CN100513868C - LED illuminating module heat dissipation and abating protection device - Google Patents
LED illuminating module heat dissipation and abating protection device Download PDFInfo
- Publication number
- CN100513868C CN100513868C CNB2007101343899A CN200710134389A CN100513868C CN 100513868 C CN100513868 C CN 100513868C CN B2007101343899 A CNB2007101343899 A CN B2007101343899A CN 200710134389 A CN200710134389 A CN 200710134389A CN 100513868 C CN100513868 C CN 100513868C
- Authority
- CN
- China
- Prior art keywords
- power supply
- led lighting
- supply circuit
- lighting module
- protection device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention provides a heat radiation failure protection device of an LED illumination module. The device mainly comprises an LED lamp cluster, a power supply unit and a heat radiation fan; the heat radiation fan is connected on the main power supply circuit in series or in parallel, a controlling circuit is additionally arranged between the main power supply circuit and the heat radiation fan, and a current controlling component (like a field effect transistor, a three electrode tube, a relay, or a thyristor, etc.) is arranged between the controlling circuit and the main power supply circuit; when the heat radiation fan of the LED illumination module runs abnormally, the power supply current flow quantity of the main power supply circuit can be weakened or in an interruption state through the controlling circuit and the reaction action of the current controlling component, to lead the LED lamp cluster to be transformed and in faint light or power off state, and thereby achieving the protection effect of effectively preventing the over heated damage and the explosion of the LED lamp cluster, in order to further improve the operational safety and the quality of the LED illumination module, and to lead the LED illumination module to have the practical progression.
Description
Technical field
The present invention relates to a kind of LED lighting module, when being meant the disabler of its radiator fan especially, can making its LED close synchronously or present the light current state to produce the innovative design of protective effect.
Background technology
The LED lighting module is applied on various illuminations and the luminous demonstration product structure at present widely owing to its excellent characteristics that have more power saving, longer service life and have high illuminance concurrently than the conventional bulb structure.
Described LED lighting module, its LED light-emitting component can produce heat to a certain degree when lighting, along with LED light-emitting component quantity that module disposed is many more, the heat summation that is produced is high relatively more, and because the equal mutual group of its integral LED light-emitting component is located on the same board structure, so heat can't be dispersed by air fully naturally, continue the heat build-up intensification on the board structure but conduct to, so possibility that had cause thermal damage even initiation to fire, therefore, in the LED lighting module structure, the setting of radiating component is very important, described radiating component, usually adopt the radiator fan member at present, when this LED lighting module was lighted work, the running of this radiator fan can reach radiating effect, to avoid the LED lighting module the aforementioned cause thermal damage of crossing took place, the danger that fires.
By above introduction as can be known, radiator fan may face the situation of burning damage in the course of the work, causes heat sinking function forfeiture and causes the LED lighting module and cross cause thermal damage, fire, but this type of situation can be by the design on the circuit, makes the outage synchronously of LED and radiator fan and solves; Yet, radiator fan is except the factor because of damage its afunction that causes, also may be because flabellum is blocked by foreign matter and stopping, the situation that perhaps presents the brachytely rotary state and cause its heat sinking function to lose equally, and this type of situation is when taking place, because radiator fan is not damaged yet, so simple circuit design is closed uncontrollable LED or produces other corresponding actions in real time, and when this type of situation takes place, the user is difficult to discovering in appearance from the LED lighting module, so, after LED continues running a period of time, will cause the LED lighting module to cross cause thermal damage even fire and initiation fire.
Because the LED of present many LED lighting modules configuration quantity homogeneous phase is when many; therefore the foundation of the normality of its radiating component running and damage or running abnormal protection mechanism; real is the task of top priority; otherwise along with the LED lighting module is progressively popularized the surrounding enviroment of living in people; its follow and come the disaster that may cause, obviously also be a big hidden danger.
So, at the existing problem of above-mentioned existing LED lighting module, how to develop a kind of innovative design that can have more safety, have more desirable practicality, having become relevant industry needs to be thought target and the direction that breaks through.
Summary of the invention
The invention provides a kind of heat dissipation and abating protection device of LED lighting module, its objective is that solution works as radiator fan and take place unusual and during the forfeiture radiating effect, the easy cause thermal damage of crossing of LED lamp group, even the problem that fires.
For achieving the above object; the technical solution used in the present invention is: a kind of heat dissipation and abating protection device of LED lighting module; described LED lighting module comprises LED lamp group, power supply unit and radiator fan; wherein; LED lamp group and power supply unit connect into main current supply circuit; the radiator fan serial or parallel connection is on this main current supply circuit, wherein:
Be provided with a control loop between described main current supply circuit and the radiator fan, be provided with current controling element between first end of described control loop and the main current supply circuit, this current controling element is connected in parallel on LED lamp group two ends and constitutes shunt circuit, main current supply circuit is weakened the supply current flow of LED lamp group or be interrupt status, second end of control loop is connected with a detection module, and detection module produces corresponding actions according to the default running abnormality output control signal control current controling element of radiator fan.
Related content in the technique scheme is explained as follows:
1, in the such scheme, described Current Control member is field-effect transistor (Field-EffectTransistor), triode (Transistor), relay (RELAY) or IGCT (Thyristor).
2, in the such scheme, described detection module adopts the rotating speed state that detects radiator fan, when the rotating speed of radiator fan is 0 or when being lower than preset rotation speed, the output control signal makes the current controling element conducting.
3, in the such scheme, described detection module is made of a control IC or one group of control circuit.
4, in the such scheme, described detection module is built in cooling fan structure.
5, in the such scheme, described detection module is located at cooling fan structure outward.
6, in the such scheme, described power supply unit is constant pressure source or constant-current source.
7, in the such scheme, described main current supply circuit has been arranged in parallel the pressure drop element, and the resistance value of this pressure drop element is lower than the resistance value of LED lamp group.
The technical characterstic that the present invention deals with problems: between main current supply circuit and radiator fan, set up a control loop, being provided with Current Control member (as field-effect transistor, triode, relay, IGCT etc.) between described control loop first end and the main current supply circuit can make the supply current flow of main current supply circuit weaken or be interrupt status, second end of this control loop is connected with a detection module, and described detection module can make the aforementioned currents control member produce action according to the default running abnormality of radiator fan; Innovate unique design whereby, make the present invention contrast prior art, roughly can reach following advantage:
When the running abnormality takes place in the radiator fan of this LED lighting module; can move by the reaction of described control loop and Current Control member in real time; make the supply current flow of main current supply circuit weaken or be interrupt status; constitute LED lamp group and be transformed into the low light level or closed condition; and then reach the protection effect that prevents that effectively this LED lamp group from producing cause thermal damage, firing; safety in utilization and quality with further lifting LED lighting module make it have practical improvement.
Description of drawings
Accompanying drawing 1 is the enforcement illustration one of field-effect transistor for the Current Control member of LED lighting module of the present invention;
Accompanying drawing 2 is the enforcement illustration two of field-effect transistor for the Current Control member of LED lighting module of the present invention;
Accompanying drawing 3 is the enforcement illustration three of field-effect transistor for the Current Control member of LED lighting module of the present invention;
Accompanying drawing 4 is the enforcement illustration four of field-effect transistor for the Current Control member of LED lighting module of the present invention;
Accompanying drawing 5 is the enforcement illustration one of triode for the Current Control member of LED lighting module of the present invention;
Accompanying drawing 6 is the enforcement illustration two of triode for the Current Control member of LED lighting module of the present invention;
Accompanying drawing 7 is the enforcement illustration three of triode for the Current Control member of LED lighting module of the present invention;
Accompanying drawing 8 is the enforcement illustration four of triode for the Current Control member of LED lighting module of the present invention;
Accompanying drawing 9 is the enforcement illustration one of relay for the Current Control member of LED lighting module of the present invention;
Accompanying drawing 10 is the enforcement illustration two of relay for the Current Control member of LED lighting module of the present invention;
Accompanying drawing 11 is the enforcement illustration one of IGCT for the Current Control member of LED lighting module of the present invention;
Accompanying drawing 12 is the enforcement illustration two of IGCT for the Current Control member of LED lighting module of the present invention.
Above accompanying drawing: 1, route; 2, route; 10, LED lamp group; 11, power supply unit; 12, radiator fan; 20, main current supply circuit; 30, control loop; 31, first end; 32, second end; 40, field-effect transistor; 41, field-effect transistor; 42, triode; 43, triode; 44, relay; 441, switch; 45, IGCT; 50, detect module; 51, phase inverter; 60, pressure drop element.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is further described:
Embodiment:
See also shown in the 1st～12 figure, be preferred embodiment of the present invention, these embodiment only for explanation usefulness, are not subjected to the restriction of this structure in patent application; Described LED lighting module comprises LED lamp group 10, power supply unit 11, radiator fan 12; And be connected by a main current supply circuit 20 between this LED lamp group 10 and the power supply unit 11, be connected by a series connection circuit or parallel circuit between this radiator fan 12 and the main current supply circuit 20;
Wherein, set up a control loop 30 between this main current supply circuit 20 and the radiator fan 12, be provided with the Current Control member between first end 31 of described control loop 30 and the main current supply circuit 20, so that the power supply flow of main current supply circuit 20 weakens or is interrupt status, second end 32 of this control loop 30 is connected with a detection module 50, described detection module 50 can make the aforementioned currents control member produce action according to the default running abnormality of radiator fan 12, wherein this detection module 50 can be a control IC or is that one group of control circuit constitutes, and can be mounted on radiator fan inside or outside.
Wherein, this main current supply circuit 20 is provided with pressure drop assembly 60, and this pressure drop assembly 60 is a resistance or is made up of the member with resistance value (as the warning lamp group) that wherein these pressure drop assembly 60 contained resistance values are lower than this LED lamp group 10 contained resistance values.
Wherein, described Current Control member can be: field-effect transistor 40,41 (FET), triode 42,43 (Transistor), relay 44 (RELAY), IGCT 45 (Thyristor).
Wherein, this detection module 50 just is described default running abnormality when the rotating speed that detects radiator fan 12 is 0 or when being lower than under the preset rotation speed.
Now be described as follows with regard to user mode of the present invention:
As shown in Figure 1, be a series connection circuit, wherein these control loop 30 first ends 31 are connected with field-effect transistor 40 (MOSFET-N), and second end 32 is connected with detection module 50.
As shown in Figure 2, be a series connection circuit, wherein these control loop 30 first ends 31 are connected with field-effect transistor 41 (MOSFET-P), and second end 32 is connected with detection module 50.
As shown in Figure 3, be a circuit in parallel, wherein include a phase inverter 51 between this control loop 30, and this first end 31 is connected with field-effect transistor 40 (MOSFET-N), second end 32 is connected with detection module 50.
As shown in Figure 4, be a circuit in parallel, wherein include a phase inverter 51 between this control loop 30, and this first end 31 is connected with field-effect transistor 41 (MOSFET-P), second end 32 is connected with detection module 50.
As shown in Figure 5, be a series connection circuit, wherein these control loop 30 first ends 31 are connected with triode 42 (NPN), and second end 32 is connected with detection module 50.
As shown in Figure 6, be a series connection circuit, wherein these control loop 30 first ends 31 are connected with triode 43 (PNP), and second end 32 is connected with detection module 50.
As shown in Figure 7, be a circuit in parallel, wherein include a phase inverter 51 between this control loop 30, and this first end 31 is connected with triode 42 (NPN), second end 32 is connected with detection module 50.
As shown in Figure 8, be a circuit in parallel, wherein include a phase inverter 51 between this control loop 30, and this first end 31 is connected with triode 43 (PNP), second end 32 is connected with detection module 50.
As shown in Figure 9, be a series connection circuit, wherein these control loop 30 first ends 31 are connected with relay 44, and second end 32 is connected with detection module 50, and connects a step switch 441 on main current supply circuit 20, and wherein, this step switch 441 is normally open.
As shown in figure 10, it is a circuit in parallel, wherein include a phase inverter 51 between this control loop 30, and this first end 31 is connected with relay 44, second end 32 is connected with detection module 50, and connect a step switch 441 on main current supply circuit 20, wherein, this step switch 441 is normally off.
As shown in figure 11, be a series connection circuit, wherein these control loop 30 first ends 31 are connected with IGCT 45, and second end 32 is connected with detection module 50.
Shown in the 12nd figure, be a circuit in parallel, wherein between this control loop 30 and include a phase inverter 51, and this first end 31 is connected with IGCT 45, and second end 32 is connected with detection module 50.
Now be described as follows with regard to operating principle of the present invention:
Shown in Fig. 1～2, the normal power supply loop is a route 1, and provide by power supply unit 11 and to decide voltage source, when this fan 12 is blocked by foreign matter and when causing start rotating situation such as slow or fan 12 damages, this detection module 50 receives the detection signal that fan 12 is sent, be back to the field- effect transistor 40,41 that first end 31 is connected by this control loop 30 again and influence the output voltage values size, and make it be conducting state; At this moment, it is lower than LED lamp group 10 because of contained resistance value to be positioned at pressure drop assembly 60 set on the main current supply circuit 20, so will make most current direction route 2, cause the LED lamp group 10 that is connected with main current supply circuit 20 to send faint light source or do not have light source and produce, whereby, just can learn and unusual condition occurs by perusal.
Shown in Fig. 3～4, the normal power supply loop is a route 1, and provide by power supply unit 11 and to decide voltage source, when this fan 12 is blocked by foreign matter and when causing start rotating situation such as slow or fan 12 damages, this detection module 50 receives the abnormal signal of fan 12, triggering this field- effect transistor 40,41 of control via phase inverter 51 again influences the output voltage values size, to form another current supply circuit route 2; At this moment, it is lower than LED lamp group 10 because of contained resistance value to be positioned at pressure drop assembly 60 set on the main current supply circuit 20, so will make most current direction route 2, little part electric current then flows to route 1, make this LED lamp group 10 send undesired faint signal or do not have light source to produce, inform so that remind.
Shown in Fig. 5～6, the normal power supply loop is a route 1, and provide by power supply unit 11 and to decide voltage source, when this fan 12 is blocked by foreign matter and when causing start rotating situation such as slow or fan 12 damages, this detection module 50 receives the detection signal that fan 12 is sent, be back to the triode 42,43 that first end 31 is connected by this control loop 30 again, and influence the signal power of output end voltage by the electric current that changes input, make it be conducting state; At this moment, it is lower than LED lamp group 10 because of contained resistance value to be positioned at pressure drop assembly 60 set on the main current supply circuit 20, so will make most current direction route 2, cause the LED lamp group 10 that is connected with main current supply circuit 20 to send faint light source or do not have light source to produce, inform so that remind.
Shown in Fig. 7～8, the normal power supply loop is a route 1, and provide by power supply unit 11 and to decide voltage source, when this fan 12 is blocked by foreign matter and when causing start rotating situation such as slow or fan 12 damages, this detection module 50 receives the abnormal signal of fan 12, trigger this triode 42,43 of control via phase inverter 51 again, and influence the signal power of output end voltage by the electric current that changes input, make it be conducting state; At this moment, it is lower than LED lamp group 10 because of contained resistance value to be positioned at pressure drop assembly 60 set on the main current supply circuit 20, so will make most current direction route 2, little part electric current then flows to route 1, make this LED lamp group 10 send undesired faint signal or do not have light source to produce, inform so that remind.
As shown in Figure 9, the normal power supply loop is a route 1, and provides by power supply unit 11 and to decide voltage source, and these relay 44 switches 441 are the contact normally open; Therefore, when this fan 12 is blocked by foreign matter and when causing start rotating situation such as slow or fan 12 damages, receive abnormal signal by detection module 50, again signal is sent to this relay 44, be conducting state to control these relay 44 switches 441, at this moment, it is lower than LED lamp group 10 because of contained resistance value to be positioned at pressure drop assembly 60 set on the main current supply circuit 20, so will make most current direction route 2, little part electric current then flows to route 1, make this LED lamp group 10 send undesired faint signal or do not have light source to produce, inform so that remind.
As shown in figure 10, provide by power supply unit 11 and to decide voltage source, and under the fan regular event, the signal of these detection module 50 received fans 12 belongs to normal signal, but trigger this relay 44 of control via phase inverter 51, the state that presents the contact open circuit with gauge tap 441 (is route 2 no conductings, so its normal power supply loop is a route 1), when this fan 12 is blocked by foreign matter and when causing start rotating situation such as slow or fan 12 damages, this detection module 50 receives the abnormal signal of fan 12, trigger this relay 44 of control via phase inverter 51 again, so as to gauge tap 441 conducting states, at this moment, it is lower than LED lamp group 10 because of contained resistance value to be positioned at pressure drop assembly 60 set on the main current supply circuit 20, therefore most electric current route 2 of will flowing through, the little part electric current route 1 of flowing through, make this LED lamp group 10 send undesired faint signal or do not have light source to produce, inform so that remind.
As shown in figure 11, the normal power supply loop is a route 1, and provide by power supply unit 11 and to decide voltage source, when this fan 12 is blocked by foreign matter and when causing start rotating situation such as slow or fan 12 damages, this detection module 50 receives the detection signal that fan 12 is sent, be back to the IGCT 45 that first end 31 is connected by this control loop 30 again, to reach the state of triggering and conducting, at this moment, it is lower than LED lamp group 10 because of contained resistance value to be positioned at pressure drop assembly 60 set on the main current supply circuit 20, therefore will make most current direction route 2, little part electric current then flows to route 1, make this LED lamp group 10 send undesired faint signal or do not have light source to produce, inform so that remind.
As shown in figure 12, the normal power supply loop is a route 1, and provide by power supply unit 11 and to decide voltage source, when this fan 12 is blocked by foreign matter and when causing start rotating situation such as slow or fan 12 damages, this detection module 50 receives the abnormal signal of fan 12, form feeder circuit 2 through triggering this IGCT 45 of control again, at this moment, it is lower than LED lamp group 10 because of contained resistance value to be positioned at pressure drop assembly 60 set on the main current supply circuit 20, therefore will make most current direction route 2, little part electric current then flows to route 1, makes this LED lamp group 10 send undesired faint signal or do not have light source to produce, and informs so that remind.
What remark additionally is that above-mentioned described power supply unit 11 also can be the constant current source output mode.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit essence is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (7)
1, a kind of heat dissipation and abating protection device of LED lighting module; described LED lighting module comprises LED lamp group, power supply unit and radiator fan, and wherein, LED lamp group and power supply unit connect into main current supply circuit; the radiator fan serial or parallel connection is characterized in that on this main current supply circuit:
Be provided with a control loop between described main current supply circuit and the radiator fan, be provided with current controling element between first end of described control loop and the main current supply circuit, this current controling element is connected in parallel on LED lamp group two ends and constitutes shunt circuit, main current supply circuit is weakened the supply current flow of LED lamp group or be interrupt status, second end of control loop is connected with a detection module, and detection module produces corresponding actions according to the default running abnormality output control signal control current controling element of radiator fan.
2, the heat dissipation and abating protection device of LED lighting module according to claim 1 is characterized in that: described current controling element is field-effect transistor, triode, relay or IGCT.
3, the heat dissipation and abating protection device of LED lighting module according to claim 1; it is characterized in that: described detection module adopts the rotating speed state that detects radiator fan; when the rotating speed of radiator fan is 0 or when being lower than preset rotation speed, the output control signal makes the current controling element conducting.
4, the heat dissipation and abating protection device of LED lighting module according to claim 1 is characterized in that: described detection module is made of a control IC or one group of control circuit.
5, the heat dissipation and abating protection device of LED lighting module according to claim 1 is characterized in that: described detection module is built in cooling fan structure.
6, the heat dissipation and abating protection device of LED lighting module according to claim 1 is characterized in that: described detection module is located at cooling fan structure outward.
7, the heat dissipation and abating protection device of LED lighting module according to claim 1 is characterized in that: described power supply unit is constant pressure source or constant-current source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101343899A CN100513868C (en) | 2007-10-12 | 2007-10-12 | LED illuminating module heat dissipation and abating protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101343899A CN100513868C (en) | 2007-10-12 | 2007-10-12 | LED illuminating module heat dissipation and abating protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101144609A CN101144609A (en) | 2008-03-19 |
| CN100513868C true CN100513868C (en) | 2009-07-15 |
Family
ID=39207260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101343899A Expired - Fee Related CN100513868C (en) | 2007-10-12 | 2007-10-12 | LED illuminating module heat dissipation and abating protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100513868C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5006165B2 (en) | 2007-11-20 | 2012-08-22 | 株式会社小糸製作所 | Vehicle lighting |
| CN101435543B (en) * | 2008-12-12 | 2012-08-29 | 李鑫 | LED road lamp |
| CN101932166A (en) * | 2009-06-25 | 2010-12-29 | 扬光绿能股份有限公司 | Illumination device and control method thereof |
| CN102833924B (en) * | 2011-06-15 | 2016-08-24 | 建准电机工业股份有限公司 | Lamp circuit |
| CN102625550A (en) * | 2012-03-14 | 2012-08-01 | 江苏联星光电有限公司 | Fault-tolerant type high-power LED (Light Emitting Diode) lamp |
| JP6151591B2 (en) * | 2013-02-22 | 2017-06-21 | 株式会社小糸製作所 | Vehicle lighting |
| CN110793005A (en) * | 2019-11-08 | 2020-02-14 | 广州市明电照明科技有限公司 | High-pressure mercury bulb protection device and protection method thereof |
-
2007
- 2007-10-12 CN CNB2007101343899A patent/CN100513868C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101144609A (en) | 2008-03-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100513868C (en) | LED illuminating module heat dissipation and abating protection device | |
| CN203596959U (en) | LED signal lighting unit | |
| CN201303445Y (en) | LED intelligent lighting device | |
| CN201345764Y (en) | Lighting circuit with warm intelligent protection of LED (light emitting diode) | |
| CN201854467U (en) | Replacement type LED fluorescent tube circuit | |
| CN204026416U (en) | A kind of LED street lamp | |
| WO2015013962A1 (en) | Led illumination independent type control system | |
| CN2777789Y (en) | Electric outlet with protective circuit | |
| CN101377287B (en) | High power LED lamp | |
| CN201198838Y (en) | Fan speed-regulating alarming device | |
| CN2929457Y (en) | High efficiency LED lighting road lamp device | |
| CN216793270U (en) | Display device and LED display screen | |
| CN206743613U (en) | Fire-fighting emergency headlamp tool light source failure detection and overheating protection circuit | |
| WO2015013960A1 (en) | Led protection device | |
| JP2012003864A (en) | Led light and supervisory lighting control system of led | |
| CN201289037Y (en) | High-power LED lamp | |
| CN207569610U (en) | High pressure lamp bar device | |
| CN202209546U (en) | Intelligent light-emitting diode (LED) lamp tube | |
| CN204785645U (en) | A heat dissipation mechanism for LED lamps and lanterns | |
| CN2793913Y (en) | Circuit with protecting function of manufacturing apparatus of energy-saving light and electronic ballast | |
| CN203574994U (en) | Overheat protection device and electronic device with overheat protection function | |
| CN202918543U (en) | LED (Light-Emitting Diode) lamp set with over-temperature protection function | |
| CN219627417U (en) | Redundant heat backup PWM power amplification circuit and device for suspended ceiling power supply | |
| CN211880660U (en) | Dimming power supply with short-circuit protection | |
| CN215982301U (en) | COB fire control emergency light source with pilot lamp |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090715 Termination date: 20151012 |
|
| EXPY | Termination of patent right or utility model |