CN201749502U - Two-path video multimedia vehicle-mounted image recorder - Google Patents
Two-path video multimedia vehicle-mounted image recorder Download PDFInfo
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- CN201749502U CN201749502U CN2009202961370U CN200920296137U CN201749502U CN 201749502 U CN201749502 U CN 201749502U CN 2009202961370 U CN2009202961370 U CN 2009202961370U CN 200920296137 U CN200920296137 U CN 200920296137U CN 201749502 U CN201749502 U CN 201749502U
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Abstract
The utility model relates to a two-path video multimedia vehicle-mounted image recorder belonging to the field of recording devices. The two-path video multimedia vehicle-mounted image recorder comprises a power supply circuit part, a camera part, an audio part, a master-control integrated circuit, a storage part and a video output part, wherein the camera part comprises a two paths of digital cameras, one path of analog camera, an analog-to-digital conversion integrated circuit, a resistor, a capacitor, a connector and a master-control integrated circuit; the master-control integrated circuit comprises a single-chip machine processor, an external storage, a resistor and a capacitor; the storage part comprises an SD/TF card, a master-control integrated circuit, a resistor and a capacitor; the video output part comprises a display, a master-control integrated circuit and a connector; and image information is outputted by the display after being processed and integrated into analog singles by the master-control integrated circuit. The two-path video multimedia vehicle-mounted image recorder has the advantages of simple circuit structure, simple and easy operation, stable performance and convenient installation, and can be widely used for recording the driving conditions of various vehicles.
Description
Technical field
The vehicle-mounted image recorder of the utility model two-path video multimedia display belongs to the pen recorder field.
Technical background
Existing vehicle-mounted recording instrument is made up of power circuit, sound control circuit, camera and main control integrated circuit, power circuit provides stable power, camera is collected the internal storage of picture information to main control integrated circuit, and electret microphone send the internal storage that causes main control integrated circuit sound signal.By by key control, the single-chip microcomputer program that brings into operation combines effective Voice ﹠ Video information, is saved on the SD/TF card.Has only the single channel video, no AV.Driving can only record orientation image, and the vehicle-mounted recording instrument do not have the AV video playback capability, so make the driver be difficult to hold the content of institute's recorded video.The user can only check information on computers or on the individual MP4.
Summary of the invention
The utility model purpose is to provide a kind of two-path video input, the output of one road AV vision signal, the vehicle-mounted image recorder of two-path video multimedia display of the content of can directly check, the playback camera being recorded on display.
The purpose of this utility model is by achieving the goal with measure; the vehicle-mounted image recorder of two-path video multimedia display is by power circuit part, camera part; audio-frequency unit, main control integrated circuit, storage area and video output are formed, and power circuit partly mainly contains the charging circuit of lithium electricity, the overvoltage crowbar of lithium electricity, low electric cue circuit and mu balanced circuit 1.8V, the 2.8V that provides complete machine to need, the burning voltage of 3.3V are provided.Power circuit part 12V input, 5V input, built-in lithium electricity can be used as the power supply of entire circuit.12V, USB5V and direct current 5V input charging when the voltage value of reaching capacity, can stop charging and prevent that overvoltage from damaging.Provide 3.3V, 2.8V, the 1.8V that needs for entire machine through a series of mu balanced circuit.Charging circuit is made up of lithium battery, electric capacity, resistance, CMOS pipe, the lithium piezoelectric voltage is started working at the above complete machine of 3.0V when by last start key, be lower than the 3.0V integrated package and detect the lithium piezoelectric voltage and give level signal of main control integrated circuit when enough, charge with pilot lamp display reminding driver.The 12V/12-5V that drives the USB interface far can connect computer, the 220-12V/5V of family, onboard system this moment realizes charging.Mu balanced circuit is made up of integrated package, inductance, resistance, electric capacity, and 12V, the needed 3.3V of 5V input/lithium electricity input process integrated package of pressure-stabilizing out-put supply, 2.8V, 1.8V are to support the normal operation of entire machine.
Camera partly is by the two-way digital camera, one tunnel simulation camera, analog-digital conversion ic, resistance, electric capacity, connector, main control integrated circuit are formed, the picture information that digital camera is collected is delivered to digital signal on the main control integrated circuit by connector, the simulation camera is transported to analog to digital converter to the picture information of collecting, and through analog to digital converter simulating signal is converted into digital signal and delivers to main control integrated circuit.
Audio-frequency unit is made up of microphone, resistance, electric capacity, main control integrated circuit, and the audio-frequency information around electret microphone receives is delivered to main control integrated circuit through the pale pinkish purple filtering of electric capacity.
Main control integrated circuit is made up of processor of single chip computer, external storage, resistance, electric capacity, audio/visual information is sent to main control integrated circuit and temporarily deposits in the external memory storage, this moment, the processor of single chip computer program that brings into operation was handled video/audio information being integrated into effective information respectively with digital signal and simulating signal output.
Storage compartment is made up of SD/TF card, main control integrated circuit, resistance, electric capacity, and picture information is handled the integration back through main control integrated circuit and exported on the SD/TF card with digital signal.
The video output is made up of display, main control integrated circuit, connector, and picture information is handled through main control integrated circuit and integrated the back with the simulating signal Output Display Unit.
The utility model includes three road camera input ends, wherein one the tunnel is the simulating signal input, two-way is the digital signal input in addition, the user can select two paths of signals input end wherein to use, and choosing wherein by button, the picture intelligence of one road camera shows on having shown and is saved on the TF/SD card.The user can be by the playback key displaying video information of mainboard.The utility model power circuit provides the burning voltage that needs, functions such as energy is realized taking pictures, video recording, acoustic control, movement of objects detecting, PC camera, USB mobile disk, two-path video is selected and the AV video playback capability, help the driver to write down the process of car front and back accurately, can be widely used in various vehicles and use.
The utility model circuit structure is simple, operate simple and easy, stable performance, easy for installation, can be widely used in the driving recording of various vehicles.
Description of drawings:
Accompanying drawing 2 is analog to digital conversion circuit synoptic diagram of the present utility model.
Accompanying drawing 3 is main frame integrated circuit synoptic diagram of the present utility model.
Accompanying drawing 4 is the utility model power circuit synoptic diagram.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
As shown in Figure 1, it is by power circuit part, camera part for the utility model, audio-frequency unit composition, main control integrated circuit, storage area and video output composition.Power unit mainly comprises charging circuit, mu balanced circuit.Main control part comprises key control circuit, clock memory circuit, single-chip microcomputer treatment circuit, usb data exchange/power supply input circuit, SD/TF card memory circuit and reset circuit.Power circuit provides the power supply of voltage stabilizing.On display, play (display screen is only play the collected picture information of choosing of camera) synchronously by select one road camera wherein to collect external memory storage that picture information is transported to main control integrated circuit and digital signal is transferred to simulating signal output by key control through the inside Digital To Analog Convert of master integrated circuit, the sound signal synchronous transport is to master control IC external memory storage at the same time, when the control button is pressed the video retaining, the processor of single chip computer program that brings into operation, the Voice ﹠ Video information synchronization combined to be saved on the SD/TF card with the AVI form.When pressing the retaining of taking pictures, picture information just is saved on the SD/TF card with the JPG form.Storing video information in the card can be on computers, individual MP4 or utilize the playback key of main frame to show on the display of simulating signal input.Charging circuit of the present utility model, when being lower than 3.7V, integrated circuit output detection signal is with the prompting charging operations.Provide power supply (power supply adaptor or USB power supply) for integrated circuit this moment, is connected lithium battery with integrated circuit and presses off the beginning rising, enters charged state.When field effect pipe bipod voltage difference was smaller, battery entered quick-charge state.Gap is big more, and the variation of voltage is more little.Mu balanced circuit after the voltage stabilizing processing through integrated circuit, is exported 3.3V, 2.8V, 1.8V when 5V power supply or lithium battery voltage respectively.
As shown in Figure 2, the simulation camera signals is by 1st pin of CN5 to modulus integrated circuit (TVP5150), the simulation camera collection to picture information deliver to main control integrated circuit through the 3.4.5.6.8.9.11 pin, through a series of programs/by key control, effective image/audio information stores to the SD/TF card.Enter into analog to digital converter (TVP5150) when simulating the 6th pin of camera, export 8 digital signals to main control integrated circuit from the 11-18 pin (8 bar numerical data line) of analog to digital converter (TVP5150) through a series of conversions of analog to digital converter (TVP5150) through CN5.
When the picture intelligence that digital camera collects is delivered to SDATA2-9 pin on the main control integrated circuit (MP521).One road video is input to main control integrated circuit to the user by choose wherein by key control, and all are information storage externally on the reservoir (SDRAM), have the picture information of choosing to play on display by processor of single chip computer, and are saved on the TF card.The user can use the playback button to play the picture information that has stored.Or carry out exchanges data by mini USB socket and computer.Read the canned data on the SD card and do the PC camera.
As shown in Figure 3, by select for use wherein one road video in the video to be input to eight address data signals in the main control integrated circuit (MP521) by key control, it is standby to external storage (MSDRAM) that sound signal is input to main control integrated circuit (MP521) synchronously simultaneously, processor of single chip computer (MX29LV80) control main control integrated circuit (MP521), effective picture information is converted to simulating signal to output on the display from (CVBS) pin of main control integrated circuit (MP521), at the same time, picture information can be saved on the TF card, and the user can use on playback key playback or on computers/individual's the MP4 and consult.
As shown in Figure 4, charging circuit of the present utility model.When 12V voltage process integrated circuit (MP1482), at integrated circuit (MP1482) the 3rd pin output 5V.When 5V voltage/lithium battery voltage process integrated circuit (LN2406P) and integrated circuit (LN1182), at the 5th pin output 3.3V of integrated circuit (LN2406P), the 6th pin output 2.8V of integrated circuit (LN1182) and the 1st pin output 1.8V are to support the utility model work respectively.In the time of charging, power supply adaptor (or USB power supply) provides power supply for integrated circuit (JP4054) the 4th pin, be connected lithium battery this moment with integrated circuit (LN5061) the 3rd pin and press off the beginning rising, after being full of electricity, the level of charging indication pin (1 pin) has low level to transfer high level to, after main control integrated circuit detected this signal, the control electroluminescent lamp carried out the charged state prompting.Be full of electricity to guarantee operate as normal of the present utility model.In the time of charging, power supply adaptor (perhaps USB power supply) provides power supply for integrated circuit (PJ4054) the 4th pin, be connected lithium battery this moment with integrated circuit (PJ4054) the 3rd pin and press off the beginning rising, after being full of electricity, the level of charging indication pin (1 pin) has low level to transfer high level to, after main control integrated circuit detected time signal, the control light emitting LED lamp was carried out the charged state indication.As shown in Figure 3, mu balanced circuit of the present utility model when 12V voltage process integrated circuit (MP1482) the 2nd pin, is exported 1st pin of 5V voltage to integrated circuit (PJ4054) from the 1st pin of integrated circuit (MP1482).5V voltage or lithium battery voltage are through integrated circuit (LN2406P) and integrated circuit (LN1182), and respectively at integrated circuit the 5th pin output 3.3V, the 6th pin output 2.8V and first pin of integrated circuit (LN1182) are exported 1.8V.
Claims (4)
1. vehicle-mounted image recorder of two-path video multimedia display, by the power circuit part, the camera part, audio-frequency unit, main control integrated circuit is formed, it is characterized in that camera partly is by the two-way digital camera, one tunnel simulation camera, analog-digital conversion ic, resistance, electric capacity, connector, main control integrated circuit is formed, the picture information that digital camera is collected is delivered to digital signal on the main control integrated circuit by connector, the simulation camera is transported to analog to digital converter to the picture information of collecting, through analog to digital converter simulating signal is converted into digital signal and delivers to main control integrated circuit, main control integrated circuit is by processor of single chip computer, external storage, resistance, electric capacity is formed, audio/visual information is sent to main control integrated circuit and deposits in the external memory storage, processor of single chip computer is handled video/audio information and is integrated, respectively with digital signal and simulating signal output, storage compartment is by the SD/TF card, main control integrated circuit, resistance, electric capacity is formed, and picture information is handled the integration back through main control integrated circuit and exported on the SD/TF card with digital signal.
2. the vehicle-mounted image recorder of two-path video multimedia display according to claim 1; it is characterized in that power circuit part is finished by charging circuit, overvoltage crowbar, low electric cue circuit and mu balanced circuit provides burning voltage; charging circuit is made up of lithium battery, electric capacity, resistance, CMOS pipe; mu balanced circuit is made up of integrated package, inductance, resistance, electric capacity, and 12V, the input of 5V input/lithium electricity are through the needed 3.3V of integrated package of pressure-stabilizing out-put supply, 2.8V, 1.8V.
3. the vehicle-mounted image recorder of two-path video multimedia display according to claim 1, it is characterized in that audio-frequency unit is made up of microphone, resistance, electric capacity, main control integrated circuit, the audio-frequency information around electret microphone receives is delivered to main control integrated circuit through capacitive coupling filtering.
4. the vehicle-mounted image recorder of two-path video multimedia display according to claim 1, it is characterized in that power circuit comprises charging circuit, mu balanced circuit, at integrated circuit MP1482 the 3rd pin output 5V, voltage is through integrated circuit LN2406P and integrated circuit LN1182, export 3.3V at the 5th pin of integrated circuit LN2406P respectively, the 6th pin output 2.8V of integrated circuit LN1182 and the 1st pin output 1.8V, camera collection to picture information deliver to main control integrated circuit, the image/audio information stores is to the SD/TF card, the simulation camera enters into analog to digital converter TVP5150 through the 6th pin of CN5,8 digital signals of 11-18 pin output of analog to digital converter TVP5150 are to main control integrated circuit, the picture intelligence that digital camera collects is delivered to the SDATA2-9 pin on the main control integrated circuit MP521, video is input to main control integrated circuit, information storage is externally on the reservoir SDRAM, the picture information of processor of single chip computer shows on display, is saved on the TF card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202961370U CN201749502U (en) | 2009-12-29 | 2009-12-29 | Two-path video multimedia vehicle-mounted image recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202961370U CN201749502U (en) | 2009-12-29 | 2009-12-29 | Two-path video multimedia vehicle-mounted image recorder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201749502U true CN201749502U (en) | 2011-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202961370U Expired - Fee Related CN201749502U (en) | 2009-12-29 | 2009-12-29 | Two-path video multimedia vehicle-mounted image recorder |
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| CN (1) | CN201749502U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106296875A (en) * | 2016-08-16 | 2017-01-04 | 湖南纽思曼导航定位科技有限公司 | A kind of drive recorder and storage method |
-
2009
- 2009-12-29 CN CN2009202961370U patent/CN201749502U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106296875A (en) * | 2016-08-16 | 2017-01-04 | 湖南纽思曼导航定位科技有限公司 | A kind of drive recorder and storage method |
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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: 20110216 Termination date: 20141229 |
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| EXPY | Termination of patent right or utility model |