CN201711223U - Centrifugal machine rotation speed monitoring device - Google Patents
Centrifugal machine rotation speed monitoring device Download PDFInfo
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- CN201711223U CN201711223U CN2009202924780U CN200920292478U CN201711223U CN 201711223 U CN201711223 U CN 201711223U CN 2009202924780 U CN2009202924780 U CN 2009202924780U CN 200920292478 U CN200920292478 U CN 200920292478U CN 201711223 U CN201711223 U CN 201711223U
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Abstract
The utility model belongs to the field of automatic control and particularly relates to a centrifugal machine rotation speed monitoring device. The device adopting a distributing monitoring structure is divided into a data management layer (a server and an operation station), a unit data processing layer (unit stations), and a section data acquisition layer (section frequency measuring cabinets) from top to bottom. The data server completes data exchange and data storage among the unit stations and the operation station, and each unit station is responsible for receiving centrifugal machine frequency data transmitted from the section frequency measuring cabinets, judging the running state of a centrifugal machine according to the measured centrifugal machine frequency data, forming an alarm signal when a centrifugal frequency value deviates from a specified value, and automatically transmitting the alarm signal to the data server via Ethernet and simultaneously can receive the instruction of an operator via the data server to transmit the frequency data of the centrifugal machine to the data server via the Ethernet according to the demand of the operator. The centrifugal machine rotation speed monitoring device has the advantages of simple structure, high instantaneity and reliability and the like.
Description
Technical field
The utility model belongs to automation control area, specifically a kind of centrifuge speed monitoring device.
Background technology
The centrifuge speed monitoring device is in order to measure the rotating speed of main all centrifuges of process system in real time; and the tachometer value that foundation is measured is monitored the running status of centrifuge; when centrifuge speed is lower than the limit value of regulation, form automatically and damage or of-step signal; and alarm signal is sent to the control room notifies the operator on duty to take corresponding measure; when satisfying certain condition, the quantity of centrifuge damage or step-out produces the accident protection signal automatically; close unit and stop feed and discharging automatically, main process system is produced protective effect.
At present, existing centrifuge speed monitoring device adopts the synchro system design, be to adopt analog quantity to transmit to exchange the centrifuge speed value between its section frequency rotating speed amount cabinet and the control room operation display device, adopt level signal to transmit and exchange alarm signal and command signal.Its complex structure, function singleness, maintainable extreme difference, stability is extremely unreliable, problems and defectives such as false alarm often occur.In addition, also have operating desk or display panel fault, data can't normally show, operate the shortcoming that can't normally carry out.
Domestic traditional industry measurement and control system communication mode generally all adopts BITBUS and RS485, the shortcoming of these two kinds of communication modes is that data transmission efficiency is low, bring out instantly simultaneously when now unusual, data can not be uploaded immediately, the flexibility extreme difference, be unsuitable for the system that real-time is had relatively high expectations, especially error processing capacity is not strong, can not guarantee the reliability of data.
Summary of the invention
The purpose of this utility model is to provide a kind of employing distributed monitoring structure, simple in structure, real-time and centrifuge speed monitoring device that reliability is high.
Realize the technical scheme of the purpose of this utility model: a kind of centrifuge speed monitoring device is characterized in that: comprise data management layer, unit data analysis layer and sector data acquisition layer, wherein:
The data management layer is by 2 redundant data servers, 2 redundant each other active station and 1 master network switches, data server is as data switching center, finish exchanges data and data storage between unit station and the active station, active station is finished demonstration, record and the printing of centrifuge frequency measurement, alarm signal, also is responsible for the functions such as inquiry of transmission, record and the historical data of complete operation person's order;
The unit data analysis layer, comprise some units station, each unit station is responsible for the reception area band frequency and is measured the centrifuge frequency data that cabinet sends, judge the running status of centrifuge according to the centrifuge frequency data of measuring, when departing from setting, the centrifuge frequency values forms alarm signal, and alarm signal is sent from the trend data server by Ethernet, can also receive simultaneously operator's order by data server, send to data server by Ethernet according to operator's requirement frequency data with centrifuge;
The sector data acquisition layer, comprise some section tachometric survey cabinets, it finishes the measurement of a section centrifuge speed, and by the CAN bus measurement data is sent to the unit station, and sends measured value to the unit station by the CAN bus according to the request at unit station.
The beneficial effects of the utility model: (1) the present invention compare with synchro system, adopt the ethernet communication technology, digital quantity transmission and level signal, analog quantity transmission are compared, have data reliability height, message transmission rate height (be 10～100Mbit/s), advantage such as real-time is good, antijamming capability is strong.(2) the present invention adopts active station and server redundancy technology, has guaranteed the continuity and the whole system data synchronization of system data, and a plurality of active stations can be operated system simultaneously, have improved the stability and the practicality of system.Have the function that a plurality of active stations are operated different unit stations simultaneously, and, when some active stations or one of them server failure, not influencing the operate as normal of whole system, the integrality of system data can not be affected yet.(3) application CAN bussing technique is realized the exchanges data between data collection layer frequency measurement unit and the data analysis layer unit station, that the CAN bus has is real-time, reliability is high, simple in structure, interoperability good, advantage such as cheap, overcome the defective of traditional industrial bus.
Description of drawings
Fig. 1 is the structural representation of a kind of centrifuge speed monitoring device of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As shown in Figure 1, a kind of centrifuge speed monitoring device.Adopting the distributed monitoring structure, is the line of demarcation with the dotted line, is divided into from top to bottom to be data management layer (server, active station), unit data analysis layer (unit station), sector data acquisition layer 3 parts.
The data management layer is made up of 2 redundant servers, 2 (can expand to 10) redundant each other active station, 1 switch (being with 1 100/1000M fiber port at least), 1 printing server and 1 laser printer.Data server is as data switching center, finish exchanges data and data storage between unit station and the active station, active station is mainly finished demonstration, record and the printing of centrifuge frequency measurement, alarm signal, also is responsible for the functions such as inquiry of transmission, record and the historical data of complete operation person's order.
The unit data analysis layer is made up of 34 unit stations, each unit station is responsible for the reception area band frequency and is measured the centrifuge frequency data that cabinet (1～4) sends, judge the running status of centrifuge according to the centrifuge frequency data of measuring, when departing from setting, the centrifuge frequency values forms alarm signal, and alarm signal is sent from the trend server by Ethernet, can also receive simultaneously operator's order by server, send to server by Ethernet according to operator's requirement frequency data with centrifuge.
The sector data acquisition layer is mainly become by 1 tachometric survey group, finishes the measurement of a section centrifuge speed, and by the CAN bus measurement data is sent to the unit station, and send measured value to the unit station by the CAN bus according to the request at unit station.
Employing ethernet communication technology realizes the data communication between data management layer and the unit data analysis layer, and the server with 2 redundancies between active station, server, the unit station is that core constitutes LAN.Unit station and active station are realized exchanges data by 2000 databases of the SQL in the access server, and alarm signal, centrifuge speed value, command signal are all carried out the digital quantity transmission by Ethernet.
Adopt the CAN bus as the communication bus between unit station and the frequency measurement unit.The application of CAN bussing technique has reduced cost of the present invention, and makes each frequency senser to disperse to install according to the structure of process system.
Claims (2)
1. centrifuge speed monitoring device is characterized in that: comprise data management layer, unit data analysis layer and sector data acquisition layer, wherein:
The data management layer, comprise 2 redundant data servers, 2 redundant each other active station and 1 master network switches, data server is as data switching center, finish exchanges data and data storage between unit station and the active station, active station is finished demonstration, record and the printing of centrifuge frequency measurement, alarm signal, also is responsible for the query function of transmission, record and the historical data of complete operation person's order;
The unit data analysis layer, comprise some units station, each unit station is responsible for the reception area band frequency and is measured the centrifuge frequency data that cabinet sends, judge the running status of centrifuge according to the centrifuge frequency data of measuring, when departing from setting, the centrifuge frequency values forms alarm signal, and alarm signal is sent from the trend data server by Ethernet, can also receive simultaneously operator's order by data server, send to data server by Ethernet according to operator's requirement frequency data with centrifuge;
The sector data acquisition layer, comprise some section tachometric survey cabinets, it finishes the measurement of a section centrifuge speed, and by the CAN bus measurement data is sent to the unit station, and sends measured value to the unit station by the CAN bus according to the request at unit station.
2. a kind of centrifuge speed monitoring device as claimed in claim 1, it is characterized in that: the employing ethernet communication is realized the data communication between data management layer and the unit data analysis layer, server with 2 redundancies between active station, data server, the unit station is that core constitutes LAN, unit station and active station are realized exchanges data by the database in the access server, and alarm signal, centrifuge speed value, command signal are all carried out the digital quantity transmission by Ethernet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202924780U CN201711223U (en) | 2009-12-11 | 2009-12-11 | Centrifugal machine rotation speed monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202924780U CN201711223U (en) | 2009-12-11 | 2009-12-11 | Centrifugal machine rotation speed monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201711223U true CN201711223U (en) | 2011-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202924780U Expired - Lifetime CN201711223U (en) | 2009-12-11 | 2009-12-11 | Centrifugal machine rotation speed monitoring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201711223U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102279594A (en) * | 2011-05-09 | 2011-12-14 | 祁冬 | Networked measuring system for rotating speeds and friction power consumption of group gas centrifuges |
| CN102353803A (en) * | 2011-06-07 | 2012-02-15 | 陕西精进测控设备有限公司 | Collecting and distributing racking type centrifuge rotating speed and friction power consumption measuring method |
-
2009
- 2009-12-11 CN CN2009202924780U patent/CN201711223U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102279594A (en) * | 2011-05-09 | 2011-12-14 | 祁冬 | Networked measuring system for rotating speeds and friction power consumption of group gas centrifuges |
| CN102279594B (en) * | 2011-05-09 | 2015-05-20 | 祁冬 | Networked measuring system for rotating speeds and friction power consumption of group gas centrifuges |
| CN102353803A (en) * | 2011-06-07 | 2012-02-15 | 陕西精进测控设备有限公司 | Collecting and distributing racking type centrifuge rotating speed and friction power consumption measuring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: CNNC Shanyou Hanzhong Electromechanical Equipment Manufacturing Co., Ltd. Assignor: CNNC Shaanxi Uranium Enrichment Co., Ltd. Contract record no.: 2013610000004 Denomination of utility model: Centrifugal machine rotation speed monitoring device Granted publication date: 20110119 License type: Exclusive License Record date: 20130311 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110119 |
|
| CX01 | Expiry of patent term |