CN203191401U - Rotating speed testing device used for motorcycle engine - Google Patents
Rotating speed testing device used for motorcycle engine Download PDFInfo
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- CN203191401U CN203191401U CN 201320229386 CN201320229386U CN203191401U CN 203191401 U CN203191401 U CN 203191401U CN 201320229386 CN201320229386 CN 201320229386 CN 201320229386 U CN201320229386 U CN 201320229386U CN 203191401 U CN203191401 U CN 203191401U
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Abstract
The utility model discloses a rotating speed testing device used for a motorcycle engine. The key point is that the rotating speed testing device used for the motorcycle engine includes a pulse signal producer and a signal processing device, wherein the pulse signal producer includes an engine magneto rotor and a sensor assembly; and the signal processing device includes a power source, a first voltage processing circuit, a second voltage processing circuit, and a pulse reshaping circuit, a single-chip microprocessor, a digital analog converter and an operation amplifier connected with an output terminal of the pulse signal producer successively. The first voltage processing circuit and the second voltage processing circuit are used for providing stable working voltage for the single-chip microprocessor and the digital analog converter respectively. An output terminal of the operation amplifier is used for outputting voltage signals in linear proportion to rotating speed of the engine. The rotating speed testing device used for the motorcycle engine provided by the utility model is simple in structure, convenient to use, high in reliability, easy to maintain, 15 percent higher in detection precision and responding frequency than a common engine rotating speed detector, comparatively good in universal performance and can meet using requirements for rotating speed detection of engines of motorcycles of different specifications.
Description
Technical field
The utility model relates to a kind of motorcycle engine device for testing rotating speed.
Background technology
In motorcycle detected, the accurate test of engine speed was a crucial test item, accurate test engine rotation speed change situation, and can be sent to signal picker in real time, most important to science, the accuracy of estimating car load detection data.
Existing checkout equipment mainly adopts way of electromagnetic induction, inductor is clipped on the hi-line of ignition coil, high tension voltage situation of change by coil, electromagnetic inductor output engine speed also shows, but from actual operating position feedback, this device requires tighter to situations such as clamping and testing environment electromagnetic interference (EMI), its detection is not accurate enough, and operation is inconvenience comparatively.
The utility model content
The purpose of this utility model provides a kind of motorcycle engine device for testing rotating speed.
To achieve these goals, by the following technical solutions, a kind of motorcycle engine device for testing rotating speed is characterized in that: described motorcycle engine device for testing rotating speed comprises:
Pulse signal producer: comprise engine magneto rotor and sensor unit; Described engine magneto rotor front end has the rotor gear ring; Described sensor unit inside has coil, and these coil two ends have positive and negative output terminal to pulse voltage;
Signal processing apparatus: comprise power supply, the first voltage treatment circuit, the second voltage treatment circuit and the pulse shaping circuit of connecting successively with the pulse signal producer output terminal, single-chip microcomputer, digital to analog converter and operational amplifier; Wherein, the first voltage treatment circuit and the second voltage treatment circuit are respectively applied to provide stable operating voltage to single-chip microcomputer and digital to analog converter; Operational amplifier output terminal is used for the voltage signal of output and the linear ratio of engine speed.
The described first voltage treatment circuit and the second voltage treatment circuit parallel connection; Wherein, the first voltage treatment circuit comprises battery E1 parallel with one another, capacitor C 1, battery E2 and capacitor C 2, wherein, also be in series with resistance R 3, integrated circuit U1 and inductance L 1 between capacitor C 1 and battery E2, described battery E1, capacitor C 1, battery E2, capacitor C 2 and integrated circuit U1 all have an end ground connection; The second voltage treatment circuit comprises successively relay J 2, resistance R 6, resistance R 7 and the resistance R 8 of series connection, the series circuit that resistance R 7 and resistance R 8 are formed also respectively with integrated circuit U3, battery E3, capacitor C 8 and capacitor C 9 parallel connections; Wherein, also be connected with inductance L 2 between capacitor C 8 and the capacitor C 9.
Described pulse shaping circuit comprises the parallel circuit that trigger, resistance R 12, capacitor C 11 and serial connection diode Z3, the Z2 of series connection successively form and the parallel circuit that comprises two parallel branches; In first parallel branch, battery E5 and resistance R 5 parallel connections, the base stage of the triode Q2 that connects then, the collector of this triode Q2 connects the parallel circuit of being made up of resistance R 16 and R19, connects capacitor C 12 between emitter and the resistance R 19; In second parallel branch, battery E6 and resistance R 20 parallel connections, the emitter of the triode Q1 that connects then, the collector of this triode Q connects the parallel circuit of being made up of resistance R 17 and R18, connects capacitor C 13 between base stage and the resistance R 18.
The RC4 end of described single-chip microcomputer also is in series with resistance R 4; The VOUT end resistance in series R9 of digital to analog converter; The VIN end of operational amplifier connects the parallel circuit of being made up of resistance R 10 and R11, and the output terminal of operational amplifier also is connected with capacitor C 10.
The utility model is simple in structure, and is easy to use, and the reliability height is safeguarded easily, all improved 15% than common engine revolution detector accuracy of detection, response frequency, and its universal performance is better, and the engine speed that can satisfy various motor cycle type detects to be used.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of the pulse signal producer among Fig. 1;
Fig. 3 is the parallel circuit figure of the first voltage treatment circuit among Fig. 1;
Fig. 4 is the parallel circuit figure of the second voltage treatment circuit among Fig. 1;
Fig. 5 is the parallel circuit figure of pulse shaping circuit among Fig. 1;
Fig. 6 is the circuit connection diagram of single-chip microcomputer, digital to analog converter and operational amplifier among Fig. 1.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described further.
To shown in Figure 6, a kind of motorcycle engine device for testing rotating speed is characterized in that: described motorcycle engine device for testing rotating speed comprises as Fig. 1:
Pulse signal producer 1: comprise engine magneto rotor 1-1 and sensor unit 1-2; Described engine magneto rotor 1-1 front end has rotor gear ring 1-3; Described sensor unit 1-2 inside has coil 1-4, and this coil 1-4 two ends have positive and negative output terminal 1-5 to pulse voltage;
Signal processing apparatus 2: comprise power supply 2-1, the first voltage treatment circuit 2-2, the second voltage treatment circuit 2-3 and the pulse shaping circuit 2-4 that connects successively with pulse signal producer 1 output terminal, single-chip microcomputer 2-5, digital to analog converter 2-6 and operational amplifier 2-7; Wherein, the first voltage treatment circuit 2-2 and the second voltage treatment circuit 2-3 are respectively applied to provide stable operating voltage to single-chip microcomputer 2-5 and digital to analog converter 2-6; Operational amplifier 2-7 output terminal 2-8 is used for the voltage signal of output and the linear ratio of engine speed.
The described first voltage treatment circuit 2-2 and the second voltage treatment circuit 2-3 parallel connection; Wherein, the first voltage treatment circuit 2-2 comprises battery E1 parallel with one another, capacitor C 1, battery E2 and capacitor C 2, wherein, also be in series with resistance R 3, integrated circuit U1 and inductance L 1 between capacitor C 1 and battery E2, described battery E1, capacitor C 1, battery E2, capacitor C 2 and integrated circuit U1 all have an end ground connection; The second voltage treatment circuit 2-3 comprises successively relay J 2, resistance R 6, resistance R 7 and the resistance R 8 of series connection, the series circuit that resistance R 7 and resistance R 8 are formed also respectively with integrated circuit U3, battery E3, capacitor C 8 and capacitor C 9 parallel connections; Wherein, also be connected with inductance L 2 between capacitor C 8 and the capacitor C 9.
Described pulse shaping circuit 2-4 comprises the parallel circuit that trigger, resistance R 12, capacitor C 11 and serial connection diode Z3, the Z2 of series connection successively form and the parallel circuit that comprises two parallel branches; In first parallel branch, battery E5 and resistance R 5 parallel connections, the base stage of the triode Q2 that connects then, the collector of this triode Q2 connects the parallel circuit of being made up of resistance R 16 and R19, connects capacitor C 12 between emitter and the resistance R 19; In second parallel branch, battery E6 and resistance R 20 parallel connections, the emitter of the triode Q1 that connects then, the collector of this triode Q connects the parallel circuit of being made up of resistance R 17 and R18, connects capacitor C 13 between base stage and the resistance R 18.
The RC4 end of described single-chip microcomputer 2-5 also is in series with resistance R 4; The VOUT end resistance in series R9 of digital to analog converter 2-6; The VIN end of operational amplifier 2-7 connects the parallel circuit of being made up of resistance R 10 and R11, and the output terminal of operational amplifier 2-7 also is connected with capacitor C 10.
During work, pulse signal producer at first utilizes the principle of electromagnetic induction to produce pulse signal, when the engine magneto rotor rotates, the rotor gear ring rotates with the engine magneto rotor, when its front end enters into the cell winding perform region, will produce the pulse voltage of a forward at the two ends of coil; When its rear end enters into the cell winding perform region, will produce the pulse voltage of a negative sense at the two ends of coil, positive and negatively outwards output to signal processing apparatus to pulse signal by VOUT+, VOUT-.
Signal processing apparatus at first utilizes pulse shaping circuit that the pulse signal that collects is carried out shaping, output signal is handled through single-chip microcomputer after the shaping, pass through digital to analog converter then, arrive operational amplifier at last, by the voltage signal of this operational amplifier output with the linear ratio of engine speed, thereby realization is to the test function of engine speed.
The utility model is simple in structure, and is easy to use, and the reliability height is safeguarded easily, all improved 15% than common engine revolution detector accuracy of detection, response frequency, and its universal performance is better, and the engine speed that can satisfy various motor cycle type detects to be used.
Claims (4)
1. motorcycle engine device for testing rotating speed, it is characterized in that: described motorcycle engine device for testing rotating speed comprises:
Pulse signal producer: comprise engine magneto rotor and sensor unit; Described engine magneto rotor front end has the rotor gear ring; Described sensor unit inside has coil, and these coil two ends have positive and negative output terminal to pulse voltage;
Signal processing apparatus: comprise power supply, the first voltage treatment circuit, the second voltage treatment circuit and the pulse shaping circuit of connecting successively with the pulse signal producer output terminal, single-chip microcomputer, digital to analog converter and operational amplifier; Wherein, the first voltage treatment circuit and the second voltage treatment circuit are respectively applied to provide stable operating voltage to single-chip microcomputer and digital to analog converter; Operational amplifier output terminal is used for the voltage signal of output and the linear ratio of engine speed.
2. motorcycle engine device for testing rotating speed as claimed in claim 1 is characterized in that: the described first voltage treatment circuit and the second voltage treatment circuit parallel connection; Wherein, the first voltage treatment circuit comprises battery E1 parallel with one another, capacitor C 1, battery E2 and capacitor C 2, wherein, also be in series with resistance R 3, integrated circuit U1 and inductance L 1 between capacitor C 1 and battery E2, described battery E1, capacitor C 1, battery E2, capacitor C 2 and integrated circuit U1 all have an end ground connection; The second voltage treatment circuit comprises successively relay J 2, resistance R 6, resistance R 7 and the resistance R 8 of series connection, the series circuit that resistance R 7 and resistance R 8 are formed also respectively with integrated circuit U3, battery E3, capacitor C 8 and capacitor C 9 parallel connections; Wherein, also be connected with inductance L 2 between capacitor C 8 and the capacitor C 9.
3. motorcycle engine device for testing rotating speed as claimed in claim 1 is characterized in that: described pulse shaping circuit comprises the parallel circuit that trigger, resistance R 12, capacitor C 11 and serial connection diode Z3, the Z2 of series connection successively form and the parallel circuit that comprises two parallel branches; In first parallel branch, battery E5 and resistance R 5 parallel connections, the base stage of the triode Q2 that connects then, the collector of this triode Q2 connects the parallel circuit of being made up of resistance R 16 and R19, connects capacitor C 12 between emitter and the resistance R 19; In second parallel branch, battery E6 and resistance R 20 parallel connections, the emitter of the triode Q1 that connects then, the collector of this triode Q connects the parallel circuit of being made up of resistance R 17 and R18, connects capacitor C 13 between base stage and the resistance R 18.
4. motorcycle engine device for testing rotating speed as claimed in claim 1 is characterized in that: the RC4 end of described single-chip microcomputer also is in series with resistance R 4; The VOUT end resistance in series R9 of digital to analog converter; The VIN end of operational amplifier connects the parallel circuit of being made up of resistance R 10 and R11, and the output terminal of operational amplifier also is connected with capacitor C 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320229386 CN203191401U (en) | 2013-04-28 | 2013-04-28 | Rotating speed testing device used for motorcycle engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320229386 CN203191401U (en) | 2013-04-28 | 2013-04-28 | Rotating speed testing device used for motorcycle engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203191401U true CN203191401U (en) | 2013-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320229386 Expired - Fee Related CN203191401U (en) | 2013-04-28 | 2013-04-28 | Rotating speed testing device used for motorcycle engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203191401U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775271A (en) * | 2014-01-28 | 2014-05-07 | 庄景阳 | Using method of trigger head length tester |
| CN108303569A (en) * | 2017-12-31 | 2018-07-20 | 上海自动化仪表有限公司 | The error correcting method that turbine speed measures |
-
2013
- 2013-04-28 CN CN 201320229386 patent/CN203191401U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775271A (en) * | 2014-01-28 | 2014-05-07 | 庄景阳 | Using method of trigger head length tester |
| CN108303569A (en) * | 2017-12-31 | 2018-07-20 | 上海自动化仪表有限公司 | The error correcting method that turbine speed measures |
| CN108303569B (en) * | 2017-12-31 | 2020-07-14 | 上海自动化仪表有限公司 | Error correction method for measuring rotating speed of steam turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |