CN105905055A - Intelligent car battery - Google Patents
Intelligent car battery Download PDFInfo
- Publication number
- CN105905055A CN105905055A CN201610119374.4A CN201610119374A CN105905055A CN 105905055 A CN105905055 A CN 105905055A CN 201610119374 A CN201610119374 A CN 201610119374A CN 105905055 A CN105905055 A CN 105905055A
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- CN
- China
- Prior art keywords
- cells
- control unit
- switch
- anelectrode
- reset switch
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
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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
Abstract
The invention relates to an intelligent car battery comprising an auxiliary circuit arranged inside a battery shell and a reset switch exposed out of the shell. The auxiliary circuit comprises a control unit and a controlled switch. The control unit is connected with a positive electrode and a negative electrode, and is used for monitoring the voltage of a battery pack. When the control unit detects that the voltage of the battery pack is less than a second threshold, the controlled switch cuts off power supply of the battery pack to the positive electrode and the control unit under control, and thus, the battery pack goes into sleep. One end of the reset switch is connected with the positive electrode of the battery pack. When the battery pack is in a state of sleep, the reset switch is closed under the action of external force to restore power supply of the battery pack to the control unit, and the battery pack is awakened from a sleep and power-saving state. When the voltage of the battery pack drops to less than the second threshold, the battery pack goes into sleep. If there is a need to start a car again, the batteries can go back to normal when the reset switch exposed out of the battery shell is pressed manually, without the need to wait for a rescue vehicle to perform ignition.
Description
Technical field
The present invention relates to the electric supply installation of automobile, particularly relate to a kind of automobile intelligent accumulator.
Background technology
Motor vehicles generally is equipped with accumulator, and coordinating electromotor (electromotor) is that each electrical equipment on car carries
For electric energy.Automobile is in use, it may appear that the accumulator electric-quantity that a variety of causes causes declines and cannot rise
The situation of electrical automobile, common examples has: forget to close car light, switch-off listens sound equipment, thunder and lightning heavy rain to ring all through the night
Alarm, automobile line leak electricity, park etc. for a long time.At this moment breakdown lorry is generally required to take fire, ability
Start automobile, extremely inconvenience.
Summary of the invention
Based on this, it is necessary to provide a kind of and can solve the problem that storage battery energy declines and the problem that cannot start-up a car
Automobile intelligent accumulator.
A kind of automobile intelligent accumulator, including the set of cells in battery cell case, shell and and set of cells
Automobile is carried out by the anelectrode and negative electrode, described anelectrode and the negative electrode that connect for the circuit connecting automobile
Power or accept charging, it is characterised in that also including reset switch and the auxiliary circuit being located in described shell,
Described auxiliary circuit includes control unit and controlled switch, described control unit and described anelectrode, negative electrode
Connecting, described control unit is for being monitored, when electricity set of cells being detected the voltage of described set of cells
Control described controlled switch when pressure is less than Second Threshold and disconnect set of cells to described anelectrode and the confession of control unit
Electricity, makes set of cells enter sleep power down mode；Described reset switch one end connects the positive pole of described set of cells,
And described reset switch closes when by external force, for passing through when described set of cells is in sleep power down mode
The Guan Bi of self makes set of cells recover the power supply to described control unit, then is subject to described in control unit controls
Control switch recovers the set of cells power supply to anelectrode, so that described set of cells is called out by power down mode of sleeping
Wake up.
Wherein in an embodiment, described auxiliary circuit also includes manostat, the outfan of described manostat
It is connected with the supply pin of described control unit, provides working power for described control unit, described manostat
Input and the first fly-wheel diode connect, and described first fly-wheel diode includes that two negative electrodes connect together work
It is the diode of the outfan of the first fly-wheel diode, and the anode of one of them diode connects described positive electricity
Pole, connects the positive pole of described set of cells after the anode described reset switch of series connection of another diode；Described multiple
Bit switch is when being closed by external force, and the positive pole of described set of cells is that the outfan by described manostat is to control
The supply pin of unit provides running voltage, so that described set of cells is waken up by power down mode of sleeping.
Wherein in an embodiment, for disconnecting shape when described reset switch is for closing after being pressed, not stressing
The switch of state, described control unit be additionally operable to reset switch be in closure state more than the first duration after control
Described controlled switch disconnects the power supply to anelectrode of the described set of cells, makes set of cells enter sleep power down mode.
Wherein in an embodiment, the reset detection foot of described control unit is connected to described reset switch with continuous
Between stream diode, when described reset switch is closed by external force, provide closure signal to described reset detection foot,
Described control unit judges the Guan Bi duration of reset switch by described closure signal, when reset switch being detected
Guan Bi duration when exceeding described first duration, described control unit controls described controlled switch and disconnects so that
Described set of cells enters sleep power down mode.
Wherein in an embodiment, described auxiliary circuit also includes that be connected with described control unit crosses stream inspection
Survey unit, for making described controlled switch disconnect electricity when the electric current that described set of cells exports is more than four threshold values
The power supply to anelectrode of the pond group；Described control unit also needs to judge whether over-current detection unit is examined after the power-up
The electric current measuring set of cells output is more than the 4th threshold value, if being then judged to short circuit and not carrying out set of cells multiple
Position wakes up up.
Wherein in an embodiment, described auxiliary circuit also includes that acceleration sensing switchs, described acceleration
Sensitive switch sends to described control unit when the acceleration detecting self is more than five threshold values and turns off letter
Number, described control unit control described controlled switch and disconnect the power supply to anelectrode of the described set of cells.
Wherein in an embodiment, also include extending wire and the reset switch interface being located on described shell,
Described reset switch is located in the driver's cabin of automobile, accesses institute by described extending wire and reset switch interface
State auxiliary circuit.
Wherein in an embodiment, described controlled switch include magnetic latching relay, first fill can electric capacity,
Second fills energy electric capacity and semibridge system pull-up pull-down circuit, and described first fills and can fill energy capacitances in series by electric capacity and second,
Described second fill can electric capacity be not connected with described first fill can electric capacity one end connect battery electrode, described first
Fill energy electric capacity and be not connected with the positive pole of the described second described set of cells of one end connection filling energy electric capacity；Described magnetic keeps
One end, contact of relay connects described anelectrode, the other end connects described battery anode, and described magnetic keeps
Coil one end of relay connects first, second and fills the energy junction point of electric capacity, the other end described semibridge system of connection
Pull-up pull-down circuit Shang Qiao and the junction point of lower bridge；The pull-up of described semibridge system pull-up pull-down circuit is terminated at institute
State between contact with anelectrode, lower pull end is connected described negative electrode, and described control unit is by described semibridge system
The coil current potential of described magnetic latching relay is pulled up, with drop-down, relay is carried out opening and closing control by pull-up pull-down circuit
System.
Wherein in an embodiment, described control unit detects when reset switch closes after the power-up, also
Need to judge that battery voltage, whether less than the 7th threshold value, does not carries out reset to set of cells and wakes up up.
Wherein in an embodiment, described controlled switch also includes the second fly-wheel diode, and described second continues
The outfan of stream diode connects described upper pull end, and described second fly-wheel diode includes that two negative electrodes are connected in one
Play the diode of the outfan as the second fly-wheel diode, and the anode of one of them diode connects described
Anelectrode, the anode of another diode connects the positive pole of described set of cells；Described control unit is powering on
Whether closed by described reset detection foot detection reset switch afterwards, if it is not, be then judged to external charge, institute
State the closing of contact of the control unit described magnetic latching relay of control thus set of cells is charged.
Wherein in an embodiment, described controlled switch also includes that the 3rd fills energy electric capacity, and the described 3rd fills energy
Electric capacity fills with first, second connected can electric capacity parallel connection.
Above-mentioned automobile storage battery, when battery voltage drops to less than Second Threshold, control unit closes electricity
Pond group output, allows set of cells enter sleep power down mode.When needs start vehicle again, it is only necessary to manually
Press reset switch, battery recovery can be allowed normally to work (equivalent of from carrying standby startup power supply function).
Take fire without waiting for breakdown lorry, the most both power saving environmental protection, the breakdown lorry wasting of resources can be solved again and ask
Topic.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of automobile intelligent accumulator in an embodiment；
Fig. 2 is the structured flowchart of automobile intelligent accumulator in another embodiment；
Fig. 3 is the circuit theory diagrams of automobile intelligent accumulator in an embodiment；
Fig. 4 a～4g is the partial enlarged drawing of Fig. 3 each several part；
Fig. 5 is the circuit theory diagrams of automobile intelligent accumulator in another embodiment；
Fig. 6 is the partial enlarged drawing of controlled switch in Fig. 5.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Execute example, the present invention is further elaborated.Only should be appreciated that specific embodiment described herein
Only in order to explain the present invention, it is not intended to limit the present invention.
Unless otherwise defined, all of technology used herein and scientific terminology and the technology belonging to the present invention
The implication that the technical staff in field is generally understood that is identical.The art used the most in the description of the invention
Language is intended merely to describe the purpose of specific embodiment, it is not intended that in limiting the present invention.Used herein
Term " and/or " include the arbitrary and all of combination of one or more relevant Listed Items.
The automobile intelligent accumulator of the present invention, including battery cell case, is covered on the upper cover of shell, is positioned at
Set of cells in lid and shell and the auxiliary circuit that is connected with set of cells, in putting in upper cover and battery from upper cover
The anelectrode of group connection and negative electrode (anelectrode connects battery anode, and negative electrode connects battery electrode),
And the reset switch being exposed to outside shell.Automobile intelligent accumulator is by anelectrode and negative electrode and the electricity of automobile
Road is bi-directionally connected, and completes the basic function of charging, electric power storage, power supply.Fig. 1 is automobile intelligent in an embodiment
The structured flowchart of accumulator.Automobile intelligent accumulator is electrically connected with by the electromotor of anelectrode with automobile, auxiliary
Circuit is helped to include control unit 30 and controlled switch 20.Control unit 30 is connected with anelectrode, negative electrode,
For the voltage of set of cells is monitored, control to be subject to when voltage set of cells being detected is less than Second Threshold
Control switch 20 disconnection set of cells, to anelectrode and the power supply of control unit 30, makes set of cells enter sleep power saving
State.Reset switch S one end connects the positive pole B+ of set of cells, and reset switch S (is artificially being grasped by external force
Make) time Guan Bi.When set of cells is in sleep power down mode, driver can switch S by closed reduction
(being located at battery cell case in the present embodiment outer) so that set of cells recovers the power supply to control unit 30,
Controlled controlled switch 20 by control unit 30 again and recover the set of cells power supply to anelectrode, so that battery
Group is waken up by power down mode of sleeping.
Automobile is in use, it may appear that the accumulator electric-quantity that a variety of causes causes declines and cannot start vapour
The situation of car, common examples has: forget to close car light, switch-off listen sound equipment, thunder and lightning heavy rain acoustic warning all through the night,
Automobile line leaks electricity, parks etc. for a long time.Above-mentioned automobile storage battery, when battery voltage drops to less than
During Second Threshold, (Second Threshold is an empirical value, is set to battery wherein when being full of in an embodiment
The 1/4 of voltage), control unit 30 closes set of cells output, allows set of cells enter sleep state.When needs again
During secondary starting vehicle, it is only necessary to Manual press is once arranged on reset switch S, Ji Kerang on battery cell case
Battery recovery normally works (equivalent of from carrying standby startup power supply function).Fire is taken without waiting for breakdown lorry,
The most both power saving environmental protection, can solve again breakdown lorry problem of resource waste.
In the embodiment shown in fig. 1, auxiliary circuit also includes capacitor C and capacitance switch Q.Capacitor C
For carrying out composite power supply with battery pack fits, therefore to use jumbo electric capacity, wherein an enforcement
Example uses capacitor array.Capacitor C and capacitance switch Q connects and is followed by anelectrode, and the electric capacity of series connection
Device C and capacitance switch Q is in parallel with cell battery pack.Control unit 30 is additionally operable to detect the voltage of set of cells,
Capacitance switch Q conducting is controlled so that capacitor C accesses positive electricity when the voltage of set of cells is higher than first threshold
Pole and negative electrode are powered/charge, and control controlled switch 20 and disconnect the confession that set of cells is carried out by anelectrode
Electricity/charging；Control unit 30 controls controlled switch 20 and closes when the voltage of anelectrode is less than the first voltage,
Thus recover the power supply to anelectrode of the described set of cells, then by disconnecting capacitance switch Q capacitor C with negative
Electrode separation, thus the discharge and recharge of stopping capacitor C.Wherein, first threshold is an empirical value, i.e. sentences
It is set to electromotor and after fully charged, disconnects the connection of set of cells and anelectrode to set of cells.First voltage can be one
Individual empirical value, it is also possible to be the current voltage of set of cells, i.e. after flameout of automobile engine, capacitor C's
Voltage can decline, by the setting to the first voltage so that after the voltage of capacitor C drops to a certain degree,
Circuit switches to by battery-powered.
Above-mentioned automobile intelligent accumulator is by set of cells shnt capacitor compound use, it is possible to reduce in battery output
Portion's impedance.When electromotor starts, set of cells exports energy, after parallel connection with capacitor is used in parallel simultaneously
Accumulator is more beneficial for the work of electromotor big electric current short time ignition start.Control unit can be full of in set of cells
Disconnect after electricity, make set of cells separate with anelectrode, after separation, only coordinate automobile engine (to send out by capacitor
Motor) it is that full car is powered, when engine stop generates electricity (automobile flameout), it is judged that condenser voltage is less than the
After one voltage, switch to set of cells and output power supply.This ingehious design makes set of cells and capacitor not
It is used alternatingly with under state, extends for battery life and provide good condition, basically reached a car one
Accumulator, until vehicle subscription rate.And traditional vehicle uses accumulator within 10 years, to take around replacing 4 times,
The environmental benefit using above-mentioned automobile intelligent accumulator is obvious.
Wherein in an embodiment, cell battery pack use ferric phosphate lithium cell as main energy-accumulation material,
Replace traditional lead-acid accumulator, there is long-life, light-weighted advantage, and environmental benefit is obvious.
The most convenient owing to being arranged on battery cell case by reset switch S, driver also to open and draw
Hold up lid could reset switch S be operated.Wherein in an embodiment, reset switch S can be set
It is placed in driver's cabin, and is connected to automobile intelligent accumulator by an extended line (electric wire).Correspondingly,
(can be socket, extended line end relative set plug enters to arrange reset switch interface on battery cell case
Row grafting), by reset switch interface, reset switch S is accessed the auxiliary circuit in shell.
Seeing Fig. 2, in this embodiment, auxiliary circuit also includes the over-current detection being connected with control unit 30
Unit 40.Electric current for exporting in set of cells makes controlled switch 20 disconnect set of cells pair when being more than four threshold values
The power supply of anelectrode.Control unit 30 also needs to judge whether over-current detection unit detects battery after the power-up
The electric current of group output more than the 4th threshold value, is the most then judged to short circuit and set of cells is not carried out reset and wake up up.
4th threshold value is an empirical value, arranges the 4th threshold value and circuit was carried out stream and short-circuit protection.When outside set of cells
When the circuit that portion connects is short-circuited, over-current detection unit 40 can control controlled switch 20 and close electric power storage in time
Pond exports, and reduces the probability causing vehicle to burn because of line short, support personnel and the safety of vehicle.
Fig. 3 is the circuit theory diagrams of automobile intelligent accumulator in an embodiment, and Fig. 4 a～4g is Fig. 3 each several part
Partial enlarged drawing, including set of cells 110, capacitor 120, super-charge super-discharge protection circuit 10, controlled switch
20, control unit 30, over-current detection unit 40, sensing unit 50, reset unit 60, state instruction electricity
Road 70, manostat 80 and capacitance switch 122.In the embodiment shown in fig. 3, control unit 30 is single
Sheet machine U8.Single-chip microcomputer U8 coordinates super-charge super-discharge protection circuit 10 that set of cells 110 is carried out super-charge super-discharge protection.
Seeing Fig. 4 e, capacitance switch 122 is connected with capacitor 120, and capacitance switch 122 includes N-channel
The grid of MOSFET Q2, MOSFET Q2 is connected with the pin 9 of the single-chip microcomputer U8 in control unit 30,
The source electrode of metal-oxide-semiconductor Q2 connects negative electrode, drain electrode connects the electric capacity C1 negative pole in capacitor array 120.Control single
Unit 30 carries out intermittent scanning to the voltage of set of cells 110, holds within a certain period of time when recording battery voltage
Continuous when slowly declining, it is judged that vehicle is parked state, control capacitance switch 122 and disconnect capacitor 120 and align
The power supply of electrode.Wherein in an embodiment, be in the second duration (or scanning reach certain number of times
Time) be consecutively detected the voltage of set of cells 110 voltage and decline and time every time fall is less than three threshold values,
Control capacitance switch 122 and disconnect the capacitor 120 power supply to anelectrode.Wherein the second duration and the 3rd threshold value
It is empirical value.
When vehicle is parked state, capacitor 120 is disconnected, it is possible to reduce capacitor 120 is because of from electric leakage
Have influence on set of cells 110 deposits the electricity time.And after disconnecting, it is not involved in work because of capacitor 120, also can simultaneously
Enough extend the service life of capacitor.
In the embodiment shown in fig. 3, single-chip microcomputer U8, while set of cells 110 enters sleep state, also wants
Control capacitance switch 122 to disconnect, to save electric energy further.
Seeing Fig. 4 f, manostat 80 includes voltage stabilizing chip U7, and the output pin OUT of voltage stabilizing chip U7 is (i.e.
The outfan of manostat 80) stable 5V DC voltage is provided, it is provided that to some the unit's devices in auxiliary circuit
Part, provides working power including the supply pin VDD for single-chip microcomputer U8.The input pin of voltage stabilizing chip U7
IN (i.e. the input of manostat 80) is connected with the first sustained diode 1, the first sustained diode 1
Connect together the diode as D1 outfan including two negative electrodes, and the anode of one of them diode connects
Anelectrode VCC-OUT, connects the positive pole of set of cells after the anode series connection reset switch S2 of another diode
B+.When reset switch S2 is artificially closed, the output pin OUT of voltage stabilizing chip U7 is to the electricity of single-chip microcomputer U8
Source foot VDD powers, so that set of cells 110 is waken up by sleep power down mode.
Wherein in an embodiment, it is off-state when reset switch S2 is for closing after being pressed, not stressing
Switch, such as button, touch-switch, have the contact switch etc. of spring reset structure.Therefore it is multiple by pressing
Bit switch S2 carry out reset operation time be by short by.
Wherein in an embodiment, control unit 30 is additionally operable to be in closure state at reset switch S2 and surpasses
Cross the first duration (i.e. pressing the first duration not let go) to control controlled switch 20 afterwards and disconnect set of cells 110 and align
The power supply of electrode, makes set of cells enter sleep power down mode.When thinking again to start vehicle, it is only necessary to pressing one
Lower reset switch S2 can allow set of cells 110 recover normally and work.Length makes set of cells 110 by reset switch S2
Enter dormant function and be applicable to the situation that vehicle needs to park for a long time, it is to avoid cause because of excessive power shortage
Battery damage.First duration is an empirical value, it is therefore an objective to need to allow battery by " long press " and driver
The wake operation of the normal work of group 110 recovery (short press) are distinguished mutually, wherein in an embodiment first time
A length of 10 seconds.In other embodiments, it is also possible to reset switch S2 and control set of cells 110 are entered and sleep
Dormancy state of switch is independently arranged.
In the present embodiment, the reset detection foot 3 of control unit 30 is connected to reset switch S2 and afterflow two pole
Between pipe D1 (Switch port).There is provided to reset detection foot 3 when reset switch S2 is closed by external force and close
Signal, control unit 30 judges the Guan Bi duration of reset switch S2 by this closure signal, multiple when detecting
When the Guan Bi duration of bit switch S2 is more than the first duration, control unit 30 controls controlled switch 20 and disconnects, and makes
Obtain set of cells 110 and enter sleep power down mode.In the present embodiment, reset unit 60 also includes being connected in series in
Sustained diode 1 connects resistance R18, the R19 between diode anode and the negative electrode of reset switch S2,
Closure signal is the high level signal obtained after divider resistance R19 dividing potential drop.
Automobile intelligent accumulator also includes sensing unit 50.See Fig. 4 g, in this embodiment, sensing unit
50 include that acceleration sensing switch S1, acceleration sensing switch S1 are closure state time flat, are detecting certainly
The acceleration of body disconnects more than during five threshold values, and control unit 30 (is the 2 of single-chip microcomputer U8 in the present embodiment
Foot) receive cut-off signals (i.e. signal is that high level becomes 0), control unit 30 control controlled switch 20
Disconnect the set of cells 110 power supply to anelectrode.In this embodiment, sensing unit 50 also includes one and electricity
Resistance R16 connects and connects the critesistor t of negative electrode, and 2 heels of single-chip microcomputer U8 are according on critesistor t point
Pressure drop can obtain the temperature of critesistor t, thus the temperature shape of corresponding component/position in learning automobile
State.
When vehicle overturn, weightlessness of falling or battery by strong shock etc. dangerous time, acceleration sensing is opened
Close S1 can be disconnected, close battery output after control unit 30 perception in time, it is to avoid leakage of oil after accident generation
Secondary injury is caused again because wire short-circuiting is on fire.
See Fig. 4 d, controlled switch 20 include magnetic latching relay K1, first fill can electric capacity C2, second fill
Can electric capacity C3 and semibridge system pull-up pull-down circuit.In the present embodiment, semibridge system pull-up pull-down circuit includes phase
(i.e. PMOS Q1 connects the leakage of NMOS tube Q3 for PMOS Q1 connected mutually and NMOS tube Q3
Pole).First fills and can fill and can connect by electric capacity C3 by electric capacity C2 and second, and second fills and can be not connected with described by electric capacity C3
First fills and one end of electric capacity can connect the negative pole of set of cells 110, and first fills and can be not connected with second and fill energy by electric capacity C2
One end of electric capacity C3 connects battery anode B+.One end, contact of magnetic latching relay K1 connect anelectrode,
The other end connects battery anode B+.Coil one end of magnetic latching relay K1 connects C2, C3 junction point,
The other end connects semibridge system pull-up pull-down circuit Shang Qiao and junction point (i.e. PMOS Q1 and the NMOS of lower bridge
The drain electrode of pipe Q3).The upper pull end (source electrode of PMOS Q1) of semibridge system pull-up pull-down circuit is connected to magnetic and protects
Hold between the contact of relay K 1 and anelectrode, lower pull end is connected negative electrode.Control unit 30 passes through half-bridge
The coil current potential of magnetic latching relay K1 is pulled up, with drop-down, relay is carried out opening and closing by formula pull-up pull-down circuit
Control.
In the present embodiment, be use first fill can electric capacity C2, second fill can electric capacity C3 and semibridge system pull-up
The scheme of pull-down circuit carries out open and close controlling to magnetic latching relay K1.In other embodiments, it is also possible to adopt
By the mode of full-bridge, magnetic latching relay K1 is carried out open and close controlling.
In the embodiment shown in fig. 4, controlled switch 20 also includes sustained diode 2, resistance R1, R4,
R20.Electric capacity C2 and C3 series connection is followed by battery anode B+, and connects a sun of sustained diode 2
Pole (2 foot) and the contact of magnetic latching relay K1, the contact other end of magnetic latching relay K1 is just connected to
The negative pole of electrode VCC-OUT, electric capacity C3 connects battery electrode B-.The source electrode of metal-oxide-semiconductor Q3 is by electricity
Resistance R20 connects battery electrode B-, and drain electrode connects drain electrode and the magnetic latching relay K1 line of metal-oxide-semiconductor Q2
One end of circle, the other end of magnetic latching relay K1 coil is received between electric capacity C2 and C3, metal-oxide-semiconductor
The grid of metal-oxide-semiconductor Q1 is connected after gate series resistance R4 of Q3, R1.Between resistance R4 and R1 it is
VM port, delivers to 6 feet of single-chip microcomputer U8 by signal.The source electrode of metal-oxide-semiconductor Q1 connects fly-wheel diode
The negative electrode of D2.
Metal-oxide-semiconductor Q1 and Q3 defines semibridge system previous-next puller circuit, and resistance R20 uses a resistance the least
Resistance (such as 2 ohm), effect be offset metal-oxide-semiconductor Q1 and Q3 switch transition phase be simultaneously in beat
The dash current of the moment opened.In order to reduce circuit energy consumption, extend parking and treat ETAD expected time of arrival and departure, in the present embodiment
Magnetic latching relay K1 selected by relay, has only to a pulse voltage, subsequently by permanent magnetism during driving
The duty of ferrum guard relay.
Electric capacity C2 and C3 originates, when port VM is low electricity as the pulse energy of magnetic latching relay K1
At ordinary times, metal-oxide-semiconductor Q1 conducting, Q3 close, and the magnetic being connected between metal-oxide-semiconductor Q1 and Q3 keeps continuing
One end of electrical equipment K1 coil is essentially pulled up to high potential, and the magnetic being connected between electric capacity C2 and C3 keeps relay
The device K1 coil other end is 0V, thus defines forward drive.Subsequently from sustained diode 2 just
Electric capacity C3 is charged through the coil of magnetic latching relay K1 by voltage through metal-oxide-semiconductor Q1 again, fills
In electric process, the both positive and negative polarity current potential of C3 is risen to VDD by 0V, and electric capacity C2 both positive and negative polarity voltage is 0.Work as end
When mouth VM is in high level, metal-oxide-semiconductor Q3 conducting, Q1 close, and are stored in the energy in electric capacity C3 and lead to
Cross magnetic latching relay K1 drop-down and form loop to battery electrode B-by metal-oxide-semiconductor Q3, add electricity
The both positive and negative polarity holding C2 is charged accumulation of energy by 0V between 0V to VDD, thus drives magnetic latching relay K1
Reverse impulse works.
The effect of sustained diode 2 is after relay K 1 is disconnected, and set of cells 110 is in low-yield shape
State and when cannot resume work voluntarily, need to pass through positive electricity from outside electric energy (such as automobile engine)
Pole VCC-OUT supplements energy, and the most external positive voltage passes through 3 feet of sustained diode 2 to MOS
Pipe Q1 provides energy, simultaneously by single-chip microcomputer U8 to capacitor 120 positive pole VDD (current potential and anelectrode
VCC-OUT is equal) voltage scanning may determine that whether external charger, perceiving external charge source
After Wen Ding, single-chip microcomputer U8 sends instruction by 12 feet to relay K 1, connects magnetic latching relay K1 pair
Set of cells 110 is charged.
Wherein in an embodiment, control unit 30 detects when reset switch S2 closes after the power-up,
Also need to judge that set of cells 110, whether less than the 7th threshold value, is not entered by the voltage of set of cells 110
Horizontal reset wakes up up.
Set of cells 110 has two kinds of wake-up modes upon entering the sleep state, and a kind of mode is by reset by short
Switch S2 wakes up up, and another kind is to set of cells 110 to anelectrode VCC-OUT and negative electrode external power supply
It is charged.It is the most short-circuit that single-chip microcomputer U8 first passes through over-current detection unit 40 decision circuitry after the power-up,
If it is not, then detect whether reset switch S2 closes by reset detection foot 3, if reset switch S2 Guan Bi is (multiple
Position detection foot 3 receives closure signal), then it is judged to that reset wakes up up, if the voltage of set of cells 110 is higher than the
Seven threshold values, then single-chip microcomputer U8 controls controlled switch 20 and capacitance switch 122 closes.If reset switch S2 is not
Guan Bi, then explanation has been external power supply is charged, and now single-chip microcomputer U8 controls capacitance switch 122 and closes,
And when voltage VDD capacitor 120 being detected is higher than eight threshold values, controls controlled switch 20 and close,
Set of cells 110 is charged.
In the embodiment shown in fig. 3, automobile intelligent accumulator also includes condition indication circuit 70, including can
The light emitting diode of display multiple color, for indicating the closed mode of set of cells 110.In the present embodiment,
Being to represent that set of cells 110 normal Standby is closed with green light, red light instruction output short-circuit is closed, amber light instruction electricity
Pond light current is closed.Indicating circuit 70 is to carry out light emitting control by control unit 30.Set of cells 110 is entered
When row wakes up up, if the voltage of set of cells 110 is less than the 7th threshold value, set of cells 110 is not being waken up up
While reminded by amber light.
Refer to Fig. 4 b, battery protection chip U3 and monitored the electricity of battery by VDD foot 3 and VSS foot 5
Pressure, then by CO pin and DO pin one nor gate U1 of connection, controlled switch 20 is controlled.
What CO pin and DO pin respectively exported is the pulldown signal of single or in parallel many.In this embodiment, often
The battery of individual series connection is equipped with a battery protection chip accordingly；In other embodiments, set of cells 110 also may be used
To include many Battery packs, connecting between group with group, each cell parallel in every Battery pack, is then each
Battery pack is equipped with a battery protection chip.
Automobile intelligent accumulator also includes the battery electricity being connected with super-charge super-discharge protection circuit 10 and set of cells 110
Pressure balanced circuit 12, battery voltage balancing circuit 12 is for battery being detected in super-charge super-discharge protection circuit 10
The voltage of each battery is balanced when cell voltage in group 110 is more than six threshold values.The value of the 6th threshold value and mistake
The chip filling over-discharge protection circuit 10 employing is relevant.
Seeing Fig. 4 b, in this embodiment, battery voltage balancing circuit 12 includes that switching tube is (in the present embodiment
For N-channel MOS FET Q4), the input (drain electrode of metal-oxide-semiconductor) of switching tube connects in set of cells 110
The positive pole of one battery, outfan (source electrode of the metal-oxide-semiconductor) connection of switching tube is connected with the negative pole of this battery
The positive pole of another battery, the control end (grid of metal-oxide-semiconductor) of switching tube and the electricity of battery protection chip U3
Amount equilibrium pin CB connects, and battery protection chip U3 is detecting input and the outfan electromotive force of switching tube
Difference controls switching tube conducting more than during six threshold values by electric quantity balancing pin.
Fig. 5 is the circuit theory diagrams of auxiliary circuit in another embodiment, and it is relative to embodiment illustrated in fig. 3
Mainly it is improved by the part of controlled switch 20, the most a part of logical judgment and super-charge super-discharge is protected electricity
The function on road 10 has been integrated in single-chip microcomputer.Please also refer to Fig. 6, emphatically controlled switch is introduced.
In this embodiment, controlled switch also includes that the 3rd fills energy electric capacity C1.3rd fill can electric capacity C1 with connect
First fill can electric capacity C17, second fill can electric capacity C39 in parallel.Arranging the 3rd and filling electric capacity C1 can be circuit
Again the energy that magnetic latching relay K1 offer is enough is driven after short circuit.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the most right
The all possible combination of each technical characteristic in above-described embodiment is all described, but, if these skills
There is not contradiction in the combination of art feature, is all considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But can not therefore be construed as limiting the scope of the patent.It should be pointed out that, for this area
For those of ordinary skill, without departing from the inventive concept of the premise, it is also possible to make some deformation and change
Entering, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended power
Profit requires to be as the criterion.
Claims (10)
1. an automobile intelligent accumulator, including the set of cells in battery cell case, shell and and battery
Automobile is entered by anelectrode and negative electrode, described anelectrode and negative electrode that group connects for the circuit connecting automobile
Row is powered or accepts charging, it is characterised in that also include reset switch and the auxiliary electricity being located in described shell
Road, described auxiliary circuit includes control unit and controlled switch, described control unit and described anelectrode, negative
Electrode connects, and described control unit is for being monitored, when set of cells being detected the voltage of described set of cells
Voltage less than Second Threshold time control described controlled switch disconnect set of cells to described anelectrode and control unit
Power supply, make set of cells enter sleep power down mode；Described reset switch one end is just connecting described set of cells
Pole, and described reset switch closes when by external force, for when described set of cells is in sleep power down mode
Make set of cells recover the power supply to described control unit by the Guan Bi of self, then controlled institute by control unit
State controlled switch and recover the set of cells power supply to anelectrode, so that described set of cells is by power down mode of sleeping
It is waken up.
Automobile intelligent accumulator the most according to claim 1, it is characterised in that described auxiliary circuit is also
Including manostat, the outfan of described manostat is connected with the supply pin of described control unit, for described control
Unit provides working power, the input of described manostat and the first fly-wheel diode to connect, and described first continues
Stream diode includes that two negative electrodes connect together the diode of the outfan as the first fly-wheel diode, and its
In the anode of a diode connect described anelectrode, the anode of another diode is connected described reset switch
The positive pole of the described set of cells of rear connection；Described reset switch when being closed by external force, the positive pole of described set of cells
It is that the outfan by described manostat provides running voltage to the supply pin of control unit, so that described
Set of cells is waken up by power down mode of sleeping.
Automobile intelligent accumulator the most according to claim 2, it is characterised in that described reset switch is
Closing, when not stressing be the switch of off-state after being pressed, described control unit is additionally operable at reset switch
It is in closure state more than controlling the disconnection described set of cells confession to anelectrode of described controlled switch after the first duration
Electricity, makes set of cells enter sleep power down mode.
Automobile intelligent accumulator the most according to claim 3, it is characterised in that described control unit
Reset detection foot is connected between described reset switch and fly-wheel diode, when described reset switch is closed by external force
There is provided closure signal to described reset detection foot, by described closure signal, described control unit judges that reset is opened
The Guan Bi duration closed, when Guan Bi duration reset switch being detected exceedes described first duration, described control
Unit controls described controlled switch and disconnects so that described set of cells enters sleep power down mode.
Automobile intelligent accumulator the most according to claim 2, it is characterised in that described auxiliary circuit is also
Including the over-current detection unit being connected with described control unit, it is more than for the electric current exported in described set of cells
Described controlled switch is made to disconnect the set of cells power supply to anelectrode during four threshold values；Described control unit is powering on
After also need to judge that the electric current whether over-current detection unit detects that set of cells export is more than the 4th threshold value, if
Then it is judged to short circuit and set of cells is not carried out reset and wake up up.
Automobile intelligent accumulator the most according to claim 1, it is characterised in that described auxiliary circuit is also
Switching including acceleration sensing, described acceleration sensing switch is detecting that the acceleration of self is more than the 5th threshold
Send cut-off signals to described control unit during value, described control unit control described controlled switch and disconnect institute
State the set of cells power supply to anelectrode.
Automobile intelligent accumulator the most according to claim 1, it is characterised in that also include extending wire
With the reset switch interface being located on described shell, described reset switch is located in the driver's cabin of automobile, is passed through
Described extending wire and reset switch interface access described auxiliary circuit.
Automobile intelligent accumulator the most according to claim 5, it is characterised in that described controlled switch bag
Include magnetic latching relay, first fill can electric capacity, second fill can electric capacity and semibridge system pull-up pull-down circuit, described
First fill can electric capacity and second fill can capacitances in series, described second fill can electric capacity be not connected with described first fill can electricity
The one end held connects battery electrode, and described first fills and can be not connected with described second one end filling energy electric capacity by electric capacity
Connect the positive pole of described set of cells；One end, contact of described magnetic latching relay connect described anelectrode, another
End connects described battery anode, and coil one end of described magnetic latching relay connects first, second and fills energy electricity
The junction point, the other end that hold connect described semibridge system pull-up pull-down circuit Shang Qiao and the junction point of lower bridge；Described
The pull-up of semibridge system pull-up pull-down circuit is terminated between described contact and anelectrode, lower pull end is connected described negative
Electrode, described control unit pulls up pull-down circuit by the coil of described magnetic latching relay by described semibridge system
Current potential pull-up carries out open and close controlling with drop-down to relay.
Automobile intelligent accumulator the most according to claim 8, it is characterised in that described controlled switch is also
Including the second fly-wheel diode, the outfan of described second fly-wheel diode connects described upper pull end, and described the
Two fly-wheel diodes include that two negative electrodes connect together the diode of the outfan as the second fly-wheel diode,
And the anode of one of them diode connects described anelectrode, the anode of another diode connects described battery
The positive pole of group；Whether described control unit is closed by described reset detection foot detection reset switch after the power-up
Closing, if it is not, be then judged to external charge, described control unit controls the contact of described magnetic latching relay and closes
Close thus set of cells is charged.
Automobile intelligent accumulator the most according to claim 9, it is characterised in that described controlled switch
Also including that the 3rd fills energy electric capacity, the described 3rd fills and can fill energy electric capacity parallel connection with first, second connected by electric capacity.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610119374.4A CN105905055B (en) | 2016-03-02 | 2016-03-02 | Automobile intelligent accumulator |
| PCT/CN2017/075319 WO2017148385A1 (en) | 2016-03-02 | 2017-03-01 | Smart automobile battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610119374.4A CN105905055B (en) | 2016-03-02 | 2016-03-02 | Automobile intelligent accumulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105905055A true CN105905055A (en) | 2016-08-31 |
| CN105905055B CN105905055B (en) | 2018-11-09 |
Family
ID=56745138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610119374.4A Expired - Fee Related CN105905055B (en) | 2016-03-02 | 2016-03-02 | Automobile intelligent accumulator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105905055B (en) |
| WO (1) | WO2017148385A1 (en) |
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| WO2017148385A1 (en) * | 2016-03-02 | 2017-09-08 | 深圳市银盾科技开发有限公司 | Smart automobile battery |
| CN110718897A (en) * | 2018-07-12 | 2020-01-21 | 士林电机厂股份有限公司 | Voltage control device with automatic detection function |
| CN111332229A (en) * | 2020-03-11 | 2020-06-26 | 上海度普新能源科技有限公司 | Vehicle control method and device, storage medium and electronic equipment |
| CN112061056A (en) * | 2020-09-02 | 2020-12-11 | 湖北衡拓新能源科技有限公司 | Processing circuit and method for reducing quiescent current of whole vehicle |
| CN112234856A (en) * | 2020-09-30 | 2021-01-15 | 重庆辉腾能源股份有限公司 | Portable power supply capable of intelligently switching alternating current and direct current and control method thereof |
| CN113246755A (en) * | 2020-02-11 | 2021-08-13 | 武汉路特斯汽车有限公司 | Alternating-current charging control system for low-voltage battery of electric automobile |
| CN115315177A (en) * | 2019-10-11 | 2022-11-08 | 艾瑞斯公司 | Power supply and control system for lawn mower |
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| CN112698981B (en) * | 2021-01-08 | 2023-05-23 | 重庆长安新能源汽车科技有限公司 | Protection circuit and method for preventing single chip microcomputer reset signal from losing efficacy |
| CN113183898B (en) * | 2021-05-06 | 2023-05-12 | 重庆长安汽车股份有限公司 | Device and method for preventing power shortage caused by excessive dark current and vehicle |
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Also Published As
| Publication number | Publication date |
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| CN105905055B (en) | 2018-11-09 |
| WO2017148385A1 (en) | 2017-09-08 |
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