CN210376879U - Vehicle-mounted head-up display - Google Patents
Vehicle-mounted head-up display Download PDFInfo
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- CN210376879U CN210376879U CN201920688327.0U CN201920688327U CN210376879U CN 210376879 U CN210376879 U CN 210376879U CN 201920688327 U CN201920688327 U CN 201920688327U CN 210376879 U CN210376879 U CN 210376879U
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Abstract
The utility model discloses an on-vehicle new line display that uses, including casing, light emitting component, demonstration glass and adjustting of the lighteness subassembly, the casing inject hold the chamber and with the opening that holds the chamber intercommunication, light emitting component sets up hold the intracavity, just light emitting component includes the multiple luminescence unit that has different luminous intensity, adjustting of the lighteness subassembly is used for control luminescence unit's bright going out and/or change luminescence unit's luminance is so that multiple luminescence unit can join in marriage out different luminosities. The brightness of the vehicle-mounted head-up display can be adjusted on a large scale, and in the adjusting process, the brightness can be changed in a balanced mode, so that the vehicle-mounted head-up display has better visual presentation under various illumination conditions.
Description
Technical Field
The utility model relates to a display technical field, concretely relates to on-vehicle display for new line that uses.
Background
In order to enable information such as navigation, speed and oil quantity to be displayed to a driver in an intuitive mode, more and more vehicles are provided with head-up displays (HUDs), so that the sight of the driver does not need to leave the road surface when the driver acquires relevant information, and driving safety is facilitated.
In order to make various signals of the display clearly displayed under various lighting conditions, the brightness of the display is usually required to be changed with the environment, and 1 ten thousand cd/m is usually required in the daytime24-ten thousand cd/m2Luminance of 30cd/m at night2To 100cd/m2The brightness of (2). The screen brightness of the existing head-up display is fixed, or the change range is too small, or the change is unbalanced, so that the use requirement cannot be met.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent.
For this reason, according to the utility model discloses an embodiment provides an on-vehicle new line display that uses, and this on-vehicle new line display that uses includes:
a housing defining a receiving cavity and an opening communicating with the receiving cavity;
the light-emitting assembly is arranged in the accommodating cavity and comprises a plurality of light-emitting units with different light-emitting intensities;
the display glass is arranged at the opening; and
the brightness adjusting component is used for controlling the on-off of the light-emitting units and/or changing the brightness of the light-emitting units so that various light-emitting units can be matched with different light-emitting brightness.
As a further alternative of the vehicle-mounted head-up display, the light emitting assembly includes a lamp panel, a plurality of lamp beads are provided on the lamp panel, and each lamp bead forms one of the light emitting units.
As a further optional scheme of the vehicle-mounted head-up display, a plurality of mutually independent areas are formed on the lamp panel, and a lamp bead is uniformly arranged in each area.
As a further alternative of the vehicle-mounted head-up display, a bright area and a dark area are formed on the lamp panel, the dark area is located on two sides of the bright area, lamp beads with high luminous intensity are arranged in the bright area, and lamp beads with low luminous intensity are arranged in the dark area.
As a further alternative of the vehicle-mounted head-up display, different lamp beads are arranged on the lamp panel in a staggered mode.
As a further alternative of the head-up display for a vehicle, the light-emitting assembly further includes a lamp cap for condensing light to the light-emitting unit and an optical film for uniformly spreading light emitted from the light-emitting unit, and the lamp cap and the optical film are sequentially disposed between the light-emitting unit and the display glass.
As a further alternative of the head-up display for vehicles, the brightness adjustment assembly includes:
the light sensor is arranged outside the shell and used for sensing the light intensity of the external environment; and
and the control circuit board is connected to the light sensor and sends an instruction to the light-emitting component according to the light intensity sensed by the light sensor.
As a further alternative of the vehicle-mounted head-up display, the instruction includes an instruction for controlling the light-emitting unit to be turned on or off and an instruction for changing the magnitude of the current flowing through the light-emitting unit.
As a further alternative of the vehicle head-up display, the housing includes a lower cover and an upper cover covering the lower cover, the upper cover and the lower cover enclose the accommodating cavity, and the upper cover is provided with the opening.
As a further alternative of the vehicle-mounted head-up display, the housing further includes a bracket embedded in the lower cover, the bracket wraps the periphery of the light emitting assembly to avoid light leakage, a step surface is formed at the inner side of the bracket in a recessed manner, and the display glass is mounted on the step surface.
The utility model has the advantages that:
according to the vehicle-mounted head-up display in the embodiment, the light-emitting assembly comprises the plurality of light-emitting units with different light-emitting intensities, and the brightness adjusting assembly is combined to control the on and off of the light-emitting units and/or change the brightness of the light-emitting units, so that the plurality of light-emitting units can have various matching relations, the brightness of the vehicle-mounted head-up display can be adjusted in a large range, in the adjusting process, the brightness can be changed in a balanced manner, and the vehicle-mounted head-up display can be better visually presented under various illumination conditions.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is an exploded schematic view of an in-vehicle head-up display according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of an in-vehicle head-up display according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram illustrating a lamp panel of a vehicle head-up display according to an embodiment of the present invention;
fig. 4 is a control block diagram illustrating a brightness adjustment assembly of an in-vehicle head-up display according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an onboard head-up display attached projection screen according to an embodiment of the present invention.
Description of the main element symbols:
100-a housing; 200-a light emitting assembly; 300-display glass; 400-a brightness adjustment component; 500-adapting a mounting rack; 600-projection screen; 110-a lower cover; 120-upper cover; 130-a scaffold; 210-a lamp bead; 220-lamp panel; 230-a lamp cap; 240-an optical membrane; 410-a control circuit board; 420-a light sensor; 101-a containment chamber; 102-an opening; 111-a backplane; 112-peripheral plate; 121-enclosing plate; 131-step surface; 221-bright area; 222-dark region.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
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 implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. 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.
Examples
The embodiment provides an on-vehicle head-up display.
Referring to fig. 1-2, the vehicle head-up display includes a housing 100, a light emitting device 200, a display glass 300, and a brightness adjusting device 400.
The housing 100 defines an accommodating cavity 101 and an opening 102 communicating with the accommodating cavity 101, the accommodating cavity 101 provides an installation place for the light emitting assembly 200, the brightness adjusting assembly 400, and the like, and the opening 102 provides an installation place for the display glass 300.
In this embodiment, the housing 100 is preferably configured to be a sealed structure except for the opening 102, and after the light emitting assembly 200, the display glass 300, and the like are mounted in place, on one hand, light leakage of the whole vehicle head-up display can be avoided, and light utilization rate can be improved; on the other hand, the housing 100 with the sealing structure can well protect the light emitting assembly 200 and the like in the housing 100, and is beneficial to ensuring the service life of the vehicle-mounted head-up display.
In order to achieve the above functions of the casing 100, as an example, the casing 100 may include a lower cover 110 and an upper cover 120 covering the lower cover 110, the upper cover 120 and the lower cover 110 enclose to form an accommodating cavity 101, and the upper cover 120 is opened with an opening 102.
Specifically, the lower cover 110 includes a bottom plate 111 and a peripheral plate 112 disposed at an edge of the bottom plate 111, the bottom plate 111 and the peripheral plate 112 form a structure with an open top, the upper cover 120 is a frame body adapted to the outer dimension of the lower cover 110, the frame body is a hollow structure, when the frame body is covered on the lower cover 110, the upper cover 120 of the hollow structure forms a sealed structure with the lower cover 110 of the open structure except for the opening 102, and the opening 102 is formed by a hollow portion of the upper cover 120.
Further, in a preferred connection method of the upper cover 120 and the lower cover 110, the upper cover 120 has a surrounding plate 121 capable of surrounding the peripheral plate 112 of the lower cover 110, and the surrounding plate 121 and the peripheral plate 112 are in an interference fit, so that the sealing effect after the upper cover 120 and the lower cover 110 are connected can be further improved.
In addition, the housing 100 further includes a bracket 130 embedded in the lower cover 110, the bracket 130 surrounds the light emitting assembly 200 to prevent light leakage, a step surface 131 is concavely formed on the inner side of the bracket 130, and the display glass 300 is mounted on the step surface 131.
At this time, it can be understood that the bracket 130 is designed as a second heavy structure of the housing 100, and by disposing the bracket 130 in the lower cover 110, the bracket 130 can work together with the upper cover 120 and the lower cover 110 to further improve the sealing effect and prevent light leakage. Meanwhile, since the step surface 131 is formed on the inner side of the bracket 130, the step surface 131 is designed to be sunken, that is, after the display glass 300 is mounted on the step surface 131, at least the edge of the display glass 300 can be hidden and accommodated in the accommodating cavity 101 formed in the housing 100, thereby ensuring the sealing effect around the display glass 300 and being beneficial to improving the display effect of the display glass 300.
The light emitting assembly 200 has light emitting units with different light emitting intensities, and the brightness adjusting assembly 400 is used for controlling the on/off of the light emitting units and/or changing the brightness of the light emitting units so that various light emitting units can be matched with different light emitting brightness.
Thus, the light-emitting assembly 200 of the present application includes a plurality of light-emitting units with different light-emitting intensities, and the brightness adjusting assembly 400 is further used to control the on/off of the light-emitting units and/or change the brightness of the light-emitting units, so that the plurality of light-emitting units can have various different matching relationships, and finally the brightness of the vehicle-mounted head-up display can be adjusted in a large range.
Specifically, the light-emitting units with different light-emitting intensities can be collocated in a lighting and extinguishing mode, also can be collocated in a brightness changing mode, and can also be collocated in a combination of the lighting and extinguishing mode and the brightness changing mode, so that the light-emitting units can be collocated with various light-emitting brightness, the range of the brightness can be large enough, and the brightness can realize balanced change in the transition process of various brightness.
In one embodiment, the light emitting assembly 200 includes a lamp panel 220, and a plurality of lamp beads 210 are disposed on the lamp panel 220, each lamp bead 210 forming a light emitting unit.
It should be noted here that the type of the lamp beads 210, the specific number and arrangement of each type of the lamp beads 210 may be set according to circumstances, for example, the type, the specific number and the arrangement may be set according to the size of the display glass 300 and the content presented on the display glass 300. In some cases, the user expects that information of speed, oil amount and the like can be clearly displayed, and then the lamp beads 210 with higher luminous intensity or more lamp beads 210 can be arranged in the corresponding areas of the display speed and the oil amount.
However, in general, in order to ensure a better overall visual effect, the brightness of the display glass 300 should be uniformly set, and at this time, the lamp beads 210 are required to be arranged on the lamp panel 220 according to a certain rule.
In some specific embodiments, the lamp panel 220 is formed with a plurality of mutually independent regions, and each region is uniformly provided with a lamp bead 210.
The advantage of carrying out above-mentioned setting lies in, and different regions can set up heterogeneous lamp pearl 210, and the classification of being convenient for, brightness control subassembly 400 can carry out accurate, simple control.
Referring to fig. 3, in some more specific embodiments, a bright area 221 and a dark area 222 may be formed on the lamp panel 220, the dark area 222 is located on two sides of the bright area 221, the bright area 221 is provided with the lamp beads 210 with higher luminous intensity, and the dark area 222 is provided with the lamp beads 210 with lower luminous intensity.
Therefore, when higher brightness is needed (for example, in a day with enough light), all the lamp beads 210 of the bright area 221 and the dark area 222 can be controlled to be simultaneously lighted, so that the vehicle-mounted head-up display achieves high brightness, and a user can see related information clearly even in the day. When low brightness is needed (for example, at night), the lamp beads 210 in the bright area 221 can be controlled to be turned off, and the lamp beads 210 in the dark area 222 are turned on, so that the vehicle-mounted head-up display achieves low brightness, and therefore, under the condition of low light intensity, a user can see related information clearly and cannot be dazzled.
In combination with the foregoing, the current flowing through the lamp bead 210 can be controlled by the brightness adjusting component 400, so that the brightness of the lamp bead 210 can be changed, at this time, the lamp bead 210 can be matched with various brightness by combining the control on the on/off of the lamp bead 210, the brightness range can be large enough, and meanwhile, in the conversion process of various brightness, the brightness can realize balanced change
In other specific embodiments, the lamp beads 210 may also be disposed on the lamp panel 220 without being divided into different regions, for example, the lamp beads 210 may be disposed on the lamp panel 220 in a staggered manner.
In some other specific embodiments, the lamp beads 210 may also be uniformly arranged on the lamp panel 220 at intervals in a circular array or a rectangular array.
The above description is only for illustrating the arrangement of the lamp beads 210, and is intended to emphasize that the variety, arrangement, and the like of the lamp beads 210 can have various modifications, and the above embodiments are not intended to limit the variety, arrangement, and the like, but to enable the technical solution of the present application to be better understood.
In addition to the above embodiments that use the lamp beads 210 and the lamp panel 220 to form the light emitting assembly 200, in some embodiments, the light emitting assembly 200 may also be formed by other light emitting units, for example, the light emitting units may use OLEDs, etc.
With continued reference to fig. 1-2, in some embodiments, the light-emitting assembly 200 may further include a cap 230 for focusing light to the light-emitting unit (e.g., the lamp bead 210) and an optical film 240 for uniformly dispersing light emitted from the light-emitting unit, wherein the cap 230 and the optical film 240 are sequentially disposed between the light-emitting unit and the display glass 300.
Through the arrangement of the lamp cap 230 and the optical film 240, the light of the light emitting unit can be focused and uniformly used, which is beneficial to improving the final display effect.
Referring to fig. 4, in an embodiment, the brightness adjustment assembly 400 includes a light sensor 420 and a control circuit board 410.
The light sensor 420 is disposed outside the housing 100 and is configured to sense the light intensity of the external environment. The control circuit board 410 is connected to the light sensor 420, and sends a command to the light emitting assembly 200 according to the light intensity sensed by the light sensor 420.
In combination with the above, the command includes a command for controlling the light-emitting unit to turn on or off and a command for changing the current flowing through the light-emitting unit.
It should be noted that, for the purpose of implementing the control circuit board 410, an MCU may be integrated on the control circuit board 410, and the MCU may analyze and calculate the light intensity of the external environment sensed by the light sensor 420, and then correspondingly control the light emitting unit according to the calculation result.
Referring to fig. 5, based on the installation and usage environment of the vehicle-mounted head-up display, the vehicle-mounted head-up display may further include an adapter bracket 500 and a projection screen 600, the housing 100 and the projection screen 600 are both mounted on the adapter bracket 500, and the adapter bracket 500 and the projection screen 600 mainly function to change the position of information displayed on the display glass 300, thereby facilitating the installation of the vehicle-mounted head-up display according to different vehicle body structures.
As can be seen from the above description of the embodiments of the present invention, the embodiments of the present invention at least have the following technical effects:
1. the brightness of the vehicle-mounted head-up display can be adjusted in a large range, and in the adjusting process, the brightness can be changed in a balanced manner, so that the vehicle-mounted head-up display can be better visually presented under various illumination conditions;
2. compact structure and good sealing effect.
3. The display effect is good.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A vehicle-mounted head-up display is characterized by comprising:
a housing defining a receiving cavity and an opening communicating with the receiving cavity;
the light-emitting assembly is arranged in the accommodating cavity and comprises a plurality of light-emitting units with different light-emitting intensities;
the display glass is arranged at the opening; and
the brightness adjusting component is used for controlling the on-off of the light-emitting units and/or changing the brightness of the light-emitting units so that various light-emitting units can be matched with different light-emitting brightness.
2. The vehicle-mounted head-up display according to claim 1, wherein the light-emitting assembly includes a lamp panel, and a plurality of kinds of lamp beads are provided on the lamp panel, each kind of lamp beads forming one kind of the light-emitting unit.
3. The vehicle-mounted head-up display according to claim 2, wherein the lamp panel is formed with a plurality of mutually independent regions, and a lamp bead is uniformly arranged in each region.
4. The vehicle-mounted head-up display according to claim 3, wherein a bright area and a dark area are formed on the lamp panel, the dark area is located on two sides of the bright area, lamp beads with high luminous intensity are arranged in the bright area, and lamp beads with low luminous intensity are arranged in the dark area.
5. The vehicle-mounted head-up display of claim 2, wherein different lamp beads are arranged on the lamp panel in a staggered manner.
6. The head-up display for vehicle according to any one of claims 1 to 5, wherein the light-emitting assembly further comprises a lamp cap for condensing light from the light-emitting unit and an optical film for uniformly spreading light emitted from the light-emitting unit, and the lamp cap and the optical film are sequentially disposed between the light-emitting unit and the display glass.
7. The head-up display for vehicle of claim 1, wherein the brightness adjustment assembly comprises:
the light sensor is arranged outside the shell and used for sensing the light intensity of the external environment; and
and the control circuit board is connected to the light sensor and sends an instruction to the light-emitting component according to the light intensity sensed by the light sensor.
8. The vehicle-mounted head-up display according to claim 7, wherein the command includes a command for controlling on/off of the light emitting unit and a command for changing a magnitude of a current flowing through the light emitting unit.
9. The vehicle head-up display according to claim 1, wherein the housing includes a lower cover and an upper cover covering the lower cover, the upper cover and the lower cover enclose the accommodating cavity, and the upper cover is provided with the opening.
10. The vehicle-mounted head-up display according to claim 9, wherein the housing further comprises a bracket embedded in the lower cover, the bracket covers the periphery of the light emitting element to prevent light leakage, and a stepped surface is formed at an inner side of the bracket in a recessed manner, and the display glass is mounted on the stepped surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920688327.0U CN210376879U (en) | 2019-05-14 | 2019-05-14 | Vehicle-mounted head-up display |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920688327.0U CN210376879U (en) | 2019-05-14 | 2019-05-14 | Vehicle-mounted head-up display |
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| CN210376879U true CN210376879U (en) | 2020-04-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110208945A (en) * | 2019-05-14 | 2019-09-06 | 深圳市歌美迪实业有限公司 | A kind of vehicle-mounted head up display |
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- 2019-05-14 CN CN201920688327.0U patent/CN210376879U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110208945A (en) * | 2019-05-14 | 2019-09-06 | 深圳市歌美迪实业有限公司 | A kind of vehicle-mounted head up display |
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