CN114924419A - Angle adjusting device, head-up display and vehicle - Google Patents
Angle adjusting device, head-up display and vehicle Download PDFInfo
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- CN114924419A CN114924419A CN202210674070.XA CN202210674070A CN114924419A CN 114924419 A CN114924419 A CN 114924419A CN 202210674070 A CN202210674070 A CN 202210674070A CN 114924419 A CN114924419 A CN 114924419A
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- 239000010409 thin film Substances 0.000 claims description 13
- 230000005389 magnetism Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0149—Head-up displays characterised by mechanical features
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Arrangement of adaptations of instruments
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- B60K35/22—
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- B60K35/23—
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- B60K35/53—
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
- G02B7/1821—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors for rotating or oscillating mirrors
Abstract
The utility model relates to an angle adjustment device, new line display and vehicle, angle adjustment device is used for new line display, the new line display includes the casing and locates the speculum in the casing, angle adjustment device is used for adjusting the angle of speculum, angle adjustment device includes sensing subassembly and adjusting part, sensing subassembly includes magnetic part and magnetism sensing part, one of magnetic part and magnetism sensing part locates on the casing, the other locates on the speculum, and magnetic part and magnetism sensing part set up each other at an interval, magnetism sensing part is used for the change of sensing self surrounding magnetic field, and produce the sensing signal, adjusting part is connected with the speculum, and adjust the angle of speculum according to the sensing signal that magnetism sensing part produced. The angle adjusting device can solve the problem that the angle adjusting device in the prior art is inaccurate in angle adjusting.
Description
Technical Field
The application relates to the technical field of display, in particular to an angle adjusting device, a head-up display and a vehicle.
Background
The vehicle head-up display comprises a light-emitting unit and a reflecting mirror, wherein the light-emitting unit is used for projecting images, and the reflecting mirror is used for reflecting the images projected by the light-emitting unit to a windshield so as to be convenient for a driver to watch. In the using process, the angle of the reflecting mirror may be deflected, and after the angle of the reflecting mirror is deflected, the viewing angle of a driver is changed accordingly, so that the angle of the reflecting mirror needs to be adjusted to an initial position by using an angle adjusting device after the angle of the reflecting mirror is deflected, but the current angle adjusting device has the problem of inaccurate angle adjustment.
Disclosure of Invention
In view of the above, it is necessary to provide an angle adjustment device, a head-up display and a vehicle, which are directed to the problem that the angle adjustment device is inaccurate in adjusting the angle.
According to an aspect of the present application, there is provided an angle adjusting apparatus for a head up display, the head up display including a housing and a mirror provided in the housing, the angle adjusting apparatus being configured to adjust an angle of the mirror, the angle adjusting apparatus including: the sensing assembly comprises a magnetic part and a magnetic sensing part, one of the magnetic part and the magnetic sensing part is arranged on the shell, the other one of the magnetic part and the magnetic sensing part is arranged on the reflector, the magnetic part and the magnetic sensing part are arranged at intervals, and the magnetic sensing part is used for sensing the change of a magnetic field around the magnetic sensing part and generating a sensing signal; and the adjusting piece is connected with the reflecting mirror and adjusts the angle of the reflecting mirror according to the sensing signal generated by the magnetic sensing piece.
In some embodiments, the housing has a first end and a second end opposite in a first direction; the reflector has an initial state in which the reflector includes a first sensing end and a second sensing end opposite in a first direction; the first end is arranged opposite to the first sensing end, the second end is arranged opposite to the second sensing end, and the sensing assembly is arranged at each of the first end and the second end.
In some embodiments, in the initial state, the spacing between the magnetic member and the magnetic sensing member is 5mm to 15 mm.
In some embodiments, the magnetic member comprises a magnetic block, and the housing is provided with the magnetic block at both the first end and the second end, or the mirror is provided with the magnetic block at both the first sensing end and the second sensing end.
In some embodiments, the magnetic sensing member is adhered or clamped on the shell, and the magnetic block is adhered or clamped on the reflector; or the magnetic sensing piece is adhered or clamped on the reflector, and the magnetic block is adhered or clamped on the shell.
In some embodiments, the magnetic member includes a magnetic thin film disposed on an inner surface of the housing and covering the first end and the second end, or the magnetic thin film is disposed on the mirror and covering the first sensing end and the second sensing end.
In some embodiments, a bracket is provided within the housing, and the magnetic member or the magnetic sensing member is mounted on the bracket.
In some embodiments, the adjustment member includes a gear rotatably mounted to the housing.
According to another aspect of the present application, there is provided a head-up display including the angle adjustment apparatus as described above.
According to another aspect of the application, there is provided a vehicle comprising a head-up display as described above.
The angle adjusting device that this application embodiment provided through set up sensing assembly on the casing of new line display and speculum, when the angle of speculum changes, the distance between the magnetism spare of sensing assembly and the magnetism sensing spare changes for the surrounding magnetic field that magnetism sensing spare sensing was sensed changes, thereby produces sensing signal, and based on this, the angle of speculum is adjusted according to sensing signal to the adjusting part. Because the sensing signal between the magnetic sensing piece and the magnetic piece is generated by the angle change of the reflector, the accuracy of sensing the angle change of the reflector can be improved, and the accurate adjustment of the angle of the reflector is further realized.
Drawings
FIG. 1 is a schematic diagram of a head-up display according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of an angle adjustment apparatus according to an embodiment of the present disclosure;
FIG. 3 is a schematic view of another state of the angle adjusting apparatus shown in FIG. 2;
FIG. 4 is a schematic structural diagram of an angle adjustment apparatus according to another embodiment of the present application;
FIG. 5 is a schematic view of another state of the angle adjustment apparatus shown in FIG. 4;
FIG. 6 is a schematic structural diagram of an angle adjustment apparatus according to another embodiment of the present application;
FIG. 7 is a structural diagram of another state of the angle adjusting apparatus of FIG. 6;
fig. 8 is a schematic structural diagram of an angle adjustment apparatus according to another embodiment of the present application.
The reference numbers illustrate:
10: head-up display 14: light source
11: the housing 15: plane mirror
11 a: first end 16: curved mirror
11 b: second end 17: windshield glass
12: the mirror 20: magnetic member
12 a: first sensing end 21: magnetic sensing member
12 b: second sensing end 30: adjusting piece
13: a support X: a first direction
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediary. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.
In a vehicle, such as a vehicle, a heads-up display typically includes a light source emitting unit, a flat mirror, a curved mirror, and a front windshield. The light source emission unit is used for projecting images, the plane mirror is used for reflecting the images projected by the light source emission unit to the curved mirror, and the curved mirror is used for reflecting the images reflected by the plane mirror to the front windshield to generate virtual images for a driver to watch.
In this case, the angle of the curved mirror affects the position where the virtual image is formed, and therefore, the initial position of the curved mirror is generally set to a position that conforms to the viewing habit of the driver. However, in the using process, the angle of the curved mirror may change, and when the angle of the curved mirror deflects, the position where the virtual image is formed may change, so that in order to facilitate the viewing of the driver, the angle of the curved mirror needs to be adjusted to the initial position, so that the position where the virtual image is formed conforms to the viewing habit of the driver.
At present, the angle of the curved mirror is usually adjusted by connecting a gear engine to the curved mirror and adjusting the swing of the curved mirror by the rotation of the gear engine. Specifically, a pressure sensor is arranged beside the gear engine, when the curved mirror drives the gear engine to rotate clockwise or anticlockwise, the gear engine extrudes the pressure sensor, the pressure sensor feeds a sensed pressure signal back to a system mainboard, and the system mainboard controls the curved mirror to rotate to an initial position according to the pressure signal.
Because mutual extrusion acting force can be generated between the gear engine and the pressure sensor, the gear engine and the pressure sensor can be abraded, and the sensitivity of pressure sensing is reduced; moreover, since the rotation angle of the curved mirror is represented by the pressure change caused by the rotation angle of the gear engine, the obtained rotation angle of the curved mirror which is not true causes inaccurate angle adjustment of the curved mirror.
In order to solve the above problem, an embodiment of the present application provides an angle adjusting apparatus, one of a magnetic member and a magnetic sensing member is disposed on a housing of a head up display, and the other is disposed on a reflector, so that when an angle of the reflector changes, a distance between the magnetic member and the magnetic sensing member changes, so that a magnetic field around the magnetic sensing member changes, and then the angle of the reflector is adjusted based on the magnetic field change.
Fig. 1 is a schematic structural diagram of a head-up display according to an embodiment of the present disclosure. Fig. 2 shows a schematic structural diagram of an angle adjustment device in an embodiment of the present application. Fig. 3 is a schematic view showing another state of the angle adjusting apparatus of fig. 2.
Referring to fig. 1 to 3, an angle adjustment device provided in an embodiment of the present application is used for a head-up display 10, where the head-up display 10 includes a housing 11 and a reflector 12 disposed in the housing 11, and the angle adjustment device is used for adjusting an angle of the reflector 12. The housing 11 may be a structure having an internal cavity integrated with the vehicle, or a structure having an internal cavity independent of the vehicle. The angle adjusting device comprises a sensing assembly and an adjusting member 30, the sensing assembly comprises a magnetic member 20 and a magnetic sensing member 21, one of the magnetic member 20 and the magnetic sensing member 21 is arranged on the shell 11, the other one is arranged on the reflector 12, the magnetic member 20 and the magnetic sensing member 21 are arranged at intervals, and the magnetic sensing member 21 is used for sensing the change of the magnetic field around the magnetic sensing member and generating a sensing signal; the adjusting member 30 is connected to the reflecting mirror 12 and adjusts the angle of the reflecting mirror 12 according to the sensing signal generated from the magnetic sensing member 21. Specifically, the mirror 12 includes a curved mirror 16. The magnetic sensing member 21 includes a magnetic sensing end having the same polarity as the magnetic member 20, for example, both N-poles or both S-poles.
According to the angle adjusting device provided by the embodiment of the application, the sensing assembly is arranged on the shell 11 and the reflector 12 of the head-up display 10, when the angle of the reflector 12 changes, the distance between the magnetic member 20 and the magnetic sensing member 21 of the sensing assembly changes, so that the surrounding magnetic field sensed by the magnetic sensing member 21 changes, a sensing signal is generated, and based on the sensing signal, the adjusting member 30 adjusts the angle of the reflector 12 according to the sensing signal. Since the sensing signal between the magnetic sensing member 21 and the magnetic member 20 is directly generated by the angle change of the mirror 12, the sensing accuracy of the angle change of the mirror 12 can be improved, and the precise adjustment of the angle of the mirror 12 can be realized.
Moreover, the magnetic member 20 and the magnetic sensing member 21 do not need to be in direct contact, or the acting force during the contact is small, for example, when the reflector 12 rotates by 15 °, a magnetic force less than or equal to 0.1N is generated between the magnetic member 20 and the magnetic sensing member 21, so that abrasion can be avoided, the accuracy is improved, the service life of the sensing assembly is prolonged, and the repair and maintenance cost is reduced.
Furthermore, the angle adjusting device also comprises a signal receiving unit and a control unit; the signal receiving unit is electrically connected with the magnetic sensing piece 21 to receive a sensing signal generated by the magnetic sensing piece 21; the control unit is electrically connected to the signal receiving unit, and controls the adjusting member 30 to adjust the angle of the reflector 12 according to the signal received by the signal receiving unit. When the angle of the reflector 12 is deflected, the distance between the magnetic member 20 and the magnetic sensing member 21 changes, the magnetic sensing member 21 generates a sensing signal, the signal unit receives the sensing signal, and the control unit controls the adjusting member 30 to adjust the angle of the reflector 12 according to the signal received by the signal unit.
In some embodiments, the housing 11 has a first end 11a and a second end 11b opposite along the first direction X; the reflecting mirror 12 has an initial state, in which the reflecting mirror 12 includes a first sensing end 12a and a second sensing end 12b opposite to each other along the first direction X, the first end 11a is disposed opposite to the first sensing end 12a, the second end 11b is disposed opposite to the second sensing end 12b, and both the first end 11a and the second end 11b are provided with sensing components.
It can be understood that after the mirror 12 is rotated relative to the housing 11, the distance between the first sensing end 12a of the mirror 12 and the first end 11a of the housing 11 is different from the distance between the first sensing end 12a of the mirror 12 and the first end 11a of the housing 11 in the initial state, the distance between the second sensing end 12b of the mirror 12 and the second end 11b of the housing 11 is different from the distance between the second sensing end 12b of the mirror 12 and the second end 11b of the housing 11 in the initial state, and the distances between the two ends are changed such that one is decreased and the other is increased. For the end with the reduced distance, the distance between the magnetic member 20 and the magnetic sensing member 21 is reduced, and the magnetic force generated by interaction between the magnetic sensing member 21 and the magnetic member 20 is reduced; on the other hand, at the end with the increased distance, the magnetic force between the magnetic member 20 and the magnetic sensor 21 is far away, so that the magnetic force of the interaction is difficult to detect.
And, speculum 12 anticlockwise rotation and speculum 12 clockwise rotation, the interval change circumstances at both ends is opposite, and based on this, all set up sensing assembly at first end 11a and second end 11b for when speculum 12 anticlockwise rotation and clockwise rotation, interval change homoenergetic because of rotatory leading to can be detected by sensing assembly, thereby in time adjust speculum 12 to initial condition.
Further, in the initial state, the interval between the magnetic member 20 and the magnetic sensing member 21 is 5mm to 15 mm. Therefore, in the initial state, the distance between the magnetic member 20 and the magnetic sensing member 21 is moderate, so as to avoid the deflection of the mirror 12 caused by the arrangement of the sensing assembly, and simultaneously, the deflection of the mirror 12 can be detected.
Fig. 4 shows a schematic structural diagram of an angle adjusting apparatus in another embodiment of the present application. Fig. 5 is a schematic view showing another state of the angle adjusting apparatus of fig. 4.
In some embodiments, the magnetic member 20 comprises a magnetic block, such as a block-shaped magnet. Specifically, two sets of sensing assemblies are provided, and two sets of magnetic blocks are correspondingly provided, referring to fig. 4 and 5, the two magnetic blocks are respectively provided at the first end 11a and the second end 11b of the housing 11, the two magnetic sensing members 21 are respectively provided at the first sensing end 12a and the second sensing end 12b of the reflector 12, or, referring to fig. 2 and 3, the two magnetic blocks are respectively provided at the first sensing end 12a and the second sensing end 12b of the reflector 12, and the two magnetic sensing members 21 are respectively provided at the first end 11a and the second end 11b of the housing 11. The magnetic block is arranged on the shell 11 or the reflector 12 as the magnetic part 20, so that the structure is simple, the material source is wide, and the cost is low.
Further, the magnetic block and the magnetic sensing member 21 are fixed by bonding or clamping, specifically, the magnetic sensing member 21 is bonded or clamped on the housing 11, the magnetic block is bonded or clamped on the reflector 12, the magnetic sensing member 21 is bonded or clamped on the reflector 12, and the magnetic block is bonded or clamped on the housing 11. The magnetic block and the magnetic sensing piece 21 are fixed in a bonding or clamping mode, the structure is simple, and the cost is low. When the magnetic block and the magnetic sensing member 21 are clamped and fixed by the clamping structure, the specific formation of the clamping structure refers to the clamping structure in the related art, and is not described herein again.
Fig. 6 shows a schematic structural diagram of an angle adjusting apparatus in another embodiment of the present application. Fig. 7 is a schematic view showing another state of the angle adjusting apparatus of fig. 6.
Referring to fig. 6 and 7, in some embodiments, the magnetic member 20 includes a magnetic film disposed on the inner surface of the housing 11 and covering the first end 11a and the second end 11b of the housing 11, or disposed on the reflector 12 and covering the first sensing end 12a and the second sensing end 12b of the reflector 12. It will be appreciated that the mirror 12 has opposing reflective and back surfaces, with a magnetic film disposed on the back surface. The magnetic thin film can be deposited on the inner surface of the housing 11 or the surface of the reflector 12 by Physical Vapor Deposition (PVD). The magnetic thin films cover the first end 11a and the second end 11b of the housing 11, including providing the magnetic thin films at the first end 11a and the second end 11b of the housing 11, respectively, and providing the magnetic thin films in one piece extending from the first end 11a to the second end 11b of the housing 11. Similarly, the magnetic thin film covers the first sensing end 12a and the second sensing end 12b of the reflector 12, and includes disposing the magnetic thin films at the first sensing end 12a and the second sensing end 12b of the reflector 12, respectively, and disposing the magnetic thin film as a single piece extending from the first sensing end 12a to the second sensing end 12b of the reflector 12.
Further, the thickness of the magnetic thin film is 1 μm to 999 μm. By providing the magnetic thin film material of micron order, the amount of material used is reduced while magnetic sensing is achieved, thereby reducing the cost and reducing the influence of the arrangement of the magnetic thin film material on the overall weight of the mirror 12.
Fig. 8 is a schematic structural diagram of an angle adjusting apparatus according to another embodiment of the present application.
Referring to fig. 8, in some embodiments, a bracket 13 is disposed in the housing 11, and the magnetic element 20 or the magnetic sensing element 21 is mounted on the bracket 13. By providing the bracket 13 in the housing 11, the magnetic member 20 or the magnetic sensing member 21 is mounted on the bracket 13, so that the mounting of the magnetic member 20 or the magnetic sensing member 21 is facilitated. Wherein, the shape of the bracket 13 can be a long strip, an L shape, a T shape or a combination thereof. The housing 11 has two inner surfaces perpendicular to each other, and both ends of the bracket 13 are fixed to the two inner surfaces, respectively.
In some embodiments, the adjustment member 30 includes a gear rotatably mounted to the housing 11. The rotation of the gear drives the reflector 12 to rotate, so that the reflector 12 can be controlled to rotate to the initial position after the sensing assembly generates the sensing signal.
Specifically, the edge profile of the gear comprises a sawtooth section and a connecting section connected with the sawtooth section, the sawtooth section is used for being meshed with sawteeth on the edge of other driving wheels so as to drive the gear to rotate through the driving wheels, and the connecting section and the sawtooth section are combined to form a closed profile shape. Wherein, the connecting section comprises an arc section, a broken line section, a straight line section or the combination thereof. The gear and the reflector 12 are connected by a connector, and the shape of the connector is columnar, block or annular. When the connecting piece is in a columnar or block shape, two ends of the connecting piece are respectively connected with the gear and the reflector 12 in a bonding or clamping manner; when the shape of connecting piece is cyclic annular, can further set up the mounting hole on the gear, set up the installation position on speculum 12, cyclic annular connecting piece passes the mounting hole to be fixed in the installation position of speculum 12, thereby make gear revolve's in-process can drive speculum 12 and rotate, realize the adjustment to speculum 12 angle.
Based on the same purpose, the present application also provides a head up display, which includes the angle adjusting device in the above embodiments.
Further, referring to fig. 1, the head-up display 10 includes a housing 11, a light source 14, a plane mirror 15, a curved mirror 16, and a windshield 17, wherein the light source 14, the plane mirror 15, and the curved mirror 16 are disposed in the housing 11, the light source 14 is configured to project an image, the plane mirror 15 is configured to reflect the image projected by the light source 14 to the curved mirror 16, the curved mirror 16 is configured to reflect the image reflected by the plane mirror 15 to the windshield 17, and an adjusting member 30 of an angle adjusting device is connected to the curved mirror 16 to adjust the curved mirror 16 to an initial state after an angle of the curved mirror 16 is deflected.
Based on the same object, the present application also provides a vehicle including the head up display in the above embodiment.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent application shall be subject to the appended claims.
Claims (10)
1. An angle adjusting device for a head up display, the head up display includes a housing and a mirror disposed in the housing, the angle adjusting device for adjusting an angle of the mirror, the angle adjusting device comprising:
the sensing assembly comprises a magnetic part and a magnetic sensing part, one of the magnetic part and the magnetic sensing part is arranged on the shell, the other one of the magnetic part and the magnetic sensing part is arranged on the reflector, the magnetic part and the magnetic sensing part are arranged at intervals, and the magnetic sensing part is used for sensing the change of a magnetic field around the magnetic sensing part and generating a sensing signal; and
and the adjusting piece is connected with the reflecting mirror and adjusts the angle of the reflecting mirror according to the sensing signal generated by the magnetic sensing piece.
2. The angular adjustment apparatus of claim 1, wherein the housing has first and second ends opposite in a first direction;
the reflector has an initial state in which the reflector includes a first sensing end and a second sensing end opposite in a first direction;
the first end with first sensing end sets up relatively, the second end with second sensing end sets up relatively, first end with the second end all is equipped with sensing component.
3. The angle adjustment apparatus of claim 2, wherein a distance between the magnetic member and the magnetic sensing member is 5mm to 15mm in an initial state.
4. The angular adjustment apparatus of claim 2, wherein the magnetic member comprises a magnetic block, and the housing is provided with the magnetic block at both the first end and the second end, or the mirror is provided with the magnetic block at both the first sensing end and the second sensing end.
5. The angle adjusting apparatus of claim 4, wherein the magnetic sensing member is adhered or clamped to the housing, and the magnetic block is adhered or clamped to the reflector; or alternatively
The magnetic sensing piece is adhered or clamped on the reflector, and the magnetic block is adhered or clamped on the shell.
6. The angle adjusting apparatus of claim 2, wherein the magnetic member comprises a magnetic thin film disposed on an inner surface of the housing and covering the first end and the second end, or disposed on the mirror and covering the first sensing end and the second sensing end.
7. The angular adjustment apparatus of claim 1, wherein a bracket is provided in the housing, and the magnetic member or the magnetic sensing member is mounted on the bracket.
8. An angular adjustment device according to any of claims 1 to 7, wherein the adjustment member comprises a gear rotatably mounted to the housing.
9. A head-up display comprising the angle adjustment apparatus of any one of claims 1 to 8.
10. A vehicle comprising the heads-up display of claim 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210674070.XA CN114924419A (en) | 2022-06-15 | 2022-06-15 | Angle adjusting device, head-up display and vehicle |
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| CN202210674070.XA CN114924419A (en) | 2022-06-15 | 2022-06-15 | Angle adjusting device, head-up display and vehicle |
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