EP4508367A1 - Temperierungsmodul und scheinwerfer - Google Patents
Temperierungsmodul und scheinwerferInfo
- Publication number
- EP4508367A1 EP4508367A1 EP23710975.6A EP23710975A EP4508367A1 EP 4508367 A1 EP4508367 A1 EP 4508367A1 EP 23710975 A EP23710975 A EP 23710975A EP 4508367 A1 EP4508367 A1 EP 4508367A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- headlight
- volume
- control module
- heat
- temperature control
- 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.)
- Pending
Links
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
- 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
- F21S45/42—Forced cooling
- F21S45/43—Forced cooling using gas
-
- 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
- F21S45/20—Promoting gas flow in lighting devices, e.g. directing flow toward the cover glass for demisting
-
- 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
- F21S45/30—Ventilation or drainage of lighting devices
- F21S45/33—Ventilation or drainage of lighting devices specially adapted for headlamps
-
- 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
- F21S45/42—Forced cooling
- F21S45/43—Forced cooling using gas
- F21S45/435—Forced cooling using gas circulating the gas within a closed system
-
- 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
- F21S45/60—Heating of lighting devices, e.g. for demisting
-
- 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
- F21V29/60—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
- F21V29/677—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans the fans being used for discharging
Definitions
- the invention relates to a temperature control module with a separating element according to the type defined in more detail in the preamble of claim 1.
- the invention also relates to a headlight with such a temperature control module, in particular for a motor vehicle.
- Modern headlights have many components inside that emit heat during operation. In addition to the LEDs typically used today, these include stepper motors and control devices. Due to the sometimes very high currents, heat is also generated in the area of the cables and contacts due to the electrical resistance of the cabling. In order to avoid overheating of the typically self-contained internal volume of the headlight, as this would force a reduction in power or could even cause component damage, this waste heat must be removed from the internal volume of the headlight. Typically this is done by transporting heat via the cover pane, which is also referred to as a front pane or cover glass. Especially when using a vehicle, a relatively large amount of heat can be dissipated by a corresponding flow around the airstream while the vehicle is moving.
- the plastic housing of the headlight itself also contributes to heat transport, but the materials used and the typical installation location with relatively small distances to surrounding components limit the efficient heat transfer. Therefore, only a small part of the waste heat can be released via the housing, for example into the engine compartment of the vehicle.
- One approach to improving the dissipation of waste heat is typically to use separating elements and a fan within the headlight in order to specifically transport the waste heat away from the components that produce the waste heat.
- a separating element which has two sides, one of the sides being arranged inside the headlight and the other of the sides outside.
- a separating element is fundamentally described therein, whereby the heat-conducting connection between the sections located in the surroundings and the sections located inside the headlight takes place via a central part, which is designed here as a thermoelectric cooler, i.e. for actively influencing the heat flow from the inside to the outside is.
- thermoelectric element together with the fan arranged in the interior volume of the headlight, can lower the temperature in the structure and also heat it up.
- the structure depends on various environmental conditions, as a constant supply of air to the thermoelectric element must be guaranteed.
- the object of the present invention is to provide an improved integrated temperature control module, which is improved compared to the structure mentioned in the prior art, and which can preferably be used in an improved headlight. According to the invention, this object is achieved by a temperature control module with the features in claim 1. Advantageous refinements and further developments result from the dependent claims. In addition, a headlight with the features in claim 4 and such a temperature control module solves the problem. Here too, advantageous refinements and further developments of the headlight result from the dependent claims. A method for operating the temperature control module is specified in claim 12.
- the temperature control module represents an integrated temperature control module with a separating element on the one hand and a conveying device for air on the other hand.
- the separating element comprises a closed middle part and heat-conducting elements on two sides of this middle part.
- the conveying device is designed as an integrated twin fan, which, on the one hand, conveys ambient air from one side of the middle part and, on the other hand, ambient air from the other side of the middle part to the separating element.
- the middle part of the separating element is, for example, a plate with heat-conducting elements on one side and on the other.
- a Peltier element is integrated into the middle part or the middle part is formed directly by such a Peltier element. By applying an electrical voltage or power, heat can be generated on one side and cold on the other.
- the sides can be swapped if necessary by reversing the polarity electrically.
- the temperature control module with the Peltier element can thus generate either heat or cold on the one hand and thus heat or cool the air conveyed by the twin fan via the Peltier element or the middle part and the heat-conducting elements.
- the temperature control module enables efficient heating or cooling. In addition to active heating or cooling through the Peltier element, this also enables the naturally occurring heat flow from one side to the other to be strengthened or promoted depending on the polarity used, so that waste heat can be transported away even more quickly.
- the twin fans are set up to, on the one hand, blow air to circulate in the internal volume and to convey it to the separating element of the temperature control module and, on the other hand, to convey ambient air to the other side of the separating element. Both air flows are materially separated, so the air does not mix.
- the heat is thus efficiently dissipated from the headlight with the support of the Peltier element, so that in addition to heat being released via the cover plate, heat can also be released into an additional area, for example an engine compartment or the like.
- a further very favorable embodiment of the temperature control module according to the invention can also provide that a collecting volume for condensate is arranged on one of the sides.
- a collecting volume for condensate is arranged on one of the sides.
- the heat-conducting elements can be designed as heat-conducting ribs or fins or as heat-conducting fingers, pins or knobs.
- a combination of these elements or the combination with other measures that increase the surface of the separating element on the respective side, such as roughening the surface or similar, are also conceivable.
- the twin fan has two fan wheels that are sealed from one another and a common electric drive motor for the two fan wheels.
- This structure is extremely simple and efficient and allows good functionality with little hardware, space and energy expenditure.
- the one electric drive motor for the two fan wheels can be arranged centrally between the two fan wheels.
- the twin fan can preferably be designed as a radial fan, so that it sucks in the air sucked in, for example laterally relative to the respective side or its surface of the separating element and then releases it again over the surface of the respective side of the middle part and preferably between the heat-conducting elements.
- warm air can be efficiently conveyed to the heat-conducting elements in order to cool them down, for example.
- the resulting waste heat is transported from one side to the other side, and at the same time cooling air can be conveyed on the other side in the same way in order to efficiently dissipate the heat transferred from the first side to the second side.
- the twin fan is designed in such a way that it conveys the ambient air from the respective side of the separating element or its middle part on the pressure side to the heat-conducting elements and correspondingly the ambient air, preferably as a radial fan in the above-mentioned embodiment perpendicular to this direction, sucks accordingly.
- such a temperature control module can be used as an integrated temperature control module wherever heat is to be transferred from one side to the other, especially in components with limited installation space, since this is where the highly integrated and compact structure is made possible by the temperature control module according to the invention , particularly pays off.
- this can be designed to be integrated into a housing, which has supply air openings on two opposite sides for the air sucked in by the twin fan and, spaced apart from this, exhaust air openings for the exhaust air after it flows through the heat-conducting elements of the separating element.
- the separating element and twin fans can therefore be arranged efficiently in such a housing.
- the housing can then be inserted into a suitable section of a wall. For this purpose, for example, screwing or clipping can be provided.
- the heat can then be transported from one side of the wall to the other side of the wall. This can be done extremely easily and efficiently by simply connecting one electrical connection for one drive motor and one for the Peltier element to a power source.
- the delivery of the power can be done from one side or the other side of the wall, whichever is more convenient in terms of installation.
- a preferred use is in the area of a headlight.
- a headlight with a self-contained internal volume, with a transparent cover plate and lighting means, which include at least light-emitting diodes, their control electronics and the like, can now be ideally cooled or heated via the temperature control module according to the invention.
- the headlight according to the invention according to claim 4 provides that the middle part of the separating element of the temperature control module forms part of the boundary of the internal volume with the Peltier element, so that the heat-conducting elements on one side protrude into the internal volume and the heat-conducting elements on the other side protrude into the environment.
- the middle part with the Peltier element or the middle part formed by the Peltier element therefore forms part of the housing of the headlight and can therefore be integrated into the headlight in a very space-saving manner.
- One side with one half of the twin fan is then inside and can cool or heat there if necessary.
- the other side is located outside, for example in the area of the engine compartment, and can be used to dissipate heat in the case of cooling the headlight or to provide heat from the engine compartment in the case of heating the headlight.
- the Peltier element can, on the one hand, actively cool or heat and, on the other hand, increase existing temperature differences in order to enable improved heat conduction between its sides for cooling or heating.
- the headlight according to the invention, this is now combined with an embodiment of the temperature control module according to the invention with the collecting volume.
- the collecting volume which according to the invention is arranged in the internal volume of the headlight, can then be connected via a line element for condensate removal to a collecting volume for the condensate outside the internal volume.
- Moisture that accumulates in the interior volume of the headlight for example because it is not completely sealed or because moisture has entered the interior of the headlight through the plastic material of the housing, is collected in the collection volume as condensate when the headlight is cooled.
- the Peltier element then works both as a cooling element and as a cold trap.
- the condensate then passes in its liquid state via the line element for condensate removal into a collecting volume located outside the internal volume of the headlight and from there can be easily and efficiently discharged into the environment. This allows moisture that has penetrated the interior volume of the headlight to be efficiently removed if necessary.
- the line element ends in the direction of gravity at the top of the collecting volume when used as intended.
- the condensate can then drip from the end of the line element into the collecting volume. There is therefore no direct connection between the line element and the liquid condensate collecting in the direction of gravity at the bottom of the collecting volume given the filling quantities that typically occur.
- the collecting volume is sealed in itself and is connected to the environment on the one hand via the line element and on the other hand via a meander-shaped tube arranged at the bottom in the direction of gravity.
- a meander-shaped tube allows an efficient connection with the environment, so that if there is excess pressure within the internal volume of the headlight, the condensate is pushed out of the collecting volume via the tube into the environment.
- air can also be sucked in via the meander-shaped tube and “sucked back” into the headlight or its internal volume. when the pressure conditions are reversed.
- the meandering tube Due to its meandering structure, the meandering tube has the advantage that it can very efficiently prevent the penetration of dirt into the area of the collecting volume and thus at least indirectly into the area of the internal volume of the headlight.
- the flow-through cross section of the meandering tube has a grid or filter element.
- a grid or filter element can be used to prevent, for example, coarser dirt particles from clogging the meandering tube, insects from nesting, or the like.
- the temperature control module is arranged below a cover in the interior volume, at least with regard to the air flow conveyed by it, when the headlight is used as intended, which has ventilation openings.
- a cover can therefore be arranged in such a way that the air flow conveyed by the temperature control module within the headlight reaches the area of the cover from below when the headlight is used as intended, for example in which the air is conveyed directly from below or from behind under the cover and then directed upwards via ventilation openings within the cover.
- the cover can be arranged below the cover plate, so that this cover plate can be targeted with the conveyed air flow from below through the ventilation openings. This has particular advantages when it comes to heating the headlight, for example to get it free of ice or to keep it free of ice, or to efficiently remove fogging on the cover glass, especially on the inside of the cover glass, and to prevent fogging from occurring again .
- the headlight has at least one temperature sensor, which, together with a control device for controlling the Peltier element and the twin fan of the temperature control module according to the invention, is set up to: To influence the temperature of the headlight.
- a heating or cooling requirement in the internal volume of the headlight can be determined via the temperature sensor or sensors and this can be monitored and regulated accordingly, preferably by further temperature sensors, at least one of which is arranged in the area of the air flowing out of the temperature control module.
- a headlight is used as a headlight in a vehicle, in particular in a motor vehicle and here preferably in a non-rail-bound land vehicle such as a car or truck .
- the method according to the invention for operating a temperature control module according to the invention in a headlight according to the invention provides that, in the event of a cooling requirement, the Peltier element is used in a first electrical polarity to cool the first side and to dissipate the heat to the second side to cool the internal volume and/or to collect condensate in the collection volume of the temperature control module. Furthermore, the method provides that, in the event of a need for heat, the Peltier element is used in a reversed polarity to heat the first side in order to keep it free of fog or to dissolve fog that has already occurred or to ensure an ice-free cover pane, i.e. if necessary to thaw and then keep it free of ice.
- FIG. 1 shows a side view of a possible embodiment of a temperature control module according to the invention in partial section
- FIG. 2 shows a top view of the temperature control module according to FIG. 1 in a sectional view
- 3 shows a schematic representation of a vehicle headlight in an embodiment according to the invention
- Fig. 4 is an enlarged view of a device for pressure equalization and condensate removal in and from this headlight.
- an integrated temperature control module designated in its entirety by 1 can be seen in a side view.
- a housing 2 of the integrated temperature control module 1 is partially shown in a sectional view in order to reveal a separating element 3 with some indicated heat-conducting elements 4 on the side 5 facing the viewer.
- These heat-conducting elements 4 can be designed, for example, as cooling pins.
- a twin fan 6 is integrated into the housing 2, which is designed as a radial fan, one of the radial fan wheels 7 being indicated by dashed lines in the housing because it is covered by the actual housing 2.
- the functionality can best be illustrated in the top view, which can be seen in the sectional view of Figure 2.
- the housing 2 of the temperature control module 1 is accommodated in an opening 8 in a wall designated 9.
- a circumferential seal 10 is provided between the wall 9 and a flange 11 on the housing.
- the connection can be realized, for example, by gluing, screwing, riveting or the like.
- it can be realized by clipping, for which clips 12 indicated in the illustration in FIG. 2 can be seen as part of the housing. If the housing is inserted into the opening 8 from above in the illustration in Figure 2, then it can be easily and efficiently clipped to the wall 9, preferably by deforming the inserted seal 10, so that the structure is completely sealed.
- the separating element 3 has a closed middle part 15, which is accommodated in the housing 2 in such a way that the internal volume 13 facing area is sealed from the area facing the outer volume 14.
- the first side 5 of the separating element 3 or its middle part 15, which is facing downwards, carries some of the heat-conducting elements 4, as does the opposite second side 16.
- a Peltier element PE is now also arranged in the separating element 3 or the communication part 15 as a thermoelectric cooler or heater. Depending on the control or electrical polarity, heat can be transported from the first to the second side 5, 16, so that the internal volume 13 is cooled, or vice versa, so that the internal volume 13 is heated. Through the fan wheels? of the twin fan 6, the cooling or heating air is circulated in the inner volume 13 and the waste heat or cold released is dissipated into the outer volume 14 environment.
- the sealing of the area adjacent to the two sides 5, 16 continues through the housing and is extended by an intermediate wall 17, which is arranged flush with the middle part 15 of the separating element 3.
- This intermediate wall 17 has an opening for an electric drive motor 18, which is part of the twin fan 6 and drives two impellers 7 with their respective guide blades in parallel.
- the area of the two impellers 7 is also sealed against each other by the intermediate wall 17 and the drive motor 18, so that when the housing 2 is installed in a sealed manner in the opening 8 of the wall 9, the inner volume 13 can be sealed against the outer volume 14.
- the air conveyed via the rotating impellers 7 of the twin fan 6 therefore remains unmixed, depending on whether it is conveyed from the inner volume 13 or the outer volume 14, so that the two air flows are in heat-conducting contact with one another only via the middle part 15 and the heat-conducting elements 4.
- the Peltier element PE which in the exemplary embodiment shown here should be integrated into the middle part 15.
- the Peltier element PE could also completely form this middle part 15, so that the heat-conducting elements would be arranged directly on the Peltier element PE.
- the temperature control module 1 is now able to cool, for example, in the area of the inner volume 13 by releasing heat to the air flow from the outer volume 14 and by polarizing the Peltier element PE in such a way that the cold side is on its side facing the inner volume 13 the side facing the outer volume 14 is the warm side.
- heating of the air flow for the inner volume 13 is also possible; in this case, the polarity of the Peltier element PE would be reversed, so that the cold side lies on the side facing the outer volume 14 and the warm side on the side facing the inner volume 13 .
- the separating element 3 or at least its middle part 15 and the heat-conducting elements 4 can preferably consist of a good heat-conducting material, for example aluminum.
- the twin fan 6 moves the impeller 7 with the guide blades in the illustration in FIG. 2 above.
- both impellers can be arranged on one and the same shaft of the common electric drive motor 18 and therefore rotate at the same speed.
- a gearbox for changing the rotation speed of one of the wheels would also be conceivable in principle.
- the impellers 7 are preferably constructed analogously to one another.
- the temperature control module 1 can be used in particular in a headlight 21 shown in FIG. Its structure consists of a housing 22 and a transparent cover plate 23. Under this cover plate 23, two fields 24 with light-emitting diodes are arranged purely as an example. In addition, a control device 25 and a stepper motor 26 are indicated as examples within the housing 22 or, as indicated here, on the housing 22. These elements in Internal volume 13 of the headlight 21 or in heat-conducting contact with it produces waste heat. In order to improve their cooling in order to achieve high performance of the components within the internal volume 13 of the headlight 21 without overheating these components, the temperature control module 1, as shown in FIG. 3, is now integrated into the headlight 21 . Parts of its housing 22 form the wall 9 shown in FIG.
- the temperature control module 1 Via the temperature control module 1, for example, heat is transferred from the inner volume 13 of the headlight 21 into the volume surrounding the headlight 21, which accordingly corresponds to the outer volume 14 in the structure according to FIG.
- the interior volume 13 of the headlight 21 itself can continue to be sealed in order to prevent the ingress of large amounts of moisture, which could damage the electrical and in particular optical components within the headlight 21.
- the internal volume 13 can also be heated very easily by constructing the temperature control module 1 with the Peltier element PE for example to keep it fog-free or to remove ice. This applies in principle to the entire internal volume 13, but in particular to the area of the cover plate 23.
- the structure therefore provides that, when used as intended, a cover 27 is arranged in the direction of gravity g below the area in which the cover plate 23 merges into the non-transparent housing 22.
- This cover 27 has ventilation openings 28.
- the air conveyed by the temperature control module 1 in the internal volume 13 of the headlight 21 now collects below this cover 27 and flows upwards through the ventilation openings 28 in a targeted manner in the area of the cover plate 23, and then circulates via the lighting elements 24, the optional stepper motor 26 and the area in which the control device 25 rests on the housing 22 to flow back to the temperature control module 1.
- This circulation flow enables good cooling within the headlight 21 or also good heating, in particular of the cover plate 23, in the event that it is icy and/or fogged up.
- the goal is to prevent, if possible, the penetration of large amounts of moisture into the internal volume 13 of the headlight 21.
- this is often not completely successful, since the structure of the headlight 21 with its housing 22 can never be implemented in a completely sealed manner.
- pressure equalization is necessary, which, for example, requires the use of a membrane that is permeable to air but not to water vapor. This leads to interfaces within the housing 22, which can only be made very tightly with great effort.
- the plastic typically used for the housing 22 is not completely sealed against moisture, so that moisture can also diffuse into the interior of the headlight 21. A certain amount of residual moisture can never be ruled out.
- the headlight 21 therefore dispenses with such a membrane, which in principle could still be present as an option. Instead, it uses a collecting volume 29 for condensate in the area of the temperature control module 1 and here on its side 5 facing the inner volume 13.
- This collecting volume 29 which when used as intended in the direction of gravity, which is symbolically indicated here by the gravitational acceleration g in its direction, is located below.
- Moisture which is circulated through the twin fan in the internal volume 13 of the headlight 21, condenses on the first side 5 or in the area of the heat-conducting elements 4 on this side 5 and drips into the collecting volume 29. This is connected via a line element 30 to a collecting volume 31, which is arranged outside the housing 22 but is sealed from it.
- FIG. 4 An enlarged structure of this is shown in the illustration in FIG.
- the side 5 of the middle part 15 with its heat-conducting elements 4 is shown within the temperature control module 1.
- the view according to Figure 4 is intended to be the view from the inner volume 13 onto the part of the temperature control module 1 protruding into the inner volume 13.
- the cooling by the Peltier element PE which cannot be seen here, ensures that moisture present in the internal volume 13 condenses out. This now collects in the direction of gravity g at the bottom of the collecting volume 29 and flows into it via the line element 30 Collection volume 31 from.
- the line element 30 ends in the collecting volume 31 when used as intended in the direction of gravity g above, so that condensate emerging from the line element 30 drips into the collecting container 31 and collects in it in the direction of gravity g below.
- the collected condensate is shown in the illustration in FIG. 4 and provided with the reference symbol K.
- the collecting volume 31 is connected at the bottom to the environment, here the outer volume 14, via a meander-shaped tube 32.
- the structure for condensate removal therefore creates a connection between the inner volume 13 and the outer volume 14, in which, due to the arrangement of the end of the line element 30, no condensate can be sucked back into the inner volume 13 in normal use, even if the internal pressure here is lower than in the area of External volume should be 14.
- the water that has been condensed and collected as a cold trap by the corresponding operation of the Peltier element PE is now located as condensate K in the collecting volume 31.
- the air pressure in the internal volume 13 of the headlight 21 now increases, for example by operating the heat sources or by lowering it of the ambient pressure, because the vehicle equipped with the headlight 21 is driving up a mountain, for example, then the accumulated condensate K is pressed outwards through the meander-shaped tube 32 into the environment, i.e. the external volume 14. If the collecting volume 31 is empty, the remaining air flows out unhindered due to the excess pressure in the inner volume 13 and pressure equalization takes place. In the opposite case, i.e.
- the tube 32 is designed in a meandering shape in order to prevent dust and dirt from getting into the interior of the headlight 21.
- a fine net or grid could be attached to the end of the tube 32 to prevent coarse dirt from clogging the tube 32 or insects from nesting in the area of the tube 32.
- the control device 25 already shown in FIG. 3 takes over the control and monitoring of the entire process. On the one hand, it is connected to the Peltier element PE in the temperature control module 1 and, on the other hand, to various temperature sensors 33, 34, 35 inside the headlight 21. In addition, other vehicle signals such as the temperature in the external volume 14 detected via a temperature sensor 36 or data about the air pressure can also be used etc., which is indicated here by the arrow 37, are made available to the control unit 25.
- the control device 25 can now correspondingly control the Peltier element PE and the drive motor 18 of the twin fan 6 of the temperature control module 1 in order to control or regulate the temperatures within the internal volume 13 of the headlight 21 and to supply the Peltier element PE with power according to the desired polarity to operate it as a heating or cooling element, depending on your needs.
- an H-bridge can be used, for example. This makes it possible to cool and dry the air in summer with the PE Peltier element. In winter it can be used for heating in order to keep the cover plate 23 free of fog and/or ice.
- the control device 25 can also take over the control of the lighting and the stepper motor 26, but in principle several separate control devices would also be conceivable.
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
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022001240.5A DE102022001240A1 (de) | 2022-04-12 | 2022-04-12 | Temperierungsmodul und Scheinwerfer |
| PCT/EP2023/056071 WO2023198372A1 (de) | 2022-04-12 | 2023-03-09 | Temperierungsmodul und scheinwerfer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4508367A1 true EP4508367A1 (de) | 2025-02-19 |
Family
ID=85640845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23710975.6A Pending EP4508367A1 (de) | 2022-04-12 | 2023-03-09 | Temperierungsmodul und scheinwerfer |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US12504146B2 (de) |
| EP (1) | EP4508367A1 (de) |
| JP (1) | JP2025511708A (de) |
| KR (1) | KR20240158327A (de) |
| CN (1) | CN118974477A (de) |
| DE (1) | DE102022001240A1 (de) |
| WO (1) | WO2023198372A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102023135294B4 (de) * | 2023-12-15 | 2025-10-02 | Schaeffler Technologies AG & Co. KG | Konduktives Ladesystem mit temperierter Kontaktierungseinheit |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05147437A (ja) * | 1991-11-28 | 1993-06-15 | Zexel Corp | 空気調和装置の殺菌機構 |
| DE102007036486A1 (de) * | 2007-08-01 | 2009-02-05 | Odelo Gmbh | Scheinwerfersystem mit gesteuerter und/oder geregelter Fördervorrichtung |
| DE102007057056A1 (de) | 2007-11-27 | 2009-05-28 | Hella Kgaa Hueck & Co. | Scheinwerfer für ein Kraftfahrzeug mit Mitteln zum Wärmeaustausch zwischen dem Innenraum und der Außenseite des Scheinwerfers |
| DE102011089945B4 (de) * | 2011-12-27 | 2017-12-21 | Automotive Lighting Reutlingen Gmbh | Kraftfahrzeugscheinwerfer |
| JP5895788B2 (ja) | 2012-09-24 | 2016-03-30 | 株式会社デンソー | 車両用空調装置 |
| KR101417403B1 (ko) | 2012-11-12 | 2014-07-08 | 현대자동차주식회사 | 헤드램프의 습기발생 방지장치 |
| KR20180000550A (ko) | 2016-06-23 | 2018-01-03 | 엘지이노텍 주식회사 | 차량용 램프 |
| FR3058503B1 (fr) * | 2016-11-09 | 2019-01-25 | Valeo Vision | Dispositif lumineux equipe d'au moins un element peltier |
| CN209909794U (zh) | 2018-02-09 | 2020-01-07 | 株式会社小糸制作所 | 冷却单元以及车辆用灯具 |
| KR102344337B1 (ko) | 2020-08-28 | 2021-12-29 | 우성파워텍주식회사 | 제습이 가능한 차량용 램프 |
-
2022
- 2022-04-12 DE DE102022001240.5A patent/DE102022001240A1/de active Pending
-
2023
- 2023-03-09 US US18/856,320 patent/US12504146B2/en active Active
- 2023-03-09 CN CN202380033093.5A patent/CN118974477A/zh active Pending
- 2023-03-09 WO PCT/EP2023/056071 patent/WO2023198372A1/de not_active Ceased
- 2023-03-09 EP EP23710975.6A patent/EP4508367A1/de active Pending
- 2023-03-09 KR KR1020247033364A patent/KR20240158327A/ko active Pending
- 2023-03-09 JP JP2024559136A patent/JP2025511708A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023198372A1 (de) | 2023-10-19 |
| KR20240158327A (ko) | 2024-11-04 |
| US20250257860A1 (en) | 2025-08-14 |
| CN118974477A (zh) | 2024-11-15 |
| JP2025511708A (ja) | 2025-04-16 |
| DE102022001240A1 (de) | 2023-10-12 |
| US12504146B2 (en) | 2025-12-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE102019122190B4 (de) | Dachmodul zur Bildung eines Fahrzeugdachs mit Kühleinrichtung | |
| EP3759519B1 (de) | Kühlvorrichtung | |
| EP3209104B1 (de) | Schaltschrank | |
| DE102008013604A1 (de) | Kühlvorrichtung für ein Steuergerät einer Beleuchtungseinrichtung eines Kraftfahrzeugs | |
| DE102021122866A1 (de) | Dachmodul mit einer Kühleinrichtung | |
| WO2015024839A1 (de) | Kühleinrichtung für einen scheinwerfer eines kraftfahrzeugs, insbesondere für einen laserscheinwerfer | |
| DE202014104445U1 (de) | Anordnung mindestens eines elektronischen Steuergeräts in einem Kraftfahrzeug | |
| DE102011122534A1 (de) | Kühlerzarge und Kühlerverbund | |
| DE102018216037B4 (de) | Antriebseinrichtung für ein Kraftfahrzeug, insbesondere für einen Kraftwagen, sowie Kraftfahrzeug mit wenigstens einer solchen Antriebseinrichtung | |
| EP2728066A1 (de) | Baumaschine mit Maschinenkomponenten | |
| EP4508367A1 (de) | Temperierungsmodul und scheinwerfer | |
| EP0062706B1 (de) | Heizvorrichtung | |
| DE10060610B4 (de) | Fahrzeugdach mit integriertem Lüfter | |
| DE102022113740B4 (de) | Dachanordnung mit einem Dachöffnungssystem und einer Klimaeinrichtung | |
| DE102022213116A1 (de) | Kühlanordnung, Assistenzsystem sowie Herstellungsverfahren | |
| DE102012217047A1 (de) | Kraftfahrzeug | |
| DE202022102220U1 (de) | Thermomodul für ein Fahrzeug, ein Verbund aus einem solchen Thermomodul und einem Kühlmittelausgleichsbehälter und ein Fahrzeug mit einem solchen Thermomodul | |
| EP0467151B1 (de) | Kraftfahrzeug mit einer elektrischen Steuerung mit wärmeabgebenden Bauelementen | |
| DE102006001304A1 (de) | Klimatisierungsvorrichtung zum Heizen und/oder Kühlen des Innenraums eines Fahrzeugs | |
| EP1104079A2 (de) | Elektromotor für insbesondere eine Kreiselpumpe | |
| EP4022216B1 (de) | Verbund aus einem kraftfahrzeugscheinwerfer und einem kühlmittelkreislauf eines kraftfahrzeugs | |
| DE102021005388B4 (de) | Schweinwerfer mit einem Kühlmodul | |
| DE102024121504B4 (de) | Luftgekühlte E-Achse | |
| EP3656015B1 (de) | Anlage zur temperierung eines elektrischen energiespeichers | |
| DE20000715U1 (de) | Belüftungsvorrichtung und Klimatisierungssystem |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20240920 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) | ||
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
| 17Q | First examination report despatched |
Effective date: 20251014 |