CN105109423A - Control system for vehicle-mounted video player - Google Patents
Control system for vehicle-mounted video player Download PDFInfo
- Publication number
- CN105109423A CN105109423A CN201510529394.4A CN201510529394A CN105109423A CN 105109423 A CN105109423 A CN 105109423A CN 201510529394 A CN201510529394 A CN 201510529394A CN 105109423 A CN105109423 A CN 105109423A
- Authority
- CN
- China
- Prior art keywords
- circuit
- control
- video player
- motor
- control system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
- B60R11/0229—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for displays, e.g. cathodic tubes
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/027—Remotely controlled
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B31/00—Arrangements for the associated working of recording or reproducing apparatus with related apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R2011/0042—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means
- B60R2011/008—Adjustable or movable supports
- B60R2011/0092—Adjustable or movable supports with motorization
Abstract
The invention discloses a control system for a vehicle-mounted video player. The control system comprises the video player and a control circuit and further comprises an antenna, a wireless receiving circuit, a motor drive circuit, a mini-type motor and an angular velocity sensor. The wireless receiving circuit is connected with the control circuit. The control circuit is connected with the motor drive circuit. The motor drive circuit is connected with the mini-type motor. An output shaft of the mini-type motor is connected with a base through a fixing piece. The antenna is used for being connected with an external remote control device. The wireless receiving circuit is used for receiving wireless signals. The angular velocity sensor is used for detecting the angular velocity of the mini-type motor. The control circuit is used for generating control signals according to the wireless signals and the angular velocity. The motor drive circuit is used for driving the mini-type motor to drive the base to carry out angle adjustment according to the fact that the control signals are converted into drive signals. According to the control system, angle adjustment in a remote control manner can be achieved, and practicability of the system is improved.
Description
Technical field
The present invention relates to a kind of control system for Vehicular video player, belong to the technical field of in-vehicle player.
Background technology
Vehicle carrying video system is widely used in long-distance bus in recent years, bus and family-sized car, Vehicular video technology is also constantly subject to people's attention. but now widely used in-car TV major part is also confined to watch live video etc. in the telecast and car recorded, even if can check that some important informations are in addition as running car parameter, car internal and external temperature, state of the system etc., also must constantly Switch Video signal. therefore design a kind of Vehicular video character adding system, various vision signal is shown on the tv screen simultaneously with superposing, just seem especially important.
At present, usually Vehicular video player, this player achieves the accurate location of each frame video image by database linking technology, and adopts download limit, multithreading limit play-back technology to achieve application in Web environment.This player has been successfully applied in certain roadside hazard rating, and use shows: this player uses simply, video playback is smooth, frame alignment efficiency is high.
And along with the continuous increase of user's request, video playback, search, that the system that is positioned at becomes is most important.Current Vehicular video player mainly all supports most of video format, even can be rated as omnipotent player, but these players all can only playing standard format video, can not play user-defined format video, is difficult to meet road and produces video playback requirement.
Although existing Vehicular video player can realize video playback capability, it is Shortcomings in enforcement uses.As application number: in the file of 200720106263.6 applyings date: 2007-02-01, disclose " a kind of Vehicular video player manufacturing technology, which overcome existing product need dismantle the front-seat panel of automobile and exist installation difficulty, install after player outward appearance and front panel to arrange in pairs or groups deficiency that is inharmonious, that have a strong impact on integral layout in car.It comprises Liquid Crystal Display and chassis, described Liquid Crystal Display is connected with chassis via folded turnover mechanism, back, described chassis is connected with videl signal treater, optical-disc reader is provided with in described videl signal treater, described videl signal treater housing profile conforms to described chassis profile, described videl signal treater housing bottom surface is provided with multiple tapped bore, and the chassis location corresponding with tapped bore is provided with through hole.Described Liquid Crystal Display back edge center is provided with releases the button, and is provided with a pair loudspeaker near centre.This product has the advantage that structure is simple, easy for installation, occupy little space, and has both been suitable for the repacking to coventional type or old money vehicle, and the batch be suitable for again in vehicle manufacturers is installed ".
And at other one section of application number: in the file of 200720082816.9 applyings date: 2007-12-29, disclose and " relate to the transfer device of vehicle mounted mobile video file signal playback process.Comprise body and casing.Casing is arranged LCD display panel, user controls button, the usb communication interface of A/V IO interface and DSP.Body is made up of multimedia processor, radio-frequency modulations module, power supply adaptor and LCD circuit.Containing cpu central processing unit, DSP and audio frequency, video coding and decoding device in multimedia processor.Radio-frequency modulations module is wireless image-sound projector.The digital signal of USB mobile storage restores after analogue AV signal through multimedia processor sends into radio-frequency modulations module, sends after power amplifier AMP amplifies with RF signal.This apparatus structure is simple and reliable, volume is little, with low cost.Do not need to change any circuit of automobile, do not need the playback equipment increasing automobile just can adopt this transfer device yet ".
Although above-mentioned document makes improvement to Vehicular video player, it is existing defects still.Existing video player control system cannot remote control, and player is only adopt the form be fixed in car body, and cannot need to carry out angular adjustment according to user, what make player does not possess automatic regulation function, reduces practicality.
Summary of the invention
Technical matters to be solved by this invention is to overcome the deficiencies in the prior art, a kind of control system for Vehicular video player is provided, solving existing video player control system cannot remote control, only adopt the form be fixed in car body, cannot need to carry out angular adjustment according to user, make the problem not possessing automatic regulation function of player.
The present invention specifically solves the problems of the technologies described above by the following technical solutions:
A kind of control system for Vehicular video player, comprise video player and control circuit, described video player is fixedly installed in car body by base, also comprise antenna, wireless receiving circuit, motor-drive circuit, miniature motor, angular velocity sensor, wherein antenna is connected with wireless receiving circuit; Described wireless receiving circuit is connected with control circuit; Described control circuit is connected with motor-drive circuit; Described motor-drive circuit is connected with miniature motor; The output shaft of described miniature motor is connected with base by connecting element, and angular velocity sensor is for being arranged at output shaft; Described antenna is for connecting external remote control device; Described wireless receiving circuit, for receiving wireless signal; Described angular velocity sensor, for detecting the cireular frequency of miniature motor; Described control circuit, for generating control signal according to wireless signal and cireular frequency; Described motor-drive circuit, for converting drive singal to according to control signal, drives minitype motor driving base to carry out angular adjustment.
Further, a preferred technical solution of the present invention: described wireless receiving circuit adopts ZIGBEE receptor.
Further, a preferred technical solution of the present invention: also comprise memory circuit, described memory circuit is connected with control circuit.
Further, a preferred technical solution of the present invention: also comprise voice warning circuit, described voice warning circuit is connected with control circuit.
Further, a preferred technical solution of the present invention: described control circuit adopts MSP430 micro controller system.
The present invention adopts technique scheme, can produce following technique effect:
Control system for Vehicular video player provided by the invention, by setting up autonomous cruise speed system on Vehicular video player, antenna and external remote control device is utilized to set up wireless link, carry out the transmission of wireless signal, controlling motor according to wireless signal makes base generation angle change, and realizes the angular adjustment under remote control mode, possesses automatic regulation function, can rapidly and efficiently realize automatic adjustment, improve the practicality of system.Can solve existing video player control system cannot remote control, is only to adopt the form be fixed in car body, cannot need to carry out angular adjustment according to user, make the problem not possessing automatic regulation function of player.
Accompanying drawing explanation
Fig. 1 is the module diagram of the control system for Vehicular video player of the present invention.
Detailed description of the invention
Below in conjunction with Figure of description, embodiments of the present invention are described.
As shown in Figure 1, the present invention devises a kind of control system for Vehicular video player, comprise video player and control circuit, described video player is fixedly installed in car body by base, also comprise antenna, wireless receiving circuit, motor-drive circuit, miniature motor, angular velocity sensor, wherein antenna is connected with wireless receiving circuit; Described wireless receiving circuit is connected with control circuit; Described control circuit is connected with motor-drive circuit; Described motor-drive circuit is connected with miniature motor; The output shaft of described miniature motor is connected with base by connecting element, and angular velocity sensor is for being arranged at output shaft; Described antenna is for connecting external remote control device; Described wireless receiving circuit, for receiving wireless signal; Described angular velocity sensor, for detecting the cireular frequency of miniature motor; Described control circuit, for generating control signal according to wireless signal and cireular frequency; Described motor-drive circuit, for converting drive singal to according to control signal, drives minitype motor driving base to carry out angular adjustment.
Thus, by setting up autonomous cruise speed system on Vehicular video player, utilizing antenna and external remote control device to set up wireless link, carrying out the transmission of wireless signal, controlling motor according to wireless signal makes base generation angle change, and realizes the angular adjustment under remote control mode.
Further, in described system, described wireless receiving circuit can adopt ZIGBEE receptor, as CC2430 type receptor.It adopts zigbee radio frequency part, and principle is based on low-if architectures, and the RF signal received from antenna amplifies through low noise amplifier and becomes the intermediate-freuqncy signal of 2MHz through down coversion.Intermediate-freuqncy signal, through filtering, amplification, is becoming digital signal by A/D converter.Automatic growth control, channel filters, and demodulation completes to obtain pinpoint accuracy and space availability ratio at numeric field.Integrated analog channel filter can make good the coexisting of different system being operated in 2.4GHzISM wave band.Thus, wireless mode is utilized to realize transmitting.
And described system also comprises memory circuit, described memory circuit is connected with control circuit.Utilize memory circuit, stored video data, can spatial accommodation be increased, utilize the store management of video.Further, also comprise voice warning circuit, described voice warning circuit is connected with control circuit.Utilize voice warning circuit, carry out carrying out voice message, by voice real-time adjusting angle when Angle ambiguity regulates in system.
Concerning system, control circuit described in it can adopt MSP430 micro controller system, has 5 kinds of low-power consumption modes and clock using forestland flexibly.And, abundant functional module, these functional modules comprise: A: multi-channel 10-14 bit A/D converter; B: two-way 12 D/A converter; C: comparator; D: liquid crystal driver; E: power line voltage detects; F: serial port USART (UART/SPI); G: hardware multiplier; H: WatchDog Timer, multiple 16,8 bit timing devices (can catch, compare, PWM exports); I:DMA controller.(6) FLASH memory, does not need extra high potential just kind to write the erasing of wiping Europe and section by programming control running; (7) MSP430 chip comprises jtag interface, artificial debugging just can realize as arranged the debugging such as breakpoint, single step execution, read-write register by a simple jtag interface conv easily; (8) fast and flexible become mode, in CPU, be contained in program by JTAG and BSL two kinds of modes.Further, be also integrated with a lot of functions of modules, thus make can complete with a slice MSP430 chip the function that multi-plate chip just can complete, greatly reduce volume and the cost of product.
To sum up, the control system for Vehicular video player provided by the invention, realizes the angular adjustment under remote control mode, possesses automatic regulation function, can rapidly and efficiently realize automatic adjustment, improves the practicality of system.Can solve existing video player control system cannot remote control, is only to adopt the form be fixed in car body, cannot need to carry out angular adjustment according to user, make the problem not possessing automatic regulation function of player.
By reference to the accompanying drawings embodiments of the present invention are explained in detail above, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, can also makes a variety of changes under the prerequisite not departing from present inventive concept.
Claims (5)
1. the control system for Vehicular video player, comprise video player and control circuit, described video player is fixedly installed in car body by base, it is characterized in that, also comprise antenna, wireless receiving circuit, motor-drive circuit, miniature motor, angular velocity sensor, wherein antenna is connected with wireless receiving circuit; Described wireless receiving circuit is connected with control circuit; Described control circuit is connected with motor-drive circuit; Described motor-drive circuit is connected with miniature motor; The output shaft of described miniature motor is connected with base by connecting element, and angular velocity sensor is for being arranged at output shaft; Described antenna is for connecting external remote control device; Described wireless receiving circuit, for receiving wireless signal; Described angular velocity sensor, for detecting the cireular frequency of miniature motor; Described control circuit, for generating control signal according to wireless signal and cireular frequency; Described motor-drive circuit, for converting drive singal to according to control signal, drives minitype motor driving base to carry out angular adjustment.
2. according to claim 1 for the control system of Vehicular video player, it is characterized in that: described wireless receiving circuit adopts ZIGBEE receptor.
3. according to claim 1 for the control system of Vehicular video player, it is characterized in that: also comprise memory circuit, described memory circuit is connected with control circuit.
4. according to claim 1 for the control system of Vehicular video player, it is characterized in that: also comprise voice warning circuit, described voice warning circuit is connected with control circuit.
5. according to claim 1 for the control system of Vehicular video player, it is characterized in that: described control circuit adopts MSP430 micro controller system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510529394.4A CN105109423A (en) | 2015-08-26 | 2015-08-26 | Control system for vehicle-mounted video player |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510529394.4A CN105109423A (en) | 2015-08-26 | 2015-08-26 | Control system for vehicle-mounted video player |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105109423A true CN105109423A (en) | 2015-12-02 |
Family
ID=54657623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510529394.4A Pending CN105109423A (en) | 2015-08-26 | 2015-08-26 | Control system for vehicle-mounted video player |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105109423A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105721646A (en) * | 2016-03-22 | 2016-06-29 | 苏州合欣美电子科技有限公司 | Selfie stick based on rotation auto-control mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6409242B1 (en) * | 2000-11-14 | 2002-06-25 | Chung L. Chang | Flat thin screen T/V monitor automotive roof mount |
| CN202120523U (en) * | 2011-06-21 | 2012-01-18 | 厦门市海菱电子有限公司 | Overturn type display screen |
| CN202413647U (en) * | 2012-01-04 | 2012-09-05 | 怡利电子工业股份有限公司 | Ceiling type screen device capable of overturning by remote control |
| CN104442598A (en) * | 2014-11-21 | 2015-03-25 | 黄荣丰 | Vehicle-mounted video display device |
-
2015
- 2015-08-26 CN CN201510529394.4A patent/CN105109423A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6409242B1 (en) * | 2000-11-14 | 2002-06-25 | Chung L. Chang | Flat thin screen T/V monitor automotive roof mount |
| CN202120523U (en) * | 2011-06-21 | 2012-01-18 | 厦门市海菱电子有限公司 | Overturn type display screen |
| CN202413647U (en) * | 2012-01-04 | 2012-09-05 | 怡利电子工业股份有限公司 | Ceiling type screen device capable of overturning by remote control |
| CN104442598A (en) * | 2014-11-21 | 2015-03-25 | 黄荣丰 | Vehicle-mounted video display device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105721646A (en) * | 2016-03-22 | 2016-06-29 | 苏州合欣美电子科技有限公司 | Selfie stick based on rotation auto-control mechanism |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151202 |