CN201421399Y - Vehicle-mounted instrument multifunctional detection test bed - Google Patents
Vehicle-mounted instrument multifunctional detection test bed Download PDFInfo
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- CN201421399Y CN201421399Y CN200920172296XU CN200920172296U CN201421399Y CN 201421399 Y CN201421399 Y CN 201421399Y CN 200920172296X U CN200920172296X U CN 200920172296XU CN 200920172296 U CN200920172296 U CN 200920172296U CN 201421399 Y CN201421399 Y CN 201421399Y
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Abstract
The utility model discloses a vehicle-mounted instrument multifunctional detection test bed, which comprises a power supply which is connected with each circuit and an output interface which is connected with a measured combined instrument, and is characterized in that a detection circuit is arranged in the detection test bed, the input end of a microprocessor is connected with a frequency selector and a power supply module, the output end of the microprocessor is connected with a frequency output interface J3 and a voltage output interface J4 through an output control module and a frequency signal module, and the output control module is further connected with a standard resistance source. With the technical proposal, the vehicle-mounted instrument multifunctional detection test bed improves the performance price ratio, achieves the compound requirements to the compatibility and the function of products, does not enable signal output to choose various modes comprising switch, frequency, voltage and the like, and achieves various parameter selection functions. The vehicle-mounted instrument multifunctional detection test bed improves the detection efficiency in the instrument production process, lowers use cost, reduces equipment investment cost, and is convenient for multi-variety same production line detection or the quick handover among different groups.
Description
Technical field
The utility model relates to the dedicated test testing equipment, relates in particular to a kind of vehicle instrument multifunction detection-test bed.
Background technology
Modern auto meter moves towards electronization and digitizing comprehensively, and along with vehicle becomes the requisite vehicles in the general common people family fast, the turnout of auto meter and use amount are very huge, quality requirements is also very high, life test after product detection, aging operation and the production in process of production becomes requisite program, particularly detection in the production run and aging operation are absolutely to carry out, thereby workload is very huge.In order to improve the work efficiency in the production run and the reliability of working equipment, reduce unnecessary work mistake and erroneous judgement, researched and developed some dedicated test and testing equipment.Be combined into single function specialized equipment as increased some standard signal sources and resistance source on streamline, as in order to adapt to the requirement of like product different parameters, signal source and resistance source are able to programme, and alarm lamp, illuminating lamp and hummer will be controlled respectively with the strong switch of qin.Time-consuming, the poor reliability of such operation of equipment, and programmable equipment is used for, and cost just seems high especially on the streamline.Because equipment will carry out the programmed settings parameter before work, this trouble and unreliable that can seem when several kind conllinear are produced or when between different teams and groups, relieving, and equipment user is required that equipment is had higher cognition degree and debugging level, and equipment itself is owing to be programmable, all will carry out parameter setting before each the use, this just might influence the preparatory of instrument because of the precision that is provided with of error and equipment itself.Frequent parameter setting and adjustment can increase production cost again, reduce production efficiency.
In recent years, the fast development of whole-control system and electronic technology, Hyundai Motor is also increasing to the demand of electronic type or digital instrumentation.New electron controls technology and detection technique develop into that enterprise enhances product performance, quality and the key of winning the market.Vehicle instrument multifunction detection-test bed one side is the production efficiency that is used for improving auto meter, guarantees the quality and the stability of instrument product; Be production and the use cost that is used for saving enterprise on the other hand, improve the measuring accuracy of product, increase the additional function of product, realize the compound of multiple function.
In recent years, a kind of monitor station and testing table that utilizes industrial computer control and show appearred on the international market, the resistance signal source of its outfit, frequency signal source adopt programmable way, but be mostly the working method of one-to-one, promptly can only one-time detection or test an instrument, can not detect or test many moneys instrument simultaneously; And the product that part can detect or test many moneys instrument simultaneously can not carry out the parameter selection, is a kind of product of preset parameter.The device fabrication cost and the use cost of these two kinds of methods are higher, and safeguarding and using also needs the operator that higher level is arranged, and equipment also has certain environmental requirement to environment for use.
The utility model content
Technical problem to be solved in the utility model provide a kind of general, standard, multi-functional, output is accurately vehicle instrument multifunction detection-test bed, its objective is the detection test efficiency that improves instrument production run and finished product, reduce use cost, reduce the equipment cost input, be convenient to many kinds conllinear and produce or fast turnaround (FTA) between different teams and groups.
For solving the problems of the technologies described above, the technical solution of the utility model is, a kind of vehicle instrument multifunction detection-test bed, comprise the power supply that is connected with each circuit, the output interface that is connected with tested combination instrument, it is characterized in that: be provided with testing circuit in the described detection testing table, described testing circuit, comprise power module, the frequency signal module, the measuring resistance source, output control module, microprocessor, frequency selector is formed, the input end of microprocessor and frequency selector, power module is connected, and output end of microprocessor is passed through output control module, the frequency signal module is connected with voltage output interface J4 with Frequency Output Interface Circuit J3; Described output control module also is connected with the measuring resistance source.
A kind of vehicle instrument multifunction detection-test bed, described output control module is made up of reverse drive chip U3, U4, reverse drive chip U3, U4 input end are connected with microprocessor, and reverse drive chip U3, U4 output terminal are connected with the output control interface by relay DY, resistance.
A kind of vehicle instrument multifunction detection-test bed, described frequency selector is connected with microprocessor by interface J14, microprocessor is connected with update routine interface operable JT with read-write, and drives display module, display operation process and operating parameter by the LCD display interface.
A kind of vehicle instrument multifunction detection-test bed, it is characterized in that: described output interface is for connecting 40 needle connectors of three cover combination instrument wire harness.
A kind of vehicle instrument multifunction detection-test bed, described microprocessor is a single-chip microcomputer, and model is ATMEGA16L.
The utility model adopts technique scheme, improved vehicle instrument multifunction detection-test bed cost performance, realized compositeness requirement, but do not made multiple modes such as signal output selector switch, frequency, voltage, and realized multiple parameter selection function the compatibility and the function of product.This product structure is simple, reduces cost of products when having improved product reliability.And this product improved instrument production run detection efficiency, reduce use cost, reduce the equipment cost input, be convenient to that many kinds conllinear detects or fast turnaround (FTA) between different teams and groups, reduced the time cost of equipment adjustment and maintenance, the final production cost that uses enterprise that reduces improves economic benefit of enterprises.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail;
Fig. 1 is a kind of vehicle instrument multifunction detection-test bed body structure synoptic diagram of the utility model;
Fig. 2 is the vehicle instrument multifunction detection-test bed testing circuit structured flowchart of the utility model;
Fig. 3 is a testing circuit principle schematic shown in Figure 2;
In Fig. 1 ~ Fig. 3,1, power module; 2, microprocessor; 3, output control module; 4, measuring resistance source; 5, frequency signal module; 6, frequency selector; 7, output interface; 8, detect the testing table casing; 9, power switch; 10, power lead 11, fuse.
Embodiment
As Fig. 1～shown in Figure 3, a kind of vehicle instrument multifunction detection-test bed, comprise the power supply that is connected with each circuit, the output interface 7 that is connected with tested combination instrument, described output interface 7 is for connecting 40 needle connectors of three cover combination instrument wire harness.Detect in the testing table and be provided with testing circuit, described testing circuit, comprise power module 1, frequency signal module 5, measuring resistance source 4, output control module 3, microprocessor 2, frequency selector 6 compositions, the input end of microprocessor 2 is connected with frequency selector 6, power module 1, and microprocessor 2 output terminals are connected with voltage output interface J4 with Frequency Output Interface Circuit J3 by output control module 3, frequency signal module 5; Described output control module 3 also is connected with measuring resistance source 4.Microprocessor 2 is a single-chip microcomputer, and model is ATMEGA16L.Detecting testing table is connected with the instrumentation tap circuit of detected test by wire harness.
Described output control module 3 is made up of reverse drive chip U3, U4, and reverse drive chip U3, U4 input end are connected with microprocessor 2, and reverse drive chip U3, U4 output terminal are connected with the output control interface by relay DY, resistance.Frequency selector 6 is connected with microprocessor 2 by interface J14, and microprocessor 2 is connected with update routine interface operable JT with read-write, and drives display module, display operation process and operating parameter by the LCD display interface.Microprocessor 2 is according to the selection of frequency selector 6, and frequency selector 6 is 8421 code switchs, and the frequency that presets in the program is selected, and 2N5551 exports frequency signal by transistor.Realize different frequency signals output control, and by Frequency Output Interface Circuit J3 output frequency signal.Observe the running status of speedometer, tachometer gage.The model of chip for driving U3, U4 is ULN2003APG.
Detect on testing table casing 8 panels total power switch 9 and frequency selector 6 are housed, a power lead 10, main fuse 11 are housed on the backboard of casing 8.
As Fig. 1～shown in Figure 3, a kind of vehicle instrument multifunction detection-test bed detection method according to claim 1, this method comprises the following steps;
1) power module 1 provides 5V power supply to microprocessor 2, the standard frequency that provides according to outside 8MHz crystal oscillator, microprocessor 2 is according to setting frequency output control signal and the frequency signal that order and frequency selector 6 are set, and described output control signal is a frequency signal; Perhaps output signal is the measuring resistance signal; Perhaps exporting control signal is switching signal; The perhaps way of output of the combination in any of frequency signal, resistance signal and switching signal;
2) described microprocessor 2 is by drive control module 3 pilot relay DY work, the connecting and disconnecting of the circuit in control criterion resistance source 4, by resistance output control interface, external measuring resistance signal or switching signal are provided, resistance output is switched between a high position, interposition or low level, observe the operation conditions of the combination instrument that is connected with the detection testing table respectively or alarm lamp, illuminating lamp, hummer in the combination instrument are switched according to setting order between Push And Release; And setting-up time carries out aging test to combination instrument;
3) 6 pairs of frequency signals of frequency selector are selected, and by code switch the frequency that presets in the program are selected; Processing signals is handled and sent to 2 pairs of data of microprocessor, by frequency signal module 5 medium frequency output interface J3 output frequency signals, observe the combination instrument operation conditions that is connected with the detection testing table respectively, and setting-up time carries out aging test to combination instrument.
In conjunction with the accompanying drawings the utility model has been carried out exemplary description above; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or design of the present utility model and technical scheme are directly applied to other occasion without improving, all within protection domain of the present utility model.
Claims (5)
1, a kind of vehicle instrument multifunction detection-test bed, comprise the power supply that is connected with each circuit, the output interface (7) that is connected with tested combination instrument, it is characterized in that: be provided with testing circuit in the described detection testing table, described testing circuit, comprise power module (1), frequency signal module (5), measuring resistance source (4), output control module (3), microprocessor (2), frequency selector (6) is formed, the input end of microprocessor (2) and frequency selector (6), power module (1) is connected, and microprocessor (2) output terminal is by output control module (3), frequency signal module (5) is connected with voltage output interface J4 with Frequency Output Interface Circuit J3; Described output control module (3) also is connected with measuring resistance source (4).
2, according to claim 1 a kind of vehicle instrument multifunction detection-test bed, it is characterized in that: described output control module (3) is made up of reverse drive chip U3, U4, reverse drive chip U3, U4 input end are connected with microprocessor (2), and reverse drive chip U3, U4 output terminal are connected with the output control interface by relay DY, resistance.
3, according to claim 1 a kind of vehicle instrument multifunction detection-test bed, it is characterized in that: described frequency selector (6) is connected with microprocessor (2) by interface J14, microprocessor (2) is connected with update routine interface operable JT with read-write, and by LCD display interface driving display module, display operation process and operating parameter.
4, according to claim 1 a kind of vehicle instrument multifunction detection-test bed, it is characterized in that: described output interface (7) is for connecting 40 needle connectors of three cover combination instrument wire harness.
5, according to claim 1 or 2 or 3 described a kind of vehicle instrument multifunction detection-test bed, it is characterized in that: described microprocessor (2) is a single-chip microcomputer, and model is ATMEGA16L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920172296XU CN201421399Y (en) | 2009-05-27 | 2009-05-27 | Vehicle-mounted instrument multifunctional detection test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920172296XU CN201421399Y (en) | 2009-05-27 | 2009-05-27 | Vehicle-mounted instrument multifunctional detection test bed |
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| Publication Number | Publication Date |
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| CN201421399Y true CN201421399Y (en) | 2010-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200920172296XU Expired - Fee Related CN201421399Y (en) | 2009-05-27 | 2009-05-27 | Vehicle-mounted instrument multifunctional detection test bed |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101561297B (en) * | 2009-05-27 | 2012-01-04 | 陈建海 | Vehicle instrument multifunction detection-test bed and detection method |
| CN105021972A (en) * | 2014-04-18 | 2015-11-04 | 创意电子股份有限公司 | Aging detection circuit and method thereof |
-
2009
- 2009-05-27 CN CN200920172296XU patent/CN201421399Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101561297B (en) * | 2009-05-27 | 2012-01-04 | 陈建海 | Vehicle instrument multifunction detection-test bed and detection method |
| CN105021972A (en) * | 2014-04-18 | 2015-11-04 | 创意电子股份有限公司 | Aging detection circuit and method thereof |
| CN105021972B (en) * | 2014-04-18 | 2017-12-19 | 创意电子股份有限公司 | aging detection circuit and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wuhu Tianyu Technology Development Co., Ltd. Assignor: Chen Jianhai Contract record no.: 2011340000397 Denomination of utility model: Vehicle instrument multifunction detection-test bed and detection method Granted publication date: 20100310 License type: Exclusive License Record date: 20110906 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100310 Termination date: 20120527 |