CN206740247U - A kind of infrared temperature acquisition system - Google Patents
A kind of infrared temperature acquisition system Download PDFInfo
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- CN206740247U CN206740247U CN201720476873.9U CN201720476873U CN206740247U CN 206740247 U CN206740247 U CN 206740247U CN 201720476873 U CN201720476873 U CN 201720476873U CN 206740247 U CN206740247 U CN 206740247U
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- temperature
- processing circuit
- signal
- operational amplifier
- signal processing
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Abstract
The utility model discloses a kind of infrared temperature acquisition system, including battery modules, temperature collect module and BMS systems, and temperature collect module includes temperature sensor, signal processing circuit and analog-to-digital conversion module；Temperature sensor is infrared temperature sensor, for gathering the operating temperature of battery modules；Temperature sensor is connected with signal processing circuit, the temperature signal collected is passed into signal processing circuit, the temperature signal of acquisition is converted into voltage signal by signal processing circuit；Signal processing circuit is connected with analog-to-digital conversion module and voltage signal is passed into analog-to-digital conversion module；Analog-to-digital conversion module is also connected with BMS systems；BMS systems are also connected with battery modules.The utility model is using the operating temperature of infrared temperature sensor collection battery modules, and temperature sensor is non-contact with battery modules, and the work to battery modules is noiseless；In addition, the mode of infrared temperature sensor collecting temperature belongs to face formula temperature acquisition, representative strong, whole structure is good.
Description
【Technical field】
It the utility model is related to battery modules technical field, more particularly to a kind of infrared temperature acquisition system.
【Background technology】
In battery modules in charge and discharge process, the area requirement of optimum working temperature be present.Due to external environment or
The influence generated heat when battery modules work in itself, it will face the situation of low temperature or high temperature.It is most suitable in order to be provided to battery modules
The working environment of temperature, it will usually the operating temperature of battery modules is detected and gathered and collection result is passed into battery
Management system (Battery Management System, BMS).When the temperature of detection exceeds optimum working temperature scope,
BMS systems feed back information to user and start corresponding cooling or temperature elevation system, ensure the steady of battery modules operating temperature
It is qualitative.Element of the currently used temperature acquisition system generally use thermistor as temperature acquisition, by way of welding
On the pole for cell thermistor being fixed in battery modules, have the disadvantage that：1st, need and tested battery mould
Group contact, the Temperature Distribution that heat transfer influences tested battery modules between each other be present, in addition, can also give the normal of battery modules
Work causes certain interference；2nd, what is collected is the temperature of some point, belongs to point type collection, globality poor.
In view of above drawback, is necessary to provide a kind of infrared temperature acquisition system in fact to overcome disadvantages described above.
【Utility model content】
The purpose of this utility model is to provide a kind of contactless, face formula temperature acquisition infrared temperature acquisition system.
To achieve these goals, the utility model provides a kind of infrared temperature acquisition system, including battery modules, temperature
Acquisition module and BMS systems, the temperature collect module include temperature sensor, signal processing circuit and analog-to-digital conversion module；
The temperature sensor is infrared temperature sensor, for gathering the operating temperature of the battery modules；The temperature sensor
With being connected for the signal processing circuit, the temperature signal collected is passed into the signal processing circuit, at the signal
The temperature signal of acquisition is converted into voltage signal by reason circuit；The signal processing circuit and the analog-to-digital conversion module phase
Even and the voltage signal is passed into the analog-to-digital conversion module；The analog-to-digital conversion module is also connected with the BMS systems；
The BMS systems are also connected with the battery modules.
In a preferred embodiment, the temperature sensor does not contact directly with the battery modules.
In a preferred embodiment, the voltage signal of signal processing circuit output is analog signal, the mould
Number modular converter is used to the analog signal that the signal processing circuit exports is converted into data signal and is output to the BMS systems
In system.
In a preferred embodiment, the signal processing circuit includes the first operational amplifier and the second operation amplifier
Device, the inverting input of first operational amplifier is connected with the temperature sensor, output end is put with second computing
The in-phase input end of big device is connected, and the output end of second operational amplifier is connected with the analog-to-digital conversion module.
In a preferred embodiment, the signal processing circuit also includes first resistor, second resistance and electric capacity, institute
The inverting input for stating the first operational amplifier is connected by the first resistor with the output end of the temperature sensor, same to phase
Input is grounded by the second resistance；One end of the capacitor and the inverting input phase of first operational amplifier
Even, the other end is connected with the output end of first operational amplifier.
In a preferred embodiment, the in-phase input end of second operational amplifier and first operation amplifier
The output end of device is connected, the output end phase of the reverse input end of second operational amplifier and second operational amplifier
Even.
In a preferred embodiment, the analog-to-digital conversion module includes modulus conversion chip and single-chip microcomputer, the list
Piece machine is used to control the modulus conversion chip.
Compared with prior art, a kind of beneficial effect of infrared temperature acquisition system provided by the utility model is：Adopt
It is non-contact between temperature sensor and battery modules with the operating temperature of infrared temperature sensor collection battery modules, to battery
The work of module is noiseless；In addition, the mode of infrared temperature sensor collecting temperature belongs to face formula temperature acquisition, it is representative strong,
Whole structure is good.
【Brief description of the drawings】
Fig. 1 is the structure principle chart of the utility model infrared temperature acquisition system.
【Embodiment】
In order that the purpose of this utility model, technical scheme and advantageous effects become apparent from understanding, below in conjunction with
Accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, and shows
So, described embodiment is only the utility model part of the embodiment, rather than whole embodiments.It is new based on this practicality
Embodiment in type, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belong to the scope of the utility model protection.
When an element was considered as with another element " being connected ", it can be directly to another element or
It may be simultaneously present centering elements.Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to this reality
The implication being generally understood that with new those skilled in the art is identical.Made herein in specification of the present utility model
Term is intended merely to describe the purpose of specific embodiment, it is not intended that in limitation the utility model.
Referring to Fig. 1, Fig. 1 is the structure principle chart of the utility model infrared temperature acquisition system 100.The infrared temperature
Acquisition system 100 includes battery modules 10, temperature collect module 20 and BMS systems 30.The temperature collect module 20 is used to adopt
Collect the operating temperature situation of the battery modules 10 and collection result is output in the BMS systems 30.
The temperature collect module 20 includes temperature sensor 21, signal processing circuit 22 and analog-to-digital conversion module 23.Tool
Body, the temperature sensor 21 is connected with the signal processing circuit 22.The temperature sensor 21 is used to gather the electricity
The temperature signal collected is simultaneously passed to the signal processing circuit 22 by the operating tempera-ture signal of pond module 10.Present embodiment
In, the temperature sensor 21 is infrared temperature sensor, has the characteristics of non-contact and face formula temperature acquisition.The temperature passes
Sensor 21 does not contact directly with the battery modules 10, avoids the work to the battery modules 10 from producing interference.
The signal processing circuit 22 is used to the temperature signal of acquisition being converted into voltage signal.Specifically, the signal
Process circuit 22 includes the first operational amplifier 221 and the second operational amplifier 222.First operational amplifier 221 it is anti-
Phase input IN1- is connected with the temperature sensor 21, output end OUT1 is same mutually defeated with second operational amplifier 222
Enter to hold IN2+ to be connected, the output end OUT2 of second operational amplifier 222 is connected with the analog-to-digital conversion module 23.Specifically
, the signal processing circuit 22 also includes first resistor R1, second resistance R2 and electric capacity C1, first operational amplifier
221 inverting input IN1- is connected by the first resistor R1 with the temperature sensor 21, in-phase input end IN1+ leads to
Cross the second resistance R2 ground connection.One end of the capacitor C1 and the inverting input of first operational amplifier 221
IN1- is connected, the other end is connected with the output end OUT1 of first operational amplifier 221.I.e. described first operational amplifier
221 and the first resistor R1, second resistance R2 and electric capacity C1 form integrating circuit, the temperature signal of acquisition is converted into electricity
Pressure signal simultaneously improves the signal to noise ratio of signal.The in-phase input end IN2+ of second operational amplifier 222 and first computing
The output end OUT1 of amplifier 221 is connected, the reverse input end IN2- of second operational amplifier 222 and the described second fortune
The output end OUT2 for calculating amplifier 222 is connected, i.e., described second operational amplifier 222 forms voltage follower, has input resistance
The characteristics of anti-high, output impedance is low, the integrating circuit and the analog-to-digital conversion module formed to first operational amplifier 221
23 play buffer action, improve the stability of output signal.
The voltage signal of the output of the signal processing circuit 22 is analog signal, and the analog-to-digital conversion module 23 is used for
The analog signal that the signal processing circuit 22 exports is converted into data signal.The analog-to-digital conversion module 23 turns including modulus
Chip 231 and single-chip microcomputer 232 are changed, the single-chip microcomputer 232 is used to control the modulus conversion chip 231.The analog-to-digital conversion mould
Block 23 is also connected with the BMS systems 30 and the data signal is output in the BMS systems 30, completes to the battery
The gatherer process of the operating temperature of module 10.The BMS systems 30 are also connected with the battery modules 10, for monitoring the electricity
The working condition of pond module 10.The BMS systems 30 or the platform of human-computer interaction, so that user understands the electricity at any time
The working condition of pond module 10 simultaneously makes corresponding measure.The BMS systems 30 are prior art, and its major function is battery thing
Manage parameter real time monitoring；Battery status is estimated；Inline diagnosis and early warning；Charge and discharge control with preliminary filling；Balanced management and heat management
Deng.
The operation principle of infrared temperature acquisition system 100 provided by the utility model is as follows：
First, the temperature sensor 21 gathers the operating tempera-ture signal of the battery modules 10 and will collected in real time
Temperature signal passes to the signal processing circuit 22；Then, the signal processing circuit 22 believes the temperature received
What the integrating circuit and second operational amplifier 222 formed number successively through first operational amplifier 221 was formed follows
Device is converted into stable voltage signal, and is output in the analog-to-digital conversion module 23, and now, the signal processing circuit 22 is defeated
The voltage signal gone out is analog signal；Finally, the analog-to-digital conversion module 23 is converted into digital letter to the analog signal received
Number and be output in the BMS systems 30, complete the gatherer process of the operating temperature to the battery modules 10.
Infrared temperature acquisition system 100 provided by the utility model gathers the battery modules using infrared temperature sensor
10 operating temperature, it is non-contact between the temperature sensor 21 and the battery modules 10, to the work of the battery modules 10
Make noiseless；In addition, the mode of infrared temperature sensor collecting temperature belongs to face formula temperature acquisition, representative strong, whole structure
It is good.
The utility model is not restricted to described in specification and embodiment, therefore for the personnel of familiar field
For additional advantage and modification is easily achieved, therefore in the universal limited without departing substantially from claim and equivalency range
Spirit and scope in the case of, the utility model is not limited to specific details, representational equipment and shown here as with retouching
The examples shown stated.
Claims (7)
1. a kind of infrared temperature acquisition system, including battery modules, temperature collect module and BMS systems, it is characterised in that：It is described
Temperature collect module includes temperature sensor, signal processing circuit and analog-to-digital conversion module；The temperature sensor is infrared temperature
Sensor is spent, for gathering the operating temperature of the battery modules；The temperature sensor and the phase of the signal processing circuit
Even, the temperature signal collected is passed into the signal processing circuit, the signal processing circuit is by the temperature of acquisition
Signal is converted into voltage signal；The signal processing circuit is connected with the analog-to-digital conversion module and transmits the voltage signal
To the analog-to-digital conversion module；The analog-to-digital conversion module is also connected with the BMS systems；The BMS systems also with the electricity
Pond module is connected.
2. infrared temperature acquisition system as claimed in claim 1, it is characterised in that：The temperature sensor not with the battery
Module directly contacts.
3. infrared temperature acquisition system as claimed in claim 1, it is characterised in that：The voltage of the signal processing circuit output
Signal is analog signal, and the analog-to-digital conversion module is used to the analog signal that the signal processing circuit exports being converted to numeral
Signal is simultaneously output in the BMS systems.
4. infrared temperature acquisition system as claimed in claim 1, it is characterised in that：The signal processing circuit includes the first fortune
Calculate amplifier and the second operational amplifier, the inverting input of first operational amplifier is connected with the temperature sensor,
Output end is connected with the in-phase input end of second operational amplifier, output end and the mould of second operational amplifier
Number modular converter is connected.
5. infrared temperature acquisition system as claimed in claim 4, it is characterised in that：The signal processing circuit also includes first
Resistance, second resistance and electric capacity, the inverting input of first operational amplifier pass through the first resistor and the temperature
The output end of sensor is connected, in-phase input end is grounded by the second resistance；One end of the capacitor and described first
The inverting input of operational amplifier is connected, the other end is connected with the output end of first operational amplifier.
6. infrared temperature acquisition system as claimed in claim 4, it is characterised in that：Second operational amplifier it is same mutually defeated
Enter end with the output end of first operational amplifier to be connected, the reverse input end of second operational amplifier and described second
The output end of operational amplifier is connected.
7. infrared temperature acquisition system as claimed in claim 1, it is characterised in that：The analog-to-digital conversion module turns including modulus
Chip and single-chip microcomputer are changed, the single-chip microcomputer is used to control the modulus conversion chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720476873.9U CN206740247U (en) | 2017-05-02 | 2017-05-02 | A kind of infrared temperature acquisition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720476873.9U CN206740247U (en) | 2017-05-02 | 2017-05-02 | A kind of infrared temperature acquisition system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206740247U true CN206740247U (en) | 2017-12-12 |
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ID=60563573
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720476873.9U Expired - Fee Related CN206740247U (en) | 2017-05-02 | 2017-05-02 | A kind of infrared temperature acquisition system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063469A (en) * | 2017-05-02 | 2017-08-18 | 江苏银基烯碳能源科技有限公司 | A kind of infrared temperature acquisition system |
-
2017
- 2017-05-02 CN CN201720476873.9U patent/CN206740247U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063469A (en) * | 2017-05-02 | 2017-08-18 | 江苏银基烯碳能源科技有限公司 | A kind of infrared temperature acquisition system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 Termination date: 20200502 |