistance R5、Resistance R6、Resistance R7、Resistance R8、Audion Q1、Electric capacity C1、Electric capacity C2 and light emitting diode D1，One end of described resistance R1、Resistance R3 one end、The tap with the secondary side of voltage transformer respectively of electric capacity C1 one end is connected，The other end of described electric capacity C1、One end of resistance R2、Another tap with the secondary side of voltage transformer respectively of one end of resistance R4 is connected，The other end of described resistance R1 and the other end of resistance R2 are all connected to ground，The other end of described resistance R3 is connected with the positive pole of signal comparison amplifier U1A，The other end of described resistance R4 is connected with the negative pole of signal comparison amplifier U1A，One end of described resistance R5、One end of resistance R6、The positive pole of electric capacity C2 all outfans with signal comparison amplifier U1A are connected，The other end of described resistance R5 is connected with the base stage of audion Q1，The colelctor electrode of described audion Q1 respectively with one end of resistance R7、The anode of light emitting diode D1、Signal controller connects，The negative electrode of described light emitting diode D1 is connected with one end of resistance R8，The negative pole of described electric capacity C2、The other end of resistance R7、The other end of resistance R8 is all connected to ground，The emitter stage of described audion Q1 is connected with+12V supply voltage，Described resistance R6 and+5V supply voltage is connected.
nullA kind of current transformer polarity high speed tester the most according to claim 1，It is characterized in that: described battery power supply monitoring circuit includes audion Q2、Resistance R9、Resistance R10、Resistance R11、Resistance R12、Resistance R13 and resistance R14，One end of described resistance R10 is connected with signal controller after being connected with one end of resistance R12 again，One end of described resistance R11、The base stage of audion Q2 is connected with signal controller the most respectively，The other end of described resistance R10 is connected by the base stage of resistance R13 and audion Q2，One end of described resistance R9 also base stage with audion Q2 is connected，The other end of resistance R9、The other end of resistance R12 is all connected to ground，The other end of described resistance R11 respectively with the colelctor electrode of audion Q2、The positive pole of battery connects，The emitter stage of described audion Q2 is connected to ground after being connected with the negative pole of battery by resistance R14 again.
4. according to a kind of current transformer polarity high speed tester described in claim 1 or 2 or 3, it is characterised in that: described signal controller is AT89C2051 monolithic controller.
A kind of current transformer polarity high speed tester the most according to claim 2, it is characterised in that: described signal comparison amplifier U1A uses LM339 tetra-to export integrated operational amplifier chip.
A kind of current transformer polarity high speed tester the most according to claim 1, it is characterized in that: described communication switching mouth is 25 pin RS-232 serial ports, 9 pin RS-232 serial ports or USB interface, and described communication interface circuit is RS-232 telecommunication circuit or usb communication circuit.
A kind of current transformer polarity high speed tester the most according to claim 1, it is characterised in that: institute's binding post at least includes a two wires input channel, four line input channels and six line input channels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620143544.8U CN205427102U (en) | 2016-02-26 | 2016-02-26 | Current transformer polarity high speed tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620143544.8U CN205427102U (en) | 2016-02-26 | 2016-02-26 | Current transformer polarity high speed tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205427102U true CN205427102U (en) | 2016-08-03 |
Family
ID=56545126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620143544.8U Expired - Fee Related CN205427102U (en) | 2016-02-26 | 2016-02-26 | Current transformer polarity high speed tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205427102U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741551A (en) * | 2017-10-11 | 2018-02-27 | 国网宁夏电力公司吴忠供电公司 | 110kV polarity testing device of current transformer |
| CN108333467A (en) * | 2018-02-09 | 2018-07-27 | 兰州工业学院 | A kind of SCM Based substation's mutual inductor polarity intelligent detection device |
| CN110261791A (en) * | 2019-07-22 | 2019-09-20 | 天能电池集团股份有限公司 | A kind of battery group cycle life fast appraisement method |
| CN112147549A (en) * | 2020-09-28 | 2020-12-29 | 广东电网有限责任公司肇庆供电局 | Transformer substation current transformer polarity testing device based on single chip microcomputer |
| CN112666502A (en) * | 2020-12-03 | 2021-04-16 | 广东电网有限责任公司中山供电局 | Hand-held type CT polarity tester device |
| CN113933558A (en) * | 2021-10-13 | 2022-01-14 | 江苏斯菲尔电气股份有限公司 | Instrument capable of automatically identifying specification of current transformer and setting transformation ratio |
-
2016
- 2016-02-26 CN CN201620143544.8U patent/CN205427102U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741551A (en) * | 2017-10-11 | 2018-02-27 | 国网宁夏电力公司吴忠供电公司 | 110kV polarity testing device of current transformer |
| CN108333467A (en) * | 2018-02-09 | 2018-07-27 | 兰州工业学院 | A kind of SCM Based substation's mutual inductor polarity intelligent detection device |
| CN110261791A (en) * | 2019-07-22 | 2019-09-20 | 天能电池集团股份有限公司 | A kind of battery group cycle life fast appraisement method |
| CN112147549A (en) * | 2020-09-28 | 2020-12-29 | 广东电网有限责任公司肇庆供电局 | Transformer substation current transformer polarity testing device based on single chip microcomputer |
| CN112666502A (en) * | 2020-12-03 | 2021-04-16 | 广东电网有限责任公司中山供电局 | Hand-held type CT polarity tester device |
| CN113933558A (en) * | 2021-10-13 | 2022-01-14 | 江苏斯菲尔电气股份有限公司 | Instrument capable of automatically identifying specification of current transformer and setting transformation ratio |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205427102U (en) | Current transformer polarity high speed tester | |
| CN103454554B (en) | Polarity tester for current transformer | |
| CN108919002A (en) | A kind of test macro of direct-current charging post | |
| CN105896711A (en) | Online capacity checking device for storage batteries | |
| CN202975168U (en) | Transformer rapid DC (Direct-current) resistance demagnetization testing instrument | |
| CN207291719U (en) | Vehicular charger control system | |
| CN107688133A (en) | Control box has access to electricity short-circuit detecting circuit on charging gun cable | |
| CN208384025U (en) | A kind of test macro of direct-current charging post | |
| CN205791741U (en) | Accumulator is at line core capacitance device | |
| CN206559066U (en) | A kind of intelligent power-down circuit of charger | |
| CN202815146U (en) | Polarity detector for mutual inductor | |
| CN204832412U (en) | Novel combined instrument transformer polarity test appearance | |
| CN202649459U (en) | Temporary load device for electric energy metering device field calibration | |
| CN205451507U (en) | Semaphore | |
| CN204789785U (en) | Portable intelligent substation relay protection testing arrangement | |
| CN209709702U (en) | A kind of charging control circuit, electronic equipment | |
| CN106160122A (en) | A kind of automatic power-off circuit of electromobile battery charger | |
| CN204118807U (en) | A kind of battery management circuit of electric bicycle | |
| CN203562840U (en) | Power distribution equipment on-line monitoring early-warning terminal | |
| CN208672782U (en) | A kind of battery current measuring device | |
| CN103308744B (en) | High-tension cable gauze screen ground wire leakage current detector | |
| CN213302501U (en) | Polarity transformation ratio testing device for current transformer | |
| CN202797906U (en) | Battery overcharge protection system | |
| CN207067384U (en) | A kind of detection device of electric energy meter | |
| CN206211566U (en) | A kind of charger detects protection circuit and charger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20180226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |