CN110779721A - Fault detection system - Google Patents
Fault detection system Download PDFInfo
- Publication number
- CN110779721A CN110779721A CN201911175856.1A CN201911175856A CN110779721A CN 110779721 A CN110779721 A CN 110779721A CN 201911175856 A CN201911175856 A CN 201911175856A CN 110779721 A CN110779721 A CN 110779721A
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- China
- Prior art keywords
- module
- transmission system
- alarm
- fault
- control module
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/028—Acoustic or vibration analysis
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
Abstract
The invention discloses a fault detection system, which is applied to a coal mine underground transmission system and comprises: the signal acquisition module is used for acquiring a vibration signal generated by the transmission system; the data processing module is connected with the signal acquisition module and is used for judging whether the transmission system has a fault or not; the control module is connected with the data processing module; and the alarm module is coupled with the control module and used for giving an alarm prompt to the underground conveying state, wherein when the control module judges that the vibration signal fails, the control module controls the alarm module to give an alarm. The system can accurately detect whether the transmission system breaks down, so that the influence of the transmission system fault on a coal mine conveying system can be avoided, and the safety production can be ensured.
Description
Technical Field
The invention relates to the field of equipment detection, in particular to a fault detection system.
Background
The coal conveying transmission system used under the coal mine is an important layer component for conveying coal, and the existing coal mine transmission system has no specific fault detection function. Once the coal mine transmission conveying system breaks down, the mechanical performance of the coal mine conveying system can be seriously influenced, and if the coal mine transmission conveying system is not replaced in time, hidden dangers are generated on the safe operation of the transmission conveying system.
Disclosure of Invention
The invention aims to solve one of the problems in the prior art, and provides a fault detection system which can accurately detect whether a transmission system has a fault or not, so that the influence of the fault of the transmission system on a coal mine conveying system can be avoided, and the safety production can be ensured.
In order to achieve the above object, the present invention provides a fault detection system for a coal mine underground transmission system, comprising:
the signal acquisition module is used for acquiring a vibration signal generated by the transmission system;
the data processing module is connected with the signal acquisition module and is used for judging whether the transmission system has a fault or not;
the control module is connected with the data processing module; and
the alarm module is coupled with the control module and used for giving an alarm prompt to the underground conveying state,
when the control module judges that the vibration signal fails, the control module controls the alarm module to give an alarm.
In the technical scheme, the signal acquisition module is used for measuring the vibration signal of the transmission system, the vibration signal is transmitted to the data processing module, whether the transmission system breaks down or not is judged after the data processing module processes the vibration signal, and when the transmission system breaks down, the control module controls the alarm module to give an alarm, so that the influence of the transmission system fault on the coal mine conveying system can be avoided, and the safety production can be ensured.
In addition, the fault detection system according to the present invention may further have the following technical features:
further, the data processing module comprises:
the operation unit is used for carrying out FFT processing on the vibration signal to obtain characteristic frequency;
and the comparison unit is used for acquiring the characteristic frequency of the operation unit, comparing the characteristic frequency with the fault frequency and judging whether the transmission system has a fault according to the condition whether the characteristic frequency is equal to the fault frequency.
Further, the signal acquisition modules are multiple and are arranged at XYZ three mutually perpendicular positions of the transmission system.
Preferably, the alarm module comprises a buzzer, and the buzzer is connected with the control module to control the alarm of the buzzer.
Preferably, the signal acquisition module comprises an acceleration sensor.
Drawings
Fig. 1 is a schematic diagram of a fault detection system.
In the figure, a signal acquisition module 10; a data processing module 20; a control module 30; and an alarm module 40.
Detailed Description
The invention will be further explained with reference to the drawings.
The invention discloses a fault detection system applied to a coal mine underground transmission system, which comprises: the system comprises a signal acquisition module 10, a data processing module 20, a control module 30 and an alarm module 40.
The signal acquisition module 10 is used for acquiring a vibration signal generated by the transmission system, and the signal acquisition module 10 is used for acquiring a vibration signal generated by the transmission system; preferably, the signal acquisition module 10 comprises an acceleration sensor.
The data processing module 20, the data processing module 20 is connected to the signal acquisition module 10, and is used for judging whether the transmission system fails;
the control module 30, the said control module 30 couples to said data handling module 20; and
an alarm module 40, wherein the alarm module 40 is coupled to the control module 30, and is used for giving an alarm to the underground conveying state,
when the control module 30 determines that the vibration signal fails, the control module 30 controls the alarm module 40 to alarm.
It can be understood that the signal acquisition module 10 measures the vibration signal of the transmission system, and transmits the vibration signal to the data processing module 20, and the data processing module 20 processes the vibration signal to determine whether the transmission system has a fault, and when the transmission system has a fault, the control module 30 controls the alarm module 40 to alarm, so that the influence of the fault of the transmission system on the coal mine conveying system can be avoided, and the safety production can be ensured.
In one example of the present invention, the data processing module 20 includes:
the operation unit is used for carrying out FFT processing on the vibration signal to obtain characteristic frequency; that is, fourier transform (FFT) processing is performed on the vibration signal to obtain a frequency domain signal of the vibration signal, and the characteristic frequency can be obtained from the frequency domain signal.
The comparison unit is used for acquiring the characteristic frequency of the operation unit, comparing the characteristic frequency with the fault frequency and judging whether the transmission system has a fault according to the condition whether the characteristic frequency is equal to the fault frequency; that is, the failure frequency of the transmission system is input into the comparison unit in advance, the characteristic frequencies and the failure frequencies are compared in a one-to-one correspondence mode through the comparison unit, and if one of the characteristic frequencies is equal to the failure frequency, a failure occurs.
Further, the signal acquisition module 10 is multiple and arranged at three mutually perpendicular positions of XYZ of the transmission system. Therefore, the paths for transmitting the vibration signals can be reduced as much as possible, accurate vibration signals can be obtained, and the vibration condition of a certain position can be measured more accurately by arranging the acceleration sensors on the transmission system, so that the measurement result is more accurate.
Preferably, the alarm module 40 includes a buzzer, and the buzzer is connected to the control module 30 to control the alarm of the buzzer, and the alarm signal triggers the buzzer to generate an alarm, so that the worker can arrive at the site in time for processing.
The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.
Those skilled in the art will appreciate that various features of the various embodiments of the invention described hereinabove may be omitted, added to, or combined in any manner, respectively. Moreover, simple modifications and structural modifications that are adaptive and functional to those skilled in the art are within the scope of the present invention.
While the invention has been shown and described with reference to various embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (5)
1. A fault detection system is applied to a coal mine underground transmission system and is characterized by comprising:
the signal acquisition module is used for acquiring a vibration signal generated by the transmission system;
the data processing module is connected with the signal acquisition module and is used for judging whether the transmission system has a fault or not;
the control module is connected with the data processing module; and
the alarm module is coupled with the control module and used for giving an alarm prompt to the underground conveying state,
when the control module judges that the vibration signal fails, the control module controls the alarm module to give an alarm.
2. The fault detection system of claim 1, wherein the data processing module comprises:
the operation unit is used for carrying out FFT processing on the vibration signal to obtain characteristic frequency;
and the comparison unit is used for acquiring the characteristic frequency of the operation unit, comparing the characteristic frequency with the fault frequency and judging whether the transmission system has a fault according to the condition whether the characteristic frequency is equal to the fault frequency.
3. The fault detection system according to claim 1, wherein the signal acquisition module is plural and is arranged at XYZ three mutually perpendicular positions of the transmission system.
4. The fault detection system of claim 1, wherein the alarm module comprises a buzzer, the buzzer being coupled to the control module to control the alarm of the buzzer.
5. The fault detection system of claim 1, wherein the signal acquisition module comprises an acceleration sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911175856.1A CN110779721A (en) | 2019-11-26 | 2019-11-26 | Fault detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911175856.1A CN110779721A (en) | 2019-11-26 | 2019-11-26 | Fault detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110779721A true CN110779721A (en) | 2020-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911175856.1A Pending CN110779721A (en) | 2019-11-26 | 2019-11-26 | Fault detection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250674A (en) * | 2021-04-27 | 2021-08-13 | 山东恒信电器集团有限公司 | Electric control system for petroleum drilling equipment |
Citations (5)
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|---|---|---|---|---|
| CN102840976A (en) * | 2012-08-24 | 2012-12-26 | 武汉钢铁(集团)公司 | Detection method for rolling machine main drive system |
| CN104776996A (en) * | 2015-04-22 | 2015-07-15 | 青岛新源联合动力工程有限公司 | Device and method for monitoring vibration condition of mine hoisting system |
| CN104833510A (en) * | 2015-05-25 | 2015-08-12 | 山东钢铁股份有限公司 | Acceleration four-phase frequency bearing fault diagnosis method |
| CN107271170A (en) * | 2017-07-12 | 2017-10-20 | 西安因联信息科技有限公司 | The automatic diagnosis method and system of a kind of mechanical equipment fault type |
| CN109520716A (en) * | 2018-11-16 | 2019-03-26 | 江苏师范大学 | A kind of conveyer belt dynamic mechanical test device |
-
2019
- 2019-11-26 CN CN201911175856.1A patent/CN110779721A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840976A (en) * | 2012-08-24 | 2012-12-26 | 武汉钢铁(集团)公司 | Detection method for rolling machine main drive system |
| CN104776996A (en) * | 2015-04-22 | 2015-07-15 | 青岛新源联合动力工程有限公司 | Device and method for monitoring vibration condition of mine hoisting system |
| CN104833510A (en) * | 2015-05-25 | 2015-08-12 | 山东钢铁股份有限公司 | Acceleration four-phase frequency bearing fault diagnosis method |
| CN107271170A (en) * | 2017-07-12 | 2017-10-20 | 西安因联信息科技有限公司 | The automatic diagnosis method and system of a kind of mechanical equipment fault type |
| CN109520716A (en) * | 2018-11-16 | 2019-03-26 | 江苏师范大学 | A kind of conveyer belt dynamic mechanical test device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250674A (en) * | 2021-04-27 | 2021-08-13 | 山东恒信电器集团有限公司 | Electric control system for petroleum drilling equipment |
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Application publication date: 20200211 |