CN112254839A - Fiber bragg grating temperature measurement system of communication machine room and temperature detection method of communication machine room - Google Patents
Fiber bragg grating temperature measurement system of communication machine room and temperature detection method of communication machine room Download PDFInfo
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- 239000013307 optical fiber Substances 0.000 claims abstract description 80
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Abstract
The invention provides a fiber grating temperature measurement system of a communication machine room and a temperature detection method of the communication machine room, which relate to the technical field of information and comprise a fiber sensor, a fiber grating modulation module, a data module, a service module and a terminal module, wherein: the optical fiber sensor is installed at a temperature acquisition point of the communication machine room and used for detecting the temperature through the movement amount of the central wavelength of the optical signal reflected by the optical fiber grating. According to the invention, the temperature change of the measured object is sensed through the optical fiber sensor, the wavelength signal of the optical fiber sensor is converted into the temperature value by the optical fiber grating demodulation module, the converted temperature value is stored in the data module, and the terminal module displays the monitored data, so that the maintenance personnel can realize accurate temperature measurement on the temperature in the communication machine room in real time, and the invention has important significance on the safety early warning of the temperature of a machine cabinet in the machine room, the maintenance of the machine room, the fault pre-judgment, the energy conservation of the machine room and the installation and planning of a machine room equipment machine cabinet.
Description
Technical Field
The invention relates to the technical field of information, in particular to a fiber grating temperature measurement system of a communication machine room and a temperature detection method of the communication machine room.
Background
A telecommunications closet is a secure location or building that centralizes and interconnects data communications media. A large number of service providers share equipment in a communication machine room generally, the safety of the equipment in the communication machine room is the basis for ensuring the good operation of a communication network, the communication equipment has a development trend of high centralization and high power density at present, and the power consumption of a single cabinet reaches 20-30kW, so that the phenomena of equipment downtime, service interruption and the like caused by local high temperature and even high temperature occur in a plurality of machine rooms.
Most cabinets do not possess accurate temperature measurement function in the communication computer lab at present, and the computer lab high temperature region can't in time discover and handle for there is certain potential safety hazard in the communication computer lab, can't satisfy user's demand.
Disclosure of Invention
The invention aims to provide a fiber grating temperature measurement system of a communication machine room and a temperature detection method of the communication machine room.
In order to achieve the purpose, the invention is realized by the following technical scheme: the fiber grating temperature measurement system of the communication machine room comprises a fiber sensor, a fiber grating modulation module, a data module, a service module and a terminal module, wherein:
the optical fiber sensor is installed at a temperature acquisition point of a communication machine room and used for detecting the temperature through the movement amount of the central wavelength of the optical signal reflected by the optical fiber grating.
The fiber grating modulation module is used for converting a wavelength signal of the optical fiber sensor into a temperature value, and is connected with the optical fiber sensor.
The data module is used for backing up data, storing original data and dynamically preprocessing the data, and is electrically connected with the fiber bragg grating modulation module.
The business module is used for setting acquisition parameters, acquiring and processing data and processing business, and is electrically connected with the data module.
The service module is used for data analysis, data preprocessing and data cleaning, and is electrically connected with the data module.
Furthermore, the terminal module is used for displaying data, and the terminal module is electrically connected with the service module and the service module respectively.
Furthermore, the business module is also used for self-diagnosis processing, alarm processing and image report processing.
Furthermore, the service module is also used for database reading and writing processing and data synchronization processing.
Further, the data display of the terminal module comprises a general view, real-time data, a real-time curve, historical data, a historical curve and an alarm record.
Furthermore, the optical fiber sensors are installed at a temperature acquisition point of the communication machine room through optical fibers, and each optical fiber is provided with different numbers of optical fiber sensors.
Furthermore, the optical fiber sensor is connected with the fiber grating modulation module through a splitter.
The temperature detection method for the communication machine room comprises the following steps:
and S1, detecting the temperature by the optical fiber sensor through the movement amount of the center wavelength of the optical signal reflected by the internal fiber grating, namely detecting the temperature at the temperature collection point in the communication room.
S2, the fiber grating modulation module collects the wavelength change of the fiber sensor, and the wavelength signal of the fiber sensor is converted into a temperature value through a formula.
And S3, storing the converted temperature value into a data module.
S4, the service module carries out self-diagnosis processing on the stored temperature value and determines whether the temperature value data are normally received.
And S5, when the temperature data are normally received, the service module analyzes and preprocesses the temperature value data and stores the data in the local server.
And S6, carrying out visual display of the data through the terminal module.
Further, according to the operation step in S1, before detecting the temperature at the temperature collection point in the communication room, the method further includes arranging a fiber grating temperature measurement system in the communication room.
Further, when the self-diagnosis process is performed on the stored temperature value according to the operation step in S4, the method includes the steps of:
s41, limiting the wavelength range after data conversion, setting the calculation result to be 0 after the optical fiber sensor is invalid, and the terminal module can give a special pop-up frame prompt to display that the optical fiber sensor is invalid.
And S42, when the wavelength data of all the optical fiber sensors are abnormal at the same time, the terminal module prompts that the working equipment is unstable and abnormal, and the detection data is abnormal.
And S43, when the temperature value of the single optical fiber sensor linearly rises and changes, repeatedly judging and eliminating the abnormity.
The invention provides a fiber bragg grating temperature measurement system of a communication machine room and a temperature detection method of the communication machine room. The method has the following beneficial effects:
(1) according to the invention, the temperature change of the measured object is sensed through the optical fiber sensor, the wavelength change of the optical fiber sensor is acquired by the optical fiber grating demodulation module, the wavelength signal of the optical fiber sensor is converted into the temperature value, the converted temperature value is stored in the data module, and the terminal module displays the monitored data, so that the maintenance personnel can accurately measure the temperature in the communication machine room in real time, timely find and process the high-temperature area of the machine room, and eliminate potential safety hazards.
(2) According to the invention, when temperature detection is carried out, the failure of the optical fiber sensor can be judged, and the abnormity of the monitored data can also be judged, so that the accuracy of the detected data is ensured, and the method and the device have great significance for cabinet temperature safety early warning, machine room maintenance, fault pre-judgment, machine room energy conservation and machine room equipment cabinet installation planning in a machine room.
Drawings
FIG. 1 is a system diagram of a fiber grating temperature measurement system of a communication machine room according to the present invention;
fig. 2 is a flowchart of a temperature detection method for a communication room according to the present invention.
In the figure: 1. an optical fiber sensor; 2. a fiber grating modulation module; 3. a data module; 4. a service module; 5. a service module; 6. and a terminal module.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure. The invention will be further illustrated with reference to the following examples and drawings:
in a first embodiment, referring to fig. 1-2, a fiber grating temperature measurement system of a communication machine room includes a fiber sensor 1, a fiber grating modulation module 2, a data module 3, a service module 4, a service module 5, and a terminal module 6, where:
the optical fiber sensor 1 is installed at a temperature acquisition point of a communication machine room and used for detecting the temperature through the movement amount of the central wavelength of the optical signal reflected by the optical fiber grating.
The fiber grating modulation module 2 is used for converting the wavelength signal of the optical fiber sensor 1 into a temperature value, and the fiber grating modulation module 2 is connected with the optical fiber sensor 1.
The data module 3 is used for data backup, original data storage and dynamic data preprocessing, and the data module 3 is electrically connected with the fiber grating modulation module 2.
The service module 4 is used for setting acquisition parameters, acquiring and processing data and processing services, and the service module 4 is electrically connected with the data module 3.
The service module 5 is used for data analysis, data preprocessing and data cleaning, and the service module 5 is electrically connected with the data module 3.
Specifically, the terminal module 6 is used for displaying data, and the terminal module 6 is electrically connected to the service module 4 and the service module 5, respectively.
Specifically, the service module 4 is further used for self-diagnosis processing, alarm processing and image report processing.
Specifically, the service module 5 is also used for database read-write processing and data synchronization processing.
Specifically, the data display of the terminal module 6 includes a general view, real-time data, a real-time curve, historical data, a historical curve, and an alarm record.
Specifically, the optical fiber sensors 1 are installed at a temperature collection point of the communication room through optical fibers, and each optical fiber is provided with different numbers of optical fiber sensors 1.
Specifically, the optical fiber sensor 1 is connected with the fiber grating modulation module 2 through a splitter.
The temperature detection method for the communication machine room comprises the following steps:
step one, the optical fiber sensor 1 detects the temperature through the movement amount of the central wavelength of the optical signal reflected by the internal optical fiber grating, namely, detects the temperature at the temperature acquisition point in the communication machine room.
And step two, the fiber bragg grating modulation module 2 acquires the wavelength change of the optical fiber sensor 1, and converts the wavelength signal of the optical fiber sensor 1 into a temperature value through a formula.
And step three, storing the converted temperature value into the data module 3.
And step four, the service module 4 carries out self-diagnosis processing on the stored temperature value and determines whether the temperature value data is normally received.
And step five, when the temperature data are normally received, the service module 5 analyzes and preprocesses the temperature value data and stores the data to the local server.
And sixthly, carrying out visual display on the data through the terminal module 6.
Specifically, according to the operation steps in the step one, before the temperature at the temperature acquisition point in the communication room is detected, the fiber bragg grating temperature measurement system is arranged in the communication room.
Specifically, when the self-diagnosis processing is performed on the stored temperature value according to the operation steps in step four, the method includes the following steps:
(41) after data conversion, the wavelength range is limited, the calculation result is set to be 0 after the optical fiber sensor 1 is failed, the terminal module 6 can be reminded by a special elastic frame, and the failure of the optical fiber sensor 1 is displayed.
(42) And if the wavelength data of all the optical fiber sensors 1 are abnormal at the same time, the terminal module 6 prompts that the working equipment is unstable and abnormal, and the detection data is abnormal.
(43) When the temperature value of the single optical fiber sensor 1 linearly increases and changes, the judgment is repeated to eliminate the abnormality.
Comparing the traditional environment propagation mode with the mode of the present application, the following data are obtained, which are shown in table 1 in detail:
TABLE 1 Experimental data sheet
| Detection accuracy | Accuracy of | |
| Conventional temperature sensing | Is not high | Is not high |
| This example | Super high | Super high |
According to the experimental data, the first embodiment of the fiber bragg grating temperature measuring system and the temperature detecting method for the communication machine room have the effects of extremely high detection precision and extremely high accuracy when in use.
The fiber grating temperature measurement system of the communication machine room comprises a fiber sensor 1, a fiber grating modulation module 2, a data module 3, a service module 4, a service module 5 and a terminal module 6, wherein: the optical fiber sensor 1 is arranged at a temperature acquisition point of a communication machine room, is used for detecting the temperature through the central wavelength movement amount of an optical signal reflected by an optical fiber grating, is suitable for conveniently and effectively realizing monitoring in large electromechanical, petrochemical, metallurgical high-voltage, strong electromagnetic interference, inflammable, explosive and strong corrosive environments, has high stability and reliability, can write a plurality of gratings into one optical fiber to form a sensing array, realizes quasi-distribution measurement, is passive, uncharged and intrinsically safe, is not damaged by electromagnetic interference and lightning stroke, is multiplexed in a multi-point series manner, has high temperature measurement precision and resolution ratio, is not influenced by light source fluctuation and transmission line loss, is used for converting the wavelength signal of the optical fiber sensor 1 into a temperature value, is connected with the optical fiber sensor 1, and is used for data backup, The data processing method comprises the steps of storing original data and dynamically preprocessing the data, wherein a data module 3 is electrically connected with a fiber bragg grating modulation module 2, a service module 4 is used for setting acquisition parameters, acquiring and processing data and processing services, the service module 4 is electrically connected with the data module 3, a service module 5 is used for analyzing the data, preprocessing the data and cleaning the data, the service module 5 is electrically connected with the data module 3, the data analysis is to analyze the acquired data according to a protocol and convert the data into the original data, the data preprocessing is to perform operation processing on the original data, and the data cleaning is to transfer or delete historical data.
Specifically, the terminal module 6 is used for displaying data, and the terminal module 6 is electrically connected to the service module 4 and the service module 5, respectively.
Specifically, the service module 4 is further used for self-diagnosis processing, alarm processing and image report processing.
Specifically, the service module 5 is further configured to perform database read-write processing and data synchronization processing, where the database read-write processing is database ORM mapping and is based on a generic encapsulation universal CRUD method, and the data synchronization processing is to synchronize data increments to a cloud server.
Specifically, the data display of the terminal module 6 includes a general view, real-time data, a real-time curve, historical data, a historical curve, and an alarm record.
Specifically, the optical fiber sensors 1 are installed at a temperature collection point of the communication room through optical fibers, and each optical fiber is provided with different numbers of optical fiber sensors 1.
Specifically, the optical fiber sensor 1 is connected with the fiber grating modulation module 2 through a splitter.
The temperature detection method for the communication machine room comprises the following steps: step one, the optical fiber sensor 1 detects the temperature through the light signal center wavelength movement amount reflected by the internal optical fiber grating, namely detects the temperature of a temperature collection point in a communication machine room, before detecting the temperature of the temperature collection point in the communication machine room, the method further comprises the step of arranging an optical fiber grating temperature measurement system in the communication machine room, the step two, the optical fiber grating modulation module 2 collects the wavelength change of the optical fiber sensor 1, the wavelength signal of the optical fiber sensor 1 is converted into a temperature value through a formula, and the temperature conversion formula is as follows: T-T0 + a1(W-W0) + a2(W-W0)2Wherein T0: the initial temperature value, a1 is a coefficient 1, a2 is a coefficient 2, W is an actually measured wavelength, W0 is an initial wavelength, the converted temperature is stored in the data module 3, step four, the service module 4 carries out self-diagnosis processing on the stored temperature value to determine whether the temperature value data is normally received, and when carrying out self-diagnosis processing on the stored temperature value, the method comprises the following steps: (41) the wavelength range is limited after data conversion, the wavelength range of the optical fiber sensor is usually selected from 1528 and 1568nm, the calculation result is set to be 0 after the optical fiber sensor 1 fails, the terminal module 6 can specifically bounce the frame to remind to display that the optical fiber sensor 1 fails, (42) when the wavelength data of all the optical fiber sensors 1 are abnormal at the same time, the terminal module 6 prompts that the working equipment is unstable and abnormal, the working equipment is abnormal, the detection data is abnormal, (43) when the temperature value of a single optical fiber sensor 1 linearly rises and changes, the judgment is repeated to eliminate the abnormality, step five, when the temperature value is normally received to the data, the service module 5 analyzes the temperature value data and preprocesses the data, the data is stored to a local server, and step six, the visual display of the data is carried out through the terminal module 6.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (10)
1. Fiber grating temperature measurement system of communication computer lab, its characterized in that, including optical fiber sensor (1), fiber grating modulation module (2), data module (3), business module (4), service module (5) and terminal module (6), wherein:
the optical fiber sensor (1) is arranged at a temperature acquisition point of a communication machine room and used for detecting the temperature through the movement amount of the central wavelength of an optical signal reflected by the optical fiber grating;
the fiber bragg grating modulation module (2) is used for converting a wavelength signal of the optical fiber sensor (1) into a temperature value, and the fiber bragg grating modulation module (2) is connected with the optical fiber sensor (1);
the data module (3) is used for backing up data, storing original data and dynamically preprocessing the data, and the data module (3) is electrically connected with the fiber bragg grating modulation module (2);
the service module (4) is used for setting acquisition parameters, acquiring and processing data and processing services, and the service module (4) is electrically connected with the data module (3);
the service module (5) is used for data analysis, data preprocessing and data cleaning, and the service module (5) is electrically connected with the data module (3).
2. The fiber grating temperature measurement system of the communication room of claim 1, wherein: the terminal module (6) is used for displaying data, and the terminal module (6) is electrically connected with the service module (4) and the service module (5) respectively.
3. The fiber grating temperature measurement system of the communication room of claim 1, wherein: the business module (4) is also used for self-diagnosis processing, alarm processing and image report processing.
4. The fiber grating temperature measurement system of the communication room of claim 1, wherein: the service module (5) is also used for database read-write processing and data synchronization processing.
5. The fiber grating temperature measurement system of the communication room of claim 2, wherein: the data display of the terminal module (6) comprises a general view, real-time data, a real-time curve, historical data, a historical curve and an alarm record.
6. The fiber grating temperature measurement system of the communication room of claim 1, wherein: the optical fiber sensors (1) are installed at a temperature acquisition point of a communication machine room through optical fibers, and each optical fiber is provided with different numbers of optical fiber sensors (1).
7. The fiber grating temperature measurement system of the communication room of claim 1, wherein: the optical fiber sensor (1) is connected with the fiber grating modulation module (2) through a splitter.
8. The temperature detection method for the communication room is characterized in that the fiber bragg grating temperature measurement system of the communication room according to any one of claims 1 to 7 is used, and comprises the following steps:
s1, detecting the temperature through the movement amount of the center wavelength of the optical signal reflected by the internal fiber grating by the optical fiber sensor (1), namely detecting the temperature at the temperature collection point in the communication machine room;
s2, the fiber bragg grating modulation module (2) collects the wavelength change of the optical fiber sensor (1), and the wavelength signal of the optical fiber sensor (1) is converted into a temperature value through a formula;
s3, storing the converted temperature value into a data module (3);
s4, the service module (4) carries out self-diagnosis processing on the stored temperature value, and whether the temperature value data are normally received is determined;
s5, when the temperature data are normally received, the service module (5) analyzes and preprocesses the temperature data, and stores the data in the local server;
and S6, carrying out visual display on the data through the terminal module (6).
9. The method for detecting the temperature of the communication room according to claim 8, comprising the following steps: according to the operation step in the S1, before the temperature at the temperature collection point in the communication room is detected, the method further comprises the step of arranging a fiber grating temperature measurement system in the communication room.
10. The communication room temperature detecting method according to claim 8, wherein when the self-diagnosis processing is performed on the stored temperature value according to the operating step in S4, the method comprises the steps of:
s41, limiting the wavelength range after data conversion, setting the calculation result to be 0 after the optical fiber sensor (1) is failed, and displaying that the optical fiber sensor (1) is failed by the terminal module (6) through special pop-up frame reminding;
s42, when the wavelength data of all the optical fiber sensors (1) are abnormal at the same time, the terminal module (6) prompts that the working equipment is unstable and abnormal, and the data are detected to be abnormal;
s43, when the temperature value of the single optical fiber sensor (1) linearly rises and changes, the judgment is repeated to eliminate the abnormity.
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Application publication date: 20210122 |
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