CN207166168U - A kind of battery management system of low-power consumption - Google Patents
A kind of battery management system of low-power consumption Download PDFInfo
- Publication number
- CN207166168U CN207166168U CN201720895992.8U CN201720895992U CN207166168U CN 207166168 U CN207166168 U CN 207166168U CN 201720895992 U CN201720895992 U CN 201720895992U CN 207166168 U CN207166168 U CN 207166168U
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- power consumption
- stabiliser tube
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- Withdrawn - After Issue
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
It the utility model is related to a kind of battery management system of low-power consumption, power module, vibrations controlable electric current unit, voltage acquisition module, memory module and current sense resistor and the communication module being connected including microprocessor U1 and respectively with microprocessor U1, communication module wireless connection PC or handheld device.The utility model installs the vibrations controlable electric current unit of a low-power consumption additional on BMS or battery protecting plate; circuit and special configuration equipment in conjunction with particular design; to realize battery standing low-power consumption and long-distance transport low-power consumption; can be in battery pack when not in use; the power consumption of battery management system or protection board is dropped to extremely low; ensure in prolonged standing or transportation, do not consume the electricity of battery bag excessively, do not influence the normal use of battery bag.
Description
Technical field
The utility model belongs to field of lithium, is related to the management of lithium battery, especially a kind of battery management of low-power consumption
System.
Background technology
In long-term transport or when standing, battery management system (hereinafter referred to as BMS) or protection board have faint lithium battery pack
Power consumption, in order to transport safely when being dispatched from the factory due to battery pack, 30% capacity can only be charged to, thus for a long time do not charge, this
Slightly weak power consumption, it can cause battery electric quantity is crossed to put, lead to not normal use.
Utility model content
The purpose of this utility model is in place of overcome the deficiencies in the prior art, there is provided a kind of battery management system of low-power consumption
System, ensure in prolonged standing or transportation, do not consume the electricity of battery bag excessively.
Technical scheme is used by the utility model solves technical problem：
A kind of battery management system of low-power consumption, including microprocessor U1 and the power supply mould that is connected respectively with microprocessor U1
Block, vibrations controlable electric current unit, voltage acquisition module, memory module and current sense resistor and communication module, communication module without
Line connects PC or handheld device.
Moreover, described vibrations controlable electric current unit includes controlling switch unit, impedance transformation unit, filter unit and more
Individual resistance, vibration switch R4 feeder ear connection controlling switch unit, controlling switch unit pass through resistance R1 connection microprocessors
U1 CKEN pins, the vibration switch R4 other end connect filter unit and resistance R11 respectively, and resistance R11 accesses power cathode,
Filter unit connects impedance transformation unit, the CKIN pins that impedance transformation unit passes through resistance R7 connection microprocessors U1.
Moreover, described controlling switch unit includes controlling transistor Q1 and voltage-stabiliser tube D1, transistor Q1 colelctor electrode connects
Connect vibration switch R4, emitter stage connection positive source, base stage and connect resistance R1 and voltage-stabiliser tube D1, voltage-stabiliser tube D1 connections electricity respectively
Source positive pole.
Moreover, described filter unit includes resistance R8, electric capacity C1, voltage-stabiliser tube D4, electric capacity C2 and resistance R9, resistance R8
One end connection vibration switch R4, resistance R8 other end connection electric capacity C1 one end, the electric capacity C1 other end connects surely respectively
Pressure pipe D4, electric capacity C2, resistance R9 one end, voltage-stabiliser tube D4, electric capacity C2, resistance R9 other end ground connection, resistance R9 are also connected with hindering
Anti- converting unit.
Moreover, the impedance transformation unit includes transistor Q4, resistance R2, resistance R3, voltage-stabiliser tube D2, transistor Q2 and electricity
Hinder R10, the resistance R9 of transistor Q4 base stage connection filter unit, grounded emitter, colelctor electrode connection resistance R3 one end, electricity
The resistance R3 other ends connect resistance R2 one end, voltage-stabiliser tube D2 one end, transistor Q2 base stage, the resistance R2 other end respectively
The transistor Q1 colelctor electrodes of controlling switch unit and the voltage-stabiliser tube D2 other end, voltage-stabiliser tube D2 connection transistors Q2 are connected respectively
Emitter stage, transistor Q2 colelctor electrode connects resistance R7 and resistance R10, resistance R10 ground connection, the micro- place of resistance R7 connections respectively
Manage device U1 CKIN pins.
The advantages of the utility model and good effect are：
The utility model installs the vibrations controlable electric current unit of a low-power consumption additional on BMS or battery protecting plate, in conjunction with
The circuit of particular design and special configuration equipment, can be in electricity to realize battery standing low-power consumption and long-distance transport low-power consumption
Pond group when not in use, the power consumption of battery management system or protection board is dropped to extremely low, the prolonged standing of guarantee or transportation
In, the electricity of battery bag is not consumed excessively, does not influence the normal use of battery bag.
Brief description of the drawings
Fig. 1 is the circuit block diagram of battery management system；
Fig. 2 is the circuit diagram of vibrations controlable electric current unit.
Embodiment
Below in conjunction with the accompanying drawings and the utility model is described in further detail by specific embodiment, and following examples are simply retouched
The property stated, be not limited, it is impossible to limit the scope of protection of the utility model with this.
A kind of battery management system of low-power consumption, including microprocessor U1 and the power supply mould that is connected respectively with microprocessor U1
Block, vibrations controlable electric current unit, voltage acquisition module, memory module and current sense resistor and communication module, communication module without
Line connects PC or handheld device.Described vibrations controlable electric current unit include controlling switch unit 2, impedance transformation unit 1,
Filter unit 3 and multiple resistance, vibration switch R4 feeder ear connection controlling switch unit, controlling switch unit pass through resistance R1
Microprocessor U1 CKEN pins are connected, the vibration switch R4 other end connects filter unit and resistance R11, resistance R11 respectively
Power cathode, filter unit connection impedance transformation unit are accessed, impedance transformation unit passes through resistance R7 connection microprocessors U1's
CKIN pins.
Described controlling switch unit includes controlling transistor Q1 and voltage-stabiliser tube D1, transistor Q1 colelctor electrode connection vibrations
Switch R4, emitter stage connection positive source, base stage connect resistance R1 and voltage-stabiliser tube D1, voltage-stabiliser tube D1 connection positive sources respectively.
Described filter unit includes resistance R8, electric capacity C1, voltage-stabiliser tube D4, electric capacity C2 and resistance R9, resistance R8 one end
Vibration switch R4, resistance R8 other end connection electric capacity C1 one end are connected, the electric capacity C1 other end connects voltage-stabiliser tube respectively
D4, electric capacity C2, resistance R9 one end, voltage-stabiliser tube D4, electric capacity C2, resistance R9 other end ground connection, resistance R9 are also connected with impedance and turned
Change unit.
The impedance transformation unit includes transistor Q4, resistance R2, resistance R3, voltage-stabiliser tube D2, transistor Q2 and resistance
The resistance R9 of R10, transistor Q4 base stage connection filter unit, grounded emitter, colelctor electrode connection resistance R3 one end, resistance
The R3 other ends connect resistance R2 one end, voltage-stabiliser tube D2 one end, transistor Q2 base stage, resistance R2 other end difference respectively
Connect the transistor Q1 colelctor electrodes of controlling switch unit and the voltage-stabiliser tube D2 other end, voltage-stabiliser tube D2 connection transistors Q2 hair
Emitter-base bandgap grading, transistor Q2 colelctor electrode connect resistance R7 and resistance R10, resistance R10 ground connection, resistance R7 connection microprocessors respectively
U1 CKIN pins.
Vibrations controlable electric current unit operation principle be：
In whole circuit, shock sensor (vibration switch R4) is the trigger source of a signal, and this circuit passes in vibrations
Feeder ear access one controlling transistor Q1 and voltage-stabiliser tube D1 of sensor, by a resistance R1, accesses microcontroller U1's
CKEN pins, sensor signal access power cathode by a resistance R11, while after resistance R8 and electric capacity C1, access
Transistor Q4 base stage, by Q4 come controlling transistor Q2 break-make, then the CKIN pins by signal access microprocessor, from
And complete low-power consumption and signal shaping and filtering and enhanced processing.So no matter shock sensor is in closure or separated position,
Whole circuit not power consumptions.And only when shock sensor continuous vibration, just there can be pulse output in CKIN.
When needing to shake enabled, CKEN pin are set low level by microprocessor, Q1 conductings, when shock sensor shakes, are had
Signal output, when needing to close vibrations trigger signal, CKEN pin are put high level by microprocessor, while enter resting state,
During vibrations, sensor no signal triggering microprocessor, it will be unable to wake up microprocessor, it is achieved thereby that low-power consumption and vibrations can
Control.
1st, battery bag long-time standing and normal use
When battery bag is stood, BMS or protection board can be sentenced by the vibrations controlable electric current unit of low-power consumption, microprocessor U1
Disconnected battery bag whether static condition, and pass through current sense resistor, detect current working current, if static condition and output
Battery bag output current is less than the operating current of setting, and continuous time of repose is more than the dormancy time of BMS software sets, then
The output voltage of battery bag is turned off, while BMS enters resting state, overall power is almost nil.When it is desired to be used, can shake
Dynamic battery bag, the vibrations controlable electric current unit of low-power consumption is activated, wake up BMS or protection board, while BMS opens battery bag output electricity
Pressure, electrical equipment can normal use battery.
2nd, transport for a long time
If battery bag or being mounted with the equipment of battery bag, it is necessary to transport for a long time, special matched somebody with somebody by one before shipping
The special instruction that standby (hand-held set or pc) sends a closing arousal function to BMS or protection board is installed, after receiving instruction, BMS
Or protection board can close the vibrations controlable electric current unit of low-power consumption, it is set to fail, and turn off cell output voltage while enter
Resting state, even if now battery bag shakes, it also will not wake up BMS or protection board.When battery bag or it is mounted with this battery
The equipment of bag transports to destination, it is necessary in use, can be charged to battery or using specialized configuration equipment and battery bag BMS
Communication module carry out communication connection, BMS is waken up, and send the enabled vibrations for waking up special instruction, now activating low-power consumption
Controlable electric current unit, battery bag can normal uses.
Above-described is only preferred embodiment of the present utility model, it is noted that for the ordinary skill of this area
For personnel, on the premise of utility model design is not departed from, various modifications and improvements can be made, these belong to this reality
With new protection domain.
Claims (4)
- A kind of 1. battery management system of low-power consumption, it is characterised in that：Connect including microprocessor U1 and respectively with microprocessor U1 Power module, vibrations controlable electric current unit, voltage acquisition module, memory module and current sense resistor and the communication module connect, Communication module wireless connection PC or handheld device, described vibrations controlable electric current unit include controlling switch unit, impedance transformation Unit, filter unit and multiple resistance, vibration switch R4 feeder ear connection controlling switch unit, controlling switch unit pass through electricity R1 connection microprocessors U1 CKEN pins are hindered, the vibration switch R4 other end connects filter unit and resistance R11, resistance respectively R11 accesses power cathode, filter unit connection impedance transformation unit, and impedance transformation unit passes through resistance R7 connection microprocessors U1 CKIN pins.
- 2. the battery management system of low-power consumption according to claim 1, it is characterised in that：Described controlling switch unit bag Include controlling transistor Q1 and voltage-stabiliser tube D1, transistor Q1 colelctor electrode connection vibration switch R4, emitter stage connection positive source, base Pole connects resistance R1 and voltage-stabiliser tube D1, voltage-stabiliser tube D1 connection positive sources respectively.
- 3. the battery management system of low-power consumption according to claim 1, it is characterised in that：Described filter unit includes electricity Hinder R8, electric capacity C1, voltage-stabiliser tube D4, electric capacity C2 and resistance R9, resistance R8 one end connection vibration switch R4, the resistance R8 other end Connecting electric capacity C1 one end, the electric capacity C1 other end connects voltage-stabiliser tube D4, electric capacity C2, resistance R9 one end respectively, voltage-stabiliser tube D4, Electric capacity C2, resistance R9 other end ground connection, resistance R9 are also connected with impedance transformation unit.
- 4. the battery management system of low-power consumption according to claim 1, it is characterised in that：The impedance transformation unit includes Transistor Q4, resistance R2, resistance R3, voltage-stabiliser tube D2, transistor Q2 and resistance R10, transistor Q4 base stage connection filter unit Resistance R9, grounded emitter, colelctor electrode connection resistance R3 one end, the resistance R3 other ends connect respectively resistance R2 one end, Voltage-stabiliser tube D2 one end, transistor Q2 base stage, the resistance R2 other end connect the transistor Q1 collection of controlling switch unit respectively The other end of electrode and voltage-stabiliser tube D2, voltage-stabiliser tube D2 connection transistors Q2 emitter stage, transistor Q2 colelctor electrode connect respectively Resistance R7 and resistance R10, resistance R10 are grounded, resistance R7 connection microprocessors U1 CKIN pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720895992.8U CN207166168U (en) | 2017-07-24 | 2017-07-24 | A kind of battery management system of low-power consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720895992.8U CN207166168U (en) | 2017-07-24 | 2017-07-24 | A kind of battery management system of low-power consumption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207166168U true CN207166168U (en) | 2018-03-30 |
Family
ID=61713781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720895992.8U Withdrawn - After Issue CN207166168U (en) | 2017-07-24 | 2017-07-24 | A kind of battery management system of low-power consumption |
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| Country | Link |
|---|---|
| CN (1) | CN207166168U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107171414A (en) * | 2017-07-24 | 2017-09-15 | 天津动芯科技有限公司 | A kind of battery management system of low-power consumption |
-
2017
- 2017-07-24 CN CN201720895992.8U patent/CN207166168U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107171414A (en) * | 2017-07-24 | 2017-09-15 | 天津动芯科技有限公司 | A kind of battery management system of low-power consumption |
| CN107171414B (en) * | 2017-07-24 | 2023-06-30 | 天津动芯科技有限公司 | Low-power consumption battery management system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180330 Effective date of abandoning: 20230630 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180330 Effective date of abandoning: 20230630 |