CN209707815U - Automobile and its head-up-display system - Google Patents
Automobile and its head-up-display system Download PDFInfo
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- CN209707815U CN209707815U CN201920413452.0U CN201920413452U CN209707815U CN 209707815 U CN209707815 U CN 209707815U CN 201920413452 U CN201920413452 U CN 201920413452U CN 209707815 U CN209707815 U CN 209707815U
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Abstract
The utility model relates to a kind of automobile and its head-up-display systems.Head-up-display system includes display unit main body, projection screen and control circuit.Display unit main body includes display screen.Projection screen is installed on display unit main body.Projection screen includes the first transparent substrate, the second transparent substrate and the liquid crystal film being held between the first transparent substrate and the second transparent substrate.Control circuit includes input terminal, the first output end and second output terminal.First output end is electrically connected with the two poles of the earth of liquid crystal film, and second output terminal is electrically connected with the two poles of the earth of display screen.Wherein, the first output end and the output voltage of second output terminal can be raised and lowered according to the input electrical signal of input terminal.Therefore, above-mentioned head-up-display system is under Special use environment, the brightness of the light transmittance and display screen of adjusting liquid crystal film can be passed through, the display for the information for projecting to display screen on projection screen is relatively sharp, the reliability of head-up-display system is effectively improved, so that the use reliability of automobile is also higher.
Description
Technical field
The utility model relates to display technology fields, more particularly to a kind of automobile and its head-up-display system.
Background technique
Head-up-display system, also known as HUD display, the principle that can use optical reflection project the data image of needs
Onto the projection screen in front, realize that driver does not have to bow to look squarely and see the purpose for needing information, reduce bow with
The quick variation and eyes focal length for ignoring external environment between new line need the continuous delay for adjusting and generating and uncomfortable, raising
The safety of driving and comfort.
But when extraneous light intensity is strong, head-up-display system projects to text and image information on projection screen
What can be become is unintelligible, or in the case where external insufficient light, and the information on projecting glass is excessively dazzling, and influences driver
Acquisition and its driving safety to important information, to affect the reliability of head-up-display system in particular circumstances.
Utility model content
Based on this, it is necessary to for the lower problem of the reliability of traditional head-up-display system in particular circumstances, mention
For a kind of higher automobile of reliability and its head-up-display system.
A kind of head-up-display system, comprising:
Display unit main body, including display screen；
The projection screen being installed on the display unit main body, including the first transparent substrate, the second transparent substrate and be held on
Liquid crystal film between first transparent substrate and second transparent substrate；And
Control circuit, including input terminal, the first output end and second output terminal, first output end and the liquid crystal film
The two poles of the earth electrical connection, the second output terminal is electrically connected with the two poles of the earth of the display screen；
Wherein, first output end and the output voltage of the second output terminal are according to the input telecommunications of the input terminal
It number can be raised and lowered.
It in one of the embodiments, further include the photosensitive sensor being installed on the display unit main body, it is described photosensitive
Sensor is used to obtain the intensity signal of environment and the intensity signal is converted into the input electrical signal, the light sensor
Device is electrically connected with the input terminal.
In one of the embodiments, further include remote control device, light transmittance adjusting knob be provided on the remote control device,
The remote control device is used to the interactive operation for carrying out the light transmittance adjusting knob being converted to the input electrical signal；
It further include brightness regulation knob on the remote control device, the remote control device is used for will be to the brightness regulation knob
The interactive operation of progress is converted to the input electrical signal.
The projection screen further includes the first polarizer and the second polarizer in one of the embodiments, and described first partially
Tabula rasa fits in first transparent substrate backwards to the surface of the liquid crystal film side, and second polarizer fits in described
Surface of two transparent substrates backwards to the liquid crystal film side.
First transparent substrate and second transparent substrate are glass plate in one of the embodiments,.
The side of the display unit main body is provided with power interface in one of the embodiments,.
The projection screen is rotatably coupled with the display unit main body in one of the embodiments,.
It in one of the embodiments, further include pedestal, the display unit main body is installed backwards to the side of the projection screen
In on the pedestal.
The display unit main body is removably installed on the pedestal in one of the embodiments,.
A kind of automobile, including
Instrument desk:
Head-up-display system, the display unit main body are installed on the instrument desk.
Above-mentioned automobile and its head-up-display system, in use, the light transmittance of liquid crystal film can be according to the output of the first output end
The raising of voltage and reduce or increased according to the reduction of the output voltage of the first output end, the brightness of display screen can be according to second
The raising of the output voltage of output end and increase or reduced according to the reduction of the output voltage of second output terminal.Liquid as a result,
The brightness of the light transmittance and display screen of epitaxial is adjustable.Therefore, above-mentioned head-up-display system under Special use environment (for example,
Under the daytime very strong or environment that night light is very dark of light), it can be made by adjusting the brightness of the light transmittance and display screen of liquid crystal film
The display that display screen projects to the information on projection screen is apparent, clear, effectively improves head-up-display system
Reliability, so that the use reliability of automobile is also higher.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the head-up-display system of automobile in the utility model preferred embodiment；
Fig. 2 is the partial enlarged view of head-up-display system shown in Fig. 1；
Fig. 3 is structural schematic diagram of the projection screen under liquid crystal film fully on state in head-up-display system shown in Fig. 1；
Fig. 4 is structural schematic diagram of the projection screen under half on state of liquid crystal film in head-up-display system shown in Fig. 1；
Fig. 5 is structural schematic diagram of the projection screen under liquid crystal film closed state in head-up-display system shown in Fig. 1；
Fig. 6 is the structural schematic diagram of the steering wheel of automobile in the utility model preferred embodiment；
Fig. 7 is the partial enlarged view of steering wheel shown in Fig. 6.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes to the utility model
The understanding of disclosure is more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more related listed items.
Referring to Fig. 1, the utility model provides a kind of automobile 10 and its head-up-display system 100.Wherein, automobile 10 wraps
Include instrument desk 200 and head-up-display system 100.
Head-up-display system 100 is installed on instrument desk 200.Specifically, head-up-display system 100 is installed on instrument desk
200 position between steering wheel 300 and front windshield, so that driver sees while looking squarely the what comes into a driver's outside vehicle forward
Important information on head-up-display system 100, in order to which driver does not have to bow and can obtain in 10 driving process of automobile
The information needed ensure that the driving safety of driver.
Referring to Figure 2 together, the head-up-display system 100 in the utility model preferred embodiment includes display unit main body
110, projection screen 120 and control circuit (not shown).
Important component of the display unit main body 110 as head-up-display system 100, for required for whole merging treatment driver
Information, these informations to be exported in the form of text, image etc..In automobile 10, display unit main body is installed on
On instrument desk 200.Display unit main body 110 includes display screen 111.Display screen 111 is the output unit of display unit main body 110, main
It is used to show that information required for driver to be projected in a manner of text, image etc. on other component to show.
Projection screen 120 is installed on display unit main body 110.Head-up-display system 100 will be in use, display unit main body 110 will
The information being shown on display screen 111 is projected to projection screen 120, therefore projection screen 120 mainly plays a part of to show information.
Under normal circumstances, projection screen 120 is transparent or semitransparent plate structure.It is appreciated that under special circumstances, for example, extraneous
In the extremely strong situation of light, in order to guarantee the display effect of information, projection screen 120 or opaque plate knot
Structure.
Also referring to Fig. 3 to Fig. 5, projection screen 120 includes the first transparent substrate 121, the second transparent substrate 122 and clamping
Liquid crystal film 123 between the first transparent substrate 121 and the second transparent substrate 122.First transparent substrate 121 and the second transparent base
Plate 122 can be glass plate, transparent plastic sheet etc..
In the present embodiment, the first transparent substrate 121 and the second transparent substrate 122 are transparency glass plate.Due to glass
With characteristics such as good perspective performance, higher chemical stabilities, so that the first transparent substrate 121 and the second transparent substrate
122 also have good light transmission, higher chemical stability.As a result, by the first transparent substrate 121 and the second transparent substrate
122 are disposed as glass plate, so that projection screen 120 has stronger ageing resistance, so that projection screen 120 uses the longevity
It orders also longer.
Control circuit includes input terminal, the first output end and second output terminal.Wherein the first output end and liquid crystal film 123
The two poles of the earth electrical connection, second output terminal are electrically connected with the two poles of the earth of display screen 111.
Wherein, the first output end and the output voltage of second output terminal can be increased or be dropped according to the input electrical signal of input terminal
It is low.
The translucency of liquid crystal film 123 is related with the output voltage of the first output end, and the light transmittance of liquid crystal film 123 can be with liquid
The raising of 123 liang of pole tensions of epitaxial and reduce, increased with the reduction of 123 liang of pole tensions of liquid crystal film.Specifically, working as liquid crystal film
The voltage pole hour at 123 the two poles of the earth, when the liquid crystal molecule 1231 of liquid crystal film 123 is in fully on state, projection screen 120 is in saturating
Bright state；When the voltage at 123 the two poles of the earth of liquid crystal film is in intermediate range, the liquid crystal molecule of liquid crystal film 123 is in half on state
When, projection screen 120 is in translucent；When the voltage at 123 the two poles of the earth of liquid crystal film is very big, the liquid crystal molecule of liquid crystal film 123
1231 when being in close state, and projection screen 120 is in opaque state.
The brightness of display screen 111 is related with the voltage at 111 the two poles of the earth of display screen, and the brightness of display screen 111 is with display screen 111
The raising of the voltage at the two poles of the earth and increase, reduce with the reduction of the voltage at 111 the two poles of the earth of display screen.
When head-up-display system 100 uses under the weaker use environment of light:
The output voltage of first output end is reduced according to the input electrical signal of input terminal, therefore is loaded at 123 the two poles of the earth of liquid crystal film
Voltage can also reduce so that the light transmittance of liquid crystal film 123 increases with the reduction of 123 liang of pole tensions of liquid crystal film, with
The environment for facilitating driver to be checked outside vehicle in the process of moving；
The output voltage of second output terminal is reduced according to the input electrical signal of input terminal, therefore is loaded at 111 the two poles of the earth of display screen
Voltage can also reduce so that the brightness of display screen 111 with load 111 liang of pole tensions of display screen reduction and subtract
It is small, so that the display brightness that display screen 111 projects to the information on projection screen 120 is dimmed.
When head-up-display system 100 uses under the stronger use environment of light:
The output voltage for the first output end being electrically connected with 123 the two poles of the earth of liquid crystal film is increased according to the electric signal of input terminal, therefore
Loading the voltage at 123 the two poles of the earth of liquid crystal film can also increase, so that the light transmittance of liquid crystal film 123 is with 123 the two poles of the earth of liquid crystal film
The raising of voltage and reduce so that driver is compared with the information that can be clearly checked on projection screen 120 under dark situation；
The output voltage for the second output terminal being electrically connected with 111 the two poles of the earth of display screen is increased according to the electric signal of input terminal, therefore
Loading the voltage at 111 the two poles of the earth of display screen can also increase, so that the brightness of display screen 111 is as load is in display screen 111
The raising of two pole tensions and increase so that the display brightness for the information that display screen 111 projects on projection screen 120 brightens.
Above-mentioned head-up-display system 100 is under Special use environment (for example, light on daytime is very strong or night light as a result,
Under very dark environment), display screen 111 can be made to project to by the brightness of the light transmittance and display screen 111 of adjusting liquid crystal film 123
The display of information on projection screen 120 is apparent, clear, so that effectively improve head-up-display system 100 can
By property.
Referring to Fig. 2, in the present embodiment, head-up-display system 100 further includes being installed on display unit main body 110
Photosensitive sensor 130.Photosensitive sensor 130 is used to obtain the intensity signal of environment, and intensity signal is converted into input telecommunications
Number.Photosensitive sensor 130 is electrically connected with input terminal.
As a result, photosensitive sensor 130 can according to the light intensity in environment come the input electrical signal of adjust automatically input terminal,
To realize the automatic adjustment of the brightness of the light transmittance and display screen 111 of liquid crystal film 123.Therefore, above-mentioned head-up-display system 100
In use, the automatic adjustment of the brightness of the light transmittance of liquid crystal film 123 and display screen 111, so that above-mentioned new line display system
System 100 using more convenient.
Specifically, photosensitive sensor 130 includes inductive head (not shown) and sensor circuit unit (not shown).Wherein, feel
Circuit unit is answered to be installed in display unit main body 110, inductive head is installed on the side of display unit main body 110.In automobile 10, sense
Head is answered to be arranged towards windshield, accurately to acquire extraneous light intensity information.Therefore, light-inductive device 130 can be quasi-
Really obtain extraneous light intensity information.
Referring to Figure 6 together and Fig. 7, in the present embodiment, head-up-display system 100 further includes remote control device 140.Remote control
Light transmittance adjusting knob 141 is provided on device 140.Remote control device 140 is used for the friendship that will be carried out to light transmittance adjusting knob 141
Interoperability is converted to input electrical signal.The output voltage for the first output end being electrically connected with 123 the two poles of the earth of liquid crystal film can be by saturating
Light rate adjusting knob 141 carries out rotation process and is raised and lowered.
As a result, in actual use, if the display effect of Current projection screen 120 can not be such that driver is satisfied with,
Driver can according to demands of individuals, by way of rotating light transmittance adjusting knob 141 forward or backwards manually, to increase or
Reduce the light transmittance of projection screen 120.Therefore, it is set to the setting of the light transmittance adjusting knob 141 on remote control device 140, so that
Head-up-display system 100 can also manually adjust the light transmittance of projection screen 120, so that the use of head-up-display system 100
It is more convenient.
It is understood that the adjusting of 123 light transmittance of liquid crystal film can manually or automated manner is realized, it can also be with
It is realized by way of manually and automatically combining.
Brightness regulation knob 142 is additionally provided on remote control device 140.Remote control device 140 is used for will be to brightness regulation knob
142 interactive operations carried out are converted into input electrical signal.The output voltage for the second output terminal being electrically connected with display screen the two poles of the earth can
It is raised and lowered and carrying out rotation process to brightness regulation knob.
As a result, in actual use, if the display effect of Current projection screen 120 can not be such that driver is satisfied with,
Driver can be according to demands of individuals, by rotating brightness regulation knob 142 forward or backwards manually, to increase or decrease projection
The brightness of screen 120.Therefore, the setting of brightness regulation knob 142 effectively improves the convenience that head-up-display system 100 uses
Property.
It is understood that the adjusting of 111 brightness of display screen can manually or automated manner is realized, can also lead to
The mode manually and automatically combined is crossed to realize.
For ease of use, further, in the present embodiment, remote control device 140 is mountable on steering wheel 300.It will
When remote control device 140 is installed on steering wheel 300, driver does not have to deliberately look for remote control device 140, so that it may easily realize
Manual operation to remote control device 140.Therefore, remote control device 140 is mountable on steering wheel 300, further improves lift
The ease of use of head display system 100.
Referring to Fig. 3, in the present embodiment, projection screen 120 further includes the first polarizer 124 and the second polarizer
125.First polarizer 124 fits in the first transparent substrate 121 backwards to the surface of 123 side of liquid crystal film.Second polarizer 125 patch
Together in the second substrate backwards to the surface of 123 side of liquid crystal film.Since polarizer mainly plays dissipation surface reflection, scattering natural light,
To increase the effect of 120 visual angle of projection screen.Therefore, the setting of polarizer can increase the visual angle of projection screen 120, to improve
The display effect of projection screen 120.
Referring to Fig. 2, in this example it is shown that 110 side of device main body is provided with power interface 112.Power supply connects
Mouth 112 is for connecting extraneous power supply, to provide electric energy for head-up-display system 100.Specifically, power interface 112 can be direct
It is electrically connected with extraneous fixed power source and thinks that head-up-display system 100 charges, the power supply that can also be directly connected on vehicle, to come back
Display system 100 provides electric energy.
Referring to Fig. 1 and Fig. 2, further, in the present embodiment, head-up-display system 100 further includes and power supply
The OBD power supply line 150 that interface 112 is electrically connected.Specifically, OBD power supply line 150 is electrically connected with onboard diagnostic system (abbreviation OBD).Cause
This, the use of OBD power supply line 150 so that head-up-display system 100 on vehicle using more convenient.
In the present embodiment, projection screen 120 is rotatably coupled with display unit main body 110.Projection screen 120 can be with as a result,
Relative to 110 open or close of display unit main body.It when it is desired to be used, can be by projection screen 120 relative to display unit main body 110
It opens, to facilitate driver that can check the information of needs at any time in vehicle travel process.When vehicle is in unused state
Or projection screen 120 can be closed, no when being in unused state by head-up-display system 100 relative to display unit main body 110
But can enter in display unit main body 110 to avoid dust, water etc. influences its service performance.Therefore, by projection screen 120 be set to
Display unit main body 110 is rotatably coupled, so that head-up-display system 100 is more convenient to use.
Further, in the present embodiment, projection screen 120 is rotationally connected by hinge 160 with display unit main body 110
It connects.Hinge 160 is the mechanical device for connecting two solids and allowing to relatively rotate between the two, can projection screen 120 with
It is worked as a buffer in 110 closing course of display unit main body, projection screen 120 and display unit main body 110 collide when greatly reducing closure
The sound of sending.Therefore, the setting of hinge 160, so that the process that projection screen 120 and display unit main body 110 open and close is more
While being sensitive, the noise that is generated when reducing closure.
Referring to Fig. 1 and Fig. 2, in the present embodiment, head-up-display system 100 further includes pedestal 170.Display master
The side of 110 rear projection screen 120 of body is installed on pedestal 170.Pedestal 170 mainly plays support and connection function.In automobile 10
In, pedestal 170 is fixed on instrument desk 200.Specifically in the present embodiment, pedestal 170 is bonded on instrument desk 200.Therefore, bottom
The setting of seat 170, so that the installation of head-up-display system 100 is more convenient.
Further, in this example it is shown that device main body 110 is by being fastened on pedestal 170.It shows as a result,
Device main body 110 realizes setting that is detachably connected, therefore buckling with pedestal 170, so that display unit main body 110 and pedestal 170
It dismounts more convenient.In actual use, inevitably head-up-display system 100 needs repairing, renews
Situation, and the setting buckled, so that the maintenance of head-up-display system 100, the work such as to renew more convenient.
Above-mentioned automobile 10 and its head-up-display system 100, in use, the light transmittance of liquid crystal film 123 can be according to the first output
The raising of the output voltage at end and reduce or increased according to the reduction of the output voltage of the first output end, display screen 111 it is bright
Degree can be increased according to the raising of the output voltage of second output terminal or according to the reduction of the output voltage of second output terminal and
Reduce.The brightness of the light transmittance of liquid crystal film 123 and display screen 111 is adjustable as a result,.Therefore, above-mentioned head-up-display system 100 exists
Under Special use environment (for example, under the environment that light on daytime is very strong or night light is very dark), it can pass through and adjust liquid crystal film 123
The brightness of light transmittance and display screen 111, the display for the information for projecting to display screen 111 on projection screen 120 is apparent,
Clearly, the reliability of head-up-display system 100 is effectively improved, so that the use reliability of automobile 10 is also higher.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of head-up-display system characterized by comprising
Display unit main body, including display screen；
The projection screen being installed on the display unit main body, including the first transparent substrate, the second transparent substrate and be held on described
Liquid crystal film between first transparent substrate and second transparent substrate；And
The two of control circuit, including input terminal, the first output end and second output terminal, first output end and the liquid crystal film
Pole electrical connection, the second output terminal are electrically connected with the two poles of the earth of the display screen；
Wherein, first output end and the output voltage of the second output terminal can according to the input electrical signal of the input terminal
It is raised and lowered.
2. head-up-display system according to claim 1, which is characterized in that further include being installed on the display unit main body
Photosensitive sensor, the photosensitive sensor be used for obtain environment intensity signal and the intensity signal is converted into described defeated
Enter electric signal, the photosensitive sensor is electrically connected with the input terminal.
3. head-up-display system according to claim 1, which is characterized in that it further include remote control device, the remote control device
On be provided with light transmittance adjusting knob, the remote control device will be for that will turn the interactive operation that the light transmittance adjusting knob carries out
It is melted into the input electrical signal；
It further include brightness regulation knob on the remote control device, the remote control device will be for that will carry out the brightness regulation knob
Interactive operation be converted to the input electrical signal.
4. head-up-display system according to claim 1, which is characterized in that the projection screen further include the first polarizer and
Second polarizer, first polarizer fit in first transparent substrate backwards to the surface of the liquid crystal film side, described
Second polarizer fits in second transparent substrate backwards to the surface of the liquid crystal film side.
5. head-up-display system according to claim 1, which is characterized in that first transparent substrate and described second is thoroughly
Bright substrate is glass plate.
6. head-up-display system according to claim 1, which is characterized in that the side of the display unit main body is provided with electricity
Source interface.
7. head-up-display system according to claim 1, which is characterized in that the projection screen and the display unit main body can
Rotationally connect.
8. head-up-display system according to claim 1, which is characterized in that it further include pedestal, the display unit main body back
It is installed on the pedestal to the side of the projection screen.
9. head-up-display system according to claim 8, which is characterized in that the display unit main body is removably installed in
On the pedestal.
10. a kind of automobile, which is characterized in that including
Instrument desk:
Head-up-display system as described in any one of claim 1 to 9, the display unit main body are installed on the instrument desk.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920413452.0U CN209707815U (en) | 2019-03-28 | 2019-03-28 | Automobile and its head-up-display system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920413452.0U CN209707815U (en) | 2019-03-28 | 2019-03-28 | Automobile and its head-up-display system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112918394A (en) * | 2021-02-02 | 2021-06-08 | 梦幻世界科技(珠海)有限公司 | Novel car new line shows HUD device |
| US20230129293A1 (en) * | 2020-04-29 | 2023-04-27 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Projection display device and projection display equipment |
-
2019
- 2019-03-28 CN CN201920413452.0U patent/CN209707815U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230129293A1 (en) * | 2020-04-29 | 2023-04-27 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Projection display device and projection display equipment |
| US11940721B2 (en) * | 2020-04-29 | 2024-03-26 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Projection display device and projection display equipment |
| CN112918394A (en) * | 2021-02-02 | 2021-06-08 | 梦幻世界科技(珠海)有限公司 | Novel car new line shows HUD device |
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