CN203965600U - A kind of motor remote fault diagnosis and monitoring system - Google Patents
A kind of motor remote fault diagnosis and monitoring system Download PDFInfo
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- CN203965600U CN203965600U CN201420289493.0U CN201420289493U CN203965600U CN 203965600 U CN203965600 U CN 203965600U CN 201420289493 U CN201420289493 U CN 201420289493U CN 203965600 U CN203965600 U CN 203965600U
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- remote
- analog
- monitoring system
- fault diagnosis
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Abstract
The utility model provides a kind of motor remote fault diagnosis and monitoring system, comprising: main frame, terminating machine and remote data transmission module; Main frame is sent to terminating machine by dual-network in time by motor running condition information, thereby makes staff not use the on-the-spot motor situation of just monitoring; Motor remote fault diagnosis of the present utility model and monitoring system, simple in structure, monitoring accurately, in time, and there is several data teletransmission mode, can monitor efficiently and effectively motor operating state, avoid may occurring in motor operation course overload, ground connection, overvoltage/undervoltage, cross under-frequency and initiation problem.
Description
Technical field
The utility model is specifically related to a kind of motor remote fault diagnosis and monitoring system.
Background technology
In industrial enterprise, motor is widely applied, often exist motor always in running status and unattended situation, in the time there is various fault in motor and can not be found timely cause motor to be burnt and affect the phenomenon of normal production, the fault occurring for motor and the inconvenience that causes maintainer to overhaul that can not go on record; Motor is in operational process, even if operations staff is in the on-the-spot health status that is also difficult to recognize motor operation of operation simultaneously.
In sum, there is following problems in prior art: motor is in the time of operation, the not on-site operation health status that cannot understand motor whenever and wherever possible of staff, causes may occurring in motor operation course overload, ground connection, overvoltage/undervoltage, crosses under-frequency and initiation problem.
Utility model content
The utility model provides a kind of novel motor remote fault diagnosis and monitoring system for addressing the above problem, can remote monitoring motor operation health status.
The technical solution of the utility model is as follows: a kind of motor remote fault diagnosis and monitoring system, comprising: main frame, and described main frame comprises CPU, analog-to-digital conversion module and remote data transmission module; Also comprise supervising device; Described supervising device comprises pressure drag network and current transformer; Voltage and current information when pressure drag network and current transformer are monitored out respectively motor operation; Also comprise shaping circuit, shaping circuit comprises input end and output terminal, and shaping circuit input end connects respectively pressure drag network and current transformer, and output terminal connects analog-to-digital conversion module; Described CPU is connected with analog-to-digital conversion module and remote data transmission module respectively; Described remote data transmission module comprises the Ethernet interface that connects remote computer by Ethernet, also comprises for passing through the radio network interface of the long-range connection hand-held terminal device of wireless network; Described CPU connects respectively described Ethernet interface and radio network interface.
Further, described main frame also comprises storer, and described CPU also comprises the data processing module that the data for storer being exceeded to default storage number of times are automatically deleted and preserved.
Further, described analog-to-digital conversion module comprises AD analog to digital converter and DA digital to analog converter, and AD analog to digital converter and DA digital to analog converter are electrically connected with described central processing unit respectively.
Further, described storer comprises input end and output terminal, and described input end is connected with CPU, and output terminal is connected with remote data transmission module.
Beneficial effect: motor remote fault diagnosis of the present utility model and monitoring system, simple in structure, monitoring is accurate, timely, and has several data teletransmission mode, efficiently and effectively remote monitoring motor operating state.
Main frame, terminating machine, supervising device and remote data transmission module; Described main frame is electrically connected with terminating machine by remote data transmission module; Described supervising device is electrically connected with main frame; Described supervising device is arranged in motor; Described main frame comprises central processing unit and data conversion module; Described data conversion module comprises AD analog to digital converter and DA digital to analog converter, and AD analog to digital converter and DA digital to analog converter are electrically connected with described central processing unit respectively; DA digital to analog converter connects respectively pressure drag network and current transformer, passes through shaping circuit to AD analog to digital converter; Due to AD analog to digital converter in central processing unit only change on the occasion of, and the AC signal that the voltage that front end is sent here, current signal are sign change, cannot directly change, therefore need the reference signal of a 2.5V of DA digital to analog converter output, the direct current signal that is sinusoidal pattern the AC signal lifting of the sign change being collected by pressure drag networking, current transformer, and then send into the conversion of AD analog to digital converter.
For example, supervising device is arranged in motor, voltage and current signal when pressure drag networking summation current transformer records motor operation, the 2.5V reference signal of voltage and the output of current signal lift-launch DA digital to analog converter is by shaping circuit to AD analog to digital converter, and the finish message that central processing unit transforms AD analog to digital converter is again the long-range terminating machine that sends to also.
Brief description of the drawings
Fig. 1 is the utility model fundamental diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
As shown in Figure 1, an embodiment of the present utility model is that a kind of motor remote fault diagnosis and monitoring system, comprising: main frame 101, and described main frame 101 comprises CPU 102, analog-to-digital conversion module and remote data transmission module; Also comprise supervising device; Described supervising device comprises pressure drag network and current transformer; Voltage and current information when pressure drag network and current transformer are monitored out respectively motor operation; Also comprise shaping circuit, shaping circuit comprises input end and output terminal, and shaping circuit input end connects respectively pressure drag network and current transformer, and output terminal connects analog-to-digital conversion module; Shaping circuit is directly sent to analog-to-digital conversion module by information of voltage and current information; Described CPU 102 is connected with analog-to-digital conversion module and remote data transmission module respectively; Described remote data transmission module comprises the Ethernet interface 103 that connects remote computer by Ethernet, also comprises for passing through the radio network interface 104 of the long-range connection hand-held terminal device of wireless network; Described CPU 102 connects respectively described Ethernet interface 103 and radio network interface 104; Information of voltage and current information when pressure drag network and current transformer are respectively used to monitor out motor operation.
Preferred version, described main frame 101 also comprises storer, described CPU 102 also comprises the data processing module that the data for storer being exceeded to default storage number of times are automatically deleted and preserved; For example, the data of 120 left and right of the default storage of storage system, exceed this number of times, and system is deleted data the earliest automatically automatically, makes the data of storage be left latest data, and these data are convenient to operation maintenance personnel the fault occurring is analyzed.
Preferred version, described analog-to-digital conversion module comprises AD analog to digital converter 105 and DA digital to analog converter 106, AD analog to digital converter 105 and DA digital to analog converter 106 are electrically connected with described CPU 102 respectively; DA digital to analog converter 106 connects respectively pressure drag network and current transformer, passes through shaping circuit to AD analog to digital converter 105; Due to 105 conversions of AD analog to digital converter in CPU 102 on the occasion of, and the AC signal that the voltage that front end is sent here, current signal are sign change, cannot directly change, therefore need DA digital to analog converter 106 to export the reference signal of a 2.5V, the direct current signal that is sinusoidal pattern the AC signal lifting of the sign change being collected by pressure drag networking, current transformer, and then send into AD analog to digital converter 105 and change, after converting, by remote data transmission module, Monitoring Data is sent to remote supervisory and control(ling) equipment again.
Preferred version, described main frame also comprises warning circuit; Warning circuit comprises input end and output terminal, and input end is connected with CPU 102, and output terminal connects an audible-visual annunciator.
Preferred version, described storer comprises input end and output terminal, and described input end is connected with CPU 102, and output terminal is connected with remote data transmission module; Preferably, in described storer, store according to the historical data of normal operation under different operating modes in a certain period, in described data center, threshold curve is set, record crucial numerical value and increase continuously, or while exceeding threshold value, can cause warning, remind monitoring personnel in time motor to be adjusted.
Preferred version, also comprises temperature sensor and humidity sensor in described supervising device, temperature sensor and humidity sensor are connected with CPU 102 respectively; CPU 102 is sent to remote supervisory and control(ling) equipment by the temperature of temperature sensor and humidity sensor collection and humidity information by remote data transmission module.
For example, supervising device is arranged in motor, voltage and current signal when pressure drag networking summation current transformer records motor operation, the 2.5V reference signal that voltage and current signal lift-launch DA digital to analog converter 106 are exported is by shaping circuit to AD analog to digital converter 105, and the finish message that CPU 102 transforms AD analog to digital converter 105 more also sends to remote computer by Ethernet; The finish message that and for example CPU 102 transforms AD analog to digital converter 105 also sends to hand-held terminal device by wireless network; Monitoring information can be sent to remote computer and hand-held terminal device confession monitoring personnel record timely and accurately by remote data transmission module.
It should be noted that, above-mentioned each technical characterictic continues combination mutually, forms the various embodiment that do not enumerate in the above, is all considered as the scope that the utility model instructions is recorded; And, for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of the utility model claims.
Claims (4)
1. motor remote fault diagnosis and a monitoring system, is characterized in that, comprising: main frame, and described main frame comprises CPU, data conversion module and remote data transmission module;
Described CPU is connected with data conversion module and remote data transmission module respectively;
Described remote data transmission module comprises the Ethernet interface that connects remote computer by Ethernet, also comprises for passing through the radio network interface of the long-range connection hand-held terminal device of wireless network;
Described CPU connects respectively described Ethernet interface and radio network interface.
2. motor remote fault diagnosis according to claim 1 and monitoring system, is characterized in that, described main frame also comprises storer, and described CPU also comprises the data processing module that the data for storer being exceeded to default storage number of times are automatically deleted and preserved.
3. motor remote fault diagnosis according to claim 1 and monitoring system, it is characterized in that, described data conversion module comprises AD analog to digital converter and DA digital to analog converter, and AD analog to digital converter and DA digital to analog converter are electrically connected with described central processing unit respectively.
4. motor remote fault diagnosis according to claim 2 and monitoring system, is characterized in that, described storer comprises input end and output terminal, and described input end is connected with CPU, and output terminal is connected with remote data transmission module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420289493.0U CN203965600U (en) | 2014-06-03 | 2014-06-03 | A kind of motor remote fault diagnosis and monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420289493.0U CN203965600U (en) | 2014-06-03 | 2014-06-03 | A kind of motor remote fault diagnosis and monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203965600U true CN203965600U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420289493.0U Expired - Fee Related CN203965600U (en) | 2014-06-03 | 2014-06-03 | A kind of motor remote fault diagnosis and monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108173473A (en) * | 2017-12-27 | 2018-06-15 | 淄博京科电气有限公司 | A kind of Remote Control System of Industry Devices based on switched reluctance machines |
| CN108872852A (en) * | 2018-05-04 | 2018-11-23 | 上海交通大学 | A kind of wind-driven generator fault diagnosis system and method |
-
2014
- 2014-06-03 CN CN201420289493.0U patent/CN203965600U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108173473A (en) * | 2017-12-27 | 2018-06-15 | 淄博京科电气有限公司 | A kind of Remote Control System of Industry Devices based on switched reluctance machines |
| CN108872852A (en) * | 2018-05-04 | 2018-11-23 | 上海交通大学 | A kind of wind-driven generator fault diagnosis system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20141126 Termination date: 20150603 |
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| EXPY | Termination of patent right or utility model |