CN202753866U - Rearview mirror navigator with automatic backlight adjusting function - Google Patents
Rearview mirror navigator with automatic backlight adjusting function Download PDFInfo
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- CN202753866U CN202753866U CN 201220251827 CN201220251827U CN202753866U CN 202753866 U CN202753866 U CN 202753866U CN 201220251827 CN201220251827 CN 201220251827 CN 201220251827 U CN201220251827 U CN 201220251827U CN 202753866 U CN202753866 U CN 202753866U
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- rearview mirror
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- regulatory function
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Abstract
The utility model discloses a rearview mirror navigator with an automatic backlight adjusting function. The rearview mirror navigator comprises a rearview mirror casing 1, touch rearview mirror glass 2 and a main panel 3. The touch rearview mirror glass 2 is fixed on the rearview mirror casing 1, the main panel 3 is fixed inside the rearview mirror casing 1, a controller 4 is arranged on the main panel 3, and the main panel 3 is further provided with a global positioning system (GPS) module 5 and a communication module 6 which are connected with the controller 4. The rearview mirror navigator is characterized in that the touch rearview mirror glass 2 comprises a semi-transparent lens 7, a capacitance touch plate 8 and a thin film transistor (TFT) display screen 9. An analog-to-digital (AD) converting circuit 11 and a TFT backlight circuit 12 which are connected with the controller 4 are arranged on the main panel 3. An environment optical sensor 10 connected with the AD converting circuit 11 is arranged on the main panel 3, and the TFT backlight circuit 12 is connected with the TFT display screen 9. By means of the rearview mirror navigator, a display screen has the automatic backlight adjusting function and can obtain display information timely and correctly.
Description
Technical field
The utility model relates to a kind of navigating instrument, particularly a kind of rearview mirror navigator with the automatic backlight regulatory function.
Background technology
Automatic backlight is regulated and to be referred to that car-mounted display equipment can respond to the light intensity of automobile varying environment of living in automatically, thereby the brightness and contrast of automatic adjusting screen, the function of watching to be fit to human eye, that is to say at the darker environment of light and can turn down the brightness and contrast, can heighten the brightness and contrast at the environment that light is stronger.For automobile; the luminous intensity of surrounding environment is changing constantly in the process of moving; when extraneous light is darker; crossing bright screen can make the people feel very dazzling; and brighter at extraneous light, can not see again Chu's display frame, and the automatic backlight adjusting just can address these problems just in time; the comfort level that human eye is watched can be improved, the effect of vision protection can also be played.
The read-out of present rearview mirror navigator does not have the automatic backlight regulatory function, can appear at surround lighting and show when more weak more dazzlingly, does not see again the situation of demonstration when perhaps surround lighting is more intense, and the driver can not obtain displaying information on screen in time, exactly; When serious, chaufeur causes dispersion attention to cause accident because observing read-out.
The utility model content
The purpose of this utility model is, a kind of rearview mirror navigator with the automatic backlight regulatory function is provided, make the read-out of rearview mirror navigator have the automatic backlight regulatory function, avoiding appearing at surround lighting shows when more weak more dazzling, do not see again the situation of demonstration when perhaps surround lighting is more intense, obtain in time, exactly displaying information on screen, improve the drive safety when watching read-out.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of rearview mirror navigator with the automatic backlight regulatory function, comprise back-mirror housing, touch rear view mirror lens and mainboard, touch rear view mirror lens is fixed on the back-mirror housing, mainboard is fixed on the inside of back-mirror housing, mainboard is provided with controller, also be provided with the GPS module and the communication module that are connected with controller on the mainboard, touch rear view mirror lens comprises translucent eyeglass, capacitive type touch pad and TFT read-out, back-mirror housing is provided with ambient light sensor, mainboard is provided with the A/D convertor circuit that is connected with controller, the TFT backlight circuit, also be provided with the ambient light sensor that is connected with A/D convertor circuit on the mainboard, the extraneous light variable signal that A/D convertor circuit reception environment optical sensor gathers, the TFT backlight circuit is connected with the TFT read-out.
In the aforesaid this rearview mirror navigator with the automatic backlight regulatory function, translucent eyeglass is fixed on the outside face of capacitive type touch pad, the TFT read-out is fixed on the inside face of capacitive type touch pad, and capacitive type touch pad, TFT read-out all are connected with mainboard by winding displacement.Capacitive type touch pad has good light transmittance and visibility, can realize multi-point touch.The TFT read-out has low-power consumption, saves material, maintenance update easily, the multiple advantage such as long service life, high color fidelity, radiationless, flicker free, temperature applicable range be wide.
In the aforesaid this rearview mirror navigator with the automatic backlight regulatory function, the TFT read-out adopts 5 cun bright backlights of extra-high-speed of resolution 800 * 480, and its high-high brightness is 3000cd/m
2
In the aforesaid this rearview mirror navigator with the automatic backlight regulatory function, translucent eyeglass employing light transmittance is 23% glass mirror, and translucent eyeglass is provided with the plating reflectance coating.Make rear view mirror lens reach better reflecting effect, be combined with the TFT read-out that extra-high-speed is bright, guarantee also to see the demonstration image clearly sun-drenched at noon the time.
In the aforesaid this rearview mirror navigator with the automatic backlight regulatory function, the circular hole of a printing opacity is arranged on the translucent eyeglass, ambient light sensor is positioned at the circular hole below.
In the aforesaid this rearview mirror navigator with the automatic backlight regulatory function, mainboard is provided with the TFT that is controlled by the I2C interface by controller and drives chip, after the signal of TFT backlight circuit output drove the chip processing by TFT, the digital rgb signal that TFT read-out sequential requires was satisfied in output.
In the aforesaid this rearview mirror navigator with the automatic backlight regulatory function, be provided with adjusting algorithm memory backlight in the controller, be used for the pwm signal of output is calculated in storage with the relation of brightness of display screen according to the power of extraneous light algorithm.
In the aforesaid this rearview mirror navigator with the automatic backlight regulatory function, the model of ambient light sensor is BH1721FVC.
In the aforesaid this rearview mirror navigator with the automatic backlight regulatory function, communication module adopts GSM/GPRS module or 3G module.
Compared with prior art, the utility model is so that the read-out of rearview mirror navigator has the automatic backlight regulatory function, avoiding appearing at surround lighting shows when more weak more dazzling, do not see again the situation of demonstration when perhaps surround lighting is more intense, obtain in time, exactly displaying information on screen, and the drive safety when improving chaufeur and watching display information.
Description of drawings
Fig. 1 is part sectional view of the present utility model;
Fig. 2 is the internal module connection diagram of embodiment 1 of the present utility model;
Fig. 3 is the internal module connection diagram of embodiment 2 of the present utility model;
Fig. 4 is the structural representation of touch rear view mirror lens;
Fig. 5 is the structural representation of backlight regulating circuit;
Fig. 6 is the physical circuit schematic diagram of A/D convertor circuit;
Fig. 7 is the physical circuit schematic diagram of TFT backlight circuit.
Reference numeral: 1-back-mirror housing, the touch rear view mirror lens of 2-, 3-mainboard, 4-controller, the 5-GPS module, 6-communication module, the translucent eyeglass of 7-, 8-capacitive type touch pad, the 9-TFT read-out, 10-ambient light sensor, 11-A/D convertor circuit, 12-TFT backlight circuit, the 13-circular hole, 14-TFT drives chip, 15-adjusting algorithm memory backlight, 16-platen bracket, 17-GPS antenna, the 18-GSM antenna, 19-3G antenna, 20-read-out radiator.
Below in conjunction with the drawings and specific embodiments the utility model is further described.
The specific embodiment
As shown in Figure 4, translucent eyeglass 7 is fixed on the outside face of capacitive type touch pad 8, and TFT read-out 9 is fixed on the inside face of capacitive type touch pad 8, and capacitive type touch pad 8, TFT read-out 9 all are connected with mainboard 3 by winding displacement.TFT read-out 9 adopts 5 cun bright backlights of extra-high-speed of resolution 800 * 480, and its high-high brightness is 3000cd/m
2 Translucent eyeglass 7 employing light transmittances are 23% glass mirror, and translucent eyeglass 7 is provided with the plating reflectance coating, and the circular hole 13 of a printing opacity is arranged on the translucent eyeglass 7.The inside face of TFT read-out 9 is connected with read-out radiator 20, and capacitive type touch pad 8, TFT read-out 9 are fixed by platen bracket 16.
As shown in Figure 2, mainboard 3 is provided with and also is provided with GPS module 5 and the communication module 6 that is connected with controller 4 on controller 4 mainboards 3, GPS module 5 is connected with built-in gps antenna 17, communication module 6 adopts the GSM/GPRS module, the GSM/GPRS module is connected with built-in GSM antenna 18, touch rear view mirror lens 2 comprises translucent eyeglass 7, capacitive type touch pad 8 and TFT read-out 9, mainboard 3 is provided with the A/D convertor circuit 11 that is connected with controller 4, TFT backlight circuit 12, also be provided with the ambient light sensor 10 that is connected with A/D convertor circuit 11 on the mainboard 3, the model of ambient light sensor 10 is BH1721FVC, ambient light sensor 10 is positioned at circular hole 13 belows, and TFT backlight circuit 12 is connected with TFT read-out 9.Mainboard 3 is provided with the TFT that is controlled by the I2C interface by controller 4 and drives chip 14, TFT drives chip 15 and adopts BIT1612M, after the signal of TFT backlight circuit 12 outputs drove chip 14 processing by TFT, the digital rgb signal that TFT read-out 9 sequential require was satisfied in output.Be provided with adjusting algorithm memory 15 backlight in the controller 4, be used for the pwm signal of output is calculated in storage with the relation of brightness of display screen according to the power of extraneous light algorithm.
As shown in Figure 4, translucent eyeglass 7 is fixed on the outside face of capacitive type touch pad 8, and TFT read-out 9 is fixed on the inside face of capacitive type touch pad 8, and capacitive type touch pad 8, TFT read-out 9 all are connected with mainboard 3 by winding displacement.TFT read-out 9 adopts 5 cun bright backlights of extra-high-speed of resolution 800 * 480, and its high-high brightness is 3000cd/m
2 Translucent eyeglass 7 employing light transmittances are 23% glass mirror, and the circular hole 13 of a printing opacity is arranged on the translucent eyeglass 7, and translucent eyeglass 7 is provided with the plating reflectance coating.The inside face of TFT read-out 9 is connected with read-out radiator 20, and capacitive type touch pad 8, TFT read-out 9 are fixed by platen bracket 16.
As shown in Figure 3, mainboard 3 is provided with controller 4, also be provided with the GPS module 5 and the communication module 6 that are connected with controller 4 on the mainboard 3, GPS module 5 is connected with built-in gps antenna 17, communication module 6 adopts the 3G module, the 3G module is connected with built-in 3G antenna 19, touch rear view mirror lens 2 comprises translucent eyeglass 7, capacitive type touch pad 8 and TFT read-out 9, mainboard 3 is provided with the A/D convertor circuit 11 that is connected with controller 4, TFT backlight circuit 12, also be provided with the ambient light sensor 10 that is connected with A/D convertor circuit 11 on the mainboard 3, the model of ambient light sensor 10 is BH1721FVC, ambient light sensor 10 is located at circular hole 13 belows, and TFT backlight circuit 12 is connected with TFT read-out 9.Mainboard 3 is provided with the TFT that is controlled by the I2C interface by controller 4 and drives chip 14, TFT drives chip 15 and adopts BIT1612M, after the signal of TFT backlight circuit 12 outputs drove chip 14 processing by TFT, the digital rgb signal that TFT read-out 9 sequential require was satisfied in output.Be provided with adjusting algorithm memory 15 backlight in the controller 4, be used for the pwm signal of output is calculated in storage with the relation of brightness of display screen according to the power of extraneous light algorithm.
Principle of work: such as Fig. 5, Fig. 6, shown in Figure 7, ambient light sensor 10 gathers the changing value of extraneous light, and it is carried out opto-electronic conversion, amplification, filtering processing, and output simulates voltage signal.This simulates voltage signal through behind the A/D convertor circuit 11, is read in by the I2C bus by controller 4.Read the algorithm of adjusting algorithm memory 15 storages backlight in the controller 4, calculate the pwm signal of output with the relation of brightness of display screen according to the power of extraneous light, control TFT backlight circuit 12 by pwm signal, allow the brightness of TFT read-out 9 change with pwm signal, thereby reach purpose with an automatic light meter.
Claims (9)
1. rearview mirror navigator with the automatic backlight regulatory function, comprise back-mirror housing (1), touch rear view mirror lens (2) and mainboard (3), touch rear view mirror lens (2) is fixed on the back-mirror housing (1), mainboard (3) is fixed on the inside of back-mirror housing (1), mainboard (3) is provided with controller (4), also be provided with the GPS module (5) and the communication module (6) that are connected with controller (4) on the mainboard (3), it is characterized in that: touch rear view mirror lens (2) comprises translucent eyeglass (7), capacitive type touch pad (8) and TFT read-out (9), mainboard (3) is provided with the A/D convertor circuit (11) that is connected with controller (4), TFT backlight circuit (12), also be provided with the ambient light sensor (10) that is connected with A/D convertor circuit (11) on the mainboard (3), TFT backlight circuit (12) is connected with TFT read-out (9).
2. a kind of rearview mirror navigator with the automatic backlight regulatory function according to claim 1, it is characterized in that: translucent eyeglass (7) is fixed on the outside face of capacitive type touch pad (8), TFT read-out (9) is fixed on the inside face of capacitive type touch pad (8), and capacitive type touch pad (8), TFT read-out (9) all are connected with mainboard (3) by winding displacement.
3. a kind of rearview mirror navigator with the automatic backlight regulatory function according to claim 1 and 2 is characterized in that: TFT read-out (9) adopts 5 cun bright backlights of extra-high-speed of resolution 800 * 480, and its high-high brightness is 3000cd/m2.
4. a kind of rearview mirror navigator with the automatic backlight regulatory function according to claim 1 and 2 is characterized in that: it is 23% glass mirror that translucent eyeglass (7) adopts light transmittance, and translucent eyeglass (7) is provided with the plating reflectance coating.
5. a kind of rearview mirror navigator with the automatic backlight regulatory function according to claim 4 is characterized in that: the circular hole (13) of a printing opacity is arranged on the translucent eyeglass (7), and ambient light sensor (10) is positioned at circular hole (13) below.
6. a kind of rearview mirror navigator with the automatic backlight regulatory function according to claim 3, it is characterized in that: mainboard (3) is provided with the TFT that is controlled by the I2C interface by controller (4) and drives chip (14), after the signal of TFT backlight circuit (12) output drove chip (14) processing by TFT, the digital rgb signal that TFT read-out (9) sequential requires was satisfied in output.
7. a kind of rearview mirror navigator with the automatic backlight regulatory function according to claim 1 is characterized in that: be provided with adjusting algorithm memory backlight (15) in the controller (4).
8. a kind of rearview mirror navigator with the automatic backlight regulatory function according to claim 1, it is characterized in that: the model of ambient light sensor (10) is BH1721FVC.
9. a kind of rearview mirror navigator with the automatic backlight regulatory function according to claim 1 is characterized in that: communication module (6) employing GSM/GPRS module or 3G module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220251827 CN202753866U (en) | 2012-05-30 | 2012-05-30 | Rearview mirror navigator with automatic backlight adjusting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220251827 CN202753866U (en) | 2012-05-30 | 2012-05-30 | Rearview mirror navigator with automatic backlight adjusting function |
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| Publication Number | Publication Date |
|---|---|
| CN202753866U true CN202753866U (en) | 2013-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220251827 Expired - Fee Related CN202753866U (en) | 2012-05-30 | 2012-05-30 | Rearview mirror navigator with automatic backlight adjusting function |
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| Country | Link |
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| CN (1) | CN202753866U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104816675A (en) * | 2015-05-29 | 2015-08-05 | 信利光电股份有限公司 | Rearview mirror |
| CN107424579A (en) * | 2017-08-16 | 2017-12-01 | 昆山龙腾光电有限公司 | A kind of embedded photoinduction drive system and its driving method |
| CN107444272A (en) * | 2016-05-31 | 2017-12-08 | 沈阳美行科技有限公司 | The method and device and equipment that a kind of intelligent back vision mirror is shown |
| CN107610674A (en) * | 2017-08-25 | 2018-01-19 | 维沃移动通信有限公司 | Screen luminance adjustment method and mobile terminal in a kind of navigation procedure |
| CN114222032A (en) * | 2021-12-22 | 2022-03-22 | 数源科技股份有限公司 | Vision auxiliary method applied to large vehicle |
-
2012
- 2012-05-30 CN CN 201220251827 patent/CN202753866U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104816675A (en) * | 2015-05-29 | 2015-08-05 | 信利光电股份有限公司 | Rearview mirror |
| CN107444272A (en) * | 2016-05-31 | 2017-12-08 | 沈阳美行科技有限公司 | The method and device and equipment that a kind of intelligent back vision mirror is shown |
| CN107444272B (en) * | 2016-05-31 | 2020-07-07 | 沈阳美行科技有限公司 | Method, device and equipment for displaying intelligent rearview mirror |
| CN107424579A (en) * | 2017-08-16 | 2017-12-01 | 昆山龙腾光电有限公司 | A kind of embedded photoinduction drive system and its driving method |
| CN107424579B (en) * | 2017-08-16 | 2020-06-05 | 昆山龙腾光电股份有限公司 | Embedded light induction driving system and driving method thereof |
| CN107610674A (en) * | 2017-08-25 | 2018-01-19 | 维沃移动通信有限公司 | Screen luminance adjustment method and mobile terminal in a kind of navigation procedure |
| CN114222032A (en) * | 2021-12-22 | 2022-03-22 | 数源科技股份有限公司 | Vision auxiliary method applied to large vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20150530 |
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| EXPY | Termination of patent right or utility model |