CN104913804A - Product detection method and information analysis and excitation generation box - Google Patents
Product detection method and information analysis and excitation generation box Download PDFInfo
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- CN104913804A CN104913804A CN201510364780.2A CN201510364780A CN104913804A CN 104913804 A CN104913804 A CN 104913804A CN 201510364780 A CN201510364780 A CN 201510364780A CN 104913804 A CN104913804 A CN 104913804A
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- information analysis
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Abstract
The present invention provides a vehicle LCD combined instrument production detection method based on an information analysis and excitation generation box. A PC machine is connected to a vehicle LCD combined instrument to be detected through the information analysis and excitation generation box, the information outputted by the PC machine is analyzed by the information analysis and excitation generation box to form different excitation signals to drive a product to be detected. The invention also provides the information analysis and excitation generation box applied to the product detection method. The information analysis and excitation generation box comprises an information analysis and control module, a power conversion and control module and an excitation signal generating circuit which is connected to an A interface and a B interface. The information analysis and control module is connected to a DB9 connector, and the information analysis and control module is connected to another DB9 connector. According to the method, the information analysis and excitation generation box can be configured for different manufacturers and different types of vehicle LCD instruments with different input interfaces so as to be compatible with the test of different vehicle LCD combined instruments.
Description
Technical field
The present invention relates to a kind of product inspection method and information analysis and excitation and produce box, belong to automobile instrument and produce Product checking field.
Background technology
Along with the development of science and technology; nearly all product all achieves scale and automatically produces; in order to the product ensureing on streamline out can reach the requirement of respective quality standard, ensure the consistance of product quality, therefore product needed carries out strict detection before dispatching from the factory.Liquid crystal automobile combination instrument working environment is harsh, and from function aspects, not only to realize the function of traditional machinery instrument, and also have fault alarm, navigation feature, the function of other electronic product duties on display automobile, compared with traditional mechanical type instrument, function is more complicated, and displaying contents is abundanter, therefore has very high requirement for detection.
Generally speaking, traditional detection method is by special proving installation, produce different drive singal and be supplied to meters under test, very loaded down with trivial details beyond doubt by this method of testing, and the non-constant of the versatility of proving installation, the test of different machine is not realized by simple software merit rating, for the enterprise that machine is various, measurement jig kind is also corresponding more, causes the waste of very large financial resources, and multiple tool is safeguarded simultaneously also wastes larger manpower.This method of testing can be dealt with reluctantly in the production of be pilot and development, but when producing in enormous quantities, substantially can not accomplish.
Also has a kind of method of testing in addition, be exactly that liquid crystal automobile combination instrument is installed onboard, carry out real steering vectors, although so also can meet the demands, but also need time and the financial resources of at substantial, and the method also can not be selected to test at mass-production stage.This kind of method of testing is mainly used in the vehicle calibrating work in the stage of designing and developing, and it is at all unworkable to enter production phase the method.
Summary of the invention
In order to solve the deficiencies in the prior art, the invention provides a kind of product inspection method and information analysis and excitation and produce box, can detect functions such as the speed of a motor vehicle of liquid crystal instrument for automobile product, rotating speed, water temperature, oil mass, electricity, instantaneous energy consumption, mileage, pilot lamp, alarm, malfunction promptings, information analysis and excitation can be produced box and be configured for the liquid crystal instrument for automobile of different manufacturers, different model, different input interface, with the test of the different liquid crystal automobile combination instrument of compatibility.
The technical scheme that the present invention adopts for its technical matters of solution is: provide a kind of liquid crystal automobile combination instrument product inspection method producing box based on information analysis and excitation, comprise the following steps:
(1) accessory device connects initialization: described accessory device comprises that PC, USB turn UART transceiver, USB turns CAN transceiver and 220V turns 12/24V power module, PC is turned UART transceiver and USB by USB turn CAN transceiver and be connected to information analysis and produce box with excitation, 220V is turned 12/24V power module to be connected to information analysis and to produce box with excitation, detection accessory equipment and information analysis and excitation produce the patency of each communication port of box;
(2) PC produces the A interface of box to information analysis and excitation and B interface is configured;
(3) liquid crystal automobile to be measured combination instrument is connected to information analysis and produces box with excitation, information analysis produces box with excitation and produces pumping signal, and pumping signal is transferred to liquid crystal automobile combination instrument to detect by A interface and B interface;
(4) liquid crystal automobile combination instrument produces box by information analysis with excitation and testing result data is transferred to PC, for display and the process of data.
After the patency that step (1) detection accessory equipment and information analysis and excitation produce each communication port of box completes, PC shows successful connection, and next step operation is carried out in prompting.
Step (2) PC produces the A interface of box to information analysis and excitation and B interface is configured the excitation output characteristics comprising pin configure A interface and B interface, and described excitation output characteristics comprises that low and high level encourages, resistance encourages and pulse excitation.
Step (2) PC produces after the A interface of box and B interface be configured to information analysis and excitation, and PC display configuration successful, prompting is carried out next step and operated.
Invention also provides a kind of information analysis acting on the said goods detection method and produce box with excitation, comprise information analysis and control module, and the pumping signal be connected in information analysis and control module produces circuit, pumping signal produces circuit and is connected respectively with A interface and B interface, A interface is also connected with control module with power conversion, information analysis is connected with a DB9 connector by serial communication module with control module, and information analysis is connected with another DB9 connector by CAN with control module.
Described information analysis produces box with excitation and also comprises the relay indicating light be connected with control module with information analysis.
Described information analysis produces box with excitation and also comprises the gauge tap be connected with control module with information analysis.
The present invention is based on the beneficial effect that its technical scheme has to be:
(1) in method of the present invention, A interface and B interface are configured by PC, with the input interface of the liquid crystal automobile combination instrument of compatible different manufacturers, different automobile types, thus realize the bumpless transfer of information between PC information and liquid crystal automobile combination instrument to be measured, realize the function that liquid crystal automobile combination instrument is detected;
(2) in the inventive method, PC is that the detection of carrying out realizing utilizing information analysis and excitation to produce box provides hardware platform, can realize signal between Devices to test and PC and effectively transmits as long as install suitable software and identify; Thus by the test job of a large amount of complexity of embedded testing device, transfer on the PC that very easily realizes; PC can be used for configuring the power-supply system of liquid crystal combination instrument to be measured, producer and the information such as mter model, CAN communication speed, with the Function detection of the liquid crystal combination instrument of compatible different manufacturers, different model simultaneously;
(3) the testing result data that method of the present invention is last can utilize PC to carry out showing and processing, contrasted with the display that product to be measured and liquid crystal automobile to be measured combine on instrument by PC, can analyze and judge that whether the every Presentation Function of liquid crystal automobile combination instrument to be measured is normal;
(4) information that PC exports by method of the present invention forms different pumping signals by information analysis from the parsing of excitation box and drives product to be measured (liquid crystal automobile combination instrument), PC is for different depot, the different Vehicle Body Bus information of different automobile types and the definition of vehicle body interface, configuration generates the information with corresponding relation, and send to information analysis to produce box with excitation by CAN transceiver and serial ports passage them respectively, this box is according to activation bit, the excitation of high/low level is produced by information analysis, resistance encourages, pulse excitation, CAN signal equal excitation signal,
(5) information analysis of the present invention and excitation produce box and are provided with suitable interface for being connected PC and liquid crystal automobile to be measured combines instrument, be provided with the module for generation of pumping signal simultaneously, providing effective hardware platform for realizing product inspection method, can detect functions such as the speed of a motor vehicle of liquid crystal instrument for automobile product, rotating speed, water temperature, oil mass, electricity, instantaneous energy consumption, mileage, pilot lamp, alarm, malfunction promptings in conjunction with method of the present invention.The method can produce box be configured information analysis and excitation for the liquid crystal instrument for automobile of different manufacturers, different model, different input interface, with the test of the different liquid crystal automobile combination instrument of compatibility;
(6) the present invention produces the configurability that box A, B connector pin encourages due to the configurability of PC information and information analysis and excitation, the liquid crystal automobile combination instrument of different model can realize the testing of different product fast by different configurations, avoid the problem will developing a set of detection system for each product, unify the liquid crystal automobile combination instrument input interface of the corresponding different model of test interface of checkout equipment, greatly reduce exploitation and the maintenance cost of checkout equipment, improve the production testing efficiency of liquid crystal automobile combination instrument.
Accompanying drawing explanation
Fig. 1 is that information analysis produces the model calling schematic diagram of box with excitation.
Fig. 2 is the schematic flow sheet producing the liquid crystal automobile combination instrument product inspection method of box based on information analysis and excitation.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
The invention provides a kind of liquid crystal automobile combination instrument product inspection method producing box based on information analysis and excitation, with reference to Fig. 2, comprise the following steps:
(1) accessory device connects initialization: described accessory device comprises that PC, USB turn UART transceiver, USB turns CAN transceiver and 220V turns 12/24V power module, PC is turned UART transceiver and USB by USB turn CAN transceiver and be connected to two DB9 connectors that information analysis and excitation produce box, 220V is turned 12/24V power module be connected to information analysis with excitation produce box, detection accessory equipment and information analysis and excitation produce the patency of each communication port of box, after detection completes, PC shows successful connection, and next step operation is carried out in prompting;
(2) PC produces the A interface of box to information analysis and excitation and B interface is configured, and comprises the excitation output characteristics of the pin of configuration A interface and B interface, described excitation output characteristics comprises low and high level excitation, resistance encourages and pulse excitation; After having configured, PC display configuration successful, next step operation is carried out in prompting;
(3) liquid crystal automobile to be measured combination instrument is connected to information analysis and produces box with excitation, liquid crystal automobile combination instrument to be measured is by the A interface of 32Pin and B interface and information analysis and encourage that to produce box mutual; Information analysis produces box with excitation and produces pumping signal, and pumping signal is transferred to liquid crystal automobile combination instrument to detect by A interface and B interface;
(4) liquid crystal automobile combination instrument produces box by information analysis with excitation and testing result data is transferred to PC, for display and the process of data.
The CAN communication agreement used in this method is defined by depot, and UART communication protocol definition forms primarily of following content:
Control command, the main PC of description is transferred to information analysis and encourages the control command title producing box;
Command parameter, which parameter item is the main control command that describes have;
Parameter value, the main occurrence describing control command parameters;
The corresponding relation of control command, parameter, parameter value is as shown in table 1.
Invention also provides a kind of information analysis acting on the said goods detection method and produce box with excitation, with reference to Fig. 1, comprise information analysis and control module, and the pumping signal be connected in information analysis and control module produces circuit, pumping signal produces circuit and is connected respectively with A interface and B interface, A interface is also connected with control module with power conversion, information analysis is connected with a DB9 connector by serial communication module with control module, and information analysis is connected with another DB9 connector by CAN with control module.
Described information analysis produces box with excitation can also comprise the relay indicating light be connected with control module with information analysis.
Described information analysis produces box with excitation can also comprise the gauge tap be connected with control module with information analysis.
Described PC is configured with detection information, and described detection information comprises the power-supply system of liquid crystal combination instrument, company-information, mter model and CAN communication speed.
Claims (8)
1. produce a liquid crystal automobile combination instrument product inspection method for box based on information analysis and excitation, it is characterized in that comprising the following steps:
(1) accessory device connects initialization: described accessory device comprises that PC, USB turn UART transceiver, USB turns CAN transceiver and 220V turns 12/24V power module, PC is turned UART transceiver and USB by USB turn CAN transceiver and be connected to information analysis and produce box with excitation, 220V is turned 12/24V power module to be connected to information analysis and to produce box with excitation, detection accessory equipment and information analysis and excitation produce the patency of each communication port of box;
(2) PC produces the A interface of box to information analysis and excitation and B interface is configured;
(3) liquid crystal automobile to be measured combination instrument is connected to information analysis and produces box with excitation, information analysis produces box with excitation and produces pumping signal, and pumping signal is transferred to liquid crystal automobile combination instrument to detect by A interface and B interface;
(4) liquid crystal automobile combination instrument produces box by information analysis with excitation and testing result data is transferred to PC, for display and the process of data.
2. the liquid crystal automobile combination instrument product inspection method producing box based on information analysis and excitation according to claim 1, it is characterized in that: after the patency that step (1) detection accessory equipment and information analysis and excitation produce each communication port of box completes, PC shows successful connection, and next step operation is carried out in prompting.
3. the liquid crystal automobile combination instrument product inspection method producing box based on information analysis and excitation according to claim 1, it is characterized in that: step (2) PC produces the A interface of box to information analysis and excitation and B interface is configured the excitation output characteristics comprising pin configure A interface and B interface, described excitation output characteristics comprises that low and high level encourages, resistance encourages and pulse excitation.
4. the liquid crystal automobile combination instrument product inspection method producing box based on information analysis and excitation according to claim 1, it is characterized in that: step (2) PC produces after the A interface of box and B interface be configured to information analysis and excitation, PC display configuration successful, next step operation is carried out in prompting.
5. the information analysis acting on product inspection method described in claim 1 produces box with excitation, it is characterized in that: comprise information analysis and control module, and the pumping signal be connected in information analysis and control module produces circuit, pumping signal produces circuit and is connected respectively with A interface and B interface, A interface is also connected with control module with power conversion, information analysis is connected with a DB9 connector by serial communication module with control module, and information analysis is connected with another DB9 connector by CAN with control module.
6. information analysis according to claim 5 produces box with excitation, it is characterized in that: also comprise the relay indicating light be connected with control module with information analysis.
7. information analysis according to claim 5 produces box with excitation, it is characterized in that: also comprise the gauge tap be connected with control module with information analysis.
8. information analysis according to claim 5 produces box with excitation, it is characterized in that: described PC is configured with detection information, and described detection information comprises the power-supply system of liquid crystal combination instrument, company-information, mter model and CAN communication speed.
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| CN201510364780.2A CN104913804A (en) | 2015-06-26 | 2015-06-26 | Product detection method and information analysis and excitation generation box |
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| CN201510364780.2A CN104913804A (en) | 2015-06-26 | 2015-06-26 | Product detection method and information analysis and excitation generation box |
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| CN102538860A (en) * | 2012-02-06 | 2012-07-04 | 奇瑞汽车股份有限公司 | Method and device for testing automobile assembled meter |
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| CN103234572A (en) * | 2013-05-11 | 2013-08-07 | 安徽工程大学 | Check system for LabVIEW-based automobile instrument |
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2015
- 2015-06-26 CN CN201510364780.2A patent/CN104913804A/en active Pending
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| EP0833140A2 (en) * | 1996-09-30 | 1998-04-01 | Hewlett-Packard Company | Diagnostic system |
| CN201488749U (en) * | 2009-09-01 | 2010-05-26 | 芜湖华泰汽车仪表有限公司 | Novel meter detection equipment |
| CN201569692U (en) * | 2009-09-04 | 2010-09-01 | 上海英恒电子有限公司 | Automobile instrument comprehensive checking device |
| CN102538860A (en) * | 2012-02-06 | 2012-07-04 | 奇瑞汽车股份有限公司 | Method and device for testing automobile assembled meter |
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Application publication date: 20150916 |
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