CN108692288A

CN108692288A - The cooling system of car light

Info

Publication number: CN108692288A
Application number: CN201710124878.XA
Authority: CN
Inventors: 安旺; 肖静杰; 安淑苗
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2017-03-03
Filing date: 2017-03-03
Publication date: 2018-10-23

Abstract

The invention discloses a kind of cooling system of car light, the cooling system of the car light includes:Light source assembly coldplate, the light source assembly coldplate is for cooling down the light source assembly;Air-cooled water row, the air-cooled water row are selectively connected with the light source assembly coldplate with the heat loss for absorbing the light source assembly coldplate;Heat exchanger, the heat exchanger are connected with the compressor of vehicle, and the heat exchanger is selectively connected with the light source assembly coldplate refrigerant with the heat transfer that absorbs the light source assembly coldplate to the compressor.The cooling system of car light according to the present invention is more preferable to the heat dissipation effect of light source.

Description

The cooling system of car light

Technical field

The present invention relates to technical field of vehicle, more particularly to a kind of cooling system of car light.

Background technology

With the development of auto industry, the opposite problem due to technology etc. of traditional car light gradually cannot meet people Demand, the problems such as vehicle lamp brightness is low, high energy consumption is all badly in need of solving.And the pixel type car light based on laser is meeting above-mentioned condition While can also realize the functions such as distance-light automatically switches, vehicle is anti-glare, greatly developing pixel type car light becomes automobile work One general orientation of industry.Pixel type car light has lot of advantages, but the big calorimetric needs that laser light source is sent out at work distribute It goes out, it is therefore necessary to design the car light cooling system that disclosure satisfy that its demand.

Invention content

The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention carries Go out a kind of cooling system of car light, the cooling system of the car light is more preferable to the heat dissipation effect of light source.

According to the cooling system of car light of the present invention, including:

Light source assembly coldplate, the light source assembly coldplate is for cooling down the light source assembly;

Air-cooled water row, the air-cooled water row are selectively connected with the light source assembly coldplate with by the light source assembly The heat loss that coldplate absorbs;

Heat exchanger, the heat exchanger are connected with the compressor of vehicle, the heat exchanger selectively with the light source assembly Coldplate is connected the refrigerant with the heat transfer that absorbs the light source assembly coldplate to the compressor.

Further, the light source assembly coldplate joins end to end with the air-cooled water row to constitute wind-cooling heat dissipating access, It is provided with the first on-off valve on the wind-cooling heat dissipating access.

Further, it is additionally provided with the first water pump on the wind-cooling heat dissipating access.

Further, the light source assembly coldplate joins end to end with the heat exchanger to constitute water-cooling channel, institute It states and is provided with the second on-off valve on water-cooling channel.

Further, it is additionally provided with the second water pump on the water-cooling channel.

Further, the discharge outlet of the light source assembly coldplate, the water inlet of the air-cooled water row and the heat exchanger Water inlet by the first triple valve be connected;

The discharge outlet of the water inlet of the light source assembly coldplate, the discharge outlet of the air-cooled water row and the heat exchanger is logical The second triple valve is crossed to be connected.

Further, it is provided with the first check valve between second triple valve and air-cooled water row, the described 2nd 3 The second check valve is provided between port valve and the heat exchanger.

Further, the light source assembly coldplate includes:Light source cooled plate for cooling down light source body and for cold But the DMD cooled plates of dmd chip, the light source cooled plate are arranged in series with the DMD cooled plates.

Further, the DMD cooled plates include:Water inlet connection-peg, water outlet connection-peg and DMD cooled plate ontologies, it is described Water inlet connection-peg and the water outlet connection-peg be connected to respectively with the intrinsic cooling water channel of DMD cooled plates, wherein described in into Water cutting connector and the water outlet connection-peg are pagoda head connector.

Further, the cooling water channel of the light source cooled plate and the DMD cooled plates be polymorphic structure with increase with it is cold But the contact area of liquid.

Compared with the existing technology, the car light cooling system of the application has following advantage:

The car light cooling system of the present invention can preferably radiate to light source, ensure that light source is in suitable work temperature Degree.

The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description Obviously, or practice through the invention is recognized.

Description of the drawings

The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment Obviously and it is readily appreciated that, wherein:

Fig. 1 is the schematic diagram of regulating mechanism according to an embodiment of the invention;

Fig. 2 is the schematic diagram of regulating mechanism in accordance with another embodiment of the present invention;

Fig. 3 is the schematic diagram according to the regulating mechanism of further embodiment of the present invention;

Fig. 4 is the schematic diagram according to the regulating mechanism of further embodiment of the present invention;;

Fig. 5 is the schematic diagram according to the regulating mechanism of further embodiment of the present invention;

Fig. 6 is the schematic diagram according to the regulating mechanism of further embodiment of the present invention;

Fig. 7 is the schematic diagram of cooling system according to the ... of the embodiment of the present invention;

Fig. 8 is the schematic diagram of DMD cooled plates ontology according to the ... of the embodiment of the present invention;

Fig. 9 is the schematic diagram of DMD cooled plates according to the ... of the embodiment of the present invention;

Figure 10 is the schematic diagram of light source cooled plate ontology according to the ... of the embodiment of the present invention;

Figure 11 is the schematic diagram of light source cooled plate ontology according to the ... of the embodiment of the present invention;

Figure 12 is the schematic diagram of light source according to the ... of the embodiment of the present invention;

Figure 13 is the schematic diagram of peripheral light source according to the ... of the embodiment of the present invention;

Figure 14 is the schematic diagram of central light source according to the ... of the embodiment of the present invention;

Figure 15 is the index path of light source according to an embodiment of the invention;

Figure 16 is the index path of light source in accordance with another embodiment of the present invention;

Figure 17 is the schematic diagram of DMD cooled plates according to the ... of the embodiment of the present invention;

Figure 18 is the schematic diagram of light source cooled plate according to the ... of the embodiment of the present invention.

Reference numeral:Regulating mechanism 100, rear angle of wedge piece 101, preceding angle of wedge piece 102, first motor 103, the second motor 104, First gear ring 105, the second gear ring 106, first gear 107, second gear 108, the first magnetic part 115, the second magnetic part 116, Front sleeve 117, after sleeve 118, outer sleeve 119, light source 120, central light source 120a, peripheral light source 120b, diffusion sheet 121, the One plus lens 122, the second plus lens 123, concavees lens 124, cylindrical mirror 125, red laser diode 126, green laser Diode 127, blue laser diode 128, air-cooled water row 129, heat exchanger 130, the first on-off valve 131, the first water pump 132, Second on-off valve 133, the second water pump 134, the first triple valve 135, the second triple valve 136, the first check valve 137, second is unidirectional Valve 138, light source cooled plate 139, DMD cooled plates 140, DMD cooled plates ontology 141, connection-peg 142 of intaking are discharged connection-peg 143, DMD cooled plate shells 144, DMD cooled plates cooling duct 145, partition board 146, light source cooled plate ontology 147, light source water cooling Plate cooling duct 148, light source cooled plate shell 149, bulge-structure 150, protective shell 151, protective shell ontology 152 protect shell cover Plate 153, light source cooled plate mounting groove 154, light source cooled plate cover board 155, light source frid 156, light source slot 157, light lens slot Plate 158, the thin tabletting 159 of light lens, light lens pressing plate 160, control panel 161, DMD cooled plates cover board 162, gasket 163, the One gasket 164, the second gasket 165, fastening spring 166 fasten clamp spring 167.

Specific implementation mode

The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to The embodiment of attached drawing description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.

In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.

In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three It is a etc., unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;Can be that machinery connects It connects, can also be to be electrically connected or can communicate each other;It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.

The head lamp system of the embodiment of the present invention is described in detail with reference to Fig. 1 to Figure 18.

Head lamp system according to the ... of the embodiment of the present invention may include light source, the parallel mirror assembly of convergence, and diffusion sheet, first converge Poly- lens, regulating mechanism 100, the first actuator and the second actuator.

Wherein, light source includes central light source and peripheral light source, and central light source and peripheral light source are independently controlled, that is, The brightness of control centre's light source and peripheral light source can be distinguished, the two be independent of each other when brightness regulation.

It, can will be in illumination thus, it is possible to adjust separately the brightness of the brightness and illumination peripheral region of illumination central area The brightness in heart district domain is turned up, and promotes the irradiation distance of light, while can turn down the brightness of illumination peripheral region, avoids excessively high Brightness cause dazzling on the vehicle of pedestrian and other side and influence traffic safety.

The light that light source is sent out rushes across convergence and exiting parallel after the parallel mirror assembly of convergence, that is to say, that convergence paralleloscope Component has the function of optically focused, can bring together the light of diverging, promotes the brightness of light;It can make light simultaneously Exiting parallel.

It is emitted from the light that parallel mirror assembly goes out is converged by diffusion sheet, diffusion sheet can so that light is more uniform, keeps away The brightness for exempting from regional area is excessively high and influences car light irradiation effect.In addition, uniform light can also promote driving for driver Experience, avoids the non-uniform illuminating ray of driver's long focus and causes visual fatigue.

The light being emitted from diffusion sheet is emitted after the first plus lens, and the first plus lens can be to going out from diffusion sheet The light penetrated is converged.

The light come out from the first plus lens can enter regulating mechanism after speculum or dmd chip successively In 100, regulating mechanism 100 can be adjusted the light that light source assembly is sent out to change the exit direction of light, such as can be with Mechanism 100 is controlled to adjust so that light deflects to the left, to the right, upward or downward.

Regulating mechanism 100 may include preceding angle of wedge piece 102 and rear angle of wedge piece 101, preceding angle of wedge piece 102 and rear angle of wedge piece 101 Juxtaposition, i.e., preceding angle of wedge piece 102 and rear angle of wedge piece 101 are arranged side by side, and preceding angle of wedge piece 102 and rear angle of wedge piece 101 are wedge shape and have There are thin end and thick end, preceding angle of wedge piece 102 and rear angle of wedge piece 101 to be configured to the light-transmitting component of light-permeable, and preceding angle of wedge piece 102 It is arranged to rotate around own rotation axis line at least one of rear angle of wedge piece 101.

Regulating mechanism 100 further comprises the first actuator and the second actuator, and the first actuator is for the angle of wedge after driving Piece 101 is rotated around the axis of itself, and angle of wedge piece 102 is rotated around the axis of itself before the second actuator is used to drive.Due to first Actuator and the second actuator are driving mechanism independent of each other, because of the velocity of rotation of hereafter angle of wedge piece 101 and preceding angle of wedge piece 102 It can be adjusted respectively with rotation direction.Angle of wedge piece 101 and preceding angle of wedge piece 102 can rotate in same direction or together at the same speed after such as Speed rotates backward.

It should be noted that " front " herein, i.e. towards the direction of beam projecting, " rear " is far from beam projecting Direction.For example, preceding angle of wedge piece 102 is the angle of wedge piece close to lampshade, rear angle of wedge piece 101 is slightly distal to the preceding angle of wedge at a distance from lampshade Piece 102.

Pass through the preceding angle of wedge piece 102 of rotation and rear angle of wedge piece 101, thus it is possible to vary light before entering angle of wedge piece 102 and after The deviation direction of angle of wedge piece 101, and can be with by changing the distance propagated in rear angle of wedge piece 101 and preceding angle of wedge piece 102 of light Change the deviation angle of light.

Since respective driving mechanism (that is, the first actuator and second actuator) has been respectively adopted in two angle of wedge pieces, because This two angle of wedge pieces can increase governing response speed in this way, while adjustable range is relatively more with independent control, non-interference Extensively, it can realize that light multi-direction adjusting to the left, to the right, upwards, downward and coupling direction are adjusted.

In some embodiments of the invention, the trailing flank of the leading flank of rear angle of wedge piece 101 and preceding angle of wedge piece 102 fitting is set It sets, thus reduces the space hold of rear angle of wedge piece 101 and preceding angle of wedge piece 102, avoid the shape of head lamp system too big and shadow Ring the whole perception of vehicle.

It, can be in rear angle of wedge piece 101 and preceding wedge for the frictional force after reducing between angle of wedge piece 101 and preceding angle of wedge piece 102 Lubricating grease etc. is set between cornual plate 102.Certainly, it can also be spaced apart to avoid two between rear angle of wedge piece 101 and preceding angle of wedge piece 102 Person is worn each other, and then improves the service life of rear angle of wedge piece 101 and preceding angle of wedge piece 102 at least to a certain extent, and same The exit dose of Shi Tigao light.

The angle of the leading flank of preceding angle of wedge piece 102 and the angle of trailing flank and the leading flank and trailing flank of rear angle of wedge piece 101 It is equal.Thus, it is possible to ensure that the light across preceding angle of wedge piece 102 and rear angle of wedge piece 101 can be with horizontal exit.

In some embodiments of the invention, the foreign steamer of the outer profile of preceding angle of wedge piece 102 and rear angle of wedge piece 101 is circle Shape, the preceding angle of wedge piece 102 of circular configuration and the rotation of rear angle of wedge piece 101 are more prone to, and under the premise of identical emittance area, circle 101 the space occupied smaller of preceding angle of wedge piece 102 and rear angle of wedge piece of shape, convenient preceding angle of wedge piece 102 and rear angle of wedge piece 101 arrangement.

Further, the diameter of the outer profile of rear angle of wedge piece 101 is identical with the outer profile diameter of preceding angle of wedge piece 102.Also It is to say, rear angle of wedge piece 101 is identical with the size of preceding angle of wedge piece 102.

In some embodiments of the invention, preceding angle of wedge piece 102 and rear angle of wedge piece 101 are coaxially arranged.It is more convenient as a result, Beam projecting, and the whole occupied space of head lamp system is further reduced.

Further, the trailing flank of the leading flank of rear angle of wedge piece 101 and preceding angle of wedge piece 102 is arranged in parallel.For example, the rear angle of wedge The trailing flank of the leading flank of piece 101 and preceding angle of wedge piece 102 can be arranged perpendicular to horizontal plane.Preceding angle of wedge piece 102 is with after as a result, The rotation of angle of wedge piece 101 is more prone to, and preceding angle of wedge piece 102 and rear angle of wedge piece 101 can be rotated coaxially without interfering with each other.

Further, the peripheral surface of the leading flank of rear angle of wedge piece 101 and rear angle of wedge piece 101 is orthogonal, preceding angle of wedge piece 102 Trailing flank is orthogonal with the peripheral surface of preceding angle of wedge piece 102.For example, the leading flank of rear angle of wedge piece 101 is vertically arranged, preceding angle of wedge piece 102 Trailing flank be vertically arranged.

Light passes through the transmitance of rear angle of wedge piece 101 and preceding angle of wedge piece 102 high as a result, and preceding angle of wedge piece 102 and the rear angle of wedge The occupied space of piece 101 is few, convenient preceding angle of wedge piece 102 and rear angle of wedge piece 101 arrangement.

In some embodiments of the invention, proper pair of the thickness of angle of wedge piece 101 and preceding wedge after the Bao Duanyu of preceding angle of wedge piece 102 The thin proper clock synchronization at the thick end of cornual plate 102 and rear angle of wedge piece 101, the rear side of the leading flank of preceding angle of wedge piece 102 and rear angle of wedge piece 101 Face is parallel.Be the initial position of preceding angle of wedge piece 102 and rear angle of wedge piece 101 and light at this time by preceding angle of wedge piece 102 and after the angle of wedge It is emitted to front after piece 101.

In some embodiments of the invention, the rotation direction phase of the rotation direction of rear angle of wedge piece 101 and preceding angle of wedge piece 102 It is same or opposite.That is, rear angle of wedge piece 101 and preceding angle of wedge piece 102 can rotate in same direction, can also rotate backward.

Further, rear angle of wedge piece 101 is identical with the velocity of rotation of preceding angle of wedge piece 102, thus the rear angle of wedge in the unit interval Piece 101 is identical with the rotational angle of preceding angle of wedge piece 102.

In the specific example of the present invention, rear angle of wedge piece 101 is identical with the structure of preceding angle of wedge piece 102, rear angle of wedge piece 101 and preceding angle of wedge piece 102 can be replaced mutually, be improved into then angle of wedge piece 101 and preceding 102 production efficiency of angle of wedge piece, Production cost is reduced.

The regulating mechanism 100 of the embodiment of the present invention further includes drive component, and drive component is arranged for driving the preceding angle of wedge At least one rotation axis around itself rotates in piece 102 and rear angle of wedge piece 101.

In some embodiments of the invention, as shown in Fig. 2, drive component includes first motor 103 and the second motor 104, angle of wedge piece 101 is rotated around the rotation axis of itself after first motor 103 is used to drive, before the second motor 104 is for driving Angle of wedge piece 102 is rotated around the rotation axis of itself.

That is, rear angle of wedge piece 101 and preceding angle of wedge piece 102 are driven by individual motor respectively, thus after the angle of wedge Piece 101 and preceding angle of wedge piece 102 are independent mutually, and the rotation of the two is not influenced by other side.

Further, pass through 107 phase of the first gear ring 105 and first gear between first motor 103 and rear angle of wedge piece 101 Even, it is embedded with rear angle of wedge piece 101 in the first gear ring 105, the gear teeth along distribution, the first tooth along week are provided with outside the first gear ring 105 Wheel 107 is connected with the drive shaft of first motor 103, and the first gear ring 105 and first gear 107 engage.First motor 103 rotates, Since the drive shaft of first motor 103 is engaged with the first gear ring 105, first motor 103 can drive 105 turns of the first gear ring It is dynamic, and then the rear angle of wedge piece 101 on the first gear ring 105 can also rotate.

It is connected with second gear 108 by the second gear ring 106 between second motor 104 and preceding angle of wedge piece 102, the second gear ring Angle of wedge piece 102 before being embedded in 106, the second gear ring 106 are provided with the gear teeth along week along distribution, second gear 108 and second outside The drive shaft of motor 104 is connected, and the second gear ring 106 and second gear 108 engage.Second motor 104 rotates, due to the second motor 104 drive shaft is engaged with the second gear ring 106, therefore the second motor 104 can drive the second gear ring 106 to rotate, and then second Preceding angle of wedge piece 102 on gear ring 106 can also rotate.

It is understood that regulating mechanism 100 further includes support base, support base is used to support the first gear ring 105 and second Gear ring 106 is so that the first gear ring 105 and the second gear ring 106 can be rotated rotating around the rotation axis of itself.Fulcrum bearing can be with It is tile, and may be supported on the bottom of the first gear ring 105 and the second gear ring 106.

Whether the regulating mechanism 100 of the embodiment of the present invention further includes locating for angle of wedge piece 101 after detecting and preceding angle of wedge piece 102 In the initial position sensing device of initial position.Thus, it is possible to ensure that headlamp accurately adjusts rotational angle, driver is promoted Member's drives to experience.

For example, during installation and debugging initial position sensing device, electronics zero-bit and mechanical zero can be demarcated Correspondence, and then determine with electronics zero-bit the position of mechanical zero.

The initial position sensor of the embodiment of the present invention includes Hall sensor and magnetic part, and Hall sensor fixes peace Dress, such as Hall sensor can be fixedly mounted on support base, and magnetic part is arranged in the first gear ring 105 and the second gear ring 106 On, Hall sensor determines the first gear ring by perceiving the magnetic flux of magnetic part on the first gear ring 105 and the second gear ring 106 105 and second gear ring 106 rotational angle and initial position.

In view of wider ambient temperature range, Hall sensor should select the model with temperature-compensating, magnet as possible Should select operating temperature and it is relatively high apart from temperature, mechanical strength is good, the strong magnet in magnetic field.Preferably, magnetic part is neodymium iron Boron coating magnet.

Further, the distance between Hall sensor and magnetic part influence clearly magnetic induction intensity, it is necessary to really Distance is in suitable range, in a specific embodiment of the present invention, hall sensing between retentivity part and Hall sensor surface Device is s at a distance from magnetic part, and the s meets:s≤3mm.Preferably, s=2mm.

In some embodiments of the invention, the first gear ring 105 and the second gear ring 106 are non-transparent part.Thus, it is possible to keep away Exempt from light across the first gear ring 105 and the second gear ring 106 and perceived by the external world, and then improves the whole light sensation of vehicle.

In some embodiments of the invention, drive component and preceding angle of wedge piece 102 and rear 101 eccentric setting of angle of wedge piece. That is drive component is not located on the propagation path of light, it is avoided to influence the transmission of light.For example, drive component It can be arranged on the radial outside of preceding angle of wedge piece 102 and rear angle of wedge piece 101.

Described in above embodiment is to utilize the preceding angle of wedge piece 102 of Dual-motors Driving and rear angle of wedge piece 101, using double electricity Machine is simple in structure, compact as power source, while micromotor may be used in motor, can further reduce adjusting machine in this way The volume of structure 100.

In present invention embodiment which will be described, using another type of drive as the dynamic of two angle of wedge pieces Power source.

With reference to shown in Fig. 3-Fig. 6, in some embodiments of the invention, regulating mechanism 100 includes magnetic drive component, magnetic Property drive component be arranged to rotate around the rotary shaft of itself using the preceding angle of wedge piece 102 of magnetic drive and rear angle of wedge piece 101.As a result, Motor the space occupied can be eliminated, greatly reduces the volume of regulating mechanism 100, and simple in structure, easy to adjust.

Specifically, as shown in figure 3, magnetic drive part includes the first magnetic part 115 and the second magnetic part 116, preceding angle of wedge piece 102 and rear angle of wedge piece 101 on be respectively arranged with the first magnetic part 115, the first magnetic of the second magnetic part 116 and each angle of wedge on piece Property part 115 is correspondingly arranged.

In other words, the second magnetic part 116 can also be two and can respectively with preceding angle of wedge piece 102 and rear angle of wedge piece 101 On the effect of the first magnetic part 115, and then angle of wedge piece 101 and the rotation of preceding angle of wedge piece 102 after driving, rear angle of wedge piece 101 and preceding wedge Cornual plate 102 can in the same direction or rotate backward, and rear angle of wedge piece 101 and preceding angle of wedge piece 102 can synchronized or non-synchronized rotations.

Further, as shown in figure 5, the regulating mechanism 100 of headlamp further includes front sleeve 117 and after sleeve 118, preceding wedge Cornual plate 102 is embedding to be set in front sleeve 117, and rear angle of wedge piece 101 is embedding to be set in after sleeve 118, and the first magnetic part 115 divides It is not arranged on front sleeve 117 and after sleeve 118.Before the active force of first magnetic part 115 and the second magnetic part 116 can drive Sleeve 117 and after sleeve 118 rotate, and then drive the preceding angle of wedge piece 102 being arranged in front sleeve 117 and be arranged in after sleeve Rear angle of wedge piece 101 rotation in 118.

Further, it is both provided with the mounting groove for installing the first magnetic part 115 in front sleeve 117 and after sleeve 118.By This, improves the mounting stability of the first magnetic part 115, and improves the regulating mechanism of headlamp at least to a certain extent 100 whole perception.

In some embodiments of the invention, as shown in fig. 6, the first magnetic part 115 is configured to annular to constitute front sleeve 117 and after sleeve 118.That is, front sleeve 117 and after sleeve 118 itself are magnetic part, such as front sleeve 117 is with after Sleeve 118 can be made of magnet.

In some embodiments of the invention, as shown in figure 4, the first magnetic part 115 is magnet steel, the second magnetic part 116 is Electromagnetic coil.Electromagnetic coil is powered to generate magnetic field and then interact with magnet steel, with the preceding angle of wedge piece 102 of realization and rear angle of wedge piece 101 rotation.Certainly, two magnetic parts can also all be electromagnetic coil.Also, changing for the size of electric current is passed through in electromagnetic coil Become the actuating speed respective change so that angle of wedge piece, sense of current variation is passed through in electromagnetic coil and enables angle of wedge piece in up time Needle is rotated and is switched between rotating counterclockwise.

Further, electromagnetic coil arrangement circularizes.The Distribution of Magnetic Field of the second magnetic part 116 is uniform as a result, and first is magnetic Part 115 and the second magnetic part 116 more can be acted on steadily each other, improve rear angle of wedge piece 101 and the rotation of preceding angle of wedge piece 102 Stability.

In some embodiments of the invention, as shown in fig. 6, magnetic drive part further includes front sleeve 117, after sleeve 118 With outer sleeve 119, the radial outside in front sleeve 117 and after sleeve 118 is arranged in outer sleeve 119.First magnetic part 115 and second Magnetic part 116 is electromagnetic coil, and the first magnetic part 115 is embedded on front sleeve 117 and after sleeve 118, the second magnetic part 116 It is embedded on outer sleeve 119.

It, can be with by changing the current direction of the electromagnetic coil on the electromagnetic coil and after sleeve 118 on front sleeve 117 Adjust the rotation direction of front sleeve 117 and after sleeve 118, so after capable of adjusting angle of wedge piece 101 and preceding angle of wedge piece 102 rotation Direction.

In some embodiments of the invention, magnetic drive component further includes outer sleeve 119, and the first magnetic part 115 is magnetic The outer periphery in preceding angle of wedge piece 102 and rear angle of wedge piece 101 is arranged in steel loop, magnet steel ring, and the second magnetic part 116 is electromagnetic coil, the Two magnetic parts 116 are embedded on outer sleeve 119.

In some embodiments of the invention, between front sleeve 117 and outer sleeve 119, after sleeve 118 and outer sleeve 119 Between can be provided with ball.Frictional force, the after sleeve 118 between front sleeve 117 and outer sleeve 119 are significantly reduced as a result, With the frictional force between outer sleeve 119, rear angle of wedge piece 101 and the rotation of preceding angle of wedge piece 102 are more prone to.

Benefit using the type of drive of above-mentioned magnetic part is:Two magnetic parts are without passing through other rigid connection structures Such as mechanical axis is directly connected to, two magnetic parts can the form of " non-contact " realize driving, nothing between two such magnetic part It need to arrange that rigid connection structure such as drive shaft etc., parts are reduced, structure is simpler, compact, smaller.And it uses The mode of " non-contact " reduces difficulty to the arrangement of entire headlight, and driving mechanism is not easy to expose, and improves entire headlight Sense organ.

The design parameter of rear angle of wedge piece 101 and preceding angle of wedge piece 102 is described below in detail.

In some embodiments of the invention, the leading flank of preceding angle of wedge piece 102 and the angle of trailing flank and rear angle of wedge piece 101 Leading flank and the angle of trailing flank be α, and the α meets:10 °≤α≤30 °, it may thereby be ensured that preceding angle of wedge piece 102 is with after The size of angle of wedge piece 101 is unlikely to excessive, and ensures that light has with after after angle of wedge piece 101 by preceding angle of wedge piece 102 simultaneously Enough deflection angles.

In some embodiments of the invention, the thin end thickness of rear angle of wedge piece 101 and preceding angle of wedge piece 102 is t1, and thick end is thick Degree is t2, and the t1 meets:2mm≤t1≤3mm, the t2 meet:14mm≤t2≤20mm.Rear angle of wedge piece is limited as a result, 101 and preceding angle of wedge piece 102 size, it is ensured that rear light can have enough light by angle of wedge piece and preceding angle of wedge piece 102 Exit dose.

In other embodiments of the present invention, the thin end thickness of rear angle of wedge piece 101 and preceding angle of wedge piece 102 is t1, thick end Thickness is t2, and the t1 and the t2 meet:1/8≤t1/t2≤1/6.Thus, it is possible to ensure preceding angle of wedge piece 102 and the rear angle of wedge The size of piece 101 is unlikely to excessive, and ensures that light has enough with after after angle of wedge piece 101 by preceding angle of wedge piece 102 simultaneously Deflection angle.

Further, the outer profile of rear angle of wedge piece 101 and preceding angle of wedge piece 102 is that round and diameter is identical.Wedge after as a result, The size of cornual plate 101 and preceding angle of wedge piece 102 is reduced, and then the size of whole regulating mechanism 100 and head lamp system obtains Reduction has been arrived, the whole perception of vehicle is improved.

Further, the outer profile a diameter of d, the t1 and the d of rear angle of wedge piece 101 and preceding angle of wedge piece 102 are full Foot:1/23≤t1/d≤1/17, the t2 and d meet:1/3≤t2/d≤1/2.5.As a result, when after angle of wedge piece 101 and before When the size of angle of wedge piece 102 determines, the thickness of rear angle of wedge piece 101 and preceding angle of wedge piece 102 can also be determined.It is appreciated that It is even transition between rear angle of wedge piece 101 and the thin end and thick end of preceding angle of wedge piece 102 to be.

In the specific example of the present invention, a diameter of d of the outer profile of rear angle of wedge piece 101 and preceding angle of wedge piece 102, the d Meet:45mm≤d≤55mm.Thus, it is possible to while ensuring that headlight component has enough exit doses, size was unlikely to Greatly.

It is, of course, understood that designer can be according to the size of vehicle come to rear angle of wedge piece 101 and preceding angle of wedge piece 102 outer profile diameter carries out designed, designed, is not specifically limited here.

In some embodiments of the invention, the refractive index of rear angle of wedge piece 101 and preceding angle of wedge piece 102 is n, and the n meets: 1.3≤n≤1.7.Found after test of many times, when after angle of wedge piece 101 and the refractive index of preceding angle of wedge piece 102 meet above-mentioned condition When, the size of rear angle of wedge piece 101 and preceding angle of wedge piece 102 is unlikely to excessive, and can ensure through angle of wedge piece 101 later and the preceding angle of wedge The light of piece 102 can have enough deviation angles.

In some embodiments of the invention, the material of rear angle of wedge piece 101 and preceding angle of wedge piece 102 is glass, acrylic, silicon Glue or plastics.It is understood that above-mentioned material preferably meets the requirement of above-mentioned refractive index.

Certainly, the refractive index of two angle of wedge pieces can also be different.

For example, in the other embodiment of the present invention, the folding of the refractive index of rear angle of wedge piece 101 and preceding angle of wedge piece 102 Penetrate rate difference.Thus, it is possible to be adjusted across rear angle of wedge piece according to the refractive index difference of rear angle of wedge piece 101 and preceding angle of wedge piece 102 101 and preceding angle of wedge piece 102 light shooting angle.

In this embodiment it is possible to understand, different materials may be used in rear angle of wedge piece 101 and preceding angle of wedge piece 102 It is made, and then the refractive index of angle of wedge piece 101 and the refractive index of preceding angle of wedge piece 102 are different after realization.

In this embodiment, regulating mechanism 100 further includes drive component, and drive component is arranged for angle of wedge piece before driving 102 and rear angle of wedge piece 101 rotating around itself rotation axis rotate.Drive component includes the first actuator and the second actuator, Setting two actuators such as the first actuator and the second actuator is needed to respectively drive rear angle of wedge piece and preceding angle of wedge piece, due to refraction Both rates difference, thus by match two actuators different driving speed, equally may be implemented light to the left, to the right, to Deflection upper, to inferior multiple directions and coupling direction.In this embodiment, motor may be used in actuator, passes through in this way It controls two motors to work with different driving speed, the difference of two angle of wedge piece velocities of rotation may be implemented, thus matching refraction Demand of the present invention to light deflection equally may be implemented in the difference of rate.

Optionally, the first actuator is first motor, and the second actuator is the second motor.

The course of work of regulating mechanism 100 is described below in detail.

The regulating mechanism 100 of the embodiment of the present invention further includes controller, and controller is connected with drive component and for controlling Drive component drives preceding angle of wedge piece 102 and rear angle of wedge piece 101 to reversely rotate so that the emergent ray projected through two angle of wedge pieces Deflection to the left or to the right, or control drive component drive preceding angle of wedge piece 102 and the first rotating Vortex of rear angle of wedge piece 101, reversed rotation again Turn so that the emergent ray projected through two angle of wedge pieces deflects upward or downward.

Controller can control drive component according to the transport condition of the rotational angle of steering wheel, road conditions or vehicle, make Drive component drive preceding angle of wedge piece 102 and rear angle of wedge piece 101 rotation with realize car light be emitted light according to actual conditions into Horizontal deflection.

Angle of wedge piece 101 and preceding angle of wedge piece 102 have initial position afterwards, when after angle of wedge piece 101 and preceding angle of wedge piece 102 be in just When beginning position, the thin end of rear angle of wedge piece 101 is located at top side, and the rear end of rear angle of wedge piece 101 is located at lower side, preceding angle of wedge piece 102 Thin end be located at lower side, the rear end of preceding angle of wedge piece 102 is located at top side.

Following specific example is stage for most starting with original state to be adjusted.

Firstly the need of explanation, " clockwise " herein and it is " counterclockwise " be at the rear of rear angle of wedge piece 101 with before The rear of angle of wedge piece 102 is respectively adjusted rear angle of wedge piece 101 and preceding angle of wedge piece 102.

Angle of wedge piece 101 rotates clockwise after the first actuator drives and the second actuator drives preceding 102 inverse time of angle of wedge piece When needle rotates, the light level projected by two angle of wedge pieces deflects to the right.Preferably, rear angle of wedge piece 101 and preceding angle of wedge piece 102 It rotates at the same speed and rotational angle is identical.Light is more steady during deflection as a result, improves headlamp radiation response.

For vehicle when turning right, angle of wedge piece 101 is suitable after need to only controlling the first actuator and the driving of the second actuator as a result, Hour hands rotation, preceding angle of wedge piece 102 rotate counterclockwise, you can so that light level deflects to the right, adjust simply, conveniently, and light The fast response time of line deflection.

Angle of wedge piece 101 rotates counterclockwise after the first actuator drives and angle of wedge piece 102 turns clockwise before the second actuator When dynamic, turn by the emergent ray horizontal direction left avertence that two angle of wedge pieces project.Preferably, rear angle of wedge piece 101 and preceding angle of wedge piece 102 It rotates at the same speed and rotational angle is identical.Light is more steady during deflection as a result, improves the irradiation effect of headlamp Fruit.

For vehicle when turning left, angle of wedge piece 101 is inverse after need to only controlling the first actuator and the driving of the second actuator as a result, Hour hands rotation, preceding angle of wedge piece 102 rotate clockwise, you can so that light level deflects to the left, adjust simply, conveniently, and light The fast response time of line deflection.

Angle of wedge piece 101 and preceding angle of wedge piece 102 rotate clockwise after the first actuator and the second actuator respectively drive 90 °, angle of wedge piece 102 turns counterclockwise before angle of wedge piece 101 rotates clockwise after the first actuator drives again, the second actuator drives again When dynamic, the emergent ray projected by two angle of wedge pieces deflects vertically upward.Preferably, rear angle of wedge piece 101 and preceding angle of wedge piece 102 It rotates at the same speed and rotational angle is identical.Light is more steady during deflection as a result, improves the irradiation effect of headlamp Fruit.

Vehicle only need to control the first actuator and the second actuator respectively drives rear 101 He of angle of wedge piece when going up a slope as a result, Preceding angle of wedge piece 102 first rotates clockwise 90 °, then angle of wedge piece 101 rotates clockwise, preceding angle of wedge piece 102 rotates counterclockwise after driving, Simple, conveniently, and the fast response time of light deflection can be adjusted so that light deflects vertically upward.

Angle of wedge piece 101 and preceding angle of wedge piece 102 rotate clockwise after the first actuator and the second actuator respectively drive 90 °, angle of wedge piece 102 turns clockwise before angle of wedge piece 101 rotates counterclockwise after the first actuator drives again, the second actuator drives again When dynamic, the emergent ray projected by two angle of wedge pieces deflects vertically downward.Preferably, rear angle of wedge piece 101 and preceding angle of wedge piece 102 It rotates at the same speed and rotational angle is identical.Light is more steady during deflection as a result, improves the irradiation effect of headlamp Fruit.

Vehicle only need to control the first actuator and the second actuator respectively drives rear 101 He of angle of wedge piece in descending as a result, Preceding angle of wedge piece 102 first rotates clockwise 90 °, then angle of wedge piece 101 rotates counterclockwise, preceding angle of wedge piece 102 rotates clockwise after driving, Simple, conveniently, and the fast response time of light deflection can be adjusted so that light deflects vertically downward.

Angle of wedge piece 101 and preceding angle of wedge piece 102 rotate clockwise after the first actuator and the second actuator respectively drive And rotational angle is less than 90 °, angle of wedge piece 101 rotates clockwise after the first actuator drives again, the second actuator drives preceding wedge again When cornual plate 102 rotates counterclockwise, deflected to upper right side by the emergent ray that two angle of wedge pieces project.

Angle of wedge piece 101 and preceding angle of wedge piece 102 rotate clockwise after the first actuator and the second actuator respectively drive And rotational angle is less than 90 °, angle of wedge piece 101 rotates counterclockwise after the first actuator drives again, the second actuator drives preceding wedge again When cornual plate 102 rotates clockwise, lower section deflects the emergent ray projected by two angle of wedge pieces to the left.

Angle of wedge piece 101 and preceding angle of wedge piece 102 rotate counterclockwise after the first actuator and the second actuator respectively drive And rotational angle is less than 90 °, angle of wedge piece 101 rotates clockwise after the first actuator drives again, the second actuator drives preceding wedge again When cornual plate 102 rotates counterclockwise, deflected to upper left side by the emergent ray that two angle of wedge pieces project.

Angle of wedge piece 101 and preceding angle of wedge piece 102 rotate counterclockwise after the first actuator and the second actuator respectively drive And rotational angle is less than 90 °, angle of wedge piece 101 rotates counterclockwise after the first actuator drives again, the second actuator drives preceding wedge again When cornual plate 102 rotates clockwise, deflected to upper right side by the emergent ray that two angle of wedge pieces project.

Above-mentioned regulative mode could be adjusted when rear angle of wedge piece 101 and preceding angle of wedge piece 102 being required for revert to zero-bit, this hair Bright to also proposed a kind of regulative mode, which is not necessarily to rear angle of wedge piece 101 and preceding angle of wedge piece 102 being zeroed, but directly 102 angle to be deflected of angle of wedge piece 101 and preceding angle of wedge piece after being calculated in the angle deflected.

Specifically, determine that car light needs partially according to sensors such as steering wheel angle, map, front-rear axle positions by control module The angle turned, backwards calculation go out the target location of rear angle of wedge piece 101 and preceding angle of wedge piece 102, are driven by the first actuator and second Angle of wedge piece 101 and preceding angle of wedge piece 102 be by location deflection at this stage to target location after part driving, without by rear angle of wedge piece 101 and the position of preceding angle of wedge piece 102 be returned to zero-bit.

Deflection or deflection counterclockwise are needed by target location and existing rank clockwise for angle of wedge piece 101 and preceding angle of wedge piece 102 afterwards Fragment position is calculated, and the direction of rotation that difference is less than 180 ° is chosen.The rotation angle of angle of wedge piece 101 and preceding angle of wedge piece 102 afterwards It can be realized according to reversed lookup table mode.

The headlamp regulating mechanism 100 of the embodiment of the present invention is simple in structure as a result, and car light may be implemented to any direction tune Section, the outgoing range of light is wide and easy to adjust, light deflection fast response time, improves driver and drives to experience.

The head lamp system of the embodiment of the present invention further includes the cooling system of car light.

Since the heat that the light source of traditional car light is sent out is less, general air-cooled and natural heat dissipation can meet its need It asks, but the light source of pixel type car light is laser light source, the emitter laser diode of laser light source, it has high brightness, low The advantages that power consumption, but its heat generated is also more.If ensureing its normal work, it is necessary to which designing a set of cooling system will Heat distributes.

For this purpose, the present invention proposes a kind of cooling system of car light, the cooling system of the car light can cool down car light, by vehicle The amount of heat that lamp generates distributes.

The head lamp system of the embodiment of the present invention further includes cooling system, and the cooling system of the embodiment of the present invention can be applied In the heat dissipation of projection headlamp, but not limited to this.

As shown in fig. 7, the cooling system of car light according to the ... of the embodiment of the present invention may include light source assembly coldplate, it is air-cooled Water row 129 and heat exchanger 130.

Wherein, light source assembly coldplate can cool down light source and the relevant component of light source, avoid light source assembly Temperature it is excessively high and influence its work.The light source assembly of the embodiment of the present invention includes:Light source and dmd chip, but not limited to this.

Air-cooled water row 129 is selectively connected with light source assembly coldplate to be dissipated with the heat for absorbing light source assembly coldplate It loses.Heat exchanger 130 is connected with the compressor of vehicle, and heat exchanger 130 is selectively connected with light source assembly coldplate with by light source Refrigerant of the heat transfer that component coldplate absorbs to compressor.

That is, the heat for the light source assembly that light source assembly coldplate absorbs can be lost by two kinds of approach, one Kind of approach is to pass to air-cooled water row 129, carries the cooling water of heat and air carries out heat exchange with by heat loss to air In;Another way is to pass to heat exchanger 130, carry heat cooling water and compressor low temperature refrigerant carry out heat exchange with Transfer heat to compressor.

It should be noted that the heat that light source assembly coldplate absorbs can be transferred to air-cooled water by cooling medium and arrange In 129, the heat that light source cooled plate 139 absorbs can be transferred to by cooling medium in heat exchanger 130.Light source assembly coldplate It can be connected by pipeline between air-cooled water row 129, between light source assembly coldplate and air-cooled water row 129, it is optionally, cooling Medium can be cooling water.

When the heat dissipation capacity of light source assembly is smaller, light source assembly coldplate can be connected with air-cooled water row 129, Jin Erre The water that can be cooled is measured to take air-cooled water row 129 to and be lost in air;It, can be by light when the heat dissipation capacity of light source assembly is larger Source component coldplate is connected with heat exchanger 130, and then the heat water that can be cooled that light source assembly generates takes in heat exchanger 130 And pass to refrigerant.

In general, heat dissipation effect when light source assembly coldplate is connected with heat exchanger 130 is higher than light source assembly coldplate Heat dissipation effect when being connected with air-cooled water row 129.

The cooling system of car light according to the ... of the embodiment of the present invention, by the way that the air-cooled water being connected with light source assembly coldplate is arranged Row 129 and heat exchanger 130 so that the heat of light source that light source assembly coldplate absorbs can arrange 129 or heat exchanger by air-cooled water 130 lose, and greatly reduce the temperature of light source assembly, it is ensured that light source assembly can work at a suitable temperature, at least exist The working efficiency of light source assembly is improved to a certain extent.

In some embodiments of the invention, as shown in fig. 7, light source assembly coldplate joins end to end with air-cooled water row 129 To constitute wind-cooling heat dissipating access, the first on-off valve 131 is provided on wind-cooling heat dissipating access.

When the first on-off valve 131 is opened, wind-cooling heat dissipating access conducting, cooling water can flow in wind-cooling heat dissipating access Logical, the heat for the light source assembly that light source assembly coldplate absorbs can be taken to air-cooled water row 129, air-cooled water row 129 by cooling water Heat exchange is carried out with will be in heat loss to air with air.

In some embodiments of the invention, the first water pump 132 is additionally provided on wind-cooling heat dissipating channel.First water pump 132 The circulation effect in wind-cooling heat dissipating channel can be improved so that cooling water rapidly circulates in wind-cooling heat dissipating channel, improves air-cooled The heat dissipation effect of water row 129.

In some embodiments of the invention, light source assembly coldplate joins end to end with heat exchanger 130 is dissipated with constituting water cooling The passage of heat is provided with the second on-off valve 133 on water-cooling channel.

When the second on-off valve 133 is opened, water-cooling channel conductive, cooling water can flow in water-cooling channel Logical, the heat for the light source assembly that light source cooled plate 139 absorbs can be taken to heat exchanger 130, cooling and water and refrigerant by cooling water Heat exchange is carried out in heat exchanger 130 with will be in heat loss to refrigerant.

In some embodiments of the invention, the second water pump 134 is additionally provided on water-cooling channel.Second water pump 134 The circulation effect in water-cooling channel can be improved so that cooling water rapidly circulates in water-cooling channel, improves heat exchange The heat dissipation effect of device 130.

In some embodiments of the invention, the discharge outlet of light source assembly coldplate, air-cooled water row 129 water inlet and change The water inlet of hot device 130 is connected by the first triple valve 135;The draining of the water inlet of light source assembly coldplate, air-cooled water row 129 Mouth is connected with the discharge outlet of heat exchanger 130 by the second triple valve 136.

The structure of cooling system is simplified as a result, and the heat dissipation channel where light source assembly coldplate is more succinct, at least exists The cost of cooling system is reduced to a certain extent.

Further, the first check valve 137, the second triple valve are provided between the second triple valve 136 and air-cooled water row 129 The second check valve 138 is provided between 136 and heat exchanger 130.

It is understood that the circulating direction of the first check valve 137 is cold to light source assembly for the water outlet of air-cooled water row 129 But the direction of the water inlet of plate, the circulating direction of the second check valve 138 are the water outlet of heat exchanger 130 to light source assembly coldplate Water inlet direction.

As a result, when a conducting in wind-cooling heat dissipating channel and water-cooling channel, coolant liquid will not enter air-cooled In another in heat dissipation channel and water-cooling channel.

In some embodiments of the invention, light source assembly coldplate includes the light source cooled plate for cooling down light source body 139 and the DMD cooled plates 140 for cooling down dmd chip, light source cooled plate 139 and DMD cooled plates 140 be arranged in series.

As Figure 8-9, specifically, the water outlet of DMD cooled plates 140 is connected with the water inlet of light source cooled plate 139, The water outlet of the water inlet of DMD cooled plates 140, the water outlet of air-cooled water row 129 and heat exchanger 130 passes through the second triple valve 136 It is connected, the water inlet of the water outlet of light source cooled plate 139, the water inlet of air-cooled water row 129 and heat exchanger 130 passes through the first threeway Valve 135 is connected.

DMD cooled plates 140 include water inlet connection-peg 142, water outlet connection-peg 143 and DMD cooled plates ontology 141, into water cutting Connector 142 and water outlet connection-peg 143 are connected to the cooling water channel in DMD cooled plates ontology 141 respectively, wherein connection-peg of intaking 142 and water outlet connection-peg 143 be pagoda head connector.

Pagoda head connector includes the abutting end coordinated with DMD cooled plates ontology 141 and free end, pagoda head joint body Cross-sectional area is gradually reduced on the direction from abutting end to free end, and the peripheral configuration of pagoda head connector is stepped ties Structure.Water inlet connection-peg 142 and be discharged connection-peg 143 and the cooperation difficulty of cooling water pipeline as a result, and reduced, and due into The peripheral configuration of water cutting connector 142 and water outlet connection-peg 143 is step structure, can improve water inlet connection-peg 142 and water outlet The leakproofness and stability of connection-peg 143 and cooling water pipeline cooperation.

In some embodiments of the invention, the cooling water channel of light source cooled plate 139 and DMD cooled plates 140 is configured to different Shape structure is to increase the contact area with coolant liquid.For example, the raisings such as partition board or protrusion cooling can be increased in cooling water channel The contact area of water channel.It also will be described in detail during introducing DMD cooled plates 140 and light source cooled plate 139.

The DMD cooled plates 140 and light source cooled plate 139 of the embodiment of the present invention are described below in detail, DMD cooled plates 140 can To be cooled down to dmd chip.

As Figure 7-9, DMD cooled plates 140 according to the ... of the embodiment of the present invention may include DMD cooled plates ontology 141, into Water cutting connector 142 and water outlet connection-peg 143.

Wherein, DMD cooled plates cooling duct 145 is provided in DMD cooled plates ontology 141, on DMD cooled plates ontology 141 It is provided with the DMD cooled plates water inlet being connected to 145 both ends of DMD cooled plates cooling duct and DMD cooled plate water outlets.

The setting of connection-peg 142 intake in DMD cooled plate water inlets, the setting of water outlet connection-peg 143 is discharged in DMD cooled plates Mouthful, water inlet connection-peg 142 and water outlet connection-peg 143 are pagoda head connector.

DMD cooled plates 140 according to the ... of the embodiment of the present invention are provided with the cooling of DMD cooled plates in DMD cooled plates ontology 141 Channel 145, DMD cooled plates ontology 141 can be fully cooled dmd chip.

In addition, using the water inlet connection-peg 142 and water outlet connection-peg 143 of pagoda head connector, DMD water coolings can be significantly improved The leakproofness of plate 140, and installation effectiveness is improved at least to a certain extent.

In some embodiments of the invention, as shown in Fig. 8 and Figure 17, DMD cooled plates ontology 141 includes DMD cooled plates There is opening, DMD cooled plates cover board 162 to set institute for covering for shell 144 and DMD cooled plates cover board 162, DMD cooled plates shell 144 State opening.DMD cooled plates shell 144 defines DMD cooled plates cooling duct 145 with DMD cooled plates cover board 162, works as needs It, can be easily by DMD cooled plates cover board 162 from DMD cooled plates shell 144 when being repaired to DMD cooled plates ontology 141 It disassembles, thereby reduces maintenance difficulty, improve maintenance efficiency.

Further, as shown in figure 8, be provided on DMD cooled plates shell 144 or on DMD cooled plates cover board 162 it is multiple every Plate 146, multiple partition boards 146 separate DMD cooled plates cooling duct 145.

Significantly improve the contact area of DMD cooling water channels and cooling water as a result, cooling water can preferably with DMD water Cold plate ontology 141 contacts, and improves the heat absorption capacity of DMD cooled plates 140, and DMD cooled plates 140 can absorb more from dmd chip More heat, it is ensured that dmd chip is in metastable operating temperature.

In some embodiments of the invention, as shown in figure 17, dmd chip is mounted on DMD cooled plates shell 144, tool Body, dmd chip is mounted on DMD cooled plates shell 144 on the side wall of face opening.Wherein, dmd chip and DMD cooled plates Gasket 163 is provided between shell 144.

The stability that dmd chip is mounted on DMD cooled plates shell 144 is improved as a result, and dmd chip is not easy from DMD water It falls off on cold plate shell 144.Preferably, gasket 163 includes the first gasket 164 and the second gasket 165, the first gasket 164 and the Two gaskets 165 overlap.

In some embodiments of the invention, as shown in figure 9, DMD cooled plates 140 further include protective shell 151, DMD water coolings Plate ontology 141 is arranged in protective shell 151.Thus, it is possible to protect dmd chip and DMD cooled plates ontology 141, dmd chip is avoided It is damaged by extraneous factor with DMD cooled plates 140.

Further, protective shell 151 includes protective shell ontology 152 and protection housing-plate 153, and the protection lid of housing-plate 153 is set On protective shell ontology 152,151 installation space of protective shell, DMD are limited between protective shell ontology 152 and protection housing-plate 153 Cooled plate ontology 141 is arranged in 151 installation space of protective shell.

Further, protective shell ontology 152 is fixed with protection housing-plate 153 by threaded fastener.Protective shell as a result, Ontology 152 and protection housing-plate 153 between mount and dismount installation effectiveness that is more efficient and convenient, improving protective shell 151 and Maintenance efficiency.

It is, of course, understood that other modes can also be used between protective shell ontology 152 and protection housing-plate 153 It is fixed, is not specifically limited here.

In some embodiments of the invention, DMD cooled plates ontology 141 is mounted on by fastener in optical path component.By This, DMD cooled plates 140 mount and dismount more convenient, improve the peace of DMD cooled plates ontology 141 at least to a certain extent Fill efficiency.

Further, as shown in figure 17, fastener wears DMD cooled plates ontology 141, and fastening spring is arranged on fastener 166 are separately positioned on the both sides of DMD cooled plates ontology 141 with fastening clamp spring 167 with fastening clamp spring 167, fastening spring 166, It is arranged between fastening spring 166 and fastening clamp spring 167 that is the present invention implements DMD cooled plates ontology 141.

Thus the phenomenon that fastener loosens is effectively prevented, fastener fastening DMD cooled plates ontology 141 and light path are improved The stability of component connection.

The light source cooled plate 139 of the embodiment of the present invention is described below in detail.

As shown in figs. 10-11, light source cooled plate 139 according to the ... of the embodiment of the present invention includes light source cooled plate ontology 147, institute State and be provided with light source cooled plate cooling duct 148 in light source cooled plate ontology 147, be provided on light source cooled plate ontology 147 with The light source cooled plate water inlet and light source cooled plate water outlet of 148 both ends of light source cooled plate cooling duct connection, wherein light source sheet Open mounting groove is formed on body, a part for light source is mounted in mounting groove.

Cooling water can enter in light source cooled plate cooling duct 148 from light source cooled plate water inlet, then from light source Cooled plate water outlet flows out.Light source can be directly or indirectly mounted on light source cooled plate ontology 147, light source cooled plate ontology 147 can carry out light source cooling so that light source can be maintained at suitable operating temperature.

It is formed with the open light source cooled plate mounting groove 154 in top, light source on light source cooled plate ontology 147 as shown in figure 18 At least part be mounted on light source cooled plate mounting groove 154 in.Light in light source cooled plate mounting groove 154 is set as a result, Source can obtain comprehensive cooling, improve the cooling efficiency of light source cooled plate 139 so that light source can be in suitable temperature Lower work, and then the working efficiency of light source is improved at least to a certain extent.

Light source cooled plate 139 according to the ... of the embodiment of the present invention places light source by being formed on light source cooled plate ontology 147 Light source cooled plate mounting groove 154 so that light source can be adequately cooled, and improve the cooling effect of light source cooled plate 139 Rate.

In some embodiments of the invention, light source cooled plate cooling duct 148 is set around light source cooled plate mounting groove 154 It sets.Light source cooled plate cooling duct 148 can more fully cool down light source as a result, improve light source cooled plate 139 Cooling efficiency.

In some embodiments of the invention, as shown in figure 18, light source cooled plate ontology 147 includes light source cooled plate shell 149 and light source cooled plate cover board 155, the lid of light source cooled plate cover board 155 is located on light source cooled plate shell 149.Light source cooled plate Shell can be fixed with light source cooled plate cover board 155 by threaded fastener.

Light source cooled plate cover board 155 can be easily mounted on light source cooled plate shell 149 as a result, improve light source The installation effectiveness of cooled plate ontology 147.And when needing to repair light source cooled plate 139, light source cooled plate cover board 155 can Easily to be dismantled from light source cooled plate shell 149, and then light source cooled plate ontology 147 is improved at least to a certain extent Maintenance efficiency.

Bulge-structure 150 can be provided on light source cooled plate shell 149, it is cold that bulge-structure 150 is located at light source cooled plate But 148 in water channel in, it is possible thereby to improve the contact area of cooling water and light source cooled plate cooling water channel 148, improve light source water The heat dissipation effect of cold plate shell 149.

Further, as shown in figure 18, light source cooled plate 139 further includes light source frid 156, and light source frid 156 is equipped with Another part light source is formed with light source slot on the side wall with 155 face of light source cooled plate cover board of the light source cooled plate shell Plate mounting groove, the light source frid 156 are arranged in light source frid mounting groove.Light source cooled plate ontology 147 can be to light source slot The heat of light source on plate 156 is absorbed, and is avoided the heat of light source excessively high and is influenced its job stability.

Further, multiple light sources slot 157, the part of light source and center are provided on light source frid 156 Partial 157 face of multiple light sources slot, the multiple light sources slot 157 of outer peripheral portion install described another part of light source.

That is, although the part of light source is not directly installed on light source frid 156, light source frid It is provided with multiple light sources slot 157 on 156 central part to avoid the light that the part of light source is sent out, avoids light source slot Plate 156 blocks the light that the part of light source is sent out.

In some embodiments of the invention, light source cooled plate 139 further includes light lens mounting plate component, light lens Mounting plate component is provided with multiple lens mounting holes, and multiple lens mounting holes are used for mounted lens, and multiple lens mounting holes with Multiple light sources slot 157 is correspondingly arranged.

Further, light lens mounting plate component includes light lens frid 158, the thin tabletting 159 of light lens and light Source lens pressing plate 160, light lens frid 158 are fixed on by the thin tabletting 159 of light lens and the pressing of light lens pressing plate 160 On light source frid 156.

Light lens mounting plate component is followed successively by from top to bottom:Thin 159 and of tabletting of light lens frid 158, light lens Light lens pressing plate 160.The thin tabletting 159 of light lens and light lens pressing plate 160 are primarily to when adjusting light lens Reduce influencing each other between lens and lens.

Preferably, mounting plate component holding tank corresponding with light lens mounting plate component is formed on light source frid 156. The installation of light lens mounting plate component is more firm as a result,.

In some embodiments of the invention, light source cooled plate 139 further includes control panel 161, and control panel 161 is logical with light source News connection is to control the brightness of light source.Thus, it is possible to improve the brightness of view field by changing the brightness of light source.

The cooling system of car light according to the ... of the embodiment of the present invention includes the light source cooled plate 139 of above-described embodiment, due to root According to the embodiment of the present invention car light cooling system have above-mentioned light source cooled plate 139, therefore can to light source carry out more added with Effect ground heat dissipation so that light source is maintained at relatively steadily under operating temperature.

The light source assembly of one embodiment of the invention is described below in detail.

Light source assembly according to the ... of the embodiment of the present invention includes light source 120, the parallel mirror assembly of convergence, diffusion sheet 121 and first Plus lens 122.

Wherein, as shown in figure 12, light source 120 includes central light source 120a and peripheral light source 120b, and peripheral light source 120b is set It sets in the periphery of central light source 120a, central light source 120a and peripheral light source 120b are independently controlled, that is, can be distinguished The brightness of control centre light source 120a and peripheral light source 120b, the two be independent of each other when brightness regulation.

As shown in figure 15, the light that light source 120 is sent out passes through convergence and exiting parallel after the parallel mirror assembly of convergence, that is, It says, converging parallel mirror assembly has the function of optically focused, can bring together the light of diverging, promotes the brightness of light;Together When can light ray parallel be emitted.

It is emitted from the light that parallel mirror assembly goes out is converged by diffusion sheet 121, diffusion sheet 121 can so that light is more equal It is even, it avoids the brightness of regional area excessively high and influences car light irradiation effect.

The light being emitted from diffusion sheet 121 is emitted after the first plus lens 122, and the first plus lens 122 can be right The light being emitted from diffusion sheet 121 is converged.

What wherein peripheral light source 120b was emitted after converging parallel mirror assembly, diffusion sheet 121 and the first plus lens 122 Light is emitted to central area, and central light source 120a is by converging parallel mirror assembly, diffusion sheet 121 and the first plus lens 122 The light being emitted afterwards is emitted to outer region.

Light source assembly according to the ... of the embodiment of the present invention, central light source 120a and peripheral light source 120b can be carried out individually Control, can be independent of each other, and then can divide when the brightness in central light source 120a and peripheral light source 120b is adjusted Not Tiao Zheng illumination central area brightness and illumination peripheral region brightness so that illumination central area brightness and illumination periphery The brightness in region, which respectively meets use, to be required.

In some embodiments of the invention, as shown in figure 15, it includes 123 He of the second plus lens to converge parallel mirror assembly The light that concavees lens 124, central light source 120a and peripheral light source 120b are sent out is emitted by the convergence of the second plus lens 123, from The light of second plus lens 123 outgoing passes through 124 exiting parallel of concavees lens.

Light source assembly according to the ... of the embodiment of the present invention further includes cylindrical mirror 125, the light being emitted from the first plus lens 122 It is emitted by cylindrical mirror 125.Cylindrical mirror 125 can suitably converge light, when the light being emitted from the first plus lens 122 not When meeting requirement, cylindrical mirror 125 may be used and adjusted again.

In some embodiments of the invention, at least one of central light source 120a and peripheral light source 120b is fiber coupling Laser light source.

Specifically, central light source 120a is optical fiber-coupled laser light source, and optical fiber-coupled laser light source includes central light source sheet Body and optical fiber, central light source ontology, which is arranged in one end of optical fiber, optical fiber, has light path transmission channels, and central light source ontology is sent out Light on the wall of light path transmission channels after multiple reflections from the other end of light be emitted.

Central light source 120a uses optical fiber-coupled laser light source, it is possible to reduce the loss of light reduces energy consumption, and at least The brightness of central light source 120a is improved to a certain extent.

In some embodiments of the invention, the adjustable color of central light source 120a and peripheral light source 120b.For example, working as vehicle The greasy weather when driving, thus it is possible to vary the colour temperature of central light source 120a and peripheral light source 120b so that central light source 120a and week The colour temperature of marginal ray source 120b is partially yellow, and the light that light source assembly is sent out has stronger penetrability.

Further, central light source 120a and peripheral light source 120b is three primary colors laser light source.

Specifically, as shown in Figs. 13 and 14, each in central light source 120a and peripheral light source 120b includes red Laser diode 126, green laser diode 127 and blue laser diode 128.By adjust red laser diode 126, Green laser diode 127 and 128 respective brightness of blue laser diode or the number lighted adjust central light source 120a With the colour temperature of the peripheral light source 120b light sent out.

More specifically, peripheral light source 120b includes multiple red laser diodes 126, multiple green laser diodes 127 With multiple blue laser diodes 128.Wherein, multiple green laser diodes 127 are arranged in the inside of peripheral light source 120b, more A red laser diode 126 is arranged in the outside of peripheral light source 120b, and multiple blue laser diodes 128 are arranged multiple green Between color laser diode 127 and multiple red laser diodes 126.The colour temperature for the light that peripheral light source 120b is sent out as a result, More uniformly, the overall effect of car light beam projecting is improved.

The quantity of red laser diode 126 is n1, and the quantity of green laser diode 127 is n2, two pole of blue laser The quantity of pipe 128 is n3, and n1, n2 and n3 meet following relational expression:(14~18): (6~10): (1~5).

Central light source 120a includes multiple red laser diodes 126, multiple green laser diodes 127 and multiple blues Laser diode 128.Wherein, the inside of 127 centrally disposed light source 120a of multiple green laser diodes, multiple red lasers The outside of 126 centrally disposed light source 120a of diode, multiple blue laser diodes 128 are arranged in two pole of multiple green lasers Between pipe 127 and multiple red laser diodes 126.The colour temperature for the light that central light source 120a is sent out as a result, is more uniform, carries The overall effect of car light beam projecting is risen.

In some embodiments of the invention, red laser diode 126, green laser diode 127 and blue laser The power adjustable of diode 128.Thus, it is possible to by adjusting red laser diode 126, green laser diode 127 and indigo plant The power of color laser diode 128 adjusts two pole of red laser diode 126, green laser diode 127 and blue laser The brightness of pipe 128.

Optionally, in peripheral light source 120b and central light source 120a, multiple red laser diodes 126 are lighted Number is variable, multiple green laser diodes 127 to light number variable, multiple blue laser diodes 128 It is variable to light number.

That is, each red laser diode 126, each green laser diode 127 and each blue laser two Pole pipe 128 can be controlled individually, from there through control diode light and extinguishes adjust central light source 120a with The colour temperature for the light that peripheral light source 120b is sent out.

The light source assembly of another embodiment of the present invention is described below in detail.

Light source assembly according to the ... of the embodiment of the present invention includes that light source, the parallel mirror assembly of convergence, diffusion sheet and the first convergence are saturating Mirror.

Wherein, as shown in figure 16, light source includes central light source 120a and peripheral light source 120b, central light source 120a and periphery Light source 120b is independently controlled, that is, can distinguish the brightness of control centre light source 120a and peripheral light source 120b, the two Be independent of each other when brightness regulation.

The light that light source is sent out passes through convergence and exiting parallel after the parallel mirror assembly of convergence, that is to say, that convergence paralleloscope Component has the function of optically focused, can bring together the light of diverging, promotes the brightness of light;It can make light simultaneously Exiting parallel.

It is emitted from the light that parallel mirror assembly goes out is converged by diffusion sheet, diffusion sheet can so that light is more uniform, keeps away The brightness for exempting from regional area is excessively high and influences car light irradiation effect.

The light that central light source 120a is emitted after converging parallel mirror assembly, diffusion sheet and the first plus lens is to center Region is emitted, and peripheral light source 120b is emitted to the outer region around central area, and wherein peripheral light source 120b is LED light source.

Peripheral light source 120b is the overall power that LED light source can reduce light source assembly, and in order to avoid LED light source is sent out Light in transmittance process excessive loss, LED light source can be placed on to a series of rear of lens or a series of lens Around terminal lens.

In some embodiments of the invention, it includes the second plus lens and concavees lens, center light to converge parallel mirror assembly For the light that source 120a is sent out by the convergence outgoing of the second plus lens, the light being emitted from the second plus lens is flat by concavees lens Row outgoing.

Light source assembly according to the ... of the embodiment of the present invention further includes cylindrical mirror, and the light being emitted from the first plus lens passes through column Face mirror outgoing.Cylindrical mirror can suitably converge light, when the light being emitted from the first plus lens is unsatisfactory for requirement, Cylindrical mirror may be used to be adjusted again.

In some embodiments of the invention, central light source 120a is laser light source.

Further, central light source 120a is three primary colors laser light source.

Specifically, as shown in figure 14, central light source 120a includes red laser diode 126, green laser diode 127 With blue laser diode 128.By adjusting red laser diode 126, two pole of green laser diode 127 and blue laser 128 respective brightness of pipe or the number lighted adjust the light color temperature that central light source 120a and peripheral light source 120b are sent out.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples It closes and combines.

Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changes, replacing and modification.

Claims

1. a kind of cooling system of car light, which is characterized in that including:

Air-cooled water arranges (129), and the air-cooled water row (129) is selectively connected with the light source assembly coldplate with by the light The heat loss that source component coldplate absorbs;

Heat exchanger (130), the heat exchanger (130) are connected with the compressor of vehicle, the heat exchanger (130) selectively with institute State the refrigerant that light source assembly coldplate is connected with the heat transfer that absorbs the light source assembly coldplate to the compressor.

2. the cooling system of car light according to claim 1, which is characterized in that the light source assembly coldplate with it is described air-cooled Water row (129) joins end to end to constitute wind-cooling heat dissipating access, and the first on-off valve (131) is provided on the wind-cooling heat dissipating access.

3. the cooling system of car light according to claim 2, which is characterized in that be additionally provided on the wind-cooling heat dissipating access One water pump (132).

4. the cooling system of car light according to claim 3, which is characterized in that the light source assembly coldplate and the heat exchange Device (130) joins end to end to constitute water-cooling channel, and the second on-off valve (133) is provided on the water-cooling channel.

5. the cooling system of car light according to claim 4, which is characterized in that be additionally provided on the water-cooling channel Two water pumps (134).

6. the cooling system of car light according to claim 1, which is characterized in that the discharge outlet of the light source assembly coldplate, The water inlet of the air-cooled water row (129) is connected with the water inlet of the heat exchanger (130) by the first triple valve (135);

The water inlet of the light source assembly coldplate, the air-cooled water arrange the row of the discharge outlet and the heat exchanger (130) of (129) The mouth of a river is connected by the second triple valve (136).

7. the cooling system of car light according to claim 6, which is characterized in that second triple valve (136) and the wind It is provided with the first check valve (137) between cold water row (129), between second triple valve (136) and the heat exchanger (130) It is provided with the second check valve (138).

8. the cooling system of car light according to claim 1, which is characterized in that the light source assembly coldplate includes:For The light source cooled plate (139) of cooling light source body and the DMD cooled plates (140) for cooling down dmd chip, the light source cooled plate (139) it is arranged in series with the DMD cooled plates (140).

9. the cooling system of car light according to claim 8, which is characterized in that the DMD cooled plates (140) include:Water inlet Connection-peg (142), water outlet connection-peg (143) and DMD cooled plates ontology (141), the water inlet connection-peg (142) and the water outlet Connection-peg (143) is connected to the cooling water channel in the DMD cooled plates ontology (141) respectively, wherein the water inlet connection-peg (142) and the water outlet connection-peg (143) is pagoda head connector.

10. the cooling system of car light according to claim 8, which is characterized in that the light source cooled plate (139) and described The cooling water channel of DMD cooled plates (140) is contact area of the polymorphic structure to increase with coolant liquid.