CN201496907U - LED street lamp with intelligent temperature control circuit - Google Patents
LED street lamp with intelligent temperature control circuit Download PDFInfo
- Publication number
- CN201496907U CN201496907U CN2009203090470U CN200920309047U CN201496907U CN 201496907 U CN201496907 U CN 201496907U CN 2009203090470 U CN2009203090470 U CN 2009203090470U CN 200920309047 U CN200920309047 U CN 200920309047U CN 201496907 U CN201496907 U CN 201496907U
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- intelligent chip
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The utility model discloses an LED street lamp with an intelligent temperature control circuit, which comprises an LED drive circuit 4, an LED module group 5, and an intelligent temperature control circuit connected in the LED drive circuit 4, wherein the intelligent temperature control circuit comprises a thermosensitive induction circuit 3, an intelligent chip control circuit 2 and an intelligent chip power supply circuit 1. Direct current voltage VIN which is externally input outputs voltage which is suitable for the intelligent chip control circuit 2 to work on the output end thereof through the intelligent chip power supply circuit 1, the intelligent chip control circuit 2 begins working under the voltage, and analyzes and processes voltage signals which are transferred from the thermosensitive induction circuit 3, and then, sends out control signals for controlling the LED drive circuit 4, thereby controlling the LED module group 5 to work. The LED street lamp has the advantages that the temperature control mode of the LED street lamp effectively protects the safety of the LED street lamp.
Description
Technical field
The utility model relates to the LED street lamp, refers to a kind of LED street lamp with intelligent temperature control circuit especially.
Background technology
LED is a kind of new type light source that adopts semiconductor light emitting, has working stability, the life-span is long, shock resistance is strong, luminous efficiency is high and advantage such as pollution-free.Compare with traditional high-pressure sodium street lamp, the street lamp that utilizes LED to make obtains popularizing rapidly especially.In order to improve protection against the tide of LED street lamp and dustproof performance, LED need be sealed, so just caused the bad problem of LED heat radiation, the too high operate as normal that not only can influence LED of temperature, and can reduce its service life, do not go if heat looses always, temperature is increased to certain value, and LED will burn.In order to dispel the heat, most LED street lamps have all been loaded onto heat abstractor, but because installation is not in place or various external causes such as deformation take place device, can make radiating effect undesirable, and still there is potential safety hazard in the LED street lamp.As seen, heat abstractor can not ensure the safety of LED street lamp fully.
The utility model content
The purpose of this utility model is: when the temperature of LED street lamp surpasses the scope of its normal working temperature, reduce its operating current to reduce power consumption, its caloric value is reduced; When LED street lamp temperature during up to the limiting temperature of its work, it is quit work, too high and burnt to avoid LED street lamp Yin Wendu.
The technical scheme that the utility model provides is as follows: a kind of LED street lamp with intelligent temperature control circuit, comprise led drive circuit 4 and LED module 5, the DC voltage VIN of outside input comes driving LED module 5 by led drive circuit 4, also comprise the intelligent temperature control circuit that inserts led drive circuit 4, described intelligent temperature control circuit comprises thermal sensing circuit 3, intelligent chip control circuit 2 and intelligent chip power supply circuits 1, the DC voltage VIN of outside input is by intelligent chip power supply circuits 1, the voltage that is fit to 2 work of intelligent chip control circuit in its output output, intelligent chip control circuit 2 is started working under this voltage, the voltage signal that thermal sensing circuit 3 is transmitted carries out analyzing and processing, sends control signal then described led drive circuit 4 is controlled.
As preferably; above-mentioned intelligent chip power supply circuits 1 comprise: current-limiting resistance R11; R12; R13; biasing resistor R14; R15; R16; triode Q1; integrated circuit U3; filter capacitor C5; building-out capacitor C6; filter inductance L2 and overvoltage protection diode ZD1; described outside input direct voltage VIN inserts current-limiting resistance R11; R12; one end of R13 parallel connection; the other end in parallel connects the positive terminal of described filter capacitor C5; the tie point of the colelctor electrode of biasing resistor R14 and triode Q1; the other end of described biasing resistor R14 connects described integrated circuit U3 negative pole end; the tie point of the base stage of building-out capacitor C6 and triode Q1; the other end of described building-out capacitor C6 connects described biasing resistor R15; the tie point of the control end of biasing resistor R16 and integrated circuit U3; the described biasing resistor R15 other end connects the emitter stage of described triode Q1 and the tie point of filter inductance L2; the positive terminal of described integrated circuit U3; the negative pole end of filter capacitor C5; the other end of biasing resistor R16 and overvoltage protection diode DZ1 positive terminal ground connection; the negative pole end of described overvoltage protection diode DZ1 connects the tie point of the voltage VCC of the described filter inductance L2 other end and output, and the voltage VCC of described output inserts intelligent chip control circuit 2.
As preferably, above-mentioned intelligent chip control circuit 2 comprises: intelligent chip U2, reset resistor R7, R8, resonant capacitance C7, C8, filter capacitor C9, C10 and crystal oscillator CX1, the voltage VCC of the output of described intelligent chip power supply circuits 1 inserts the 1st pin of the intelligent chip U2 in the described intelligent chip control circuit 2 and the end of filter capacitor C10, the other end of described filter capacitor C10 connects the 14th pin and the ground of intelligent chip U2, the 2nd pin of described intelligent chip U2 connects the end of crystal oscillator CX1 and resonant capacitance C7, the other end of described resonant capacitance C7 connects the tie point on resonant capacitance C8 and ground, the other end of described crystal oscillator CX1 then connects the tie point of resonant capacitance C8 and intelligent chip U2 the 3rd pin, the voltage VCC of termination intelligent chip power supply circuits 1 output of described reset resistor R7, the tie point of another termination reset resistor R8 and filter capacitor C9, the other end ground connection of described filter capacitor C9, the other end of described reset resistor R8 then connects the 4th pin of intelligent chip U2, the ON/OFF signal and the 6th of the 5th pin output of described intelligent chip U2,7,8,9,10, the PWMD signal of 11 pin output inserts described led drive circuit 4.
As preferably, above-mentioned thermal sensing circuit 3 comprises: thermal sensing device HT and divider resistance R10, the end of described divider resistance R10 is connected with the end of thermal sensing device HT, the other end connects the voltage VCC of intelligent chip power supply circuits 1 output, the other end of thermal sensing device HT is ground connection then, and the tie point of described divider resistance R10 and thermal sensing device HT inserts described intelligent chip control circuit 2.
The utlity model has following advantage: in traditional LED street lighting circuit, added the intelligent temperature control circuit; in order to the operating temperature that detects the LED street lamp and carry out corresponding protection; when the temperature of LED street lamp surpasses the temperature range of its operate as normal; the intelligent temperature control circuit will be controlled the operating current of LED street lamp automatically according to its variation of temperature value; control its power consumption and caloric value with this; when the temperature of LED street lamp during up to the limiting temperature value of its work; the intelligent temperature control circuit will cut off its operating current automatically; it is quit work, thereby protected the LED street lamp effectively.
Description of drawings
Fig. 1 is the utility model circuit block diagram.
Fig. 2 is the circuit theory diagrams of led drive circuit and LED module.
Fig. 3 is the circuit theory diagrams of intelligent chip control circuit and thermal sensing circuit.
Fig. 4 is the circuit theory diagrams of intelligent chip power supply circuits.
The specific embodiment
Below in conjunction with accompanying drawing concrete embodiment is illustrated:
As shown in Figure 1, a kind of LED street lamp with intelligent temperature control circuit, comprise led drive circuit 4 and LED module 5, the DC voltage VIN of outside input comes 5 work of driving LED module by led drive circuit 4, it is characterized in that: also comprise the intelligent temperature control circuit that inserts led drive circuit 4, described intelligent temperature control circuit comprises thermal sensing circuit 3, intelligent chip control circuit 2 and intelligent chip power supply circuits 1, the DC voltage VIN of outside input is by intelligent chip power supply circuits 1, the voltage that is fit to 2 work of intelligent chip control circuit in its output output, intelligent chip control circuit 2 is started working under this voltage, the voltage signal that thermal sensing circuit 3 is transmitted carries out analyzing and processing, sends control signal then described led drive circuit 4 is controlled.
As shown in Figure 2; described led drive circuit 4 comprises: spike absorption diode D1; sustained diode 2; reverse connecting protection diode D3; filter capacitor C1; C2; C4; feedback capacity C3; current sense resistor R1; R5; R6; opening resistor R3; R4; feedback resistance R2; buck inductor L1 and integrated circuit U1; described outside input direct voltage VIN connects the end of described spike absorption diode D1; the negative pole end of reverse connecting protection diode D3; the 8th pin of integrated circuit U1; the end of the positive terminal of filter capacitor C1 and opening resistor R4; the described spike absorption diode D1 other end; the positive terminal of reverse connecting protection diode D3 and the negative pole end ground connection of filter capacitor C1; the other end of described opening resistor R4 connects opening resistor R3; the other end of described opening resistor R3 connects the 6th pin of integrated circuit U1; the end of described filter capacitor C2 connects the 7th pin of integrated circuit U1; other end ground connection; described current sense resistor R1; R5; R6 is connected in parallel; an end in parallel connects the 5th pin of integrated circuit; other end ground connection in parallel; described feedback capacity C3 serial connection feedback resistance R2; the other end of feedback capacity C3 connects the 2nd pin of integrated circuit U1; the other end of feedback resistance R2 connects the tie point of buck inductor L1 and integrated circuit U1 the 1st pin; the other end of described buck inductor L1 connects the negative pole end of sustained diode 2 and the tie point of filter capacitor C4; the positive terminal ground connection of described sustained diode 2; the other end of described filter capacitor C4 connects the 5th pin of integrated circuit U1; the 5th pin of intelligent chip U2 in the described intelligent chip control circuit 2 connects the 6th pin of integrated circuit U1; the 6th of intelligent chip U2; 7; 8; 9; 10; 11 pin connect the 3rd pin of integrated circuit U1, and the 5th pin of the negative pole end of described sustained diode 2 and integrated circuit U1 inserts described LED module 5 respectively.
As shown in Figure 3, described intelligent chip control circuit 2 comprises: intelligent chip U2, reset resistor R7, R8, resonant capacitance C7, C8, filter capacitor C9, C10 and crystal oscillator CX1, the voltage VCC of described intelligent chip power supply circuits 1 output inserts the 1st pin of the intelligent chip U2 in the described intelligent chip control circuit 2 and the end of filter capacitor C10, the other end of described filter capacitor C10 connects the 14th pin and the ground of intelligent chip U2, the 2nd pin of described intelligent chip U2 connects the end of crystal oscillator CX1 and resonant capacitance C7, the other end of described resonant capacitance C7 connects the tie point on resonant capacitance C8 and ground, the other end of described crystal oscillator CX1 then connects the tie point of resonant capacitance C8 and intelligent chip U2 the 3rd pin, the voltage VCC of termination intelligent chip power supply circuits 1 output of described reset resistor R7, the tie point of another termination reset resistor R8 and filter capacitor C9, the other end ground connection of described filter capacitor C9, the other end of described reset resistor R8 then connects the 4th pin of intelligent chip U2, the ON/OFF signal and the 6th of the 5th pin output of described intelligent chip U2,7,8,9,10, the PWMD signal of 11 pin output inserts described led drive circuit 4.
Described thermal sensing circuit 3 comprises: thermal sensing device HT and divider resistance R10, the end of described divider resistance R10 is connected with the end of thermal sensing device HT, the other end connects the voltage VCC of intelligent chip power supply circuits 1 output, the other end of thermal sensing device HT is ground connection then, and the tie point of described divider resistance R10 and thermal sensing device HT inserts described intelligent chip control circuit 2.
As shown in Figure 4; described intelligent chip power supply circuits 1 comprise: current-limiting resistance R11; R12; R13; biasing resistor R14; R15; R16; triode Q1; integrated circuit U3; filter capacitor C5; building-out capacitor C6; filter inductance L2 and overvoltage protection diode ZD1; described outside input direct voltage VIN inserts current-limiting resistance R11; R12; one end of R13 parallel connection; the other end in parallel connects the positive terminal of described filter capacitor C5; the tie point of the colelctor electrode of biasing resistor R14 and triode Q1; the other end of described biasing resistor R14 connects described integrated circuit U3 negative pole end; the tie point of the base stage of building-out capacitor C6 and triode Q1; the other end of described building-out capacitor C6 connects described biasing resistor R15; the tie point of the control end of biasing resistor R16 and integrated circuit U3; the described biasing resistor R15 other end connects the emitter stage of described triode Q1 and the tie point of filter inductance L2; the positive terminal of described integrated circuit U3; the negative pole end of filter capacitor C5; the other end of biasing resistor R16 and overvoltage protection diode DZ1 positive terminal ground connection; the negative pole end of described overvoltage protection diode DZ1 connects the tie point of the voltage VCC of the described filter inductance L2 other end and output, and the voltage VCC of described output inserts intelligent chip control circuit 2.
To be described in detail circuit structure of the present utility model below:
1; intelligent chip power supply circuits 1; the effect of this circuit is the direct-current working volts that the DC voltage of outside input converted to the safety and stability that is fit to 2 work of intelligent chip control circuit; wherein comprise a step-down triode Q1; an integrated circuit U3; a filter inductance L2 and an overvoltage protection diode ZD1; after the DC voltage VIN that step-down triode Q1 imports the outside carries out step-down; remove to control step-down triode Q1 by the adjustment of integrated circuit U3; the DC voltage of stable output; by the filtering of filter inductance L2 and the overvoltage protection of overvoltage protection diode ZD1, make the voltage VCC of intelligent chip power supply circuits 1 output safer stable at last.
2, thermal sensing circuit 3, the effect of this circuit is the height of induction LED street lamp temperature, output correspondent voltage signal is given intelligent chip control circuit 2, comprise a thermal sensing device HT, when LED street lamp temperature is high, thermal sensing device HT resistance diminishes, when LED street lamp temperature is low, it is big that thermal sensing device HT resistance becomes, the variation of thermal sensing device HT resistance can make it self pressure drop change, the voltage of intelligent chip U2 the 13rd pin is also just along with variation, and intelligent chip U2 is exactly the height that comes perception LED street lamp temperature by the variation of the 13rd pin voltage, sends control signal then led drive circuit 4 is controlled.
3, intelligent chip control circuit 2, the effect of this circuit is that the voltage signal that thermal sensing circuit 3 sends over is carried out analyzing and processing, sending control signal then controls led drive circuit 4, wherein comprise an intelligent chip U2, a crystal oscillating circuit and a reset circuit, intelligent chip U2 is the core of entire circuit, be responsible for the reception processing of signal and the transmission of control signal, and described crystal oscillating circuit has comprised a crystal oscillator CX1 and resonance capacitor C 7, C8, for intelligent control chip U2 provides stable operating frequency, described reset circuit has comprised reset resistor R7, R8 and a filter capacitor C9, intelligent chip U2 is resetted once when each start, can entanglement with the assurance program, intelligent chip U2 can operate as normal.
4, led drive circuit 4; the effect of this circuit is to provide suitable operating voltage, electric current and protective effect for LED module 5; wherein comprise an integrated circuit U1 and current sense resistor R1, R5, R6; this integrated circuit U1 exports to LED module 5 with outside input direct voltage VIN through after the step-down; simultaneously; current sense resistor R1, R5, R6 will detect and adjust accordingly the electric current of the LED module 5 of flowing through; prevent because of the excessive LED of the burning out module 5 of electric current, played protection LED module 5.
Certainly, above embodiment just is explanation rather than restriction the utility model, the above only is preferred embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, and are included in the utility model patent claim.
Claims (6)
1. LED street lamp with intelligent temperature control circuit, comprise led drive circuit (4) and LED module (5), the DC voltage VIN of outside input comes driving LED module (5) work by led drive circuit (4), it is characterized in that: also comprise the intelligent temperature control circuit that inserts led drive circuit (4).
2. the LED street lamp with intelligent temperature control circuit according to claim 1, it is characterized in that: described intelligent temperature control circuit comprises thermal sensing circuit (3), intelligent chip control circuit (2) and intelligent chip power supply circuits (1), the DC voltage VIN of outside input is by intelligent chip power supply circuits (1), the voltage that is fit to intelligent chip control circuit (2) work in its output output, intelligent chip control circuit (2) is started working under this voltage, the voltage signal that thermal sensing circuit (3) is transmitted carries out analyzing and processing, sends control signal then described led drive circuit (4) is controlled.
3. the LED street lamp with intelligent temperature control circuit according to claim 2; it is characterized in that: described intelligent chip power supply circuits (1) comprising: current-limiting resistance R11; R12; R13; biasing resistor R14; R15; R16; triode Q1; integrated circuit U3; filter capacitor C5; building-out capacitor C6; filter inductance L2 and overvoltage protection diode ZD1; described outside input direct voltage VIN inserts current-limiting resistance R11; R12; one end of R13 parallel connection; the other end in parallel connects the positive terminal of described filter capacitor C5; the tie point of the colelctor electrode of biasing resistor R14 and triode Q1; the other end of described biasing resistor R14 connects described integrated circuit U3 negative pole end; the tie point of the base stage of building-out capacitor C6 and triode Q1; the other end of described building-out capacitor C6 connects described biasing resistor R15; the tie point of the control end of biasing resistor R16 and integrated circuit U3; the described biasing resistor R15 other end connects the emitter stage of described triode Q1 and the tie point of filter inductance L2; the positive terminal of described integrated circuit U3; the negative pole end of filter capacitor C5; the other end of biasing resistor R16 and overvoltage protection diode DZ1 positive terminal ground connection; the negative pole end of described overvoltage protection diode DZ1 connects the tie point of the voltage VCC of the described filter inductance L2 other end and output, and the voltage VCC of described output inserts intelligent chip control circuit (2).
4. the LED street lamp with intelligent temperature control circuit according to claim 2, it is characterized in that: described intelligent chip control circuit (2) comprising: intelligent chip U2, reset resistor R7, R8, resonant capacitance C7, C8, filter capacitor C9, C10 and crystal oscillator CX1, the voltage VCC of described intelligent chip power supply circuits (1) output inserts the 1st pin of the intelligent chip U2 in the described intelligent chip control circuit (2) and the end of filter capacitor C10, the other end of described filter capacitor C10 connects the 14th pin and the ground of intelligent chip U2, the 2nd pin of described intelligent chip U2 connects the end of crystal oscillator CX1 and resonant capacitance C7, the other end of described resonant capacitance C7 connects the tie point on resonant capacitance C8 and ground, the other end of described crystal oscillator CX1 then connects the tie point of resonant capacitance C8 and intelligent chip U2 the 3rd pin, the voltage VCC of termination intelligent chip power supply circuits (1) output of described reset resistor R7, the tie point of another termination reset resistor R8 and filter capacitor C9, the other end ground connection of described filter capacitor C9, the other end of described reset resistor R8 then connects the 4th pin of intelligent chip U2, the ON/OFF signal and the 6th of the 5th pin output of described intelligent chip U2,7,8,9,10, the PWMD signal of 11 pin output inserts described led drive circuit (4).
5. the LED street lamp with intelligent temperature control circuit according to claim 2, it is characterized in that: described thermal sensing circuit (3) comprising: thermal sensing device HT and divider resistance R10, the end of described divider resistance R10 is connected with the end of thermal sensing device HT, the other end connects the voltage VCC of intelligent chip power supply circuits (1) output, the other end of thermal sensing device HT is ground connection then, and the tie point of described divider resistance R10 and light-inductive device S1 inserts described intelligent chip control circuit (2).
6. the LED street lamp with intelligent temperature control circuit according to claim 1; it is characterized in that: described led drive circuit (4) comprising: spike absorption diode D1; sustained diode 2; reverse connecting protection diode D3; filter capacitor C1; C2; C4; feedback capacity C3; current sense resistor R1; R5; R6; opening resistor R3; R4; feedback resistance R2; buck inductor L1 and integrated circuit U1; described outside input direct voltage VIN connects the end of described spike absorption diode D1; the negative pole end of reverse connecting protection diode D3; the 8th pin of integrated circuit U1; the end of the positive terminal of filter capacitor C1 and opening resistor R4; the described spike absorption diode D1 other end; the positive terminal of reverse connecting protection diode D3 and the negative pole end ground connection of filter capacitor C1; the other end of described opening resistor R4 connects opening resistor R3; the other end of described opening resistor R3 connects the 6th pin of integrated circuit U1; the end of described filter capacitor C2 connects the 7th pin of integrated circuit U1; other end ground connection; described current sense resistor R1; R5; R6 is connected in parallel; an end in parallel connects the 5th pin of integrated circuit; other end ground connection in parallel; described feedback capacity C3 serial connection feedback resistance R2; the other end of feedback capacity C3 connects the 2nd pin of integrated circuit U1; the other end of feedback resistance R2 connects the tie point of buck inductor L1 and integrated circuit U1 the 1st pin; the other end of described buck inductor L1 connects the negative pole end of sustained diode 2 and the tie point of filter capacitor C4; the positive terminal ground connection of described sustained diode 2; the other end of described filter capacitor C4 connects the 5th pin of integrated circuit U1; the 5th pin of intelligent chip U2 in the described intelligent chip control circuit (2) connects the 6th pin of integrated circuit U1; the 6th of intelligent chip U2; 7; 8; 9; 10; 11 pin connect the 3rd pin of integrated circuit U1, and the 5th pin of the negative pole end of described sustained diode 2 and integrated circuit U1 inserts described LED module (5) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203090470U CN201496907U (en) | 2009-08-27 | 2009-08-27 | LED street lamp with intelligent temperature control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203090470U CN201496907U (en) | 2009-08-27 | 2009-08-27 | LED street lamp with intelligent temperature control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201496907U true CN201496907U (en) | 2010-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203090470U Expired - Fee Related CN201496907U (en) | 2009-08-27 | 2009-08-27 | LED street lamp with intelligent temperature control circuit |
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| CN (1) | CN201496907U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103327671A (en) * | 2012-03-19 | 2013-09-25 | 黄如金 | PCB of LED lamp |
| CN105067035A (en) * | 2015-07-29 | 2015-11-18 | 长飞光纤光缆股份有限公司 | LED module with temperature signal output and detection current signal output and application circuit thereof |
| WO2020052222A1 (en) * | 2018-09-14 | 2020-03-19 | 深圳市崧盛电子股份有限公司 | Protection circuit for automatically adjusting abnormal external signal and led driving power source |
-
2009
- 2009-08-27 CN CN2009203090470U patent/CN201496907U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103327671A (en) * | 2012-03-19 | 2013-09-25 | 黄如金 | PCB of LED lamp |
| CN105067035A (en) * | 2015-07-29 | 2015-11-18 | 长飞光纤光缆股份有限公司 | LED module with temperature signal output and detection current signal output and application circuit thereof |
| CN105067035B (en) * | 2015-07-29 | 2018-06-26 | 长飞光纤光缆股份有限公司 | A kind of LED module and its application circuit with temperature signal output and sensed current signal output |
| WO2020052222A1 (en) * | 2018-09-14 | 2020-03-19 | 深圳市崧盛电子股份有限公司 | Protection circuit for automatically adjusting abnormal external signal and led driving power source |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20140827 |
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| EXPY | Termination of patent right or utility model |