CN201075056Y - Sensor simulation signal generator - Google Patents
Sensor simulation signal generator Download PDFInfo
- Publication number
- CN201075056Y CN201075056Y CNU2006200606328U CN200620060632U CN201075056Y CN 201075056 Y CN201075056 Y CN 201075056Y CN U2006200606328 U CNU2006200606328 U CN U2006200606328U CN 200620060632 U CN200620060632 U CN 200620060632U CN 201075056 Y CN201075056 Y CN 201075056Y
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- signal
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- power interface
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- exchange mouth
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Abstract
An auto sensor simulation signal generator consists of a power interface 1, a signal exchange port 3, a signal generation module 2 and a signal detection module 4. The signal generation module 2 and the signal detection module 4 are mutually independent and are welded on a circuit board; the power interface 1 and the signal exchange port 3 are also welded on the same circuit board. The utility model can provide the simulation signals of a crankshaft position sensor, a top dead center position sensor, a cylinder position sensor, an inlet manifold absolute pressure sensor, an air intake temperature sensor, a throttle opening sensor, a water temperature sensor and other sensors. The application of the device can carry out the detection of ECU, carry out the maintenance and detection of automotive common sensors, carry out the detection of oil nozzles, distributors (ignition module) and spark plugs, carry out the drawing of the basic oil injection pulse width pulse spectrogram and the impact analysis of the correction factors thereof and carry out the drawing of the ignition advance angle pulse spectrogram and the impact analysis of the correction factors thereof.
Description
Technical field
The utility model relates to a kind of electronic installation that can the emulation sensor signal.Particularly a kind of electronic installation that is used for the required sensor signal of simulated automotive ECU.
Background technology
Chinese patent Granted publication CN 2661512Y, open day on Dec 8th, 2004, the name of utility model is called the vehicle signal generator, and this application case discloses a kind of vehicle signal generator, and it is made up of power supply input circuit, mu balanced circuit, square wave signal generator and shaping amplification circuit.After this utility model analyzed, find that this vehicle signal generator core is made up of 555 integrated packages, be mainly used in fixing square wave takes place, replace the signal of being correlated with, convenient detection maintenance fax sense kilometer table system and wheel sensor-based system.The signal that this signal generator provides is single, the electronic circuit complexity, and also waveform is fixed narrow application range.
Summary of the invention
The utility model has overcome the deficiency in this technology, and multiple basic sensor signal can be provided, and the shape of waveform and frequency can be as required, and the modification by software changes; In form, the utility model has utilized the feedback of automobile ECU to come that sensor is carried out reverse-examination and has surveyed, and with prior art the different of matter is arranged; And simple in structure, cheap, software program is easy to write and revise.
The utility model contains in order to the power interface 1 of introducing external power source, in order to the signal exchange mouth 3 of tested Engine ECU switching signal, in order to the signal generating module 2 that produces various waveform signals and voltage signal and in order to detect the simple signal detection module 4 of ECU control output signal.Described power interface 1 can provide required power supply to components and parts; Described signal exchange mouth 3, by with being connected of external data line, can realize exchange with external signal; Described signal generating module 2 is made up of Single Chip Microcomputer (SCM) system 6 and rheostat; Described Single Chip Microcomputer (SCM) system 6 and signal exchange mouth 3, power interface 1 interrupts button 10 and is connected with crystal oscillating circuit 11; Described rheostat is connected with signal exchange mouth 3 with power interface 1; Described signal detection module 4 connects signal exchange mouth 3, receives the signal from Engine ECU.Connecting relation between each module is: signal generating module (2) input port links to each other with power interface (1), and its output port is connected to signal exchange mouth (3); Signal detection module (4) links to each other with signal exchange mouth (3).
Application the utility model can carry out the detection to motor car engine ECU easily; Carry out the detection of automobile sensor commonly used; Carry out the detection of atomizer, ignition distributor (ignition module) and spark plug; Carry out the drafting of basic fuel injection pulsewidth arteries and veins spectrogram and the impact analysis of modifying factor thereof; Carry out the drafting of ignition advance angle arteries and veins spectrogram and the impact analysis of modifying factor thereof.
Description of drawings
Fig. 1 is the block scheme of the utility model sensor Simulation signal generator;
Fig. 2 is the block scheme of signal generating module 2;
Fig. 3 is the circuit theory diagrams of Single Chip Microcomputer (SCM) system 6;
Embodiment
The utility model will be further described below in conjunction with drawings and Examples.
Claims (6)
1. sensor Simulation signal generator, it is characterized in that, it is made up of power interface (1), signal exchange mouth (3), signal generating module (2), signal detection module (4), separate between signal generating module (2), the signal detection module (4), be welded on the circuit board, power interface (1) also is welded on the same circuit board with signal exchange mouth (3); Signal generating module (2) input port links to each other with power interface (1), and its output port is connected to signal exchange mouth (3); Signal detection module (4) links to each other with signal exchange mouth (3).
2. sensor Simulation signal generator according to claim 1 is characterized in that, described signal exchange mouth (3), and the pin realization of the row of use is connected with the external data line.
3. sensor Simulation signal generator according to claim 1 is characterized in that, described signal generating module (2) is made up of Single Chip Microcomputer (SCM) system (6) and rheostat.
4. sensor Simulation signal generator according to claim 3, it is characterized in that described Single Chip Microcomputer (SCM) system is selected AT89S52 type single-chip microcomputer for use, its port and signal exchange mouth (3), power interface (1) interrupts button (10) and links to each other with crystal oscillating circuit (11).
5. sensor Simulation signal generator according to claim 3 is characterized in that, described rheostat resistance is 20K ohm, and it joins with power interface (1) and signal exchange mouth (3).
6. sensor Simulation signal generator according to claim 1 is characterized in that, described signal detection module (4) is made up of light emitting diode, links to each other with signal exchange mouth (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200606328U CN201075056Y (en) | 2006-06-20 | 2006-06-20 | Sensor simulation signal generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200606328U CN201075056Y (en) | 2006-06-20 | 2006-06-20 | Sensor simulation signal generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201075056Y true CN201075056Y (en) | 2008-06-18 |
Family
ID=39520315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200606328U Expired - Fee Related CN201075056Y (en) | 2006-06-20 | 2006-06-20 | Sensor simulation signal generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201075056Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192840A (en) * | 2010-02-04 | 2011-09-21 | Avl里斯脱有限公司 | Method for testing a vehicle or a sub-system thereof |
| CN103513577A (en) * | 2012-06-18 | 2014-01-15 | 中国航空工业集团公司西安飞机设计研究所 | A displacement sensor simulation circuit |
| CN105181117A (en) * | 2015-09-10 | 2015-12-23 | 西安翔迅科技有限责任公司 | Program control charge type vibration sensor simulation signal source |
| CN108603809A (en) * | 2016-02-10 | 2018-09-28 | 塔斯国际软件与服务私人有限公司 | Automobile Test System, method and computer program product |
| CN108592979A (en) * | 2018-05-09 | 2018-09-28 | 珠海格力电器股份有限公司 | Sensor Simulation system, test system and test method |
| CN109443771A (en) * | 2018-10-11 | 2019-03-08 | 曾凡荣 | Waveform generation method, device, terminal and readable storage medium storing program for executing |
-
2006
- 2006-06-20 CN CNU2006200606328U patent/CN201075056Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192840A (en) * | 2010-02-04 | 2011-09-21 | Avl里斯脱有限公司 | Method for testing a vehicle or a sub-system thereof |
| CN103513577A (en) * | 2012-06-18 | 2014-01-15 | 中国航空工业集团公司西安飞机设计研究所 | A displacement sensor simulation circuit |
| CN105181117A (en) * | 2015-09-10 | 2015-12-23 | 西安翔迅科技有限责任公司 | Program control charge type vibration sensor simulation signal source |
| CN108603809A (en) * | 2016-02-10 | 2018-09-28 | 塔斯国际软件与服务私人有限公司 | Automobile Test System, method and computer program product |
| CN108592979A (en) * | 2018-05-09 | 2018-09-28 | 珠海格力电器股份有限公司 | Sensor Simulation system, test system and test method |
| CN109443771A (en) * | 2018-10-11 | 2019-03-08 | 曾凡荣 | Waveform generation method, device, terminal and readable storage medium storing program for executing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080618 |