CN114323106A - Automatic automobile instrument pointer vision calibration system capable of sliding left and right - Google Patents
Automatic automobile instrument pointer vision calibration system capable of sliding left and right Download PDFInfo
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- CN114323106A CN114323106A CN202111602544.1A CN202111602544A CN114323106A CN 114323106 A CN114323106 A CN 114323106A CN 202111602544 A CN202111602544 A CN 202111602544A CN 114323106 A CN114323106 A CN 114323106A
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Abstract
The invention discloses a left-right sliding automatic automobile instrument pointer vision calibration system, belongs to the technical field of automobile instruments, and aims to solve the problems of low calibration efficiency and poor calibration effect of the existing automobile instrument panel. It includes: placing the instrument to be calibrated on the instrument clamp, and moving the darkroom module to one side of the instrument clamp on which the instrument to be calibrated is placed; the positioning module collects the position of the darkroom module in real time and sends the position to the upper computer, and the upper computer judges whether the darkroom module reaches the side of the instrument clamp; when the calibration result arrives, the upper computer sends a starting instruction to the electronic control module through the signal module, and the electronic control module controls the image acquisition module to acquire an instrument pointer image of the instrument to be calibrated and sends the instrument pointer image to the upper computer; and the upper computer calls the meter pointer template image stored in the database, compares the meter pointer image with the meter pointer template image, and performs compensation calibration on all compensation points of the meter pointer to be calibrated through a diagnostic protocol. The invention is used for calibrating the automobile instrument.
Description
Technical Field
The invention relates to a left-right sliding automatic automobile instrument pointer vision calibration system, and belongs to the technical field of automobile instruments.
Background
The automobile instrument panel is a device for reflecting the working conditions of each system of the automobile, and generally comprises a fuel indicator lamp, a cleaning liquid indicator lamp, an electronic throttle indicator lamp, front and rear fog lamp indicator lamps and an alarm lamp. The pointer that present freight train's instrument used indicates the dial plate for the protruding dial plate of 3D, all can produce little deformation in a great deal of factors of production, transportation and installation process, and this indicating position that can lead to the pointer is not accurate enough, and this just needs compensate the calibration to the pointer for the indicating position of panel board pointer is accurate.
At present, the compensation calibration of the pointer generally comprises two types, one type is that a pointer adjusting tool is used for providing signals, the pointer of each dial plate is manually adjusted according to the sequence of keys on the tool manually, and the compensation calibration is carried out according to the indication of the pointer at an adjusting point; and the second method is to adopt a universal test board to send out a control signal and adjust the pointer of each dial plate at the position of an adjusting point in sequence through software to perform compensation calibration. Above-mentioned two kinds of modes all need observe through the manual work, and not only efficiency is slow, need operate simultaneously more than two people moreover and just can guarantee production to, different operating personnel can all influence the adjustment result of pointer because height and observation angle are different, can lead to the pointer of individual dial plate to instruct high or low partially.
Disclosure of Invention
The invention aims to solve the problems of low calibration efficiency and poor calibration effect of the conventional automobile instrument panel and provides a left-right sliding automatic automobile instrument pointer vision calibration system.
The invention relates to a left-right sliding automatic automobile instrument pointer vision calibration system, which comprises:
the device comprises a box body, an instrument clamp, a darkroom module, an image acquisition module, a support, a positioning module, a signal module, an electric control module and an upper computer;
the two sides of the box body are respectively provided with an instrument clamp, the darkroom module can move along the bottom of the box body from between the two instrument clamps, an image acquisition module and a bracket for erecting the image acquisition module are arranged in the darkroom module, and a positioning module for acquiring the position of the darkroom module is also arranged in the darkroom module;
the instrument to be calibrated is placed on the instrument clamp, the upper computer sends a control signal to the electric control module to control the instrument clamp to clamp the instrument to be calibrated, and the darkroom module starts to move to one side of the instrument clamp where the instrument to be calibrated is placed;
the positioning module acquires the position of the darkroom module in real time and sends the real-time position information of the darkroom module to the upper computer through the signal module, and the upper computer judges whether the darkroom module reaches the side of the instrument clamp or not according to the real-time position of the positioning module;
when the darkroom module reaches the side of the instrument clamp, the upper computer sends a starting instruction to the electronic control module through the signal module, the electronic control module controls the image acquisition module to acquire an instrument pointer image of the instrument to be calibrated, and the image acquisition module sends the instrument pointer image to the upper computer;
and the upper computer calls the meter pointer template image stored in the database, compares the meter pointer image with the meter pointer template image, and performs compensation calibration on all compensation points of the meter pointer to be calibrated through a diagnostic protocol.
Preferably, the upper computer sends a starting instruction to the electric control module through the signal module, and the starting instruction is a level signal.
Preferably, when the current instrument to be calibrated is subjected to compensation calibration, the instrument clamp on the other side is used for dismounting and mounting another instrument to be calibrated.
Preferably, the number of the meter clamps is more than or equal to 3, and the alternating compensation calibration can be carried out on a plurality of meters to be calibrated.
Preferably, the image acquisition module has an image acquisition direction perpendicular to the plane of the meter to be calibrated.
The invention has the advantages that: according to the automatic vision calibration system for the automobile instrument pointer sliding left and right, the plurality of instrument clamps are arranged on the box body, the darkroom module can move among the instrument clamps, when one instrument to be calibrated is verified, the other instrument clamps are detached and installed, and therefore the compensation calibration efficiency is improved.
Adopt the host computer to control different electronic control modules respectively and send control signal, treat the calibration instrument and check, can check a plurality of calibration instruments of treating simultaneously, further improved work efficiency.
The image acquisition direction of the image acquisition module is perpendicular to the plane of the instrument to be calibrated, so that errors caused by different angles are avoided, and the pointer calibration is more accurate.
Drawings
FIG. 1 is a schematic block diagram of a side-to-side sliding automatic automotive instrument pointer vision calibration system according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
The first embodiment is as follows: the present embodiment will be described with reference to fig. 1, wherein the present embodiment provides a left-right sliding automatic automobile instrument pointer vision calibration system, which comprises:
the device comprises a box body, an instrument clamp, a darkroom module, an image acquisition module, a support, a positioning module, a signal module, an electric control module and an upper computer;
the two sides of the box body are respectively provided with an instrument clamp, the darkroom module can move along the bottom of the box body from between the two instrument clamps, an image acquisition module and a bracket for erecting the image acquisition module are arranged in the darkroom module, and a positioning module for acquiring the position of the darkroom module is also arranged in the darkroom module;
the instrument to be calibrated is placed on the instrument clamp, the upper computer sends a control signal to the electric control module to control the instrument clamp to clamp the instrument to be calibrated, and the darkroom module starts to move to one side of the instrument clamp where the instrument to be calibrated is placed;
the positioning module acquires the position of the darkroom module in real time and sends the real-time position information of the darkroom module to the upper computer through the signal module, and the upper computer judges whether the darkroom module reaches the side of the instrument clamp or not according to the real-time position of the positioning module;
when the darkroom module reaches the side of the instrument clamp, the upper computer sends a starting instruction to the electronic control module through the signal module, the electronic control module controls the image acquisition module to acquire an instrument pointer image of the instrument to be calibrated, and the image acquisition module sends the instrument pointer image to the upper computer;
and the upper computer calls the meter pointer template image stored in the database, compares the meter pointer image with the meter pointer template image, and performs compensation calibration on all compensation points of the meter pointer to be calibrated through a diagnostic protocol.
Further, the upper computer sends a starting instruction to the electric control module through the signal module, and the starting instruction is a level signal.
And further, when the current instrument to be calibrated is compensated and calibrated, the instrument clamp on the other side is used for disassembling and assembling the other instrument to be calibrated.
Still further, the number of the instrument clamps is more than or equal to 3, and the instrument clamps can be used for alternately compensating and calibrating a plurality of instruments to be calibrated.
Still further, the image acquisition direction of the image acquisition module is perpendicular to the plane of the instrument to be calibrated.
In the embodiment, the image acquisition direction of the image acquisition module is perpendicular to the plane of the instrument to be calibrated, so that errors caused by different angles are avoided, and the pointer calibration is more accurate.
In this embodiment, adopt a plurality of instrument anchor clamps to set up on the box, the darkroom module can remove between a plurality of instrument anchor clamps, when treating calibration instrument to one of them and check, carries out other dismantlements and the installation of treating calibration instrument on other instrument anchor clamps. The upper computer is adopted to respectively control different electric control modules to send control signals, the to-be-calibrated instrument is verified, and a plurality of to-be-calibrated instruments can be simultaneously verified.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.
Claims (5)
1. A sliding left and right vision calibration system for automotive instrument pointers, comprising:
the device comprises a box body, an instrument clamp, a darkroom module, an image acquisition module, a support, a positioning module, a signal module, an electric control module and an upper computer;
the two sides of the box body are respectively provided with an instrument clamp, the darkroom module can move along the bottom of the box body from between the two instrument clamps, an image acquisition module and a bracket for erecting the image acquisition module are arranged in the darkroom module, and a positioning module for acquiring the position of the darkroom module is also arranged in the darkroom module;
the instrument to be calibrated is placed on the instrument clamp, the upper computer sends a control signal to the electric control module to control the instrument clamp to clamp the instrument to be calibrated, and the darkroom module starts to move to one side of the instrument clamp where the instrument to be calibrated is placed;
the positioning module acquires the position of the darkroom module in real time and sends the real-time position information of the darkroom module to the upper computer through the signal module, and the upper computer judges whether the darkroom module reaches the side of the instrument clamp or not according to the real-time position of the positioning module;
when the darkroom module reaches the side of the instrument clamp, the upper computer sends a starting instruction to the electronic control module through the signal module, the electronic control module controls the image acquisition module to acquire an instrument pointer image of the instrument to be calibrated, and the image acquisition module sends the instrument pointer image to the upper computer;
and the upper computer calls the meter pointer template image stored in the database, compares the meter pointer image with the meter pointer template image, and performs compensation calibration on all compensation points of the meter pointer to be calibrated through a diagnostic protocol.
2. The system of claim 1, wherein the host computer sends a start command to the electronic control module via the signal module as a level signal.
3. The system of claim 1, wherein when the current meter to be calibrated is compensated, another meter to be calibrated is removed and installed from the other meter fixture.
4. The system of claim 1, wherein the number of gauge clamps is 3 or more, and the system is capable of performing alternate offset calibration on a plurality of gauges to be calibrated.
5. The system of claim 1, wherein the image capture module is configured to capture an image of the meter in a direction perpendicular to a plane of the meter to be calibrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111602544.1A CN114323106A (en) | 2021-12-24 | 2021-12-24 | Automatic automobile instrument pointer vision calibration system capable of sliding left and right |
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| CN202111602544.1A CN114323106A (en) | 2021-12-24 | 2021-12-24 | Automatic automobile instrument pointer vision calibration system capable of sliding left and right |
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| CN112257676A (en) * | 2020-11-19 | 2021-01-22 | 南京天创电子技术有限公司 | Pointer instrument reading method and system and inspection robot |
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2021
- 2021-12-24 CN CN202111602544.1A patent/CN114323106A/en active Pending
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|---|---|---|---|---|
| CN200975898Y (en) * | 2006-10-30 | 2007-11-14 | 比亚迪股份有限公司 | Vehicle instrument board testing equipment |
| CN101672663A (en) * | 2009-09-18 | 2010-03-17 | 中国汽车技术研究中心 | Auto meter visual detecting system based on computer and detecting method thereof |
| CN103913191A (en) * | 2014-03-24 | 2014-07-09 | 合肥安达数控技术有限责任公司 | Automobile combination instrument performance detection device |
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Inventor after: Gao Wei Inventor after: Cui Limin Inventor after: Yang Mang Inventor after: Feng Yongming Inventor after: Yang Qian Inventor before: Gao Wei Inventor before: Yang Qian Inventor before: Yang Mang Inventor before: Feng Yongming |
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