CN203126645U - Dimming device and system - Google Patents
Dimming device and system Download PDFInfo
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- CN203126645U CN203126645U CN 201320148952 CN201320148952U CN203126645U CN 203126645 U CN203126645 U CN 203126645U CN 201320148952 CN201320148952 CN 201320148952 CN 201320148952 U CN201320148952 U CN 201320148952U CN 203126645 U CN203126645 U CN 203126645U
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Abstract
The utility model discloses a dimming device and a dimming system, which are used for regulating the illuminating angle of an automobile headlight. The dimming device comprises a microcontroller, an automobile height sensor, a communication module and a dimming motor control module, wherein the microcontroller and the automobile height sensor are integrated. According to the dimming device, the automobile height sensor and the microcontroller are integrated. Compared with an existing headlight illuminating angle regulating system, the dimming system has the advantages that an independent device is reduced, so connecting components such as device connecting and inserting elements, PCBs (printed circuit boards) and wire harnesses are reduced, the structure of the system is simplified, the cost is reduced, in addition, the number of the independent devices is reduced, the influence of external interference signals on signals transmitted among the independent devices is reduced, and the reliability and the accuracy of the dimming device and the dimming system are improved.
Description
Technical field
The application relates to the car lighting technical field, particularly relates to a kind of light modulating device and system of car headlamp.
Background technology
The head lamp of vehicle is used for automobile illuminates the place ahead when night running road conditions, and for guaranteeing ride safety of automobile, relevant laws and regulations both domestic and external have all been done strict regulation to the irradiating angle of described head lamp.But, when the load-carrying of vehicle changes, the vehicle body of automobile meeting run-off the straight, thereby cause the irradiating angle of head lamp to change, the emergent ray that is head lamp is higher or on the low side, if the emergent ray of head lamp is higher, then causes the other side's vehicle and pedestrian dazzling; If the emergent ray of head lamp is on the low side, then influence the visual field of this car chaufeur, therefore, the emergent ray of head lamp is higher or on the low side all can to cause a hidden trouble to vehicle driving safety, even causes traffic accident.
Because the automobile body load-carrying changes and to cause body inclination, and then cause the variation of head lamp irradiating angle in order to overcome, can be by initiatively adjusting the head lamp irradiating angle, reduction or thoroughly solve body inclination to the influence of the irradiating angle of head lamp.Present a kind of head lamp irradiating angle Adjustment System, adopt automatic regulative mode, by one independently electronic control unit, one or two measures the sensor of bodywork height, and the light modulation motor that is installed on the head lamp constitutes, this kind adjustment mode can be adjusted the irradiating angle of head lamp automatically according to the vehicle body situation, but, the individual devices of this kind Adjustment System is many, signal transmission between each individual devices can be subjected to interference from outside signals, therefore, reliability is lower, accuracy is lower, and integrated level is low, and complex structure, cost are higher.
The utility model content
For solving the problems of the technologies described above, the embodiment of the present application provides a kind of light modulating device and system, and with the self-align reliability that improves the car headlamp irradiating angle, reduce old, technical scheme is as follows:
The application provides a kind of light modulating device, be used for adjusting the irradiating angle of car headlamp, comprise: microcontroller, height sensor, communication module and light modulation motor control module, wherein: described microcontroller and described height sensor become one;
The elevation information of described height sensor measured automobiles vehicle body, and offer described microcontroller;
The 2nd I/O port of described microcontroller connects described communication module, obtain the motoring condition information of described automobile by described communication module, and according to the elevation information of described auto body and the angular adjustment information that described motoring condition information obtains described car headlamp;
The 3rd I/O port of described microcontroller connects the input end of described light modulation motor control module, and described angular adjustment information is offered described light modulation motor control module.
Preferably, above-mentioned light modulating device also comprises: power module, the input end of described power module connects automotive power supply, mouth connects the integrated device of described microcontroller and described height sensor, described communication module respectively, and the feeder ear of described light modulation motor control module.
Preferably, above-mentioned light modulating device also comprises: fault driver module, the input end of described fault driver module connect the 4th I/O port of described microcontroller, and mouth connects the fault display module on the automobile.
Preferably, described power module comprises voltage conversion circuit, and the input end of this voltage conversion circuit connects the power supply of described automobile, and mouth is the mouth of described power module.
Preferably, described power module also comprises at least one of overvoltage/under-voltage protecting circuit, reverse-connection protection circuit and short-circuit protection circuit.
Preferably, the quantity of described microcontroller and height sensor is 1.
The application also provides a kind of light adjusting system, and the irradiating angle that is applied to car headlamp is regulated, and comprises above-mentioned light modulating device, the first light modulation motor, second light modulation motor and the fault display unit, wherein:
The signal input part of the described first light modulation motor and the described second light modulation motor all is connected the mouth of the light modulation motor control module in the described light modulating device, the described first light modulation motor connects the left headlamp of described automobile by bindiny mechanism, and the described second light modulation motor connects the right headlamp of described automobile by bindiny mechanism;
The drive end of described fault display unit connects the mouth of the fault driver module in the described light modulating device.The technical scheme that is provided by above the embodiment of the present application as seen, described light modulating device and system, the mode that adopts microcontroller and height sensor to become one, compare with existing head lamp irradiating angle Adjustment System, be equivalent to reduce a device, therefore, reduced the device connector, PCB, links such as wire harness, thereby simplified the structure of system, reduced cost, and reduced the quantity of individual devices, and reduced the external interference signal to the influence of the signal that transmits between the individual devices, improved reliability and the accuracy of light modulating device and system.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, the accompanying drawing that describes below only is some embodiment that put down in writing among the application, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of light modulating device of the embodiment of the present application;
Fig. 2 is the structural representation of the another kind of light modulating device of the embodiment of the present application;
Fig. 3 a is the structural representation of the another kind of light modulating device of the embodiment of the present application;
Fig. 3 b is the structural representation of the embodiment of the present application power module;
Fig. 4 is the structural representation of a kind of light adjusting system of the embodiment of the present application.
The specific embodiment
The embodiment of the present application provides a kind of light modulating device, is used for the front shining lamp adjustment system of automobile, and this described light modulating device comprises: 1 microcontroller that is integrated in one and 1 height sensor, communication module and light modulation motor control module.
Communication module can obtain the on off state of car headlamp for the communication between other control units on microcontroller and the automobile by described communication module.
When the acquisition car headlamp is opening, height sensor detects the height change information of auto body, and this information translation offered microcontroller for corresponding electric signal, microcontroller is according to described height change information, calculate the angular adjustment information of the head lamp of automobile, and be that electric signal offers the light modulation motor control module with this angular adjustment information translation, by the irradiating angle of light modulation motor control module adjusting head lamp, so that the irradiating angle of head lamp satisfies the requirement of relevant laws and regulations.
Described light modulating device adopts 1 microcontroller and 1 mode that height sensor is integrated in one, compare with existing head lamp irradiating angle Adjustment System, reduced the quantity of individual devices, links such as device connector, PCB, wire harness have also just been reduced accordingly, thereby simplify the structure, reduced cost, simultaneously, reduced the quantity of individual devices, also just reduce the interference of external interference signal to transmission signal between the individual devices, thereby improved reliability and the accuracy of light modulating device.
In order to make those skilled in the art person understand technical scheme among the application better, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment only is the application's part embodiment, rather than whole embodiment.Based on the embodiment among the application, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all should belong to the scope of the application's protection.
As shown in Figure 1, a kind of light modulating device that the embodiment of the present application provides comprises: the microcontroller 110 that is integrated in one and height sensor 111, communication module 120 and light modulation motor control module 130.
Wherein, the form that microcontroller 110 and height sensor 111 become one can be that height sensor 111 can be integrated on the microcontroller 110; Can also be that microcontroller 110 is integrated on the height sensor 111.
Preferably, the quantity of microcontroller 110 and height sensor 111 all can be 1, compare with the scheme of 2 microcontrollers of existing employing, has reduced the circuit structure complexity of the light modulating device that the embodiment of the present application provides, and has also reduced cost simultaneously.
The mouth of height sensor 111 connects an I/O port of microcontroller 110, height sensor 111 is for detection of the elevation information of auto body, described elevation information is specially the height change information of auto body, and is that electric signal offers described microcontroller 110 with this height change information translation.
The 2nd I/O port of microcontroller 110 connects communication module 120, and microcontroller 110 is by carrying out communication between other control units on communication module 120 and the automobile, and microcontroller 110 obtains the on off state of car headlamp by communication module 120.
Such as, communication module 120 can be car body controller, car body controller is used for obtaining the information of vehicles of automobile, as vehicle motoring condition information such as speed information, door contact interrupter status information or head lamp switch status informations.
The 3rd I/O port of microcontroller connects the input end of light modulation motor control module 130.
Introduce the working process of the light modulating device that present embodiment provides below in detail:
When microcontroller 110 receives the status information of described head lamp unlatching, transmit control signal to height sensor 111, with the height change information of control height sensor 111 measured automobiles vehicle bodies, and this height change information offered microcontroller 110; Microcontroller 110 is according to described height change information, and described height demarcation information, calculates the angular adjustment information of head lamp; And be that electric signal offers described light modulation motor control module 130 with described angular adjustment information translation.Light modulation motor control module 130 offers the light modulation motor that is connected with head lamp with the electric signal of the angular adjustment information correspondence that receives, adjusts the irradiating angle of head lamp by the light modulation motor, to satisfy the requirement of relevant laws and regulations.
The light modulating device that present embodiment provides, the irradiating angle that is used for car headlamp, this device comprises a microcontroller and height sensor that is integrated in one, communication module, light modulation motor control module, microcontroller obtains the on off state of head lamp by communication module, and when head lamp is in opening the elevation information of control vehicle body sensor measurement vehicle body, calculate the accent increment of the irradiating angle of head lamp according to described elevation information, and described angular adjustment information offered the light modulation motor control module, adjust the irradiating angle of head lamp; The form that the light modulating device of present embodiment has adopted a microcontroller and height sensor to be integrated in one, compare with existing head lamp irradiating angle Adjustment System, be equivalent to reduce a device, therefore, links such as device connector, PCB, wire harness have been reduced, thereby simplified the structure of system, reduced cost, and reduced the quantity of individual devices, reduce the external interference signal to the influence of the signal that transmits between the individual devices, improved reliability and the accuracy of light modulating device and system.
Referring to Fig. 2, the embodiment of the present application provides the structural representation of another kind of light modulating device, with the difference of Fig. 1 be, also comprise fault driver module 140, the input end of fault driver module 140 connects the 4th I/O port of microcontroller, and mouth connects the fault display module on the automobile.
When abnormal condition appear in the front shining lamp adjustment system that detects automobile when microcontroller, produce corresponding electric signal and offer the fault driver module, produce corresponding drive fault display unit by described fault driver module, produce corresponding alerting signal, so that chaufeur can be found the fault of this system easily, and take corresponding expeditious measures, avoid producing potential safety hazard.
The printed circuit board (PCB) that the embodiment of the present application provides can also increase power module on the basis of the printed circuit board (PCB) of Fig. 2 or Fig. 3 correspondence, power after making this printed circuit board (PCB) can directly adopt the power supply of automobile to change, need not additionally to increase power supply, simplified the mechanism of light modulating device.
Shown in Fig. 3 a, present embodiment is to increase power module on the basis of the embodiment of Fig. 2 correspondence, described light modulating device comprises: 1 microcontroller 110 and 1 height sensor 111 of being integrated in one, communication module 120, light modulation motor control module 130, fault driver module 140, and power module 150.
Wherein, the input end of described power module 150 connects the power supply of automobile, mouth connects microcontroller 110 and the feeder ear of the integrated device of height sensor 111, the feeder ear of communication module 120 respectively, and the feeder ear of light modulation motor control module.
Shown in Fig. 3 b, described power module 150 comprises voltage conversion circuit 151, is used for the output voltage of the power supply of automobile is converted to the required voltage of each module of light modulating device, is each module for power supply.
Preferably, described power module 150 also comprises at least a in overvoltage/under-voltage protecting circuit 152, reverse-connection protection circuit 153 and the short-circuit protection circuit 154 shown in Fig. 3 b.
Described overvoltage/under-voltage protecting circuit 142 is used for when the voltage of described voltage conversion circuit output surpasses the higher limit of preset range, and automatic cutout is the loop of other module for power supply in the light modulating device, to avoid burning each module that is powered owing to high potential; In like manner, when the voltage of described voltage conversion circuit output was lower than the lower limit of preset range, automatic cutout was the loop of other module for power supply in the light modulating device, can't normal operation with each module of avoiding causing being powered owing to voltage below level.
Described reverse-connection protection circuit 143; be used for when the mouth of power module and when being powered the feeder ear reversal connection of module; when being the positive and negative end connection error of positive and negative end and the module that is powered of power module; be cut to the loop that is powered module for power supply, prevent because the power supply reversal connection causes the module damage that is powered.
Described short-circuit protection is from module 144, is used for when power module during by short circuit, and the automatic cutout current supply circuit, each module of avoiding being powered is burnt.
The light modulating device that present embodiment provides has been set up power module, can utilize the power supply of automobile to power for other each modules in the light modulating device, makes light modulating device need not extra power supply, and circuit structure is simpler.In addition, power module also has overvoltage, under-voltage protection, and reverse connecting protection, and short-circuit protection function make to being powered the power supply process safety and reliability of module.
Corresponding to above-mentioned light modulating device embodiment, the application also provides light adjusting system.
As shown in Figure 4, the embodiment of the present application provides a kind of structural representation of light adjusting system, and described system comprises: the light modulating device 410 that above-described embodiment provides, the first light modulation motor 420, the second light modulation motor 430, fault display unit 440, left headlamp 450 and right headlamp 460.
Light modulating device 410 obtains elevation information and the height demarcation information of auto body, described elevation information obtains by height sensor, and the elevation information that obtains is actual to be the height change information of auto body, microcontroller in the light modulating device is demarcated information and described height change information according to the described height that obtains, and calculates the angular adjustment information of corresponding head lamp.
The fault driver module that fault display unit 440 connects in the light modulating device 410, concrete, fault display unit 440 can be LED light.
When abnormal condition appear in light adjusting system, microcontroller is exported corresponding electric signal and is offered the fault driver module, by the fault driver module described electric signal is converted to the driving signal, driving malfunction display unit 440, produce corresponding alerting signal by fault display unit, so that chaufeur can be found the fault of this system easily, and takes corresponding expeditious measures, avoid producing potential safety hazard.
The mouth of the light modulation motor control module in the described light modulating device connects the signal input part of the first light modulation motor 420 and the second light modulation motor 430.
The first light modulation motor 420 connects left headlamp 450, the second light modulation motors 430 by first bindiny mechanism and connects right headlamp 460 by second bindiny mechanism.
When electric signal to the first light modulation motor 450 of light modulating device output angle adjustment information correspondence and the second light modulation motor, the light modulation motor rotates, and drive the motion of corresponding bindiny mechanism, thereby make left and right head lamp rotate up or down around its light source, angle with the irradiating angle of adjusting left and right head lamp, thereby adjusted the irradiating angle of left and right head lamp, avoided causing body inclination because the vehicle body load-carrying changes, and then the phenomenon of the variation of the irradiating angle of the head lamp that causes takes place.
Light modulating device in the light adjusting system that present embodiment provides adopts microcontroller and the integrated mode of height sensor, reduced the quantity of individual devices, thereby simplified the circuit structure of system, simultaneously, reduced the signal transmission between the individual devices, therefore, reliability, the accuracy of system have been improved.
The above only is the application's the specific embodiment; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the application's principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the application's protection domain.
Claims (7)
1. light modulating device, be used for adjusting the irradiating angle of car headlamp, it is characterized in that, comprising: microcontroller, height sensor, communication module and light modulation motor control module, wherein: described microcontroller and described height sensor become one;
The elevation information of described height sensor measured automobiles vehicle body, and offer described microcontroller;
The 2nd I/O port of described microcontroller connects described communication module, obtain the motoring condition information of described automobile by described communication module, and according to the elevation information of described auto body and the angular adjustment information that described motoring condition information obtains described car headlamp;
The 3rd I/O port of described microcontroller connects the input end of described light modulation motor control module, and described angular adjustment information is offered described light modulation motor control module.
2. light modulating device according to claim 1, it is characterized in that, also comprise: power module, the input end of described power module connects automotive power supply, mouth connects the integrated device of described microcontroller and described height sensor, described communication module respectively, and the feeder ear of described light modulation motor control module.
3. light modulating device according to claim 1 and 2 is characterized in that, also comprises the fault driver module, and the input end of described fault driver module connects the 4th I/O port of described microcontroller, and mouth connects the fault display module on the automobile.
4. light modulating device according to claim 2 is characterized in that, described power module comprises voltage conversion circuit, and the input end of this voltage conversion circuit connects the power supply of described automobile, and mouth is the mouth of described power module.
5. light modulating device according to claim 4 is characterized in that, described power module also comprises at least one of overvoltage/under-voltage protecting circuit, reverse-connection protection circuit and short-circuit protection circuit.
6. light modulating device according to claim 1 is characterized in that, the quantity of described microcontroller and height sensor is 1.
7. a light adjusting system is applied to the irradiating angle adjusting of car headlamp, it is characterized in that, comprises the described light modulating device of claim 1-6, the first light modulation motor, second light modulation motor and the fault display unit, wherein:
The signal input part of the described first light modulation motor and the described second light modulation motor all is connected the mouth of the light modulation motor control module in the described light modulating device, the described first light modulation motor connects the left headlamp of described automobile by bindiny mechanism, and the described second light modulation motor connects the right headlamp of described automobile by bindiny mechanism;
The drive end of described fault display unit connects the mouth of the fault driver module in the described light modulating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320148952 CN203126645U (en) | 2013-03-28 | 2013-03-28 | Dimming device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320148952 CN203126645U (en) | 2013-03-28 | 2013-03-28 | Dimming device and system |
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| Publication Number | Publication Date |
|---|---|
| CN203126645U true CN203126645U (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320148952 Expired - Lifetime CN203126645U (en) | 2013-03-28 | 2013-03-28 | Dimming device and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107206928A (en) * | 2015-01-14 | 2017-09-26 | 株式会社小糸制作所 | The control device and lamp system for vehicle of lamps apparatus for vehicle |
-
2013
- 2013-03-28 CN CN 201320148952 patent/CN203126645U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107206928A (en) * | 2015-01-14 | 2017-09-26 | 株式会社小糸制作所 | The control device and lamp system for vehicle of lamps apparatus for vehicle |
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| C14 | Grant of patent or utility model | ||
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Address after: 4 / F, building 1, No.14 Jiuxianqiao Road, Chaoyang District, Beijing 100020 Patentee after: Beijing Jingwei Hirain Technologies Co.,Inc. Address before: 100101 Beijing city Chaoyang District Anxiang Beili 11 B block 8 layer Patentee before: Beijing Jingwei HiRain Technologies Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130814 |