CN103837707B - Portable speed of a motor vehicle sensor pulse simple detection instrument and detection method - Google Patents
Portable speed of a motor vehicle sensor pulse simple detection instrument and detection method Download PDFInfo
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- CN103837707B CN103837707B CN201410110932.1A CN201410110932A CN103837707B CN 103837707 B CN103837707 B CN 103837707B CN 201410110932 A CN201410110932 A CN 201410110932A CN 103837707 B CN103837707 B CN 103837707B
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- turning axle
- vehicle speed
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- speed sensor
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Abstract
Portable speed of a motor vehicle sensor pulse simple detection instrument and detection method, belong to vehicle speed sensor detection field.Solve existing employing oscillograph and detect the whether intact mode of vehicle speed sensor, detection speed is slow, and oscillograph volume is large, causes carrying inconvenient problem.Vehicle speed sensor to be measured is fixed on the sensor stiff end of turning axle by the present invention, and the signal output part of this vehicle speed sensor to be measured is connected with the data signal input of comparer, then vehicle speed sensor to be measured is controlled counterclockwise or dextrorotation three-sixth turn by rotating rotating disk, after comparer, counter, code translator process, display shows the number of the pulse signal that vehicle speed sensor to be measured produces.The present invention is mainly used in automobile main frame maker, for judging the performance of vehicle speed sensor.
Description
Technical field
The invention belongs to vehicle speed sensor detection field.
Background technology
Traditional detection mode that vehicle speed sensor is detected, all adopt the metering systems such as oscillograph Oscillograph, to judge that whether the equipment producing square wave is intact, this kind of detection mode processes the waveform signal that oscillograph detects, thus acquisition testing result, detection speed is slow, and oscillograph volume carries inconvenience greatly, to be easy to carry and the slow pick-up unit of detection speed is the needs of social development so provide a kind of.
Summary of the invention
The present invention detects the whether intact mode of vehicle speed sensor to solve existing employing oscillograph, detection speed is slow, and oscillograph volume is large, causes carrying inconvenient problem, the invention provides a kind of portable speed of a motor vehicle sensor pulse simple detection instrument and detection method.
Portable speed of a motor vehicle sensor pulse simple detection instrument, it comprises power supply processing circuit, comparer, counter, code translator, display, housing, turning axle and stop means;
Described power supply processing circuit is respectively used to provide working power signal to comparer, counter, code translator and display,
The pulse signal that the data signal input of comparer sends for receiving pulse transducer to be measured, the data signal output of comparer is connected with the counting pulse signal input end of counter, the count results output terminal of described counter is connected with the decoded signal input end of code translator, and the decoded signal output terminal of code translator is connected with the display input end of display;
Housing is hexahedron structure, former and later two sidewalls of housing is equipped with a through hole, and two through holes are oppositely arranged,
Power supply processing circuit, comparer, counter and decoder are all fixed in housing, and display is embedded in the upper surface of housing,
Turning axle through two through holes, and is fixedly connected with described two through holes respectively by two bearings, and the two ends of turning axle are all positioned at the outside of housing, and one end of this turning axle is fixed with rotating disk, and the other end of this turning axle is the stiff end of vehicle speed sensor to be measured,
Stop means is fixed on inside housing rear wall, can only rotate a circle for limiting turning axle.
Described stop means is made up of dog screw and gag lever post, described dog screw and turning axle be arranged in parallel, and be fixed on inside housing rear wall, described gag lever post is vertically fixed on the sidewall of turning axle, dog screw and the turning axle distance of closing between sidewall is less than the length of gag lever post, and the distance between this gag lever post and housing rear wall is less than the distance between the nut of dog screw and housing rear wall.
The vehicle speed sensor pulse detecting method that portable speed of a motor vehicle sensor pulse simple detection instrument described in employing realizes, the detailed process of the method is,
First, vehicle speed sensor to be measured is fixed on the sensor stiff end of turning axle, power supply processing circuit is connected with power supply, and the signal output part of this vehicle speed sensor to be measured is connected with the data signal input of comparer;
Secondly, rotating rotating disk to rotating motionless position, then rotating in the other direction to turning motionless position, in rotary course, the number of the pulse of observation display display.
The beneficial effect that the present invention brings is, the volume of the existing pick-up unit of portable speed of a motor vehicle sensor pulse simple detection instrument volume ratio of the present invention reduces more than 70%, structure is simple, and low cost of manufacture is also easy to carry, and can conveniently be applied in various occasion; Described portable speed of a motor vehicle sensor pulse simple detection instrument and improve more than 30% based on the detection method detection speed that this detector realizes.The present invention is mainly used in automobile main frame maker, for judging the performance of vehicle speed sensor.
Accompanying drawing explanation
Fig. 1 is the principle schematic of portable speed of a motor vehicle sensor pulse simple detection instrument of the present invention;
Fig. 2 is the structural representation of portable speed of a motor vehicle sensor pulse simple detection instrument of the present invention;
Fig. 3 is the circuit theory schematic diagram of the power supply processing circuit described in embodiment one;
Fig. 4 is in embodiment one, the external structure schematic diagram of described housing.
Embodiment
Embodiment one: present embodiment is described see Fig. 1,2 and 4, portable speed of a motor vehicle sensor pulse simple detection instrument described in present embodiment, it comprises power supply processing circuit 1, comparer 2, counter 3, code translator 4, display 5, housing 6, turning axle 7 and stop means;
Described power supply processing circuit 1 is respectively used to provide working power signal to comparer 2, counter 3, code translator 4 and display 5,
The pulse signal that the data signal input of comparer 2 sends for receiving pulse transducer to be measured, the data signal output of comparer 2 is connected with the counting pulse signal input end of counter 3, the count results output terminal of described counter 3 is connected with the decoded signal input end of code translator 4, and the decoded signal output terminal of code translator 4 is connected with the display input end of display 5;
Housing 6 is hexahedron structure, former and later two sidewalls of housing 6 is equipped with a through hole, and two through holes are oppositely arranged,
Power supply processing circuit 1, comparer 2, counter 3 and code translator 4 are all fixed in housing 6, and display 5 is embedded in the upper surface of housing 6,
Turning axle 7 is through two through holes, and be fixedly connected with described two through holes respectively by two bearings, the two ends of turning axle 7 are all positioned at the outside of housing 6, and one end of this turning axle 7 is fixed with rotating disk 8, the other end of this turning axle 7 is the stiff end of vehicle speed sensor 10 to be measured
Stop means is fixed on inside housing 6 rear wall, can only rotate a circle for limiting turning axle 7.
In present embodiment, described power supply processing circuit 1, comparer 2, counter 3, code translator 4 and display 5 all adopt existing techniques in realizing.In use, vehicle speed sensor 10 to be measured is fixed on the sensor stiff end of turning axle 7, and the signal output part of this vehicle speed sensor 10 to be measured is connected with the data signal input of comparer 2, then vehicle speed sensor 10 to be measured is controlled counterclockwise or dextrorotation three-sixth turn by rotating rotating disk 8, after being processed by comparer 2, counter 3, code translator 4, display 5 shows amplitude and the number of the pulse signal that vehicle speed sensor 10 to be measured produces, and reaches the object detecting the pulse signal that vehicle speed sensor exports.
Wherein a kind of circuit theory diagrams of the power supply processing circuit 1 described in present embodiment are specifically see Fig. 3, and the input end in figure left side is the signal input part of DC power supply.
Embodiment two: the difference of present embodiment and the portable speed of a motor vehicle sensor pulse simple detection instrument described in embodiment one is, described stop means is made up of dog screw 9 and gag lever post 11, described dog screw 9 be arranged in parallel with turning axle 7, and be fixed on inside housing 6 rear wall, described gag lever post 11 is vertically fixed on the sidewall of turning axle 7, dog screw 9 and turning axle 7 distance of closing between sidewall are less than the length of gag lever post 11, and the distance between this gag lever post 11 and housing 6 rear wall is less than the distance between the nut of dog screw 9 and housing 6 rear wall.
Stop means described in present embodiment, can limit turning axle 7 and rotate within the scope of 360 degree, so realize only measure vehicle speed sensor 10 to be measured rotate a circle produce pulse data.
Embodiment three: present embodiment is described see Fig. 1 and 2, the difference of present embodiment and the portable speed of a motor vehicle sensor pulse simple detection instrument described in embodiment one or two is, described power supply processing circuit 1 adopt model be AE2576T-5.0 chip realize.
Embodiment four: present embodiment is described see Fig. 1 and 2, the difference of present embodiment and the portable speed of a motor vehicle sensor pulse simple detection instrument described in embodiment one or two is, described counter 3 adopt model be 74LS163 or 74LS48 chip realize.
Embodiment five: the vehicle speed sensor pulse detecting method that present embodiment adopts the portable speed of a motor vehicle sensor pulse simple detection instrument described in embodiment one to realize, the detailed process of the method is,
First, vehicle speed sensor 10 to be measured is fixed on the sensor stiff end of turning axle 7, power supply processing circuit 1 is connected with power supply, and the signal output part of this vehicle speed sensor 10 to be measured is connected with the data signal input of comparer 2;
Secondly, rotating rotating disk 8 to rotating motionless position, then rotating in the other direction to turning motionless position, in rotary course, the number of the pulse that observation display 5 shows.
In present embodiment, vehicle speed sensor 10 to be measured rotates the square wave produced, if square wave amplitude can not exceed setting amplitude thresholds, then this square wave can not be recorded, and can not show on display 5.
Claims (5)
1. portable speed of a motor vehicle sensor pulse simple detection instrument, it is characterized in that, it comprises power supply processing circuit (1), comparer (2), counter (3), code translator (4), display (5), housing (6), turning axle (7) and stop means;
Described power supply processing circuit (1) is respectively used to provide working power signal to comparer (2), counter (3), code translator (4) and display (5),
The pulse signal that the data signal input of comparer (2) sends for receiving vehicle speed sensor to be measured (10), the data signal output of comparer (2) is connected with the counting pulse signal input end of counter (3), the count results output terminal of described counter (3) is connected with the decoded signal input end of code translator (4), and the decoded signal output terminal of code translator (4) is connected with the display input end of display (5);
Housing (6) is hexahedron structure, housing (6) former and later two sidewalls is equipped with a through hole, and two through holes are oppositely arranged,
Power supply processing circuit (1), comparer (2), counter (3) and code translator (4) are all fixed in housing (6), display (5) is embedded in the upper surface of housing (6)
Turning axle (7) is through two through holes, and be fixedly connected with described two through holes respectively by two bearings, the two ends of turning axle (7) are all positioned at the outside of housing (6), one end of this turning axle (7) is fixed with rotating disk (8), the other end of this turning axle (7) is the stiff end of vehicle speed sensor to be measured (10)
Stop means is fixed on inside housing (6) rear wall, can only rotate a circle for limiting turning axle (7).
2. portable speed of a motor vehicle sensor pulse simple detection instrument according to claim 1, it is characterized in that, described stop means is made up of dog screw (9) and gag lever post (11), described dog screw (9) and turning axle (7) be arranged in parallel, and be fixed on inside housing (6) rear wall, described gag lever post (11) is vertically fixed on the sidewall of turning axle (7), dog screw (9) and turning axle (7) distance of closing between sidewall are less than the length of gag lever post (11), and the distance between this gag lever post (11) and housing (6) rear wall is less than the distance between the nut of dog screw (9) and housing (6) rear wall.
3. portable speed of a motor vehicle sensor pulse simple detection instrument according to claim 1 and 2, is characterized in that, described power supply processing circuit (1) employing model is that the chip of AE2576T-5.0 realizes.
4. portable speed of a motor vehicle sensor pulse simple detection instrument according to claim 1 and 2, is characterized in that, described counter (3) employing model is that the chip of 74LS163 or 74LS48 realizes.
5. adopt the vehicle speed sensor pulse detecting method that portable speed of a motor vehicle sensor pulse simple detection instrument according to claim 1 realizes, it is characterized in that, the detailed process of the method is,
First, vehicle speed sensor to be measured (10) is fixed on the sensor stiff end of turning axle (7), power supply processing circuit (1) is connected with power supply, and the data signal input of the signal output part of this vehicle speed sensor to be measured (10) with comparer (2) is connected;
Secondly, rotating rotating disk (8) to rotating motionless position, then rotating in the other direction to turning motionless position, in rotary course, the number of the pulse that observation display (5) shows.
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| CN201410110932.1A CN103837707B (en) | 2014-03-24 | 2014-03-24 | Portable speed of a motor vehicle sensor pulse simple detection instrument and detection method |
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| CN201410110932.1A CN103837707B (en) | 2014-03-24 | 2014-03-24 | Portable speed of a motor vehicle sensor pulse simple detection instrument and detection method |
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| CN103837707B true CN103837707B (en) | 2016-02-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP7149058B2 (en) * | 2017-08-10 | 2022-10-06 | ローム株式会社 | In-vehicle timing controller and automobile using it |
| CN108593960A (en) * | 2018-06-28 | 2018-09-28 | 宁波琻捷电子科技有限公司 | A kind of motor racing detection integrated circuit |
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| US5130933A (en) * | 1989-09-27 | 1992-07-14 | Zexel Corporation | Rotation sensing system having sensor malfunction detection |
| DE10305879A1 (en) * | 2003-02-13 | 2004-08-26 | Robert Bosch Gmbh | Detection of signaling errors from a motor vehicle speed sensor, whereby pulse sequences are monitored over a number of consecutive periods and compared with threshold values |
| CN201589788U (en) * | 2009-12-31 | 2010-09-22 | 南车株洲电力机车有限公司 | Speed sensor gear precision detection device |
| CN202267684U (en) * | 2011-09-30 | 2012-06-06 | 万向钱潮（上海）汽车***有限公司 | Detection device of wheel speed sensor |
| CN202975046U (en) * | 2012-11-16 | 2013-06-05 | 綦江齿轮传动有限公司 | Hand-held vehicle speed sensor detector |
| CN203037672U (en) * | 2013-01-28 | 2013-07-03 | 上海为彪汽配制造有限公司 | Rotation unit and rotating speed sensor detection apparatus |
| CN103513062A (en) * | 2013-10-08 | 2014-01-15 | 潍柴动力股份有限公司 | Contrast test device of speed sensor |
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2014
- 2014-03-24 CN CN201410110932.1A patent/CN103837707B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5130933A (en) * | 1989-09-27 | 1992-07-14 | Zexel Corporation | Rotation sensing system having sensor malfunction detection |
| DE10305879A1 (en) * | 2003-02-13 | 2004-08-26 | Robert Bosch Gmbh | Detection of signaling errors from a motor vehicle speed sensor, whereby pulse sequences are monitored over a number of consecutive periods and compared with threshold values |
| CN201589788U (en) * | 2009-12-31 | 2010-09-22 | 南车株洲电力机车有限公司 | Speed sensor gear precision detection device |
| CN202267684U (en) * | 2011-09-30 | 2012-06-06 | 万向钱潮（上海）汽车***有限公司 | Detection device of wheel speed sensor |
| CN202975046U (en) * | 2012-11-16 | 2013-06-05 | 綦江齿轮传动有限公司 | Hand-held vehicle speed sensor detector |
| CN203037672U (en) * | 2013-01-28 | 2013-07-03 | 上海为彪汽配制造有限公司 | Rotation unit and rotating speed sensor detection apparatus |
| CN103513062A (en) * | 2013-10-08 | 2014-01-15 | 潍柴动力股份有限公司 | Contrast test device of speed sensor |
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Inventor after: Wang Dazhao Inventor after: Hu Wei Inventor after: Wang Yang Inventor after: Ai Yanbao Inventor after: Li Chunlong Inventor after: Yang Qian Inventor after: Sun Jingwu Inventor before: Hu Wei Inventor before: Wang Yang Inventor before: Ai Yanbao Inventor before: Li Chunlong Inventor before: Yang Qian Inventor before: Xu Zhaomeng Inventor before: Sun Jingwu |
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