CN114500796A - Intelligent forward-looking vehicle-mounted camera controller - Google Patents
Intelligent forward-looking vehicle-mounted camera controller Download PDFInfo
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- CN114500796A CN114500796A CN202111621265.XA CN202111621265A CN114500796A CN 114500796 A CN114500796 A CN 114500796A CN 202111621265 A CN202111621265 A CN 202111621265A CN 114500796 A CN114500796 A CN 114500796A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
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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
- B60R11/04—Mounting of cameras operative during drive; Arrangement of controls thereof relative to the vehicle
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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Abstract
The invention discloses an intelligent foresight vehicle-mounted camera controller, which comprises: the device comprises an upper shell, a lower shell and a control circuit board, wherein a placing cavity is formed between the upper shell and the lower shell, the control circuit board is arranged in the placing cavity, the control circuit board comprises an SOC chip, an MCU chip, a level conversion circuit, a camera module, a power module, an FPC (flexible printed circuit) interface, an ADC (analog-to-digital converter) signal processing circuit, a DDR signal processing circuit and a QSPI communication module, the SOC chip comprises a DDR controller port, a QSPI controller port and a power port, and the QSPI communication module is in bidirectional connection with the SOC chip through the QSPI controller port; the DDR controller port is connected with an external DDR two-phase through a DDR signal processing circuit; the power supply module is connected with the SOC chip through the power supply port and used for supplying power to the SOC chip. The invention has the advantages of low power consumption and high efficiency.
Description
Technical Field
The invention relates to the technical field of camera controllers, in particular to an intelligent forward-looking vehicle-mounted camera controller.
Background
The vehicle-mounted camera module is a module capable of acquiring video images, and is widely applied to vehicle-mounted products such as vehicle indoor monitoring, a vehicle data recorder and backing images, so that more convenience is provided for users. Automobile intellectualization has become a trend, various ADAS products emerge endlessly in recent years, sensors such as cameras, millimeter wave radars, laser radars and the like are gradually applied to automobiles, and the cameras are assembled on automobiles at present due to the advantages of low price and natural object identification. The ADAS functions developed by using the camera include Lane Departure Warning (LDW), Lane Keeping Assist (LKA), Front Collision Warning (FCW), Automatic Emergency Braking (AEB), adaptive cruise (ACC), etc., and the performance of these functions on the vehicle completely depends on the sensing capability of the camera sensing unit and the decision-making capability of the camera control unit.
In the prior art, a main stream ADAS camera chip generally adopts a GPU or FPGA chip scheme to design a vehicle-mounted forward-looking camera controller, and the performance power consumption ratio of the camera controller is low if the GPU chip is adopted. And the FPGA chip scheme is adopted, so that the requirement on a user is high.
Disclosure of Invention
The invention aims to provide an intelligent forward-looking vehicle-mounted camera controller which has the advantages of low power consumption and high efficiency.
The technical purpose of the invention is realized by the following technical scheme:
an intelligent forward-looking vehicle camera controller, comprising: an upper shell, a lower shell and a control circuit board, wherein a placing cavity is formed between the upper shell and the lower shell, the control circuit board is arranged in the placing cavity, the control circuit board comprises an SOC chip, an MCU chip, a level conversion circuit, a camera module, a power module, an FPC interface, an ADC signal processing circuit, a DDR signal processing circuit and a QSPI communication module,
the SOC chip comprises a DDR controller port, a QSPI controller port and a power port, and the QSPI communication module is in bidirectional connection with the SOC chip through the QSPI controller port; the DDR controller port is connected with an external DDR two-phase through a DDR signal processing circuit; the power supply module is connected with the SOC chip through the power supply port and used for supplying power to the SOC chip;
the camera module is used for acquiring images and is connected with the SOC chip through an FPC interface;
the ADC signal processing circuit is connected with the MCU chip and is used for monitoring an input ADC signal;
the SOC chip is connected with the MCU chip through the level conversion circuit;
the DC/DC power conversion module is connected with the SOC chip and used for supplying power to the DDR controller;
the PMIC module is connected with the SOC chip, the PMIC module outputting a plurality of voltages to the SOC chip based on a PMIC supply voltage.
Further setting: the power module comprises a DC/DC power conversion sub-module and a PMIC sub-module, the DC/DC power conversion sub-module is connected with the SOC chip and used for supplying power to a DDR controller port, and the PMIC sub-module outputs a plurality of voltages to the SOC chip based on a PMIC supply voltage.
Further setting: the FPC interface comprises an input area, a signal area and a power supply area, wherein the input area is used for inputting MCLK signals to a camera module, the signal area is used for outputting MIPI CSI signals to the SOC chip and inputting I2C signals to the camera module, and the power supply area is used for supplying power to the camera module.
Further setting: the control circuit board further comprises a CAN interface and a plurality of CAN transceivers, and the CAN interface is connected with the MCU chip through the plurality of CAN transceivers.
Further setting: go up the casing with still be provided with the camera module down between the casing, the camera module includes camera lens module, first camera lens pivot and second camera lens pivot, the camera lens module is located between first camera lens pivot and the second camera lens pivot, screw connection is passed through in first camera lens pivot and the second camera lens pivot, still be provided with the rotatory buckle of pivot down on the casing, the camera module through the pivot turn the buckle earlier with lower body coupling.
Further setting: and a double-sided adhesive tape is also arranged at the top of the upper shell.
In conclusion, the invention has the following beneficial effects: the highly integrated SoC supports an ASIL C security target in the real-time field, and can manage sensor fusion and final decision-making operation without an external security MCU; the integrated complete set of automobile peripheral equipment comprises a CAN, an Ethernet AVB and a FlexRay, so that the expansibility of part integration is greatly increased; the video input and storage integrated system has high integration, integrates a video input module, a storage module, a communication module and the like, saves space and has higher reliability.
Drawings
FIG. 1 is a block diagram showing the overall structure of the embodiment;
fig. 2 is an exploded view of the overall structure of the embodiment.
In the figure, 1, an upper shell; 2. a lower housing; 3. a first lens rotating shaft; 4. a second lens rotating shaft; 5. a lens module; 6. the rotating shaft rotates the buckle; 7. a DEBUG board; 8. a copper stud; 9. and (4) double-sided adhesive tape.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
as shown in fig. 1, an intelligent forward-looking vehicle-mounted camera controller includes: the device comprises an upper shell 1, a lower shell 2 and a control circuit board, wherein a placing cavity is formed between the upper shell 1 and the lower shell 2, the control circuit board is arranged in the placing cavity, the control circuit board comprises an SOC chip, an MCU chip, a level conversion circuit, a camera module, a power supply module, an FPC interface, an ADC signal processing circuit, a DDR signal processing circuit and a QSPI communication module,
the SOC chip comprises a DDR controller port, a QSPI controller port and a power port, and the QSPI communication module is in bidirectional connection with the SOC chip through the QSPI controller port; the DDR controller port is connected with an external DDR two-phase through a DDR signal processing circuit; the power supply module is connected with the SOC chip through the power supply port and used for supplying power to the SOC chip;
the camera module is used for acquiring images and is connected with the SOC chip through an FPC interface;
the ADC signal processing circuit is connected with the MCU chip and is used for monitoring an input ADC signal;
the SOC chip is connected with the MCU chip through the level conversion circuit;
the DC/DC power conversion module is connected with the SOC chip and used for supplying power to the DDR controller;
the PMIC module is connected with the SOC chip, the PMIC module outputting a plurality of voltages to the SOC chip based on a PMIC supply voltage.
The power module comprises a DC/DC power conversion sub-module and a PMIC sub-module, the DC/DC power conversion sub-module is connected with the SOC chip and used for supplying power to a DDR controller port, and the PMIC sub-module outputs a plurality of voltages to the SOC chip based on a PMIC supply voltage.
The FPC interface comprises an input area, a signal area and a power supply area, wherein the input area is used for inputting MCLK signals to a camera module, the signal area is used for outputting MIPI CSI signals to the SOC chip and inputting I2C signals to the camera module, and the power supply area is used for supplying power to the camera module.
The control circuit board further comprises a CAN interface and a plurality of CAN transceivers, and the CAN interface is connected with the MCU chip through the plurality of CAN transceivers.
Go up casing 1 with still be provided with the camera module down between the casing 2, the camera module includes camera lens module 5, first camera lens pivot 3 and second camera lens pivot 4, camera lens module 5 is located between first camera lens pivot 3 and the second camera lens pivot 4, first camera lens pivot 3 and second camera lens pivot 4 pass through screwed connection, still be provided with the rotatory buckle of pivot 6 down on the casing 2, the camera module through the pivot turn the buckle earlier with casing 2 is connected down. The top of the upper shell 1 is also provided with a double-sided adhesive tape 9.
Still be provided with DEBUG board 7 in casing 2 bottom down, DEBUG board 7 is connected fixedly through four copper studs 8 with casing 2 down, and DEBUG board 7 only is used for debugging when developing, gets rid of DEBUG board 7 and copper studs 8 when production, and DEBUG board 7 is connected with control circuit board's SOC chip through the flexible flat cable.
The camera lens module, the video processing module, the communication module, the storage module, the power conversion module and the like are integrated and are placed in the controller. The invention has reasonable design, has the advantages of high function integration level, light weight, small volume, good insulation and damping effect and the like, and is suitable for the optimized design of the vehicle-mounted forward-looking camera controller. The highly integrated SoC supports an ASIL C security target in the real-time field, and can manage sensor fusion and final decision-making operation without an external security MCU; support up-to-date NCAP 2020 requirements, including driver monitoring systems, and provide a path for migration to NCAP 2025; the integrated complete set of automobile peripheral equipment comprises a CAN, an Ethernet AVB and a FlexRay, so that the expansibility of part integration is greatly increased; the video input and storage integrated system has high integration, integrates a video input module, a storage module, a communication module and the like, saves space and has higher reliability.
The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.
Claims (6)
1. An intelligent forward-looking vehicle-mounted camera controller, comprising: the device comprises an upper shell (1), a lower shell (2) and a control circuit board, wherein a placing cavity is formed between the upper shell (1) and the lower shell (2), the control circuit board is arranged in the placing cavity, the control circuit board comprises an SOC chip, an MCU chip, a level conversion circuit, a camera module, a power supply module, an FPC interface, an ADC signal processing circuit, a DDR signal processing circuit and a QSPI communication module,
the SOC chip comprises a DDR controller port, a QSPI controller port and a power port, and the QSPI communication module is in bidirectional connection with the SOC chip through the QSPI controller port; the DDR controller port is connected with an external DDR two-phase through a DDR signal processing circuit; the power supply module is connected with the SOC chip through the power supply port and used for supplying power to the SOC chip;
the camera module is used for acquiring images and is connected with the SOC chip through an FPC interface;
the ADC signal processing circuit is connected with the MCU chip and is used for monitoring an input ADC signal;
the SOC chip is connected with the MCU chip through the level conversion circuit;
the DC/DC power conversion module is connected with the SOC chip and used for supplying power to the DDR controller;
the PMIC module is connected with the SOC chip, the PMIC module outputting a plurality of voltages to the SOC chip based on a PMIC supply voltage.
2. The intelligent forward-looking vehicle camera controller of claim 1, wherein the power module comprises a DC/DC power conversion sub-module and a PMIC sub-module, the DC/DC power conversion sub-module is connected with the SOC chip for powering the DDR controller port, the PMIC sub-module outputs a plurality of voltages to the SOC chip based on a PMIC supply voltage.
3. The intelligent forward-looking vehicle-mounted camera according to claim 1, wherein the FPC interface comprises an input area, a signal area and a power supply area, the input area is used for inputting MCLK signals to a camera module, the signal area is used for outputting MIPI CSI signals to the SOC chip and inputting I2C signals to the camera module, and the power supply area is used for supplying power to the camera module.
4. The intelligent forward-looking vehicle camera controller of claim 1, wherein the control circuit board further comprises a CAN interface and a plurality of CAN transceivers, the CAN interface being connected to the MCU chip through the plurality of CAN transceivers.
5. The intelligent forward-looking vehicle-mounted camera controller according to claim 1, wherein a camera module is further arranged between the upper housing (1) and the lower housing (2), the camera module comprises a lens module (5), a first lens rotating shaft (3) and a second lens rotating shaft (4), the lens module (5) is located between the first lens rotating shaft (3) and the second lens rotating shaft (4), the first lens rotating shaft (3) and the second lens rotating shaft (4) are connected through screws, a rotating shaft rotating buckle (6) is further arranged on the lower housing (2), and the camera module is connected with the lower housing (2) through a rotating shaft first rotating buckle.
6. An intelligent forward-looking vehicle-mounted camera controller according to claim 5, characterized in that a double-sided adhesive tape (9) is further arranged on the top of the upper shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111621265.XA CN114500796A (en) | 2021-12-28 | 2021-12-28 | Intelligent forward-looking vehicle-mounted camera controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111621265.XA CN114500796A (en) | 2021-12-28 | 2021-12-28 | Intelligent forward-looking vehicle-mounted camera controller |
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| Publication Number | Publication Date |
|---|---|
| CN114500796A true CN114500796A (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111621265.XA Pending CN114500796A (en) | 2021-12-28 | 2021-12-28 | Intelligent forward-looking vehicle-mounted camera controller |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210201951U (en) * | 2019-09-29 | 2020-03-27 | 杭州海康汽车技术有限公司 | Rotatable adjustment mechanism of camera and supervisory equipment |
| CN111083439A (en) * | 2019-12-16 | 2020-04-28 | 江苏开沃汽车有限公司 | Automobile high-resolution panoramic fusion system |
| CN212447399U (en) * | 2020-05-18 | 2021-02-02 | 英博超算(南京)科技有限公司 | Low-power-consumption energy-saving vehicle-mounted controller |
| CN112351915A (en) * | 2020-04-24 | 2021-02-09 | 上海商汤临港智能科技有限公司 | Vehicle and cabin zone controller |
-
2021
- 2021-12-28 CN CN202111621265.XA patent/CN114500796A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210201951U (en) * | 2019-09-29 | 2020-03-27 | 杭州海康汽车技术有限公司 | Rotatable adjustment mechanism of camera and supervisory equipment |
| CN111083439A (en) * | 2019-12-16 | 2020-04-28 | 江苏开沃汽车有限公司 | Automobile high-resolution panoramic fusion system |
| CN112351915A (en) * | 2020-04-24 | 2021-02-09 | 上海商汤临港智能科技有限公司 | Vehicle and cabin zone controller |
| CN212447399U (en) * | 2020-05-18 | 2021-02-02 | 英博超算(南京)科技有限公司 | Low-power-consumption energy-saving vehicle-mounted controller |
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