CN209745427U - data center temperature detection system - Google Patents
data center temperature detection system Download PDFInfo
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- CN209745427U CN209745427U CN201920553686.5U CN201920553686U CN209745427U CN 209745427 U CN209745427 U CN 209745427U CN 201920553686 U CN201920553686 U CN 201920553686U CN 209745427 U CN209745427 U CN 209745427U
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Abstract
The utility model discloses a data center temperature detection system, including temperature measurement host computer and the equipment to be measured that is in the data center measured area, the equipment to be measured includes a plurality of servers and temperature measurement optic fibre, and the temperature measurement optic fibre is laid and is passed a plurality of server equipment insides, is used for guaranteeing that the temperature of measuring can reflect the temperature of server equipment operation truest; the temperature measuring host comprises a laser, a Wavelength Division Multiplexer (WDM), an optical filter, a photoelectric converter, an amplifying circuit, a high-speed data acquisition card, an industrial personal computer, a monitoring system and an alarm which are connected in sequence. The utility model discloses utilize optic fibre raman scattering effect and optical time domain reflectometry technique to come the real-time measurement optic fibre space temperature distribution condition along the line comprehensively, can realize carrying out real-time accurate temperature information acquisition to arbitrary appointed measuring point. The optical fiber temperature measurement is sensitive and real-time, the temperature of the optical fiber along the path can be displayed in real time through the monitoring system, a temperature distribution diagram is obtained, and the method is visual and effective.
Description
Technical Field
the utility model relates to a temperature detect technical field, in particular to data center temperature detecting system.
Background
The data center machine room servers have extremely high density, and high-density equipment can generate a large amount of heat and is very easy to overheat. Not only does the overheating temperature significantly reduce the lifetime of the equipment, but when the temperature reaches 90% of the limit, the server automatically shuts down to prevent serious losses, and such automatic shutdown also loses important information.
Therefore, the temperature of the data center, especially the temperature of the individual equipment, needs to be monitored in real time. In any case, the server or other device is not allowed to operate beyond its operating temperature. Small refrigeration equipment can be properly added in a local overheating area, equipment which is not required to be started needs to be closed in time, and the constant temperature state in the data center of the machine room is kept as far as possible under the condition that the operation cost of the data center is not increased. Therefore, the temperature monitoring of the data center not only ensures the safe operation of the equipment, but also can control the energy consumption at a lower level.
the physical temperature measuring range of various traditional electronic temperature sensors is extremely limited, sensors need to be arranged at strategic positions of a data center in a large-scale data center, the number of the required sensors is large, the arrangement cost is extremely high, and networking is also complicated.
the utility model discloses a scheme is to the improvement that above-mentioned problem goes on current data center temperature detecting system.
SUMMERY OF THE UTILITY MODEL
In order to overcome not enough among the prior art, the utility model provides a data center temperature detecting system uses single optic fibre to realize temperature monitoring, and optic fibre both is transmission medium, is the sensing unit again, and inside optic fibre was laid and to be spread throughout whole data center, covered monitoring area, no measurement blind area. The temperature measurement cost can be greatly reduced, and the optical fiber temperature measurement technology has good real-time performance, continuity and stability.
in order to achieve the purpose of the utility model, the technical scheme adopted for solving the technical problem is as follows:
the utility model provides a data center temperature detecting system, includes temperature measurement host computer and is in the equipment under test of data center surveyed region, wherein:
the equipment to be tested comprises a plurality of servers and temperature measuring optical fibers, and the temperature measuring optical fibers are laid and penetrate through the interiors of the plurality of server equipment to ensure that the measured temperature can reflect the operating temperature of the server equipment most truly;
The temperature measurement host computer is including the laser instrument, wavelength division multiplexer WDM, optical filter, photoelectric converter, amplifier circuit, high-speed data acquisition card, industrial computer, monitored control system and the alarm that connect gradually:
The laser generates effective laser pulses which are WDM-coupled into the temperature measuring optical fiber through the wavelength division multiplexer and transmitted to a measured area of a data center along the temperature measuring optical fiber, Raman scattering phenomenon occurs during the transmission of light in the optical fiber, the generated Stokes light and anti-Stokes light are transmitted reversely along the temperature measuring optical fiber and enter the optical filter through the wavelength division multiplexer again, the optical filter respectively extracts Stokes light and anti-Stokes light and effectively inhibits other interference scattered light, the extracted Stokes light and anti-Stokes light respectively enter the photoelectric converter in two paths, the optical signal is converted into an electric signal, then the electric signal passes through the amplifying circuit, is collected by the high-speed data collection card and is converted into a digital signal to be transmitted to the industrial personal computer, and the industrial personal computer can obtain accurate temperature information of a plurality of servers distributed along the optical fiber in real time by utilizing the ratio of the Stokes light to the anti-Stokes light, in addition, the abnormal point can be accurately positioned based on the propagation speed of light in the optical fiber and the echo time, the temperature distribution situation is displayed through the monitoring system, a temperature distribution diagram is obtained, and when the temperature distributed along the optical fiber is higher than the upper limit value of the temperature of the data center, alarm information is displayed through the alarm.
Furthermore, a plurality of the servers are arranged in an M row by N column form, the coordinate of any server can be represented by [ M, N ], M is the row number of the server, and N is the column number of the server.
further, the length of the abnormal point position measured by the temperature measurement host is assumed to be L, then:
L＝[k×(N-1)+h]×m+(n-1)×k
Wherein M, N, h and k are constants, h is the row spacing of the data center server equipment, k is the column spacing of the data center server equipment, N is more than or equal to 1 and less than or equal to N, M is more than or equal to 1 and less than or equal to M, and M and N are positive integers,
Solving the indeterminate equation by using a rolling phase division method, and combining the data center temperature measurement reality:
(n-1)×k＝L％[k×(N-1)+h]
Wherein, the% in the expression represents the residue, so that the value of a unique solution [ m, n ] can be obtained, and the position of the server with the abnormal temperature is determined.
preferably, the temperature measuring optical fiber is a single-mode temperature measuring optical fiber.
the utility model discloses owing to adopt above technical scheme, make it compare with prior art, have following advantage and positive effect:
1. The utility model provides a data center temperature detecting system uses single optic fibre to realize temperature monitoring, and optic fibre both is transmission medium, is the sensing unit again, and inside optic fibre was laid and can be spread throughout whole data center, covered monitoring area, no measurement blind area. The temperature measurement cost can be greatly reduced, and the optical fiber temperature measurement technology has good real-time performance, continuity and stability.
2. The utility model provides a data center temperature detecting system adopts distributed architecture and modular approach design strategy to realize data center's real-time detection, reach and prevent the condition such as data center local server overheat. The data center temperature detection error is within +/-1 ℃, and the spatial resolution reaches 1 m.
3. And (3) real-time display of the detected temperature: the temperature sensing characteristic of the distributed optical fiber is utilized to automatically and uninterruptedly monitor the change condition of the temperature around the optical fiber, the monitoring result is dynamically displayed in a two-dimensional curve form of temperature-distance, and the refreshing frequency is less than 5 seconds.
4. an abnormal point alarm function: when the temperature of the local server of the data center exceeds the preset alarm threshold temperature, the data center enters an alarm mode, and the position of the temperature abnormal point, namely the coordinate of the temperature abnormal server, is positioned.
Drawings
in order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
Fig. 1 is a schematic diagram of a system structure of a data center temperature detection system according to the present invention;
Fig. 2 is a schematic diagram of the temperature distribution of the data center temperature detection system of the present invention.
Detailed Description
the technical solution in the embodiments of the present invention will be clearly and completely described and discussed below with reference to the accompanying drawings of the present invention, and it is obvious that only some examples, not all examples, of the present invention are described herein, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Pulses emitted by the light source are transmitted along the optical cable after passing through the wavelength division multiplexer, spontaneous Raman scattering light is generated under the same action with optical fiber molecules in the transmission process, wherein Stokes light is insensitive to temperature, anti-Stokes light is sensitive to temperature, and the two scattering light is detected by a high-sensitivity detector after being separated by the wavelength division multiplexer. The time for transmitting Raman scattering signals generated at different positions of the optical fiber to the detector is different, so that the position of Raman scattering can be determined through the return time of the detection signals, and the temperature information of any point on the whole optical cable can be accurately and quickly obtained by combining high-speed signal acquisition and data processing technology.
as shown in fig. 1, the utility model discloses a data center temperature detecting system, including the temperature measurement host computer and be in the regional equipment for measurement that the data center surveyed, wherein:
The equipment to be tested comprises a plurality of servers and temperature measuring optical fibers, wherein the temperature measuring optical fibers are single-mode temperature measuring optical fibers, are laid continuously in a mode shown in figure 1 and penetrate through the interiors of the plurality of server equipment to ensure that the measured temperatures can reflect the operating temperature of the server equipment most truly;
The temperature measurement host computer is including the laser instrument, wavelength division multiplexer WDM, optical filter, photoelectric converter, amplifier circuit, high-speed data acquisition card, industrial computer, monitored control system and the alarm that connect gradually:
The laser generates effective laser pulses which are WDM-coupled into the temperature measuring optical fiber through the wavelength division multiplexer and transmitted to a measured area of a data center along the temperature measuring optical fiber, Raman scattering phenomenon occurs during the transmission of light in the optical fiber, the generated Stokes light and anti-Stokes light are transmitted reversely along the temperature measuring optical fiber and enter the optical filter through the wavelength division multiplexer again, the optical filter respectively extracts Stokes light and anti-Stokes light and effectively inhibits other interference scattered light, the extracted Stokes light and anti-Stokes light respectively enter the photoelectric converter in two paths, the optical signal is converted into an electric signal, then the electric signal passes through the amplifying circuit, is collected by the high-speed data collection card and is converted into a digital signal to be transmitted to the industrial personal computer, and the industrial personal computer can obtain accurate temperature information of a plurality of servers distributed along the optical fiber in real time by utilizing the ratio of the Stokes light to the anti-Stokes light, in addition, the abnormal point can be accurately positioned based on the propagation speed of light in the optical fiber and the echo time, and the temperature distribution condition is displayed through the monitoring system so as to obtain a temperature distribution diagram, as shown in fig. 2. And when the temperature distributed along the optical fiber is higher than the upper limit value of the temperature of the data center, alarm information is displayed through the alarm.
Furthermore, a plurality of servers in the tested area of the data center are arranged in an M row by N column mode, the coordinate of any server can be represented by [ M, N ], M is the row number of the server, and N is the column number of the server.
Further, the length of the abnormal point position measured by the temperature measurement host is assumed to be L, then:
L＝[k×(N-1)+h]×m+(n-1)×k
Wherein M, N, h and k are constants and are determined by the structure of the data center. h is the row spacing of the data center server equipment, k is the column spacing of the data center server equipment, N is more than or equal to 1 and less than or equal to N, M is more than or equal to 1 and less than or equal to M, and M and N are positive integers,
solving the indeterminate equation by using a rolling phase division method, and combining the data center temperature measurement reality:
(n-1)×k＝L％[k×(N-1)+h]
Wherein, the% in the expression represents the residue, so that the value of a unique solution [ m, n ] can be obtained, and the position of the server with the abnormal temperature is determined. Therefore, ventilation treatment or air conditioning starting and other corresponding measures are further carried out, normal operation of the data center is guaranteed, redundant starting of a refrigerating system can be avoided, and energy consumption is saved.
The data center temperature detection system comprehensively utilizes the optical fiber Raman scattering effect and the optical time domain reflection measurement technology to measure the spatial temperature distribution condition of the optical fiber along the line in real time, and can realize real-time and accurate temperature information acquisition of any specified measurement point. The optical fiber temperature measurement is sensitive and real-time, the temperature of the optical fiber along the path can be displayed in real time through the monitoring system, a temperature distribution diagram is obtained, and the method is visual and effective. When the temperature exceeds the threshold value, alarm information is timely provided, the alarm position is accurately positioned, and the alarm information is directly fed back to a data center monitoring personnel.
the above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. the utility model provides a data center temperature detecting system which characterized in that, includes temperature measurement host computer and the equipment to be measured that is in data center surveyed the region, wherein:
The equipment to be tested comprises a plurality of servers and temperature measuring optical fibers, and the temperature measuring optical fibers are laid and penetrate through the interiors of the plurality of server equipment to ensure that the measured temperature can reflect the operating temperature of the server equipment most truly;
the temperature measurement host computer is including the laser instrument, wavelength division multiplexer WDM, optical filter, photoelectric converter, amplifier circuit, high-speed data acquisition card, industrial computer, monitored control system and the alarm that connect gradually:
The laser generates effective laser pulses which are WDM-coupled into the temperature measuring optical fiber through the wavelength division multiplexer and transmitted to a measured area of a data center along the temperature measuring optical fiber, Raman scattering phenomenon occurs during the transmission of light in the optical fiber, the generated Stokes light and anti-Stokes light are transmitted reversely along the temperature measuring optical fiber and enter the optical filter through the wavelength division multiplexer again, the optical filter respectively extracts Stokes light and anti-Stokes light and effectively inhibits other interference scattered light, the extracted Stokes light and anti-Stokes light respectively enter the photoelectric converter in two paths, the optical signal is converted into an electric signal, then the electric signal passes through the amplifying circuit, is collected by the high-speed data collection card and is converted into a digital signal to be transmitted to the industrial personal computer, and the industrial personal computer can obtain accurate temperature information of a plurality of servers distributed along the optical fiber in real time by utilizing the ratio of the Stokes light to the anti-Stokes light, in addition, the abnormal point can be accurately positioned based on the propagation speed of light in the optical fiber and the echo time, the temperature distribution situation is displayed through the monitoring system, a temperature distribution diagram is obtained, and when the temperature distributed along the optical fiber is higher than the upper limit value of the temperature of the data center, alarm information is displayed through the alarm.
2. the data center temperature detection system of claim 1, wherein a plurality of the servers are arranged in M rows by N columns, and the coordinates of any server can be represented by [ M, N ], where M is the number of rows where the server is located and N is the number of columns where the server is located.
3. The system according to claim 2, wherein if the length of the abnormal point measured by the temperature measurement host is L, then:
L＝[k×(N-1)+h]×m+(n-1)×k
Wherein M, N, h and k are constants, h is the row spacing of the data center server equipment, k is the column spacing of the data center server equipment, N is more than or equal to 1 and less than or equal to N, M is more than or equal to 1 and less than or equal to M, and M and N are positive integers,
Solving the indeterminate equation by using a rolling phase division method, and combining the data center temperature measurement reality:
(n-1)×k＝L％[k×(N-1)+h]
Wherein, the% in the expression represents the residue, so that the value of a unique solution [ m, n ] can be obtained, and the position of the server with the abnormal temperature is determined.
4. The data center temperature detection system of claim 1, wherein the temperature measurement fiber is a single mode temperature measurement fiber.
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| CN201920553686.5U CN209745427U (en) | 2019-04-22 | 2019-04-22 | data center temperature detection system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109990917A (en) * | 2019-04-22 | 2019-07-09 | 苏州经贸职业技术学院 | A kind of data center's system for detecting temperature and its detection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109990917A (en) * | 2019-04-22 | 2019-07-09 | 苏州经贸职业技术学院 | A kind of data center's system for detecting temperature and its detection method |
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