CN209266524U - A kind of battery pack temperature measuring equipment - Google Patents
A kind of battery pack temperature measuring equipment Download PDFInfo
- Publication number
- CN209266524U CN209266524U CN201821747805.2U CN201821747805U CN209266524U CN 209266524 U CN209266524 U CN 209266524U CN 201821747805 U CN201821747805 U CN 201821747805U CN 209266524 U CN209266524 U CN 209266524U
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- China
- Prior art keywords
- interface
- data
- battery pack
- temperature measuring
- microprocessor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model provides a kind of battery pack temperature measuring equipment, including optical fiber, data-interface and microprocessor, and the optical fiber is connected with the data-interface, and the microprocessor parallel connection is connected and is connected with the data-interface；Multiple fibre optical sensors are provided on the optical fiber, the fibre optical sensor is set on battery surface；The microprocessor is connected by the fibre optical sensor with the data-interface, and the data-interface is connected with host computer.Pass through a kind of battery pack temperature measuring equipment provided by the utility model, continuous multipoint temperature measuring effectively can be realized to power battery pack, have many advantages, such as that precision is high, signal-to-noise ratio is high, demodulation difficulty is small, reduces the complexity of system light path structure, reduce system cost.
Description
Technical field
The utility model relates to a kind of temperature measuring equipment more particularly to a kind of battery pack temperature measuring equipments.
Background technique
Pure electric automobile has low noise, zero-emission etc. prominent a little, is the important of current the problems such as solving the energy, environmental protection
Approach.The performance of power battery of pure electric automobile packet has been largely fixed the performance of pure electric automobile, and temperature is to influence
One of the principal element of battery pack safety, efficiency for charge-discharge and service life etc., therefore the temperature inside accurate measurement battery pack
It is the design of battery pack heat management and improved basis.
Realize that the measurement of temperature information needs the central wavelength of accurate measurement fiber-optic grating sensor, it is inclined by measurement wavelength
Move the variable quantity for measuring temperature.Nowadays with the maturation of technology, the manufacture craft of fiber-optic grating sensor is further increased, system
Make cost to be then gradually reduced, creates possibility for the extensive application of fiber-optic grating sensor, thermometry in the prior art is not
It is suitble to the large-scale industrial application in battery pack.Therefore, industry needs to propose a kind of new battery pack temp measuring method, with more preferable
Raising battery pack safety.
Utility model content
The purpose of this utility model is to provide a kind of battery pack temperature measuring equipments, for carrying out continuous multiple spot temperature to battery pack
Degree measurement.
The technical solution of the utility model is to provide a kind of battery pack temperature measuring equipment, including optical fiber, data-interface and micro-
Processor, the optical fiber are connected with the data-interface, and the microprocessor parallel connection is connected and is connected with the data-interface；Institute
It states and is provided with multiple fibre optical sensors on optical fiber, the fibre optical sensor is set on battery surface；The microprocessor passes through
The fibre optical sensor is connected with the data-interface, and the data-interface is connected with host computer.
Preferably, the battery temperature information of acquisition is sent to the data-interface by the fibre optical sensor, by described
The microprocessor, which is uploaded to, after interface pretreatment demodulates real-time battery pack temperature.
Preferably, the microprocessor includes DBR laser and photoelectricity (FBG) demodulator.
Preferably, the data-interface is RJ45 Ethernet interface.
By a kind of battery pack temperature measuring equipment provided by the utility model, effectively power battery pack can be realized continuous more
Point temperature measurement has many advantages, such as that precision is high, signal-to-noise ratio is high, demodulation difficulty is small, reduces the complexity of system light path structure, drop
Low system cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model battery pack temperature measuring equipment.
Specific embodiment
It is right with reference to the accompanying drawing for the objectives, technical solutions, and advantages of the embodiments of the present invention are more clearly understood
The utility model embodiment is described in further details.Here, the illustrative embodiments and their description of the utility model are for solving
The utility model is released, but is not intended to limit the scope of the present invention.
The technical solution of the utility model is to provide a kind of battery pack temperature measuring equipment, including optical fiber, data-interface and micro-
Processor, optical fiber are connected with data-interface, and microprocessor parallel connection is connected and is connected with data-interface；Multiple light are provided on optical fiber
Fiber sensor, fibre optical sensor are set on battery pack surface；Microprocessor is connected by fibre optical sensor with data-interface, number
It is connected according to interface with host computer.The battery pack temperature information of acquisition is sent to data-interface by fibre optical sensor, pre- by interface
It is uploaded to microprocessor after processing and demodulates real-time battery pack temperature.Wherein microprocessor includes DBR laser and photoelectricity demodulation
Instrument；Data-interface uses RJ45 Ethernet interface.
Specifically, fibre optical sensor is contacted with battery pack surface, and is fixed by fixed device, passed using optical fiber
Sensor is connect with data-interface, and the reflected light signal that fibre optical sensor generates is by sending most processor after pretreatment, finally
The temperature data of acquisition is demodulated by photoelectricity (FBG) demodulator to obtain battery pack real time temperature numerical value.The light letter of DBR laser transmitting
Number wavelength is λ, the optical signal wave that wavelength output is returned with the frequency sweep time at once linear relationship λ=f (t), fibre optical sensor
A length of λ FBG, fibre optical sensor calculate reflected light signal wavelength X 1, λ 2, λ 3 ... λ n by asking peak algorithm, obtain battery
Each wavelength corresponding time point tn, n=1,2,3 ... N in the time-domain signal of fibre optical sensor in packet on each battery cell,
TFBG when time point can be further obtained by each wavelength corresponding time point, then combines tFBG that can obtain by λ=f (t)
The temperature value of the corresponding battery of optical wavelength at this time out, i.e. fibre optical sensor.
Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects
Step is described in detail, it should be understood that being not used to limit this foregoing is merely specific embodiment of the utility model
The protection scope of utility model, within the spirit and principle of the utility model, any modification for being made, changes equivalent replacement
Into etc., it should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of battery pack temperature measuring equipment, it is characterised in that: including optical fiber, data-interface and microprocessor, the optical fiber and institute
It states data-interface to be connected, the microprocessor parallel connection is connected and is connected with the data-interface；It is provided on the optical fiber multiple
Fibre optical sensor, the fibre optical sensor are set on battery surface；The microprocessor passes through the fibre optical sensor and institute
It states data-interface to be connected, the data-interface is connected with host computer.
2. a kind of battery pack temperature measuring equipment according to claim 1, it is characterised in that: the fibre optical sensor is by the electricity of acquisition
Pond packet temperature information is sent to the data-interface, is uploaded to the microprocessor after interface pretreatment and demodulates reality
When battery pack temperature.
3. a kind of battery pack temperature measuring equipment according to claim 1, it is characterised in that: the microprocessor includes DBR laser
Device and photoelectricity (FBG) demodulator.
4. a kind of battery pack temperature measuring equipment according to claim 1, it is characterised in that: the data-interface is RJ45 Ethernet
Interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821747805.2U CN209266524U (en) | 2018-10-26 | 2018-10-26 | A kind of battery pack temperature measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821747805.2U CN209266524U (en) | 2018-10-26 | 2018-10-26 | A kind of battery pack temperature measuring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209266524U true CN209266524U (en) | 2019-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821747805.2U Active CN209266524U (en) | 2018-10-26 | 2018-10-26 | A kind of battery pack temperature measuring equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN209266524U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463516A (en) * | 2020-04-14 | 2020-07-28 | 上海豫源电力科技有限公司 | Soft package battery module and manufacturing method thereof |
-
2018
- 2018-10-26 CN CN201821747805.2U patent/CN209266524U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463516A (en) * | 2020-04-14 | 2020-07-28 | 上海豫源电力科技有限公司 | Soft package battery module and manufacturing method thereof |
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