CN110081998A - Temperature acquisition system - Google Patents
Temperature acquisition system Download PDFInfo
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- CN110081998A CN110081998A CN201810073722.8A CN201810073722A CN110081998A CN 110081998 A CN110081998 A CN 110081998A CN 201810073722 A CN201810073722 A CN 201810073722A CN 110081998 A CN110081998 A CN 110081998A
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- temperature
- optical fiber
- rack
- acquisition system
- temperature acquisition
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
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- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The present invention relates to a kind of temperature acquisition systems of the invention for acquiring Temperature Distribution in data center, server, router and storage equipment in data center provided with a number of orders of magnitude, these equipment are carried by rack, optical fiber is layed in the rack by the present invention, for acquiring the temperature data of the shelf position；Control equipment by connecting the optical fiber obtains the temperature data of the collecting fiber, to obtain the Temperature Distribution in data center.The present invention carries out temperature acquisition and transmission using optical fiber, compared with traditional device based on point temperature sensor, monitored density is improved, sensing density can be improved hundred times or more, and so high density recognition capability can accomplish the temperature of each hot spot of real-time monitoring；Also, optical fiber can also be as transmission signal media, each of which sensor not need plant-grid connection, can energy saving cost, also reduce the temperature source in data center.
Description
Technical field
The present invention relates to temperature acquisition technical field more particularly to a kind of temperature acquisition systems.
Background technique
Data center possesses millions server, router, interchanger and storage equipment, consumes mass energy.
In order to ensure equipment is in optimum state, the temperature of data center is controlled by installing a large amount of air-conditioning and cooling system.This
Outside, for the Temperature Distribution at equilibrium data center, it is also necessary to be optimized to equipment arrangement, this is just it should be understood that in data control
The Temperature Distribution of the heart.
Currently, collecting temperature using point temperature sensor when understanding data center's Temperature Distribution.In this way, point type temperature passes
Sensor is just spaced and is mounted on the critical positions of entire data center, and can be by Wi-Fi Aps or RS485 from a temperature
Sensor returns temperature data.But point temperature sensor and Wi-Fi APs are also required for source current, this is further increased
Energy cost.In general, it is contemplated that the estimated cost of monitoring scheme controls, the installation number of point temperature sensor
Can not be very much, if plus power supply and wiring, totle drilling cost be will further improve.
Thus, it is lower and the temperature acquisition system of sensor density can be improved to need a kind of cost.
Summary of the invention
Based on this, it is necessary to aiming at the problem that and higher cost not high the current density for carrying out temperature acquisition, provide one
Kind cost is lower and can improve the temperature acquisition system of sensor density.
Purpose according to the present invention provides a kind of temperature acquisition system, described for acquiring Temperature Distribution in data center
The rack of equipment in several carrying data centers is arranged in data center, which includes:
Optical fiber is layed in the rack, for acquiring the temperature data of the shelf position；
Equipment is controlled, the optical fiber is connected, for obtaining the temperature data of the collecting fiber.
The number of fibers is one or more in one of the embodiments,.
Optical fiber between adjacent rack is laid in one of the embodiments, to be connected with each other.
In one of the embodiments, the mutual welding of the optical fiber or pass through optical fiber connector connect.
The fiber section covering or all the covering rack in one of the embodiments,.
The control equipment is also used to control the sampling period of the optical fiber in one of the embodiments,.
The control equipment controls the temperature data of the collecting fiber pre-position in one of the embodiments,.
The predetermined position is located at the top and/or two sides of the rack in one of the embodiments,.
It is equidistantly positioned between the predetermined position in one of the embodiments,.
The system in one of the embodiments, further include:
Imaging device connects the control equipment, for according to it is described control equipment acquisition temperature data generate heat at
As distribution map.
The beneficial effect comprise that temperature acquisition system of the invention is used to acquire Temperature Distribution in data center,
Server, router and storage equipment in data center provided with a number of orders of magnitude, carry these equipment, this hair by rack
It is bright that optical fiber is layed in the rack, for acquiring the temperature data of the shelf position；By the control for connecting the optical fiber
Control equipment obtains the temperature data of the collecting fiber, to obtain the Temperature Distribution in data center.The present invention uses optical fiber
Temperature acquisition and transmission are carried out, compared with traditional device based on point temperature sensor, improves monitored density, sensing
Density can be improved hundred times or more, and so high density recognition capability can accomplish the temperature of each hot spot of real-time monitoring；Also,
Optical fiber can also be as transmission signal media, each of which sensor not need plant-grid connection, can energy saving cost, also reduce
Temperature source in data center.
Detailed description of the invention
Fig. 1 is the temperature acquisition system schematic diagram of one embodiment of the invention；
Fig. 2 and Fig. 3 is rack construction schematic diagram in embodiment illustrated in fig. 1 of the present invention.
Specific embodiment
As described above, currently, collecting temperature using point temperature sensor when understanding data center's Temperature Distribution.In this way,
Point temperature sensor is just spaced and is mounted on the critical positions of entire data center, and can by Wi-Fi Aps or
RS485 returns temperature data from temperature sensor.But point temperature sensor and Wi-Fi AP are also required for source current,
Which in turns increases energy costs.In general, it is contemplated that the estimated cost of monitoring scheme controls, this point type temperature
Sensor installation number also can not be very much, if plus power supply and wiring, totle drilling cost be will further improve.And temperature of the invention
Optical fiber is layed in the rack by degree acquisition system, for acquiring the temperature data of the shelf position；By described in connection
The control equipment of optical fiber obtains the temperature data of the collecting fiber, to obtain the Temperature Distribution in data center.The present invention
Compared with traditional device based on point temperature sensor, monitored density is improved, sensing density can be improved hundred times or more,
So high density recognition capability can accomplish the temperature of each hot spot of real-time monitoring；Also, optical fiber can also be as transmission letter
Number medium, each of which sensor do not need plant-grid connection, can energy saving cost, and reduce the temperature in data center
Source.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to of the invention real
The specific embodiment for applying the temperature acquisition system of example is illustrated.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
The present invention is illustrated in further detail below in conjunction with attached drawing 1-3.
It is the temperature acquisition system schematic diagram of one embodiment of the invention shown in Fig. 1.
It is rack construction schematic diagram in embodiment illustrated in fig. 1 of the present invention shown in Fig. 2 and Fig. 3.
It is a kind of temperature acquisition system 100 of the present invention with reference to Fig. 1, for acquiring the Temperature Distribution in data center 200,
The rack 210 of several load bearing equipments of setting in data center 200.Possess millions server, routing in data center 200
Device, interchanger and storage equipment etc., rack 210 is for carrying these equipment.The temperature acquisition system 100 of the present embodiment includes light
Fibre 120, optical fiber 120 is layed in above-mentioned rack 210, for acquiring the temperature data of 210 position of rack.Rack 210 is carried
Equipment generate heat and can distribute to rack 210, therefore can directly acquire the temperature at rack 210.The system 100 is also wrapped
Control equipment 140 is included, the optical fiber 120 is connected, the temperature data acquired for obtaining the optical fiber 120.Wherein, optical fiber 120
It can be laid with along the frame of rack, the temperature data of 210 ambient enviroment of rack 210 and rack can be directly acquired.
Optical fiber sensing technology is using based on the certain optical characteristics of fiber medium, and acquisition is subjected to environment temperature when fiber medium
When degree and stress variation, caused temperature and the variation of stress meter amount.Compared with other method for sensing, Fibre Optical Sensor has transmission
The unique advantages such as, sensing point scale more and completely passive detection sensings wider apart from longer, measurement geographic range.For example,
Distributing optical fiber sensing (DTS) system of standard can support the transmission range of 30KM, be equivalent to along optical line by that can prop up
Hold up to 30,000 sensing points.The sensing point and its large-scale sensing data of such multi-quantity can smoothly draw one very much
Sensing schema mapping is opened, and each sensing point can successively show along optical fiber route.
The present invention provides reality using Distributed Optical Fiber Sensing Techniques, using lower cost and higher efficiency as data center
When, extremely intensive temperature monitoring mode.For example, one has 100,000 server, storage and other network equipments
Data center, may occupy 100,000 square feet of space, and need to install 100 point temperature sensors and 100
Wi-Fi APs.That is, 000 square feet of space can only collect a temperature data every 1, expense can exceed that 50,
000 dollar.If in addition power supply and wiring, totle drilling cost will further improve.And temperature acquisition system 100 of the present invention, in data
Standard fiber is installed in each rack at center 200.If data center 200 has 5,000 racks (assuming that each rack mixes
The server of 20 1U-4U), each rack uses 5 meters of long optical fiber, and total fiber lengths are about 25000 meters.Each rack
210 can collect one or more temperature detecting points.In view of other than institute's organic frame, optical fiber also needs that optical cable is guided to lay
To other spaces, optical fiber total length will need 30km.This will be by an independent distributed optical fiber sensing system support, the system
The continuous temperature in 30km distance range can be supported to monitor.
As it can be seen that temperature acquisition system 100 of the invention compared with traditional device based on point temperature sensor, improves
Monitored density, sensing density can be improved hundred times or more, is capable of the temperature of each hot spot of real-time monitoring.Also, optical fiber is also
Can be as transmission signal media, each of which sensor not need plant-grid connection, can energy saving cost, and reduce data
Temperature source in center.
Wherein, 120 quantity of optical fiber can be one or more.If a fiber lengths long enough, can be used one
Root optical fiber is laid with the rack in data center, can reduce power loss brought by adjacent rack welding optic fibre in this way, or
It reduces and uses optical fiber connector, saving cost keeps structure simpler.
In other examples, multifiber 120 also can be used to be laid with.For example, can be made with each rack
With one section of optical fiber, it is connected with each other between optical fiber, or be laid with using other set-up modes.Above-mentioned optical fiber 120 can be with welding or logical
Cross optical fiber connector connection.When being laid with using multifiber, there can be more multimode to be laid with, avoid using one
Inconvenience when optical fiber is laid with.
Optical fiber can also have different modes when being laid with.For example, fiber section covering or all the covering rack.
According to the Properties of Objects of acquisition, some frame top temperature are high, and bottom temp is not high, then it is contemplated that being only laid with top.This
Sample can save laying fiber optic materials, also can simplify process of deployment.
The temperature data of acquisition pre-position can be set in temperature acquisition system 100 of the present invention, for example, can be with harvester
The temperature of top of the trellis and/or side can set same or different acquisition position in each rack.In order to facilitate paving
If can first set scheduled acquisition position in data center before being laid with optical fiber and then be laid with.According to predetermined position
Difference, 120 paving mode of optical fiber can be different, such as can only be laid with pre-position or whole according to predetermined position
Cover rack.
The temperature acquisition system 100 that the present invention describes installs single mark along each rack 210 in data center 200
Quasi- telecommunication optical fiber, to measure temperature data at rack 210.The temperature value of acquisition is dissipated by the equipment in environment temperature and the rack
The influence of calorific value.Each rack can acquire one or more induction points.For example, can be in the collected overhead list of each rack
A sensing points can also collect three sensing points at the top of rack and two sides.With reference to Fig. 2,210 top of acquisition rack is shown
The schematic diagram of temperature data；With reference to Fig. 3, shows and located to acquire showing for temperature data at the top of rack 210 and two sides waist location
It is intended to.Therefore, foregoing data center will acquire 5,000 sense if each rack uses a sensing points in total
Measuring point will acquire 15,000 sensing points if each rack uses three sensing points in total.This sensing density obviously surpasses
The sensing density of conventional method offer is crossed, because conventional port temperature sensor is based on, in every 1,000 square feet of sky
Between in, a temperature data can only be collected.As it can be seen that the advantage increasing that the present invention can make full use of optical fiber progress temperature acquisition is adopted
Collect density, and reduces cost.
The present invention can control the sampling period of the optical fiber 120 by controlling equipment 140, to realize that acquisition is predetermined
Temperature data at position.In order to realize the acquisition of pre-position temperature, it is equidistantly positioned between predetermined position.
Control device 140 can be set to the different sampling intervals, range from several seconds to a few minutes, such as 10 seconds, 30
Second, 60 seconds, 5 minutes or 10 minutes.In data center, with the installation of optional equipment or the use of additional computing power, temperature
It would generally gradually rise, rather than sharply increase over time.
A specific sample point p (r) on the fixed range with control device, above-mentioned fixed range D can according to
Lower formula is calculated:
When sensing point is located at the left middle position of rack: D (r)=C0+ (r-1) * (C1+W+2*H)+H/2
When sensing point is located at frame top middle position: D (r)=C0+ (r-1) * (C1+W+2*H)+H+W/2
When sensing point is located at the right middle position of rack: D (r)=C0+ (r-1) * (C1+W+2*H)+H+W/2+H/2
In above-mentioned formula:
R is indicated: rack sequence number, is usually sequentially set according at a distance from control device, for example, the first rack, second
Rack ...；
C0 is indicated: the fixed range between control device and the first rack；
C1 is indicated: the fixed range (usually 1 meter) between two adjacent racks；
W is indicated: the width of rack；
H is indicated: the height of rack；
In this way, calculating the distance between sensing point and control device, then fixed range D is mapped as follows
Into the time T as unit of nanosecond:
T (r)=[D (r)/c] * 10^9 (nanosecond)
Wherein, c is the light velocity, 792 458 meter per second of c=299.
Once calculating time T, control device should arrange the poll of each point P (r) according to time T (r).
Wherein, poll refers to, receiving end reaches the time of receiving end according to the reflected light of preset each sensing point,
Its three kinds of different types of reflected lights are sampled, find out the intensity of corresponding each reflected three kinds of light of sensing point, so
The temperature at sensing point is calculated by a series of mathematical operation afterwards.Each sensing point on optical fiber is reflected back in receiving end
The process that light is sampled, also referred to as poll.
With reference to Fig. 1, above-mentioned temperature acquisition system 100 further includes imaging device 160, connects the control equipment 140, is used
Thermal imaging distribution map is generated in the temperature data acquired according to the control equipment 140.According to the temperature data of acquisition, can present
The thermal imaging distribution of each equipment position out.In this way, optimizing layout by vision thermal imaging status, avoid heat source.Consider
Thermal imaging distribution further can realize energy saving row by cut-offfing for automatic adjustment electricity consumption and cooling system and ventilating system
Consumption.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of temperature acquisition system, for acquiring Temperature Distribution in data center, several carrying numbers are arranged in the data center
According to the rack of equipment in center characterized by comprising
Optical fiber is layed in the rack, for acquiring the temperature data of the shelf position；
Equipment is controlled, the optical fiber is connected, for obtaining the temperature data of the collecting fiber.
2. temperature acquisition system according to claim 1, which is characterized in that the number of fibers is one or more.
3. temperature acquisition system according to claim 1 or 2, which is characterized in that be laid on optical fiber phase between adjacent rack
It connects.
4. temperature acquisition system according to claim 3, which is characterized in that the mutual welding of the optical fiber passes through optical fiber and connects
Connect device connection.
5. temperature acquisition system according to claim 1, which is characterized in that the fiber section covering or all coverings
The rack.
6. temperature acquisition system according to claim 1, which is characterized in that the control equipment is also used to control the light
The fine sampling period.
7. temperature acquisition system according to claim 1 or 6, which is characterized in that the control equipment controls the optical fiber
Acquire the temperature data of pre-position.
8. temperature acquisition system according to claim 7, which is characterized in that the predetermined position is located at the top of the rack
Portion and/or two sides.
9. temperature acquisition system according to claim 7, which is characterized in that be equidistantly positioned between the predetermined position.
10. temperature acquisition system according to claim 1, which is characterized in that further include:
Imaging device connects the control equipment, for generating thermal imaging point according to the temperature data of the control equipment acquisition
Butut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810073722.8A CN110081998A (en) | 2018-01-25 | 2018-01-25 | Temperature acquisition system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810073722.8A CN110081998A (en) | 2018-01-25 | 2018-01-25 | Temperature acquisition system |
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| CN110081998A true CN110081998A (en) | 2019-08-02 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102365536A (en) * | 2009-05-01 | 2012-02-29 | 富士通株式会社 | Temperature measurement system and temperature measurement method |
| CN104755892A (en) * | 2012-10-26 | 2015-07-01 | 富士通株式会社 | Temperature measuring system and abnormality detecting method |
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2018
- 2018-01-25 CN CN201810073722.8A patent/CN110081998A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102365536A (en) * | 2009-05-01 | 2012-02-29 | 富士通株式会社 | Temperature measurement system and temperature measurement method |
| CN104755892A (en) * | 2012-10-26 | 2015-07-01 | 富士通株式会社 | Temperature measuring system and abnormality detecting method |
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Application publication date: 20190802 |
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