CN219122400U - Vehicle radar calibration device - Google Patents
Vehicle radar calibration device Download PDFInfo
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- CN219122400U CN219122400U CN202223260453.7U CN202223260453U CN219122400U CN 219122400 U CN219122400 U CN 219122400U CN 202223260453 U CN202223260453 U CN 202223260453U CN 219122400 U CN219122400 U CN 219122400U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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Abstract
The embodiment of the utility model provides a vehicle-mounted radar calibration device, which comprises at least one radar probe docking port, a DATA acquisition device and a DATA transmission device, wherein the radar probe docking port is used for connecting a DATA pin of a radar probe to be calibrated through a DATA line; the plurality of calibration instruction units are used for receiving external operation control and respectively generating different calibration instructions; the data storage unit is pre-stored with a relation table of calibration instructions and radar probe identification codes; the data processing unit is respectively connected with the radar probe docking port, the calibration instruction unit and the data storage unit and is used for receiving the calibration instruction, determining the unique identity of the radar probe to be calibrated according to the relation table of the calibration instruction and the radar probe identification code and writing the identity into the corresponding power-down nonvolatile memory of the radar probe to be calibrated. The radar probe adopted by the utility model has low requirements, can adopt the radar probe without an ID pin, can simplify the wire harness externally connected by the radar probe, and effectively reduces the design and manufacturing cost of the radar probe and the wire harness cost of the whole vehicle.
Description
Technical Field
The embodiment of the utility model relates to the technical field of vehicle-mounted radars, in particular to a vehicle-mounted radar calibration device.
Background
At present, the existing vehicle-mounted host-free radar system generally adopts a plurality of radar probes to detect obstacles around a motor vehicle, and in order to conveniently determine the detection direction of each radar probe and radar detection data in the detection direction, each radar probe installed on the motor vehicle needs to be configured necessarily before leaving a factory to determine the unique corresponding identity of each radar probe.
The existing vehicle-mounted host-free radar system is characterized in that the identity of each radar probe is distinguished by adopting radar probes with ID pins in different wiring modes, specifically, the radar probes comprise DATA pins, VCC pins, GND pins and ID pins, when the vehicle-mounted host-free radar system is applied, different identification marks are distributed to each radar probe by adopting different wiring modes with the ID pins of each radar probe, for example, the ID pins are respectively connected to a ground wire, a power wire, a DATA wire and a suspension, so that when each radar probe is powered on, a response device can distinguish the identification marks by reading the wiring states of the ID pins of each radar probe.
However, the inventor of the present application found that, in practical application, the above-mentioned vehicle-mounted non-host radar system still has the following drawbacks: the ID pin is required to be additionally arranged on the radar probe, so that the design and manufacturing cost of the radar probe are increased, the corresponding plug connector is larger in size, the layout setting of the radar probe is affected, in addition, an independent ID pin connecting line is required, 4 connecting lines are required for the wire harness externally connected with the radar probe, and the wire harness cost of the whole vehicle is increased. After the assembly connection of all the radar probes is completed, identity identification is performed during power-on starting, and the functions of calibrating and then assembling cannot be realized.
Disclosure of Invention
The technical problem to be solved by the embodiment of the utility model is to provide the vehicle-mounted radar calibration device which can calibrate the radar probe to be calibrated in a low-cost and convenient manner to determine the identity of the radar probe.
In order to solve the technical problems, the embodiment of the utility model adopts the following technical scheme: a vehicle radar calibration device, comprising:
the at least one radar probe docking port is used for connecting a DATA pin of the radar probe to be calibrated through a DATA line;
the plurality of calibration instruction units are used for receiving external operation control and respectively generating different calibration instructions;
the data storage unit is pre-stored with a relation table of calibration instructions and radar probe identification codes;
the data processing unit is respectively connected with the radar probe docking port, the calibration instruction unit and the data storage unit and is used for receiving the calibration instruction, determining the unique identity of the radar probe to be calibrated according to the relation table of the calibration instruction and the radar probe identification code and writing the identity into the corresponding power-down nonvolatile memory of the radar probe to be calibrated.
Further, the vehicle-mounted radar calibration device further comprises a circuit board, wherein the radar probe docking port, the calibration command unit, the data storage unit and the data processing unit are integrally arranged on the circuit board, a plurality of calibration command units are control keys respectively, the data processing unit is a data processing chip, and the data processing chip is provided with a plurality of pins which are connected with the calibration command units in a one-to-one correspondence manner.
Further, the circuit board is also provided with:
and the external data port is connected with the data storage unit and is used for connecting an external input device to input and/or edit the relation table of the calibration instruction and the radar probe identification code.
Further, the data storage unit is a USB flash disk or a data storage card, and the circuit board is correspondingly provided with a plug-in port for correspondingly plugging the USB flash disk or the data storage card.
Further, the vehicle-mounted radar calibration device further comprises:
and the display unit is arranged on the circuit board and connected with the data processing unit and is used for displaying the calibration result of the radar probe to be calibrated.
Further, the display unit is an indicator light which indicates the successful calibration and the failed calibration respectively in different colors.
Further, a plurality of radar probe docking ports are arranged and are in one-to-one correspondence with the calibration instruction units, the radar probe docking ports are respectively connected with different radar probes to be calibrated, and the data processing unit writes the identity mark into a power-down nonvolatile memory of the radar probe connected with the radar probe docking port corresponding to the calibration instruction unit which sends the calibration instruction.
Further, the vehicle-mounted radar calibration device further comprises a shell, the circuit board is assembled inside the shell, and a plurality of through holes for exposing corresponding components to be exposed are formed in the shell.
By adopting the technical scheme, the embodiment of the utility model has at least the following beneficial effects: the embodiment of the utility model provides a vehicle-mounted radar calibration device, which can be connected with a radar probe to be calibrated and a DATA pin through a DATA line by a radar probe docking port, then a calibration command unit is operated to send a calibration command, namely, a DATA processing unit can determine the unique identity of the radar probe to be calibrated according to a calibration command and radar probe identification code relation table pre-stored in a DATA storage unit, and further writes the identity into a power-down nonvolatile memory of the radar probe to be calibrated, so that calibration is completed, the radar probe is assembled to a corresponding position on a motor vehicle, and in the running process of the motor vehicle, when the corresponding radar probe is started, each radar probe feeds back detection DATA, the corresponding identity can be automatically read and used from the power-down nonvolatile memory. Therefore, the processing mode of calibrating and then assembling the radar probe can be realized, in addition, the requirement on the radar probe adopted by the vehicle-mounted host-free radar system is low, the radar probe without an ID pin can be adopted, and the wire harness externally connected with the radar probe can be simplified, so that the design and manufacturing cost of the radar probe and the wire harness cost of the whole vehicle are effectively reduced.
Drawings
FIG. 1 is a block diagram of an alternate embodiment of the vehicle radar calibration device of the present utility model.
FIG. 2 is a schematic diagram of an alternative embodiment of the vehicle radar calibration device according to the present utility model.
FIG. 3 is a schematic view of the structure of a further alternative embodiment of the vehicle radar calibration device according to the present utility model.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the specific examples. It should be understood that the following exemplary embodiments and descriptions are only for the purpose of illustrating the utility model and are not to be construed as limiting the utility model, and that the embodiments and features of the embodiments of the utility model may be combined with one another without conflict.
As shown in fig. 1 and 2, an alternative embodiment of the present utility model provides a vehicle radar calibration device 2, including:
at least one radar probe docking port 21 for connecting the DATA pin of the radar probe 1 to be calibrated through a DATA line;
a plurality of calibration command units 22 for receiving external operation control to generate different calibration commands, respectively;
the data storage unit 23 is pre-stored with a relation table of calibration instructions and radar probe identification codes;
the data processing unit 24 is respectively connected with the radar probe docking port 21, the calibration command unit 22 and the data storage unit 23, and is used for receiving the calibration command, determining the unique identity of the radar probe 1 to be calibrated according to the relationship table of the calibration command and the radar probe identification code, and writing the identity into the corresponding power-down nonvolatile memory 11 of the radar probe 1 to be calibrated.
The embodiment of the utility model provides a vehicle-mounted radar calibration device 2, which can be connected with a radar probe 1 to be calibrated and a DATA pin through a DATA line by a radar probe docking port 21, then a calibration command unit 22 is operated to send a calibration command, a DATA processing unit 24 can determine and determine the unique identity of the radar probe 1 to be calibrated according to a calibration command and radar probe identification code relation table pre-stored in a DATA storage unit 23, the identity is further written into a power-down nonvolatile memory 11 of the radar probe 1 to be calibrated, thus calibration is completed, the radar probe 1 is assembled on a corresponding position on a motor vehicle, and when the corresponding radar probe 1 is started in the running process of the motor vehicle, the corresponding identity can be automatically read and used from the power-down nonvolatile memory 11 when the corresponding radar probe 1 feeds back detection DATA. Therefore, the processing mode of calibrating and then assembling the radar probe 1 can be realized, in addition, the requirement on the radar probe 1 adopted by the vehicle-mounted host-free radar system is low, the radar probe 1 without an ID pin can be adopted, and the radar probe 1 can also simplify the externally connected wire harness, so that the design and manufacturing cost of the radar probe 1 and the cost of the whole vehicle wire harness are effectively reduced.
In an alternative embodiment of the present utility model, as shown in fig. 1, the vehicle radar calibration device 2 further includes a circuit board 20, the radar probe docking port 21, the calibration command unit 22, the data storage unit 23, and the data processing unit 24 are all integrally disposed on the circuit board 20, the plurality of calibration command units 22 are control buttons, the data processing unit 24 is a data processing chip, and the data processing chip has a plurality of pins connected to the calibration command units 22 in a one-to-one correspondence manner. In this embodiment, the radar probe docking port 21, the calibration instruction unit 22, the data storage unit 23 and the data processing unit 24 are all integrated on the same circuit board 20, so that the integration level is high; meanwhile, a plurality of control keys are correspondingly connected to pins on the data processing chip respectively, and after different control keys are pressed down, calibration instructions corresponding to different radar probes 1 to be calibrated are sent out, so that the operation is convenient.
In an alternative embodiment of the present utility model, as shown in fig. 1, the circuit board 20 is further provided with:
and an external data port 25 connected with the data storage unit 23 and used for connecting an external input device to input and/or edit the relation table of the calibration command and the radar probe identification code. In this embodiment, the external data port 25 is set, so that the relationship table between the calibration instruction and the radar probe identification code is input and/or edited after the input device is connected to the external data port 25, which is convenient for maintenance, and meets the calibration requirements of various products of the radar probe 1 to be calibrated.
In an alternative embodiment of the present utility model, the data storage unit 23 is a usb disk or a data storage card, and the circuit board 20 is correspondingly provided with a socket port (not shown) for correspondingly plugging the usb disk or the data storage card. In this embodiment, the data storage unit 23 is configured as an external storage device, for example, a usb disk or a data storage card is correspondingly plugged into a plug-in port on the circuit board 20 to read related data, and in application, the calibration requirements of various products of the radar probe 1 to be calibrated can be met by disassembling and replacing the usb disk or the data storage card with different calibration instructions and the radar probe identification code relation table, and the operation is convenient and the flexibility is strong.
In an alternative embodiment of the present utility model, as shown in fig. 1, the vehicle radar calibration device 2 further includes: and the display unit 26 is arranged on the circuit board 20 and connected with the data processing unit 24, and is used for displaying the calibration result of the radar probe 1 to be calibrated. In this embodiment, a display unit 26 is further provided to display the calibration result of the radar probe 1 to be calibrated, so that an operator can learn the calibration result, and if the calibration fails, the operator can also maintain in time.
In an alternative embodiment of the present utility model, as shown in fig. 1 and 2, the display unit 26 is an indicator light that indicates calibration success and calibration failure with different colors, respectively. In the embodiment, the indicator lamps distinguish the calibration results of successful calibration and failure calibration by different colors, so that an operator can conveniently and intuitively and accurately acquire the calibration results. In specific implementation, two indicator lamps are arranged, wherein one indicator lamp with successful calibration is set to be green in a lighting state, and the indicator lamp with failed calibration is set to be red.
In an alternative embodiment of the present utility model, as shown in fig. 1 and fig. 3, a plurality of radar probe docking ports 21 are provided, and the plurality of radar probe docking ports 21 are disposed in one-to-one correspondence with the calibration command units 22, the plurality of radar probe docking ports 21 are respectively connected to different radar probes 1 to be calibrated, and the data processing unit 24 writes the identity into the power-down nonvolatile memory 11 of the radar probe 1 to which the radar probe docking port 21 associated with the calibration command unit 22 that issues the calibration command is connected. In this embodiment, a plurality of radar probe docking ports 21 corresponding to the calibration command units 22 are provided, so that a plurality of radar probes 1 to be calibrated can be simultaneously installed on the vehicle-mounted radar calibration device 2, and the calibration command unit 22 sends calibration commands to the plurality of radar probes 1 to be calibrated in order to improve the calibration efficiency. In a specific implementation, the vehicle-mounted radar calibration device 2 has four radar probe docking ports 21 for connecting each radar probe 1, and the device can calibrate 4 radar probes 1 which are required to be mounted on a vehicle head or a vehicle tail at a time, and it should be noted that the number of the radar probe docking ports 21 is not limited to four, and the specific situation can be designed according to the mounting position (the vehicle head and/or the vehicle tail and/or the vehicle side) of the parking requirement of the motor vehicle and the number of the radar probes 1, and the specific situation is not repeated herein.
In an alternative embodiment of the present utility model, as shown in fig. 1-3, the vehicle radar calibration device 2 further includes a housing 200, the circuit board 20 is assembled inside the housing 200, and a plurality of through holes (not shown) are formed in the housing 200 for exposing components that need to be exposed correspondingly. In this embodiment, the housing 200 is an integrally formed structure, which has a through hole for exposing the exposed components such as the radar probe docking port 21, the control key, the external data port 25, the plugging port, the indicator light, etc., so as to facilitate assembly of the exposed components.
The embodiments of the present utility model have been described above with reference to the accompanying drawings, but the present utility model is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are all within the scope of the present utility model.
Claims (8)
1. A vehicle radar calibration device, the device comprising:
the at least one radar probe docking port is used for connecting a DATA pin of the radar probe to be calibrated through a DATA line;
the plurality of calibration instruction units are used for receiving external operation control and respectively generating different calibration instructions;
the data storage unit is pre-stored with a relation table of calibration instructions and radar probe identification codes;
the data processing unit is respectively connected with the radar probe docking port, the calibration instruction unit and the data storage unit and is used for receiving the calibration instruction, determining the unique identity of the radar probe to be calibrated according to the relation table of the calibration instruction and the radar probe identification code and writing the identity into the corresponding power-down nonvolatile memory of the radar probe to be calibrated.
2. The vehicle-mounted radar calibration device according to claim 1, further comprising a circuit board, wherein the radar probe docking port, the calibration command unit, the data storage unit and the data processing unit are all integrally arranged on the circuit board, a plurality of calibration command units are control keys respectively, the data processing unit is a data processing chip, and the data processing chip is provided with a plurality of pins which are connected with the calibration command units in a one-to-one correspondence manner.
3. The vehicle-mounted radar calibration device according to claim 2, wherein the circuit board is further provided with:
and the external data port is connected with the data storage unit and is used for connecting an external input device to input and/or edit the relation table of the calibration instruction and the radar probe identification code.
4. The vehicle-mounted radar calibration device according to claim 2, wherein the data storage unit is a USB flash disk or a data storage card, and the circuit board is correspondingly provided with a plug-in port for correspondingly plugging in the USB flash disk or the data storage card.
5. The vehicle radar calibration device according to claim 2, characterized in that the device further comprises:
and the display unit is arranged on the circuit board and connected with the data processing unit and is used for displaying the calibration result of the radar probe to be calibrated.
6. The vehicle radar calibration device according to claim 5, wherein the display unit is an indicator lamp that indicates the success of calibration and the failure of calibration in different colors, respectively.
7. The vehicle-mounted radar calibration device according to claim 1, wherein a plurality of radar probe docking ports are arranged and are in one-to-one correspondence with the calibration instruction units, the radar probe docking ports are respectively connected with different radar probes to be calibrated, and the data processing unit writes the identity mark into a power-down nonvolatile memory of the radar probe connected with the radar probe docking port corresponding to the calibration instruction unit which sends the calibration instruction.
8. The vehicle radar calibration device according to any one of claims 2 to 6, further comprising a housing, wherein the circuit board is assembled inside the housing, and the housing is provided with a plurality of through holes for exposing components to be exposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223260453.7U CN219122400U (en) | 2022-12-06 | 2022-12-06 | Vehicle radar calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223260453.7U CN219122400U (en) | 2022-12-06 | 2022-12-06 | Vehicle radar calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219122400U true CN219122400U (en) | 2023-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223260453.7U Active CN219122400U (en) | 2022-12-06 | 2022-12-06 | Vehicle radar calibration device |
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| Country | Link |
|---|---|
| CN (1) | CN219122400U (en) |
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2022
- 2022-12-06 CN CN202223260453.7U patent/CN219122400U/en active Active
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