CN109302774A - 一种车用led转向灯故障检测电路及其控制方法 - Google Patents
一种车用led转向灯故障检测电路及其控制方法 Download PDFInfo
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- CN109302774A CN109302774A CN201811377125.0A CN201811377125A CN109302774A CN 109302774 A CN109302774 A CN 109302774A CN 201811377125 A CN201811377125 A CN 201811377125A CN 109302774 A CN109302774 A CN 109302774A
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- lamp
- circuit
- light emitting
- emitting diode
- parallel
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- 238000000034 method Methods 0.000 title description 9
- 239000003990 capacitor Substances 0.000 claims description 31
- 230000001052 transient effect Effects 0.000 claims description 12
- 230000001629 suppression Effects 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 5
- 101000666657 Homo sapiens Rho-related GTP-binding protein RhoQ Proteins 0.000 claims description 3
- 102100038339 Rho-related GTP-binding protein RhoQ Human genes 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 2
- 241001465382 Physalis alkekengi Species 0.000 abstract description 4
- 229910052736 halogen Inorganic materials 0.000 description 4
- 150000002367 halogens Chemical class 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003760 hair shine Effects 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
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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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811377125.0A CN109302774B (zh) | 2018-11-19 | 2018-11-19 | 一种车用led转向灯故障检测电路及其控制方法 |
Applications Claiming Priority (1)
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CN201811377125.0A CN109302774B (zh) | 2018-11-19 | 2018-11-19 | 一种车用led转向灯故障检测电路及其控制方法 |
Publications (2)
Publication Number | Publication Date |
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CN109302774A true CN109302774A (zh) | 2019-02-01 |
CN109302774B CN109302774B (zh) | 2021-01-01 |
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CN201811377125.0A Active CN109302774B (zh) | 2018-11-19 | 2018-11-19 | 一种车用led转向灯故障检测电路及其控制方法 |
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CN (1) | CN109302774B (zh) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN205584565U (zh) * | 2016-04-25 | 2016-09-14 | 上海晨阑光电器件有限公司 | 能自检的led日间行车灯 |
CN207354679U (zh) * | 2017-10-26 | 2018-05-11 | 上海晨阑光电器件有限公司 | 并联模式led异常监测电路 |
CN207744207U (zh) * | 2018-01-24 | 2018-08-17 | 苏州弘瀚光电有限公司 | 汽车后组合尾灯故障检测电路 |
CN108575013A (zh) * | 2017-08-04 | 2018-09-25 | 常州星宇车灯股份有限公司 | 一种led车灯损坏处理装置 |
-
2018
- 2018-11-19 CN CN201811377125.0A patent/CN109302774B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN205584565U (zh) * | 2016-04-25 | 2016-09-14 | 上海晨阑光电器件有限公司 | 能自检的led日间行车灯 |
CN108575013A (zh) * | 2017-08-04 | 2018-09-25 | 常州星宇车灯股份有限公司 | 一种led车灯损坏处理装置 |
CN207354679U (zh) * | 2017-10-26 | 2018-05-11 | 上海晨阑光电器件有限公司 | 并联模式led异常监测电路 |
CN207744207U (zh) * | 2018-01-24 | 2018-08-17 | 苏州弘瀚光电有限公司 | 汽车后组合尾灯故障检测电路 |
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CN109302774B (zh) | 2021-01-01 |
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Date | Code | Title | Description |
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PB01 | Publication | ||
PB01 | Publication | ||
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CB02 | Change of applicant information |
Address after: 241000 No. 8 Building, Science and Technology Industrial Park, 717 Zhongshan South Road, Yijiang District, Wuhu City, Anhui Province Applicant after: Chery Commercial Vehicles (Anhui) Co., Ltd. Address before: 241009 Changchun Road, Wuhu economic and Technological Development Zone, Wuhu, Anhui Province, No. 16 Applicant before: Chery Commercial Vehicles (Anhui) Co., Ltd. |
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CB02 | Change of applicant information | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240415 Address after: 241000 No. 8, Changchun Road, Wuhu economic and Technological Development Zone, Anhui, China Patentee after: CHERY AUTOMOBILE Co.,Ltd. Country or region after: China Address before: 241000 Building 8, science and Technology Industrial Park, 717 Zhongshan South Road, Yijiang District, Wuhu City, Anhui Province Patentee before: Chery Commercial Vehicles (Anhui) Co., Ltd. Country or region before: China |
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TR01 | Transfer of patent right |