CN206498577U - A kind of LED/light source drive control circuit inputted for electric ballast - Google Patents
A kind of LED/light source drive control circuit inputted for electric ballast Download PDFInfo
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- CN206498577U CN206498577U CN201720010126.6U CN201720010126U CN206498577U CN 206498577 U CN206498577 U CN 206498577U CN 201720010126 U CN201720010126 U CN 201720010126U CN 206498577 U CN206498577 U CN 206498577U
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- 238000004519 manufacturing process Methods 0.000 abstract description 3
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Abstract
The utility model provides a kind of LED/light source drive control circuit inputted for electric ballast, simulation Filament of fluorescent lamp unit is set to cause electric ballast is internally formed loop and sets electric ballast detection unit and rectification filtering unit to form the performance loop of LED load and then further control LED load to be constantly in pass-through state in the output end of electric ballast, make and isolate of relay simultaneously, meet the leakage current in each Valuation Standard.Compared to the LED/light source drive dynamic control device only with Buck, Buck boost topologys, manufacturer only needs to just to realize using conventional component, compared to the LED/light source drive dynamic control device for being capable of compatible civil power and electric ballast input, the conventional component of use is less, the engineering of control input can be applied to only make of electric ballast, production cost is substantially reduced, the market competitiveness is enhanced, economic benefit is improved.
Description
Technical field
The utility model is related to LED/light source actuation techniques field, and in particular to a kind of LED inputted for electric ballast
Light source drive control circuit.
Background technology
Electric ballast (Electronic ballast), is one kind of electric ballast, refers to drive using electronic technology
Dynamic electric light source, is allowed to the electronic equipment of illumination needed for producing.Corresponding is inductance type electric ballast.Modern fluorescent lamp is got over
Carry out more use electric ballasts, it is light compact, it might even be possible to integrate electric ballast and fluorescent tube etc., meanwhile,
Electric ballast can generally have starter function concurrently, so can save single starter again.
LED in the market drives LED/light source using electric ballast or inductance electronic ballast, and LED/light source drives
Dynamic control technology is all, using Buck, Buck boost topologys, to be connected at that moment in LED, supply voltage stress directly adds
On switching tube and surge absorbing circuit, component is easily damaged.Manufacturer is in order to increase LED availability, it is necessary to using high
Pressure-resistant component, this will cause production cost to increase, and market competitiveness reduction, economic benefit declines.Also have at present《It is a kind of
The LED/light source drive dynamic control device of compatible civil power and electric ballast input》Apply for a patent, though supply voltage stress can be solved
Problem, but because wanting compatible civil power, circuit is just more complicated, and also cumbersome, the electronic component of use in terms of overlap joint
More, overall circuit cost is higher, in some cases, under a large amount of engineer applieds for only connecing civil power or electric ballast, uses
The installation cost is higher.
The content of the invention
The utility model provides a kind of LED/light source drive control circuit inputted for electric ballast, solves in electricity
The output end of sub-ballast sets simulation heater chain to cause electric ballast to be internally formed loop and set electric ballast to examine
Unit is surveyed with rectification filtering unit to control LED load to be constantly in the technical problem of pass-through state.
In order to solve the above technical problems, the utility model provides a kind of LED/light source drive inputted for electric ballast
Dynamic control circuit, provided with rectification filtering unit, LED load and electric ballast detection unit, the rectification filtering unit and electricity
Sub-ballast detection unit connection electric ballast, the electric ballast is exported provided with first voltage output end, second voltage
End, tertiary voltage output end, the 4th voltage output end and the live wire input and zero line input that access civil power, the LED light
Source drive control circuit is additionally provided with the first simulation Filament of fluorescent lamp unit and the second simulation Filament of fluorescent lamp unit, first mould
Intend Filament of fluorescent lamp unit and the electric ballast is connected by the first simulation filament input and the second simulation filament input
First voltage output end and second voltage output end, it is described second simulation Filament of fluorescent lamp unit by the 3rd simulation filament it is defeated
Enter the 4th voltage output end of the end connection electric ballast；
First simulation filament output end of the first simulation Filament of fluorescent lamp unit connects the rectification filtering unit
Rectifying and wave-filtering input, the second simulation filament output end of the second simulation Filament of fluorescent lamp unit connects the electronic ballast
First detection current input terminal of device detection unit, the second detection current input terminal connection of the electric ballast detection unit
The tertiary voltage output end of the electric ballast, the detection current output terminal connection of the electric ballast detection unit is described
The ballast rectifying and wave-filtering control signal of rectification filtering unit；
Forward direction is in series with the LED load, structure between the cathode output end and cathode output end of the rectification filtering unit
Into loop.
Specifically, the second simulation Filament of fluorescent lamp unit includes the first electric capacity and first resistor；First electric capacity
The 4th voltage output end and the first of the electric ballast detection unit of the electric ballast is connected in parallel on first resistor
Between detection current input terminal.
Specifically, the electric ballast detection unit is provided with boosting sub-circuit and ballast rectifying and wave-filtering control sub-circuit
Isolate sub-circuit with relay；The the first boosting input namely the electric ballast detection unit of the boosting sub-circuit
Second simulation filament output end of first detection current input terminal connection the second simulation Filament of fluorescent lamp unit, the boosting
Second boosting input of sub-circuit is the second detection current input terminal of the electric ballast detection unit；
3rd boosting input of the boosting sub-circuit connects the first of the ballast rectifying and wave-filtering control sub-circuit
Rectifying and wave-filtering control signal, the first boosting output end of the boosting sub-circuit and the second boosting output end connect the ballast
Device rectifying and wave-filtering controls the second rectifying and wave-filtering control signal and the 3rd rectifying and wave-filtering control signal of sub-circuit, the ballast
The the first rectifying and wave-filtering control output end and the second rectifying and wave-filtering control output end of device rectifying and wave-filtering control sub-circuit are connected respectively
The source electrode and grid of the metal-oxide-semiconductor of the relay isolation sub-circuit, the drain electrode of the metal-oxide-semiconductor connect the relay separaant electricity
First control end of the relay on road, the second control end of the relay of the relay isolation sub-circuit connects the ballast
Rectifying and wave-filtering controls the 3rd rectifying and wave-filtering control output end of sub-circuit, the first controlled terminal and the second controlled terminal of the relay
The 4th rectifying and wave-filtering control output end of the ballast rectifying and wave-filtering control sub-circuit and the rectifying and wave-filtering list are connected respectively
The ballast rectifying and wave-filtering control signal of member.
Preferably, the relay is KA relays.
Alternatively, the relay mechanical switch or electric capacity are substituted, and are used as electrical isolation device.
Specifically, the first simulation Filament of fluorescent lamp unit includes the second electric capacity and second resistance；Second electric capacity
It is connected in parallel on second resistance between the first voltage output end of the electric ballast and second voltage output end.
Further, the rectification filtering unit is provided with rectifier bridge sub-circuit and the 3rd electric capacity；The rectifier bridge sub-circuit
Provided with the first diode, the second diode, the 3rd diode and the 4th diode, first diode and the 3rd diode
Positive terminal is respectively the rectifying and wave-filtering input and ballast rectifying and wave-filtering control signal of the rectification filtering unit, and described
The negative pole end of one diode and the 3rd diode connects the positive terminal of the 3rd electric capacity, the negative pole end connection of the 3rd electric capacity
The positive terminal of second diode and the 4th diode, the negative pole end of second diode and the 4th diode is connected respectively
The positive terminal of first diode and the 3rd diode；The positive terminal of 3rd electric capacity is that the rectification is filtered with negative pole end
Ripple cathode output end and cathode output end.
Specifically, the LED load includes at least one LED.
Implement a kind of LED/light source drive control circuit inputted for electric ballast that the utility model is provided, in electricity
The output end of sub-ballast sets simulation Filament of fluorescent lamp unit to cause electric ballast to be internally formed loop and set electronics town
Device detection unit is flowed with rectification filtering unit to form the performance loop of LED load and then further control LED load always to locate
In pass-through state, isolate while being made of relay, meet the leakage current in each Valuation Standard.Compared to only with Buck, Buck
The LED/light source drive dynamic control device of boost topologys, manufacturer only needs to just to realize using conventional component, compared to can be simultaneous
Hold the LED/light source drive dynamic control device of civil power and electric ballast input, the conventional component of use is less, can be applied to only
The engineering of control input is made of electric ballast, production cost is substantially reduced, the market competitiveness is enhanced, economy is improved
Benefit.
Brief description of the drawings
Fig. 1 is a kind of LED/light source drive control electricity inputted for electric ballast that the utility model embodiment is provided
The circuit module figure on road；
Fig. 2 is a kind of LED/light source drive control electricity inputted for electric ballast that the utility model embodiment is provided
The physical circuit schematic diagram on road；
Fig. 3 is a kind of LED/light source drive control electricity inputted for electric ballast that the utility model embodiment is provided
The electric ballast input connection figure on road.
Embodiment
Embodiment of the present utility model is specifically illustrated below in conjunction with the accompanying drawings, and accompanying drawing is only for reference and explanation is used, not structure
The limitation of paired the utility model scope of patent protection.
With reference to Fig. 1, a kind of LED/light source drive control inputted for electric ballast that the utility model embodiment is provided
The circuit module figure of circuit.In the present embodiment, described a kind of LED/light source drive control electricity inputted for electric ballast
Road, provided with rectification filtering unit 10, LED load 20 and electric ballast detection unit 30, the rectification filtering unit 10 and electricity
The connection of sub-ballast detection unit 30 electric ballast EB, the electric ballast EB provided with first voltage output end EB_PIN1,
Second voltage output end EB_PIN2, tertiary voltage output end EB_PIN3, the 4th voltage output end EB_PIN4 and access civil power
Live wire input EB_AC L and zero line input EB_AC N, described LED/light source drive control circuit is additionally provided with the first simulation
The simulation of Filament of fluorescent lamp unit 40 and second Filament of fluorescent lamp unit 50, the first simulation Filament of fluorescent lamp unit 40 passes through the
One simulation filament input 401 and the second simulation filament input 402 connect the first voltage output of the electric ballast EB
EB_PIN1 and second voltage output end EB_PIN2 are held, the second simulation Filament of fluorescent lamp unit 50 passes through the 3rd simulation filament
Input 501 connects the 4th voltage output end EB_PIN4 of the electric ballast EB；
First simulation filament output end 403 of the first simulation Filament of fluorescent lamp unit 40 connects the rectifying and wave-filtering list
The rectifying and wave-filtering input 101 of member 10, the second simulation filament output end 502 of the second simulation Filament of fluorescent lamp unit 50 connects
The first detection current input terminal 301 of the electric ballast detection unit 30 is connect, the electric ballast detection unit 30
Second detection current input terminal 302 connects the tertiary voltage output end EB_PIN3 of the electric ballast EB, the electronic ballast
The detection current output terminal 303 of device detection unit 30 connects the ballast rectifying and wave-filtering control input of the rectification filtering unit 10
End 102；
Forward direction is in series with the LED between the cathode output end 103 and cathode output end 104 of the rectification filtering unit 10
Load 20, constitutes loop.
Fig. 2 is a kind of LED/light source drive control electricity inputted for electric ballast that the utility model embodiment is provided
The physical circuit schematic diagram on road.In the present embodiment, the second simulation Filament of fluorescent lamp unit 50 include the first electric capacity C1 and
First resistor R1；The first electric capacity C1 and first resistor R1 are connected in parallel on the 4th voltage output end of the electric ballast EB
Between EB_PIN4 and the first detection current input terminal 301 of the electric ballast EB detection units 30.
The electric ballast EB detection units 30 are provided with boosting sub-circuit 31 and the control of electric ballast EB rectifying and wave-filterings
Sub-circuit 32 and relay isolation sub-circuit 33；The boosting sub-circuit 31 is provided with high frequency booster T1, the high frequency booster
T1 the first boosting input T1_PIN1 namely the first detection current input terminal of the electric ballast EB detection units 30
Second simulation filament output end 502 of 301 connections the second simulation Filament of fluorescent lamp unit 50, the high frequency booster T1's
Second boosting input T1_PIN4 is the second detection current input terminal 302 of the electric ballast EB detection units 30；
The 3rd boosting input T1_PIN2 connections ballast rectifying and wave-filtering control son electricity of the boosting sub-circuit 31
The first rectifying and wave-filtering control signal 321 on road 32, the first boosting output end T1_PIN3 and second of the boosting sub-circuit 31
The output end T1_PIN7 connections ballast rectifying and wave-filtering that boosts controls the second rectifying and wave-filtering control signal of sub-circuit 32
322 and the 3rd rectifying and wave-filtering control signal 323, the ballast rectifying and wave-filtering controls the first rectifying and wave-filtering control of sub-circuit 32
The rectifying and wave-filtering control output end 325 of output end 324 and second processed connects the metal-oxide-semiconductor Q1 that the relay isolates sub-circuit 33 respectively
Source S and grid G, the drain D of the metal-oxide-semiconductor Q1 connects the relay KB of the relay isolation sub-circuit 33 the first control
End KB_PIN1 processed, the relay KB of the relay isolation sub-circuit 33 the second control end KB_PIN1 connections ballast
Rectifying and wave-filtering controls the 3rd rectifying and wave-filtering control output end 326 of sub-circuit, the first controlled terminal KB_PIN3 of the relay KB
The 4th rectifying and wave-filtering control for connecting the ballast rectifying and wave-filtering control sub-circuit 32 respectively with the second controlled terminal KB_PIN4 is defeated
Go out the ballast rectifying and wave-filtering control signal 102 of end 327 and the rectification filtering unit 10.
The relay KB is KA relays.
The relay KB mechanical switch or electric capacity are substituted, and are used as electrical isolation device.
The first simulation Filament of fluorescent lamp unit 40 includes the second electric capacity C2 and second resistance R2；The second electric capacity C2
The first voltage output end EB_PIN1 and second voltage output end EB_ of the electric ballast EB are connected in parallel on second resistance R2
Between PIN2.
The rectification filtering unit 10 is provided with the electric capacity C3 of rectifier bridge sub-circuit 11 and the 3rd；The rectifier bridge sub-circuit 11 is set
There are the first diode D1, the second diode D2, the 3rd diode D3 and the 4th diode D4, the first diode D1 and the 3rd
Diode D3 positive terminal is respectively rectifying and wave-filtering input 101 and the ballast rectifying and wave-filtering control of the rectification filtering unit 10
Input 102 processed, the negative pole end of the first diode D1 and the 3rd diode D3 connects the positive terminal of the 3rd electric capacity C3,
The negative pole end of the 3rd electric capacity C3 connects the positive terminal of the second diode D2 and the 4th diode D4, the two or two pole
Pipe D2 and the 4th diode D4 negative pole end connect the first diode D1 and the 3rd diode D3 positive terminal respectively；It is described
3rd electric capacity C3 positive terminal and rectifying and wave-filtering cathode output end 103 and negative pole that negative pole end is the rectification filtering unit 10
Output end 104.
The LED load 20 includes at least one LED.
In the present embodiment, the electronics of above-mentioned a kind of LED/light source drive control circuit inputted for electric ballast
Ballast inputs connection figure, refer to Fig. 3.Corresponding current signal is exported to described first after electric ballast EB access civil powers
Filament of fluorescent lamp unit 40 and the described second simulation Filament of fluorescent lamp unit 50 are simulated, because the first simulation fluorescence described in Fig. 2
Lamp filament unit 40 is exchanged with the resistance of the second electric capacity C2 and the first electric capacity C1 in the described second simulation Filament of fluorescent lamp unit 50
Effect, but return current arrives the electric ballast EB, and then to arrive first the first simulation glimmering for formation electric ballast EB output currents
Light lamp filament unit 40 flow back into described again with the simulation Filament of fluorescent lamp of LED load 20, second unit 50 again by rectifying and wave-filtering
Electric ballast EB constitutes complete loops.
In the present embodiment, the ballast rectifying and wave-filtering control sub-circuit 32 detects electric ballast EB high-frequency signals
When control metal-oxide-semiconductor Q1 and LED load 20 be constantly in pass-through state so as to protection circuit, while being made of the KA types relay KB
Isolation, meets the leakage current in each Valuation Standard.
In the present embodiment, the electricity of the first simulation filament output end 403 of the first simulation Filament of fluorescent lamp unit 40
Flow through over commutation filter unit 10 and carry out rectifying and wave-filtering, the second simulation lamp with reference to the described second simulation Filament of fluorescent lamp unit 50
The voltage of silk output end 502 controls sub-circuit by the ballast rectifying and wave-filtering again after the boosting sub-circuit 31 boosts
Control and relay isolate the electric current exported after the relay KB adhesives of sub-circuit 33 after 32 rectifying and wave-filterings, are filtered by the rectification
3rd electric capacity C3 (electrochemical capacitor) of ripple unit 10 effect, reaches the positive terminal and negative pole end of the LED load 20, constitutes
LED operation loop.Voltage after rectification is directly by the clamper of LED load 20, by electron rectifier EB is that constant-current source flows through institute admittedly
It is also constant electric current to state LED load 20, it is ensured that the normal work of LED load 20.
This framework is applied to the load control that Rapid Start, Programmed Rapid Start electronic ballasts are exported
Mode, when live wire input EB_AC L and zero line input EB_AC N accesses are quick startup (Rapid Start), programmable
During the electric ballasts such as quick startup (Programmed Rapid Start), it is directly compatible with that circuit need not be changed.
Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and moistened
Decorations are also considered as protection domain of the present utility model.
Claims (8)
1. it is a kind of for electric ballast input LED/light source drive control circuit, provided with rectification filtering unit, LED load and
Electric ballast detection unit, rectification filtering unit and the electric ballast detection unit connects electric ballast, the electricity
Sub-ballast is provided with first voltage output end, second voltage output end, tertiary voltage output end, the 4th voltage output end and access
The live wire input and zero line input of civil power, it is characterised in that：It is additionally provided with the first simulation Filament of fluorescent lamp unit and the second mould
Intend Filament of fluorescent lamp unit, the first simulation Filament of fluorescent lamp unit passes through the first simulation filament input and the second simulation lamp
Silk input connects the first voltage output end and second voltage output end of the electric ballast, the second simulation fluorescent lamp
Filament unit connects the 4th voltage output end of the electric ballast by the 3rd simulation filament input；
First simulation filament output end of the first simulation Filament of fluorescent lamp unit connects the rectification of the rectification filtering unit
Filter input, the second simulation filament output end of the second simulation Filament of fluorescent lamp unit connects the electric ballast inspection
The first detection current input terminal of unit is surveyed, the second detection current input terminal connection of the electric ballast detection unit is described
The tertiary voltage output end of electric ballast, the detection current output terminal of the electric ballast detection unit connects the rectification
The ballast rectifying and wave-filtering control signal of filter unit；
Forward direction is in series with the LED load between the cathode output end and cathode output end of the rectification filtering unit, constitutes back
Road.
2. a kind of LED/light source drive control circuit inputted for electric ballast according to claim 1, its feature exists
In：The second simulation Filament of fluorescent lamp unit includes the first electric capacity and first resistor；First electric capacity and first resistor are simultaneously
It is associated in the 4th voltage output end of the electric ballast and the first detection electric current input of the electric ballast detection unit
Between end.
3. a kind of LED/light source drive control circuit inputted for electric ballast according to claim 1, its feature exists
In：The electric ballast detection unit is provided with boosting sub-circuit and ballast rectifying and wave-filtering control sub-circuit and relay isolation
Sub-circuit；First boosting input of the boosting sub-circuit namely the first detection electric current of the electric ballast detection unit
Second simulation filament output end of input connection the second simulation Filament of fluorescent lamp unit, the second of the boosting sub-circuit
Boosting input is the second detection current input terminal of the electric ballast detection unit；
3rd boosting input of the boosting sub-circuit connects the first rectification that the ballast rectifying and wave-filtering controls sub-circuit
Control signal is filtered, it is whole that the first boosting output end of the boosting sub-circuit and the second boosting output end connect the ballast
The the second rectifying and wave-filtering control signal and the 3rd rectifying and wave-filtering control signal of stream filtering control sub-circuit, the ballast are whole
The the first rectifying and wave-filtering control output end and the second rectifying and wave-filtering control output end of stream filtering control sub-circuit connect described respectively
The source electrode and grid of the metal-oxide-semiconductor of relay isolation sub-circuit, the drain electrode connection relay isolation sub-circuit of the metal-oxide-semiconductor
First control end of relay, the second control end of the relay of the relay isolation sub-circuit connects the ballast rectification
3rd rectifying and wave-filtering control output end of filtering control sub-circuit, the first controlled terminal of the relay and the second controlled terminal difference
Connect the 4th rectifying and wave-filtering control output end of ballast rectifying and wave-filtering control sub-circuit and the rectification filtering unit
Ballast rectifying and wave-filtering control signal.
4. a kind of LED/light source drive control circuit inputted for electric ballast according to claim 3, its feature exists
In：The relay is KA relays.
5. a kind of LED/light source drive control circuit inputted for electric ballast according to claim 3, its feature exists
In：The relay mechanical switch or electric capacity are substituted, and are used as electrical isolation device.
6. a kind of LED/light source drive control circuit inputted for electric ballast according to claim 1, its feature exists
In：The first simulation Filament of fluorescent lamp unit includes the second electric capacity and second resistance；Second electric capacity and second resistance are simultaneously
It is associated between the first voltage output end of the electric ballast and second voltage output end.
7. a kind of LED/light source drive control circuit inputted for electric ballast according to claim 1, its feature exists
In：The rectification filtering unit is provided with rectifier bridge sub-circuit and the 3rd electric capacity；The rectifier bridge sub-circuit provided with the first diode,
Second diode, the 3rd diode and the 4th diode, the positive terminal of first diode and the 3rd diode is respectively institute
State the rectifying and wave-filtering input and ballast rectifying and wave-filtering control signal of rectification filtering unit, first diode and the 3rd
The negative pole end of diode connects the positive terminal of the 3rd electric capacity, and the negative pole end of the 3rd electric capacity connects second diode
With the positive terminal of the 4th diode, the negative pole end of second diode and the 4th diode connects first diode respectively
With the positive terminal of the 3rd diode；The positive terminal of 3rd electric capacity and negative pole end be the rectifying and wave-filtering cathode output end with
Cathode output end.
8. a kind of LED/light source drive control circuit inputted for electric ballast according to claim 1, its feature exists
In：The LED load includes at least one LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720010126.6U CN206498577U (en) | 2017-01-05 | 2017-01-05 | A kind of LED/light source drive control circuit inputted for electric ballast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720010126.6U CN206498577U (en) | 2017-01-05 | 2017-01-05 | A kind of LED/light source drive control circuit inputted for electric ballast |
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| Publication Number | Publication Date |
|---|---|
| CN206498577U true CN206498577U (en) | 2017-09-15 |
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ID=59802103
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720010126.6U Expired - Fee Related CN206498577U (en) | 2017-01-05 | 2017-01-05 | A kind of LED/light source drive control circuit inputted for electric ballast |
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| CN (1) | CN206498577U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106658928A (en) * | 2017-01-05 | 2017-05-10 | 惠州市时宇虹光电科技有限公司 | LED light source drive control circuit for electronic ballast input |
| CN109819543A (en) * | 2017-11-21 | 2019-05-28 | 通用电气照明解决方案有限公司 | LED illumination component and its driving circuit |
| TWI669024B (en) * | 2018-04-30 | 2019-08-11 | 曾偉菁 | Led tube adapted for use with electronic ballast or ac mains |
-
2017
- 2017-01-05 CN CN201720010126.6U patent/CN206498577U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106658928A (en) * | 2017-01-05 | 2017-05-10 | 惠州市时宇虹光电科技有限公司 | LED light source drive control circuit for electronic ballast input |
| CN106658928B (en) * | 2017-01-05 | 2024-10-01 | 谢新勇 | LED light source driving control circuit for electronic ballast input |
| CN109819543A (en) * | 2017-11-21 | 2019-05-28 | 通用电气照明解决方案有限公司 | LED illumination component and its driving circuit |
| TWI669024B (en) * | 2018-04-30 | 2019-08-11 | 曾偉菁 | Led tube adapted for use with electronic ballast or ac mains |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |