CN203039378U - Equalization circuit and equalization device for series battery pack - Google Patents
Equalization circuit and equalization device for series battery pack Download PDFInfo
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- CN203039378U CN203039378U CN 201220542641 CN201220542641U CN203039378U CN 203039378 U CN203039378 U CN 203039378U CN 201220542641 CN201220542641 CN 201220542641 CN 201220542641 U CN201220542641 U CN 201220542641U CN 203039378 U CN203039378 U CN 203039378U
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Abstract
Disclosed are an equalization circuit and an equalization device for a series battery pack. The equalization circuit and the equalization device are characterized by comprising two electric change-over switches, a motor control circuit and a boosting circuit, wherein each electric change-over switches is formed by moving or rotating moving contacts driven by a motor on metal sheets which are electrically connected with the node of each battery and are insulated from each other, the moving contact of one electric change-over switch is electrically connected to the input end of the voltage boosting circuit, the moving contact of the other electric change-over switch is electrically connected to the output end of the voltage boosting circuit, the two moving contacts on the electric change-over switches can move or rotate and are selectively and electrically connected with two ends of any battery in the series battery pack, the two moving contacts on each electric change-over switch are electrically connected with a voltage comparison circuit and are provided with a counter, and the output of the voltage comparison circuits and the output of the counters finally control the motors on the electric change-over switches to rotate and stop through gate circuits.
Description
Technical field
The present invention relates to a kind of equalizing circuit for series battery and device, can prevent that the battery chip in the series battery from overcharging or overdischarge, prevent battery chip or load short circuits, especially allow and carry out balanced circuit and device between the battery pack chip mutually, and prevent that series battery voltage is excessive, human body is produced unsafe factor.
Background technology
The macrocell group is used gradually, and especially along with oil shortage, the appearance of solar cell and electric automobile needs jumbo battery pack, but because cell monolithic voltage has only 2.0-3.7V, must series connection use, and just can reach load voltage.Simultaneously, the battery that has such as lithium battery can not overcharge or overdischarge, otherwise, will damage battery chip, and, in the series connection use capacity of each battery chip must keep one to, guarantee the chip of battery pack when charge or discharge, its voltage is the same substantially, could normally discharge and recharge.But the battery chip in the battery pack because various factors all can allow the capacity of each chip different, must carry out equilibrium in production process or use, could allow life-span of battery pack reach the life-span of single chip.Method in the past all is to carry out equilibrium with metal-oxide-semiconductor and conductive discharge, because resistance heating, its discharge stream can not be too big, and portfolio effect is limited, use the coil energy conversion regime, the circuit complexity, portfolio effect neither be very desirable, allow battery pack the number of times that discharges and recharges all can only be between 200-600 time, the number of times that discharges and recharges of a merchandiser lithium battery chip is compared for 2000 times, come in nowhere mutually, allowed the cost performance of lithium battery group no more than lead-acid battery, the use of lithium battery group is greatly affected.If series-connected cell is too much, voltage is excessive, certain the time, bump as electric automobile, or the water inlet all can produce unsafe factor to human body.
Summary of the invention
The purpose of this invention is to provide a kind of equalizing circuit for series battery and device, can prevent that the battery chip in the series battery from overcharging or overdischarge, prevent battery chip or load short circuits, especially allow and carry out balanced circuit and device between the battery pack chip mutually, and prevent that series battery voltage is excessive, human body is produced unsafe factor.
The present invention a kind of equalizing circuit and device for series battery is characterized in that also comprising: be made of at sheet metal that be electrically connected with each batteries node and insulation each other electronic change over switch, circuit for controlling motor, booster circuit mobile or that rotation constitutes two motor-operated movable contact springs of usefulness;
The movable contact spring of an electronic change over switch is electrically connected to the input of voltage booster, the movable contact spring of another electronic change over switch is electrically connected to the output of voltage booster, two movable contact springs on the change over switch can move or rotate, and selectively are electrically connected with the two ends of arbitrary batteries of series battery;
All be electrically connected with voltage comparator circuit on two movable contact springs on the electronic change over switch, voltage comparator circuit has a plurality of outputs, be provided with counter simultaneously, the output of voltage comparator circuit and the output of counter are controlled the rotation of the motor on the electronic change over switch at last by gate circuit and are stopped;
Motor drives two movable contact springs after by gear graduation and rotates at disk, the edge of disk is provided with some sheet metals of insulation each other, sheet metal is electrically connected with each batteries tie point in the series battery successively, two movable contact springs are electrically connected with two quoits of sheet metal and disk centre successively, and two quoits are electrically connected with the end that inputs or outputs of booster circuit;
Motor can drive two movable contact springs and do reciprocating linear motion back and forth, the sheet metal that is electrically connected with the tie point of each batteries of series-connected cell is arranged in a row with insulating each other, select respectively to be electrically connected with two movable contact springs, two movable contact springs are electrically connected with output or the input of voltage booster again;
The voltage stabilizing didoe of a plurality of different numerical value or resistance be connected electrically on two movable contact springs of electronic change over switch after a resistance is connected, voltage stabilizing didoe or resistance are connected with a not circuit input with each contact of resistance series connection again, not circuit output and counting circuit output are switched on or switched off by the output control motor circuit of OR-NOT circuit or NAND gate circuit, constitute circuit for controlling motor;
The relay of four pairs of normally-open normally-close contacts, its four moving contacts are electrically connected with the two poles of the earth of two electric capacity respectively, connecing one group of normally-open normally-close contact of capacitance cathode is electrically connected with the movable contact spring that connects anode on two change over switches, connecing one group of normally-open normally-close contact of electric capacity negative pole is electrically connected with the movable contact spring that connects battery cathode on two change over switches, other two groups of normally-open normally-close contacts often open or normally closed interlock between be electrically connected, connect a contact in the contact of capacitance cathode and connect anodal movable contact spring with the change over switch of responsible input current and be electrically connected, a contact that connects in the contact of electric capacity negative pole is electrically connected with the movable contact spring that the change over switch of responsible input current connects negative pole;
Relay carries out closure and disconnects by the low-frequency oscillatory network that is made of gate circuit and electric capacity, resistance, triode;
Can establish the single battery charging circuit, single battery charging circuit output is connected electrically on two movable contact springs of electronic change over switch;
Save the macrocell group that above battery is composed in series by 20, can be divided equally into several series connection groups, each series connection group can all establish two electronic change over switches and a booster circuit, can convert serial or parallel connection to by a coaxial combination switch between the battery series connection group and connect.
A kind of equalizing circuit and device for series battery that said structure is formed, by the sheet metal mobile electronic change over switch that constitute of two motor-operated movable contact springs of usefulness in the insulation each other that is electrically connected with battery node, circuit for controlling motor, booster circuit constitutes, the movable contact spring of an electronic change over switch is electrically connected to the input of voltage booster, the movable contact spring of another electronic change over switch is electrically connected to the output of voltage booster, be electrically connected with voltage comparator circuit on the movable contact spring of each change over switch, the voltage stabilizing didoe of a plurality of different numerical value or resistance be connected electrically on two movable contact springs of change over switch after a resistance is connected, voltage stabilizing didoe or resistance are connected with a not circuit input with each contact of resistance series connection again, the output of not circuit is exported by OR-NOT circuit or NAND gate circuit logic with the counting circuit output again, the control motor circuit is switched on or switched off, and just controls motor and rotates or stop.When motor stops or rotating, the two metal sheets of the insulation each other that its two movable contact spring all is electrically connected with battery node is electrically connected, each batteries in the battery pack can be electrically connected with the input of booster circuit, the voltage of each batteries also compares, when a certain batteries voltage is higher than a certain numerical value, motor stops operating, and two movable contact springs just are parked on the two metal sheets of this batteries, and this batteries is with regard to selected discharge; The motor of another electronic change over switch stops or rotating, the two metal sheets in addition of the insulation each other that its two movable contact spring also all is electrically connected with battery node is electrically connected, the battery that is electrically connected with two movable contact springs just is electrically connected with the output of voltage booster so, its voltage also compares, when the voltage of a certain batteries is lower than a certain numerical value, motor stops operating, two movable contact springs just are parked on the two metal sheets of this batteries, this battery just is recharged, just realized in series battery, to another batteries charging, realized that the electric weight of battery shifts by a batteries, also just realized equilibrium.Motor rotates, and drives two movable contact springs and moves, and selects two movable contact springs to be parked on the different two metal sheets, just can select different battery discharges or charging, and each batteries can be discharge, also can be charging, just finish the equilibrium in the whole battery group.Two movable contact springs of each electronic change over switch will be parked on the sheet metal of which batteries, just control motor by voltage comparator circuit and stop or rotating realization.In the motor rotation process, the movable contact spring rotation or the straight line that drive change over switch move, movable contact spring contacts with the two metal sheets of insulation each other that battery node is electrically connected, the voltage of each batteries compares by movable contact spring and voltage comparator circuit, just the voltage stabilizing didoe of a plurality of different numerical value or resistance with all be electrically connected with the battery of each joint by movable contact spring after a resistance is connected, the voltage stabilizing didoe of different numerical value is 2.7V, 3.0V, 3.3V, 3.6V, 3.9V, when the voltage of a certain batteries is lower than 3.9V, but when being higher than 3.6V, so with 2.7V, 3.0V, 3.3V, 3.6V the input of the not circuit that connects all is high level, its output is low level all just, and the not circuit that is connected with the 3.9V voltage stabilizing didoe, its input is low level, its output is exactly high level, and the not circuit output is made comparisons by OR-NOT circuit and counter output again.When the not circuit output is 1, perhaps the output of counter also is 1, and NOR gate output is exactly 0, just can not disconnect the loop of motor by triode or relay, and motor just is rotated further, and the movable contact spring as the change over switch of input current does not just stop so.Having only for voltage ratio not circuit output is low level, the output of counter also is 0, NOR gate output is only 1, just disconnect the loop of motor again by triode or relay, motor can not rotate, just resting on that economize on electricity as the movable contact spring of the change over switch of input current is pressed on the sheet metal of the battery more than the selected voltage, just begin discharge, be lower than selected magnitude of voltage up to voltage, not circuit output changes 1 into, and NOR gate is output as 0, and motor begins again to rotate, drive movable contact spring and rotate or move, compare with the voltage of next batteries again.The first lap magnitude of voltage is made as 3.9V, counter 1 tunnel is output as 0, other road is output as 1, when the voltage of battery is higher than 3.9V, its not circuit is output as 0, counter 1 tunnel is output as 0, OR-NOT circuit is output as 1, motor stops operating, movable contact spring just is parked on the sheet metal of that batteries that is higher than 3.9V, allow that batteries that is higher than 3.9V discharge always, be lower than 3.9V up to voltage, not circuit output becomes 1, and NOR gate is output as 0, and motor begins again to rotate, compare with the voltage of next batteries again, if there is cell voltage to be higher than 3.9V again, just be parked on the sheet metal of that batteries that is higher than 3.9V, allow voltage be higher than this batteries discharge of 3.9V, be lower than 3.9V up to voltage, motor begins again to rotate, again with next batteries voltage ratio, up to all batteries are all relatively finished, there is not voltage to be higher than 3.9V's, just begin second circle relatively, counter begins counting, and counter 2 tunnel is output as 0, other road is output as 1, per two circle magnitudes of voltage are made as 3.6V, and the battery that is higher than 3.6V so begins discharge, and the battery that is lower than 3.6V does not just discharge, relatively finish up to second circle, begin the 3rd circle relatively, the 3rd circle beginning, counter begins counting again, counter 3 tunnel is output as 0, other road is output as 1, and magnitude of voltage is made as 3.3V, and the battery that is higher than 3.3V is all discharged.The 4th circle is made as 3.0V, and the 4 tunnel of counter is output as 0, and other road is output as 1, and battery one discharges like this successively from high to low.Change over switch as input current, the first lap magnitude of voltage is made as 2.7V, the second circle magnitude of voltage is made as 3.0V, the 3rd circle magnitude of voltage is made as 3.3V, the 4th circle magnitude of voltage is made as 3.6V, when a batteries voltage has the 2.7V of being lower than but does not arrive cut-ff voltage 2.5V, movable contact spring on second change over switch begins to rotate or is mobile, be electrically connected with each batteries one by one, and carry out voltage ratio, when movable contact spring forwards voltage to and all is higher than battery more than the 2.7V, its input of not circuit that it is connected with the 2.7V voltage stabilizing didoe is for high, output is 0, counter 1 tunnel is output as 1, other road is output as 0, NAND gate circuit is output as 1, can not disconnect electric motor loop, motor rotates, the battery that is higher than 2.7V does not charge, have only when movable contact spring forwards voltage to and is lower than battery below the 2.7V, its input of not circuit that it is connected with the 2.7V voltage stabilizing didoe is low, output is 1, counter 1 tunnel is output as 1, NAND gate circuit output just is 0, just disconnect electric motor loop, motor stops operating, and movable contact spring just is parked on the sheet metal that voltage all is lower than the following battery of 2.7V, charge, be charged to after voltage is higher than 2.7V up to battery, the not circuit input that is connected with the 2.7V voltage stabilizing didoe is for high, and output is 0, counter 1 tunnel is output as 1, NAND gate circuit is output as 1, the electric motor loop closure, and motor begins again to rotate, begin next batteries voltage ratio, be not lower than 2.7V up to the back voltage that turns around, rolling counters forward, and begin second circle and rotate, the second circle magnitude of voltage is 3.0V, counter 2 tunnel is output as 1, and other road is 0, and the battery that is lower than 3.0V when voltage is all selected and charge, the 3rd circle is 3.3V, counter 3 tunnel is output as 1, and other road is 0, and the battery that is lower than 3.3V all is recharged, the 4th circle is again from 2.7V, counter also starts anew to count, and just ceaselessly circulates, always charging.Like this, the high battery of voltage discharges from height, from the minimum battery of voltage, charges again, and electric weight constantly shifts to low battery from high battery, has just finished equilibrium.That is to say, the battery that first lap is higher than 3.9V is all discharged, the battery that is lower than 2.7V is selected the charging all, second circle, and the battery that is higher than 3.6V is selected the discharge all, the battery that is lower than 3.0V is selected the charging all, the 3rd circle, the battery that is higher than 3.3V is selected the discharge all, and the battery that is lower than 3.3V is selected the charging all, up to battery discharge being arranged to there being voltage to be lower than 2.5V, and the discharge of entire cell group termination.The magnitude of voltage here all is arbitrarily to set, different batteries, perhaps same battery, setting voltage value in addition.
Except the charger that uses and voltage of serially-connected cells matches charges, can also establish the single battery charging circuit in addition, the output of single battery charging circuit is connected electrically on two movable contact springs of change over switch.During charging, after a certain batteries voltage reaches cut-ff voltage, whole serial connection charge all stops, but the motor of electronic change over switch begins to rotate, the movable contact spring of change over switch is electrically connected one by one with the sheet metal of each batteries, when a batteries voltage is lower than cut-ff voltage, motor stops operating, and just continues charging by the single battery charger to the battery that does not reach cut-ff voltage, reaches cut-ff voltage up to its voltage, motor rotates again, compare with next batteries voltage, the battery that is not full of electricity replenishes full electricity successively with regard to one, till all being full of electricity again, like this, just guaranteed that each batteries can both all be full of.
One batteries must adopt booster circuit to the charging of another batteries, just can charge into another batteries after allowing cell voltage boost.DC voltage booster circuit has a variety of, here the capacitance boost mode of Cai Yonging, the relay of four pairs of normally-open normally-close contacts, wherein four moving contacts are electrically connected with the two poles of the earth of two electric capacity respectively, connecing one group of normally-open normally-close contact of capacitance cathode is electrically connected with the movable contact spring that connects anode on two change over switches, connecing one group of normally-open normally-close contact of electric capacity negative pole is electrically connected with the movable contact spring that connects battery cathode on two change over switches, often opening or the normally closed interlock electrical connection of other two groups of normally-open normally-close contacts, a contact that connects in the contact of capacitance cathode is electrically connected with the anodal movable contact spring of the change over switch of input current, and a contact that connects in the contact of electric capacity negative pole is electrically connected with the negative pole movable contact spring of the change over switch of input current.Relay carries out closure and disconnects by the low-frequency oscillatory network that is made of gate circuit and electric capacity, resistance, triode, the electric capacity that allows contact with it be connected carries out the series, parallel conversion, when electric capacity is in parallel, charge, after electric capacity changes into series connection, voltage just rises, the electric weight of electric capacity just is charged in the battery of another joint, just can forward the electric weight of a batteries in another batteries to.
The present invention also can adopt other DC voltage booster circuit, as long as the movable contact spring of electronic change over switch and a batteries are connected, by booster circuit, the output of booster circuit is connected with another batteries by electronic change over switch, just can charge to another batteries.
Each batteries also is parallel with the protection chip, and the protection chip was provided with lets slip charging voltage, prevents that battery chip from overcharging or overdischarge; prevent battery chip or load short circuits, also be provided with two metal-oxide-semiconductors on major loop, these two metal-oxide-semiconductors are responsible for the break-make of main circuit; put or during short circuit as overcharging or crossing; metal-oxide-semiconductor just turn-offs, thereby cuts off circuit, allows circuit quit work; thereby protected battery; this is disclosed technology, does not just discuss one by one, does not also mark in circuit diagram.
Save the macrocell group that above battery is composed in series by 20, can be divided equally into several series connection groups, each series connection group can all establish two electronic change over switches and a booster circuit, connect or be connected in parallel by a coaxial combination switch transition one-tenth between the battery series connection group, series-fed, charged in parallel, perhaps parallel operation, serial connection charge, like this, just can carry out electric weight simultaneously with many groups of electronic change over switches and shift, to carry out equilibrium fast, several series connection groups carry out equilibrium after can becoming parallel connection by the coaxial combination switch transition each other.Also can the coaxial combination switch transition be passed through in series connection become in parallel at stake, reduce the total voltage of the series connection of battery, reduced cell voltage to the possibility that human body takes place to get an electric shock, also can reduce the charging voltage of charger.The artificial coaxial combination switch that rotates just can allow serial or parallel connection change mutually.Perhaps be made as manually or foot-propelled for being connected in series, being responsible for big voltage powers to the load, unclamping hand or pin is connected in parallel with regard to transferring to automatically, as long as hand or pin unclamp, the battery pack of establishing ties and propagating the significance just transfers being connected in parallel between the little series battery automatically to, reduce the total voltage of battery pack, prevent from getting an electric shock, the also charger of available low voltage charging.A coaxial combination switch is used for electric automobile, just is equivalent to the clutch of automobile, foot-operated on, battery pack just transfers to and being connected in series, pin leaves, battery pack just transfers to automatically and being connected in parallel, and to reduce voltage, prevents from getting an electric shock.Also can be several groups to the battery components of establishing ties and propagating the significance, the in parallel use, serial connection charge is in order to can directly adopt the above voltage of 220V to charge or High Voltage Power Supply more.
Description of drawings
Fig. 1 is circuit diagram of the present invention.
Fig. 2 is the structural representation of the change over switch of translator, gear box.
Fig. 3 is that sheet metal is lined up discoid vertical view.
Fig. 4 is the schematic diagram that the above battery of 20 joints is connected with the coaxial combination switch.
Embodiment
As can be known from Fig. 1, the present invention a kind of equalizing circuit and device for series battery are made of at sheet metal 6 mobile electronic change over switch 3, circuit for controlling motor 2, the booster circuits 1 that constitute that be electrically connected with each batteries node and insulation each other two movable contact springs 7 that drive with motor 13.The positive and negative terminal of each batteries 4 in the series battery all passes through conductor wire 5 and is electrically connected with sheet metal 6, sheet metal 6 insulate side by side in line each other, the movable contact spring 7 of change over switch can be slided by motor 13 drives on sheet metal 6 and electrically contact, two movable contact springs 7 are connected to voltage stabilizing didoe 8 or the resistance of a plurality of different numerical value, diode 8 or resistance are connected with a resistance 9 again, and connect the input of a not circuit 10, the output of the output of not circuit 10 and counter 11 is directly connected to the input of a NOR gate 16 again, the output of NOR gate 16 has just been controlled the closed or disconnection in the loop of motor 13 by the base stage of a triode of diode connection.The two poles of the earth of capacitor 14 are electrically connected respectively with four moving contacts with the relay 15 of four pairs of normally-open normally-close contacts, connecing one group of normally-open normally-close contact of capacitance cathode is electrically connected with the movable contact spring that connects anode 7 on two change over switches, connecing one group of normally-open normally-close contact of electric capacity negative pole is electrically connected with the movable contact spring that connects battery cathode 7 on two change over switches, in addition two groups of normally-open normally-close contacts often open or normally closed interlock between be electrically connected, the contact that connects capacitance cathode connects anodal movable contact spring with the change over switch of responsible input current and is electrically connected, and the contact that connects the electric capacity negative pole is electrically connected with the movable contact spring that the change over switch of responsible input current connects negative pole.
The low-frequency oscillatory network that relay 15 constitutes by gate circuit and electric capacity, resistance, triode carries out closure and disconnection, two electric capacity, 14 charged in parallels, series-fed again, just the voltage of the battery that is electrically connected with the change over switch movable contact spring 7 of responsible input current has been raise, pass through the movable contact spring 7 of the change over switch of responsible output current again, battery 4 discharges that Xiang Yuqi is electrically connected, the electricity of a batteries has just shifted to another batteries, has just carried out equilibrium.Two movable contact springs 7 being responsible for the change over switch of output current also are connected to voltage stabilizing didoe 8 or the resistance of a plurality of different numerical value, diode 8 or resistance are connected with a resistance 9 again, and connect the input of a not circuit 10, the output of the output of not circuit 10 and counter 11 is directly connected to the input of a NAND gate 12 again, the output of NAND gate 12 has been controlled the closed or disconnection in the loop of motor 13 by the base stage of a triode of diode connection.
The booster circuit 1 that electric capacity, relay, low-frequency oscillatory network constitute also can replace with other DC voltage booster circuit, as long as the voltage of the battery of responsible input current is raise, just the battery discharge that can need charge to other arbitrary joint just can carry out equilibrium.
Fig. 2 is shown in Figure 3, motor 13 is by gear 17 speed changes, driving cross bar 19 rotates, cross bar is equipped with movable contact spring 7 19 times, sheet metal 6 is fixed on the disk 18, insulation between the sheet metal 6, and be electrically connected successively by the point of contact of electric wire 5 with each batteries 4, two movable contact springs 7 coil two middle quoits 20 with the garden again and are electrically connected, two quoits 20 are electrically connected with the end that inputs or outputs of booster circuit 1, and a switch 21 also is housed on the disk 18, and movable contact spring 7 revolutions moving one all backs switch 21 closures once, counter 11 is just counted once, and each road output transform of counter once.
As shown in Figure 4,4 is battery, and 5 is conductor wire or electric conductor, and 22 is the coaxial combination switch.After the above battery series connection of 20 joints, can be divided equally into several series connection groups to the battery of establishing ties and propagating the significance, each series connection group can establish two change over switches and a booster circuit, converts serial or parallel connection manually or automatically to by a coaxial combination switch 22 between the battery series connection group and connects.A coaxial combination switch 22 is used for electric automobile, just is equivalent to the clutch of automobile.On foot-operated, just transfer to and being connected in series, pin leaves just to transfer to automatically and is connected in parallel, and reduces voltage, prevents traffic accident or is got an electric shock behind the bubble.Also can be several groups to the battery components of establishing ties and propagating the significance, the in parallel use, serial connection charge is in order to can directly adopt the above voltage of 220V to charge or High Voltage Power Supply more.
Claims (8)
1. equalizing circuit and a device that is used for series battery is characterized in that also comprising: be made of two the electronic change over switch (3) that movable contact springs (7) are mobile at the sheet metal (6) that is electrically connected with each batteries node and insulate each other or rotation constitutes, circuit for controlling motor (2), booster circuits (1) that drive with motor (13);
The movable contact spring of an electronic change over switch (7) is electrically connected to the input of voltage booster (1), the movable contact spring of another electronic change over switch (7) is electrically connected to the output of voltage booster (1), two movable contact springs (7) on the change over switch can move or rotate, and selectively are electrically connected with the two ends of arbitrary batteries (4) of series battery;
All be electrically connected with voltage comparator circuit on two movable contact springs (7) on the electronic change over switch, voltage comparator circuit has a plurality of outputs, be provided with counter (11) simultaneously, the output of the output of voltage comparator circuit and counter (11) is controlled the rotation of the motor (13) on the electronic change over switch at last by gate circuit and is stopped.
2. a kind of equalizing circuit and device for series battery according to claim 1, it is characterized in that: motor (13) rotates at disk (18) by driving two movable contact springs (7) after gear (17) speed change, the edge of disk (18) is provided with some sheet metals (6) of insulation each other, sheet metal (6) is electrically connected with the tie point of each batteries in the series battery successively, two movable contact springs (7) are electrically connected with two quoits (20) of sheet metal (6) and disk centre successively, and two quoits (20) are electrically connected with the end that inputs or outputs of booster circuit (1).
3. a kind of equalizing circuit and device for series battery according to claim 1, it is characterized in that: motor (13) can drive two movable contact springs (7) and do reciprocating linear motion back and forth, the sheet metal (6) that is electrically connected with each batteries tie point of series-connected cell is arranged in a row each other with insulating, select respectively to be electrically connected with two movable contact springs (7), two movable contact springs (7) are electrically connected with output or the input of voltage booster (1) again.
4. a kind of equalizing circuit and device for series battery according to claim 1, it is characterized in that: the voltage stabilizing didoe of a plurality of different numerical value (8) or resistance be connected electrically on two movable contact springs (7) of electronic change over switch after a resistance (9) is connected, voltage stabilizing didoe or resistance (8) are connected with a not circuit (10) input with each contact of a resistance (9) series connection again, not circuit output and counter (11) output is controlled being switched on or switched off of motor (13) loop by the output of OR-NOT circuit (16) or NAND gate circuit (12), constitutes circuit for controlling motor (2).
5. a kind of equalizing circuit and device for series battery according to claim 1, it is characterized in that: the relay of four pairs of normally-open normally-close contacts (15), its four moving contacts are electrically connected with the two poles of the earth of two electric capacity (14) respectively, connecing one group of anodal normally-open normally-close contact of electric capacity (14) is electrically connected with the movable contact spring that connects anode (7) on two change over switches, connecing one group of normally-open normally-close contact of electric capacity negative pole is electrically connected with the movable contact spring that connects battery cathode (7) on two change over switches, other two groups of normally-open normally-close contacts often open or normally closed interlock between be electrically connected, connect a contact in the contact of capacitance cathode and connect anodal movable contact spring with the change over switch of responsible input current and be electrically connected, connect that a contact is electrically connected with the movable contact spring that the change over switch of responsible input current connects negative pole in the contact of electric capacity negative pole.
6. a kind of equalizing circuit and device for series battery according to claim 5 is characterized in that: relay (15) carries out closure and disconnects by the low-frequency oscillatory network that is made of gate circuit and electric capacity, resistance, triode.
7. a kind of equalizing circuit and device for series battery according to claim 1, it is characterized in that: can establish the single battery charging circuit, the output of single battery charging circuit is connected electrically on two movable contact springs of electronic change over switch.
8. a kind of equalizing circuit and device for series battery according to claim 1, it is characterized in that: save the macrocell group that above battery is composed in series by 20, can be divided equally into several series connection groups, each series connection group can all establish two electronic change over switches and a booster circuit, can convert serial or parallel connection to by a coaxial combination switch (22) between the battery series connection group and connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220542641 CN203039378U (en) | 2012-10-06 | 2012-10-06 | Equalization circuit and equalization device for series battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220542641 CN203039378U (en) | 2012-10-06 | 2012-10-06 | Equalization circuit and equalization device for series battery pack |
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| Publication Number | Publication Date |
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| CN203039378U true CN203039378U (en) | 2013-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220542641 Expired - Fee Related CN203039378U (en) | 2012-10-06 | 2012-10-06 | Equalization circuit and equalization device for series battery pack |
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| CN (1) | CN203039378U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103715728A (en) * | 2012-10-06 | 2014-04-09 | 李雄业 | Equalization circuit and device for series-connected battery pack |
| CN103943903A (en) * | 2014-04-04 | 2014-07-23 | 淄博贝林电子有限公司 | Automatic equalization device of electric switch type battery module |
-
2012
- 2012-10-06 CN CN 201220542641 patent/CN203039378U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103715728A (en) * | 2012-10-06 | 2014-04-09 | 李雄业 | Equalization circuit and device for series-connected battery pack |
| CN103943903A (en) * | 2014-04-04 | 2014-07-23 | 淄博贝林电子有限公司 | Automatic equalization device of electric switch type battery module |
| CN103943903B (en) * | 2014-04-04 | 2016-03-30 | 淄博贝林电子有限公司 | Motor switch formula battery module automatic equalization device |
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