CN201819805U - Fault diagnosis device of motor vehicle running gear - Google Patents
Fault diagnosis device of motor vehicle running gear Download PDFInfo
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- CN201819805U CN201819805U CN2010201272956U CN201020127295U CN201819805U CN 201819805 U CN201819805 U CN 201819805U CN 2010201272956 U CN2010201272956 U CN 2010201272956U CN 201020127295 U CN201020127295 U CN 201020127295U CN 201819805 U CN201819805 U CN 201819805U
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- motor vehicle
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- insulation spacer
- vehicle traveling
- digital signal
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Abstract
The utility model discloses a fault diagnosis device of a motor vehicle running gear, which comprises a multifunctional sensor, wherein the multifunctional sensor comprises a vibration detecting component, a temperature sensor, a junction box, a first adjusting plate and a digital signal processing board card, the temperature sensor is arranged on the vibration detecting component, the junction box is connected with the multifunctional sensor, the first adjusting plate is connected with the junction box, and an electrode in the vibration detecting component is connected with the digital signal processing board card by the junction box and the first adjusting plate. The fault diagnosis on the motor vehicle running gear can be carried out accurately in time by the fault diagnosis device.
Description
Technical field
The utility model relates to a kind of motor vehicle traveling portion trouble-shooter.
Background technology
Bearing and gear are the base components in the plant equipment, and they are widely used among motor locomotive, plant equipment, aircraft, tank and the naval vessel, and are in their significant points.Because bearing is often ensconced in the box body wall deeply, the installation requirement height, be difficult to strip inspection, make us can't accurately understand its state, thereby tend to because some glitch can not get detecting timely and get rid of, finally cause a series of major accident of mechanized equipment, give production and product quality so that people's lives and properties bring the loss that is difficult to estimate.And, do not have the mechanical fault diagnosis product of maturation in the market for a long time because electromechanics separates, theoretical disengaging practice.
At present bearing, gear are carried out fault diagnosis, generally adopt axle temperature annunciator, come failure judgement according to temperature.Yet, even there are mechanical fault in bearing, gear, before fault worsens rapidly, from fault state worsen rapidly occur temperature rise to time that accident takes place often less than 10 minutes, temperature regime and normal bearing almost as broad as long (generally having only tens degrees centigrade difference), thereby adopt the bearing temperature alarm device can't fundamentally avoid accident to take place.And this device reliability and poor stability, often wrong report.
At often not prompt enough when motor vehicle traveling portion is carried out fault diagnosis in the correlation technique, and the problem of reliability and stability difference, effective solution is not proposed at present as yet.
The utility model content
At often not prompt enough when motor vehicle traveling portion is carried out fault diagnosis, and the problem of reliability and stability difference and propose the utility model, for this reason, fundamental purpose of the present utility model is to provide a kind of motor vehicle traveling portion trouble-shooter, to address the above problem.
To achieve these goals, according to an aspect of the present utility model, provide a kind of motor vehicle traveling portion trouble-shooter.
Comprise according to motor vehicle traveling of the present utility model portion trouble-shooter: Multifunction Sensor, this Multifunction Sensor comprises: the vibration detection assembly; Temperature sensor is installed on the vibration detection assembly; Terminal box is connected with Multifunction Sensor; First conditioning plate is connected with terminal box; The digital signal panel card, wherein, the electrode in the vibration detection assembly is connected in the digital signal panel card via the terminal box and first conditioning plate.
Preferably, said apparatus also comprises: the digital signal processing panel display is connected with the digital signal panel card.
Preferably, said apparatus also comprises: the cab display is connected with the digital signal panel card.
Preferably, said apparatus also comprises: storer is connected with the digital signal panel card.
Preferably, said apparatus also comprises: locomotive speed sensor is connected with the digital signal panel card via second conditioning plate.
Preferably, above-mentioned digital signal panel card comprises: data add window unit; The data filtering unit adds window unit with data and is connected; The twiddle factor computing unit is connected with the data filtering unit; The Fast Fourier Transform (FFT) unit; Be connected with the twiddle factor computing unit; Diagnostic system is connected with the Fast Fourier Transform (FFT) unit; The failure-frequency computing unit is connected with diagnostic system with the failure-frequency computing unit.
Preferably, above-mentioned vibration detection assembly comprises: the vibration detection parts; First sheet metal and second sheet metal place the both sides up and down of vibration detection parts respectively; First insulation spacer and second insulation spacer, first insulation spacer places the upside of first sheet metal, and second insulation spacer places the downside of second sheet metal; Mass is positioned at the first insulation spacer upside; Sensor base is positioned at the second insulation spacer downside; And fixture, wherein, first insulation spacer, second insulation spacer, first sheet metal and second sheet metal are fixed on the sensor base via fixture.
Preferably, the said temperature sensor is fixed on the sensor base.
Preferably, the vibration detection parts comprise: first piezoelectric ceramics; Second piezoelectric ceramics, wherein, first piezoelectric ceramics is connected via fixture with second piezoelectric ceramics.
Preferably, above-mentioned fixing piece is a gib screw, and wherein, gib screw passes first insulation spacer, second insulation spacer, first sheet metal and second sheet metal and is anchored on the sensor base.
By the utility model, adopt following structure: Multifunction Sensor comprises: the vibration detection assembly; Temperature sensor is installed on the vibration detection assembly; Terminal box is connected with Multifunction Sensor; First conditioning plate is connected with terminal box; The digital signal panel card, wherein, electrode in the vibration detection assembly is connected in the digital signal panel card via the terminal box and first conditioning plate, solved when motor vehicle traveling portion is carried out fault diagnosis often not prompt enough, and the problem of reliability and stability difference, and then reached the effect of timely and accurately motor vehicle traveling portion being carried out fault diagnosis.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.In the accompanying drawings:
Fig. 1 is the synoptic diagram according to the motor vehicle traveling portion trouble-shooter of the utility model embodiment;
Fig. 2 is the synoptic diagram according to the digital signal panel card of the utility model embodiment;
Fig. 3 is the process flow diagram according to the motor vehicle traveling portion method for diagnosing faults of the utility model embodiment;
Fig. 4 is the synoptic diagram according to Multifunction Sensor in the motor vehicle traveling portion trouble-shooter of the utility model embodiment.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
According to embodiment of the present utility model, provide a kind of motor vehicle traveling portion trouble-shooter.
As shown in Figure 1, this motor vehicle traveling portion trouble-shooter comprises: Multifunction Sensor, and this Multifunction Sensor comprises: the vibration detection assembly; Temperature sensor (8) is installed on the vibration detection assembly; Terminal box is connected with Multifunction Sensor; First conditioning plate is connected with terminal box; The digital signal panel card, wherein, the electrode in the vibration detection assembly is connected in the digital signal panel card via the terminal box and first conditioning plate.
Motor vehicle traveling portion trouble-shooter can also comprise the digital signal processing panel display, is connected with the digital signal panel card.This digital signal processing (Digital SignalProcessing abbreviates DSP as) panel display can carry out information demonstration, warning and parameter setting.According to this embodiment, can show out of order various specifying information, and make the related personnel can know the generation of fault in time.
Motor vehicle traveling portion trouble-shooter can also comprise the cab display, is connected with the digital signal panel card.This cab display can carry out information demonstration, warning and parameter setting equally.Thereby can make the driver can know fault in time.
Motor vehicle traveling portion trouble-shooter can also comprise storer, is connected with the digital signal panel card.Thereby can store failure message.
Motor vehicle traveling portion trouble-shooter can also comprise locomotive speed sensor, is connected with the digital signal panel card via second conditioning plate.By this embodiment, can the speed of locomotive be detected.Thereby can come tracing trouble to speed analysis.
As shown in Figure 1, vibration is input to terminal box with temperature signal, terminal box carries out signal after channel selecting, the amplification impact signal to be input to conditioning plate, temperature signal is input to the dsp board card by 485 buses, and the function of dsp board card is to gather impact signal (simulating signal sampling), speed sampling, communication, data processing and diagnosis, warning decision-making.The DSP panel display is used for information demonstration, warning and parameter setting.The cab display is used for: information demonstration, warning and parameter setting.USB interface externally is a standard USB socket, is used for data conversion storage to USB flash disk.Conditioning plate is input to the dsp board card after the square-wave signal of locomotive speed sensor is isolated amplification.Vehicle speed signal on the motor car is input to the dsp board card after amplification is followed.
Fig. 2 is the synoptic diagram according to the digital signal panel card of the utility model embodiment.
As shown in Figure 2, the digital signal panel card can comprise: data add window unit 201; Data filtering unit 202 adds window unit 201 with described data and is connected; Twiddle factor computing unit 203 is connected with described data filtering unit 202; Fast Fourier Transform (FFT) unit 205; Be connected with described twiddle factor computing unit 203; Diagnostic system 204 is connected with described Fast Fourier Transform (FFT) unit 205; Failure-frequency computing unit 206 is connected with described diagnostic system 204 with described Fast Fourier Transform (FFT) unit 205.
Fig. 3 is the process flow diagram according to the motor vehicle traveling portion method for diagnosing faults of the utility model embodiment.
As shown in Figures 2 and 3, impact signal through two secondary data windowings after, obtain data, pass through data filtering then, can remove gibberish.Calculate twiddle factor through twice then and calculate, do the FFT conversion again, according to the result of FFT conversion, the automatic diagnosis expert system has just calculated actual failure-frequency.When calculating the physical fault frequency, whether consistent with the physical fault frequency with reference to theoretical failure-frequency, theoretical failure-frequency calculates by tach signal.Simultaneously will be with reference to the SV value after the process weighted calculation, the real-time monitor temperature of automatic diagnosis expert system, temperature exceeding standard also can be judged to be fault.Software systems are supported data storage, can be with data conversion storage to USB flash disk.
Fig. 4 is the synoptic diagram according to Multifunction Sensor in the motor vehicle traveling portion trouble-shooter of the utility model embodiment.
As shown in Figure 4, the fault diagnosis according to locomotive running gear of the present utility model portion comprises with Multifunction Sensor: the vibration detection assembly; Temperature sensor 8 is installed on the vibration detection assembly.
The utility model is integrated in temperature sensor and vibration detection assembly on the sensor, when there is fault in plant equipment and because fault when seriously causing temperature sharply to raise gradually, this sensor can in time detect fault-signal, and if only have fault but temperature when not raising sensor also can in time detect the concurrent signal that is out of order, the staff can collect fault-signal and remove fault in the shortest time.Wherein, the utility model embodiment temperature sensor can adopt the axle temperature detection chip.
Among the utility model embodiment, can axle temperature detection chip and vibration detection assembly is integrated on the sensor, this sensor is installed on the bearing, can sense mechanical vibration and temperature simultaneously.Wherein, the vibration detection assembly can be the vibration piezoelectric sensor.
As shown in Figure 4, the vibration detection assembly can comprise: the vibration detection parts; First sheet metal 31 and second sheet metal 32 place the both sides up and down of vibration detection parts respectively; First insulation spacer 21 and second insulation spacer, 22, the first insulation spacers 21 place the upside of first sheet metal 31, and second insulation spacer 22 places the downside of second sheet metal 32; Mass 1 is positioned at first insulation spacer, 21 upsides; Sensor base 9 is positioned at second insulation spacer, 22 downsides; And fixture, wherein, first insulation spacer 21, second insulation spacer 22, first sheet metal 31 and second sheet metal 32 are fixed on the sensor base 9 via fixture.
Temperature sensor 8 is fixed on the sensor base 9.Wherein, temperature sensor 8 can be the axle temperature detection chip.Be used to realize detect in real time axle temperature among the utility model embodiment.
Second insulation spacer 22 abuts on the sensor base 6, and first insulation spacer 21 abuts on the mass 1.
First insulation spacer 21 abuts on first sheet metal 31, and second insulation spacer 22 abuts on second sheet metal 32.
Wherein, first sheet metal 31 and second sheet metal 32 all can be copper sheet.
Wherein, first sheet metal 31 is connected in the positive pole of outer detecting circuit, and second sheet metal 32 is connected in the negative pole of outer detecting circuit.
As shown in Figure 4, vibration transducer of the present invention can consist of the following components: mass 1, insulation spacer 21 or 22, copper sheet 31 or 32, piezoelectric ceramics 41 or 42, gib screw 5, sensor base 9 and temperature sensor 8.Wherein, a slice insulation spacer 22 is placed on the sensor base 9, contact fully, a slice copper sheet 32 is placed on the insulation spacer 22, contact fully, two piezoelectric ceramics 41 contact with 32 with copper sheet 31 fully with 42, and a slice copper sheet 31 contacts fully with piezoelectric ceramics 41, a slice insulation spacer 2 contacts fully with copper sheet 3, and two piezoelectric ceramics contact fully.In the present embodiment, two copper sheets are connected with the positive and negative polarities of outer detecting circuit respectively, be used to connect outer detecting circuit, for sensor provides outer detecting circuit, two piezoelectric ceramics that are clipped in the middle of the copper sheet are used to respond to external signal, work as plant equipment, preferably produce mechanical fault as the bearing that is connected with the utility model Multifunction Sensor, piezoelectric ceramics is sensed pressure, promptly collects the fault state from the transmission of fault bearing, the fault electric signal that piezoelectric ceramics is sensed transmission.
In the present embodiment, two copper sheets are connected with the outer detecting circuit positive and negative polarities respectively, be used for electric signal output, two piezoelectric ceramics that are clipped in the middle of the copper sheet are used for the induction vibration signal, work as plant equipment, preferably produce mechanical fault as the bearing that is connected with the utility model Multifunction Sensor, piezoelectric ceramics is sensed vibration, promptly collect fault state, the fault electric signal that piezoelectric ceramics is sensed transmission from the transmission of fault bearing.
The vibration detection parts of vibration detection assembly comprise in the present embodiment: first piezoelectric ceramics 41; Second piezoelectric ceramics 42, wherein, first piezoelectric ceramics 41 is connected via fixture with second piezoelectric ceramics 42, and both closely contact.
Wherein, fixture can be gib screw 5, and wherein, gib screw 5 passes first insulation spacer 21, second insulation spacer 22, first sheet metal 31 and second sheet metal 32 and is anchored on the sensor base 9.
Preferably, mass 1 contacts fully with insulation spacer 21, and gib screw 5 passes all parts, be tightened on the sensor base 9, keep sensor closely to be connected with plant equipment, mass is used for each parts of tight sensor internal, makes sensing more quick and precisely.
The present invention adopts Multifunction Sensor, simultaneously inductive kick and temperature signal.By conditioning plate impact signal is nursed one's health into clean frequency signal, gather this frequency signal and temperature signal then and analyze, finally draw diagnosis.
From above description, as can be seen, the utility model has been realized following technique effect: remedied the axle temperature detecting device and detected wrong deficiency, not only can detect axle temperature in real time, simultaneously can detect mechanical fault in real time, and can transmit electric signal by the pressure extrusion sheet metal of piezoelectric ceramics, sensor detects mechanical fault in real time according to the duty of electric signal judgement plant equipment.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a motor vehicle traveling portion trouble-shooter is characterized in that, comprising:
Multifunction Sensor, this Multifunction Sensor comprises:
The vibration detection assembly;
Temperature sensor (8) is installed on the described vibration detection assembly;
Terminal box is connected with described Multifunction Sensor;
First conditioning plate is connected with described terminal box;
The digital signal panel card,
Wherein, the electrode in the described vibration detection assembly is connected in described digital signal panel card via described terminal box and described first conditioning plate.
2. motor vehicle traveling according to claim 1 portion trouble-shooter is characterized in that, also comprises:
The digital signal processing panel display is connected with described digital signal panel card.
3. motor vehicle traveling according to claim 1 portion trouble-shooter is characterized in that, also comprises:
The cab display is connected with described digital signal panel card.
4. motor vehicle traveling according to claim 1 portion trouble-shooter is characterized in that, also comprises:
Storer is connected with described digital signal panel card.
5. motor vehicle traveling according to claim 1 portion trouble-shooter is characterized in that, also comprises:
Locomotive speed sensor is connected with described digital signal panel card via second conditioning plate.
6. according to each described motor vehicle traveling portion trouble-shooter in the claim 1 to 5, it is characterized in that described digital signal panel card comprises:
Data add window unit;
The data filtering unit adds window unit with described data and is connected;
The twiddle factor computing unit is connected with described data filtering unit;
The Fast Fourier Transform (FFT) unit; Be connected with described twiddle factor computing unit;
Diagnostic system is connected with described Fast Fourier Transform (FFT) unit;
The failure-frequency computing unit is connected with described diagnostic system with described Fast Fourier Transform (FFT) unit.
7. according to each described motor vehicle traveling portion trouble-shooter in the claim 1 to 5, it is characterized in that described vibration detection assembly comprises:
The vibration detection parts;
First sheet metal (31) and second sheet metal (32) place the both sides up and down of described vibration detection parts respectively;
First insulation spacer (21) and second insulation spacer (22), described first insulation spacer (21) places the upside of described first sheet metal (31), and described second insulation spacer (22) places the downside of described second sheet metal (32);
Mass (1) is positioned at described first insulation spacer (21) upside;
Sensor base (9) is positioned at described second insulation spacer (22) downside; And
Fixture,
Wherein, described first insulation spacer (21), described second insulation spacer (22), described first sheet metal (31) and described second sheet metal (32) are fixed on the described sensor base (9) via described fixture.
8. motor vehicle traveling according to claim 7 portion trouble-shooter is characterized in that described temperature sensor (8) is fixed on the described sensor base (9).
9. motor vehicle traveling according to claim 7 portion trouble-shooter is characterized in that described vibration detection parts comprise:
First piezoelectric ceramics (41);
Second piezoelectric ceramics (42), wherein,
First piezoelectric ceramics (41) is connected via described fixture with described second piezoelectric ceramics (42).
10. motor vehicle traveling according to claim 7 portion trouble-shooter, it is characterized in that, described fixture is gib screw (5), wherein, described gib screw (5) passes described first insulation spacer (21), described second insulation spacer (22), described first sheet metal (31) and described second sheet metal (32) and is anchored on the described sensor base (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201272956U CN201819805U (en) | 2010-03-10 | 2010-03-10 | Fault diagnosis device of motor vehicle running gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201272956U CN201819805U (en) | 2010-03-10 | 2010-03-10 | Fault diagnosis device of motor vehicle running gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201819805U true CN201819805U (en) | 2011-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201272956U Expired - Lifetime CN201819805U (en) | 2010-03-10 | 2010-03-10 | Fault diagnosis device of motor vehicle running gear |
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| CN (1) | CN201819805U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234622A (en) * | 2013-04-19 | 2013-08-07 | 杭州电子科技大学 | Device and method for diagnosing valve failure based on throttling excitation characteristics of valve port |
| CN103576659A (en) * | 2013-11-13 | 2014-02-12 | 柳州职业技术学院 | Automobile abnormal sound fault self-diagnosis system and method |
| CN105698859A (en) * | 2016-02-20 | 2016-06-22 | 湖南科技大学 | Train running part state monitoring multi-parameter sensor |
| CZ306889B6 (en) * | 2011-08-26 | 2017-08-30 | Viditech Spol. S R. O. | A method of securing machines against vibrations and a device for implementing this method |
| CN110775107A (en) * | 2018-07-30 | 2020-02-11 | 西安英特迈思信息科技有限公司 | Big data health management device for gearbox of running gear of high-speed locomotive |
-
2010
- 2010-03-10 CN CN2010201272956U patent/CN201819805U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ306889B6 (en) * | 2011-08-26 | 2017-08-30 | Viditech Spol. S R. O. | A method of securing machines against vibrations and a device for implementing this method |
| CN103234622A (en) * | 2013-04-19 | 2013-08-07 | 杭州电子科技大学 | Device and method for diagnosing valve failure based on throttling excitation characteristics of valve port |
| CN103576659A (en) * | 2013-11-13 | 2014-02-12 | 柳州职业技术学院 | Automobile abnormal sound fault self-diagnosis system and method |
| CN105698859A (en) * | 2016-02-20 | 2016-06-22 | 湖南科技大学 | Train running part state monitoring multi-parameter sensor |
| CN105698859B (en) * | 2016-02-20 | 2017-10-17 | 湖南科技大学 | Multi-parameter sensor for train EEF bogie status monitoring |
| CN110775107A (en) * | 2018-07-30 | 2020-02-11 | 西安英特迈思信息科技有限公司 | Big data health management device for gearbox of running gear of high-speed locomotive |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 410205 No. 68 Du Rong Road, Yuelu District, Changsha, Hunan Patentee after: Hunan Yung Da intelligent transmission Limited by Share Ltd. Address before: 410205 No. 68 Du Rong Road, Yuelu District, Changsha, Hunan Patentee before: Hunan Yung Da vehicle transmission Limited by Share Ltd. Address after: 410205 No. 68 Du Rong Road, Yuelu District, Changsha, Hunan Patentee after: Hunan Yung Da vehicle transmission Limited by Share Ltd. Address before: 410205 No. 68 Du Rong Road, Yuelu District, Changsha, Hunan Patentee before: HUNAN JIANGLU & RONGDA VEHICLE TRANSMISSION Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110504 |