CN206446513U - A kind of adaptive front lamp light type switching module based on Hall sensor - Google Patents
A kind of adaptive front lamp light type switching module based on Hall sensor Download PDFInfo
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- CN206446513U CN206446513U CN201720012829.2U CN201720012829U CN206446513U CN 206446513 U CN206446513 U CN 206446513U CN 201720012829 U CN201720012829 U CN 201720012829U CN 206446513 U CN206446513 U CN 206446513U
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Abstract
The utility model is related to intelligent automotive light control technology field, specifically a kind of adaptive front lamp light type switching module based on Hall sensor, it is arranged on the front end of high beam and dipped headlight, it is characterized in that, the switching module includes first support, second support, arc shadow shield, stepper motor and hall sensor component, the hall sensor component includes Hall magnet and hall circuitboard, power is transmitted driven gear by the stepper motor by gear drive, the coaxially connected arc shadow shield in side of the driven gear, opposite side is fixed with Hall magnet, the hall circuitboard is set relative to Hall magnet, and be connected between the first support and second support, the hall circuitboard is 1~2mm apart from the distance of Hall magnet.The utility model can be automatically performed quick, the accurate switching of car light pattern according to the change of external environment condition, it is ensured that the safety of running light illumination.
Description
Technical field
The utility model is related to intelligent automotive light control technology field, before especially a kind of adaptive based on Hall sensor
Illuminator light type switching module.
Background technology
With increasing sharply for car ownership, traffic safety problem becomes increasingly conspicuous.In face of road face light complicated and changeable
Lighting environment, vehicle need to constantly enter the switching of the distance-light of driving lamp ensure driver can see road ahead clearly while again
It is unlikely to the dazzling problem for causing opposite to drive a vehicle driver.But rely solely on driver and go to judge distance-light according to road conditions condition
Switching, not only cumbersome, aggravation fatigue influences driving safety, is also easy to cause function improper use, influence opposite vehicle
Traveling.Therefore need it is a kind of can carry out the headlamp of distance-light switching automatically, provide optimal illuminating effect to driver,
Avoid bringing to other human pilots simultaneously and dazzle the eyes.
Utility model content
The utility model removes the light entered of manual switching headlamp for driver in the prior art according to the judgement of oneself
Type mode influences driving safety, the problem of cumbersome and research and design one kind can according to car external environment situation automatically switch before photograph
The adaptive front lamp light type switching module based on Hall sensor of lamplight type.
The technical solution adopted in the utility model is：
A kind of adaptive front lamp light type switching module based on Hall sensor, is arranged on before high beam and dipped headlight
End, it is characterised in that the switching module includes first support, second support, arc shadow shield, stepper motor and hall sensing
Device assembly, the hall sensor component includes Hall magnet and hall circuitboard, and the stepper motor will by gear drive
Power transmits driven gear, and the coaxially connected arc shadow shield in side of the driven gear, opposite side is fixed with Hall magnet, institute
State hall circuitboard to set relative to Hall magnet, and be connected between the first support and second support, the Hall electricity
Road plate is 1~2mm apart from the distance of Hall magnet.
Further, the stepper motor is fixed on the secondary support bracket, and the end of its output shaft has driving gear, institute
The idler gear group that switching module also includes being arranged between driving gear and driven gear is stated, the idler gear group includes same
The first idler gear and the second idler gear that axle is set, first idler gear is engaged with driving gear, in described second
Between gear engaged with driven gear, realize that rotation is delivered to arc shadow shield by stepper motor.
Further, the first support has the installation fagging of successively extension, the end and second of the installation fagging
Support is bolted, and has the first neck for clamping hall circuitboard, the second support in the first support
Upper the second neck with for clamping hall circuitboard.
Further, the arc-shaped curved surface that the arc shadow shield is open for one side.
Further, the arc-shaped curved surface of the arc shadow shield makes the axial cross section of arc-shaped curved surface L-shaped to lower recess.
Further, the switching module also includes imaging sensor and central processing unit, and described image sensor is adopted
Collect external environmental information, be transferred to central processing unit, the central processing unit is according to the signal meter of the imaging sensor received
The light type of switching needed for calculating, and control stepper motor to rotate, stepper motor drives the Hall magnet rotors on driven gear, when
When hall circuitboard senses the change of magnetic-pole signals, hall circuitboard formation electric signal feeds back to central processing unit, centre
Reason device judges the current location of arc shadow shield, and calculates the step walked up to the stepper motor needed for target light type position
Number, control stepper motor is rotated, so as to drive arc shadow shield to rotate to the position of institute's light-dependent type.
Compared with prior art, the utility model apparently has the advantages that：Replace manual switching light type
Triviality, quick, the accurate switching of car light pattern can be automatically performed according to the change of external environment condition, it is ensured that running light shine
Bright safety.
Brief description of the drawings
Fig. 1 is the utility model embodiment headlamp explosive view；
Fig. 2 is the utility model embodiment headlamp light type one view stereo figure of switching module；
Fig. 3 is another view stereo figure of the utility model embodiment headlamp light type switching module；
Fig. 4 is the utility model embodiment headlamp light type switching module part-structure stereogram；
Fig. 5 is this dipped headlight, high beam and the arc shadow shield location drawing.
In figure, 1, high beam, 2, dipped headlight, 3, first support, 31, fagging is installed, the 32, first neck, 4, second support,
41st, the second neck, 5, arc shadow shield, 6, stepper motor, 7, hall sensor component, 71, Hall magnet, 72, Hall circuit
Plate, 8, driven gear, 9, driving gear, the 10, first idler gear, the 11, second idler gear, 12, horizontal motor, 13, lens,
14th, low beam reflector, 15, high beam reflector, 16, radiator, 17, fan.
Embodiment
In order that technical problem, technical scheme and beneficial effect that the utility model is solved are more clearly understood, below
With reference to drawings and Examples, the utility model is further elaborated.It should be appreciated that specific implementation described herein
Example only to explain the utility model, is not used to limit the utility model.
In description of the present utility model, it is to be understood that term " radial direction ", " axial direction ", " on ", " under ", " top ",
The orientation or position relationship of the instruction such as " bottom ", " interior ", " outer " are based on orientation shown in the drawings or position relationship, merely to just
Described in description the utility model with simplified, rather than indicate or imply that the device or element of meaning must be with specific sides
Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In description of the present utility model
In, unless otherwise indicated, " multiple " are meant that two or more.
As Figure 1-Figure 5, headlamp includes being arranged on the lens 13 of front end, for installing headlamp light type switching module
First support 3 and second support 4, arc shadow shield 5, stepper motor 6, the active for being connected to the output shaft end of stepper motor 6
Gear 9, the first idler gear 10, the second idler gear 11, driven gear 8, hall sensor component 7, horizontal motor 12, dipped beam
Lamp 2, the speculum of dipped headlight 2, high beam 1, the speculum of high beam 1, radiator 16 and fan 17.
With reference to Fig. 2 and Fig. 4, hall sensor component 7 includes Hall magnet 71 and hall circuitboard 72, and stepper motor 6 is used
Screw is fixed in second support 4, has driving gear 9, the center tooth of driving gear 9 and first in the output end of stepper motor 6
Wheel 10 is engaged, and the first idler gear 10 is coaxially disposed with the second idler gear 11, in the middle of the first idler gear 10 and second of support
The axle of gear 11 is supported in second support 4, and the second idler gear 11 is engaged with driven gear 8, and the side of driven gear 8 is coaxial
Arc shadow shield 5 is connected, opposite side is bonded with Hall magnet 71, and hall circuitboard 72 is oppositely arranged with Hall magnet 71, therebetween
Away from being maintained between 1~2mm, for sensing pole change signal.
Referring to Fig. 3, first support 3 has the installation fagging 31 of successively extension, installs end and the second support 4 of fagging 31
It is bolted, having in first support 3 in the first neck 32 for clamping hall circuitboard 72, second support 4 has
For the second neck 41 of clamping hall circuitboard 72, hall circuitboard 72 is overlapped on by the first neck 32 and the second neck 41
Between first support 3 and second support 4.
In the present embodiment, the arc-shaped curved surface that arc shadow shield 5 is open for one side, the arc-shaped curved surface of arc shadow shield 5 is downward
Depression makes the axial cross section of arc-shaped curved surface L-shaped.
The operation principle of the utility model embodiment is：External environmental information is gathered by imaging sensor, center is transferred to
Processor, the light type that central processing unit switches according to needed for going out the signal of change of the imaging sensor received, and control stepping
Motor 6 is rotated, and stepper motor 6 drives the Hall magnet 71 on driven gear 8 to rotate, when hall circuitboard 72 senses that magnetic pole is believed
Number change when, hall circuitboard 72 formation electric signal feed back to central processing unit, central processing unit judges arc shadow shield 5
Current location, and calculate the step number walked up to the stepper motor 6 needed for target light type position, control stepper motor 6 is rotated,
So as to drive arc shadow shield 5 to rotate to the position of institute's light-dependent type.
The position relationship of arc shadow shield 5 and dipped headlight 2 and high beam 1 is referring to Fig. 5, and headlamp light type is cut in the present embodiment
Mold changing group has three kinds of mode of operations：Low beam pattern, high beam pattern and L-type.Low beam mode is, for more sufficient in road lighting, to come
Toward the more highway area of vehicle.High beam mode is used to illuminate insufficient city district and country lanes.L-type pattern is used for
When closely with car or meeting, to prevent light from causing opposite driver to cause dazzling, and the light type with dark space designed
Pattern.When starting adaptive car light pattern, car light is initially in low beam mode, when running car is to insufficient light area, step
Stepper motor 6 drives arc shadow shield 5 to rotate forward 90 ° and adjusted to high beam mode.When running into front vehicles meeting, to avoid dazzling
Mesh, arc shadow shield 5, which continues to rotate forward 180 °, switches to L-type, passes through the switching module L that horizontal motor 12 controls vehicle both sides
Spacing between type light type, the size and location for forming dark space is adjusted according to environment, prevents from causing the dazzle of opposite driver.When
Dipped beam state need to be switched back into, then forward direction is rotated further 90 °.The Three models of car light are two-by-two in mutual handoff procedure, using direct
The mode of switching, it is not necessary to the transition Jing Guo the third pattern.
Above-mentioned is enlightenment according to desirable embodiment of the present utility model, passes through above-mentioned description, relevant staff
Various changes and amendments can be carried out in the range of without departing from this utility model technological thought completely.This practicality
New technical scope is not limited to the content on specification, it is necessary to determine that its is technical according to right
Scope.
Claims (6)
1. a kind of adaptive front lamp light type switching module based on Hall sensor, is arranged on high beam (1) and dipped headlight (2)
Front end, it is characterised in that the switching module include first support (3), second support (4), arc shadow shield (5), stepping
Motor (6) and hall sensor component (7), the hall sensor component (7) include Hall magnet (71) and hall circuitboard
(72), power is transmitted driven gear (8) by the stepper motor (6) by gear drive, and the side of the driven gear (8) is same
Axle connection arc shadow shield (5), opposite side is fixed with Hall magnet (71), and the hall circuitboard (72) is relative to Hall magnet
(71) set, and be connected between the first support (3) and second support (4), the hall circuitboard (72) is apart from Hall
The distance of magnet (71) is 1~2mm.
2. the adaptive front lamp light type switching module according to claim 1 based on Hall sensor, it is characterised in that
The stepper motor (6) is fixed in second support (4), and the end of its output shaft has driving gear (9), the switching mould
Group also includes the idler gear group being arranged between driving gear (9) and driven gear (8), and the idler gear group includes coaxial
The first idler gear (10) and the second idler gear (11) set, first idler gear (10) is nibbled with driving gear (9)
Close, second idler gear (11) is engaged with driven gear (8), realizes that rotation is delivered to arc shading by stepper motor (6)
Plate (5).
3. the adaptive front lamp light type switching module according to claim 1 based on Hall sensor, it is characterised in that
The first support (3) has the installation fagging (31) of successively extension, the end for installing fagging (31) and second support (4)
It is bolted, there is the first neck (32) for clamping hall circuitboard (72), described the on the first support (3)
There is the second neck (41) for clamping hall circuitboard (72) on two supports (4).
4. the adaptive front lamp light type switching module according to claim 1 based on Hall sensor, it is characterised in that
The arc-shaped curved surface that the arc shadow shield (5) is open for one side.
5. the adaptive front lamp light type switching module according to claim 4 based on Hall sensor, it is characterised in that
The arc-shaped curved surface of the arc shadow shield (5) makes the axial cross section of arc-shaped curved surface L-shaped to lower recess.
6. the adaptive front lamp light type switching module based on Hall sensor according to claim any one of 1-5, its
It is characterised by, the switching module also includes imaging sensor and central processing unit, described image sensor collection external environment condition
Information, is transferred to central processing unit, and the central processing unit is cut according to needed for going out the signal of change of the imaging sensor received
The light type changed, and control stepper motor (6) to rotate, stepper motor (6) drives the Hall magnet (71) on driven gear (8) to turn
Dynamic, when hall circuitboard (72) senses the change of magnetic-pole signals, hall circuitboard (72) formation electric signal feeds back to center
Processor, central processing unit judges the current location of arc shadow shield (5), and calculates up to needed for target light type position
The step number that stepper motor (6) is walked, control stepper motor (6) is rotated, so as to drive arc shadow shield (5) to rotate to institute's light-dependent type
Position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720012829.2U CN206446513U (en) | 2017-01-05 | 2017-01-05 | A kind of adaptive front lamp light type switching module based on Hall sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720012829.2U CN206446513U (en) | 2017-01-05 | 2017-01-05 | A kind of adaptive front lamp light type switching module based on Hall sensor |
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| CN206446513U true CN206446513U (en) | 2017-08-29 |
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| CN201720012829.2U Active CN206446513U (en) | 2017-01-05 | 2017-01-05 | A kind of adaptive front lamp light type switching module based on Hall sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275065A (en) * | 2017-01-05 | 2018-07-13 | 常州星宇车灯股份有限公司 | A kind of adaptive front lamp light type switching module based on Hall sensor |
-
2017
- 2017-01-05 CN CN201720012829.2U patent/CN206446513U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275065A (en) * | 2017-01-05 | 2018-07-13 | 常州星宇车灯股份有限公司 | A kind of adaptive front lamp light type switching module based on Hall sensor |
| CN108275065B (en) * | 2017-01-05 | 2024-09-03 | 常州星宇车灯股份有限公司 | Self-adaptive headlamp light type switching module based on Hall sensor |
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