CN205388488U - Rotating machinery of thermal power plant state monitoring system based on embedded pair of server - Google Patents
Rotating machinery of thermal power plant state monitoring system based on embedded pair of server Download PDFInfo
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- CN205388488U CN205388488U CN201620172158.1U CN201620172158U CN205388488U CN 205388488 U CN205388488 U CN 205388488U CN 201620172158 U CN201620172158 U CN 201620172158U CN 205388488 U CN205388488 U CN 205388488U
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Abstract
The utility model provides a rotating machinery of thermal power plant state monitoring system based on embedded pair of server helps improving the reliability and the usable degree of rotating machinery equipment. The system includes: sensor group, signal conditioning circuit, analog -to -digital conversion module, central server, database, FTP server, surveillance center and communication unit, sensor group for obtain the state information and the key looks signal of rotating machinery equipment, signal conditioning circuit for enlarge, filtering handles, analog -to -digital conversion module for the sampling, and the state information of the rotating machinery equipment after will sampling carries out analog -to -digital conversion, the central server for generate the monitor information of rotating machinery equipment state, the surveillance center for the monitor information who shows the rotating machinery equipment state, the FTP server for realize monitoring file download. The utility model is suitable for a fire power plant monitoring technical field.
Description
Technical field
This utility model relates to thermal power plant's monitoring technical field, particularly relates to a kind of thermal power plant's rotary-machine state monitoring system based on Embedded Double server.
Background technology
Along with the current power plants plant level supervisory information system of the development of automatic technology, communication technology and informationization technology is popularized, the performance management of the rotating machinery in thermal power plant includes parametric degree, device level and system-level equipment on-line monitoring and performance diagnogtics, rotating machinery includes large rotating machinery equipment, small rotary machinery equipment, wherein, large rotating machinery equipment includes: draws rotating machinery, send rotating machinery, a rotating machinery, desulfurization supercharging rotating machinery etc.；Small rotary machinery equipment includes: sealing rotating machinery, oxidation rotating machinery, flame failure protection rotating machinery, axle take out rotating machinery etc.; rotating machinery plays very important effect in thermal power plant's safe and stable operation; along with rotating machinery runs the change of time and running environment; the dynamic property of rotating machinery also changes at any time, and running status and the actual performance of accurately understanding current all rotating machineries are also realize the basis of rotating machinery fault diagnosis, early warning.
In prior art, many thermal power plants all have begun to pay attention to the monitoring to rotating machinery state, introduce various states monitoring technology, but, the rotating machinery status information of sensor group collection is adopted simulation process method by currently used rotating machinery condition monitoring system mostly, and monitoring point is single, it is distributed to be formed without, cause that the monitoring result of system is inaccurate.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of thermal power plant's rotary-machine state monitoring system based on Embedded Double server, with solve monitoring point existing for prior art single, the inaccurate problem of monitoring result.
For solving above-mentioned technical problem, this utility model embodiment provides a kind of thermal power plant's rotary-machine state monitoring system based on Embedded Double server, including: sensor group, signal conditioning circuit, analog-to-digital conversion module, central server, data base, ftp server, Surveillance center and communication unit；
Described sensor group, for obtaining status information and the key signal of rotating machinery；
Described signal conditioning circuit, for being amplified status information and the key signal of the rotating machinery got, Filtering Processing；
Described analog-to-digital conversion module, for the frequency according to the key signal after processing, carries out synchronized sampling to the status information of the rotating machinery after processing, and the status information of the rotating machinery after sampling is carried out analog digital conversion；
Described central server, for the status information according to the rotating machinery after analog digital conversion, generate the monitoring information of rotating machinery state and described monitoring information is stored to data base, it is additionally operable to the HTTP request message sent according to Surveillance center, from data base, read corresponding information, and send in the form of a web page to Surveillance center；
Described Surveillance center, for showing the monitoring information of rotating machinery state；
Described ftp server, for the file download request sent according to Surveillance center, reads corresponding document, it is achieved monitoring file download from data base.
Alternatively, described analog-to-digital conversion module includes: analog-digital converter and analog-digital conversion control circuit；
Described analog-digital conversion control circuit, analog digital conversion is carried out for starting analog-digital converter, when each passage of analog-digital converter to gather processed by signal conditioning circuit after the status information of rotating machinery carry out analog digital conversion after, send interrupt requests notice central server to central server and read the status information of the rotating machinery after analog digital conversion；
Described analog-digital converter: at least one line state information of the rotating machinery after being processed being carried out synchronized sampling by signal conditioning circuit, and described status information after sampling is carried out analog digital conversion.
Alternatively, each sampling channel of described analog-digital converter includes sampling holder, described sampling holder, for ensureing that what each sampling channel gathered is the status information of the rotating machinery of synchronization.
Alternatively, described analog-digital conversion control circuit includes: key signal is every straight translation circuit, key signal shaping circuit, frequency multiplication of phase locked loop circuit and sampled point control circuit；
Described sampled point control circuit, for the frequency according to the key signal after being processed by signal conditioning circuit, it is determined that the sampled point N in a cycle；
Key signal after straight translation every straight translation circuit, for carrying out the key signal after being processed by signal conditioning circuit every straight translation, and is accessed key signal shaping circuit by described key signal；
Described key signal shaping circuit, for the key signal after straight translation accessed is carried out shaping, and accesses frequency multiplication of phase locked loop circuit by the key signal after the shaping of output；
Described frequency multiplication of phase locked loop circuit, for according to having determined that the sampled point N in a cycle, makes N process of frequency multiplication, phase contrast constant by the key signal after the shaping of access, and the key signal after N frequency multiplication is as the enabling signal of described analog-digital converter.
Alternatively, described central server, it is additionally operable to the interrupt requests sent according to analog-digital conversion control circuit, it is successively read the ADC value of each passage of analog-digital converter, generate the monitoring information of rotating machinery state and described monitoring information is stored to data base, it is additionally operable to the HTTP request message sent according to Surveillance center, from data base, reads corresponding information, and send in the form of a web page to Surveillance center.
Alternatively, described data base includes: steady state data storehouse, transient data storehouse；
Described steady state data storehouse, for the monitoring information under the rotating machinery steady-state operating condition that storage center server is sent；
Described transient data storehouse, for the monitoring information in the rotating machinery start and stop moment that storage center server is sent.
Alternatively, described Surveillance center includes: local monitor is Surveillance center centrally and remotely；
Described local monitor is centrally through LAN in factory and described central server or ftp server communication；
Described remote monitoring center connects the Internet or wide area network by LAN in factory, and by described the Internet or wide area network and described central server or ftp server communication.
Alternatively, described system also includes: power module, for providing running voltage for described sensor group, signal conditioning circuit, analog-to-digital conversion module, central server, data base, ftp server, Surveillance center and communication unit.
Having the beneficial effect that of technique scheme of the present utility model:
nullIn such scheme，Status information and the key signal of rotating machinery is obtained by sensor group，Described sensor group includes at least 1 sensor，It is distributed in each monitoring point preset，It is amplified by the signal conditioning circuit status information by the rotating machinery got and key signal again、Filtering Processing，And pass through the analog-to-digital conversion module frequency according to the key signal after processing，The status information of the rotating machinery after processing is carried out synchronized sampling，The status information of the rotating machinery after sampling is carried out analog digital conversion simultaneously，Again through the central server status information according to the rotating machinery after analog digital conversion，Generate the monitoring information of rotating machinery state and described monitoring information is stored to data base，The HTTP request message that described central server can also send according to Surveillance center，Corresponding information is read from data base，And send in the form of a web page to Surveillance center，The monitoring information of rotating machinery state is shown by Surveillance center，Described Surveillance center can also be directly realized by monitoring file download by ftp server.So, the status information obtaining rotating machinery by being distributed in the sensor of different monitoring points is formed distributed, and by analog-to-digital conversion module, the status information of the rotating machinery for analogue signal is converted into digital signal, generated the monitoring information of rotating machinery state by central server again and be distributed to Surveillance center, this monitoring information is comprehensive, with a high credibility, it is easy to staff and observes the running status of rotating machinery, the abnormal operating condition of rotating machinery can be found in time, it is thus possible to improve the reliability of rotating machinery, available degree, service life and production efficiency, and it is directly realized by monitoring file download by ftp server, the speed of monitoring file download can be improved.
Accompanying drawing explanation
The structural representation of the thermal power plant's rotary-machine state monitoring system based on Embedded Double server that Fig. 1 provides for this utility model embodiment；
The structural representation of the AD7874 that Fig. 2 provides for this utility model embodiment；
The normal rolling schematic diagram that Fig. 3 provides for this utility model embodiment；
The frequency multiplication of phase locked loop circuit theory diagrams that Fig. 4 provides for this utility model embodiment；
The circuit theory diagrams of the AD7874 that Fig. 5 provides for this utility model embodiment.
Detailed description of the invention
For making the technical problems to be solved in the utility model, technical scheme and advantage clearly, it is described in detail below in conjunction with the accompanying drawings and the specific embodiments.
This utility model is single for existing monitoring point, the inaccurate problem of monitoring result, it is provided that a kind of thermal power plant's rotary-machine state monitoring system based on Embedded Double server.
Embodiment one
Shown in Fig. 1, the thermal power plant's rotary-machine state monitoring system based on Embedded Double server that this utility model embodiment provides, including: sensor group, signal conditioning circuit, analog-to-digital conversion module, central server, data base, ftp server, Surveillance center and communication unit；
Described sensor group, for obtaining status information and the key signal of rotating machinery；
Described signal conditioning circuit, for being amplified status information and the key signal of the rotating machinery got, Filtering Processing；
Described analog-to-digital conversion module, for the frequency according to the key signal after processing, carries out synchronized sampling to the status information of the rotating machinery after processing, and the status information of the rotating machinery after sampling is carried out analog digital conversion；
Described central server, for the status information according to the rotating machinery after analog digital conversion, generate the monitoring information of rotating machinery state and described monitoring information is stored to data base, it is additionally operable to the HTTP request message sent according to Surveillance center, from data base, read corresponding information, and send in the form of a web page to Surveillance center；
Described Surveillance center, for showing the monitoring information of rotating machinery state；
Described ftp server, for the file download request sent according to Surveillance center, reads corresponding document, it is achieved monitoring file download from data base.
nullThe thermal power plant's rotary-machine state monitoring system based on Embedded Double server described in this utility model embodiment，Status information and the key signal of rotating machinery is obtained by sensor group，Described sensor group includes at least 1 sensor，It is distributed in each monitoring point preset，It is amplified by the signal conditioning circuit status information by the rotating machinery got and key signal again、Filtering Processing，And pass through the analog-to-digital conversion module frequency according to the key signal after processing，The status information of the rotating machinery after processing is carried out synchronized sampling，The status information of the rotating machinery after sampling is carried out analog digital conversion simultaneously，Again through the central server status information according to the rotating machinery after analog digital conversion，Generate the monitoring information of rotating machinery state and described monitoring information is stored to data base，The HTTP request message that described central server can also send according to Surveillance center，Corresponding information is read from data base，And send in the form of a web page to Surveillance center，The monitoring information of rotating machinery state is shown by Surveillance center，Described Surveillance center can also be directly realized by monitoring file download by ftp server.So, the status information obtaining rotating machinery by being distributed in the sensor of different monitoring points is formed distributed, and by analog-to-digital conversion module, the status information of the rotating machinery for analogue signal is converted into digital signal, generated the monitoring information of rotating machinery state by central server again and be distributed to Surveillance center, this monitoring information is comprehensive, with a high credibility, it is easy to staff and observes the running status of rotating machinery, the abnormal operating condition of rotating machinery can be found in time, it is thus possible to improve the reliability of rotating machinery, available degree, service life and production efficiency, and it is directly realized by monitoring file download by ftp server, the speed of monitoring file download can be improved.
In this utility model embodiment, the signal that can characterize rotating machinery running status is a lot, such as rotating speed, electric vortex vibrating displacement, magneto-electric vibration velocity signal, temperature signal, pressure signal etc., feature according to fault is different, and the sensitivity of rotating machinery fault is also differed by various signals.Rotating machinery belongs to high-speed rotating machine, vibration is its phenomenon necessarily occurred in running, it contains substantial amounts of information in rotating machinery running, when rotating machinery breaks down, fault message is necessarily included in vibration signal, therefore the detection to vibration signal and analysis are passed through, it may be determined that the fault state of rotating machinery.Certainly, the status monitoring parameter of thermal power plant's rotating machinery, based on vibration parameters, takes into account the technological parameter such as temperature, pressure and the electrical parameter such as voltage, electric current simultaneously.Therefore, described sensor group may include that temperature sensor, pressure transducer, noise transducer, vibrating sensor, key phase device etc..
Aforementioned based in the detailed description of the invention of thermal power plant's rotary-machine state monitoring system of Embedded Double server, alternatively, described analog-to-digital conversion module includes: analog-digital converter and analog-digital conversion control circuit；
Described analog-digital conversion control circuit, analog digital conversion is carried out for starting analog-digital converter, when each passage of analog-digital converter to gather processed by signal conditioning circuit after the status information of rotating machinery carry out analog digital conversion after, send interrupt requests notice central server to central server and read the status information of the rotating machinery after analog digital conversion；
Described analog-digital converter: at least one line state information of the rotating machinery after being processed being carried out synchronized sampling by signal conditioning circuit, and described status information after sampling is carried out analog digital conversion.
In this utility model embodiment, the vibration detection of the dispersion monitoring point mainly through each is preset monitors the state of rotating machinery, multiple spot vibration detection needs multiple signals are carried out phase place correlation Analysis, it requires row Multi-path synchronous sampling that multiple sensor passages are spouted.Analog-to-digital conversion module is for ensureing that the multiple signals of all measurements are to obtain under synchronization, and described analog-to-digital conversion module includes analog-digital conversion control circuit and analog-digital converter.The status information of the rotating machinery of the collection of each passage is carried out analog digital conversion for controlling analog-digital converter by described analog-digital conversion control circuit, and sends interrupt requests notice central server to central server and read the status information of the rotating machinery after analog digital conversion.
Aforementioned based in the detailed description of the invention of thermal power plant's rotary-machine state monitoring system of Embedded Double server, alternatively, each sampling channel of described analog-digital converter includes sampling holder, described sampling holder, for ensureing that what each sampling channel gathered is the status information of the rotating machinery of synchronization.
Shown in Fig. 2, in this utility model embodiment, such as, described analog-to-digital conversion module can be AD7874 chip, and four sampling channels of AD7874 chip all with sampling holder, can ensure that the signal for synchronization of each channel acquisition during sampling, there is no phase error, and the sample frequency of each passage is up to 29KHz, speed is fast, goes to gather the status information of the rotating machinery of output after being processed by signal conditioning circuit by the four of AD7874 chip sampling channels.Select one by one four passages are carried out analog digital conversion respectively by a variable connector, data after conversion are stored in the data register in sheet, after four passages all convert, the status information of the rotating machinery after sending interrupt requests notice central server reading analog digital conversion to central server.The mode of this reading data greatly saves the resource of central server.
Aforementioned based in the detailed description of the invention of thermal power plant's rotary-machine state monitoring system of Embedded Double server, alternatively, described analog-digital conversion control circuit includes: key signal is every straight translation circuit, key signal shaping circuit, frequency multiplication of phase locked loop circuit and sampled point control circuit；
Described sampled point control circuit, for the frequency according to the key signal after being processed by signal conditioning circuit, it is determined that the sampled point N in a cycle；
Key signal after straight translation every straight translation circuit, for carrying out the key signal after being processed by signal conditioning circuit every straight translation, and is accessed key signal shaping circuit by described key signal；
Described key signal shaping circuit, for the key signal after straight translation accessed is carried out shaping, and accesses frequency multiplication of phase locked loop circuit by the key signal after the shaping of output；
Described frequency multiplication of phase locked loop circuit, for according to having determined that the sampled point N in a cycle, makes N process of frequency multiplication, phase contrast constant by the key signal after the shaping of access, and the key signal after N frequency multiplication is as the enabling signal of described analog-digital converter.
In this utility model embodiment, the fact that be concentrated mainly on the integral multiple of rotational frequency in view of rotating machinery vibration signal frequency content, integer-period sampled can conveniently realizing is adopted to obtain analysis of spectrum result accurately and reliably with the time domain data of Quantity Economics, it is to avoid leakage effect during discrete Fourier transform (DFT) and fence effect.So native system requires to adopt same phase integer-period sampled.Periodic sampling 64 point during native system requirement more than key signal frequency 10Hz (including 10Hz), 16 cycles of continuous sampling；Periodic sampling 128 point during below 10Hz, 8 cycles of continuous sampling.Realize integer-period sampled it is crucial that how the cycle that one complete is divided evenly into N decile and samples, namely realize N frequency multiplication (N is the sampling number in the cycle).Showing rotating machinery required time that rotates a circle referring to Fig. 3 is the key signal cycle, this cycle is done N decile, can realize sampling N point data in the signal period.At invariablenes turning speed, namely when signal frequency is constant, the interval of sampling can be calculated with software, but when rotation speed change, especially it is difficult to trend and the size of prediction rotation speed change by computed in software when rotation speed change is very fast, namely realize highly difficult, the analysis method of hardware is have employed for this, namely using analog-digital conversion control circuit, described analog-digital conversion control circuit includes: key signal is every straight translation circuit, key signal shaping circuit, frequency multiplication of phase locked loop circuit and sampled point control circuit.
In this utility model embodiment, the key signal PULSE_OUTPUT exported every straight translation circuit is accessed key signal shaping circuit and carries out shaping, and using the key signal PLL_INPUT of the key signal shaping circuit output input signal as frequency multiplication of phase locked loop circuit, shown in Fig. 4, described frequency multiplication of phase locked loop circuit adopts phase-locked loop chip CD4046, PLL_INPUT comes from key signal shaping circuit, PUBLICK_CLK is produced by sampled point control circuit, in the present system, the frequency being differentiated key signal by sampled point control circuit is at more than 10HZ or at below 10HZ, determine the sampled point N in a cycle.Relation between the frequency input signal f1 and output signal frequency f2 of CD4046 is f2=N*fl, thus, realize the N frequency multiplication to frequency input signal fl, and phase contrast keeps synchronizing, and completes to achieve normal rolling by sampled point control circuit and frequency multiplication of phase locked loop circuit.
In this utility model embodiment, shown in Fig. 5, first will be linked into the input end of analog signal of AD7874 by 4 tunnel analogue signals of signal conditioning circuit, a road key signal is accessed sampled point control circuit simultaneously and determine frequency range, finally determine the sampled point N in a cycle, N frequency multiplication is carried out again by frequency multiplication of phase locked loop circuit, key signal after N frequency multiplication triggers AD7874 and carries out analog digital conversion, after analog digital conversion terminates, the 4th pin INT of AD7878 is become low level by high level, show EOC, interrupt to central server application, read to walk from the data buffer of AD7874 by the data changed.So, by using frequency multiplication of phase locked loop circuit triggers analog digital conversion can be greatly saved the resource overhead of central server, now, the data changed only need to be read to walk reprocessing by central server.
Aforementioned based in the detailed description of the invention of thermal power plant's rotary-machine state monitoring system of Embedded Double server, alternatively, described central server, it is additionally operable to the interrupt requests sent according to analog-digital conversion control circuit, it is successively read the ADC value of each passage of analog-digital converter, generate the monitoring information of rotating machinery state and described monitoring information is stored to data base, it is additionally operable to the HTTP request message sent according to Surveillance center, from data base, read corresponding information, and send in the form of a web page to Surveillance center.
In this utility model embodiment, by central server, the monitoring information of rotating machinery state is distributed to Surveillance center, it is simple to staff can in real time, get information about the running status of rotating machinery.
Aforementioned based in the detailed description of the invention of thermal power plant's rotary-machine state monitoring system of Embedded Double server, alternatively, described system also includes: data base, and described data base includes: steady state data storehouse, transient data storehouse；
Described steady state data storehouse, for the monitoring information under the rotating machinery steady-state operating condition that storage center server is sent；
Described transient data storehouse, for the monitoring information in the rotating machinery start and stop moment that storage center server is sent；
In this utility model embodiment, the monitoring information of the monitoring information under rotating machinery steady-state operating condition, rotating machinery start and stop moment is stored respectively with different data bases, staff can be improved and access the speed of data base, save the time accessing data base.
Aforementioned based in the detailed description of the invention of thermal power plant's rotary-machine state monitoring system of Embedded Double server, alternatively, described Surveillance center includes: local monitor is Surveillance center centrally and remotely；
Described local monitor is centrally through LAN in factory and described central server or ftp server communication；
Described remote monitoring center connects the Internet or wide area network by LAN in factory, and by described the Internet or wide area network and described central server or ftp server communication.
In this utility model embodiment, the monitoring information of rotating machinery state not only issued by central server to local monitor center, also issue the monitoring information of rotating machinery state to remote monitoring center simultaneously, guarantee that staff can monitor the status information of rotating machinery in real time, intuitively, improve rotating machinery reliability of operation.
In this utility model embodiment, described system provides running voltage by the power module provided for described sensor group, signal conditioning circuit, analog-to-digital conversion module, central server, data base, ftp server, Surveillance center and communication unit.
The above is preferred implementation of the present utility model; it should be pointed out that, for those skilled in the art, under the premise without departing from principle described in the utility model; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (8)
1. the thermal power plant's rotary-machine state monitoring system based on Embedded Double server, it is characterised in that including: sensor group, signal conditioning circuit, analog-to-digital conversion module, central server, data base, ftp server, Surveillance center and communication unit；
Described sensor group, for obtaining status information and the key signal of rotating machinery；
Described signal conditioning circuit, for being amplified status information and the key signal of the rotating machinery got, Filtering Processing；
Described analog-to-digital conversion module, for the frequency according to the key signal after processing, carries out synchronized sampling to the status information of the rotating machinery after processing, and the status information of the rotating machinery after sampling is carried out analog digital conversion；
Described central server, for the status information according to the rotating machinery after analog digital conversion, generate the monitoring information of rotating machinery state and described monitoring information is stored to data base, it is additionally operable to the HTTP request message sent according to Surveillance center, from data base, read corresponding information, and send in the form of a web page to Surveillance center；
Described Surveillance center, for showing the monitoring information of rotating machinery state；
Described ftp server, for the file download request sent according to Surveillance center, reads corresponding document, it is achieved monitoring file download from data base.
2. system according to claim 1, it is characterised in that described analog-to-digital conversion module includes: analog-digital converter and analog-digital conversion control circuit；
Described analog-digital conversion control circuit, analog digital conversion is carried out for starting analog-digital converter, when each passage of analog-digital converter to gather processed by signal conditioning circuit after the status information of rotating machinery carry out analog digital conversion after, send interrupt requests notice central server to central server and read the status information of the rotating machinery after analog digital conversion；
Described analog-digital converter: at least one line state information of the rotating machinery after being processed being carried out synchronized sampling by signal conditioning circuit, and described status information after sampling is carried out analog digital conversion.
3. system according to claim 2, it is characterised in that each sampling channel of described analog-digital converter includes sampling holder, described sampling holder, for ensureing that what each sampling channel gathered is the status information of the rotating machinery of synchronization.
4. system according to claim 2, it is characterised in that described analog-digital conversion control circuit includes: key signal is every straight translation circuit, key signal shaping circuit, frequency multiplication of phase locked loop circuit and sampled point control circuit；
Described sampled point control circuit, for the frequency according to the key signal after being processed by signal conditioning circuit, it is determined that the sampled point N in a cycle；
Key signal after straight translation every straight translation circuit, for carrying out the key signal after being processed by signal conditioning circuit every straight translation, and is accessed key signal shaping circuit by described key signal；
Described key signal shaping circuit, for the key signal after straight translation accessed is carried out shaping, and accesses frequency multiplication of phase locked loop circuit by the key signal after the shaping of output；
Described frequency multiplication of phase locked loop circuit, for according to having determined that the sampled point N in a cycle, makes N process of frequency multiplication, phase contrast constant by the key signal after the shaping of access, and the key signal after N frequency multiplication is as the enabling signal of described analog-digital converter.
5. system according to claim 2, it is characterized in that, described central server, it is additionally operable to the interrupt requests sent according to analog-digital conversion control circuit, it is successively read the ADC value of each passage of analog-digital converter, generates the monitoring information of rotating machinery state and described monitoring information is stored to data base, be additionally operable to the HTTP request message sent according to Surveillance center, from data base, read corresponding information, and send in the form of a web page to Surveillance center.
6. system according to claim 5, it is characterised in that described data base includes: steady state data storehouse, transient data storehouse；
Described steady state data storehouse, for the monitoring information under the rotating machinery steady-state operating condition that storage center server is sent；
Described transient data storehouse, for the monitoring information in the rotating machinery start and stop moment that storage center server is sent.
7. system according to claim 1, it is characterised in that described Surveillance center includes: local monitor is Surveillance center centrally and remotely；
Described local monitor is centrally through LAN in factory and described central server or ftp server communication；
Described remote monitoring center connects the Internet or wide area network by LAN in factory, and by described the Internet or wide area network and described central server or ftp server communication.
8. system according to claim 1, it is characterized in that, also include: power module, for providing running voltage for described sensor group, signal conditioning circuit, analog-to-digital conversion module, central server, data base, ftp server, Surveillance center and communication unit.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108306645A (en) * | 2018-01-19 | 2018-07-20 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Sensor digital collection capacity acquisition methods, apparatus and system |
| CN109612757A (en) * | 2018-12-13 | 2019-04-12 | 深圳时珍智能物联技术有限公司 | The method for carrying out device diagnostic based on sound characteristic and temperature profile |
| CN109983514A (en) * | 2019-02-15 | 2019-07-05 | 深圳市汇顶科技股份有限公司 | Handle chip, main control device, access control system and its unlocking method |
-
2016
- 2016-03-07 CN CN201620172158.1U patent/CN205388488U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108306645A (en) * | 2018-01-19 | 2018-07-20 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Sensor digital collection capacity acquisition methods, apparatus and system |
| CN109612757A (en) * | 2018-12-13 | 2019-04-12 | 深圳时珍智能物联技术有限公司 | The method for carrying out device diagnostic based on sound characteristic and temperature profile |
| CN109612757B (en) * | 2018-12-13 | 2020-07-17 | 深圳时珍智能物联技术有限公司 | Method for diagnosing equipment based on sound characteristic and temperature characteristic |
| CN109983514A (en) * | 2019-02-15 | 2019-07-05 | 深圳市汇顶科技股份有限公司 | Handle chip, main control device, access control system and its unlocking method |
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