CN108575015B - Detection device and detection method for automobile dynamic steering lamp - Google Patents
Detection device and detection method for automobile dynamic steering lamp Download PDFInfo
- Publication number
- CN108575015B CN108575015B CN201710718515.9A CN201710718515A CN108575015B CN 108575015 B CN108575015 B CN 108575015B CN 201710718515 A CN201710718515 A CN 201710718515A CN 108575015 B CN108575015 B CN 108575015B
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- module
- main controller
- lamp
- dynamic
- dynamic turn
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- 238000001514 detection method Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 claims description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011897 real-time detection 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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention provides a detection device for an automobile dynamic turn lamp, which comprises a first main controller, a second main controller, a PWM generation module, an input detection module and an output indication module. The first main controller is connected with the PWM generating module, the PWM generating module is connected with the dynamic steering lamp, and the first main controller controls the PWM generating module to output PWM voltage, so that the dynamic steering lamp is lightened. The second main controller detects the current value of the dynamic steering lamp when being lighted through the input detection module, compares the current value with parameters in the second main controller, outputs a judging result, and the output indication module lights the corresponding LED indication lamp in the output indication module according to the judging result.
Description
Technical Field
The invention belongs to the technical field of automatic detection of vehicle lamps, and relates to a detection device and a detection method of an automobile dynamic turn light.
Background
With the rapid development of the automotive electronics industry, the automotive industry is currently placing higher and higher demands on the safety of automobiles. The steering lamp is used as an important car lamp signal device to prompt surrounding vehicles and pedestrians to pay attention to avoiding when steering or following the car. At present, the dynamic steering lamp is gradually applied to the modern automobile steering lamp, and accordingly, the detection of the dynamic steering lamp is also more and more important.
The common automobile turn signal lights repeatedly turn on bulbs or light emitting diodes LEDs at a certain frequency, and the detection method is to detect and determine the current in the circuit when the turn signal lights. The automobile dynamic turn lamp is characterized in that the LED lamp groups are sequentially lightened, the lightening cycle period is 400ms and 400ms, the current value in the dynamic turn lamp circuit is continuously changed along with the lightening of the LED lamp groups, and therefore the current value in the dynamic turn lamp circuit and the lightening time sequence of the LED lamp groups cannot be detected by a common detection method. At present, no better detection technology is available for the dynamic steering lamp.
Disclosure of Invention
The invention aims to provide a detection device and a detection method capable of conducting real-time detection of current and time sequence while a dynamic steering lamp is lighted.
According to one aspect of the present invention, there is provided a detection apparatus for a dynamic turn lamp of an automobile, which includes a first main controller, a second main controller, a PWM (Pulse Width Modulation ) generating module, an input detection module, and an output indication module, wherein the first main controller is connected to the PWM generating module, the PWM generating module is connected to the dynamic turn lamp, the first main controller controls the PWM generating module to output a PWM voltage so as to light the dynamic turn lamp, the second main controller detects a current value when the dynamic turn lamp is lighted through the input detection module, and compares with parameters in the second main controller, and outputs a determination result, and the output indication module lights a corresponding LED indication lamp in the output indication module according to the determination result.
Preferably, the input detection module detects that the angle light or the flat light is to be measured, the second main controller is provided with two detection programs of the angle light and the flat light, and the corresponding detection program is automatically selected according to the input detection module.
Preferably, the second main controller is connected with an output indication module, and the output indication module internally comprises a PLC (Programmable Logic Controller ) port and a plurality of LED indication lamps.
Preferably, the second main control detects the current value when the dynamic turn signal lights are on in real time.
Preferably, the power supply module is connected with the first main controller and the second main controller respectively and supplies power.
Preferably, the power module further supplies power to the input detection module and the output indication module.
According to an aspect of the present invention, there is provided a method for detecting a dynamic turn signal of an automobile using the above-mentioned detection device, comprising:
Step 1: the first main controller controls the PWM generating module to output PWM voltage and lights the dynamic steering lamp;
Step 2: the second main controller 2 detects the current value of the dynamic steering lamp when the dynamic steering lamp is lighted through the input detection module, compares the current value with parameters in the second main controller and outputs a judging result;
step 3: and the output indication module lights up the corresponding LED indication lamp in the output indication module according to the judging result.
Preferably, the input detection module detects whether the angle light or the flat light is to be measured according to the control logic, the second main controller is provided with two detection programs of the angle light and the flat light, and the corresponding detection program is automatically selected according to the input detection module.
Preferably, the second main control detects the current value when the dynamic turn signal lights are on in real time.
Preferably, the second main controller is connected with an output indication module, and the interior of the output indication module comprises a PLC port and a plurality of LED indication lamps.
Compared with the prior art, the invention has the beneficial effects that:
1. The invention integrates two Main Controllers (MCU) inside, and can detect current and time sequence in real time while lighting the dynamic steering lamp;
2. The invention has the other advantage that the second main controller is internally integrated with two dynamic steering lamp detection programs, so that the corner lamp or the flat lamp can be detected, and the cost is saved.
Drawings
Fig. 1 is a functional block diagram of a detection device for a dynamic turn signal of an automobile according to the present invention.
Fig. 2 is a timing chart of the lighting of the dynamic turn signal of the automobile.
Detailed Description
Embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
Referring to fig. 1, the present invention provides a detection device for a dynamic turn lamp of an automobile, which includes a power module 3, a first main controller 101, a second main controller 102, a PWM generation module 4, an input detection module 6, and an output indication module 7. The dynamic turn lamp 5 is connected to the output end of the PWM generation module 4, and the power module 3 provides stable voltages for the first main controller 101, the second main controller 102, the input detection module 6 and the output indication module 7. The first main controller 101 controls the PWM generation module 4 to output the PWM voltage, thereby lighting the dynamic turn lamp 5. The dynamic turn light 5 is internally provided with a plurality of strings of Light Emitting Diode (LED) lamp groups. The first main controller 101 may control the lighting sequence of the light emitting diode LED lamp group in the dynamic turn lamp 5, and the second main controller 102 collects the current value in the dynamic turn lamp 5 at this time.
The input detection module 6 detects that the angle light or the flat light is to be measured according to the control logic, two dynamic turn light detection programs are integrated in the second main controller 102, the corresponding detection programs are automatically selected according to the input detection module 6, and a judgment result is output. And the output indication module 7 outputs a corresponding level signal and lights a corresponding LED indicator lamp according to the judging result, wherein the PLC port outputs the corresponding level signal.
The technical scheme adopted by the invention is as follows: a detection method of an automobile dynamic turn signal lamp comprises the following steps:
step 1: the first main controller 101 controls the PWM generating module 4 to output PWM voltage, and lights the dynamic turn lamp 5;
Step 2: the second main controller 102 detects the current value of the dynamic turn lamp 5 when being lighted through the input detection module 6, compares the current value with the parameters in the second main controller 102, and outputs a judging result;
step 3: and the output indication module 7 lights corresponding LED indication lamps in the output indication module 7 according to the judging result.
Fig. 2 is a timing chart of the lighting of the dynamic turn signal of the automobile and a detection method thereof. The automobile dynamic turn light 5 sequentially lights the LED lamp groups, the lighting cycle period is 400ms, and the current value in the circuit of the dynamic turn light 5 is continuously changed along with the lighting of the LED lamp groups. Each time the dynamic turn light 5 lights a string of light emitting diode LED light sets, the second main controller 102 collects the current value in the light at this time and compares it with the parameters in the internal program. After the dynamic turn signal 5 runs through a complete cycle, the second main controller 102 outputs a determination result to the output indication module 7 according to the comparison values.
It will be apparent to those skilled in the art that various modifications and variations can be made to the above-described exemplary embodiments of the present invention without departing from the spirit and scope of the invention. Therefore, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (4)
1. The method for detecting the dynamic turn signal lamp of the automobile is characterized by using a detection device of the dynamic turn signal lamp of the automobile, and the detection device of the dynamic turn signal lamp of the automobile comprises the following steps:
A first main controller (101);
a second main controller (102);
A PWM generation module (4);
an input detection module (6); and
The output indication module (7), wherein the first main controller (101) is connected with the PWM generation module (4), the PWM generation module (4) is connected with the dynamic turn light (5), the first main controller (101) controls the PWM generation module (4) to output PWM voltage so as to light the dynamic turn light (5), the second main controller (102) detects the current value when the dynamic turn light (5) is lightened through the input detection module (6), the current value is compared with parameters in the second main controller (102), a judgment result is output, and the output indication module (7) lights the corresponding LED indication lamp in the output indication module (7) according to the judgment result;
the method for detecting the dynamic turn signal lamp of the automobile comprises the following steps:
step 1: the first main controller (101) controls the PWM generating module (4) to output PWM voltage and lighten the dynamic turn light (5);
Step 2: the second main controller (102) detects the current value of the dynamic turn lamp (5) when the dynamic turn lamp is lighted through the input detection module (6), compares the current value with parameters in the second main controller (102), and outputs a judging result;
Step 3: the output indication module (7) lights corresponding LED indication lamps in the output indication module (7) according to the judging result;
The input detection module (6) detects that the angle light or the flat light is to be measured according to the control logic, the second main controller (102) is provided with two detection programs of the angle light and the flat light, and the corresponding detection program is automatically selected according to the input detection module (6);
The second main controller (102) detects the current value when the dynamic steering lamp (5) is lighted in real time.
2. The detection method according to claim 1, wherein the second main controller (102) is connected with an output indication module (7), and the output indication module (7) internally comprises a PLC port and a plurality of LED indication lamps.
3. The detection method according to claim 1, further comprising a power supply module (3), wherein the power supply module (3) is connected to and supplies power to the first main controller (101) and the second main controller (102), respectively.
4. A detection method according to claim 3, characterized in that the power supply module (3) also supplies power to the input detection module (6) and the output indication module (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710718515.9A CN108575015B (en) | 2017-08-21 | 2017-08-21 | Detection device and detection method for automobile dynamic steering lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710718515.9A CN108575015B (en) | 2017-08-21 | 2017-08-21 | Detection device and detection method for automobile dynamic steering lamp |
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| Publication Number | Publication Date |
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| CN108575015A CN108575015A (en) | 2018-09-25 |
| CN108575015B true CN108575015B (en) | 2024-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710718515.9A Active CN108575015B (en) | 2017-08-21 | 2017-08-21 | Detection device and detection method for automobile dynamic steering lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109640451B (en) * | 2018-12-29 | 2024-03-29 | 广东晶科电子股份有限公司 | Automobile dynamic turn signal lamp circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207321583U (en) * | 2017-08-21 | 2018-05-04 | 常州星宇车灯股份有限公司 | Detection device for automobile dynamic steering lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7071762B2 (en) * | 2001-01-31 | 2006-07-04 | Koninklijke Philips Electronics N.V. | Supply assembly for a led lighting module |
| CN205657874U (en) * | 2016-04-11 | 2016-10-19 | 常州星宇车灯股份有限公司 | Novel automobile -used indicator system |
| CN205648110U (en) * | 2016-05-13 | 2016-10-12 | 衡阳师范学院 | Wireless lighting control system of underground parking garage |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN207321583U (en) * | 2017-08-21 | 2018-05-04 | 常州星宇车灯股份有限公司 | Detection device for automobile dynamic steering lamp |
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| CN108575015A (en) | 2018-09-25 |
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