CN110131675A - Cooling unit and lamps apparatus for vehicle - Google Patents
Cooling unit and lamps apparatus for vehicle Download PDFInfo
- Publication number
- CN110131675A CN110131675A CN201910095976.4A CN201910095976A CN110131675A CN 110131675 A CN110131675 A CN 110131675A CN 201910095976 A CN201910095976 A CN 201910095976A CN 110131675 A CN110131675 A CN 110131675A
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- China
- Prior art keywords
- cooling unit
- heat
- peltier
- outside
- vehicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
- F21S45/48—Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/54—Cooling arrangements using thermoelectric means, e.g. Peltier elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
- F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
There is provided it is a kind of can the temperature to the inner space of shell carry out cooling cooling unit.Cooling unit (10) cools down the temperature in lamp house (106).Cooling unit (10) has outside heat sink (12) and Peltier's element (14), the outside heat sink (12) is configured to expose plate radiating plate (12c) to the external of lamp house (106), which has the radiating surface (14b) for absorbing the heat-absorbent surface (14a) of heat from the air in lamp house (106) and distributing the outside side radiator of heat (12) absorbed by heat-absorbent surface (14a).
Description
Technical field
The present invention relates to cooling unit and the lamps apparatus for vehicle of the cooling unit is used.
Background technique
In the past, there is known use the vehicles of the semiconductor light-emitting elements as light source such as LED (Light Emitting Diode)
With lamps and lanterns.In the case where using light source of the semiconductor light-emitting elements as lamps apparatus for vehicle, need by sharp to greatest extent
Luminous with semiconductor light-emitting elements meets light quantity rank required by lamps apparatus for vehicle.
Generally, generating heat if supplying biggish electric current to semiconductor light-emitting elements to obtain high output will increase,
But luminous efficiency can reduce if making element be in high temperature because of fever.Therefore, in order to from semiconductor light-emitting elements
Heat efficiently radiates, and proposes the heat-dissipating structure of various lamps apparatus for vehicle (referring for example to patent document 1).
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2006-286395 bulletin
Summary of the invention
Problems to be solved by the invention
In the past, although proposing the technology largely to radiate to the heat from semiconductor light-emitting elements,
In the lamp house of lamps apparatus for vehicle, in addition to semiconductor light-emitting elements, it is also possible to configure the lower device of heat resisting temperature.Therefore,
Want to the indoor temperature of lamp of cooling lamps apparatus for vehicle.
The present invention completes in view of the foregoing, it is intended that provide can temperature to the inner space of shell into
The cooling cooling unit of row and the lamps apparatus for vehicle for having used the cooling unit.
The means solved the problems, such as
To solve the above-mentioned problems, the cooling unit of one embodiment of the present invention is the temperature to the inner space of shell
Degree carries out cooling cooling unit, which has outside heat sink and Peltier's element, outside heat sink configuration
Expose for part to the external of shell, which, which has, absorbs the heat-absorbent surface of heat from the inner space of shell and will lead to
Cross the radiating surface that the outside side radiator of heat of heat-absorbent surface absorption distributes.
Interior side radiator can be also equipped with, the interior side radiator receive the heat of the inner space of shell and by the heat to
The heat-absorbent surface of Peltier's element conducts.
It can be also equipped with to the thermally conductive heat insulating component blocked between outside heat sink and interior side radiator.
Can be also equipped with the heat-absorbent surface towards Peltier's element blow shell inner space air inside fan.
In the air of the inner space of suction casing can be also equipped with and blow to defined direction the air
Crosswind fan.
Can be also equipped with the external exposed division towards outside heat sink blow shell outside air outside fan.
The wet absorbent that moisture absorption is carried out to the condensed water generated in the inner space of shell can be also equipped with.
Wet absorbent can be configured at the week with the surface of the surface opposite side of Peltier's element side in interior side radiator
On edge.
Other modes of the invention are related to a kind of having lamp in the lamp body inner containment for including outer lens and lamp main body and being formed
Has the lamps apparatus for vehicle of unit.The lamps apparatus for vehicle, which has, carries out cooling above-mentioned cooling unit to the temperature inside lamp body.
Invention effect
In accordance with the invention it is possible to provide can the temperature to the inner space of shell carry out cooling cooling unit and make
With the lamps apparatus for vehicle of the cooling unit.
Detailed description of the invention
Fig. 1 is the schematic cross sectional view for being equipped with the lamps apparatus for vehicle of cooling unit involved in embodiments of the present invention.
Fig. 2 is the summary section view for being equipped with the lamps apparatus for vehicle of cooling unit involved in other embodiments of the invention
Figure.
Fig. 3 is to be equipped with the summary of the lamps apparatus for vehicle of cooling unit involved in other embodiment of the invention to cut open
View.
Fig. 4 is to be equipped with the summary of the lamps apparatus for vehicle of cooling unit involved in other embodiment of the invention to cut open
View.
Fig. 5 is to be equipped with the summary of the lamps apparatus for vehicle of cooling unit involved in other embodiment of the invention to cut open
View.
Fig. 6 is to be equipped with the summary of the lamps apparatus for vehicle of cooling unit involved in other embodiment of the invention to cut open
View.
Fig. 7 is to be equipped with the summary of the lamps apparatus for vehicle of cooling unit involved in other embodiment of the invention to cut open
View.
Fig. 8 is to be equipped with the summary of the lamps apparatus for vehicle of cooling unit involved in other embodiment of the invention to cut open
View.
Description of symbols
10,20,30,40,50,60,70,80: cooling unit；12: outside heat sink；14: Peltier's element；22: inside
Radiator；30: cooling unit；32,62: inside fan；52: external fan；64: air duct；73: wet absorbent；82: heat insulating component；
100,200,300,400,500,600,700,800: lamps apparatus for vehicle；102: lamp main body；104: outer lens；106: lamp house；
108: lamp unit；110:LED；120: plate radiating plate.
Specific embodiment
Hereinafter, cooling unit involved in embodiments of the present invention is described in detail referring to attached drawing.The cooling
Unit can cool down the temperature of the inner space of closed shell.In the following description, it is applied to by cooling unit
The case where lamps apparatus for vehicle, is illustrated.In addition, in the present specification using "upper", "lower", "front", "rear", "left", "right",
In the case that "inner", "outside" etc. indicate the term in direction, above-mentioned term refers to posture when lamps apparatus for vehicle is assemblied in vehicle
Under direction.
Fig. 1 is to be equipped with the summary of the lamps apparatus for vehicle 100 of cooling unit 10 involved in embodiments of the present invention to cut open
View.As shown in Figure 1, lamps apparatus for vehicle 100 is configured to accommodate the lamp using semiconductor light-emitting elements as light source in lamp house 106
Have unit 108, the lamp house 106 be configured to include front opening resin lamp main body 102 and formed by translucent material
And the outer lens 104 for covering the front air-tightness of lamp main body 102.
Lamp unit 108 is the lamp unit of so-called porjection type, uses LED as light source.In the example in the figures, exist
There is a lamp unit 108 in lamp house 106, but multiple lamp units 108 can also be set in lamp house 106.
Lamp unit 108 has LED110, reflecting element 114, supporting member 116 and projecting lens 118.LED110 is
LED chip 113 is mounted on White LED made of on circuit substrate 112.LED110 is set as that light emission is made to go out direction direction and lamp
It is located on optical axis Ax in the state of the direction at right angle optical axis Ax of tool unit 108.Match via what is formed on circuit substrate 112
Line pattern powers to LED110.
Reflecting element 114 forms semidome shape for example, by using polycarbonate, and is configured at the top of LED110.In reflecting element
On the surface of 114 inside, have so that the light from LED110 carries out light gathering reflector with gathering towards front and to optical axis Ax
Reflecting surface.
Projecting lens 118 by front side surface is convex surface and rear side surface is that the plano-convex non-spherical lens of plane is constituted,
And so that the light source picture being formed in rear side focus face is become inverted image and irradiate forwards.Supporting member 116 by based on aluminium at
Point the casting that carries out of metal formed, be fixedly installed with LED110 and reflecting element 114, the reflecting element on the upper surface of which
114 have the reflecting surface on the basis of oval calotte.
On the rear side end of supporting member 116, erects in parallel be provided with multiple flat plate radiations at a prescribed interval
Piece 120.Plate radiating plate 120 is formed as being extended direction towards vertical direction.The extended direction of plate radiating plate 120
Refer to the length direction of plate radiating plate 120.Plate radiating plate 120 makes sky of the heat generated from LED110 into lamp house 106
It is distributed in gas.
Lamp unit 108 is installed in lamp main body 102 in a manner of it can fascinate unshowned supporting member, with
So that the light that lamp unit 108 projects is irradiated to the front of lamps apparatus for vehicle 100.In the present embodiment, lamp unit 108 is set
It is placed near the center of lamp house 106.
Lamps apparatus for vehicle 100, which has, carries out cooling cooling unit 10 to the temperature in lamp house 106.As shown in Figure 1, cooling
Unit 10 has outside heat sink 12, Peltier's element 14 and is controlled the electric current of supply to Peltier's element 14
Current control unit (not shown).Cooling unit 10 is installed on the lower surface 102a of lamp main body 102 in the present embodiment, still
The rear surface 102b in lamp main body 102 also can be set, on the 102c of upper surface in cooling unit 10.In the lower surface of lamp main body 102
It is formed with hole portion 102d on 102a, cooling unit 10 is assemblied on the 102a of lower surface in a manner of blocking hole portion 102d.
Outside heat sink 12 has base portion 12a and stands up multiple on the lower surface 12b of base portion 12a
Plate radiating plate 12c.Outside heat sink 12 is fixed on lamp in a manner of exposing plate radiating plate 12c to the outside of lamp house 106
On the lower surface 102a of main body 102.In the present embodiment, outside heat sink 12 is fixed on lamp main body 102 by screw 13
On the 102a of lower surface, but fixing means is not particularly limited.In the lower surface that outside heat sink 12 is fixed on to lamp main body 102
After 102a, the upper surface 12d of the base portion 12a of outside heat sink 12 is via the hole portion 102d of lamp main body 102 and towards lamp house 106
Inner space.
Peltier's element 14 is configured on the upper surface 12d of the base portion 12a of outside heat sink 12.Peltier's element 14 is
Make heat from the semiconductor element of the mobile plate in the face towards another party of a side by circulating current.Peltier's element
14 according to the direction of electric current flowing come regulation heat-absorbent surface and radiating surface.In the present embodiment, it powers to Peltier's element 14, with
So that the upper surface of the Peltier's element 14 facing with lamp house 106 is formed as absorbing heat from the inner space of lamp house 106
Heat-absorbent surface 14a, and the lower surface of the Peltier's element 14 facing with the upper surface 12d of the base portion 12a of outside heat sink 12
Be formed as the radiating surface 14b for distributing the outside side radiator 12 of the heat absorbed by heat-absorbent surface 14a.Peltier's element 14 dissipates
Hot face 14b can be connected on the upper surface 12d of base portion 12a, can also be in the radiating surface 14b and pedestal of Peltier's element 14
Thermal conductivity piece etc. is accompanied between the upper surface 12d of portion 12a.
The course of work of the cooling unit 10 constituted as described above is illustrated.In Fig. 1, solid arrow indicates heat
The flowing of amount.If powering to Peltier's element 14 so that upper surface is formed as heat-absorbent surface 14a, lower surface is formed as radiating surface
14b, then Peltier's element 14 absorbs heat from the air in lamp house 106 by heat-absorbent surface 14a, and by the heat from radiating surface
14b is distributed.The heat distributed from the radiating surface 14b of Peltier's element 14 is conducted to the base portion 12a of outside heat sink 12, and from
Plate radiating plate 12c is distributed to the outside of lamp house 106.
In this way, by the way that cooling unit 10 involved in present embodiment is applied to lamps apparatus for vehicle 100, it can be to lamp house
Temperature in 106 carries out mandatory cooling.It is possible to that camera shooting is arranged in lamp house along with the multifunction of lamps apparatus for vehicle
The electronic devices such as machine, various sensors, DMD (Digital Mirror Device), but the heat resisting temperature of these electronic devices
It is possible that not too much high.Temperature in lamp house 106 is often because the fever of the LED110 from lamp unit 108, above-mentioned electronics fill
The fever set etc. and form high temperature, but come by using cooling unit 10 so that the temperature in lamp house 106 reduces, can will be resistance to
The not too much high electronic device of hot temperature is also configured in lamp house 106.
Fig. 2 be equipped with cooling unit 20 involved in other embodiments of the invention lamps apparatus for vehicle 200 it is general
Want cross-sectional view.For constituent element identical or corresponding with above embodiment, identical appended drawing reference is marked, and suitably
The repetitive description thereof will be omitted.
Cooling unit 20 involved in present embodiment is being gone back other than outside heat sink 12 and Peltier's element 14
It is different from cooling unit 10 shown in FIG. 1 to have interior 22 this point of side radiator.Interior side radiator 22 have base portion 22a, with
And stand up multiple plate radiating plate 22c on the upper surface 22b of base portion 22a.Interior side radiator 22 is so that base portion
The mode that the lower surface 22d of 22a is connected on the heat-absorbent surface 14a of Peltier's element 14 is configured on Peltier's element 14.Alternatively,
Thermal conductivity piece etc. can also be accompanied between the lower surface 22d of base portion 22a and the heat-absorbent surface 14a of Peltier's element 14.
The course of work of the cooling unit 20 constituted as described above is illustrated.In Fig. 2, solid arrow indicates heat
The flowing of amount.In the present embodiment, it also powers to Peltier's element 14, so that upper surface is formed as heat-absorbent surface 14a, following table
Face is formed as radiating surface 14b.Newly-installed interior side radiator 22 receives the heat of the air in lamp house 106 in the present embodiment
Amount, and the heat is conducted to the heat-absorbent surface 14a of Peltier's element 14.Peltier's element 14 is dissipated by heat-absorbent surface 14a from inside
Hot device 22 absorbs heat, and the heat is distributed from radiating surface 14b.The heat distributed from the radiating surface 14b of Peltier's element 14
It conducts to the base portion 12a of outside heat sink 12, and is distributed from plate radiating plate 12c to the outside of lamp house 106.
In this way, also can in the case where cooling unit 20 involved in present embodiment is applied to lamps apparatus for vehicle 200
Enough temperature in lamp house 106 carry out mandatory cooling.As a result, electronic device that can be not too much high by heat resisting temperature
It is configured in lamp house 106.
Fig. 3 is the lamps apparatus for vehicle 300 for being equipped with cooling unit 30 involved in other embodiment of the invention
Schematic cross sectional view.For constituent element identical or corresponding with above embodiment, identical appended drawing reference is marked, and appropriate
The repetitive description thereof will be omitted on ground.
Cooling unit 30 involved in present embodiment is being gone back other than outside heat sink 12 and Peltier's element 14
On this point of having inside fan 32 is different from cooling unit 10 shown in FIG. 1.Inside fan 32 is will be from the sky axially sucked
Gas is along the aerofoil fan being axially discharged.Inside fan 32 is configured to blow lamp house 106 towards the heat-absorbent surface 14a of Peltier's element 14
Interior air.Inside fan 32 is supported on the top of Peltier's element 14 by unshowned supporting member.
The course of work of the cooling unit 30 constituted as described above is illustrated.In Fig. 3, solid arrow indicates heat
The flowing of amount, hollow arrow indicate the flowing of air.In the present embodiment, it also powers to Peltier's element 14, so that on
Surface is formed as heat-absorbent surface 14a, lower surface is formed as radiating surface 14b.In the present embodiment, by inside fan 32 by lamp house
Air in 106 is blowed to the heat-absorbent surface 14a of Peltier's element 14.Peltier's element 14 passes through heat-absorbent surface 14a from the sky blown
Heat is absorbed in gas, and the heat is distributed from radiating surface 14b.The heat distributed from the radiating surface 14b of Peltier's element 14 passes
It is directed at the base portion 12a of outside heat sink 12, and the heat is distributed from plate radiating plate 12c to the outside of lamp house 106.
In this way, also can in the case where cooling unit 30 involved in present embodiment is applied to lamps apparatus for vehicle 300
Enough temperature in lamp house 106 carry out mandatory cooling.As a result, electronic device that can be not too much high by heat resisting temperature
It is configured in lamp house 106.
In addition, in the present embodiment, passing through heat exchange by the air that inside fan 32 is blowed to Peltier's element 14
And it cools down.Since the air after cooling flows in lamp house 106 along the inner surface of outer lens 104, lamp main body 102,
The larger range of lamp house 106 can be cooled down.
Fig. 4 is the lamps apparatus for vehicle 400 for being equipped with cooling unit 40 involved in other embodiment of the invention
Schematic cross sectional view.For constituent element identical or corresponding with above embodiment, identical appended drawing reference is marked, and appropriate
The repetitive description thereof will be omitted on ground.
Cooling unit 40 involved in present embodiment is dissipated in addition to outside heat sink 12, Peltier's element 14 and inside
On this point of inside fan 32 are also equipped with other than hot device 22 is different from cooling unit 20 shown in Fig. 2.Inside fan 32 is axis stream
Fan, and be configured to blow the air in lamp house 106 towards interior side radiator 22.Interior side radiator 22 is configured to plate radiating plate
Front-rear direction of the extended direction of 22c towards lamps apparatus for vehicle 400.
The course of work of the cooling unit 40 constituted as described above is illustrated.In Fig. 4, solid arrow indicates heat
The flowing of amount, hollow arrow indicate the flowing of air.In the present embodiment, it also powers to Peltier's element 14, so that on
Surface is formed as heat-absorbent surface 14a, lower surface is formed as radiating surface 14b.In the present embodiment, by inside fan 32 by lamp house
Air in 106 is blowed to interior side radiator 22.Interior side radiator 22 receives the heat of the air blown by inside fan 32,
And the heat is conducted to the heat-absorbent surface 14a of Peltier's element 14.Peltier's element 14 passes through heat-absorbent surface 14a from interior side radiator
22 absorb heat, and the heat is distributed from radiating surface 14b.The heat conduction distributed from the radiating surface 14b of Peltier's element 14
To the base portion 12a of outside heat sink 12, and distributed from plate radiating plate 12c to the outside of lamp house 106.
In this way, also can in the case where cooling unit 40 involved in present embodiment is applied to lamps apparatus for vehicle 400
Enough temperature in lamp house 106 carry out mandatory cooling.As a result, electronic device that can be not too much high by heat resisting temperature
It is configured in lamp house 106.
In addition, in the present embodiment, passing through heat exchange by the air that inside fan 32 is blowed to interior side radiator 22
And it cools down.Since the air after cooling flows in lamp house 106 along the inner surface of outer lens 104, lamp main body 102,
The larger range of lamp house 106 can be cooled down.
Fig. 5 is the lamps apparatus for vehicle 500 for being equipped with cooling unit 50 involved in other embodiment of the invention
Schematic cross sectional view.For constituent element identical or corresponding with above embodiment, identical appended drawing reference is marked, and appropriate
The repetitive description thereof will be omitted on ground.
Cooling unit 50 involved in present embodiment is being gone back other than outside heat sink 12 and Peltier's element 14
It is different from cooling unit 10 shown in FIG. 1 to have on this point of external fan 52 for the outside for being configured at lamp house 106.External fan
52 be aerofoil fan, by the air of the outside of lamp house 106 towards the external exposed division of outside heat sink 12, i.e. towards flat plate radiation
Piece 12c, base portion 12a lower surface 12b blowed.Outside heat sink 12 is configured to being extended for plate radiating plate 12c
Front-rear direction of the direction towards lamps apparatus for vehicle 500.
The course of work of the cooling unit 50 constituted as described above is illustrated.In Fig. 5, solid arrow indicates heat
The flowing of amount, hollow arrow indicate the flowing of air.In the present embodiment, it also powers to Peltier's element 14, so that on
Surface is formed as heat-absorbent surface 14a, lower surface is formed as radiating surface 14b.In the present embodiment, with cooling unit shown in FIG. 1
10 similarly, absorbs heat from the air in lamp house 106 by the heat-absorbent surface 14a of Peltier's element 14, and by the heat from dissipating
Hot face 14b is distributed.The heat distributed from the radiating surface 14b of Peltier's element 14 is conducted to the base portion 12a of outside heat sink 12,
And it is distributed from plate radiating plate 12c to the outside of lamp house 106.Here, in the cooling unit 50 involved in present embodiment, by
In being blowed the air of the outside of lamp house 106 to the plate radiating plate 12c etc. of outside heat sink 12 by external fan 52, therefore
It can promote the heat exchange in outside heat sink 12, and improve radiating efficiency.
It can also be to cooling unit 20 shown in Fig. 2, cooling unit shown in Fig. 3 30 and cooling unit shown in Fig. 4
40 setting external fans 52.In the case where external fan 52 is set to above embodiment, radiating efficiency also can be improved.
Fig. 6 is the lamps apparatus for vehicle 600 for being equipped with cooling unit 60 involved in other embodiment of the invention
Schematic cross sectional view.For constituent element identical or corresponding with above embodiment, identical appended drawing reference is marked, and appropriate
The repetitive description thereof will be omitted on ground.
Cooling unit 60 involved in present embodiment is dissipated in addition to outside heat sink 12, Peltier's element 14 and inside
On this point of being also equipped with inside fan 62 and air duct 64 other than hot device 22 is different from cooling unit 20 shown in Fig. 2.Interior crosswind
Fan 62 is centrifugal fan, sucks the air in lamp house 106, and blow from exhaust outlet 62a.Wind is connected in exhaust outlet 62a
Road 64.Air duct 64 is in a manner of guiding the air from exhaust outlet 62a to the plate radiating plate 120 of lamp unit 108
Extend.Interior side radiator 22 is configured to the extended direction of plate radiating plate 22c towards the front and back of lamps apparatus for vehicle 600
To.
The course of work of the cooling unit 60 constituted as described above is illustrated.In Fig. 6, solid arrow indicates heat
The flowing of amount, hollow arrow indicate the flowing of air.In the present embodiment, it also powers to Peltier's element 14, so that on
Surface is formed as heat-absorbent surface 14a, lower surface is formed as radiating surface 14b.In the present embodiment, pass through 62 inhalation light of inside fan
Air in room 106, and convey the air to the plate radiating plate 120 of lamp unit 108 via air duct 64.In the air stream
During dynamic, the inside side radiator 22 of the heat of air is conducted by heat exchange.Pass through the heat-absorbent surface 14a of Peltier's element 14
To absorb the received heat of interior side radiator 22, and it is distributed from radiating surface 14b.From the radiating surface of Peltier's element 14
The heat that 14b is distributed is conducted to the base portion 12a of outside heat sink 12, and is dissipated from plate radiating plate 12c to the outside of lamp house 106
Hair.
In this way, also can in the case where cooling unit 60 involved in present embodiment is applied to lamps apparatus for vehicle 600
Enough temperature in lamp house 106 carry out mandatory cooling.As a result, electronic device that can be not too much high by heat resisting temperature
It is configured in lamp house 106.
In addition, in the present embodiment, by inside fan 62, by the air cooled down by heat exchange via wind
Road 64 is blowed to the plate radiating plate 120 of lamp unit 108.It is cold due to that can be carried out to plate radiating plate 120 as a result,
But, therefore it can be improved the radiating efficiency of lamp unit 108.
In the present embodiment, by the air cooled down by heat exchange to the plate radiating plate of lamp unit 108
120 are blowed, but air after cooling can also be blowed to other devices being configured in lamp house 106.
It can also be to cooling unit 10 shown in FIG. 1, the setting of cooling unit shown in fig. 5 50 inside fan 62.Will in
In the case that crosswind fan 62 is set to above embodiment, radiating efficiency also can be improved.
Fig. 7 is the lamps apparatus for vehicle 700 for being equipped with cooling unit 70 involved in other embodiment of the invention
Schematic cross sectional view.For constituent element identical or corresponding with above embodiment, identical appended drawing reference is marked, and appropriate
The repetitive description thereof will be omitted on ground.
In the same manner as cooling unit 20 shown in Fig. 2, cooling unit 70 involved in present embodiment has outside heat dissipation
It device 12, the Peltier's element 14 being configured on the base portion 12a of outside heat sink 12 and is configured on Peltier's element 14
Interior side radiator 22.As shown in fig. 7, can also be in the base portion 22a of interior side radiator 22 and the heat-absorbent surface of Peltier's element 14
Thermal conductivity piece 71 is configured between 14a.Alternatively, it is also possible in the base portion 12a of outer side radiator 12 and Peltier's element 14
Thermal conductivity piece 72 is configured between radiating surface 14b.
Cooling unit 70 involved in present embodiment is also equipped with wet absorbent 73.The wet absorbent 73 is produced in lamp house 106
Raw condensed water carries out moisture absorption.As wet absorbent 73, such as it can use the component being made of zeolite, but not limited to this.
Wet absorbent 73 is configured at opposite with surface (i.e. the lower surface 22d) of 14 side of Peltier's element in interior side radiator 22
On the peripheral part on the surface (i.e. upper surface 22b) of side.As shown in Figure 7, it is preferred that wet absorbent 73 is configured to surround multiple flat
Around plate cooling fin 22c.Wet absorbent 73 can be configured on the upper surface 22b of base portion 22a, can also be in upper surface 22b
Upper setting groove, and wet absorbent 73 is configured in the groove.Groove can also be configured on the peripheral part of upper surface 22b.
The course of work of the cooling unit 70 constituted as described above is illustrated.In the present embodiment, also to amber
Ear note element 14 is powered, so that upper surface is formed as heat-absorbent surface 14a, lower surface is formed as radiating surface 14b.Interior side radiator 22
The heat of the air in lamp house 106 is received, and the heat is conducted to the heat-absorbent surface 14a of Peltier's element 14.Peltier's element
14 absorb heat from interior side radiator 22 by heat-absorbent surface 14a, and the heat is distributed from radiating surface 14b.From Peltier's element
The heat that 14 radiating surface 14b is distributed is conducted to the base portion 12a of outside heat sink 12, and from plate radiating plate 12c to lamp house
106 outside distributes.
Here, it is therefore possible to radiate in inside since the temperature of interior side radiator 22 is lower than the air in lamp house 106
Condensed water is generated on the surface (the especially surface of plate radiating plate 22c) of device 22.In the present embodiment, due to passing through moisture absorption
Body 73 carries out moisture absorption, therefore the situation that can prevent drop from contacting with Peltier's element 14 to the condensed water.In order to make peltier
Element 14 ideally works and it is preferred that above content.In addition, by the way that wet absorbent 73 to be configured on the peripheral part of upper surface 22b,
It can prevent drop from dripping downwards from upper surface 22b.
Fig. 8 is the lamps apparatus for vehicle 800 for being equipped with cooling unit 80 involved in other embodiment of the invention
Schematic cross sectional view.For constituent element identical or corresponding with above embodiment, identical appended drawing reference is marked, and appropriate
The repetitive description thereof will be omitted on ground.
In the same manner as cooling unit 40 shown in Fig. 4, cooling unit 80 involved in present embodiment has outside heat dissipation
Device 12, the Peltier's element 14 being configured on the base portion 12a of outside heat sink 12, the inside being configured on Peltier's element 14
It radiator 22 and is configured to blow the inside fan 32 of the air in lamp house 106 towards interior side radiator 22.As shown in figure 8,
Thermal conductivity piece 71 can also be configured between the base portion 22a of interior side radiator 22 and the heat-absorbent surface 14a of Peltier's element 14.
Alternatively, it is also possible to be configured with thermal conductivity between the base portion 12a of outer side radiator 12 and the radiating surface 14b of Peltier's element 14
Piece 72.
Cooling unit 70 involved in present embodiment is further also equipped with to outside heat sink 12 and interior side radiator
The thermally conductive heat insulating component 82 blocked between 22.The heat insulating component 82 is arranged in outside heat sink 12 and interior side radiator
The separator of resin between 22, and be formed as surrounding around Peltier's element 14.It will as shown in figure 8, passing through screw 84
Inside fan 32, interior side radiator 22, heat insulating component 82 and outside heat sink 12 tighten together.
The course of work of the cooling unit 80 constituted as described above is illustrated.In the present embodiment, also to amber
Ear note element 14 is powered, so that upper surface is formed as heat-absorbent surface 14a, lower surface is formed as radiating surface 14b.Pass through inside fan
32 blow the air in lamp house 106 to interior side radiator 22.Interior side radiator 22 receives the sky blown by inside fan 32
The heat of gas, and the heat is conducted to the heat-absorbent surface 14a of Peltier's element 14.Peltier's element 14 by heat-absorbent surface 14a from
Interior side radiator 22 absorbs heat, and the heat is distributed from radiating surface 14b.It is distributed from the radiating surface 14b of Peltier's element 14
Heat conduct to the base portion 12a of outside heat sink 12, and distributed from plate radiating plate 12c to the outside of lamp house 106.
Here, present embodiment can be by heat insulating component 82 to leading between outside heat sink 12 and interior side radiator 22
Heat is blocked.As a result, due to can heat-absorbent surface 14a to Peltier's element 14 and radiating surface 14b be ideally thermally shielded, because
This can be improved radiating efficiency.
More than, based on embodiment, the present invention is described.Above embodiment is example, by combining each composition
Element, each treatment process, which can produce various variations, and such variation also belongs to the scope of the present invention is
Skilled artisans appreciate that.For example, above-mentioned cooling unit can not also be configured in the bottom surface of lamp main body but be configured
On the upper surface, the back side, side surface of lamp main body.Alternatively, it is also possible to configure multiple cooling units in lamps and lanterns.
In the above-described embodiment, to Peltier's element power supply so that Peltier's element lamp house on the inside of surface shape
Surface as heat-absorbent surface, and on the outside of the lamp house of Peltier's element is formed as radiating surface.However, comparing lamp house in the indoor temperature of lamp
Outer temperature it is low and for example in order to enable laser light source works normally and in the case where needing to improve the indoor temperature of lamp, can also be with
The sense of current to circulate to Peltier's element is set as on the contrary, being heat dissipation by the surface set on the inside of the lamp house of Peltier's element
Face, and be heat-absorbent surface by the surface set on the outside of the lamp house of Peltier's element.
Among the above, it is illustrated to the case where cooling unit is applied to lamps apparatus for vehicle, but reality of the invention
Lamps apparatus for vehicle can not only be cooled down by applying cooling unit involved in mode, and the inner space of any shell can be cooled down
Temperature.
Claims (10)
1. a kind of cooling unit is to carry out cooling cooling unit to the temperature of the inner space of shell,
It is characterized in that,
The cooling unit has:
Outside heat sink is configured to part and exposes to the external of the shell；And
Peltier's element has and absorbs the heat-absorbent surface of heat from the inner space of the shell and will be inhaled by the heat-absorbent surface
The radiating surface that the heat of receipts is distributed to the outside heat sink.
2. cooling unit according to claim 1, which is characterized in that
The cooling unit is also equipped with interior side radiator, which receives the heat of the inner space of the shell and will
The heat is conducted to the heat-absorbent surface of the Peltier's element.
3. cooling unit according to claim 2, which is characterized in that
The cooling unit be also equipped with to thermally conductive between the outside heat sink and the interior side radiator blocked every
Hot component.
4. cooling unit according to claim 2, which is characterized in that
Thermal conductivity piece is configured between the base portion of the interior side radiator and the heat-absorbent surface of the Peltier's element, with
And/or person is configured with thermal conductivity between the base portion of the outside heat sink and the radiating surface of the Peltier's element
Piece.
5. cooling unit according to any one of claim 1 to 4, which is characterized in that
The cooling unit is also equipped with the inner space that the heat-absorbent surface towards the Peltier's element blows the shell
The inside fan of air.
6. cooling unit according to any one of claim 1 to 4, which is characterized in that
The cooling unit is also equipped with the air for sucking the inner space of the shell and carries out the air to defined direction
The inside fan blowed.
7. cooling unit according to any one of claim 1 to 4, which is characterized in that
The cooling unit is also equipped with the air that the external exposed division towards the outside heat sink blows the outside of the shell
Outside fan.
8. cooling unit according to any one of claim 1 to 4, which is characterized in that
The cooling unit is also equipped with the wet absorbent that moisture absorption is carried out to the condensed water generated in the inner space of the shell.
9. cooling unit according to claim 8, which is characterized in that
The wet absorbent is configured at the week with the surface of the surface opposite side of the Peltier's element side in interior side radiator
On edge.
10. a kind of lamps apparatus for vehicle is that have lamp unit in the lamp body inner containment for including outer lens and lamp main body and being formed
Lamps apparatus for vehicle,
It is characterized in that,
The lamps apparatus for vehicle, which has, carries out described in cooling any one of claims 1 to 9 the temperature inside the lamp body
Cooling unit.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018022179 | 2018-02-09 | ||
| JP2018-022179 | 2018-02-09 | ||
| JP2018-218574 | 2018-11-21 | ||
| JP2018218574 | 2018-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110131675A true CN110131675A (en) | 2019-08-16 |
Family
ID=67548995
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910095976.4A Pending CN110131675A (en) | 2018-02-09 | 2019-01-31 | Cooling unit and lamps apparatus for vehicle |
| CN201920173695.1U Active CN209909794U (en) | 2018-02-09 | 2019-01-31 | Cooling unit and vehicle lamp |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920173695.1U Active CN209909794U (en) | 2018-02-09 | 2019-01-31 | Cooling unit and vehicle lamp |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPWO2019156088A1 (en) |
| CN (2) | CN110131675A (en) |
| WO (1) | WO2019156088A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111503535A (en) * | 2020-05-18 | 2020-08-07 | 江苏佳强照明电器有限公司 | Constant-current stable lamp wick for L ED lamp |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131675A (en) * | 2018-02-09 | 2019-08-16 | 株式会社小糸制作所 | Cooling unit and lamps apparatus for vehicle |
| DE102022001240A1 (en) * | 2022-04-12 | 2023-10-12 | Mercedes-Benz Group AG | Temperature control module and headlights |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2019156088A1 (en) | 2019-08-15 |
| CN209909794U (en) | 2020-01-07 |
| JPWO2019156088A1 (en) | 2021-01-28 |
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Application publication date: 20190816 |