CN207263336U - A kind of temperature-measuring system of distributed fibers - Google Patents
A kind of temperature-measuring system of distributed fibers Download PDFInfo
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- CN207263336U CN207263336U CN201721338913.XU CN201721338913U CN207263336U CN 207263336 U CN207263336 U CN 207263336U CN 201721338913 U CN201721338913 U CN 201721338913U CN 207263336 U CN207263336 U CN 207263336U
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Abstract
It the utility model is related to a kind of temperature-measuring system of distributed fibers, including battery case, sensor fibre, optical fiber battery detection module and terminal device；Multiple battery cells are provided with the battery case, the sensor fibre is arranged in battery case on each battery cell, and the optical fiber battery detection module is connected by Transmission Fibers with sensor fibre；The optical fiber battery detection module is connected with terminal device.For the problem that battery cell does the temperature survey and monitoring management of differentiation in battery case, solve and be only capable of integrally carrying out temperature survey to battery case, the timely early warning when temperature anomaly occurs in battery cell, for the processing abnormal increase time, reduces security risk.
Description
Technical field
Battery temperature monitoring field and optical fiber temperature-measurement field are the utility model is related to, more particularly to a kind of distribution type fiber-optic is surveyed
Warm system.
Background technology
The development of electric automobile is carried out energetically by country, and 100% pure electric vehicle, while electronic vapour is being done step-by-step in city bus
Car also progressively covers taxi, car.With the extensive use of electric automobile, the safety of the high-capacity battery case of electric automobile
Property is paid close attention to all the more be subject to production firm, driver, passenger, and the security monitoring and early warning to battery case just become society and compel to be essential
Solve the problems, such as.
The prior art passes through the device measuring battery case key point such as infrared temperature sensor, digital temperature sensor mostly
Temperature, realizes the monitoring management to battery case temperature.Such mode is only capable of the temperature of measurement battery case entirety, and cannot be to electricity
The temperature of each point is monitored inside pond case, when in battery case some battery cell occur temperature it is excessive when, can not send out in time
It is existing, only cause battery case just to note abnormalities when explosion or fire integrally occurs when there is the excessive battery cell of temperature, exist
Great security risk.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, it is single the utility model proposes a kind of temperature-measuring system of distributed fibers
Solely in monitoring battery case each battery cell temperature, can find the temperature anomaly of any one battery cell in time, prevent into
Explosion or fire occur for one step, improve the security of battery.
The technical solution that the utility model solves above-mentioned technical problem is as follows：A kind of temperature-measuring system of distributed fibers, including
Battery case, sensor fibre, optical fiber battery detection module and terminal device；
Multiple battery cells are provided with the battery case, the sensor fibre is arranged on each battery cell in battery case
On, the optical fiber battery detection module is connected by Transmission Fibers with sensor fibre, and the sensor fibre on different battery cells leads to
Transmission Fibers are crossed to be interconnected in same light path；Optical fiber battery detection module is connected with terminal device；
The sensor fibre is used to gather Raman diffused light；
The optical fiber battery detection module be used for analyze Raman diffused light, obtain each battery cell real time temperature and with
Location information corresponding to real time temperature, the location information are used for the position for determining battery cell；The optical fiber battery detection
Module is additionally operable to judge whether the real time temperature of each battery cell is normal, and is being set when real time temperature occurs abnormal to terminal
There is the real time temperature and location information of abnormal battery cell in standby push；
The terminal device is used to show the real time temperature and location information for abnormal battery cell occur.
Specifically, the sensor fibre is coiled into the side that battery cell is arranged on after annular ring, for overcoming spatial discrimination
The problem of rate is too low；The sensor fibre is arranged on battery cell by way of stickup or wire casing or lock, has structure
The advantages of simple and easy for installation.
Further, the optical fiber battery detection module includes temperature value judging unit, dif ference judgment unit and velocity estimated
Unit；The optical fiber battery detection module judges whether temperature value, real time temperature difference and real-time temperature rise speed are normal successively, when
When temperature value, real time temperature difference and normal real-time temperature rise speed, judge that the real time temperature of battery cell is normal；
The temperature value judging unit is used for reduced temperature value and default temperature maximum, when temperature value ＜ maximum temperatures
It is determined as that temperature value is normal during value；It is determined as temperature value exception when temperature value >=temperature maximum；
The dif ference judgment unit calculates the temperature value of each battery cell and the real-time temperature of battery case temperature averages
Difference is spent, the battery case temperature averages are the average value of the temperature value of all battery cells in battery case；The difference is sentenced
Disconnected unit is used to contrast real time temperature difference and default safe temperature difference, when real time temperature difference ＜ safe temperature differences
It is determined as that real time temperature difference is normal；It is determined as real time temperature difference exception when real time temperature difference >=safe temperature difference；
The speed judgment unit is counted according to the variable quantity of each battery cell temperature value and corresponding temperature change time
Calculate the real-time temperature rise speed of each battery cell；The speed judgment unit is used to contrast real-time temperature rise speed and default safety
Temperature rise speed, is determined as that real-time temperature rise speed is normal when the safe temperature rise speeds of real-time temperature rise speed ＜；When real-time temperature rise speed
It is determined as that real-time temperature rise speed is abnormal during >=safe temperature rise speed.
Further, the optical fiber battery detection module further includes amending unit, for according to real time temperature and location information
The corresponding historical temperature data of each battery cell is obtained, and by historical temperature data periodically to temperature maximum, safety temperature
Degree difference and safe temperature rise speed are modified；
The amending unit sets up mathematical statistical model, according to the history temperature of each battery cell of mathematical statistics module analysis
Degrees of data, calculates temperature maximum actual in battery cell operational process, safe temperature difference and safe temperature rise speed, point
Temperature maximum, safe temperature difference and safe temperature rise speed that Yong be unactual replace default temperature maximum, safe temperature
Difference and safe temperature rise speed；
Wherein, analyze calculating process be to the temperature value in battery cell operational process, real time temperature difference and in real time
Temperature rise speed is averaged or median.
Further, a kind of temperature-measuring system of distributed fibers, further includes BMS devices, for obtaining battery cell in battery case
Working status, the working status includes charged state, discharge condition and idle state；Wherein, the BMS devices are battery
Management system Battery Management System, working status, state of charge and realization for monitoring battery cell are filled
The functions such as discharge prevention；
The optical fiber battery detection module is additionally operable to judge real time temperature of each battery cell under different working condition
It is whether normal, specifically include：
The optical fiber battery detection module preserves the history temperature according to the classification of charged state, discharge condition and idle state
Degrees of data；
The optical fiber battery detection module judges that each battery cell is filling by the historical temperature data under charged state
Whether the real time temperature under electricity condition is normal, and the optical fiber battery detection module is sentenced by the historical temperature data under discharge condition
Breaking, whether the real time temperature of each battery cell in the discharged condition is normal, and the optical fiber battery detection module passes through idle state
Under historical temperature data judge whether the real time temperature of each battery cell in an idle state normal.
Further, sensor fibre gathers Raman diffused light with default sampling clock, and the optical fiber battery detection module is also
Including clock delay unit, for carrying out delay process to sampling clock, sensor fibre collection Raman diffused light specifically includes：
Raman diffused light is gathered with default sampling clock for the first time；
Delay operation, the sampling clock after being delayed are performed to default sampling clock；
Raman diffused light is gathered with the sampling clock after delay for the second time.
Brief description of the drawings
Fig. 1 is a kind of flow chart of distributed optical fiber temperature measuring method of the utility model；
Fig. 2 is a kind of schematic diagram of temperature-measuring system of distributed fibers of the utility model.
In attached drawing, parts list represented by the reference numerals is as follows：
1st, battery case, 2, battery cell, 3, sensor fibre, 4, Transmission Fibers, 5, optical fiber battery detection module, 6, terminal sets
It is standby.
Embodiment
The principle and feature of the utility model are described below in conjunction with attached drawing, example is served only for explaining this practicality
It is new, it is not intended to limit the scope of the utility model.
As shown in Figure 1, Fig. 1 is a kind of flow chart of distributed optical fiber temperature measuring method of the utility model.A kind of distribution light
Fine temp measuring method, specifically includes step：
S1. Raman diffused light is gathered by sensor fibre 3, the sensor fibre 3 is arranged in battery case 1 each battery list
On body 2；
S2. analyze Raman diffused light, obtain each battery cell 2 real time temperature and with the positioning corresponding to real time temperature
Information, the location information are used for the position for determining battery cell 2；
S3. judge whether the real time temperature of each battery cell 2 is normal；
S4. when real time temperature occurs abnormal, there is the real time temperature and location information of abnormal battery cell 2 in push.
Wherein, the principle for temperature information being obtained by Raman diffused light is：Raman occurs when laser transmits in a fiber
Scattering, Raman diffused light are divided into stokes light and anti-Stokes light.When optical fiber is heated, the change of anti-Stokes light is opposite
The change of stokes light is much bigger.Using this characteristic, believe through wavelength division multiplexer and photoelectric detector collection with temperature
The Raman Back Scattering optical signal of breath, real-time temperature information can be demodulated through signal processing.
The principle that location information is obtained by Raman diffused light is：Utilize optical time domain reflection technology Optical Time
Domain Reflection, can according to laser transmission rate in a fiber and the echo time of Raman Back Scattering optical signal
To be positioned to temperature spot.By Raman diffused light obtain battery cell 2 real time temperature and with real time temperature corresponding to
Location information, realizes the distributed measurement of fiber optic temperature field.
The beneficial effects of the utility model are：Temperature survey and the prison of differentiation are done for battery cell 2 in battery case 1
Keyholed back plate is managed, and solves the problems, such as to be only capable of carrying out temperature survey to the entirety of battery case 1, when avoiding single battery 2 temperature anomaly of monomer
Cannot timely early warning.The timely early warning when temperature anomaly occurs in battery cell 2, for the processing abnormal increase time, it is hidden to reduce safety
Suffer from.
Preferably, the S3 includes judging whether temperature value, real time temperature difference and real-time temperature rise speed are normal successively, when
Judge that the real time temperature of battery cell 2 is normal when temperature value, real time temperature difference and normal real-time temperature rise speed, the S3 tools
Body includes：
S31. reduced temperature value and default temperature maximum, are determined as temperature value just when temperature value ＜ temperature maximums
Often, S32 is performed, determines whether real time temperature difference is normal；It is determined as temperature value when temperature value >=temperature maximum
It is abnormal, perform S4；
S32. 1 temperature averages of battery case are obtained, 1 temperature averages of battery case are all battery lists in battery case 1
The average value of the temperature value of body 2, calculates the temperature value of each battery cell 2 and the real time temperature of 1 temperature averages of battery case
Difference, wherein, temperature value-battery case temperature averages of real time temperature difference=battery cell.Contrast real time temperature difference with
Default safe temperature difference, is determined as that real time temperature difference is normal when real time temperature difference ＜ safe temperature differences, performs
S33, determines whether real-time temperature rise speed is normal；It is determined as real-time temperature when real time temperature difference >=safe temperature difference
It is abnormal to spend difference, performs S4；
S33. each battery list is calculated according to the variable quantity of each 2 temperature value of battery cell and corresponding temperature change time
The real-time temperature rise speed of body 2, contrasts real-time temperature rise speed and default safe temperature rise speed, when real-time temperature rise speed ＜ safety temperature
It is determined as that real-time temperature rise speed is normal during lifting speed, judges that the real time temperature of battery cell 2 is normal at this time；When real-time temperature rise speed
It is determined as that real-time temperature rise speed is abnormal during >=safe temperature rise speed, performs S4.Wherein, the change of real-time temperature rise speed=temperature value
Amount/temperature change time.
Unlike the prior art, above-mentioned technical proposal judges whether the real time temperature of battery cell 2 is normal by three steps.First
Judge whether temperature value is normal, when the default temperature maximums of temperature value ＜, illustrate that temperature value is normal；In order to exclude season,
Influence of the factors such as environment to 2 temperature of battery cell, determines whether real time temperature difference is normal, when real time temperature difference
During ＜ safe temperature differences, it is just for other battery cells 2 in same battery case 1 to illustrate some battery cell 2
Normal, then judge that the real time temperature difference of the battery cell 2 is normal；In order to be predicted to potential abnormal risk, further
Judge whether real-time temperature rise speed is normal, when real-time temperature rise speed >=safe temperature rise speed, illustrate there are abnormal risk, then to sentence
It is abnormal to be set to real-time temperature rise speed.When temperature value, real time temperature difference and normal real-time temperature rise speed, battery cell 2 is judged
Real time temperature it is normal；There are an exception in temperature value, real time temperature difference and real-time temperature rise speed, battery cell 2 is judged
Real time temperature it is abnormal.Monitor the state of battery cell 2 various dimensions through the above scheme, can not only find temperature value in time
The exception of appearance, also can be reference with whole battery case 1, exclude the influences of the factor to 2 temperature of battery cell such as season, environment,
Rate of false alarm is reduced, potential abnormal risk can be more predicted, reduce security risk to greatest extent.
Preferably, the S2 is further included obtains each 2 corresponding history of battery cell according to real time temperature and location information
Temperature data, is periodically modified temperature maximum, safe temperature difference and safe temperature rise speed by historical temperature data.
In the range of certain time, the information not only temperature value of real time temperature, further includes real time temperature difference and real-time temperature rise speed, real
When the temperature gap temperature value and the difference of battery case mean temperature of some battery cell that collect for sensor fibre 3；In real time
Temperature rise speed is then the change rate of real time temperature difference in certain time.Makeover process specifically includes：
Mathematical statistical model is set up, according to the historical temperature data of each battery cell 2 of mathematical statistics module analysis, is calculated
Go out temperature maximum actual in 2 operational process of battery cell, safe temperature difference and safe temperature rise speed, and respectively with actual
Temperature maximum, safe temperature difference and safe temperature rise speed replace default temperature maximum, safe temperature difference and peace
Full temperature rise speed；
The process that analysis calculates is to the temperature value in 2 operational process of battery cell, real time temperature difference and real-time temperature rise
Speed is averaged or median, and analyzing the process of calculating can also include taking variance yields, standard deviation etc..
Battery case 1 is just preset with the parameters such as temperature maximum, safe temperature difference and safe temperature rise speed before dispatching from the factory, and uses
In state of the reflection battery cell 2 under preferable operating mode, it is poor still, between each battery cell 2 in same battery case 1 to exist
It is different, in addition same battery cell 2 in different time because continuous aging can also have differences, its actual parameter also can gradually become
Change, therefore, default temperature maximum, safe temperature difference and safe temperature rise speed are suitable for the incipient stage, it also requires
Constantly temperature maximum, safe temperature difference and safe temperature rise speed are updated during use, with preferably suitable
Answer the virtual condition of each battery cell 2.Above-mentioned technical proposal by the method for mathematical statistics obtain actual temperature maximum,
Safe temperature difference and safe temperature rise speed, and to default temperature maximum, safe temperature difference and safe temperature rise speed into
Row regularly updates, and can eliminate the parameter differences of parameter differences between battery cell 2 and battery cell 2 in different times, survey
Warm result is more accurate.Each data acquisition, can all obtain one group of data and be stored in historical temperature data, in a manner of being averaged
Illustrate how to calculate actual temperature maximum：In the past period, the actual temperature of certain battery cell 2 is measured
Respectively 50,50,55,60 and 55, are averaged above-mentioned temperature to obtain 54, then are actual temperature maximum with 54.Assuming that
Default temperature maximum is 60, and it is then to replace 60 with 54 that temperature maximum, which is updated, is used as new temperature maximum
It is used as criterion.Specifically, the update cycle can be one week, two weeks and one month etc., depending on actual conditions.
Preferably, a kind of distributed optical fiber temperature measuring method, the S3, which is further included, judges each battery cell 2 in different operating
Whether the real time temperature under state is normal, specifically includes：
By BMS devices obtain battery case 1 in battery cell 2 working status, the working status include charged state,
Discharge condition and idle state；
The historical temperature data is preserved according to the classification of charged state, discharge condition and idle state；
Judge that the real time temperature of each battery cell 2 in the charge state is by the historical temperature data under charged state
It is no normal, judge that the real time temperature of each battery cell 2 in the discharged condition is by the historical temperature data under discharge condition
It is no normal, judge that the real time temperature of each battery cell 2 in an idle state is by the historical temperature data under idle state
It is no normal.
State of temperature of the battery cell 2 in different working statuses is different, the temperature under charged state and discharge condition
Degree is higher, and temperature in an idle state is relatively low.The working status that BMS devices determine each battery cell 2 is first passed through, further according to
Different working statuses judges whether the real time temperature of each battery cell 2 is normal, is further ensured that the accuracy of temperature-measuring results.
Preferably, Raman diffused light is gathered with default sampling clock by sensor fibre 3, the S1 is specifically included：
Raman diffused light is gathered with default sampling clock for the first time；
Delay operation, the sampling clock after being delayed are performed to default sampling clock；
Raman diffused light is gathered with the sampling clock after delay for the second time.
The utility model gathers Raman diffused light by the sensor fibre 3 being arranged on battery cell 2, when the sky of system
Between resolution ratio it is relatively low when, it has to annular ring is arranged on again the side of battery cell 2 after annular ring by the way that sensor fibre 3 is coiled into
Face or other positions, the shortcomings that to overcome spatial resolution low.The spatial resolution of system is determined by the sampling interval, is such as worked as and is adopted
When sample is at intervals of 10ns, sampling clock 0ns, 10ns, 20ns, 30ns ..., corresponding spatial resolution are C=10ns* light
Speed, spatial resolution at this time is relatively low, for the clear temperature information for differentiating two neighboring battery cell 2, it is necessary to assure be coiled into
The overall length of the sensor fibre 3 of annular ring is not less than C, and long annular ring can bring complicated installation, waste material and reduce system
The problems such as reliability of uniting.By carrying out delay process to sampling clock according to sampling clock, the space of system can be effectively improved
Resolution ratio.The spatial resolution of system is determined by the sampling interval, such as when the sampling interval is 10ns, with default sampling clock
Once gather Raman diffused light, sampling clock 0ns, 10ns, 20ns, 30ns ...；Then default sampling clock is performed
Delay operation, the sampling clock after being delayed is 5ns, 15ns, 25ns, 35ns ..., through the above technical solutions, around cyclization
The minimum value of 3 overall length of sensor fibre of shape circle shortens to C/2, reduces the length of annular ring, improves spatial resolution.Specifically,
For the delay operation for sampling clock is delayed backward, amount of delay is the half in sampling interval；When amount of delay is the sampling interval
Spatial resolution highest during half.
As shown in Fig. 2, Fig. 2 is a kind of schematic diagram of temperature-measuring system of distributed fibers of the utility model.A kind of distribution light
Fine temp measuring system, including battery case 1, sensor fibre 3, Transmission Fibers 4, optical fiber battery detection module 5 and terminal device 6；
Multiple battery cells 2 are provided with the battery case 1, the sensor fibre 3 is arranged on each battery in battery case 1
On monomer 2, the optical fiber battery detection module 5 is connected by Transmission Fibers 4 with sensor fibre 3, the biography on different battery cells 2
Photosensitive fine 3 are interconnected in same light path by Transmission Fibers 4；Optical fiber battery detection module 5 is connected with terminal device 6；
The sensor fibre 3 is used to gather Raman diffused light；
The optical fiber battery detection module 5 be used for analyze Raman diffused light, obtain each battery cell 2 real time temperature and
With the location information corresponding to real time temperature, the location information is used for the position for determining battery cell 2；The optical fiber battery prison
Module 5 is surveyed to be additionally operable to judge whether the real time temperature of each battery cell 2 is normal, and to end when when real time temperature appearance exception
There is the real time temperature and location information of abnormal battery cell 2 in the push of end equipment 6；
The terminal device 6 is used to show the real time temperature and location information for abnormal battery cell 2 occur.
Specifically, the sensor fibre 3 is coiled into the side that battery cell 2 is arranged on after annular ring, for overcoming space point
The problem of resolution is too low；The sensor fibre 3 is arranged on battery cell 2 by way of stickup or wire casing or lock, is had
The advantages of simple in structure and easy for installation；The optical fiber battery detection module 5 includes MCU units.
Preferably, the optical fiber battery detection module 5 includes temperature value judging unit, dif ference judgment unit and velocity estimated
Unit；The optical fiber battery detection module 5 judges whether temperature value, real time temperature difference and real-time temperature rise speed are normal successively,
When temperature value, real time temperature difference and normal real-time temperature rise speed, judge that the real time temperature of battery cell 2 is normal；
The temperature value judging unit is used for reduced temperature value and default temperature maximum, when temperature value ＜ maximum temperatures
It is determined as that temperature value is normal during value；It is determined as temperature value exception when temperature value >=temperature maximum；
The dif ference judgment unit calculates the real-time of the temperature value of each battery cell 2 and 1 temperature averages of battery case
Temperature gap, 1 temperature averages of battery case are the average value of the temperature value of all battery cells 2 in battery case 1；The difference
Value judging unit is used to contrast real time temperature difference and default safe temperature difference, when real time temperature difference ＜ safe temperatures are poor
It is determined as that real time temperature difference is normal during value；It is determined as that real time temperature difference is different when real time temperature difference >=safe temperature difference
Often；
The speed judgment unit is counted according to the variable quantity of each 2 temperature value of battery cell and corresponding temperature change time
Calculate the real-time temperature rise speed of each battery cell 2；The speed judgment unit is used to contrast real-time temperature rise speed and default peace
Full temperature rise speed, is determined as that real-time temperature rise speed is normal when the safe temperature rise speeds of real-time temperature rise speed ＜；When real-time temperature rise speed
It is determined as that real-time temperature rise speed is abnormal during degree >=safe temperature rise speed.
Preferably, the optical fiber battery detection module 5 further includes amending unit, for according to real time temperature and location information
Each 2 corresponding historical temperature data of battery cell is obtained, and by historical temperature data periodically to temperature maximum, safety temperature
Degree difference and safe temperature rise speed are modified；
The amending unit sets up mathematical statistical model, according to the history of each battery cell 2 of mathematical statistics module analysis
Temperature data, calculates temperature maximum actual in 2 operational process of battery cell, safe temperature difference and safe temperature rise speed
Degree, replaces default temperature maximum, safety with actual temperature maximum, safe temperature difference and safe temperature rise speed respectively
Temperature gap and safe temperature rise speed；
Wherein, analyze calculating process be to the temperature maximum in 2 operational process of battery cell, safe temperature difference and
Safe temperature rise speed is averaged or median.
Preferably, a kind of temperature-measuring system of distributed fibers, further includes BMS devices, and the BMS devices are integrated in optical fiber battery
Monitoring modular 5 is provided separately with optical fiber battery detection module 5, for obtaining the work of each battery cell 2 in battery case 1
State, the working status include charged state, discharge condition and idle state；Wherein, the BMS devices are battery management system
Unite Battery Management System, for monitoring the working status of battery cell, state of charge and realizing that discharge and recharge is protected
The functions such as shield；
The optical fiber battery detection module 5 is additionally operable to judge real-time temperature of each battery cell 2 under different working condition
Whether degree is normal, specifically includes：
The optical fiber battery detection module 5 preserves the history according to the classification of charged state, discharge condition and idle state
Temperature data；
The optical fiber battery detection module 5 judges that each battery cell 2 exists by the historical temperature data under charged state
Whether the real time temperature under charged state is normal, and the optical fiber battery detection module 5 passes through the historical temperature number under discharge condition
It is judged that whether the real time temperature of each battery cell 2 in the discharged condition is normal, the optical fiber battery detection module 5 passes through the spare time
Historical temperature data under configuration state judges whether the real time temperature of each battery cell 2 in an idle state is normal.
Preferably, sensor fibre 3 gathers Raman diffused light, the optical fiber battery detection module 5 with default sampling clock
Clock delay unit is further included, for carrying out delay process to sampling clock, sensor fibre 3 gathers Raman diffused light and specifically wraps
Include：
Raman diffused light is gathered with default sampling clock for the first time；
Delay operation, the sampling clock after being delayed are performed to default sampling clock；
Raman diffused light is gathered with the sampling clock after delay for the second time.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within new spirit and principle, any modification, equivalent replacement, improvement and so on, should be included in the guarantor of the utility model
Within the scope of shield.
Claims (6)
1. a kind of temperature-measuring system of distributed fibers, it is characterised in that including battery case, sensor fibre, optical fiber battery detection module
And terminal device；
Multiple battery cells are provided with the battery case, the sensor fibre is arranged in battery case on each battery cell,
The optical fiber battery detection module is connected by Transmission Fibers with sensor fibre；The optical fiber battery detection module and terminal device
It is connected.
A kind of 2. temperature-measuring system of distributed fibers according to claim 1, it is characterised in that the biography on different battery cells
Photosensitive fibre is interconnected in same light path by Transmission Fibers.
3. a kind of temperature-measuring system of distributed fibers according to claim 1, it is characterised in that the sensor fibre is around cyclization
The side of battery cell is arranged on after shape circle.
4. a kind of temperature-measuring system of distributed fibers according to claim 1, it is characterised in that the sensor fibre passes through viscous
Patch or the mode of wire casing or lock are arranged on battery cell.
A kind of 5. temperature-measuring system of distributed fibers according to claim 1, it is characterised in that BMS devices are further included, it is described
BMS devices are connected with optical fiber battery detection module.
A kind of 6. temperature-measuring system of distributed fibers according to claim 1, it is characterised in that the optical fiber battery detection mould
Block includes MCU.
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| CN201721338913.XU CN207263336U (en) | 2017-10-18 | 2017-10-18 | A kind of temperature-measuring system of distributed fibers |
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| CN201721338913.XU CN207263336U (en) | 2017-10-18 | 2017-10-18 | A kind of temperature-measuring system of distributed fibers |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580039A (en) * | 2019-01-31 | 2019-04-05 | 武汉理工大学 | Battery temperature based on intensive fiber grating temperature sensor monitors system |
| CN110455435A (en) * | 2019-07-31 | 2019-11-15 | 中国计量大学 | It is a kind of based on seamless steel pipe composite fiber coal gasifier outer wall temp measuring method |
| CN111082166A (en) * | 2019-11-20 | 2020-04-28 | 国网江苏省电力有限公司电力科学研究院 | Electrochemical energy storage safety early warning system and method |
| CN113865743A (en) * | 2021-10-13 | 2021-12-31 | 广东感芯激光科技有限公司 | Optical fiber distributed battery multipoint temperature measurement system and application |
-
2017
- 2017-10-18 CN CN201721338913.XU patent/CN207263336U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580039A (en) * | 2019-01-31 | 2019-04-05 | 武汉理工大学 | Battery temperature based on intensive fiber grating temperature sensor monitors system |
| CN110455435A (en) * | 2019-07-31 | 2019-11-15 | 中国计量大学 | It is a kind of based on seamless steel pipe composite fiber coal gasifier outer wall temp measuring method |
| CN111082166A (en) * | 2019-11-20 | 2020-04-28 | 国网江苏省电力有限公司电力科学研究院 | Electrochemical energy storage safety early warning system and method |
| CN113865743A (en) * | 2021-10-13 | 2021-12-31 | 广东感芯激光科技有限公司 | Optical fiber distributed battery multipoint temperature measurement system and application |
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