CN208999547U - A kind of each single battery data acquisition circuit of battery pack - Google Patents
A kind of each single battery data acquisition circuit of battery pack Download PDFInfo
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- CN208999547U CN208999547U CN201821575598.7U CN201821575598U CN208999547U CN 208999547 U CN208999547 U CN 208999547U CN 201821575598 U CN201821575598 U CN 201821575598U CN 208999547 U CN208999547 U CN 208999547U
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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
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Abstract
The utility model relates to a kind of each single battery data acquisition circuit of battery pack, including temperature collection circuit, voltage collection circuit, current collection circuit and four operation amplifier chips；Four operation amplifier chips are connected with temperature collection circuit, voltage collection circuit, current collection circuit；Multiple output ends of four operation amplifier chips are also connect with outer treatment circuit；It is acquired by temperature collection circuit, voltage collection circuit and current collection circuit temperature, voltage, current data to single battery each in battery pack, and carries out calculation process by four operation amplifier chips, carry out other processing for outer treatment circuit；Realize that circuit structure is simple, at low cost, small in size, applicability is extensive, and accuracy of data acquisition is high.
Description
Technical field
The utility model relates to battery data acquisition technical fields, more specifically to a kind of each monomer electricity of battery pack
Pond data acquisition circuit.
Background technique
To the temperature of battery, voltage, electric current is detected, and data acquisition is essential means.General people's acquisition
The data of battery, for example, the temperature of battery, voltage, electric current；Usually by various instruments, instrument, but adopt in this way
The data of collection contain measurement error, equipment error and error caused by various interference etc. in transmission process.These do not have
The data of processing certainly will bring inaccuracy for true result.Above-mentioned these problems will lean on data acquisition and procession
It solves.The data acquisition of battery there is many ways in which at present, typically SCM Based battery temp detection, this
Kind mode is relatively rough.
Utility model content
The technical problem to be solved by the present invention is in view of the above drawbacks of the prior art, provide a kind of circuit knot
Structure is simple, at low cost, each single battery data acquisition circuit of battery pack small in size.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
Construct a kind of each single battery data acquisition circuit of battery pack, including temperature collection circuit, voltage collection circuit, electricity
Flow Acquisition Circuit and four operation amplifier chips；Wherein, the four operation amplifiers chip with the temperature collection circuit, the electricity
Press Acquisition Circuit, the current collection circuit connection；Multiple output ends of the four operation amplifiers chip are also and external treatment
Circuit connection；First group of amplifier noninverting input of the four operation amplifiers chip is connected with first resistor, the first resistor
The other end and battery anode connect；Second group of amplifier noninverting input of the four operation amplifiers chip is connected with temperature-sensitive electricity
Resistance, the other end of the thermistor are connect with the anode of the battery；The third group amplifier of the four operation amplifiers chip is defeated
Outlet is connect with the 4th group of amplifier noninverting input；The anode connection of 4 pins and battery of the four operation amplifiers chip, 11 are drawn
The connection of the cathode of foot and battery.
Each single battery data acquisition circuit of battery pack described in the utility model, wherein the voltage collection circuit packet
First group of amplifier of the four operation amplifiers chip is included, the noninverting input of first group of amplifier is also connected with first, second
The other end of capacitor and second resistance, first, second capacitor and second resistance is grounded, the reverse phase of first group of amplifier
Input terminal and output end connect and ground, the output end of first group of amplifier are also connected with 3rd resistor, the 3rd resistor
The other end connect with the outer treatment circuit, the other end of the 3rd resistor is also connected with third capacitor, the third
The other end of capacitor is grounded.
Each single battery data acquisition circuit of battery pack described in the utility model, wherein the temperature collection circuit packet
Second group of amplifier of the four operation amplifiers chip is included, the inverting input terminal of second group of amplifier is connected with the 4th resistance, institute
The other end ground connection of the 4th resistance is stated, the inverting input terminal of the four operation amplifiers chip is also connected with the 5th resistance and the 4th electricity
Hold, the 5th resistance and the 4th capacitor are in parallel, the output end of the other end of the 5th resistance and second group of amplifier
Connection；The output end of second group of amplifier is also connected with the 6th resistance, and the other end of the 6th resistance is connected with the 5th electricity
Hold, the other end ground connection of the 5th capacitor, the other end of the 6th resistance is also connect with the outer treatment circuit.
Each single battery data acquisition circuit of battery pack described in the utility model, wherein the current collection circuit packet
Third, the 4th group of amplifier of the four operation amplifiers chip are included, the inverting input terminal of the third group amplifier is connected with the 7th electricity
Resistance, the other end of the 7th resistance are connected with adjustable resistance, and 2 pins of the adjustable resistance are another with the 7th resistance
End connection, 1 pin of the adjustable resistance are connected with the 8th resistance, the other end of the 8th resistance and the anode of the battery
Connection, 3 pins of the adjustable resistance are connected with the 9th resistance, and the other end of the 9th resistance is grounded, the third group
The reverse input end of amplifier is also connected with the tenth resistance, the other end of the tenth resistance and the output end of the third group amplifier
Connection；
The noninverting input of the third group amplifier is also connected with the 11st, 12 resistance, the eleventh resistor it is another
One end ground connection, the other end of the twelfth resistor are also connected with the 13rd, 14 resistance and the 6th capacitor, the 13rd electricity
The other end of resistance and the 6th capacitor is grounded, and the 14th resistance is separately the output end of the battery.
Each single battery data acquisition circuit of battery pack described in the utility model, wherein the third group amplifier it is defeated
Outlet is connected with the 15th resistance, and the other end of the 15th resistance is connect with the noninverting input of the 4th group of amplifier,
The reverse input end of the 4th group of amplifier is connected with the 16th resistance, the other end ground connection of the 16th resistance, and described the
The reverse input end of four high guaily unit is also connected with the 17th resistance and the 8th capacitor, and the 17th resistance and the 8th capacitor are in parallel,
The other end of 17th resistance is connect with the output end of the four high guaily unit, and the output end of the 4th group of amplifier is connected with
The other end of 18th resistance, the 18th resistance is connect with the external treatment resistance, the 18th resistance it is another
End is also connected with the 9th capacitor, the other end ground connection of the 9th capacitor.
The utility model has the beneficial effects that: passing through temperature collection circuit, voltage collection circuit and current collection circuit
Temperature, voltage, the current data of single battery each in battery pack are acquired, and carry out operation by four operation amplifier chips
Processing carries out other processing for outer treatment circuit；Voltage collection circuit is connected by the anode of first resistor and battery, with full
Requirement of the four operation amplifier chips of foot to voltage and current, temperature collection circuit acquire the temperature of battery by thermistor, so that
Data acquisition is more acurrate；Realize that circuit structure is simple, at low cost, small in size, applicability is extensive.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below in conjunction with attached drawing and reality
Applying example, the utility model is described in further detail, and the accompanying drawings in the following description is only section Example of the invention, for this
For the those of ordinary skill of field, without creative efforts, it is attached to can also be obtained according to these attached drawings other
Figure:
Fig. 1 is the voltage collection circuit of each single battery data acquisition circuit of battery pack of the utility model preferred embodiment
Circuit diagram；
Fig. 2 is the temperature collection circuit of each single battery data acquisition circuit of battery pack of the utility model preferred embodiment
Circuit diagram；
Fig. 3 is the current collection circuit of each single battery data acquisition circuit of battery pack of the utility model preferred embodiment
Circuit diagram.
Specific embodiment
It is practical below in conjunction with this in order to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Technical solution in new embodiment carries out clear, complete description, it is clear that described embodiment is the portion of the utility model
Point embodiment, rather than whole embodiments.Based on the embodiment of the present invention, those of ordinary skill in the art are not paying creation
Property labour under the premise of every other embodiment obtained, belong to the protection scope of the utility model.
The utility model preferred embodiment as shown in Figure 1, simultaneously referring to Fig.2, Fig. 3；Including temperature collection circuit 2, electricity
Press Acquisition Circuit 1, current collection circuit 3 and four operation amplifier chip U1；It is characterized in that, four operation amplifier chip U1 with temperature
Acquisition Circuit 2, voltage collection circuit 1 are spent, current collection circuit 3 connects；Multiple output ends of four operation amplifier chip U1 are also equal
It is connect with outer treatment circuit；First group of amplifier U1:A noninverting input of four operation amplifier chip U1 is connected with first resistor
The other end of R1, first resistor R1 and the anode of battery connect；Second group of amplifier U1:B of four operation amplifier chip U1 is defeated in the same direction
Enter end and be connected with thermistor RT1, the other end of thermistor RT1 and the anode of battery connect；Four operation amplifier chip U1's
Third group amplifier U1:C output end is connect with the 4th group of amplifier U1:D noninverting input；4 pins of four operation amplifier chip U1 with
The anode connection of battery, the cathode of 11 pins and battery connect；It is adopted by temperature collection circuit 2, voltage collection circuit 1 and electric current
Collector 3 is acquired temperature, voltage, the current data of single battery each in battery pack, and passes through four operation amplifier chips
U1 carries out calculation process, carries out other processing for outer treatment circuit；Voltage collection circuit 1 passes through first resistor R1 and battery
Anode connection, to meet requirement of the four operation amplifier chip U1 to voltage and current, temperature collection circuit 2 passes through thermistor RT1
The temperature of battery is acquired, so that data acquisition is more acurrate；Realize that circuit structure is simple, at low cost, small in size, applicability is extensive.
As shown in Figure 1, voltage collection circuit 1 includes first group of amplifier U1:A of four operation amplifier chip U1, first group of fortune
Put U1:A noninverting input be also connected with first, second capacitor C1, C2 and second resistance R2, first, second capacitor C1, C2 and
The other end of second resistance R2 is grounded, the inverting input terminal and output end connect and ground of first group of amplifier U1:A, and first group
The output end of amplifier U1:A is also connected with 3rd resistor R3, and the other end of 3rd resistor R3 is connect with outer treatment circuit, third
The other end of resistance R3 is also connected with third capacitor C3, the other end ground connection of third capacitor C3；Structure is simple, at low cost, volume
Small, applicability is extensive.
As shown in Fig. 2, temperature collection circuit 2 includes second group of amplifier U1:B of four operation amplifier chip U1, second group of fortune
The inverting input terminal for putting U1:B is connected with the 4th resistance R5, and the other end of the 4th resistance R5 is grounded, four operation amplifier chip U1's
Inverting input terminal is also connected with the 5th resistance R6 and the 4th capacitor C4, the 5th resistance R6 and the 4th capacitor C4 parallel connection, the 5th resistance
The other end of R6 is connect with the output end of second group of amplifier U1:B；The output end of second group of amplifier U1:B is also connected with the 6th electricity
R7 is hindered, the other end of the 6th resistance R7 is connected with the 5th capacitor C5, and the other end ground connection of the 5th capacitor C5, the 6th resistance R7's is another
One end is also connect with outer treatment circuit；Realize that circuit structure is simple, at low cost, small in size, applicability is extensive.
As shown in figure 3, current collection circuit 1 includes third, the 4th group of amplifier U1:C, U1 of four operation amplifier chip U1:
The inverting input terminal of D, third group amplifier U1:C are connected with the 7th resistance R1, and the other end of the 7th resistance R11 is connected with adjustable electric
P1 is hindered, 2 pins of adjustable resistance P1 are connect with the other end of the 7th resistance R1, and 1 pin of adjustable resistance P1 is connected with the 8th electricity
R13 is hindered, the other end of the 8th resistance R13 and the anode of battery connect, and 3 pins of adjustable resistance P1 are connected with the 9th resistance R14,
The other end of 9th resistance R14 is grounded, and the reverse input end of third group amplifier U1:C is also connected with the tenth resistance R12, and the tenth
The other end of resistance R12 is connect with the output end of third group amplifier U1:C；
The noninverting input of third group amplifier U1:C is also connected with the 11st, 12 resistance R10, R9, eleventh resistor R10
Other end ground connection, the other end of twelfth resistor R9 is also connected with the 13rd, 14 resistance R8, R4 and the 6th capacitor C6, the
The other end of 13 resistance R8 and the 6th capacitor C6 is grounded, the another output end for battery of the 14th resistance R4；Realize circuit
Structure is simple, at low cost, small in size, and applicability is extensive.
As shown in figure 3, the output end of third group amplifier U1:C is connected with the 15th resistance R15, the 15th resistance R15's is another
One end is connect with the noninverting input of the 4th group of amplifier U1:D, and the reverse input end of the 4th group of amplifier U1:D is connected with the 16th electricity
R16, the other end ground connection of the 16th resistance R16 are hindered, the reverse input end of four high guaily unit U1:D is also connected with the 17th resistance R17
With the 8th capacitor C8, the 17th resistance R17 and the 8th capacitor parallel connection C8, the other end and four high guaily unit U1 of the 17th resistance R17
Output end connection, the output end of the 4th group of amplifier U1:D is connected with the 18th resistance R18, the other end of the 18th resistance R18
It is connect with external treatment resistance, the other end of the 18th resistance R18 is also connected with the 9th capacitor C9, and the 9th capacitor C19's is another
End ground connection；Realize that circuit structure is simple, at low cost, small in size, applicability is extensive.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations all should belong to the protection scope of the appended claims for the utility model.
Claims (5)
1. a kind of each single battery data acquisition circuit of battery pack, including temperature collection circuit, voltage collection circuit, current acquisition
Circuit and four operation amplifier chips；It is characterized in that, the four operation amplifiers chip with the temperature collection circuit, the electricity
Press Acquisition Circuit, the current collection circuit connection；Multiple output ends of the four operation amplifiers chip are also and external treatment
Circuit connection；First group of amplifier noninverting input of the four operation amplifiers chip is connected with first resistor, the first resistor
The other end and battery anode connect；Second group of amplifier noninverting input of the four operation amplifiers chip is connected with temperature-sensitive electricity
Resistance, the other end of the thermistor are connect with the anode of the battery；The third group amplifier of the four operation amplifiers chip is defeated
Outlet is connect with the 4th group of amplifier noninverting input；The anode connection of 4 pins and battery of the four operation amplifiers chip, 11 are drawn
The connection of the cathode of foot and battery.
2. each single battery data acquisition circuit of battery pack according to claim 1, which is characterized in that the voltage acquisition
Circuit includes first group of amplifier of the four operation amplifiers chip, and the noninverting input of first group of amplifier is also connected with
One, the other end of the second capacitor and second resistance, first, second capacitor and second resistance is grounded, first group of fortune
The inverting input terminal and output end connect and ground put, the output end of first group of amplifier is also connected with 3rd resistor, described
The other end of 3rd resistor is connect with the outer treatment circuit, and the other end of the 3rd resistor is also connected with third capacitor,
The other end of the third capacitor is grounded.
3. each single battery data acquisition circuit of battery pack according to claim 1, which is characterized in that the temperature acquisition
Circuit includes second group of amplifier of the four operation amplifiers chip, and the inverting input terminal of second group of amplifier is connected with the 4th electricity
Resistance, the 4th resistance the other end ground connection, the inverting input terminal of the four operation amplifiers chip be also connected with the 5th resistance and
4th capacitor, the 5th resistance and the 4th capacitor are in parallel, and the other end of the 5th resistance is defeated with second group of amplifier
Outlet connection；The output end of second group of amplifier is also connected with the 6th resistance, and the other end of the 6th resistance is connected with
Five capacitors, the other end ground connection of the 5th capacitor, the other end of the 6th resistance are also connect with the outer treatment circuit.
4. each single battery data acquisition circuit of battery pack according to claim 1, which is characterized in that the current acquisition
Circuit includes the third of the four operation amplifiers chip, the 4th group of amplifier, and the inverting input terminal of the third group amplifier is connected with
7th resistance, the other end of the 7th resistance are connected with adjustable resistance, 2 pins of the adjustable resistance and the 7th resistance
Other end connection, 1 pin of the adjustable resistance is connected with the 8th resistance, the other end and the battery of the 8th resistance
Anode connection, 3 pins of the adjustable resistance are connected with the 9th resistance, and the other end of the 9th resistance is grounded, described
The reverse input end of third group amplifier is also connected with the tenth resistance, the other end and the third group amplifier of the tenth resistance
Output end connection；
The noninverting input of the third group amplifier is also connected with the 11st, 12 resistance, the other end of the eleventh resistor
Ground connection, the other end of the twelfth resistor are also connected with the 13rd, 14 resistance and the 6th capacitor, the thirteenth resistor and
The other end of 6th capacitor is grounded, and the 14th resistance is separately the output end of the battery.
5. each single battery data acquisition circuit of battery pack according to claim 4, which is characterized in that the third group fortune
The output end put is connected with the 15th resistance, the noninverting input of the other end of the 15th resistance and the 4th group of amplifier
Connection, the reverse input end of the 4th group of amplifier are connected with the 16th resistance, the other end ground connection of the 16th resistance, institute
The reverse input end for stating four high guaily unit is also connected with the 17th resistance and the 8th capacitor, and the 17th resistance and the 8th capacitor are simultaneously
Connection, the other end of the 17th resistance are connect with the output end of the four high guaily unit, and the output end of the 4th group of amplifier connects
It is connected to the 18th resistance, the other end of the 18th resistance is connect with the outer treatment circuit, the 18th resistance
The other end is also connected with the 9th capacitor, the other end ground connection of the 9th capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821575598.7U CN208999547U (en) | 2018-09-27 | 2018-09-27 | A kind of each single battery data acquisition circuit of battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821575598.7U CN208999547U (en) | 2018-09-27 | 2018-09-27 | A kind of each single battery data acquisition circuit of battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208999547U true CN208999547U (en) | 2019-06-18 |
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ID=66801145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821575598.7U Active CN208999547U (en) | 2018-09-27 | 2018-09-27 | A kind of each single battery data acquisition circuit of battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208999547U (en) |
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2018
- 2018-09-27 CN CN201821575598.7U patent/CN208999547U/en active Active
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Address after: Room 2304-3, block B, wisdom home, No.76, Baohe Avenue, Baolong community, Baolong street, Longgang District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN YOTRIKO NEW ENERGYTECHNOLOGY Co.,Ltd. Address before: 518000, Guangdong, Longgang District, Longgang Shenzhen Street East Dragon community love South Road, 78, 10 positive Industrial Park, 4 floor Patentee before: SHENZHEN YOTRIKO NEW ENERGYTECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221128 Address after: 518000 1709, Office Building 3B, Vanke Times Square, No. 85, Longcheng Avenue, Shangjing Community, Longcheng Street, Longgang District, Shenzhen, Guangdong Patentee after: Corvette energy (Shenzhen) Co.,Ltd. Address before: Room 2304-3, block B, wisdom home, 76 Baohe Avenue, Baolong community, Baolong street, Longgang District, Shenzhen, Guangdong 518000 Patentee before: SHENZHEN YOTRIKO NEW ENERGYTECHNOLOGY Co.,Ltd. |