CN109617149A - A kind of high efficiency smart backpack battery pack management circuit - Google Patents
A kind of high efficiency smart backpack battery pack management circuit Download PDFInfo
- Publication number
- CN109617149A CN109617149A CN201811298781.1A CN201811298781A CN109617149A CN 109617149 A CN109617149 A CN 109617149A CN 201811298781 A CN201811298781 A CN 201811298781A CN 109617149 A CN109617149 A CN 109617149A
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- Prior art keywords
- circuit
- battery pack
- module
- control circuit
- high efficiency
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- 238000004891 communication Methods 0.000 claims abstract description 38
- 238000006243 chemical reaction Methods 0.000 claims abstract description 32
- 238000007781 pre-processing Methods 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 230000004913 activation Effects 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000011505 plaster Substances 0.000 claims description 3
- 238000004088 simulation Methods 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 230000003993 interaction Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 9
- 230000005611 electricity Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- H02J7/0022—
-
- H02J7/0026—
Landscapes
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of high efficiency smart backpack battery packs to manage circuit, belong to battery pack security application technical field, including charger, controller, battery pack, safe secondary protection circuit, charging control circuit, charge/discharge control circuit, pre-arcing control circuit, power control circuit, analog front circuit, expansion connection module, control module, voltage conversion circuit, temperature acquisition array, gyroscope and communication module, the present invention uses multiple protection measure, effectively increase the safety and reliability of battery pack, with high security, good operability, the advantage of human-computer interaction close friend.
Description
Technical field
The present invention relates to battery pack applied technical fields, more particularly to a kind of high efficiency smart backpack battery pack management
Circuit.
Background technique
Lithium battery have operating voltage is high, small in size, light weight, energy height, memory-less effect, pollution-free, self discharge is small,
The advantages of having extended cycle life.Therefore, in daily life, lithium battery is seen everywhere, and is widely used in electric car, electronic
Vehicle, mobile phone, electric tool etc..
Existing electric tool is mostly hand-held, lighter in weight.But this also cause the capacity of hand-held battery packet compared with
It is low, voltage is lower, cannot support the biggish equipment of power, meanwhile, the time of work is also shorter.In order to allow electric tool to use
The longer time, possess bigger power, thus design more heavy weight battery pack, but be no longer appropriate for holding, just has
The design of backpack battery pack.And general backpack battery pack management circuit structure is simple, safety is low, cannot effectively manage
Circuit simultaneously protects operator safe.
Summary of the invention
The purpose of the present invention is to provide a kind of high efficiency smart backpack battery packs to manage circuit, to overcome above-mentioned ask
Topic.
To achieve the above object, the technical scheme adopted by the invention is as follows: a kind of high efficiency smart backpack battery pack management electricity
Road, including charger, controller, battery pack, safe secondary protection circuit, charging control circuit, charge/discharge control circuit, pre-arcing control
Circuit, power control circuit, analog front circuit, expansion connection module, control module, voltage conversion circuit, temperature acquisition battle array
Column, gyro module and communication module, the charger are connect with charging control circuit and communication module；The controller
It is connect with charge/discharge control circuit, pre-arcing control circuit and communication module；The charging control circuit is also electric with second class protection
Road, voltage conversion circuit connection；The charge/discharge control circuit is also connect with voltage conversion circuit；The pre-arcing control circuit is also
It is connect with temperature acquisition array, gyro module and communication module；The safe secondary protection circuit is also connect with battery pack；It is described
Battery pack is also connect with power control circuit and analog front circuit；The analog front circuit also with control module and electricity
Press conversion circuit connection；The control module includes MCU module, control module also with expansion connection module, voltage conversion circuit,
Temperature acquisition array, gyro module and communication module connection.
Further, the battery pack includes 112 pieces of battery cores, is connected by the way of going here and there 8 simultaneously using 14, battery pack is first with insulation
Electric adhesive plaster wound clockwise, then with plastic colloidal cloth wrapped anti-clockwise, finally inside aluminum alloy casing.
Further, the temperature acquisition array is no less than 8 road temperature sensing circuits, includes per temperature sensing circuit all the way
Temperature sensor, signal pre-processing circuit, analog to digital conversion circuit, temperature sensor, signal pre-processing circuit, analog to digital conversion circuit
It is sequentially connected, analog to digital conversion circuit is connect with control module, wherein charging control circuit is set all the way, is arranged in puts all the way
Electric control circuit is arranged in puts control circuit in advance all the way, charger is arranged in all the way, controller is arranged in all the way, remaining is uniformly
It is arranged in each position of battery pack.
Further, the power control circuit is provided with fuse, can fuse automatically in short circuit or overcurrent.
Further, the control module controls the activation of battery pack by charger and controller by communication module
With closing, judge that battery pack is to be in charge mode or discharge mode, and control charger and control by communication module
The working condition of device.
Further, the communication module is that serial communication or I2C are communicated, but are not limited to the above communication modes.
Further, the analog front circuit can acquire the total current, total voltage and each battery of the battery pack
Voltage, circuit.
The beneficial effects of the present invention are:
(1) present invention has the advantages that simple structure and reasonable design, installation maintenance are quick；
(2) in technical solution of the present invention, it is provided with control module, control module has control intelligent, easy to use
Advantage；
(3) in technical solution of the present invention, be arranged multiple protective circuit, with high security the advantages of.
Detailed description of the invention
Fig. 1 is system structure diagram of the invention；
Fig. 2 is battery pack package structure schematic diagram of the present invention；
Fig. 3 is the structural schematic diagram of temperature collection circuit of the present invention；
Fig. 4 is the structural schematic diagram of MCU module of the present invention；
In figure, 1- charger；2- controller；3- battery pack；4- safe secondary protection circuit；5- charging control circuit；6- electric discharge
Control circuit；7- pre-arcing control circuit；8- power control circuit；9- analog front circuit；10- expansion connection module；11- control
Molding block；12- voltage conversion circuit；13- temperature acquisition array；14- gyro module；15- and communication module；16- battery core；
17- insulated electro adhesive plaster；18- plastic colloidal cloth；19- aluminum alloy casing；20- temperature sensor；21- signal pre-processing circuit；22- temperature
Spend sensor；23-MCU module.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited to the specific embodiments disclosed below.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1, Fig. 1 are system structure diagrams of the invention；Fig. 2 is battery pack package structure schematic diagram of the present invention；
Fig. 3 is the structural schematic diagram of temperature collection circuit of the present invention；Fig. 4 is MCU module schematic diagram of the present invention.
Fig. 1 shows the structural block diagram of embodiment according to the present invention, it can be seen from the figure that a kind of high efficiency smart is born
Formula battery pack manages circuit, including charger 1, controller 2, battery pack 3, safe secondary protection circuit 4, charging control circuit 5, electric discharge
Control circuit 6, pre-arcing control circuit 7, power control circuit 8, analog front circuit 9, expansion connection module 10, control module
11, voltage conversion circuit 12, temperature acquisition array 13, gyro module 14 and communication module 15, the charger 1 and charging
Control circuit 5 and communication module 15 connect；The controller 2 and charge/discharge control circuit 6, pre-arcing control circuit 7 and logical
Module 15 is interrogated to connect；The charging control circuit 5 is also connect with safe secondary protection circuit 4, voltage conversion circuit 12；The electric discharge control
Circuit 6 processed is also connect with voltage conversion circuit 12；The pre-arcing control circuit 7 also with control module 11, temperature acquisition array
13, gyro module 14 and communication module 15 connect；The safe secondary protection circuit 4 is also connect with battery pack 3；The battery pack
3 also connect with power control circuit 8 and analog front circuit 9；The analog front circuit 9 also with control module 11 and electricity
Conversion circuit 12 is pressed to connect；The control module 11 include MCU module 23, control module 11 also with expansion connection module 10, electricity
Conversion circuit 12, temperature acquisition array 13, gyro module 14 and communication module 15 is pressed to connect.
The battery pack 3 includes 112 pieces of battery cores 16, is connected by the way of going here and there 8 simultaneously using 14, battery pack 3 first uses insulated electro glue
17 wound clockwise of cloth, then with 18 wrapped anti-clockwise of plastic colloidal cloth, finally inside aluminum alloy casing 19.
The temperature acquisition array 13 is no less than 8 road temperature sensing circuits, includes that temperature is passed per temperature sensing circuit all the way
Sensor 20, signal pre-processing circuit 21, analog to digital conversion circuit 22, temperature sensor 20, signal pre-processing circuit 21, analog-to-digital conversion
Circuit 22 is sequentially connected, and analog to digital conversion circuit 22 is connect with control module 11, wherein charging control circuit 5 is set all the way, one
Road is arranged in charge/discharge control circuit 6, is arranged in puts control circuit 7 in advance all the way, charger 1 is arranged in all the way, is arranged in controls all the way
Device 2 processed, remaining is uniformly arranged on each position of battery pack 3.It is used to detect the temperature of the point, temperature per temperature sensing circuit all the way
Sensor 20 is carried out for detecting the temperature, the analog signal that signal pre-processing circuit 21 is used to export temperature sensor 20
Shaping amplification filtering, the analog signal that analog to digital conversion circuit 22 is used to export temperature sensor 20 are converted into digital signal.
The power control circuit 8 is provided with fuse, can fuse automatically in short circuit or overcurrent.Fuse can be in overcurrent
Or fuse automatically when short circuit, effectively device can be protected.
The gyro module 14 includes gyroscope, and power pins and the power supply VCC (3.3V) of gyroscope are directly connected to, top
The digital signal of output is passed to control module in digital signal output mode and by SPI serial communication port by the work of spiral shell instrument
11.Gyro module 14 can measure the tilt angle of device, when device tilts or when falling, control module 11 then from
Dynamic shutdown charge or discharge, protective device and staff.
The control module 11 by charger 1 and controller 2 controlled by communication module 15 activation of battery pack 3 with
It closes, judges that battery pack 3 is to be in charge mode or discharge mode, and control charger 1 and control by communication module 15
The working condition of device 2 processed.
The communication module 15 is that serial communication or SPI are communicated.Communication module 15 is for communicating, serial communication or SPI
Have the advantages that communication robust, speed are fast, structure is simple.
The analog front circuit 9 can acquire the total current of the battery pack 3, total voltage and each battery voltage,
Circuit.Analog front circuit can be monitored the circuit of device various pieces.
Working principle: the present invention includes charger 1, controller 2, battery pack 3, safe secondary protection circuit 4, charging control circuit
5, charge/discharge control circuit 6, pre-arcing control circuit 7, power control circuit 8, analog front circuit 9, expansion connection module 10, control
Molding block 11, voltage conversion circuit 12, temperature acquisition array 13, gyro module 14 and communication module 15, the charger 1
It is connect with charging control circuit 5 and communication module 15；The controller 2 and charge/discharge control circuit 6, pre-arcing control circuit 7
And communication module 15 connects；The charging control circuit 5 is also connect with safe secondary protection circuit 4, voltage conversion circuit 12；It is described
Charge/discharge control circuit 6 is also connect with voltage conversion circuit 12；The pre-arcing control circuit 7 also with control module 11, adopt by temperature
Collection array 13, gyro module 14 and communication module 15 connect the safe secondary protection circuit 4 and also connect with battery pack 3；It is described
Battery pack 3 is also connect with power control circuit 8 and analog front circuit 9；The analog front circuit 9 also with control module 11
And voltage conversion circuit 12 connects；The control module 11 includes MCU module 23, and control module 11 is gone back and expansion connection module
10, voltage conversion circuit 12, temperature acquisition array 13, gyro module 14 and communication module 15 connect.
Charger 1 is for charging to the present invention.Controller 2 is for being controlled.Charge/discharge control circuit 6 is used for putting
Electric process is controlled.Charging control circuit 5 is for controlling charging process.Safe secondary protection circuit 4 is used for charging
Cheng Jinhang second class protection.Battery pack 3 includes muti-piece battery.Analog front circuit 9 can acquire the total current, total of the battery pack 3
The voltage of voltage and each battery, circuit.Control module 11 is for controlling whole device.Voltage conversion circuit 12 is used for mould
Quasi- signal is converted into digital signal.
Control module 11 acquires the voltage and current information of battery pack by analog front circuit 9, in case of over-voltage, owes
Pressure, the states such as overcurrent then will do it corresponding control protection.Control module 11 acquires the voltage of charger 1, if 1 electricity of charger
Reduce off-flavor is normal, then can do corresponding control protection.Over-voltage voltage when software over-voltage is failed and more than safe secondary protection circuit 4, two
Grade protection circuit 4 can then control 5 charge closing of charging control circuit.When the under-voltage failure of software and it is lower than hardware brownout voltage, in advance
Discharge process can be then automatically closed in charge/discharge control circuit 7.
The above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to preferred embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that, it can modify to technical solution of the present invention
Or equivalent replacement should all cover without departing from the objective and range of technical solution of the present invention in claim of the invention
In range.Technology not described in detail in the present invention, shape, construction portion are well-known technique.
Claims (7)
1. a kind of high efficiency smart backpack battery pack manages circuit, including charger (1), controller (2), battery pack (3), second level
Protect circuit (4), charging control circuit (5), charge/discharge control circuit (6), pre-arcing control circuit (7), power control circuit
(8), analog front circuit (9), expansion connection module (10), control module (11), voltage conversion circuit (12), temperature acquisition battle array
(13), gyro module (14) and communication module (15) are arranged,
The charger (1) connect with charging control circuit (5) and communication module (15)；
The controller (2) connect with charge/discharge control circuit (6), pre-arcing control circuit (7) and communication module (15)；
The charging control circuit (5) also connect with safe secondary protection circuit (4), voltage conversion circuit (12)；
The charge/discharge control circuit (6) also connect with voltage conversion circuit (12)；
The pre-arcing control circuit (7) also with temperature acquisition array (13), gyro module (14) and communication module (15)
Connection；
The safe secondary protection circuit (4) also connect with battery pack (3)；
The battery pack (3) also connect with power control circuit (8) and analog front circuit (9)；
The analog front circuit (9) also with expansion connection module (10), control module (11) and voltage conversion circuit (12)
Connection；
The control module (11) includes MCU module (23), and control module (11) is also converted with expansion connection module (10), voltage
Circuit (12), temperature acquisition array (13), gyro module (14) and communication module (15) connection.
2. a kind of high efficiency smart backpack battery pack according to claim 1 manages circuit, it is characterised in that: the battery
Wrapping (3) includes 112 pieces of battery cores (16), is connected by the way of going here and there 8 simultaneously using 14, battery pack (3) first uses insulated electro adhesive plaster (17) up time
Needle winding, then plastic colloidal cloth (18) wrapped anti-clockwise is used, finally inside aluminum alloy casing (19).
3. a kind of high efficiency smart backpack battery pack according to claim 1 manages circuit, it is characterised in that: the temperature
Acquisition array (13) is no less than 8 road temperature sensing circuits, includes that temperature sensor (20), signal are pre- per temperature sensing circuit all the way
Processing circuit (21), analog to digital conversion circuit (22), temperature sensor (20), signal pre-processing circuit (21), analog to digital conversion circuit
(22) it is sequentially connected, analog to digital conversion circuit (22) is connect with control module (11), wherein charging control circuit is arranged in all the way
(5), charge/discharge control circuit (6) are set all the way, is arranged in puts control circuit (7) in advance all the way, charger (1) is set all the way,
Controller (2) are set all the way, remaining is uniformly arranged on battery pack (3) each position.
4. a kind of high efficiency smart backpack battery pack according to claim 1 manages circuit, it is characterised in that: the power supply
Control circuit (8) is provided with fuse, can fuse automatically in short circuit or overcurrent.
5. a kind of high efficiency smart backpack battery pack according to claim 1 manages circuit, it is characterised in that: the control
Module (11) controls the activation and closing of battery pack (3) by charger (1) and controller (2) by communication module (15),
Judge that battery pack (3) is to be in charge mode or discharge mode, and control charger (1) and control by communication module (15)
The working condition of device (2) processed.
6. a kind of high efficiency smart backpack battery pack according to claim 1 manages circuit, it is characterised in that: the communication
Module (15) is that serial communication or SPI are communicated.
7. a kind of high efficiency smart backpack battery pack according to claim 1 manages circuit, it is characterised in that: the simulation
Front-end circuit (9) can acquire the total current of the battery pack (3), the voltage of total voltage and each battery, circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811298781.1A CN109617149A (en) | 2018-11-02 | 2018-11-02 | A kind of high efficiency smart backpack battery pack management circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811298781.1A CN109617149A (en) | 2018-11-02 | 2018-11-02 | A kind of high efficiency smart backpack battery pack management circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109617149A true CN109617149A (en) | 2019-04-12 |
Family
ID=66001856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811298781.1A Pending CN109617149A (en) | 2018-11-02 | 2018-11-02 | A kind of high efficiency smart backpack battery pack management circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109617149A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201821092U (en) * | 2010-10-21 | 2011-05-04 | 天津光电通信技术有限公司 | Protective circuit for lithium power battery packs |
| US20130307476A1 (en) * | 2012-05-19 | 2013-11-21 | Tesla Motors, Inc. | Method and system for servicing high voltage battery packs |
| WO2015013913A1 (en) * | 2013-07-31 | 2015-02-05 | 吉瑞高新科技股份有限公司 | Overcurrent and overvoltage protection circuit and method for electronic cigarette |
| JP2016019301A (en) * | 2014-07-04 | 2016-02-01 | 株式会社マキタ | Battery pack |
| CN106067570A (en) * | 2016-07-15 | 2016-11-02 | 李志行 | A kind of bimodulus global function battery management system and charging/discharging thereof thereof |
| JP2016225317A (en) * | 2012-07-06 | 2016-12-28 | 日立工機株式会社 | Backpack type power supply |
| CN107919700A (en) * | 2017-11-27 | 2018-04-17 | 中山市电赢科技有限公司 | A kind of control method of back-pack electric instrument intelligent power |
| CN207283206U (en) * | 2017-09-11 | 2018-04-27 | 上海汽车集团股份有限公司 | The integrated form analog front circuit of battery management system |
-
2018
- 2018-11-02 CN CN201811298781.1A patent/CN109617149A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201821092U (en) * | 2010-10-21 | 2011-05-04 | 天津光电通信技术有限公司 | Protective circuit for lithium power battery packs |
| US20130307476A1 (en) * | 2012-05-19 | 2013-11-21 | Tesla Motors, Inc. | Method and system for servicing high voltage battery packs |
| JP2016225317A (en) * | 2012-07-06 | 2016-12-28 | 日立工機株式会社 | Backpack type power supply |
| WO2015013913A1 (en) * | 2013-07-31 | 2015-02-05 | 吉瑞高新科技股份有限公司 | Overcurrent and overvoltage protection circuit and method for electronic cigarette |
| JP2016019301A (en) * | 2014-07-04 | 2016-02-01 | 株式会社マキタ | Battery pack |
| CN106067570A (en) * | 2016-07-15 | 2016-11-02 | 李志行 | A kind of bimodulus global function battery management system and charging/discharging thereof thereof |
| CN207283206U (en) * | 2017-09-11 | 2018-04-27 | 上海汽车集团股份有限公司 | The integrated form analog front circuit of battery management system |
| CN107919700A (en) * | 2017-11-27 | 2018-04-17 | 中山市电赢科技有限公司 | A kind of control method of back-pack electric instrument intelligent power |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20190412 |