CN116390294A - Car lamp fault compensation method, device and system - Google Patents
Car lamp fault compensation method, device and system Download PDFInfo
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- CN116390294A CN116390294A CN202111597139.5A CN202111597139A CN116390294A CN 116390294 A CN116390294 A CN 116390294A CN 202111597139 A CN202111597139 A CN 202111597139A CN 116390294 A CN116390294 A CN 116390294A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000005286 illumination Methods 0.000 claims description 20
- 230000003287 optical effect Effects 0.000 claims description 14
- 230000001502 supplementing effect Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
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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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- 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]
- H05B45/10—Controlling the intensity of the light
- H05B45/12—Controlling the intensity of the light using optical feedback
-
- 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]
- H05B45/10—Controlling the intensity of the light
- H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
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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 invention relates to the technical field of LEDs, and particularly discloses a method, a device and a system for compensating a lamp fault, which are used for judging whether the current state of the lamp is faulty or not by acquiring the current value and the lamp state of each LED of the lamp, so as to generate a fault compensation scheme, solve the problem that the damage of the existing lamp can affect the overall brightness of the lamp and influence the running safety.
Description
Technical Field
The invention relates to the technical field of LEDs, in particular to a method, a device and a system for compensating a vehicle lamp fault.
Background
When the LED failure occurs in the existing LED type automobile headlamp, the processing mode is as follows:
(1) When the number of the fault LEDs is 1, 70% of the lamps continue to work normally, the illumination area and brightness compensation are not performed when the fault is reported, and 30% of the lamps are turned off and the fault is reported;
(2) When the number of the fault LEDs is more than or equal to 2, the vehicle lamp is turned off and a fault is reported;
after the LED of the automobile headlamp fails, the automobile headlamp needs to be maintained in a nearby automobile 4S shop in time.
The above treatment has the following disadvantages:
(1) When the automobile is driven at night, the LED fault of the head lamp can cause the closing of the head lamp of the automobile or the loss of illumination of part of key areas, so that the driving safety is influenced;
(2) The design index of the optical brightness of the head lamp is generally 120 to 140 percent of the national standard. A small number of LED faults can also meet the national car light optical standard, and the maintenance mode that the lamp assembly is replaced when one LED lamp bead is damaged generates great waste and environmental pollution.
Disclosure of Invention
The invention provides a vehicle lamp fault compensation method, which aims to solve the problems that when the existing vehicle lamp drives at night, the LED fault of the front lamp can cause the closing of the front lamp of the vehicle or the illumination of a part of key areas is lost, and the driving safety is influenced.
The invention adopts the technical scheme that:
a vehicle lamp fault compensation method comprising:
s1: acquiring the current value and the state of the car lamp of each LED;
s2: judging whether the current car lamp fails or not according to the obtained current value of each LED and the car lamp state;
s3: if the current car lamp fails, the failure information is sent to a server;
s4: judging whether the connection to the server is possible;
s5, if the system can be connected to the server, acquiring a fault light compensation parameter factor of the LED of the car lamp;
s6: generating a fault light compensation scheme of the LED of the car lamp according to the compensation parameter factors;
s7: driving the car lamp according to the car lamp LED fault light compensation scheme;
s8: evaluating the light supplementing effect;
s9: if the light supplementing effect is qualified, storing an evaluation score and a parameter factor, comparing the generated light compensation scheme with a light compensation scheme stored in a server, and if the generated light compensation scheme is superior to the light compensation scheme stored in the server, storing the current light compensation scheme; if the light supplementing effect is not qualified, executing the steps S7 to S8.
Further, the fault information comprises vehicle Beidou positioning data.
Further, the step S5 further includes storing the obtained lamp LED fault light compensation parameter factor in a server.
Further, the step S5 further includes obtaining current ambient light data if the connection to the server is impossible, calculating a key area light data distribution map according to the current ambient light data, and then executing steps S8 to S9.
Further, the method of driving a vehicle lamp according to the light compensation scheme includes adjusting the illumination area and/or adjusting the illumination intensity.
Further, the illumination area is adjusted by adjusting the height of the lamp, and the illumination intensity is adjusted by adjusting the brightness of the lamp.
The invention provides a vehicle lamp fault compensation device, which aims to solve the problems that when the existing vehicle lamp drives at night, the LED fault of the front lamp can cause the closing of the front lamp of the vehicle or the illumination of a part of key areas is lost, and the driving safety is influenced.
A lamp failure compensation device comprising:
the automobile lamp unit comprises an automobile lamp controller, a fault information output module, an automobile lamp brightness adjusting module and an automobile lamp height adjusting module, wherein the fault information output module, the automobile lamp brightness adjusting module and the automobile lamp height adjusting module are all connected with the automobile lamp controller;
the communication unit is connected with the car lamp controller and comprises a Beidou positioning module, a vision acquisition module, an ambient light acquisition module and a communication module, wherein the Beidou positioning module, the vision acquisition module, the ambient light acquisition module and the communication module are all connected with the car lamp controller;
and the light compensation unit is connected with the car lamp controller and is used for analyzing LED faults and generating a light compensation scheme.
And the background server is connected with the car lamp controller and the light compensation unit and is used for storing a light compensation scheme.
The invention provides a car lamp fault compensation system, which aims to solve the problems that when the car lamp is driven at night, the car lamp is turned off or part of illumination of a key area is lost and the driving safety is influenced due to the fact that an LED fault occurs in the car lamp.
A vehicle lamp fault compensation system comprising:
the car light current and state acquisition module is used for acquiring the current value and the car light state of each LED;
the fault analysis module is used for judging whether the current car lamp is faulty or not;
the optical compensation module is used for generating an optical compensation scheme and evaluating the effect of the optical compensation scheme;
and the car lamp driving module is used for adjusting the brightness and the height of the car lamp according to the light compensation scheme.
Compared with the prior art, the invention has the beneficial effects that:
according to the car light compensation method provided by the invention, the current value and the car light state of each LED of the car light are obtained, so that whether the current state of the car light is faulty or not is judged, and a fault compensation scheme is generated, the problem that the damage of the existing car light can affect the overall brightness of the car light and influence the running safety is solved, the car light compensation can be carried out when the car light is faulty, the car running safety is improved, meanwhile, when a small number of LEDs in the car light are damaged, the car light brightness can be improved in a compensation mode, the maintenance or the damage to the overall car light is not needed, and the cost of a user can be reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of a method for compensating for a lamp failure according to an embodiment of the present invention;
fig. 2 is a flowchart of a vehicle lamp fault compensation system according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
fig. 1 shows a flowchart of a vehicle lamp fault compensation method provided in this embodiment, where the fault compensation method is used for performing optical compensation on a vehicle lamp when the vehicle lamp fails, so that the overall brightness of the vehicle lamp is not affected, and normal running of the vehicle is ensured, and specifically the vehicle lamp fault compensation method includes:
s1: acquiring the current value and the state of the car lamp of each LED;
s2: judging whether the current car lamp fails or not according to the obtained current value of each LED and the car lamp state;
s3: if the current car lamp fails, the failure information is sent to a server;
s4: judging whether the connection to the server is possible;
s5, if the system can be connected to the server, acquiring a fault light compensation parameter factor of the LED of the car lamp;
it should be noted that, in this embodiment, the server may designate various light compensation schemes according to the fault condition of the LEDs of the lamp, and may determine the light compensation scheme according to the collected data. Wherein the collected data is a parameter factor such as: which lamp Led groups open or short circuit data, current vehicle speed, vehicle GPS data, current and input voltage of the lamp driver board, etc.
S6: generating a fault light compensation scheme of the LED of the car lamp according to the compensation parameter factors;
s7: driving the car lamp according to the car lamp LED fault light compensation scheme;
s8: evaluating the light supplementing effect;
it should be noted that, when the automobile turns on the floodlight, the current light intensity of the automobile is obtained through the vehicle-mounted vision acquisition equipment, then the current light intensity is compared with the light intensity of the illumination area required by the national regulation, whether the national standard is met is further evaluated, the automobile lamp is continuously operated, the automobile lamp can be continuously used, otherwise, the automobile lamp is reported to be faulty, and the automobile lamp is required to be maintained by an automobile owner.
S9: if the light supplementing effect is qualified, storing an evaluation score and a parameter factor, comparing the generated light compensation scheme with a light compensation scheme stored in a server, and if the generated light compensation scheme is superior to the light compensation scheme stored in the server, storing the current light compensation scheme; if the light supplementing effect is not qualified, executing the steps S7 to S8.
Further, the fault information comprises vehicle Beidou positioning data.
It should be noted that, in this embodiment, different light compensation schemes may be corresponding to different geographic locations and current environmental configurations, for example, the current average temperature is-10 °, a high-power light compensation scheme may be selected, and otherwise, a low-power light compensation scheme or fault alarm may be selected.
Further, the step S5 further includes storing the obtained lamp LED fault light compensation parameter factor in a server.
Further, the step S5 further includes obtaining current ambient light data if the connection to the server is impossible, calculating a key area light data distribution map according to the current ambient light data, and then executing steps S8 to S9.
After calculating the light data distribution diagram of the key area, comparing the light intensity of the light area required by the national regulation with the light intensity of the light area required by the national regulation, and judging whether the light supplementing effect generated by the calculated light data distribution diagram of the key area meets the national regulation.
Furthermore, in this embodiment, the environment sensor is used for collecting the vehicle environment light, and the vision collecting device is used for collecting the brightness of the vehicle lamp, and because the vision collecting device has requirements on illumination intensity, when illumination is too strong, the working accuracy of the vision collecting device can be reduced, and the working of the vision collecting device is not facilitated, so that the environment light condition needs to be detected first.
Further, the method of driving a vehicle lamp according to the light compensation scheme includes adjusting the illumination area and/or adjusting the illumination intensity.
Further, the illumination area is adjusted by adjusting the height of the lamp, and the illumination intensity is adjusted by adjusting the brightness of the lamp.
The embodiment also provides a vehicle lamp fault compensating device, as shown in fig. 2, which includes:
the automobile lamp unit comprises an automobile lamp controller, a fault information output module, an automobile lamp brightness adjusting module and an automobile lamp height adjusting module, wherein the fault information output module, the automobile lamp brightness adjusting module and the automobile lamp height adjusting module are all connected with the automobile lamp controller;
the communication unit is connected with the car lamp controller and comprises a Beidou positioning module, a vision acquisition module, an ambient light acquisition module and a communication module, wherein the Beidou positioning module, the vision acquisition module, the ambient light acquisition module and the communication module are all connected with the car lamp controller;
and the light compensation unit is connected with the car lamp controller and is used for analyzing LED faults and generating a light compensation scheme.
And the background server is connected with the car lamp controller and the light compensation unit and is used for storing a light compensation scheme.
Further, in this embodiment, the optical compensation scheme may be directly obtained from the background server, or an optimal optical compensation scheme may be generated according to the actual situation, which is not limited.
The embodiment also provides a vehicle lamp fault compensation system, which comprises:
the car light current and state acquisition module is used for acquiring the current value and the car light state of each LED;
the fault analysis module is used for judging whether the current car lamp is faulty or not;
the optical compensation module is used for generating an optical compensation scheme and evaluating the effect of the optical compensation scheme;
and the car lamp driving module is used for adjusting the brightness and the height of the car lamp according to the light compensation scheme.
In summary, the method, the device and the system for compensating the vehicle lamp fault provided by the embodiment of the invention judge whether the current state of the vehicle lamp is faulty or not by acquiring the current value and the state of the vehicle lamp of each path of LED of the vehicle lamp, so as to generate a fault compensation scheme, solve the problem that the damage of the existing vehicle lamp can affect the overall brightness of the vehicle lamp and affect the running safety.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and further implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
Those of ordinary skill in the art will appreciate that all or a portion of the steps carried out in the method of the above-described embodiments may be implemented by a program to instruct related hardware, where the program may be stored in a computer readable storage medium, and where the program, when executed, includes one or a combination of the steps of the method embodiments.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A vehicle lamp failure compensation method, comprising:
s1: acquiring the current value and the state of the car lamp of each LED;
s2: judging whether the current car lamp fails or not according to the obtained current value of each LED and the car lamp state;
s3: if the current car lamp fails, the failure information is sent to a server;
s4: judging whether the connection to the server is possible;
s5, if the system can be connected to the server, acquiring a fault light compensation parameter factor of the LED of the car lamp;
s6: generating a fault light compensation scheme of the LED of the car lamp according to the compensation parameter factors;
s7: driving the car lamp according to the car lamp LED fault light compensation scheme;
s8: evaluating the light supplementing effect;
s9: if the light supplementing effect is qualified, storing an evaluation score and a parameter factor, comparing the generated light compensation scheme with a light compensation scheme stored in a server, and if the generated light compensation scheme is superior to the light compensation scheme stored in the server, storing the current light compensation scheme; if the light supplementing effect is not qualified, executing the steps S7 to S8.
2. The vehicle lamp fault-compensating method of claim 1, wherein the fault information comprises vehicle beidou positioning data.
3. The lamp fault-compensating method of claim 1, wherein the step S5 further comprises storing the obtained lamp LED fault-light compensation parameter factor in a server.
4. The vehicle lamp fault compensation method according to claim 1, wherein the step S5 further comprises obtaining current ambient light data if the connection to the server is impossible, calculating a key area light data distribution map based on the current ambient light data, and then performing the steps S8 to S9.
5. The lamp failure compensation method of claim 1, wherein the method of driving a lamp according to a light compensation scheme comprises adjusting an illumination area and/or adjusting an illumination intensity.
6. The lamp failure compensation method according to claim 5, wherein the illumination area is adjusted by adjusting the height of the lamp, and the illumination intensity is adjusted by adjusting the brightness of the lamp.
7. A lamp failure compensation device, comprising:
the automobile lamp unit comprises an automobile lamp controller, a fault information output module, an automobile lamp brightness adjusting module and an automobile lamp height adjusting module, wherein the fault information output module, the automobile lamp brightness adjusting module and the automobile lamp height adjusting module are all connected with the automobile lamp controller;
the communication unit is connected with the car lamp controller and comprises a Beidou positioning module, a vision acquisition module, an ambient light acquisition module and a communication module, wherein the Beidou positioning module, the vision acquisition module, the ambient light acquisition module and the communication module are all connected with the car lamp controller;
and the light compensation unit is connected with the car lamp controller and is used for analyzing LED faults and generating a light compensation scheme.
And the background server is connected with the car lamp controller and the light compensation unit and is used for storing a light compensation scheme.
8. A lamp failure compensation system, comprising:
the car light current and state acquisition module is used for acquiring the current value and the car light state of each LED;
the fault analysis module is used for judging whether the current car lamp is faulty or not;
the optical compensation module is used for generating an optical compensation scheme and evaluating the effect of the optical compensation scheme;
and the car lamp driving module is used for adjusting the brightness and the height of the car lamp according to the light compensation scheme.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111597139.5A CN116390294A (en) | 2021-12-24 | 2021-12-24 | Car lamp fault compensation method, device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111597139.5A CN116390294A (en) | 2021-12-24 | 2021-12-24 | Car lamp fault compensation method, device and system |
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| Publication Number | Publication Date |
|---|---|
| CN116390294A true CN116390294A (en) | 2023-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111597139.5A Pending CN116390294A (en) | 2021-12-24 | 2021-12-24 | Car lamp fault compensation method, device and system |
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| Country | Link |
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| CN (1) | CN116390294A (en) |
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- 2021-12-24 CN CN202111597139.5A patent/CN116390294A/en active Pending
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