CN202255643U - Monitoring protection device for rotary machinery - Google Patents
Monitoring protection device for rotary machinery Download PDFInfo
- Publication number
- CN202255643U CN202255643U CN2011203172675U CN201120317267U CN202255643U CN 202255643 U CN202255643 U CN 202255643U CN 2011203172675 U CN2011203172675 U CN 2011203172675U CN 201120317267 U CN201120317267 U CN 201120317267U CN 202255643 U CN202255643 U CN 202255643U
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- signal
- monitoring
- protecting device
- vibration
- temperature
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Abstract
The utility model discloses a monitoring protection device for rotary machinery. The monitoring protection device comprises a signal collection unit, a signal processing unit, a control unit and a warning unit. The warning on the abnormal state is realized through carrying out signal collection on temperature and vibration, processing the signals and comparing the signals to preset signals. The device realizes the effective monitoring and warning on the rotary machinery through the duplex monitoring on the temperature and the vibration.
Description
Technical field
The utility model relates to mechanical design field, particularly relates to a kind of monitoring and protecting device that is used for rotating machinery.
Background technology
Rotating machinery often produces vibration at work; Vibration can make efficient reduce, and load increases, and makes some parts wears; Tired and shorten the life-span; And vibration also can worsen people's work situation (like noise etc.), and violent vibration will directly influence the operate as normal of rotating machinery, will jeopardize personal safety and cause device damage when serious.So must monitor and protect to the vibration of rotating machinery.
Monitoring temperature is widely used in the scene temperature collection, adopts industry thermal resistance temperature sensor commonly used, adopts the three-wire type input; Effectively avoided error on the line of thermal resistance; Improve temperature measurement accuracy, be convenient for measuring all temps, when temperature surpasses the setting alarming value; Alarm actuating contact is provided, relevant device is effectively protected.
The utility model content
For achieving the above object, the technical scheme of the utility model provides a kind of monitoring and protecting device that is used for rotating machinery, and this monitoring and protecting device comprises:
Signal gathering unit, this signal gathering unit links to each other with rotating machinery, so that rotating machinery is carried out signals collecting, obtains temperature original signal and vibration original signal;
Signal processing unit is handled temperature original signal and vibration original signal, to obtain temperature signal and vibration signal respectively;
Control module, this control module are used for temperature signal that is obtained and vibration signal are compared with preset temperature alerting signal and preset vibration signal respectively, according to comparative result output temperature alarm command and/or vibration alarming instruction;
Alarm unit, this alarm unit links to each other with control module, when receiving the temperature alarming instruction, to send heat alarm, when receiving the vibration alarming instruction, sends the vibration alarming signal.
Preferably, this vibration original signal is by the vibration transducer collection, and this temperature original signal is by the temperature sensor collection.
Preferably, this monitoring and protecting device also comprises power supply, is used to whole said monitoring and protecting device power supply.
Preferably, this monitoring and protecting device also comprises input block, and this input block is positioned on the shell of this monitoring and protecting device, is used to carry out the parameter setting.
Preferably, this alarm unit comprises a plurality of pilot lamp, and these a plurality of pilot lamp are positioned on the shell of this monitoring and protecting device, is used for indicated temperature alerting signal and vibration alarming signal.
Preferably, this monitoring and protecting device also comprises display unit, and this display unit is positioned on the shell of this monitoring and protecting device, is used for temperature signal and vibration signal are shown.
The monitoring and protecting device that the utility model provided adopts temperature signal and the dual monitoring of vibration signal, has and monitors accuracy and reliability preferably; The maloperation in the use has been avoided in the design of warning delay unit.
Description of drawings
Fig. 1 is the schematic block circuit diagram of the monitoring and protecting device that is used for rotating machinery of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the embodiment of the utility model is described in further detail.Following examples are used to explain the utility model, but are not used for limiting the scope of the utility model.
As shown in Figure 1; Show the monitoring and protecting device that is used for rotating machinery of the utility model; This monitoring and protecting device comprises: signal gathering unit, and it comprises two vibration transducers and two temperature sensors, links to each other with rotating machinery respectively; So that rotating machinery is carried out signals collecting, and obtain temperature original signal and vibration original signal; Signal processing unit; Temperature original signal and vibration original signal are handled; Signal processing unit is followed successively by filtering, amplification and A/D conversion for the processing of temperature original signal; Signal processing unit is followed successively by detection, amplification, rectifying and wave-filtering and A/D conversion for the processing of vibration original signal, thereby obtains temperature signal and vibration signal respectively; Control module, this control module comprises MCU, it is used for temperature signal that is obtained and vibration signal are compared with preset temperature alerting signal and preset vibration signal respectively, according to comparative result output temperature alarm command and/or vibration alarming instruction respectively; Alarm unit; This alarm unit links to each other with the MCU of control module; This alarm unit comprises a plurality of pilot lamp (be preferably four, show that respectively four tunnel report to the police), and these a plurality of pilot lamp are arranged on the shell of monitoring and protecting device; When receiving the temperature alarming instruction, to send heat alarm, when receiving the vibration alarming instruction, send the vibration alarming signal.This monitoring and protecting device also comprises input block, and this input block is positioned on the shell of this monitoring and protecting device, is used to carry out the parameter setting.This monitoring and protecting device also comprises display unit, and this display unit is shown that by charactron this display unit is positioned on the shell of this monitoring and protecting device, is used for temperature signal and vibration signal are shown.This monitoring and protecting device also comprises power supply, is used to whole monitoring and protecting device power supply.
The monitoring and protecting device that is used for rotating machinery also comprises optical isolation, and exportable 4 road 4-20mA analog quantitys.No. four alarm relaies are used to realize that four the tunnel report to the police and delayed alarm.
The above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model know-why, can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (6)
1. monitoring and protecting device that is used for rotating machinery, this monitoring and protecting device comprises:
Signal gathering unit, this signal gathering unit links to each other with rotating machinery, so that rotating machinery is carried out signals collecting, obtains temperature original signal and vibration original signal;
Signal processing unit is handled temperature original signal and vibration original signal, to obtain temperature signal and vibration signal respectively;
Control module, this control module are used for temperature signal that is obtained and vibration signal are compared with preset temperature alerting signal and preset vibration signal respectively, according to comparative result output temperature alarm command and/or vibration alarming instruction;
Alarm unit, this alarm unit links to each other with control module, when receiving the temperature alarming instruction, to send heat alarm, when receiving the vibration alarming instruction, sends the vibration alarming signal.
2. monitoring and protecting device as claimed in claim 1 is characterized in that, this vibration original signal is by the vibration transducer collection, and this temperature original signal is by the temperature sensor collection.
3. monitoring and protecting device as claimed in claim 2 is characterized in that this monitoring and protecting device also comprises power supply, is used to whole said monitoring and protecting device power supply.
4. monitoring and protecting device as claimed in claim 3 is characterized in that this monitoring and protecting device also comprises input block, and this input block is positioned on the shell of this monitoring and protecting device, is used to carry out the parameter setting.
5. monitoring and protecting device as claimed in claim 4 is characterized in that this alarm unit comprises a plurality of pilot lamp, and these a plurality of pilot lamp are positioned at the housing exterior of this monitoring and protecting device, is used for indicated temperature alerting signal and vibration alarming signal.
6. monitoring and protecting device as claimed in claim 5 is characterized in that this monitoring and protecting device also comprises display unit, and this display unit is positioned on the shell of this monitoring and protecting device, is used for temperature signal and vibration signal are shown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203172675U CN202255643U (en) | 2011-08-29 | 2011-08-29 | Monitoring protection device for rotary machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203172675U CN202255643U (en) | 2011-08-29 | 2011-08-29 | Monitoring protection device for rotary machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202255643U true CN202255643U (en) | 2012-05-30 |
Family
ID=46116868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203172675U Expired - Fee Related CN202255643U (en) | 2011-08-29 | 2011-08-29 | Monitoring protection device for rotary machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202255643U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941327A (en) * | 2018-01-03 | 2018-04-20 | 浙江中自庆安新能源技术有限公司 | The monitoring method and monitoring device of a kind of mechanical equipment |
| CN110100158A (en) * | 2017-03-13 | 2019-08-06 | 欧姆龙株式会社 | The condition monitoring system of whirler, the state monitoring method of whirler, program and storage medium |
-
2011
- 2011-08-29 CN CN2011203172675U patent/CN202255643U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110100158A (en) * | 2017-03-13 | 2019-08-06 | 欧姆龙株式会社 | The condition monitoring system of whirler, the state monitoring method of whirler, program and storage medium |
| CN107941327A (en) * | 2018-01-03 | 2018-04-20 | 浙江中自庆安新能源技术有限公司 | The monitoring method and monitoring device of a kind of mechanical 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: 20120530 Termination date: 20120829 |