CN221039425U - Vehicle-mounted blind area millimeter wave radar with built-in Bluetooth communication debugging function - Google Patents
Vehicle-mounted blind area millimeter wave radar with built-in Bluetooth communication debugging function Download PDFInfo
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- CN221039425U CN221039425U CN202322650819.XU CN202322650819U CN221039425U CN 221039425 U CN221039425 U CN 221039425U CN 202322650819 U CN202322650819 U CN 202322650819U CN 221039425 U CN221039425 U CN 221039425U
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Abstract
The utility model discloses a vehicle-mounted blind zone millimeter wave radar with built-in Bluetooth communication debugging, which comprises a shell, a millimeter wave radar PCBA main board, an in-vehicle alarm device and intelligent terminal equipment, wherein the millimeter wave radar PCBA main board is arranged in the shell, the shell comprises an upper cover and a bottom shell, the millimeter wave radar PCBA main board is arranged between the upper cover and the bottom shell, the millimeter wave radar PCBA main board is connected with the in-vehicle alarm device through a wire harness, and the millimeter wave radar PCBA main board is connected with the intelligent terminal equipment through wireless. The millimeter wave radar PCBA main board comprises a Bluetooth module, an attitude sensor, a radar main control unit, a power supply unit, a CAN transceiver and a detection input/control output circuit, wherein the radar main control unit is communicated with the Bluetooth module through a UART, and the Bluetooth module is connected with intelligent terminal equipment in a wireless Bluetooth communication mode. The vehicle-mounted blind area millimeter wave radar can be accurately installed and rapidly debugged through the built-in Bluetooth and attitude sensor, different vehicle installation environments and detection areas can be flexibly configured, and the detection target visualization can be realized.
Description
Technical Field
The utility model relates to the field of vehicle-mounted blind area millimeter wave radars, in particular to a vehicle-mounted blind area millimeter wave radar with built-in Bluetooth communication debugging.
Background
With the improvement of social level, the travel frequency of people is continuously increased; meanwhile, the efficiency expectations of life and production tools are continuously improved; various plaza vehicles such as buses, vans, watering buses, fire trucks, trucks and the like are increasingly increasing. Safety accidents frequently occur on outdoor roads where vehicles and pedestrians meet; the importance of pedestrian safety, vehicle early warning and blind area monitoring is increasingly highlighted.
The millimeter wave radar is the application of the radar which works in the millimeter wave band (usually 30-300 GHz frequency domain, wavelength is 1-10 mm) detection in the automobile dead zone early warning and monitoring field; the device has the characteristics of small volume, light weight and high spatial resolution; meanwhile, the millimeter wave has strong capability of penetrating fog, smoke and dust, and has the characteristics of all weather (except in heavy rainy days) all day.
Bluetooth communication is a short-distance wireless communication technology, and can establish a communication connection environment for fixed or mobile equipment.
An attitude sensor, a sensor for measuring the attitude of an object, can detect the acceleration and angular velocity of the object in three directions of x, y and z, and calculate the direction and angle of the object.
The millimeter wave radar has higher requirements on the installation height and the installation angle when in use; the market has various vehicle types, and the external dimensions, the use environments and the blind area ranges of different vehicle types are different; the blind area reminding effect of the blind area millimeter wave radar cannot be displayed to the greatest extent even if the installation and debugging effects are not ideal. The installation angle of the common millimeter wave radar is usually measured by a special tool, and the influence of environmental errors such as ground gradient exists; the installed functional effect usually needs to pass through a single object or a pedestrian target for multiple times, repeatedly move or stay at different angles and different distances, and repeatedly confirm according to the alarm output condition of the alarm output device to judge the detection area and detection effect of the millimeter wave radar; the measurement and test accuracy basically depends on the experience and expertise of each of the installation and test personnel; in the post-load terminal market, it is difficult to guarantee.
Disclosure of utility model
The utility model aims to provide a vehicle-mounted blind area millimeter wave radar with built-in Bluetooth communication debugging, which is characterized in that Bluetooth and an attitude sensor are built in the vehicle-mounted blind area millimeter wave radar, an intelligent terminal is connected with the millimeter wave radar through Bluetooth, installation pitching angle information fed back by the attitude sensor is obtained, and the installation angle condition is confirmed; vehicle types with different requirements on height, width and blind area detection areas are set through corresponding APP tools; the vehicle is matched with the millimeter wave radar of the vehicle blind area after guiding and calibrating, the installation and the debugging are completed rapidly, and the early warning of the vehicle blind area is realized; the accident rate in the driving process of the vehicle is reduced, and the travel safety and the driving experience are improved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a built-in bluetooth communication debugging's on-vehicle blind area millimeter wave radar, includes the casing, installs millimeter wave radar PCBA mainboard, in-vehicle alarm device and intelligent terminal equipment in the casing, the casing includes upper cover and drain pan, millimeter wave radar PCBA mainboard is installed between upper cover and drain pan, millimeter wave radar PCBA mainboard passes through the pencil with alarm device in the car and is connected, pass through wireless connection between millimeter wave radar PCBA mainboard and the intelligent terminal equipment.
The millimeter wave radar PCBA main board comprises a Bluetooth module, an attitude sensor, a radar main control unit, a power supply unit, a CAN transceiver and a detection input/control output circuit, wherein the radar main control unit is communicated with the Bluetooth module through a UART, and the Bluetooth module is connected with intelligent terminal equipment in a wireless Bluetooth communication mode.
When the vehicle-mounted blind area millimeter wave radar is installed, the attitude sensor can detect pitching angle information after the millimeter wave radar is installed, and the I2C interface is adopted to communicate with the radar main control unit; the radar main control unit judges and feeds back whether the installation pitching angle is qualified or not, communicates with the Bluetooth module through a UART interface, and displays information on an APP interface of the connected intelligent terminal equipment through Bluetooth wireless transmission; when the angle exceeds a preset value, an installer is reminded through APP active feedback, the installation is standardized and correctly performed, and the problems that a detection area and actual requirements are not in line with each other and target detection is unstable due to pitching angle deviation caused by irregular installation are avoided.
The radar main control unit is communicated with the Bluetooth module through a UART interface, and radar data can be displayed on a connected intelligent terminal APP interface through Bluetooth wireless transmission; related parameter adjustment, simulation test, real-time monitoring, log acquisition, firmware upgrading and other operations can be performed on the millimeter wave radar through the APP setting menu.
The real-time monitoring function is that information such as target positions, relative speeds of moving targets, target energy intensity and the like in a detection area can be displayed and set in real time on an APP display interface through an intelligent terminal connected with Bluetooth; the radar detection effect is intuitively reflected, and efficient and visual use experience can be provided in application scenes such as installation and debugging, user testing and the like.
The functions of log acquisition and firmware upgrading can be realized, so that a radar log can be conveniently and rapidly acquired if necessary, or firmware upgrading can be carried out on the radar; providing better after-sales security for users.
Aiming at vehicle types with different requirements on height, width and blind area detection areas, an intelligent terminal is used for connecting millimeter wave radar through Bluetooth, and then relevant parameter setting is carried out; guiding the installer to accurately and reliably match and debug the vehicle and the vehicle-mounted blind area millimeter wave radar, and rapidly completing installation. The vehicle millimeter wave radar has low threshold and high efficiency, is convenient for popularization and installation of millimeter wave radars of various types of vehicles, and realizes vehicle blind zone early warning; the accident rate in the driving process of the vehicle is reduced, and the travel safety and the driving experience are improved.
And the radar main control unit is communicated with the attitude sensor through one path of I2C to acquire the angle information of the millimeter wave radar.
And the radar main control unit is communicated with the CAN transceiver through a serial port supporting CAN communication and outputs radar target information.
The radar main control unit is connected with an input detection/control output part circuit in an IO mode, and the input detection circuit detects the state information of a gear and a steering lamp of the vehicle and is used for judging the alarm level; the control output circuit is used for driving the alarm device in the vehicle. The power supply part is connected with a vehicle battery to obtain power and converts the power into power required by each unit.
Compared with the prior art, the utility model has the beneficial effects that:
According to the vehicle-mounted blind area millimeter wave radar with the built-in Bluetooth communication debugging, the built-in Bluetooth module and the gesture sensor are used for realizing accurate installation and rapid debugging, different vehicle installation environments and detection areas can be flexibly configured, and the detection target is visualized.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a millimeter wave radar PCBA motherboard architecture of the present utility model;
FIG. 3 is a schematic diagram of a radar communication signal according to the present utility model;
FIG. 4 is a schematic diagram of radar alarm logic according to the present utility model.
Reference numerals: 11. an upper cover; 12. a bottom case; 2. a millimeter wave radar PCBA main board; 3. an in-vehicle alarm device; 4. and the intelligent terminal equipment.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
In the description of the present utility model, it should be noted that, directions or positions indicated by terms such as "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, the vehicle-mounted blind zone millimeter wave radar for the built-in bluetooth communication debugging of the present embodiment includes a housing, a millimeter wave radar PCBA motherboard 2 installed in the housing, an in-vehicle alarm device 3 and an intelligent terminal device 4, wherein the housing includes an upper cover 11 and a bottom shell 12, the millimeter wave radar PCBA motherboard 2 is installed between the upper cover 11 and the bottom shell 12, the millimeter wave radar PCBA motherboard 2 is connected with the in-vehicle alarm device 3 through a wire harness, and the millimeter wave radar PCBA motherboard 2 is connected with the intelligent terminal device 4 through a wireless connection.
As shown in fig. 2, the millimeter wave radar PCBA motherboard 2 includes a bluetooth module, an attitude sensor, a radar main control unit, a power supply unit, a CAN transceiver, and a detection input/control output circuit. The power supply unit supports power supply input of DC9V-32V, and is connected with a vehicle battery to take power and convert the power into power required by each unit.
As shown in fig. 3, the radar main control unit communicates with the bluetooth module through a UART, the bluetooth module is connected with the intelligent terminal device 4 through a wireless bluetooth communication mode, the radar main control unit communicates with the attitude sensor through an I2C, acquires angle information of the millimeter wave radar, and communicates with the CAN transceiver through a serial port supporting CAN communication, and outputs radar target information.
As shown in fig. 4, the radar main control unit is connected with an input detection/control output part circuit in an IO manner, and the input detection circuit detects the gear and turn signal state information of the vehicle and is used for judging the alarm level; the control output circuit is used for driving the alarm device in the vehicle. The in-vehicle alarm device 3 includes a left-side photoelectric alarm, a right-side photoelectric alarm, and an acoustic alarm, and the acoustic alarm employs a buzzer.
The intelligent terminal equipment 4 is one of a mobile phone, a tablet personal computer and a notebook computer supporting the Bluetooth function, the intelligent terminal equipment 4 is provided with matched APP software, and after the Bluetooth is connected with the vehicle-mounted blind area millimeter wave radar, the intelligent terminal equipment 4 performs man-machine interaction operations of installation angle acquisition, installation height setting, detection area setting, sensitivity level setting, alarm mode adjustment, simulation test, real-time monitoring, log acquisition and firmware upgrading through the APP.
Working principle: taking a freight truck as an example, the vehicle-mounted blind area millimeter wave radar with the built-in Bluetooth communication debugging is installed and is used for vehicle backward blind area early warning.
The installation step comprises the following steps:
① Fixing the radar in the right direction and height at the rear central position of the vehicle; the in-car alarm device is fixed at a proper position of an in-car cab and connected with a corresponding wire harness connector;
② Connecting left and right steering lamp detection lines and reversing detection lines of the radar system to left and right steering lamps and reversing lamps of the vehicle;
③ The radar harness electricity-taking interface is connected to the vehicle fuse box to supply electricity to the radar system.
Debugging:
① After the radar supplies power, observing the output state of an alarm device in the vehicle, and confirming the connection and power-on conditions of the system;
② Using intelligent terminals such as mobile phones, entering a corresponding APP, and establishing communication with a radar through searching and connecting Bluetooth; receiving angle information acquired by a radar through an attitude sensor, and confirming whether the installation angle is normal or not;
③ Inputting actual installation height information of a field radar corresponding to the APP at the intelligent terminal, and setting parameters such as width, distance, alarm mode and the like of an early warning area; until APP simulation test passed.
The installation and the debugging are completed, and the test and the verification of the moving vehicle or the object are completed; and combining the target quantity and speed conditions displayed in real time by the intelligent terminal corresponding to the APP and the output state of the in-vehicle alarm device to confirm the early warning effect.
According to the vehicle-mounted blind area millimeter wave radar with the built-in Bluetooth communication debugging, the built-in Bluetooth module and the gesture sensor are used for realizing accurate installation and rapid debugging, different vehicle installation environments and detection areas can be flexibly configured, and the detection target is visualized.
The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. A vehicle-mounted blind area millimeter wave radar with built-in Bluetooth communication debugging is characterized in that: including casing, install millimeter wave radar PCBA mainboard (2) in the casing, alarm device (3) and intelligent terminal equipment (4) in the car, the casing includes upper cover (11) and drain pan (12), millimeter wave radar PCBA mainboard (2) are installed between upper cover (11) and drain pan (12), alarm device (3) are installed in the car driver's cabin, through wireless connection between millimeter wave radar PCBA mainboard and intelligent terminal equipment (4).
2. The vehicle-mounted blind zone millimeter wave radar with built-in Bluetooth communication debugging according to claim 1, wherein: the millimeter wave radar PCBA main board (2) comprises a Bluetooth module, an attitude sensor, a radar main control unit, a power supply unit, a CAN transceiver and a detection input/control output circuit, wherein the radar main control unit is communicated with the Bluetooth module through a UART (universal asynchronous receiver/transmitter), the Bluetooth module is connected with intelligent terminal equipment (4) in a wireless Bluetooth communication mode, the radar main control unit is communicated with the attitude sensor through an I2C, the angle information of the millimeter wave radar is obtained, the radar main control unit is communicated with the CAN transceiver through a serial port supporting CAN communication, radar target information is output, the radar main control unit is connected with the input/control output circuit in an IO (input/output) mode, and the input detection circuit detects the gear and turn signal state information of a vehicle and is used for judging the alarm level; the control output circuit is used for driving the alarm device in the vehicle.
3. The vehicle-mounted blind zone millimeter wave radar with built-in bluetooth communication debugging according to claim 1 or 2, wherein: the in-vehicle alarm device (3) comprises a left-side photoelectric alarm, a right-side photoelectric alarm and an audible alarm.
4. The vehicle-mounted blind zone millimeter wave radar with built-in Bluetooth communication debugging according to claim 3, wherein: the intelligent terminal device (4) is one of a mobile phone, a tablet personal computer and a notebook computer which support a Bluetooth function, the intelligent terminal device (4) is provided with matched APP software, and after the Bluetooth is connected with a vehicle-mounted dead zone millimeter wave radar, the intelligent terminal device performs man-machine interaction operation of installation angle acquisition, installation height setting, detection area setting, sensitivity level setting, alarm mode adjustment, simulation test, real-time monitoring, log acquisition and firmware upgrading through the APP.
5. The vehicle-mounted blind zone millimeter wave radar with built-in Bluetooth communication debugging according to claim 2, wherein: the power supply unit supports a power supply input of DC 9V-32V.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322650819.XU CN221039425U (en) | 2023-09-28 | 2023-09-28 | Vehicle-mounted blind area millimeter wave radar with built-in Bluetooth communication debugging function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202322650819.XU CN221039425U (en) | 2023-09-28 | 2023-09-28 | Vehicle-mounted blind area millimeter wave radar with built-in Bluetooth communication debugging function |
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| Publication Number | Publication Date |
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| CN221039425U true CN221039425U (en) | 2024-05-28 |
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| CN202322650819.XU Active CN221039425U (en) | 2023-09-28 | 2023-09-28 | Vehicle-mounted blind area millimeter wave radar with built-in Bluetooth communication debugging function |
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- 2023-09-28 CN CN202322650819.XU patent/CN221039425U/en active Active
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