CN208338157U - Vehicle instrument board - Google Patents
Vehicle instrument board Download PDFInfo
- Publication number
- CN208338157U CN208338157U CN201820640590.8U CN201820640590U CN208338157U CN 208338157 U CN208338157 U CN 208338157U CN 201820640590 U CN201820640590 U CN 201820640590U CN 208338157 U CN208338157 U CN 208338157U
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- instrument board
- display panel
- vehicular instrument
- air
- piezoelectric
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 11
- 229920000642 polymer Polymers 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 5
- 229920003266 Leaf® Polymers 0.000 description 17
- 238000010586 diagram Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 6
- 239000004973 liquid crystal related substance Substances 0.000 description 6
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001962 electrophoresis Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000002305 electric material Substances 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- Instrument Panels (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
A vehicle instrument panel comprises a display panel, a solar panel for absorbing solar energy, a control unit electrically connected with the solar panel and a piezoelectric actuator. The solar panel is used for absorbing solar energy and converting the solar energy into current. The piezoelectric actuator is arranged corresponding to the display panel and electrically connected with the control unit. The control unit is electrically connected with the solar panel, the current is converted into a voltage signal, and the piezoelectric actuator deforms according to the voltage signal to provide airflow.
Description
Technical field
The utility model relates to a kind of Vehicular instrument boards；Specifically, the utility model relates to one kind to have cooling mechanism
Vehicular instrument board.
Background technique
Show the continuous development of science and technology, liquid crystal display device (Liquid Crystal Display, LCD), electrophoresis showed
The display science and technology such as device (Electrophoresis Display, EPD) is sufficiently applied to each sphere of life, wherein vehicle
Carry one of the main application fields that display device is even more these above-mentioned display devices.
Display device for mounting on vehicle includes instrument board, sound equipment display screen and navigation display screen etc., because being to be directly installed on vehicle
On body, locating for environment can also change with the movement of vehicle, therefore display device for mounting on vehicle also can be at different temperature
Running.Meanwhile other than the chip of display device itself and back light can generate thermal energy, vehicle operate when thermal energy and
Thermal energy brought by sunlight also will increase the temperature of display device for mounting on vehicle.Since the property of liquid crystal can follow temperature change, when
When environment temperature is excessively high, above-mentioned display device can also reduce the quality of display.When display device applications are in motor-car, electric vehicle
Or when the vehicles such as electric bicycle, the instrument board being directly exposed under the sun is easier to lose due because of the exposure of the sun
Display effect.Therefore, the temperature for how improving display device for vehicle is one of current problem to be solved.
Utility model content
The purpose of this utility model is to provide one kind can generate air-flow when Vehicular instrument board is irradiated by sunlight
To provide the mechanism of display panel heat dissipation, the standby temperature of display panel or operating temperature is allowed to maintain range appropriate.
In order to achieve the above object, the utility model provides a kind of Vehicular instrument board, it includes:
One display panel；
One solar panels to absorb a solar energy, and are converted to an electric current；
One control unit is electrically connected the solar panels, and the electric current is converted into a voltage signal；And
One piezoelectric actuator, the corresponding display panel are arranged and are electrically connected the control unit, and piezoelectric actuator foundation should
Voltage signal generates deformation, to provide an air-flow.
Above-mentioned Vehicular instrument board, wherein the piezoelectric actuator includes a piezoelectric patches and a spring leaf, the spring leaf
It is connected to the piezoelectric patches and protrudes from the piezoelectric patches towards the direction of the display panel, which generates shape according to the voltage signal
Become and the spring leaf is driven to swing, to form the air-flow.
Above-mentioned Vehicular instrument board, wherein the spring leaf includes a metal blade or a polymer blades.
Above-mentioned Vehicular instrument board, wherein the piezoelectric patches includes ceramic piezoelectric material, metal piezoelectric material or polymer pressure
Electric material.
Above-mentioned Vehicular instrument board, wherein the piezoelectric actuator is the piezoelectricity blade that different metal is combined into.
Above-mentioned Vehicular instrument board, wherein the voltage signal is an ac voltage signal.
Above-mentioned Vehicular instrument board, wherein the ac voltage signal includes a square-wave signal or a sine wave signal.
Above-mentioned Vehicular instrument board, wherein a water conservancy diversion cavity is further included, corresponding display panel setting, the piezoelectric actuator
It is set in the water conservancy diversion cavity, and the air-flow is oriented to the display panel by the water conservancy diversion cavity.
Above-mentioned Vehicular instrument board, wherein the water conservancy diversion cavity has an air intake vent and an air outlet, and wherein the air intake vent is small
In the air outlet, and the air outlet is towards the display panel.
Above-mentioned Vehicular instrument board, wherein the solar panels are set on the outer surface of the Vehicular instrument board.
Compared to the prior art, the Vehicular instrument board of the utility model absorbs solar energy by solar panels to be converted into electricity
Stream, and then can be used as the voltage signal of driving piezoelectric actuator shape, so that piezoelectric actuator is deformed according to voltage signal and is produced
Anger stream, even if also can provide the good heat dissipation of display panel, and then maintain display surface in the case where no additional power is supplied
The standby temperature of plate or operating temperature provide good display quality.
The utility model is described in detail below in conjunction with the drawings and specific embodiments, but not as to the utility model
Restriction.
Detailed description of the invention
Fig. 1 is the first embodiment schematic diagram of Vehicular instrument board；
Fig. 2 is the first embodiment perspective diagram of Vehicular instrument board；
Fig. 3 is the first embodiment schematic diagram of piezoelectric actuator；
Fig. 4 a~6b is the first embodiment perspective diagram and voltage signal schematic diagram of piezoelectric actuator；
Fig. 7 is the second embodiment schematic diagram of Vehicular instrument board.
Wherein, appended drawing reference
F air-flow
L sunlight
50 shells
52 openings
60,80 water conservancy diversion cavity
62,82 air intake vent
64 air outlets
100,200 Vehicular instrument board
110,210A, 210B, 210C display panel
120,220A, 220B solar panels
130 control units
140,240 piezoelectric actuator
141 first sides
142 spring leafs
143 second side
144 piezoelectric patches
146 fixing ends
Specific embodiment
The structural principle of the utility model and working principle are described in detail with reference to the accompanying drawing:
The utility model provides a kind of Vehicular instrument board, and piezoelectric actuator is located at the corresponding position of display panel, and presses
The energy that electric actuator can be generated by solar panels is operated to generate air-flow, reduces the temperature of display panel whereby, is promoted
Display quality.Display panel is preferably including but not limited to liquid crystal display panel, electrophoretic display panel, organic light emitting display panel
Deng, and liquid crystal display panel preferably includes thin film transistor (TFT) (Thin Film Transistor, TFT) liquid crystal display panel.Pressure
Electric actuator preferably includes the piezoelectric material with inverse piezoelectric effect (converse piezoelectric effect)
(Piezoelectric materials), such as metal piezoelectric actuator, ceramic piezoelectric actuator, polymer piezo actuator
Deng.
Fig. 1 is the schematic diagram of the Vehicular instrument board of the utility model first embodiment, wherein for the clear automobile-used instrument of explanation
The relative position of each element and connection type in dash board, omission depict partial component, are not limited to practical
It is novel.
Fig. 1 is please referred to, the Vehicular instrument board 100 of the utility model first embodiment includes display panel 110, to absorb
Solar panels 120, control unit 130 and the piezoelectric actuator 140 of solar energy.Display panel 110 is preferably to show driving
Information, such as running speed, revolving speed etc., and by show it is outward-facing in a manner of be set to Vehicular instrument board 100, in favor of information
It provides.Solar panels 120 are preferably located at the region that external light beam can irradiate, therefore are preferably set to Vehicular instrument board 100
Surface so that the external light beam of e.g. sunlight can irradiate solar panels 120, and then utilize solar energy.Piezoelectricity causes
The setting position of dynamic device 140 corresponds to the setting position of display panel 110, and control unit 130, which is then advantageously provided in, to be electrically connected
Connect the position of solar panels 120 and piezoelectric actuator 140.
In order to clearly illustrate the content of the present embodiment, the perspective diagram of Fig. 2 further depicts sectional structure, section view knot
The corresponding hatching I-I to Fig. 1 of structure.Specifically, display panel 110 and 120 advantageous configurations of solar panels are in light-permeable
In shell 50, and 140 advantageous configurations of piezoelectric actuator promote the whole of Vehicular instrument board 100 in lighttight water conservancy diversion cavity 60
It is external to see.Meanwhile can allow air circulation between the position of piezoelectric actuator 140 and the position of display panel 110, that is,
The air flowing of 140 surrounding of piezoelectric actuator can drive the air of 110 surrounding of display panel to flow.
The control unit 130 of the present embodiment is electrically connected solar panels 120, and piezoelectric actuator 140 is electrically connected control unit
130.When sunlight L irradiates solar panels 120, the solar energy that solar panels 120 absorb, and solar energy is converted into electric current,
So that control unit 130 provides the voltage signal that can drive piezoelectric actuator 140, voltage signal is then transmitted to pressure
Electric actuator 140, so that piezoelectric actuator 140 operates.
The piezoelectric actuator 140 of the present embodiment can generate deformation according to the voltage signal from control unit 130.Piezoelectricity
The deformation process of actuator 140 can generate air-flow, therefore the heat dissipation of display panel 110 can be by piezoelectric actuator 140
Provided air-flow F is promoted.In other words, because the corresponding display panel 110 of the piezoelectric actuator 140 of the present embodiment is arranged, pressure
Air-flow F provided by electric actuator 140 can pass through display panel 110, and then absorb the thermal energy of display panel 110, aobvious to reduce
Show the temperature of panel 110 and its ambient enviroment.
For example, Fig. 1 and Fig. 2 is please referred to, the piezoelectric actuator 140 of the present embodiment is by fixing end 146 using for example
The mechanism such as lock, stick together, engaging are fixed on water conservancy diversion cavity 60, and the free end opposite with fixing end 146 is towards display panel
110.The deformation that piezoelectric actuator 140 can swing mode by such as free end provides air-flow F, make air-flow F in shell 50 and
It is flowed in water conservancy diversion cavity 60.For example, shell 50 has opening 52, and water conservancy diversion cavity 60 has air intake vent 62 and air outlet 64,
Wherein external air can enter water conservancy diversion cavity 60 from air intake vent 62, be entered in shell 50 by air outlet 64, and air passes through
It crosses display panel 110 and is discharged again from opening 52 after absorbing the thermal energy of display panel 110.Therefore, piezoelectric actuator 140 provides
Air-flow F can reduce the temperature and environment temperature of display panel 110.
The utility model is not limited to above-mentioned design, in the other embodiments of the utility model, Vehicular instrument board
The appropriate location that display panel, piezoelectric actuator and solar panels can also be directly arranged at car body is not necessarily to be integrated in shell 50,
And air-flow can be passed in and out directly from the opening of car body.
Since the 140 received voltage signal of institute of piezoelectric actuator of the utility model first embodiment comes from solar panels
120 solar energy absorbed, therefore when Vehicular instrument board 100 is by exposure in sunshine, piezoelectric actuator 140 will provide air-flow
Promote the heat dissipation of display panel 110.On the other hand, when being converted into electric energy due to the solar energy that solar panels 120 absorb,
The voltage signal that piezoelectric actuator 140 generates deformation can be provided.Therefore, the Vehicular instrument board 100 of the present embodiment be not necessary to
Additional electric signal source connection can generate air-flow F, such as be not necessary to the power supply of the car body of starting installation Vehicular instrument board 100
System provides additional power supply, using solar energy or even charge storage unit (such as solar battery), that is, can provide piezoelectric actuated
Device 140 operates the required energy, so can also reduce at stock idle (inactive) display panel 110 shutdown temperature or
Standby temperature avoids display panel 110 from overheating and be adversely affected.
On the other hand, Fig. 1 is please referred to, the water conservancy diversion cavity 60 of the present embodiment is due to the corresponding setting of display panel 110, piezoelectricity
The air-flow F that actuator 140 provides can be via 60 directed toward display panel 110 of water conservancy diversion cavity, and then assists dissipating for display panel 110
Heat.Furthermore as shown in Fig. 2, the air intake vent 62 of water conservancy diversion cavity 60 is preferably less than the air outlet 64 towards display panel 110, therefore
Water conservancy diversion cavity 60 can be by more swimmingly directed toward display panel 110 air-flow F that piezoelectric actuator 140 provides.In another implementation
Example, Vehicular instrument board can be not provided with water conservancy diversion cavity 60, and the corresponding display panel 110 of piezoelectric actuator 140 is set to car body
Appropriate location can also reach heat dissipation effect by the air-flow F that 140 deformation of piezoelectric actuator generates.
Fig. 3 is the schematic diagram of the piezoelectric actuator 140 of the utility model first embodiment.Referring to figure 3., piezoelectric actuator
140 include piezoelectric patches 144 and spring leaf 142.Spring leaf 142 is connected to piezoelectric patches 144 and towards far from fixing end 146
Direction protrudes from piezoelectric patches 144, and conducting wire 148 is electrically connected piezoelectric patches 144 and control unit 130.Please with reference to Fig. 2, due to bullet
Property blade 142 be towards the direction of display panel 110 and protrude from piezoelectric patches 144, when the voltage signal warp that control unit 130 provides
When being transferred to piezoelectric patches 144 by conducting wire 148, piezoelectric patches 144 generates deformation and then drives the swing of spring leaf 142, and in bullet
Property blade 142 swing process formed air-flow F.
Specifically, the spring leaf 142 of the present embodiment including, for example, metal blade, is used and promotes spring leaf 142
Intensity and shock-proof effect.But the spring leaf of the utility model is not limited to above-mentioned material, in other embodiments elastic leaf
Piece more may include polymer blades or composite material blade.
On the other hand, the piezoelectric patches 144 of the present embodiment includes ceramic piezoelectric material, polymer piezo piece etc., and piezoelectric patches
144 deformation direction, deformation quantity can change with voltage signal.For example, the voltage signal of the present embodiment is exchange telecommunications
Number, so that deformation direction deformation in the opposite direction according to positive/negative voltage of piezoelectric patches 144, to drive spring leaf 142
Left/right is swung.
Fig. 4 a to Fig. 6 b is schematic diagram and electricity of the piezoelectric actuator of the utility model first embodiment in different conditions
Press signal schematic representation.A and 4b referring to figure 4., the voltage signal of the present embodiment are, for example, sinusoidal signal, when voltage signal is positive value
When (that is, dot position in Fig. 4 b), piezoelectric patches 144 drives 142 court of spring leaf for example towards 141 deformation of the first side
It is swung to the first side 141.
A and 5b referring to figure 5., when the voltage signal zero of the present embodiment, piezoelectric patches 144 restores reset condition, and by bullet
Property blade 142 takes home position to.
Fig. 6 a and 6b are please referred to, when the voltage signal of the present embodiment is negative value, piezoelectric patches 144 is then towards 143 shape of second side
Become, and then spring leaf 142 is driven to swing towards second side 143.Therefore, when the above-mentioned absorption solar energy of solar panels 120, and
When solar energy is converted into electric energy (such as electric current) and is supplied to control unit 130, control unit 130 generates preset alternating current
When pressing signal to pressure point actuator 140, piezoelectric actuator 140 can swing according to ac voltage signal and provide air-flow.Control is single
Implementable member 130 is the voltage signal needed for driving piezoelectric actuator 140 with offer such as processor, control circuit.
For example, when the piezoelectric actuator of the present embodiment 140 receives voltage signal, piezoelectric actuator 140 is with example
45 degree of amplitude in this way is swung 90 times per minute, and the flow velocity of air-flow provided by piezoelectric actuator 140 can fall in per second 0.5
Meter is in the range of 0.7 meter per second.When the environment temperature of display panel is 40 degree Celsius, and sunlight is with every meter square
When 760 watts of power illumination display panel, flow velocity is the temperature that 0.5 meter of air-flow per second can reduce above-mentioned display panel
About 50%.
The material of the piezoelectric patches of the utility model is not limited to above-mentioned ceramic voltage material, in other of the utility model
In embodiment, the material of piezoelectric patches further includes metal piezoelectric material or polymer piezo material.Furthermore, the utility model
Other embodiments in, piezoelectric actuator more can be to be formed by the single piezoelectricity blade with inverse piezoelectric effect, and piezoelectricity leaf
Piece is combined by different metal.In other words, spring leaf 142 can be integrated into the pressure in conjunction with by different metal with piezoelectric patches 144
Electric actuator 140.
On the other hand, since the positive and negative variation of voltage can drive the deformation of piezoelectric actuator, on the utility model
The ac voltage signal stated is not limited to sine wave signal, in other embodiments more may include square-wave signal.
However, the utility model is not limited to above-mentioned configuration mode.Fig. 7 is the vehicle of the second embodiment of the utility model
With instrument board schematic diagram.Fig. 7 is please referred to, the Vehicular instrument board 200 of the utility model second embodiment includes display panel
210A, 210B, 210C, solar panels 220A, 220B and piezoelectric actuator 240, wherein being located at piezoelectric actuated in cavity 80
Device 240 is only towards display panel 210B, but the air-flow that piezoelectric actuator 240 provides can enter cavity 80 from air intake vent 82, then
It is recycled into gas is formed in shell 70, and then promotes the radiating efficiency of display panel 210A, 210B, 210C.In other words, originally
The position of the display panel of utility model is not limited on the main flow direction of air-flow provided by piezoelectric actuator, display surface
Plate can more be formed by gas circulation by air-flow provided by piezoelectric actuator and carry out improving heat radiation efficiency.
On the other hand, Fig. 7 is please referred to, solar panels 220A, 220B of the utility model second embodiment are set to automobile-used
The outer surface of instrument board 200, therefore when Vehicular instrument board 200 is irradiated to sunlight, solar panels 220A, 220B can also absorb too
Sunlight, and make solar energy that can be converted into electric energy.Therefore, no matter whether Vehicular instrument board 200 is in running, piezoelectric actuator
240 can provide air-flow while display panel 210A, 210B, 210C are illuminated, with reduce display panel 210A,
The temperature of 210B, 210C.The solar panels of the utility model are not limited to above-mentioned setting position, in other embodiments, too
Other positions that can be by sunlight of the car body connected in Vehicular instrument board more can be set in positive energy plate, and then provide electricity
Press signal to piezoelectric actuator.
It can be seen from the above, when the solar panels of the embodiments of the present invention receive solar energy, solar panels and control
Unit can provide voltage signal to piezoelectric actuator, and piezoelectric actuator operates according to voltage signal and generates deformation, to provide gas
Stream flows the air of display panel surrounding, and then promotes the heat dissipation of display panel.
Certainly, the utility model can also have other various embodiments, without departing substantially from the spirit of the present invention and its essence
In the case of, those skilled in the art work as can make various corresponding changes and modifications, but these according to the utility model
Corresponding changes and modifications all should belong to the protection scope of the utility model the attached claims.
Claims (10)
1. a kind of Vehicular instrument board, characterized by comprising:
One display panel；
One solar panels to absorb a solar energy, and are converted to an electric current；
One control unit is electrically connected the solar panels, and the electric current is converted into a voltage signal；And
One piezoelectric actuator, the corresponding display panel are arranged and are electrically connected the control unit, and the piezoelectric actuator is according to the voltage
Signal generates deformation, to provide an air-flow.
2. Vehicular instrument board according to claim 1, which is characterized in that the piezoelectric actuator includes a piezoelectric patches and a bullet
Property blade, the spring leaf are connected to the piezoelectric patches and protrude from the piezoelectric patches towards the direction of the display panel, the piezoelectric patches according to
Deformation is generated according to the voltage signal and the spring leaf is driven to swing, to form the air-flow.
3. Vehicular instrument board according to claim 2, which is characterized in that the spring leaf includes that a metal blade or one are poly-
Close object blade.
4. Vehicular instrument board according to claim 2, which is characterized in that the piezoelectric patches includes ceramic piezoelectric material, metal
Piezoelectric material or polymer piezo material.
5. Vehicular instrument board according to claim 1, which is characterized in that the piezoelectric actuator is what different metal was combined into
Piezoelectricity blade.
6. Vehicular instrument board according to claim 1, which is characterized in that the voltage signal is an ac voltage signal.
7. Vehicular instrument board according to claim 6, which is characterized in that the ac voltage signal include a square-wave signal or
One sine wave signal.
8. Vehicular instrument board according to claim 1, which is characterized in that further include a water conservancy diversion cavity, the corresponding display surface
Plate setting, which is set in the water conservancy diversion cavity, and the air-flow is oriented to the display panel by the water conservancy diversion cavity.
9. Vehicular instrument board according to claim 8, which is characterized in that the water conservancy diversion cavity has an air intake vent and an outlet air
Mouthful, wherein the air intake vent is less than the air outlet, and the air outlet is towards the display panel.
10. Vehicular instrument board according to claim 1, which is characterized in that the solar panels are set to the Vehicular instrument board
Outer surface on.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW107202173U TWM562236U (en) | 2018-02-12 | 2018-02-12 | Dashboard |
| TW107202173 | 2018-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208338157U true CN208338157U (en) | 2019-01-04 |
Family
ID=63257769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820640590.8U Active CN208338157U (en) | 2018-02-12 | 2018-04-26 | Vehicle instrument board |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN208338157U (en) |
| TW (1) | TWM562236U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112693311A (en) * | 2021-01-11 | 2021-04-23 | 安徽天健环保车辆部件有限公司 | Intelligent temperature control system of full liquid crystal combination instrument |
| DE102022122827A1 (en) | 2022-09-08 | 2024-03-14 | Valeo Schalter Und Sensoren Gmbh | Arrangement for a head-up display, head-up display and method for operating a head-up display |
-
2018
- 2018-02-12 TW TW107202173U patent/TWM562236U/en unknown
- 2018-04-26 CN CN201820640590.8U patent/CN208338157U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112693311A (en) * | 2021-01-11 | 2021-04-23 | 安徽天健环保车辆部件有限公司 | Intelligent temperature control system of full liquid crystal combination instrument |
| DE102022122827A1 (en) | 2022-09-08 | 2024-03-14 | Valeo Schalter Und Sensoren Gmbh | Arrangement for a head-up display, head-up display and method for operating a head-up display |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM562236U (en) | 2018-06-21 |
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