CN103278329A - Portable handheld automobile engine failure prediction instrument - Google Patents
Portable handheld automobile engine failure prediction instrument Download PDFInfo
- Publication number
- CN103278329A CN103278329A CN 201310189685 CN201310189685A CN103278329A CN 103278329 A CN103278329 A CN 103278329A CN 201310189685 CN201310189685 CN 201310189685 CN 201310189685 A CN201310189685 A CN 201310189685A CN 103278329 A CN103278329 A CN 103278329A
- Authority
- CN
- China
- Prior art keywords
- circuit
- signal
- master control
- control system
- signal output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention relates to a portable handheld automobile engine failure prediction instrument, belonging to the field of automobile safety monitoring failure diagnosis. For the purpose of solving the problem that the automobile engine failure cannot be early warned in the prior art, the invention provides the portable handheld automobile engine failure prediction instrument, which comprises a tail gas acquisition unit, an engine information acquisition unit and a signal processing main control system, wherein the tail gas acquisition unit is used for acquiring contents of various ingredients in automobile tail gas, the engine information acquisition unit is used for acquiring data of vibration, noise and temperature of an engine and sending the data to the signal processing main control system, and the signal processing main control system is used for predicting some failures of the engine of an automobile that may occur by adopting a genetic neutral network algorithm taking the received contents of various ingredients in the automobile tail gas and the data of vibration, noise and temperature of the engine as the reasoning basis, and displaying failure information and guiding information for avoiding the failures to a user through a touch display screen. The portable handheld automobile engine failure prediction instrument is suitable for the fields of automobile failure prediction and automobile failure diagnosis.
Description
Technical field
The present invention relates to a kind of portable hand-held motor car engine failure prediction instrument, belong to automotive safety monitoring fault diagnosis field.
Background technology
In automotive field, yet there are no the listing product of vehicle failure forecast function, and with the design's similar products like be vehicle failure analyser and motoring condition monitor.The vehicle failure analyser mainly is to analyze the problem that it produces fault at the vehicle that is out of order.Though the vehicle failure detection instrument also divide hand-held and with the computer interconnection system, these equipment all need the professional person to operate, and this type of valuable product, and the vehicle instrumentation of different factions is had than big difference, are not suitable for very much each car owner's operation.Also some similar products like in development as based on the motoring condition remote monitoring of GPRS technology and fault detect expert or based on remote automobile monitoring running state of GSM technology etc.These equipment all are that price is more expensive, and the instrument of the amateur difficult operation of personage that repairs.
Summary of the invention
The present invention the present invention proposes a kind of portable hand-held motor car engine failure prediction instrument in order to solve the problem that prior art can not give warning in advance to the motor car engine fault.
Portable hand-held motor car engine failure prediction instrument, it comprises emission part and receives display part that described emission part is connected with the reception display part by wireless signal; Emission part comprises tail gas collecting unit and engine information collecting unit;
Described tail gas collecting unit comprises Detection Circuit, humidity measuring circuit, tail gas signals collecting master control system and first radio transmitter, the signal output part of described Detection Circuit is connected with the gas detection signals input end of tail gas signals collecting master control system, the signal output part of humidity measuring circuit is connected with the Humidity Detection signal input part of tail gas signals collecting master control system, the signal output part of tail gas signals collecting master control system is connected with the signal input part of first radio transmitter
The engine information collecting unit comprises noise detecting circuit, vibration detection circuit, temperature collection circuit, engine signal is gathered master control system and second radio transmitter, the noise signal output terminal of described noise detecting circuit is connected with the noise signal input end that engine signal is gathered master control system, the vibration signal output terminal of vibration detection circuit is connected with the vibration signal input end that engine signal is gathered master control system, the temperature signal output terminal of temperature collection circuit is connected with the temperature signal input end that engine signal is gathered master control system, the signal output part that described engine signal is gathered master control system is connected with the signal input part of second radio transmitter
Receive display part and comprise wireless receiving circuit, signal is handled master control system, touch display screen, the phonetic warning circuit, the OBD interface circuit, memory circuit and USB interface and SD interface circuit, the signal output part of described wireless receiving circuit is connected with the communication signal input end that signal is handled master control system, the serial communication bus that passes through that described signal is handled master control system is connected with touch display screen, the USB communication port that this signal is handled master control system is connected with USB interface and SD interface circuit, another serial communication bus that passes through that this signal is handled master control system is connected with memory circuit, and the signal output part of OBD interface circuit is connected with the data-signal input end that signal is handled master control system.
Signal processing master control system stores the analysis result of each deal with data into memory circuit, in order to be signal processing master control system calling, relatively and for other equipment consulting historical data.
Described noise detecting circuit can adopt particular circuit configurations shown in Figure 7 to realize.
Described vibration detection circuit can adopt particular circuit configurations shown in Figure 8 to realize.
Described OBD interface circuit can adopt particular circuit configurations shown in Figure 11 to realize.
Touch display screen is used for showing the result of fault analysis, and the phonetic warning circuit is used for sending fault alarm information, and tail gas signals collecting master control system and engine signal are gathered master control system and done pre-service to gathering signal.
Described tail gas signals collecting master control system comprises the infrared emission circuit, amplifying circuit, A/D change-over circuit and comparer, the signal input part of described amplifying circuit is connected with the signal output part of infrared emission circuit signal output terminal and humidity measuring circuit simultaneously, the signal output part of described amplifying circuit is connected with the input end of analog signal of A/D change-over circuit, the digital signal output end of described A/D change-over circuit is connected with the signal input part of comparer, the signal output part of this comparer is the signal output part of tail gas signals collecting master control system, and the signal input part of described amplifying circuit is the Humidity Detection signal input part of tail gas signals collecting master control system.
Described Detection Circuit comprises gas sensing circuit and infrared emission circuit, the signal output part of described gas sensing circuit is connected with the signal input part of infrared emission circuit, the infrared receiving circuit signal input part of described infrared emission circuit signal output terminal and tail gas signals collecting master control system is by wireless connections, and described infrared emission circuit signal output terminal is the signal output part of Detection Circuit;
The infrared signal of the infrared emission circuit emission of the infrared receiving circuit receiver gases testing circuit of tail gas signals collecting master control system.
The infrared emission circuit adopts HSL5/60 type infra red radiation light source, and this infrared light supply can send the infrared ray of 0.7～5.0 mum wavelength, is used for covering the scope of the tail gas wavelength that detects.The operating voltage of sensor is 5V in the infrared emission circuit, working current 60mA, and 100000 hours sustainable working times, and use on the small and exquisite suitable portable low power-consumption quasi-instrument of this sensor bulk.The infrared radiation source circuit by the light intensity that the PWM ripple of dsp controller output is modulated infrared origin, has been used ADP3336 voltage stabilizing chip in the infrared emission circuit, guarantee the stabilized intensity of PWM ripple modulation back infrared origin with this.
The quaternary thermopile detector that adopts in the infrared receiving circuit is realized, tail gas signals collecting master control system is to design by the principle of different gas molecules to the selective absorption of infrared radiation, namely when infrared radiation passes through certain gas, the non-single element gas molecule of polar molecule in the tail gas, will carry out selectivity to infrared radiation as CO2, CO, HC etc. and absorb, and only absorb the infrared radiation of specific wavelength.Principle can detect the content of some specific gas in the vehicle exhaust thus.
Described engine signal is gathered master control system and is comprised amplifying circuit, A/D change-over circuit and comparer, described amplifying circuit amplifies noise signal, vibration signal and temperature signal, and all amplified analog signal are delivered to the A/D change-over circuit, described A/D change-over circuit converts all amplified analog signal to digital signal, and described comparer is handled the effective digital signal of output with digital signal.
Described signal is handled master control system and is adopted the genetic neural network algorithm module to realize Signal Processing.
By the genetic neural network algorithm module, realize motor car engine faults analysis and prediction.
Described tail gas signals collecting master control system adopts the MSP430F2012 of American TI Company to do the master control chip.
Described first radio transmitter adopts the nRF24L01 cake core to realize.
The nRF24L01 cake core is a new single chip radio-frequency receiving-transmitting device, works in 2.4GHz～2.5GHz ISM band; Functional modules such as built-in frequency synthesizer, power amplifier, crystal oscillator, modulator, and merged enhancement mode ShockBurst technology, wherein output power and communication channel can be configured by program; NRF24L01 is low in energy consumption, and with the power emission of-6dBm the time, working current also has only 9mA; During reception, working current has only 12.3mA, multiple low-power working mode (power-down mode and idle pulley).
It is the digital temperature sensor of DS18B20 that described temperature collection circuit adopts DALLAS company model.
This temperature sensing observable temperature scope is-55 ℃～+ 125 ℃.
The master control system of gathering described engine signal adopts the MSP430F2012 of American TI Company to do the master control chip.
Described USB interface and SD interface circuit adopt the CH376 cake core to realize.
Described signal is handled master control system and is adopted the DSP main control chip.
In the DSP main control chip, embed the genetic neural network algorithm program, realize motor car engine faults analysis and prediction.The DSP master chip that the master control system of handling signal adopts is the algorithm process chip, and in the middle of the genetic neural network algorithm application actual design, make to receive each parameter of automobile that display part can rapid abutting joint be subjected to and make analysis, improved 15% than conventional analysis accuracy, the state of each parts of automobile can be judged so very accurately, and the fault which aspect of motor car engine may take place can be finely doped.
The beneficial effect that the present invention brings is: realized the function that gives warning in advance before the motor car engine fault occurs.
Description of drawings
Fig. 1 is the electrical principle synoptic diagram of portable hand-held motor car engine failure prediction instrument of the present invention.
Fig. 2 is a kind of structural representation of embodiment two described Detection Circuit; Wherein frame of broken lines is represented the infrared emission circuit.
Fig. 3 is the structural representation of embodiment two described tail gas signals collecting master control systems; Wherein frame of broken lines is represented amplifying circuit.
Fig. 4 is the structural representation of embodiment two described a kind of A/D change-over circuits.
Fig. 5 is the electrical principle synoptic diagram of embodiment six described first radio transmitters.
Fig. 6 is a kind of structural representation of embodiment seven described temperature collection circuits.
Fig. 7 is a kind of structural representation of embodiment one described noise detecting circuit.
Fig. 8 is a kind of structural representation of this embodiment one described vibration detection circuit.
Fig. 9 is the structural representation of present embodiment nine described a kind of USB interface and SD interface circuit.
Figure 10 is the program flow diagram of embodiment four described genetic neural network algorithm modules; Reference numeral 17 expression genetic processes; Reference numeral 18 expression solution space processes.
Figure 11 is the structural representation of embodiment one described OBD interface circuit.
Embodiment
Embodiment one: present embodiment is described referring to Fig. 1, Fig. 7, Fig. 8 and Figure 11, the described portable hand-held motor car engine of present embodiment failure prediction instrument, it comprises emission part and receives display part that described emission part is connected with the reception display part by wireless signal; Emission part comprises tail gas collecting unit and engine information collecting unit;
Described tail gas collecting unit comprises Detection Circuit 1, humidity measuring circuit 2, tail gas signals collecting master control system 3 and the first radio transmitter 4-1, the signal output part of described Detection Circuit 1 is connected with the gas detection signals input end of tail gas signals collecting master control system 3, the signal output part of humidity measuring circuit 2 is connected with the Humidity Detection signal input part of tail gas signals collecting master control system 3, the signal output part of tail gas signals collecting master control system 3 is connected with the signal input part of the first radio transmitter 4-1
The engine information collecting unit comprises noise detecting circuit 13, vibration detection circuit 14, temperature collection circuit 15, engine signal is gathered master control system 16 and the second radio transmitter 4-2, the noise signal output terminal of described noise detecting circuit 13 is connected with the noise signal input end that engine signal is gathered master control system 16, the vibration signal output terminal of vibration detection circuit 14 is connected with the vibration signal input end that engine signal is gathered master control system 16, the temperature signal output terminal of temperature collection circuit 15 is connected with the temperature signal input end that engine signal is gathered master control system 16, the signal output part that described engine signal is gathered master control system 16 is connected with the signal input part of the second radio transmitter 4-2
Receive display part and comprise wireless receiving circuit 5, signal is handled master control system 6, touch display screen 7, phonetic warning circuit 8, OBD interface circuit 10, memory circuit 11 and USB interface and SD interface circuit 12, the signal output part of described wireless receiving circuit 5 is connected with the communication signal input end that signal is handled master control system 6, the serial communication bus that passes through that described signal is handled master control system 6 is connected with touch display screen 7, the USB communication port that this signal is handled master control system 6 is connected with USB interface and SD interface circuit 12, another serial communication bus that passes through that this signal is handled master control system 6 is connected with memory circuit 11, and the signal output part of OBD interface circuit 10 is connected with the data-signal input end that signal is handled master control system 6.
In the present embodiment, the analysis result of 6 each deal with data of signal processing master control system stores memory circuit 11 into, so that calling, relatively and for other equipment consulting for 6 pairs of historical datas of signal processing master control system.
The described noise detecting circuit 13 of present embodiment can adopt particular circuit configurations shown in Figure 7 to realize.
The described vibration detection circuit 14 of present embodiment can adopt particular circuit configurations shown in Figure 8 to realize.
The described OBD interface circuit 10 of present embodiment can adopt particular circuit configurations shown in Figure 11 to realize.
Embodiment two: referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4 illustrate present embodiment, the difference of present embodiment and embodiment one described portable hand-held motor car engine failure prediction instrument is, described tail gas signals collecting master control system 3 comprises infrared receiving circuit, amplifying circuit, A/D change-over circuit and comparer, the signal input part of described amplifying circuit is connected with the signal output part of infrared receiving circuit signal output part with humidity measuring circuit 2 simultaneously, the signal output part of described amplifying circuit is connected with the input end of analog signal of A/D change-over circuit, the digital signal output end of described A/D change-over circuit is connected with the signal input part of comparer, the signal output part of this comparer is the signal output part of tail gas signals collecting master control system 3, and the signal input part of described amplifying circuit is the Humidity Detection signal input part of tail gas signals collecting master control system 3.
Described Detection Circuit 1 comprises gas sensing circuit and infrared emission circuit, the signal output part of described gas sensing circuit is connected with the signal input part of infrared emission circuit, the infrared receiving circuit signal input part of described infrared emission circuit signal output terminal and tail gas signals collecting master control system 3 is by wireless connections, and described infrared emission circuit signal output terminal is the signal output part of Detection Circuit 1;
The infrared signal of the infrared emission circuit emission of the infrared receiving circuit receiver gases testing circuit 1 of tail gas signals collecting master control system 3.
In the present embodiment, the infrared emission circuit adopts HSL5/60 type infra red radiation light source, and this infrared light supply can send the infrared ray of 0.7～5.0 mum wavelength, is used for covering the scope of the tail gas wavelength that detects.The operating voltage of sensor is 5V in the infrared emission circuit, working current 60mA, and 100000 hours sustainable working times, and use on the small and exquisite suitable portable low power-consumption quasi-instrument of this sensor bulk.The infrared radiation source circuit by the light intensity that the PWM ripple of dsp controller output is modulated infrared origin, has been used ADP3336 voltage stabilizing chip in the infrared emission circuit, guarantee the stabilized intensity of PWM ripple modulation back infrared origin with this.
The quaternary thermopile detector that adopts in the infrared receiving circuit is realized, tail gas signals collecting master control system 3 is to design by the principle of different gas molecules to the selective absorption of infrared radiation, namely when infrared radiation passes through certain gas, polar molecule in the tail gas (non-single element gas molecule, as CO2, CO, HC etc.) will carry out the selectivity absorption to infrared radiation, and only absorb the infrared radiation of specific wavelength.Principle can detect the content of some specific gas in the vehicle exhaust thus.
Embodiment three: present embodiment is described referring to Fig. 1, the difference of present embodiment and embodiment one described portable hand-held motor car engine failure prediction instrument is, described engine signal is gathered master control system 16 and is comprised amplifying circuit, A/D change-over circuit and comparer, described amplifying circuit is with noise signal, vibration signal and temperature signal amplify, and all amplified analog signal are delivered to the A/D change-over circuit, described A/D change-over circuit converts all amplified analog signal to digital signal, and described comparer is handled the effective digital signal of output with digital signal.
Embodiment four: present embodiment is described referring to Figure 10, the difference of present embodiment and embodiment one described portable hand-held motor car engine failure prediction instrument is that described signal is handled master control system 6 and adopted the genetic neural network algorithm module to realize Signal Processing.
In the present embodiment, by the genetic neural network algorithm module, realize motor car engine faults analysis and prediction.
Embodiment five: present embodiment is described referring to Fig. 1, the difference of present embodiment and embodiment one described portable hand-held motor car engine failure prediction instrument is that described tail gas signals collecting master control system 3 adopts the MSP430F2012 of American TI Company to do the master control chip.
Embodiment six: present embodiment is described referring to Fig. 1 and Fig. 5, the difference of present embodiment and embodiment one described portable hand-held motor car engine failure prediction instrument is that the described first radio transmitter 4-1 adopts the nRF24L01 cake core to realize.
The nRF24L01 cake core is a new single chip radio-frequency receiving-transmitting device, works in 2.4GHz～2.5 GHz ISM band; Functional modules such as built-in frequency synthesizer, power amplifier, crystal oscillator, modulator, and merged enhancement mode ShockBurst technology, wherein output power and communication channel can be configured by program; NRF24L01 is low in energy consumption, and with the power emission of-6dBm the time, working current also has only 9mA; During reception, working current has only 12.3mA, multiple low-power working mode (power-down mode and idle pulley).
Embodiment seven: present embodiment is described referring to Fig. 1 and Fig. 6, the difference of present embodiment and embodiment one described portable hand-held motor car engine failure prediction instrument is that it is the digital temperature sensor of DS18B20 that described temperature collection circuit 15 adopts DALLAS company model.
This temperature sensing observable temperature scope is-55 ℃～+ 125 ℃.
Embodiment eight: present embodiment is described referring to Fig. 1, the difference of present embodiment and embodiment one described portable hand-held motor car engine failure prediction instrument is that described engine signal is gathered master control system 16 and adopted the MSP430F2012 of American TI Company to do the master control chip.
Embodiment nine: present embodiment is described referring to Fig. 1 and Fig. 9, the difference of present embodiment and embodiment one described portable hand-held motor car engine failure prediction instrument is that described USB interface and SD interface circuit 12 adopt the CH376 cake core to realize.
Embodiment ten: referring to Fig. 1 present embodiment is described, the difference of present embodiment and embodiment one described portable hand-held motor car engine failure prediction instrument is that described signal is handled master control system 6 and adopted the DSP main control chip.
Claims (10)
1. portable hand-held motor car engine failure prediction instrument is characterized in that, it comprises emission part and receive display part that described emission part is connected with the reception display part by wireless signal; Emission part comprises tail gas collecting unit and engine information collecting unit;
Described tail gas collecting unit comprises Detection Circuit (1), humidity measuring circuit (2), tail gas signals collecting master control system (3) and first radio transmitter (4-1), the signal output part of described Detection Circuit (1) is connected with the gas detection signals input end of tail gas signals collecting master control system (3), the signal output part of humidity measuring circuit (2) is connected with the Humidity Detection signal input part of tail gas signals collecting master control system (3), the signal output part of tail gas signals collecting master control system (3) is connected with the signal input part of first radio transmitter (4-1)
The engine information collecting unit comprises noise detecting circuit (13), vibration detection circuit (14), temperature collection circuit (15), engine signal is gathered master control system (16) and second radio transmitter (4-2), the noise signal output terminal of described noise detecting circuit (13) is connected with the noise signal input end that engine signal is gathered master control system (16), the vibration signal output terminal of vibration detection circuit (14) is connected with the vibration signal input end that engine signal is gathered master control system (16), the temperature signal output terminal of temperature collection circuit (15) is connected with the temperature signal input end that engine signal is gathered master control system (16), the signal output part that described engine signal is gathered master control system (16) is connected with the signal input part of second radio transmitter (4-2)
Receive display part and comprise wireless receiving circuit (5), signal is handled master control system (6), touch display screen (7), phonetic warning circuit (8), OBD interface circuit (10), memory circuit (11) and USB interface and SD interface circuit (12), the signal output part of described wireless receiving circuit (5) is connected with the communication signal input end that signal is handled master control system (6), the serial communication bus that passes through that described signal is handled master control system (6) is connected with touch display screen (7), the USB communication port that this signal is handled master control system (6) is connected with USB interface and SD interface circuit (12), another serial communication bus that passes through that this signal is handled master control system (6) is connected with memory circuit (11), and the signal output part of OBD interface circuit (10) is connected with the data-signal input end that signal is handled master control system (6).
2. portable hand-held motor car engine failure prediction instrument according to claim 1, it is characterized in that, described tail gas signals collecting master control system (3) comprises infrared receiving circuit, amplifying circuit, A/D change-over circuit and comparer, the signal input part of described amplifying circuit is connected with the signal output part of infrared receiving circuit signal output part with humidity measuring circuit (2) simultaneously, the signal output part of described amplifying circuit is connected with the input end of analog signal of A/D change-over circuit, the digital signal output end of described A/D change-over circuit is connected with the signal input part of comparer, the signal output part of this comparer is the signal output part of tail gas signals collecting master control system (3), and the signal input part of described amplifying circuit is the Humidity Detection signal input part of tail gas signals collecting master control system (3); Described Detection Circuit (1) comprises gas sensing circuit and infrared emission circuit, the signal output part of described gas sensing circuit is connected with the signal input part of infrared emission circuit, the infrared receiving circuit signal input part of described infrared emission circuit signal output terminal and tail gas signals collecting master control system (3) is by wireless connections, and described infrared emission circuit signal output terminal is the signal output part of Detection Circuit (1);
The infrared signal of the infrared emission circuit emission of the infrared receiving circuit receiver gases testing circuit (1) of tail gas signals collecting master control system (3).
3. portable hand-held motor car engine failure prediction instrument according to claim 1, it is characterized in that, described engine signal is gathered master control system (16) and is comprised amplifying circuit, A/D change-over circuit and comparer, the noise signal input end of described amplifying circuit is the noise signal input end that engine signal is gathered master control system (16), the vibration signal input end of this amplifying circuit is the vibration signal input end that engine signal is gathered master control system (16), this amplifying circuit temperature signal input end is the temperature signal input end that engine signal is gathered master control system (16), the signal output part of this amplifying circuit is connected with the input end of analog signal of A/D change-over circuit, the digital signal output end of described A/D change-over circuit is connected with the signal input part of comparer, and the signal output part of described comparer is the signal output part that engine signal is gathered master control system (16).
4. portable hand-held motor car engine failure prediction instrument according to claim 1 is characterized in that, described signal is handled master control system (6) and adopted the genetic neural network algorithm module to realize Signal Processing.
5. portable hand-held motor car engine failure prediction instrument according to claim 1 is characterized in that, described tail gas signals collecting master control system (3) adopts the MSP430F2012 of American TI Company to do the master control chip.
6. portable hand-held motor car engine failure prediction instrument according to claim 1 is characterized in that, described first radio transmitter (4-1) adopts the nRF24L01 cake core to realize.
7. portable hand-held motor car engine failure prediction instrument according to claim 1 is characterized in that, it is the digital temperature sensor of DS18B20 that described temperature collection circuit (15) adopts DALLAS company model.
8. portable hand-held motor car engine failure prediction instrument according to claim 1 is characterized in that, described engine signal is gathered master control system (16) and adopted the MSP430F2012 of American TI Company to do the master control chip.
9. portable hand-held motor car engine failure prediction instrument according to claim 1 is characterized in that, described USB interface and SD interface circuit (12) adopt the CH376 cake core to realize.
10. portable hand-held motor car engine failure prediction instrument according to claim 1 is characterized in that, described signal is handled master control system (6) and adopted DSP to do the master control chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310189685.4A CN103278329B (en) | 2013-05-21 | 2013-05-21 | Portable handheld automobile engine failure prediction instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310189685.4A CN103278329B (en) | 2013-05-21 | 2013-05-21 | Portable handheld automobile engine failure prediction instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103278329A true CN103278329A (en) | 2013-09-04 |
| CN103278329B CN103278329B (en) | 2015-09-30 |
Family
ID=49060913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310189685.4A Expired - Fee Related CN103278329B (en) | 2013-05-21 | 2013-05-21 | Portable handheld automobile engine failure prediction instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103278329B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568446A (en) * | 2014-09-27 | 2015-04-29 | 芜湖扬宇机电技术开发有限公司 | Method for diagnosing engine failure |
| CN104142674B (en) * | 2013-10-21 | 2017-01-25 | 江苏大学 | Multi-input fault diagnosis method for combined harvester |
| CN108762230A (en) * | 2018-05-29 | 2018-11-06 | 江南大学 | One kind being based on Embedded Portable automobile failure diagnosis device and method |
| CN108871781A (en) * | 2018-04-25 | 2018-11-23 | 佛山科学技术学院 | A kind of Fault Diagnosis of Engine and its system |
| CN109109787A (en) * | 2018-07-24 | 2019-01-01 | 辽宁工业大学 | A kind of vehicle running fault monitoring method |
| CN110440907A (en) * | 2019-07-19 | 2019-11-12 | 广州市番通汽车检测有限公司 | A kind of multi-purpose vehicle(MPV) engine noise detection system |
-
2013
- 2013-05-21 CN CN201310189685.4A patent/CN103278329B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142674B (en) * | 2013-10-21 | 2017-01-25 | 江苏大学 | Multi-input fault diagnosis method for combined harvester |
| CN104568446A (en) * | 2014-09-27 | 2015-04-29 | 芜湖扬宇机电技术开发有限公司 | Method for diagnosing engine failure |
| CN108871781A (en) * | 2018-04-25 | 2018-11-23 | 佛山科学技术学院 | A kind of Fault Diagnosis of Engine and its system |
| CN108762230A (en) * | 2018-05-29 | 2018-11-06 | 江南大学 | One kind being based on Embedded Portable automobile failure diagnosis device and method |
| CN109109787A (en) * | 2018-07-24 | 2019-01-01 | 辽宁工业大学 | A kind of vehicle running fault monitoring method |
| CN110440907A (en) * | 2019-07-19 | 2019-11-12 | 广州市番通汽车检测有限公司 | A kind of multi-purpose vehicle(MPV) engine noise detection system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103278329B (en) | 2015-09-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103278329B (en) | Portable handheld automobile engine failure prediction instrument | |
| CN206177890U (en) | Combustible gas concentration detection device with remote alarm function | |
| CN101943682B (en) | Distributed mechanical failures real time monitoring device based on array sound transmitter and method therefor | |
| CN202339393U (en) | Insulation detector of power battery system of electric vehicle | |
| CN101819177A (en) | Ambient air quality monitoring system | |
| CN201716285U (en) | Environment air quality monitoring system | |
| CN103419671B (en) | Plug-in hybrid electric vehicle lithium battery real-time monitoring system | |
| CN107544360A (en) | A kind of cold chain transportation monitoring system based on RFID | |
| CN203216723U (en) | Portable handheld automobile engine failure predictor | |
| CN107907847A (en) | The self-test and self-calibration system and method for high-frequency local discharging on-line checking based on frequency mixing technique | |
| CN202562648U (en) | Temperature remote real-time monitoring device | |
| CN203101981U (en) | Environmental monitoring system | |
| CN110068750A (en) | GIS partial discharge superfrequency method based on wireless network monitors system | |
| CN109407009A (en) | A kind of battery group on-line detecting system and its detection method based on multi-signal acquisition | |
| CN204586381U (en) | Wireless direct-type tire pressure monitoring system | |
| CN108444592A (en) | Wireless vibration monitoring and fault diagnosis system | |
| CN205910555U (en) | Vehicle status foresees system based on thing networking | |
| CN202793980U (en) | Distributed wireless dust measuring instrument | |
| CN203191000U (en) | Multipath temperature and humidity monitor based on radio frequency wireless communication | |
| CN105067552A (en) | Spectrum phased array analysis technology-based infrared gas detecting instrument | |
| CN205827440U (en) | A kind of ETC track signal supervisory instrument | |
| CN202886276U (en) | Low-power-consumption and small-size automobile exhaust analysis equipment | |
| CN206488880U (en) | A kind of vehicle braking force real-time detection apparatus | |
| CN203053487U (en) | Point patrol monitor device | |
| CN203217032U (en) | Line fault data collector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20150930 Termination date: 20180521 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |