CN203241785U - Embedded fan running condition on-line monitoring and fault diagnosis system - Google Patents
Embedded fan running condition on-line monitoring and fault diagnosis system Download PDFInfo
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- CN203241785U CN203241785U CN 201320135883 CN201320135883U CN203241785U CN 203241785 U CN203241785 U CN 203241785U CN 201320135883 CN201320135883 CN 201320135883 CN 201320135883 U CN201320135883 U CN 201320135883U CN 203241785 U CN203241785 U CN 203241785U
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- ventilation blower
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- fault diagnosis
- fan
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Abstract
The utility model provides an embedded fan running condition on-line monitoring and fault diagnosis system, which is characterized in that: a data acquisition module includes a temperature sensor, a vibration sensor, a wind pressure and wind volume sensor and an intelligent instrument; the data acquisition module can be connected with an embedded hardware system by two ways, including a communication interface and an Ethernet interface; and the embedded hardware system comprises an ARM central processing mechanism for post-processing of data and control of peripheral interfaces, an SD card connected with the ARM central processing mechanism for saving running states of the fan, a mouse and a keyboard for human-computer interaction, a touch screen for real-time display of fan states, a TV-out interface for remote zoom display, an Ethernet port and a serial port for communication, and an audio module for fan abnormal state threshold alarm. The embedded fan running condition on-line monitoring and fault diagnosis system achieves data acquisition, display and fault diagnosis for the fan on embedded devices, helps to improve monitoring reliability and stability, and is reduced in volume and low in costs.
Description
Technical field
The utility model relates to a kind of ventilation blower condition monitoring and failure diagnosis system, and it is specially adapted to the early warning of the monitoring of ventilation blower running status and fault and diagnosis are belonged to industrial monitoring and diagnostic field.
Background technology
Existing ventilation blower monitoring system adopts digital instrument more, the mode of artificial periodic monitor, and each factory building all needs to be equipped with a large amount of human and material resources to guarantee the normal operation of ventilation blower, and real-time is poor.With the fault of artificial cognition ventilation blower, this just causes the maintenance of crossing of ventilation blower easily simultaneously.Another kind of system is that switch board take the PLC controller as core component is as the data acquisition link, carry out communication by Ethernet and host computer, host computer adopts industrial computer to realize the real-time demonstration of ventilation blower running state parameters, reduced to a certain extent people's labour intensity, but the whole system volume is large, installation is complicated, monitoring system based on PC also produces maloperation easily, and system stability has been subject to great impact, has reduced to a great extent monitoring reliability.Up-to-date intelligent monitor system also has based on Embedded, but this monitoring system functional is single, and poor-performing can not satisfy the requirement of industry monitoring and diagnosis far away.
The utility model content
The purpose of this utility model is to provide a kind of ventilation blower running status on-line monitoring and fault diagonosing system, when guaranteeing ventilation blower running state parameters Real-Time Monitoring, ventilation blower is carried out fault pre-alarming and diagnosis, and according to diagnostic result corresponding maintenance suggestion is proposed, improve stability, reliability and the portability of monitoring system and the diversity of function.
The utility model is to adopt following technological means to realize:
A kind of ventilation blower on-line monitoring and fault diagnosis system is characterized in that: comprise temperature sensor, vibration transducer, air pressure air flow sensor and intelligence instrument in the data acquisition module; Data acquisition module has dual mode to connect embedded hardware system, and a kind of is communication interface, and another kind is Ethernet interface;
Described embedded hardware system comprises: the ARM central-processor organization of being responsible for the control of data post-processed and peripheral interface, the SD card that being used for of being connected with the ARM central-processor organization preserves the ventilation blower running status, the mouse-keyboard that is used for man-machine interaction, be used for the touch-screen of in real time demonstration of ventilation blower quantity of state and the TV-out interface that long-range amplification shows, the network interface and the serial ports that are used for communication are for the audio-frequency module of ventilation blower abnormality amount Threshold Alerts.
Further, described communication interface is RS485, and described Ethernet interface is RJ45.
Aforesaid communication bus is RS-485.
Aforesaid extended serial port is RS232.
Native system can pass through the sensor passes data, and by Algorithm Analysis, when breaking down, feedback acknowledgment goes out the position of sensor, thus the location location of fault.
Native system is furnished with the TV-out interface in addition, can be transferred on the giant-screen, realizes that double screen shows, is convenient to observe and demonstration data.
The utility model has been realized a kind of based on embedded ventilation blower on-line monitoring and fault diagnosis system, compared with prior art, has following obvious advantage and beneficial effect.
The utility model is a kind of ventilation blower on-line monitoring and fault diagnosis system based on embedded technology, realization is to the real-time demonstration of ventilation blower monitoring running state amount, the exploit information integration technology is carried out fault diagnosis simultaneously, when diagnostic system monitors the running status of ventilation blower when unusual, system is automatic alarm, and ejects diagnosis report, show the blower fan out-of-the way position, provide rational maintenance suggestion, help the operator to make timely reasonable operation, guarantee to the full extent the safety of ventilation equipment.This Implementation of Embedded System with monitoring technology, fault diagnosis and location technology, the industry networking, the fusion of database multiple technologies is present on the embedded device, monitoring equipment is not available before being, functional diversity, the purposes diversity has been enriched embedded application in the ventilation blower monitoring greatly.This embedded system can unusually reach all parameters to ventilation blower operation conditions and ventilation blower and carry out record, and filing is to the SQLite database, and can with alarm logging with the .txt form store into system with the SD card in, in order to check and data analysis in the future.
Description of drawings
Fig. 1 is connection diagram between two kinds of data acquisition modes and the embedded hardware system module.
Fig. 2 is the data acquisition system (DAS) based on the RS485 communication modes
Fig. 3 is the data acquisition system (DAS) based on the Industrial Ethernet communication modes
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail:
See also shown in Figure 1ly, be the mutual relationship synoptic diagram between each module.In the native system, hardware system mainly is divided into ARM central-processor organization, embedded type bus module, communication module and various peripheral interface.Wherein the embedded type bus module is responsible for front end data acquisition; ARM is responsible for data post-processed and peripheral interface control.Peripheral interface comprises the SD card, is mainly used in the ventilation blower running status is preserved; The mouse-keyboard that is used for man-machine interaction; Be used for the touch-screen that the ventilation blower quantity of state shows in real time; Be used for outputing to the TV-out interface of LCD TV; Be used for network interface and the serial ports of communication, support two kinds of data acquisition modes.A kind of is that serial ports is connected the data transmission that is used for the ventilation blower state parameter with the embedded field module, and another kind is that network interface connects Industrial Ethernet, resolves from network and obtains data; Be used for the audio-frequency module of ventilation blower abnormality amount Threshold Alerts etc.
Seeing also Fig. 2 and shown in Figure 3, is two kinds of ventilation blower state parameter data acquisition modes synoptic diagram.In the data acquisition modes shown in Figure 2, it is a kind of data transfer mode based on industry MODBUS agreement commonly used.Adopting under this acquisition mode, comprise temperature sensors of high precision, high precision negative pressure transducer, high precision vibration transducer, the temperature that possesses the RS485-modbus communication function, negative pressure, vibration and current/voltage intelligence instrument.For can accurately feedback ventilation machine running status, various kinds of sensors has strict mounting means.Ventilation blower and motor bearing temperature sensor probe need to be fixed in before blower housing is installed near the bearing shell surface location, the motor stator temperature sensor should stretch into motor internal near A, B, C stator surface, the negative tube of negative pressure transducer should be installed on ventilation blower outer wall ventilation mouth place, and vibration transducer should be installed on ventilation blower x, the z direction shell and link to each other with fastening bolt.High-precision temperature, negative pressure, vibration transducer are connected with intelligence instrument respectively.Intelligence instrument is all supported the RS485-modbus communication modes, 485 interfaces of intelligence instrument adopt special-purpose 485 twisted-pair shielded wires to link to each other, the mode of connection has adopted daisy chain topology (hand in hand on-link mode (OLM)), its major advantage provides the Extended Capabilities Port of centralized management, and intelligence instrument is realized data communication through the RS485 Embedded Hardware Platform.
In the data acquisition modes shown in Figure 3, adopt the Industrial Ethernet data transfer mode based on ICP/IP protocol.Under this acquisition mode, it comprises temperature sensor, negative pressure transducer, vibration transducer, the temperature that possesses the RS485-modbus communication function and current/voltage intelligence instrument, the I/O module of direct connecting sensor, PLC Programmable Logic Controller, ethernet module.The catenation principle of sensor is the same.This data transmission based on Industrial Ethernet is followed ICP/IP protocol, is Full-open, total digitalization, can realize the devices interconnect between different vendor, and hardware and software cost is cheap, can realize the seamless link of industrial monitoring and control network and company information network.Adopt this acquisition mode, native system can carry out detection and diagnosis in the optional position of industrial monitoring and control network.
In the native system, the collecting unit by sensor and intelligence instrument form will gather the running state of mine fan amount.The status signal that collects by RS485 communication bus (perhaps Industrial Ethernet) with based on the embedded monitoring and diagnosis platform communication of ARM, under the control of arm processor the ventilation blower quantity of state being sent into display device shows in real time, as exceptional value occurs and can control the audio-frequency module warning of sounding, diagnose the position of being out of order, provide maintenance suggestion, and the ventilation blower running state data is saved in the expansion SD card.
It should be noted that at last: above embodiment is only in order to illustrate the utility model and the described technical scheme of unrestricted the utility model; Therefore, although this instructions has been described in detail the utility model with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the utility model; And all do not break away from technical scheme and the improvement thereof of the spirit and scope of utility model, and it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (2)
1. embedded ventilation blower running status on-line monitoring and fault diagnosis system is characterized in that: comprise temperature sensor, vibration transducer, air pressure air flow sensor and intelligence instrument in the data acquisition module; Data acquisition module has dual mode to connect embedded hardware system, and a kind of is communication interface, and another kind is Ethernet interface;
Described embedded hardware system comprises: the ARM central-processor organization of being responsible for the control of data post-processed and peripheral interface, the SD card that being used for of being connected with the ARM central-processor organization preserves the ventilation blower running status, the mouse-keyboard that is used for man-machine interaction, be used for the touch-screen of in real time demonstration of ventilation blower quantity of state and the TV-out interface that long-range amplification shows, the network interface and the serial ports that are used for communication are for the audio-frequency module of ventilation blower abnormality amount Threshold Alerts.
2. embedded ventilation blower running status on-line monitoring according to claim 1 and fault diagnosis system, it is characterized in that: described communication interface is RS485, described Ethernet interface is RJ45.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320135883 CN203241785U (en) | 2013-03-24 | 2013-03-24 | Embedded fan running condition on-line monitoring and fault diagnosis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320135883 CN203241785U (en) | 2013-03-24 | 2013-03-24 | Embedded fan running condition on-line monitoring and fault diagnosis system |
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| Publication Number | Publication Date |
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| CN203241785U true CN203241785U (en) | 2013-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320135883 Expired - Fee Related CN203241785U (en) | 2013-03-24 | 2013-03-24 | Embedded fan running condition on-line monitoring and fault diagnosis system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103207604A (en) * | 2013-03-24 | 2013-07-17 | 北京工业大学 | Online monitoring and fault diagnosis system of operating state of embedded ventilator |
| CN106855428A (en) * | 2015-12-09 | 2017-06-16 | 周卫华 | Portable air quantity calibration equipment |
-
2013
- 2013-03-24 CN CN 201320135883 patent/CN203241785U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103207604A (en) * | 2013-03-24 | 2013-07-17 | 北京工业大学 | Online monitoring and fault diagnosis system of operating state of embedded ventilator |
| CN106855428A (en) * | 2015-12-09 | 2017-06-16 | 周卫华 | Portable air quantity calibration equipment |
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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: 20131016 Termination date: 20140324 |