CN203502042U - Multifunctional self-test instrument for automobile - Google Patents
Multifunctional self-test instrument for automobile Download PDFInfo
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- CN203502042U CN203502042U CN201220700790.0U CN201220700790U CN203502042U CN 203502042 U CN203502042 U CN 203502042U CN 201220700790 U CN201220700790 U CN 201220700790U CN 203502042 U CN203502042 U CN 203502042U
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Abstract
A multifunctional self-test instrument for an automobile comprises a power supply, a voltage stabilizing circuit, detection units arranged in components in the automobile, an amplification circuit unit, a transmission circuit, a conversion unit and a single-chip microcomputer. The multifunctional self-test instrument is characterized in that the power supply employs the prior storage battery of the automobile, the voltage stabilizing circuit employs a dual-filter regulator circuit; the detection units include a temperature detection unit, a voltage detection unit, an oil level and liquid level detection unit, a door switch detection unit and a light detection unit, the amplification circuit unit is a gain amplification circuit, the single-chip microcomputer is a common single-chip microcomputer, the voltage stabilizing circuit obtains 12 V/24 V stabilized voltage to supply to the detection units, the amplification circuit unit, the conversion unit and the single-chip microcomputer, the detection units are connected with the amplification circuit, the AD conversion unit and the single-chip microcomputer in sequence, and the outlet of the single-chip microcomputer is connected with a display, an input keyboard and voice output.
Description
Technical field
The utility model relates to a kind of vehicle measuring apparatus device, particularly uses modern detecting, electronic technology, Computer Applied Technology, the instrument to automobile diagnosis and detection.
Background technology
Past, people detect the mode that mostly adopts desk checking, simple instrument and meter to measure to automobile, when circuit is out of order, be difficult to find by simple detection means, in recent years, automobile industry has become a bright spot of growth of the national economic, the present canot compare with the past for the robotization performance of automobile, also stricter to the requirement of automotive performance detection technique, these detection meanss such as traditional self-diagnosable system and special-purpose failure diagnostic apparatus exist to some extent complicated operation, poor stability, detection efficiency low, detect the shortcomings such as error is large.The universal utilization on automobile of electronic technology and computer technology, automaker and automobile after-sales maintenance service have been proposed to requirements at the higher level, impel and in the fault diagnosis of automobile, adopt more quick, easy and Artificial Intelligence Instrument, the technical data or the curve that require detecting instrument Real-time Collection and reflection condition of the vehicle, carry out the diagnosis of vehicle failure with this.In recent years, lot of domestic and international company and colleges and universities apply to virtual instrument technique in production and scientific research, have obtained certain economic and social benefit.But current vehicle measuring apparatus device also exists complex structure, and the project of detection is few, can not meet Hyundai Motor to the requirement detecting.
In recent years, the open source literature report that has some to close automotive test equipment, we retrieve following related content:
1, Chinese patent, application number: 98238388.6, the applying date: 1998.07.28, title: Multifunctional circuit tester for automobile, open (bulletin) number: CN2344780 application (patent right) people: Yu Yongyang, address: Zha Shang village, good fortune township, Yuhong District, Shenyang City, Liaoning Province invention (design) people: Yu Yongyang, summary: a kind of Multifunctional circuit tester for automobile, circuit in its housing is configured to: DC current change-over circuit, alterating and direct current voltage conversion circuit, the input end of resistance measuring circuit is connected with the positive pole of way circuit, their output terminal is connected with the input end of gauge head circuit, another road output of DC current change-over circuit, the rectification output of AC voltage conversion circuit connects way circuit negative pole.Engine speed reads with the input end of high voltage induction test circuit, simulation lambda sensor test circuit, Simulated Water temperature sensor test circuit, spark plug sparking testing circuit and temperature measuring circuit and is connected with the positive pole of way circuit respectively with atomizer signal test circuit, diagnostic trouble code.Their output terminal is connected with the negative pole of way circuit respectively.
2, Chinese patent; application number: 87204602; title: automobile load self-measuring instrument, open (bulletin) number: CN87204602 application (patent right) people: Changsha auto industry company technique Advisory Services address: No. 186, Labor Road, Changsha, Hunan invention (design) people: Deng Zili; Liu little Min, summary: automobile load self-measuring instrument is to adopt the electrical induction device and a set of accumulative total-display system that equate with pendulum spring assembly number to form.After carrying, the pendulum spring of automobile is compressed, and its compress variation is converted to electric signal by each electrical induction device, and each electric signal is scaled quality of loads by accumulative total-output system and load distributes, and each the data obtained is directly shown in the instrument in pilothouse.This instrument technique is simple, and reduced investment, cost are low, have higher economic benefit and social benefit.
3, Chinese patent; application number: 201020256853.9 applyings date: 2010.07.13 title: switchgear that can fault self-checking, open (bulletin) number: CN201820667U applies for (patent right) people: Zhejiang Geely Automobile Research Institute Co., Ltd; Zhejiang Jili Holding Group Co., Ltd address: Linhai City city east, City of Taizhou lock hair bright (design) people: Ou Jianping; Road shadow; Chen Wenqiang; By firm; Li Shufu; Yang Jian; Zhao Fuquan, a kind of switchgear that can fault self-checking of making a summary, comprise switch body, controller, described switch body has at least two group resistor group, resistance series connection in described resistor group, the first end of described resistor group connects a pin of described linked switch, another pin of described linked switch connects a tie point of the resistance that is in series in described resistor group, the second end of described resistor group is respectively by divider resistance and power connection, the second end of described resistor group also in turn with AD converter, PLC, warning device connects, and PLC is connected with motor controller.The utility model tape jam is tested oneself and output function, has solved existing switch fault and can not test oneself and export and switch has after fault the normally problem of start and stop of motor.
4, Chinese patent, application number: 91211988.8 applyings date: 1991.07.09 title: automobile, open (bulletin) number: the CN2108662 application of tractor braking self-measuring instrument (patent right) people: Li Mingyuan, address: No. 24 invention (design) people: the Li Mingyuan in Lixia District, Jinan City, Shandong Province and level road Village, summary: a kind of automobile that is often surely contained in, on tractor, the logical instrument of the actual braking effect of self drive test, it is at existing former car power supply, in foot brake mechanism and each wheel brake, increase a set of wheel group assembly, brake switch and circuit, on pilot dash board, install the aobvious instrument of a set of numeral meter, connect instrument power switch, under conventional brake, by former car power supply by the adhesive of wheel group, with wheel rim flange ring frictional rotation wheel group, its mechanism contacts is connected, via line is connected instrument and is counted respectively in digital form aobvious each wheel of distinguishing, simultaneously before braking effectively, after time, distance parameter, " the brake efficiency table of comparisons " judgement that operator works out according to this self-measuring instrument is travelled or is to be repaired.
5, Chinese patent, application number: 98244874.0 titles: auto meter, open (bulletin) number: CN2339439, application (patent right) people: Automobile Electronic Co., Dalian Polytechnical Univ., address: No. 2, Linggong Road, Ganjinzi District, Dalian City, Liaoning Province, invention (design) people: Niu Zhiming, Yin Xiangjie, summary: auto meter is owing to adopting hyundai electronics sensing technology, by the engine oil pressure of motor car engine, cooling water temperature, oil tank liquid level and storage battery electric weight are converted into voltage signal output, on request after amplifying processing, deliver to by 4 magnetic sheets and one group of gauge outfit made from moving-magnetic type drive principle that coil forms, make the deflection angle of pointer and measured linear, maximum deflection angle can reach 90 °, measuring accuracy is high, interchangeability and real-time are good, pointer indication steadily, do not shake, due to dial plate printing opacity, pointer leaded light, night, indication was clear, attractive in appearance, it is a kind of Modern Vehicle instrument being popular in users.
The weak point that the automotive test equipment device of above-mentioned open source literature report exists is: the automaticity 1, detecting is not high; What 2, have can only detect individual event content; 3, can only, for a kind of model automobile, can not be applicable to polytype automobile.Therefore should use seldom; 4, complex structure, is not easy operation.
Summary of the invention
The purpose of this utility model is to provide a kind of automobile multifunctional self-measuring instrument that can overcome the deficiencies in the prior art part, this instrument uses modern detecting, electronic technology, Computer Applied Technology, and automobile is carried out to diagnosis and detection, and test item is many, simple in structure, processing ease.
The technical solution of the utility model is achieved in that
A kind of automobile multifunctional self-measuring instrument, comprise power supply, mu balanced circuit, be arranged on detecting unit, amplifier circuit unit, transmission line, converting unit and the single-chip microcomputer of each parts in car, it is characterized in that: the storage battery of the former configuration of automobile for described power acquisition, described mu balanced circuit adopts two filter regulator circuits; Described detecting unit comprises temperature detecting unit, voltage detection unit, oil level and liquid level detecting unit, door switch detecting unit and light detecting unit, and described amplifier circuit unit adopts gain amplifying circuit; Mu balanced circuit obtains the burning voltage of 12V/24V to detecting unit, amplifier circuit unit, converting unit and single-chip microcomputer power supply, and detecting unit connects amplifying circuit, then connects AD converting unit, then accesses single-chip microcomputer.
Described detecting unit is comprised of multiple sensor and transmission line, and wherein temperature detecting unit comprises that vehicle interior temperature, the outer temperature of car, Engine Surface temperature, oil temperature and a plurality of temperature sensors of coolant water temperature and transmission line form; Voltage detection unit comprises that a plurality of sensors of engine voltage, battery tension, car light voltage and transmission line form; Oil level and liquid level detecting unit consist of fuel level sensor, wiper high water tank sensor, brake fluid level sensor and transmission line; Door switch detecting unit consists of door contact interrupter sensor, seat belt switch sensor, boot switch sensor and switch and transmission line; Light detecting unit consists of sensor and the transmission circuit of dipped headlights, high beam, fog lamp, backup lamp, brake lamp, steering indicating light, night-run lamp.
The single-chip microcomputer of described automobile multifunctional self-measuring instrument also can adopt MCU, and each road sensor directly accesses MCU by transmission line, and MCU outlet connects display, input keyboard and voice output hardware.
Described MCU is * Intel:80C31,80C51 or the domestic macrocrystalline STC of * ATMEL:89C51 single-chip microcomputer
Described automobile multifunctional self-measuring instrument also comprises display, input keyboard and voice output hardware, and these hardware are picked out by single-chip microcomputer, and display and input keyboard adopt touch-screen, are arranged in car.
The single-chip microcomputer of described automobile multifunctional self-measuring instrument also can adopt MCU, and amplifier circuit unit and converting unit are cured in MCU, and each road sensor directly accesses MCU by transmission line, and MCU outlet connects the hardware such as display, input keyboard and voice output.
Described MCU is * Intel:80C31,80C51 or the domestic macrocrystalline STC of * ATMEL:89C51 single-chip microcomputer.
Principle of work of the present utility model is:
The parameter at each position of automobile of detecting unit, by temperature sensor, voltage sensor, fuel level sensor, liquid level sensor, door switch sensor and Light indicator, signal transmission is compared to analytic operation by single-chip microcomputer again and processes through amplification, conversion, obtain numerical value indicates in display, just can know the duty of each parts of automobile or no normal, judge to auto repair technician, need to revise parameter and can be undertaken by keyboard input.
Advantage of the present utility model:
1, this automobile multifunctional self-measuring instrument is the intellectuality specialty instrument that detects automobile electric control system, it not only can be to the conventional electrical system of automobile, as alternator, starter, lighting meter watch circuit etc. detect, but also can measure the various piece of vehicle microcomputer control system, as engine microcomputer is controlled fuel injection system, firing system etc.Select suitable annex, its test function can also be expanded, directly the physical quantitys such as the pressure on automobile (vacuum), torsion and temperature are tested, detect, diagnose out the various performance parameters of vehicle, for comprehensive, the technology status of accurate evaluation automobile, usability provide reliable basis; It can find the situation that may break down fast, for fault is provided by the information that provides.
2, there is automatic data collection, automatic result of determination, automatically registration value and automatically generate the intelligent functions such as relational graph curve and combine tableland and improved speed and performance that automotive performance detects. be conducive to automobile testing towards efficiently, fast, the towel that future development has reduced automobile testing process easily asks that link detects data and directly enters by instrument the machine testing system of making. changed and in traditional detection process, first read secondary instrument data, the method of again data typing microcomputer having been processed after having tested. the error of having avoided human factor to cause.
3, can adopt portable computer as instrument core, to control and the main body of data processing, the parts with calculator memory and hardware as stored record data. can save expensive instrument and equipments such as magnetic tape recorder, fast Fourier analysis instrument. the expense of instrument and equipment is purchased in the reduction of people's amplitude
4, the collection of detection data, judgement relational graph curve are to rely on computer software programming to realize. when experimental technique coup or coherent detection standard modification. as long as after change corresponding program module or some parameter, just can meet the demands. and improved the adaptability of instrument.
5, easy to operate, not only professional can operate, and ordinary skilled artisan study one end time, also can understand by detecting device of the present utility model the performance of automobile.
At present, China does not still have the standard of the aspects such as complete various automotive inspection equipments design, manufacture, scrap, calibrating, and this is to cause the numerous and diverse main cause of China's automotive inspection equipment kind.Checkout equipment is not carried out to standardization design, be just difficult to guarantee the effect of operative norm.Checkout equipment is measuring products, should regularly identifies just and can come into operation, but because equipment is various in style, type spectrum disunity, technical feature difference is very large, and great majority do not measure evaluation rules, regularly censorship, causes checkout equipment aging, add the standard of scrapping that there is no at present checkout equipment, this is by the quality that directly impact detects.While, part checkout equipment can not meet standard-required because checkout equipment and standard does not match.The automotive inspection equipment that China is used at present have import with domestic, the automotive inspection equipment of import is different owing to producing country, cause the aspects such as examination criteria, detection principle, testing conditions, characterization processes not identical, domestic automotive inspection equipment is also all developed with reference to external product substantially, although the standard in development Zhong Dui China has been done corresponding improvement, but difference little in ultimate principle, therefore, when dissimilar import and domestic automobile checkout equipment use simultaneously, be difficult to carry out same standard.So the automobile multifunctional self-measuring instrument of the utility model design can be unified the standard that China's automobile detects, by detecting, understand major parameter and the standard of automobile industry, set up a set of good detection method and equipment, be one of important measures of development of automobile.
Accompanying drawing explanation
Fig. 1 is multi-functional self-measuring instrument electrical block diagram of the present utility model (CPU adopts single-chip microcomputer).
Fig. 2 is the another kind of structural representation (CPU adopts MCU) of multi-functional self-measuring instrument circuit of the present utility model.
Embodiment
In Fig. 1, see:
Automobile multifunctional self-measuring instrument comprises power supply, mu balanced circuit, is arranged on detecting unit, amplifier circuit unit, transmission line, converting unit and the single-chip microcomputer of each parts in car, be characterized in: the storage battery of the former configuration of automobile for described power acquisition, described mu balanced circuit adopts two filter regulator circuits; Described detecting unit comprises temperature detecting unit, voltage detection unit, oil level and liquid level detecting unit, door switch detecting unit and light detecting unit, and described amplifier circuit unit adopts gain amplifying circuit; Described single-chip microcomputer adopts common single-chip microcomputer; Mu balanced circuit obtains the burning voltage of 12V/24V to detecting unit, amplifier circuit unit, converting unit and single-chip microcomputer power supply, and detecting unit connects amplifying circuit, then connects AD converting unit, then accesses single-chip microcomputer.
Above-described detecting unit is comprised of multiple sensor and transmission line, and wherein temperature detecting unit comprises that vehicle interior temperature, the outer temperature of car, engine show that a plurality of sensors such as temperature, oil temperature, coolant water temperature and transmission line form; Voltage detection unit comprises that a plurality of sensors such as engine voltage, battery tension, car light voltage and transmission line form; Oil level and liquid level detecting unit consist of fuel level sensor, wiper high water tank sensor, brake fluid level sensor and transmission line; Door switch detecting unit consists of door contact interrupter sensor, seat belt switch sensor, boot switch sensor and other switch and transmission line; Light detecting unit consists of the sensors such as dipped headlights, high beam, fog lamp, backup lamp, brake lamp, steering indicating light, night-run lamp and transmission circuit.
Above-described automobile multifunctional self-measuring instrument also comprises the hardware such as display, input keyboard and voice output, and these hardware are picked out by single-chip microcomputer, and display and input keyboard can adopt touch-screen, is arranged on suitable place in car.
In Fig. 2, see:
The single-chip microcomputer of described automobile multifunctional self-measuring instrument also can adopt MCU(microprocessor control unit MCU Microprocessor Control Unit), when adopting MCU, amplifier circuit unit and converting unit are cured in MCU, each road sensor directly accesses MCU by transmission line, and MCU outlet connects the hardware such as display, input keyboard and voice output.Described MCU can be * Intel:80C31,80C51, and the domestic macrocrystalline STC of * ATMEL:89C51 single-chip microcomputer etc., are solidificated in the programming of needs in module.
Claims (4)
1. an automobile multifunctional self-measuring instrument, comprise power supply, mu balanced circuit, be arranged on detecting unit, amplifier circuit unit, transmission line, converting unit and the single-chip microcomputer of each parts in car, it is characterized in that: the storage battery of the former configuration of automobile for described power acquisition, described mu balanced circuit adopts two filter regulator circuits; Described detecting unit comprises temperature detecting unit, voltage detection unit, oil level and liquid level detecting unit, door switch detecting unit and light detecting unit, and described amplifier circuit unit adopts gain amplifying circuit; Mu balanced circuit obtains the burning voltage of 12V/24V to detecting unit, amplifier circuit unit, converting unit and single-chip microcomputer power supply, and detecting unit connects amplifying circuit, then connects AD converting unit, then accesses single-chip microcomputer.
2. automobile multifunctional self-measuring instrument according to claim 1, it is characterized in that: described detecting unit is comprised of multiple sensor and transmission line, wherein temperature detecting unit comprises that vehicle interior temperature, the outer temperature of car, Engine Surface temperature, oil temperature and a plurality of temperature sensors of coolant water temperature and transmission line form; Voltage detection unit comprises that a plurality of sensors of engine voltage, battery tension, car light voltage and transmission line form; Oil level and liquid level detecting unit consist of fuel level sensor, wiper high water tank sensor, brake fluid level sensor and transmission line; Door switch detecting unit consists of door contact interrupter sensor, seat belt switch sensor, boot switch sensor and switch and transmission line; Light detecting unit consists of sensor and the transmission circuit of dipped headlights, high beam, fog lamp, backup lamp, brake lamp, steering indicating light, night-run lamp.
3. automobile multifunctional self-measuring instrument according to claim 1, it is characterized in that: the single-chip microcomputer of described automobile multifunctional self-measuring instrument also can adopt MCU, each road sensor directly accesses MCU by transmission line, and MCU outlet connects display, input keyboard and voice output hardware.
4. automobile multifunctional self-measuring instrument according to claim 3, is characterized in that: described MCU is * Intel:80C31,80C51 or the domestic macrocrystalline STC of * ATMEL:89C51 single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220700790.0U CN203502042U (en) | 2012-08-27 | 2012-12-18 | Multifunctional self-test instrument for automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220426933 | 2012-08-27 | ||
| CN201220426933.3 | 2012-08-27 | ||
| CN201220700790.0U CN203502042U (en) | 2012-08-27 | 2012-12-18 | Multifunctional self-test instrument for automobile |
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| CN203502042U true CN203502042U (en) | 2014-03-26 |
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| CN201220700790.0U Expired - Fee Related CN203502042U (en) | 2012-08-27 | 2012-12-18 | Multifunctional self-test instrument for automobile |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020456A (en) * | 2014-11-25 | 2015-11-04 | 成都雷克尔科技有限公司 | Boosting double-filtering touch type water-saving faucet based on logic amplification circuit |
| CN105203016A (en) * | 2015-09-24 | 2015-12-30 | 天津市久跃科技有限公司 | Detecting device for fixing hole of automobile front grid |
| CN105785979A (en) * | 2016-05-24 | 2016-07-20 | 南宁市茂百科技有限公司 | Automobile fault detector |
| CN106122319A (en) * | 2016-06-15 | 2016-11-16 | 陈昌志 | Automobile intelligent thermometric alarm |
-
2012
- 2012-12-18 CN CN201220700790.0U patent/CN203502042U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020456A (en) * | 2014-11-25 | 2015-11-04 | 成都雷克尔科技有限公司 | Boosting double-filtering touch type water-saving faucet based on logic amplification circuit |
| CN105203016A (en) * | 2015-09-24 | 2015-12-30 | 天津市久跃科技有限公司 | Detecting device for fixing hole of automobile front grid |
| CN105203016B (en) * | 2015-09-24 | 2017-12-22 | 天津市久跃科技有限公司 | A kind of detection means of Auto front Bar lattice fixing hole |
| CN105785979A (en) * | 2016-05-24 | 2016-07-20 | 南宁市茂百科技有限公司 | Automobile fault detector |
| CN106122319A (en) * | 2016-06-15 | 2016-11-16 | 陈昌志 | Automobile intelligent thermometric alarm |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20161218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |