CN106872047B - A kind of temperature testing method of battery, apparatus and system - Google Patents
A kind of temperature testing method of battery, apparatus and system Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
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Abstract
A kind of temperature testing method of battery, apparatus and system, are related to battery technology field, for reducing the error between the temperature of the battery measured and the actual temperature of battery.The infrared image obtained when this method comprises: obtaining the infra-red radiation in the thermometric face of thermal infrared imager detection battery, and analytical calculation is carried out to infrared image, environmental parameter and/or thermometric angle when obtaining the test temperature in the thermometric face of battery, and detecting the infra-red radiation in the thermometric face of battery according to thermal infrared imager are modified test temperature.Wherein, angle when thermometric angle is the infra-red radiation in the thermometric face that thermal infrared imager detects battery, between the direction and the vertical line in the thermometric face of battery of the camera lens of thermal infrared imager.The embodiment of the present invention is used for the temperature test of battery.
Description
Technical field
The present invention relates to battery technology field more particularly to a kind of temperature testing methods of battery, apparatus and system.
Background technique
Under the overall background of light assets, the preparation time of the battery in the construction criteria of China carrier data center is by 30
Minute becomes 15 minutes and following, it is intended to reduce the configuration of battery by shortening the preparation time of battery, reach reduction
The purpose of investment.Therefore, have the high magnification valve controlled sealed lead-acid accumulator of preferable heavy-current discharge characteristic instead of general
Lead to lead-acid accumulator and becomes first choice.However, the electric discharge of high magnification valve controlled sealed lead-acid accumulator invariable power can generate largely
Heat battery temperature is increased, this can bring great security risk and hidden danger to data center, need by test high power
Temperature when rate valve controlled sealed lead-acid accumulator invariable power discharges, to determine that the high magnification valve controlled sealed lead-acid accumulator is
It is no to work on.
High magnification valve controlled sealed lead-acid accumulator invariable power is tested the prior art mainly adopts contact temperature-measuring mode to put
Temperature when electric, this mode can directly obtain the temperature of battery surface contact point, but due to contact temperature-measuring needs and quilt
It surveys object and carries out sufficient heat exchange, need to can be only achieved thermal balance, therefore thermometric lag after a period of time, can not measure instantaneous
Temperature, and measured temperature is the temperature with the contact point of the battery, temperature-measuring range limitation；In addition, the electric power storage tank discharge is not
A large amount of heat, which can only be generated, can also generate corrosive gas, and high temperature and corrosive gas will affect performance and the longevity of temp probe
Life；Furthermore contact temperature-measuring is easy that thermometric need to be carried out in equipment downtime by electromagnetic interference.
Due to the defect of above-mentioned contact temperature-measuring mode, infrared temperature-test technology gradually replaces contact temperature-measuring method to be pushed away
Wide application.Infrared temperature-test technology reaction speed is fast, temperature-measuring range is wide, while anti-electromagnetic interference capability is very strong, during thermometric
Temperature data can be analyzed, there is very high economic benefit and application value.It is valve-regulated for data center's high magnification
The case where sealed lead acid storage battery invariable power discharges, preferably uses infrared measurement of temperature method.However, due to using infrared measurement of temperature at present
When method, not in view of environmental parameter (for example, environment temperature or wind speed etc.) and/or thermometric angle are valve controlling sealed to high magnification
The influence of the temperature of lead-acid accumulator, so that there are larger mistakes between the temperature of the battery measured and the actual temperature of battery
Difference, this can bring security risk to the practical application of batteries for high discharge rate.
Summary of the invention
The embodiment of the present invention provides a kind of temperature testing method of battery, apparatus and system, measures for reducing
Error between the temperature of battery and the actual temperature of battery.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that
In a first aspect, providing a kind of temperature testing method of battery, comprising:
The infrared image obtained when obtaining the infra-red radiation in the thermometric face of thermal infrared imager detection battery；
Analytical calculation is carried out to infrared image, obtains the test temperature in the thermometric face of battery；
The environmental parameter and/or thermometric angle pair when the infra-red radiation in the thermometric face of battery are detected according to thermal infrared imager
Test temperature is modified, wherein infrared when thermometric angle is the infra-red radiation in the thermometric face that thermal infrared imager detects battery
Angle between the direction and the vertical line in the thermometric face of battery of the camera lens of thermal imaging system.
Optionally, the environmental parameter and/or survey when the infra-red radiation in the thermometric face of battery are detected according to thermal infrared imager
Warm angle, which is modified test temperature, includes:
Environment temperature when detecting the infra-red radiation in the thermometric face of battery using thermal infrared imager reduces test temperature, and
It is amplified to result is reduced, to obtain revised test temperature.
Optionally, the environmental parameter and/or survey when the infra-red radiation in the thermometric face of battery are detected according to thermal infrared imager
Warm angle, which is modified test temperature, includes:
According to environment temperature and formula:Test temperature is modified；
Wherein, TsFor revised test temperature, TcFor test temperature, ThFor environment temperature, ε is the thermometric face of battery
Emissivity, m is constant.
Optionally, the environmental parameter and/or survey when the infra-red radiation in the thermometric face of battery are detected according to thermal infrared imager
Warm angle, which is modified test temperature, includes:
According to thermometric angle, environment temperature and formula:Test temperature is repaired
Just,
Wherein, TsFor revised test temperature, TcFor test temperature, ThFor environment temperature, m is constant, and θ is thermometric angle
Degree.
Optionally, there are corresponding relationships for the value of m and the wavelength detection range of thermal infrared imager.
Optionally, the environmental parameter and/or survey when the infra-red radiation in the thermometric face of battery are detected according to thermal infrared imager
Warm angle, which is modified test temperature, includes:
Using thermal infrared imager detection battery thermometric face infra-red radiation when thermometric wind speed and default wind speed ratio
Value is modified test temperature.
Optionally, the environmental parameter and/or survey when the infra-red radiation in the thermometric face of battery are detected according to thermal infrared imager
Warm angle, which is modified test temperature, includes:
According to thermometric wind speed and formula:Test temperature is modified；
Wherein, TsFor the test temperature in the thermometric face of revised battery, TcFor the test temperature in the thermometric face of battery
Degree, FcTo test wind speed；F1To preset wind speed.
Optionally, the Infrared Thermogram packet obtained when obtaining the infra-red radiation in the thermometric face of thermal infrared imager detection battery
It includes:
It obtains at a distance between thermometric face of the thermal infrared imager with battery in the case where be pre-determined distance, infrared thermal imagery
The infrared image obtained when the infra-red radiation in the thermometric face of instrument detection battery；Pre-determined distance meets formula S≤Lf, wherein S
For pre-determined distance, L is cornerwise length in the thermometric face of battery, and f is the spatial resolution of infra-red thermal imaging instrument.
Optionally, the emissivity in all thermometric faces of battery is all the same.
Optionally, thermal infrared imager carries out the preheating of preset time before the thermometric face of detection battery.
Second aspect provides a kind of temperature testing device, which includes: to obtain module, processing module and correction module；
Module is obtained, the infrared figure obtained when for obtaining the infra-red radiation in the thermometric face that thermal infrared imager detects battery
Picture；
Processing module obtains the test temperature in the thermometric face of battery for carrying out analytical calculation to infrared image；
Correction module, for according to thermal infrared imager detect battery thermometric face infra-red radiation when environmental parameter
And/or thermometric angle is modified test temperature, wherein thermometric angle is the thermometric face that thermal infrared imager detects battery
Angle when infra-red radiation, between the direction and the vertical line in the thermometric face of battery of the camera lens of thermal infrared imager.
Optionally, correction module be specifically used for using thermal infrared imager detection battery thermometric face infra-red radiation when
Environment temperature reduces test temperature, and amplifies to result is reduced, to obtain revised test temperature.
Optionally, correction module is specifically used for, according to environment temperature and formula:To test
Temperature is modified；
Wherein, TsFor revised test temperature, TcFor test temperature, ThFor environment temperature, ε is the thermometric face of battery
Emissivity, m is constant.
Optionally, correction module is specifically used for, according to thermometric angle, environment temperature and formula:
Test temperature is modified,
Wherein, TsFor revised test temperature, TcFor test temperature, ThFor environment temperature, m is constant, and θ is thermometric angle
Degree.
Optionally, there are corresponding relationships for the value of m and the wavelength detection range of thermal infrared imager.
Optionally, correction module is specifically used for, when detecting the infra-red radiation in the thermometric face of battery using thermal infrared imager
Thermometric wind speed and the ratio of default wind speed test temperature is modified.
Optionally, correction module is specifically used for according to thermometric wind speed and formula:Test temperature is carried out
Amendment；
Wherein, TsFor the test temperature in the thermometric face of revised battery, TcFor the test temperature in the thermometric face of battery
Degree, FcTo test wind speed；F1To preset wind speed.
Optionally, it obtains module to be specifically used for, obtains at a distance between thermometric face of the thermal infrared imager with battery and be
In the case where pre-determined distance, thermal infrared imager detects the infrared image obtained when the infra-red radiation in the thermometric face of battery；It is default
Distance meets formula S≤Lf, wherein S is pre-determined distance, and L is cornerwise length in the thermometric face of battery, and f is infrared
The spatial resolution of thermal imaging system.
The third aspect provides a kind of temp measuring system, which includes: thermal infrared imager and such as above-mentioned second aspect institute
The temperature testing device stated, thermal infrared imager are used to detect the infra-red radiation in the thermometric face of battery.
Optionally, the distance between thermometric face of thermal infrared imager and battery is pre-determined distance, and pre-determined distance meets public
Formula S≤Lf, wherein S is pre-determined distance, and L is cornerwise length in the thermometric face of battery, and f is the sky of infra-red thermal imaging instrument
Between resolution ratio.
Temperature testing method, the apparatus and system of battery provided in an embodiment of the present invention, available thermal infrared imager
The infrared image obtained when detecting the infra-red radiation in the thermometric face of battery, and analytical calculation is carried out to infrared image, it is stored
The test temperature in the thermometric face of battery, and according to thermal infrared imager detect battery thermometric face infra-red radiation when environment
Parameter and/or thermometric angle are modified test temperature.Wherein, thermometric angle is the thermometric that thermal infrared imager detects battery
The angle when infra-red radiation in face, between the direction and the vertical line in the thermometric face of battery of the camera lens of thermal infrared imager.Therefore exist
When using infrared measurement of temperature method, it is contemplated that environmental parameter and/or thermometric angle are to high magnification valve controlled sealed lead-acid accumulator
The influence of temperature, and test temperature is modified according to environmental parameter and/or thermometric angle, so as to reduce the storage measured
Error between the temperature of battery and the actual temperature of battery.
Detailed description of the invention
Fig. 1 is a kind of method schematic diagram one of the temperature testing method of battery provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of battery provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of battery group provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram of thermometric angle provided in an embodiment of the present invention；
Fig. 5 is a kind of method schematic diagram two of the temperature testing method of battery provided in an embodiment of the present invention；
Fig. 6 is a kind of method schematic diagram three of the temperature testing method of battery provided in an embodiment of the present invention；
Fig. 7 is a kind of method schematic diagram four of the temperature testing method of battery provided in an embodiment of the present invention；
Fig. 8 is a kind of method schematic diagram five of the temperature testing method of battery provided in an embodiment of the present invention；
Fig. 9 is a kind of method schematic diagram six of the temperature testing method of battery provided in an embodiment of the present invention；
Figure 10 is a kind of structural schematic diagram one of temperature testing device provided in an embodiment of the present invention；
Figure 11 is a kind of structural schematic diagram two of temperature testing device provided in an embodiment of the present invention；
Figure 12 provides a kind of structural schematic diagram one of temp measuring system for the embodiment of the present invention；
Figure 13 provides a kind of structural schematic diagram two of temp measuring system for the embodiment of the present invention.
Specific embodiment
The temperature testing method of battery provided in an embodiment of the present invention, apparatus and system are carried out with reference to the accompanying drawing detailed
Thin description.
In embodiments of the present invention, " illustrative " or " such as " etc. words for indicate make example, illustration or explanation.This
Be described as in inventive embodiments " illustrative " or " such as " any embodiment or design scheme be not necessarily to be construed as comparing
Other embodiments or design scheme more preferably or more advantage.Specifically, use " illustrative " or " such as " etc. words purport
Related notion is being presented in specific ways.
The terms "and/or", only a kind of incidence relation for describing affiliated partner, indicates that there may be three kinds of passes
System, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.Symbol herein
Number "/" indicates that affiliated partner is that relationship such as A/B perhaps indicates A or B.
The executing subject of the temperature testing method of battery provided in an embodiment of the present invention can be temperature testing device.Tool
Body, which can be computer, the hardware module and/or software module being also possible in computer.
As shown in Figure 1, the embodiment of the present invention provides a kind of temperature testing method of battery, include the following steps S11-
S13:
The infrared image obtained when the infra-red radiation in the thermometric face of S11, acquisition thermal infrared imager detection battery.
In general, thermal infrared imager, can receive the infrared energy that testee is emitted, and the infrared energy received
Be converted into visible images, this image we be known as infrared image.The infrared image can be still image, be also possible to example
Such as video dynamic image.
In the embodiment of the present invention, infrared figure is obtained when detecting the infra-red radiation in the thermometric face of battery using thermal infrared imager
As including following two method.
First method:
When battery starts electric discharge, obtained when obtaining the infra-red radiation in the thermometric face of thermal infrared imager detection battery
Infrared image；
In the intermediate time of the discharge process of battery, the infrared spoke in the thermometric face of thermal infrared imager detection battery is obtained
The infrared image obtained when penetrating；
At the end of electric power storage tank discharge, the infrared image that the thermometric face of thermal infrared imager test battery obtains is obtained.
Second method:
The infrared image that the thermometric face of thermal infrared imager test battery obtains is obtained in real time.
In actual use, the use form of battery can be cell batteries (an i.e. individual battery),
It can be the battery group of the multiple batteries composition connected by connection strap.Battery temp provided in an embodiment of the present invention is surveyed
Method for testing can be used for test unit battery, can be used for test battery group.
In the embodiment of the present invention, the thermometric face of battery can be any one plane in all planes of battery.
Illustratively, the shape of usual battery is a cuboid or square comprising 6 faces, above-mentioned thermometric face can be
Any one face in 6 faces.
Optionally, the structural schematic diagram of battery is illustrated in figure 2, in the embodiment of the present invention, in the temperature of test battery
When spending, can obtain respectively obtained when thermal infrared imager detects the infra-red radiation of the top surface of the battery, facade and side it is red
Outer image.
Optionally, in the embodiment of the present invention, when testing the temperature of battery group, thermal infrared imager spy can successively be obtained
The infrared image obtained when surveying the infra-red radiation in the thermometric face of each battery.Further, in the temperature of test battery group
When, thermal infrared imager can also be obtained and detect the infrared image obtained when the infra-red radiation of each connection strap.Illustratively, as schemed
3 show the structural schematic diagram of battery group, include 4 batteries in the battery group, which passes through 3 connections
Item is sequentially connected.When testing the temperature of the battery group, can successively obtain each in thermal infrared imager 4 batteries of detection
The infrared image obtained when the infra-red radiation in the thermometric face of a battery, and also available thermal infrared imager detects this 3
The infrared image obtained when the infra-red radiation of each connection strap in connection strap.
Battery in the embodiment of the present invention can be high magnification valve controlled sealed lead-acid accumulator, or other classes
The battery of type, the embodiment of the present invention is without limitation.
In the case that battery in embodiments of the present invention is high magnification valve controlled sealed lead-acid accumulator, due to high power
For rate valve controlled sealed lead-acid accumulator in electric discharge, voltage can be by initial voltage (for example, usually monomer high magnification is valve controlling sealed
The initial voltage of lead-acid accumulator is 2V) final voltage is reduced to (for example, usually monomer high magnification valve-controlled sealed lead-acid electric power storage
The final voltage in pond is 1.7V).
Optionally, the intermediate time of the discharge process of above-mentioned battery can be battery appointing in entire discharge time
It anticipates a moment.Illustratively, the intermediate time of the discharge process of above-mentioned battery can be among entire discharge time
At the time of.Such as the entire discharge time of above-mentioned high magnification valve controlled sealed lead-acid accumulator is 15 minutes, then above-mentioned electric power storage
When the intermediate time of the discharge process in pond can start 7 points and 30 seconds latter for electric discharge.
In the case that battery in embodiments of the present invention is high magnification valve controlled sealed lead-acid accumulator, the present invention is real
It applies in example, the voltage of battery can be detected using battery voltage detection device in real time, and the battery can be passed through
Voltage check device can be according to the entire of the voltage of the battery that it is detected and high magnification valve controlled sealed lead-acid accumulator
The working time of discharge time control thermal infrared imager.
Illustratively, lead in the case where first method or second method acquisition infrared image can be stated in use
Cross the working time point of battery voltage detection device control thermal infrared imager.For example, when stating first method in use,
(it can detect that the initial voltage of battery occurs when the battery voltage detection device detects that battery starts electric discharge
When change, for example, when reducing by initial voltage 2V), the infrared spoke in the thermometric face of control thermal infrared imager detection battery
Penetrate, and the entire discharge time in the battery intermediate time (such as electric discharge start after 7 points 30 seconds when), control infrared thermal imagery
Instrument detects the infra-red radiation in the thermometric face of battery；And the voltage drop of battery is detected in the battery voltage detection device
When as low as final voltage (for example, the final voltage of usually monomer high magnification valve controlled sealed lead-acid accumulator being 1.7V), control
Thermal infrared imager detects the infra-red radiation in the thermometric face of battery.It, can be in the battery when stating second method in use
When voltage check device detects that battery starts electric discharge, control thermal infrared imager opens the infrared spoke in the thermometric face of detection battery
It penetrates, when detecting the voltage drop of battery in the battery voltage detection device as low as final voltage, controls infrared thermal imagery
Instrument stops the infra-red radiation in the thermometric face of detection battery.
S12, analytical calculation is carried out to infrared image, obtains the test temperature in the thermometric face of battery.
In the embodiment of the present invention, obtained when obtaining the infra-red radiation in thermometric face of thermal infrared imager detection battery red
After outer image, analytical calculation can be carried out to the infrared image, to obtain the test temperature in the thermometric face of battery.
S13, according to thermal infrared imager detect battery thermometric face infra-red radiation when environmental parameter and/or thermometric angle
Degree is modified test temperature.
Wherein, when thermometric angle is the infra-red radiation in the thermometric face that thermal infrared imager detects battery, thermal infrared imager
Angle between the direction and the vertical line in the thermometric face of battery of camera lens.Illustratively, it is illustrated in figure 4 the signal of thermometric angle
Figure, thermometric angle is indicated with θ in Fig. 4, and dotted line a indicates the vertical line in the thermometric face (the as side of battery) of battery, empty
Line b indicates that the direction of the camera lens of thermal infrared imager, the angle theta that dotted line a and dotted line b are formed are thermometric angle.
Above-mentioned environmental parameter may include the infrared of the thermometric face of thermal infrared imager detection battery in the embodiment of the present invention
Environment temperature and/or wind speed when radiation.
Temperature testing method, the apparatus and system of battery provided in an embodiment of the present invention, available thermal infrared imager
The infrared image obtained when detecting the infra-red radiation in the thermometric face of battery, and analytical calculation is carried out to infrared image, it is stored
The test temperature in the thermometric face of battery, and according to thermal infrared imager detect battery thermometric face infra-red radiation when environment
Parameter and/or thermometric angle are modified test temperature.Wherein, thermometric angle is the thermometric that thermal infrared imager detects battery
The angle when infra-red radiation in face, between the direction and the vertical line in the thermometric face of battery of the camera lens of thermal infrared imager.Therefore exist
When using infrared measurement of temperature method, it is contemplated that environmental parameter and/or thermometric angle are to high magnification valve controlled sealed lead-acid accumulator
The influence of temperature, and test temperature is modified according to environmental parameter and/or thermometric angle, so as to reduce the storage measured
Error between the temperature of battery and the actual temperature of battery.
Optionally, in conjunction with Fig. 1, as shown in figure 5, S13 shown in Fig. 1 could alternatively be following S131.
S131, using thermal infrared imager detection battery thermometric face infra-red radiation when environment temperature reduce test temperature
Degree, and amplified to result is reduced, to obtain revised test temperature.
Illustratively, the infra-red radiation in the thermometric face using thermal infrared imager detection battery can be subtracted with test temperature
When environment temperature, to reduce test temperature.
Illustratively, above-mentioned that reduction result is amplified, it, can be by that will reduce to obtain revised test temperature
As a result it is amplified multiplied by an amplification coefficient, to obtain revised test temperature.Wherein, which can beOrWherein, θ is thermometric angle, and ε is the emissivity in the thermometric face of battery.Further, the embodiment of the present invention
In, after can also being amplified multiplied by an amplification coefficient by will reduce result, one deviation of plus/minus is to be corrected
Test temperature afterwards.
Optionally, in conjunction with Fig. 5, as shown in fig. 6, S131 shown in Fig. 5 could alternatively be following S131a.
S131a, according to environment temperature and formula:Test temperature is modified.
Wherein, TsFor revised test temperature, TcFor test temperature, ThFor environment temperature, ε is the thermometric face of battery
Emissivity, m is constant.
Optionally, in conjunction with Fig. 5, as shown in fig. 7, S131 shown in Fig. 6 could alternatively be following S131b.
S131b, according to thermometric angle, environment temperature and formula:To test temperature
It is modified.
Wherein, TsFor revised test temperature, TcFor test temperature, ThFor environment temperature, m is constant, and θ is thermometric angle
Degree.
There are corresponding relationships for the value of m and the wavelength detection range of thermal infrared imager.Illustratively, common three kinds of infrared heat
As the wavelength detection range of instrument is respectively 3-5 microns, 6-9 microns and 8-14 microns.Illustratively, the numerical value and infrared thermal imagery of m
The corresponding relationship of the wavelength detection range of instrument is as described in Table 1.
Table 1
| The numerical value of m | The wavelength detection range of thermal infrared imager |
| 8.68 | 3-5 microns |
| 5.33 | 6-9 microns |
| 4.09 | 8-14 microns |
Optionally, in conjunction with Fig. 1, as shown in figure 8, S13 shown in Fig. 1 could alternatively be following S132.
S132, using thermal infrared imager detection battery thermometric face infra-red radiation when thermometric wind speed and default wind speed
Ratio test temperature is modified.
Optionally, in conjunction with Fig. 8, as shown in figure 9, S132 shown in Fig. 8 could alternatively be following S132a.
S132a, according to thermometric wind speed and formula:Test temperature is modified.
Wherein, TsFor the test temperature in the thermometric face of revised battery, TcFor the test temperature in the thermometric face of battery
Degree, FcTo test wind speed；F1To preset wind speed.
In the embodiment of the present invention, in the discharge process of battery, in order to guarantee the safety using battery, Ke Yishe
Set temperature threshold perhaps temperature rise threshold value when the test temperature of battery be greater than temperature threshold when or when battery test temperature
When the difference of initial temperature when starting electric discharge with battery is greater than temperature rise threshold value, it can send a warning message, to prompt to terminate
The discharge process of the battery guarantees the safety for using battery.
In the embodiment of the present invention, multiple test temperatures are got in the discharge process of battery and (such as get electric power storage
Pond starts the test temperature 1 when electric discharge, at the end of the test temperature 2 and electric power storage tank discharge of the intermediate time of battery discharge process
Test temperature 3) in the case where, the method according to shown in S132a repairs each of multiple test temperature
Positive (such as the method according to shown in S132a is modified above-mentioned test temperature 1, test temperature 2 and test temperature 3 respectively
To revised test temperature 1, test temperature 2 and test temperature 3), the temperature measurement data under different wind speed can so be corrected
To same wind speed F1Under, it is compared.
Optionally, in the embodiment of the present invention, can according to above-mentioned S131 (including 131a or 131b) to test temperature into
Row amendment obtains revised test temperature and (amendment temperature a) is properly termed as in the embodiment of the present invention, then according to above-mentioned S132
Method shown in (including 132a) is modified amendment temperature a, (is properly termed as repairing to obtain the test temperature after second-order correction
Positive temperature b), and using amendment temperature b as the temperature in the thermometric face of battery；It can also be right according to above-mentioned S132 (including 132a)
Test temperature is modified, and is obtained revised test temperature and (is properly termed as amendment temperature c) in the embodiment of the present invention, then root
Amendment temperature c is modified according to method shown in above-mentioned S131 (including 131a or 131b), to obtain the survey after second-order correction
Examination temperature (is properly termed as amendment temperature d), and using amendment temperature d as the temperature in the thermometric face of battery.
Optionally, in the embodiment of the present invention, can between thermometric face of the thermal infrared imager with battery at a distance from be pre-
If in the case where distance, obtained Infrared Thermogram when obtaining the infra-red radiation in the thermometric face of thermal infrared imager detection battery.
Wherein, pre-determined distance meets formula S≤Lf, and S is pre-determined distance, and L is the cornerwise of the thermometric face of battery
Length, f are the spatial resolution for obtaining thermal infrared imager, also commonly referred to as distance coefficient.
Optionally, cornerwise length in the thermometric face of battery can be calculated by the length and wide value in thermometric face.
For example, it is assumed that a length of A in the thermometric face of battery, the width in the thermometric face of battery is B, thenIt is i.e. above-mentioned default
Distance meets formula
Optionally, in the embodiment of the present invention, the emissivity in all thermometric faces of battery is all the same.Wherein, emissivity can
For indicating the ability of emitting infrared radiation.
May be not identical generally, due to the material in each thermometric face of battery, so that each thermometric face of battery
Emissivity be also likely to be present difference, so when using the thermometric face of thermal infrared imager detection battery, for unlike material
Thermometric face need to constantly regulate the emissivity parameter of thermal infrared imager, to guarantee each survey for accurately detecting the battery
The temperature in warm face.So increase the complexity of thermometric process.It, can be exhausted by being pasted in electric power storage pool surface in the embodiment of the present invention
Edge adhesive tape or the method for smearing electric power storage pool surface using black oily pen, so that the material of electric power storage pool surface is unified, to make
The emissivity in all thermometric faces of battery is all the same, so using thermal infrared imager detection battery thermometric face when,
Without adjusting the emissivity parameter of thermal infrared imager, the temperature in each thermometric face of battery can not only be accurately detected, and
Simplify thermometric process.
It optionally, can be in thermal infrared imager before the thermometric face of detection battery, to infrared in the embodiment of the present invention
Thermal imaging system carries out the preheating of preset time, and the detection accuracy of thermal infrared imager so can be improved.It is preset in the embodiment of the present invention
The length of time can be configured by actual demand, and the embodiment of the present invention is without limitation.For example, can be according to infrared to this
The requirement of thermal imaging system detection accuracy is arranged the length of preset time, can usually set above-mentioned preset time to 3-5 minutes,
If desired obtain higher precision can extension preheating time (i.e. above-mentioned preset time) appropriate, such as by the length of preset time
Degree is set as 10 minutes or more.
As shown in Figure 10, the embodiment of the present invention provides a kind of temperature testing device, which can be calculating
Machine, the hardware module and/or software module being also possible in computer.The temperature testing device includes: to obtain module 11, processing
Module 12 and correction module 13.
Wherein, module 11 being obtained, being obtained when for obtaining the infra-red radiation in the thermometric face that thermal infrared imager detects battery
Infrared image；
Processing module 12 obtains the test temperature in the thermometric face of battery for carrying out analytical calculation to infrared image.
Correction module 13, for according to thermal infrared imager detect battery thermometric face infra-red radiation when environmental parameter
And/or thermometric angle is modified test temperature, wherein thermometric angle is the thermometric face that thermal infrared imager detects battery
Angle when infra-red radiation, between the direction and the vertical line in the thermometric face of battery of the camera lens of thermal infrared imager.
Optionally, correction module be specifically used for using thermal infrared imager detection battery thermometric face infra-red radiation when
Environment temperature reduces test temperature, and amplifies to result is reduced, to obtain revised test temperature.
Optionally, correction module is specifically used for, according to environment temperature and formula:To test
Temperature is modified.
Wherein, TsFor revised test temperature, TcFor test temperature, ThFor environment temperature,
ε is the emissivity in the thermometric face of battery, and m is constant.
Optionally, correction module is specifically used for, according to thermometric angle, environment temperature and formula:
Test temperature is modified,
Wherein, TsFor revised test temperature, TcFor test temperature, ThFor environment temperature, m is constant, and θ is thermometric angle
Degree.
Optionally, there are corresponding relationships for the value of m and the wavelength detection range of thermal infrared imager.
Optionally, correction module is specifically used for, when detecting the infra-red radiation in the thermometric face of battery using thermal infrared imager
Thermometric wind speed and the ratio of default wind speed test temperature is modified.
Optionally, correction module is specifically used for according to thermometric wind speed and formula:Test temperature is carried out
Amendment.
Wherein, TsFor the test temperature in the thermometric face of revised battery, TcFor the test temperature in the thermometric face of battery
Degree, FcTo test wind speed；F1To preset wind speed.
Optionally, it obtains module to be specifically used for, obtains at a distance between thermometric face of the thermal infrared imager with battery and be
In the case where pre-determined distance, thermal infrared imager detects the infrared image obtained when the infra-red radiation in the thermometric face of battery；It is default
Distance meets formula S≤Lf, wherein S is pre-determined distance, and L is cornerwise length in the thermometric face of battery, and f is infrared
The spatial resolution of thermal imaging system.
Optionally, as shown in figure 11, above-mentioned temperature testing device can also include alarm module 14, in the electric discharge of battery
In the process, in order to guarantee the safety using battery, temperature threshold or temperature rise threshold value can be set, which can
With for when the test temperature (can be for the revised test temperature of correction module) of battery be greater than temperature threshold when or work as
When the difference of initial temperature when the test temperature and battery of battery start electric discharge is greater than temperature rise threshold value, letter is given a warning
Breath, to prompt to terminate the discharge process of the battery.
As shown in figure 12, the embodiment of the present invention provides a kind of temp measuring system, which includes: thermal infrared imager and this
Temperature testing device shown in inventive embodiments, thermal infrared imager are used to detect the infra-red radiation in the thermometric face of battery.
Optionally, in temp measuring system provided in an embodiment of the present invention, between thermal infrared imager and the thermometric face of battery
Distance be pre-determined distance in the case where, thermal infrared imager detect battery thermometric face infra-red radiation, pre-determined distance meet
Formula S≤Lf, wherein S is pre-determined distance, and L is cornerwise length in the thermometric face of battery, and f is infra-red thermal imaging instrument
Spatial resolution.
Optionally, in temp measuring system shown in Figure 12, thermal infrared imager and temperature testing device can pass through infrared thermal imagery
The communication interface of instrument and the communication interface of temperature testing device be directly connected to (such as can be and connected by data line,
Can be wireless connection), thus thermal infrared imager detection battery thermometric face infra-red radiation when obtain infrared image it
Afterwards, obtained infrared image can be sent to temperature testing device, so that the available infrared image of temperature testing device,
And analytical calculation is carried out to the infrared image, the test temperature in the thermometric face of battery is obtained, and visit according to thermal infrared imager
Environmental parameter and/or thermometric angle when surveying the infra-red radiation in the thermometric face of battery are modified test temperature.
Optionally, communication device (or claiming communication module) can also be passed through between thermal infrared imager and temperature testing device
It is indirectly connected with, such as it is connected in the same WLAN by a communication device (such as router), so that red
Outer thermal imaging system may be implemented to communicate with to temperature testing device, thus in the infrared of the thermometric face of thermal infrared imager detection battery
After obtaining infrared image when radiation, obtained infrared image can be sent to temperature testing device, so that temperature test fills
The available infrared image is set, and analytical calculation is carried out to the infrared image, obtains the test temperature in the thermometric face of battery,
And according to thermal infrared imager detect battery thermometric face infra-red radiation when environmental parameter and/or thermometric angle to test
Temperature is modified.
Since the signal (such as above-mentioned infrared image) of usual thermal infrared imager is analog signal, filled in temperature test
It sets and needs to be translated into digital signal after receiving the analog signal that thermal infrared imager is sent, therefore in the embodiment of the present invention
The temperature testing device can also include analog-to-digital converting module.
Optionally, the analog signal of thermal infrared imager can also be converted to by number by independent analog/digital converter
Temperature testing device is sent to after word signal.Illustratively, as shown in figure 13, temp measuring system further includes analog/digital converter,
Except the analog/digital converter can be independently of thermal infrared imager and temperature testing device, thermal infrared imager and temperature are connected
Test device.
In the case where being high magnification valve controlled sealed lead-acid accumulator due to battery in embodiments of the present invention, this hair
In bright embodiment, the voltage of battery can be detected using battery voltage detection device in real time, and the storage can be passed through
Battery voltage detector can be according to the voltage of the battery that it is detected and high magnification valve controlled sealed lead-acid accumulator
The working time of entire discharge time control thermal infrared imager, therefore the temp measuring system in the embodiment of the present invention can also include storing
Battery voltage detector, the battery voltage detection device can connect battery and thermal infrared imager.
Technical solution provided in an embodiment of the present invention substantially the part that contributes to existing technology in other words, or should
The all or part of technical solution can be realized by software program, hardware, firmware or any combination thereof.When use software
When program is realized, which includes one or more computer instructions.Load and execute on computers the meter
When calculation machine instructs, entirely or partly generate according to the process or function in the embodiment of the present invention.The computer can be general
Computer, special purpose computer, computer network or other programmable devices.The computer instruction can store can in computer
It reads in storage medium, or is transmitted from a computer readable storage medium to another computer readable storage medium, for example,
The computer instruction can from a web-site, computer, server or data center by it is wired (such as coaxial cable,
Optical fiber, Digital Subscriber Line (digital subscriber line, DSL)) mode or wireless (such as infrared, wireless, microwave etc.)
Mode is transmitted to another web-site, computer, server or data center.The computer readable storage medium can be meter
Any usable medium that calculation machine can access either includes integrated server, the data center etc. of one or more usable mediums
Data storage device.The usable medium can be magnetic medium (for example, floppy disk, disk, tape), optical medium (for example, number view
Frequency CD (digital video disc, DVD)) or semiconductor medium (such as solid state hard disk (solid state
Drives, SSD)) etc..
Through the above description of the embodiments, it is apparent to those skilled in the art that, for description
It is convenienct and succinct, only with the division of above-mentioned each functional module for example, in practical application, can according to need and by above-mentioned function
It can distribute and be completed by different functional modules, i.e., the internal structure of device is divided into different functional modules, more than completing
The all or part of function of description.The specific work process of the system, apparatus, and unit of foregoing description can refer to aforementioned side
Corresponding process in method embodiment, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the module or
The division of unit, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units
Or component can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, institute
Display or the mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, device or unit
Indirect coupling or communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all cover
Within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (11)
1. a kind of temperature testing method of battery characterized by comprising
The infrared image obtained when obtaining the infra-red radiation in the thermometric face of thermal infrared imager detection battery；
Analytical calculation is carried out to the infrared image, obtains the test temperature in the thermometric face of the battery；
Environmental parameter and/or thermometric angle when detecting the infra-red radiation in the thermometric face of the battery according to the thermal infrared imager
Degree is modified the test temperature, comprising:
Environment temperature when detecting the infra-red radiation in the thermometric face of the battery using the thermal infrared imager reduces the survey
Temperature is tried, and is amplified to result is reduced, to obtain revised test temperature；
Or, thermometric wind speed and default wind when detecting the infra-red radiation in the thermometric face of the battery using the thermal infrared imager
The ratio of speed is modified the test temperature, according to the thermometric wind speed and formula:To the test
Temperature is modified, TsFor the test temperature in the thermometric face of the revised battery, TcFor the thermometric face of the battery
Test temperature, FcFor the test wind speed；The F1For the default wind speed；
Wherein, it is described when the thermometric angle is that the thermal infrared imager detects the infra-red radiation in thermometric face of the battery
Angle between the direction and the vertical line in the thermometric face of the battery of the camera lens of thermal infrared imager.
2. the method according to claim 1, wherein described detect the battery according to the thermal infrared imager
Thermometric face infra-red radiation when environmental parameter and/or thermometric angle the test temperature is modified and includes:
According to the environment temperature and formula:The test temperature is modified；
Wherein, TsFor revised test temperature, TcFor test temperature, ThFor environment temperature, ε is the thermometric face of the battery
Emissivity, m is constant.
3. the method according to claim 1, wherein described detect the battery according to the thermal infrared imager
Thermometric face infra-red radiation when environmental parameter and/or thermometric angle the test temperature is modified and includes:
According to the thermometric angle, the environment temperature and formula:To the test temperature
Degree is modified,
Wherein, TsFor revised test temperature, TcFor test temperature, ThFor environment temperature, m is constant, and θ is thermometric angle.
4. according to the method in claim 2 or 3, which is characterized in that the wavelength of the value of the m and the thermal infrared imager is visited
Surveying range, there are corresponding relationships.
5. the method according to claim 1, wherein the thermometric face for obtaining thermal infrared imager detection battery
Infra-red radiation when obtained Infrared Thermogram include:
It obtains at a distance between thermometric face of the thermal infrared imager with the battery in the case where be pre-determined distance, it is described
The infrared image obtained when the infra-red radiation in the thermometric face of thermal infrared imager detection battery；The pre-determined distance meets formula S
≤ Lf, wherein S is pre-determined distance, and the L is cornerwise length in the thermometric face of the battery, and the f is described red
The spatial resolution of outer thermal imaging system.
6. according to claim 1-3,5 described in any item methods, which is characterized in that the method also includes:
The emissivity in all thermometric faces of the battery is all the same.
7. according to claim 1-3,5 described in any item methods, which is characterized in that the method also includes:
The thermal infrared imager carries out the preheating of preset time before the thermometric face of detection battery.
8. a kind of temperature testing device characterized by comprising obtain module, processing module and correction module；
The acquisition module, the infrared figure obtained when for obtaining the infra-red radiation in the thermometric face that thermal infrared imager detects battery
Picture；
The processing module obtains the test in the thermometric face of the battery for carrying out analytical calculation to the infrared image
Temperature；
The correction module, the ring when infra-red radiation in the thermometric face for detecting the battery according to the thermal infrared imager
Border parameter and/or thermometric angle are modified the test temperature, comprising: detect the electric power storage using the thermal infrared imager
The environment temperature when infra-red radiation in the thermometric face in pond reduces the test temperature, and amplifies to result is reduced, to obtain
Revised test temperature；
Or, thermometric wind speed and default wind when detecting the infra-red radiation in the thermometric face of the battery using the thermal infrared imager
The ratio of speed is modified the test temperature, according to the thermometric wind speed and formula:To the test
Temperature is modified, TsFor the test temperature in the thermometric face of the revised battery, TcFor the thermometric face of the battery
Test temperature, FcFor the test wind speed；The F1For the default wind speed；
Wherein, it is described when the thermometric angle is that the thermal infrared imager detects the infra-red radiation in thermometric face of the battery
Angle between the direction and the vertical line in the thermometric face of the battery of the camera lens of thermal infrared imager.
9. device according to claim 8, which is characterized in that the acquisition module is specifically used for, and obtains described infrared
In the case that pre-determined distance is in the distance between thermometric face of thermal imaging system and the battery, the thermal infrared imager detects electric power storage
The infrared image obtained when the infra-red radiation in the thermometric face in pond；The pre-determined distance meets formula S≤Lf, wherein S is described
Pre-determined distance, the L are cornerwise length in the thermometric face of the battery, and the f is the space of the infra-red thermal imaging instrument
Resolution ratio.
10. a kind of temp measuring system characterized by comprising thermal infrared imager and the temperature test dress as described in claim 8-9
It sets, the thermal infrared imager is used to detect the infra-red radiation in the thermometric face of battery, to obtain infrared image.
11. temp measuring system according to claim 10, which is characterized in that the survey of the thermal infrared imager and the battery
The distance between warm face is pre-determined distance, and the pre-determined distance meets formula S≤Lf, wherein S is the pre-determined distance, institute
Cornerwise length in the thermometric face that L is the battery is stated, the f is the spatial resolution of the infra-red thermal imaging instrument.
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| CN108072459A (en) * | 2017-12-12 | 2018-05-25 | 中国舰船研究设计中心 | A kind of method for measuring steel billet temperature field and calculating its radiation intensity |
| CN108459029A (en) * | 2018-06-08 | 2018-08-28 | 中国科学技术大学 | A kind of lithium battery production formation detection equipment and detection method based on image |
| CN109357766A (en) * | 2018-09-26 | 2019-02-19 | 国网福建省电力有限公司 | Defect of transformer equipment detection method and defect detecting system based on infrared measurement of temperature |
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| US5450429A (en) * | 1994-06-02 | 1995-09-12 | Spectra-Physics Laserplane, Inc. | Efficient linear frequency doubled solid-state laser |
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