CN107017672A - The charging device of batteries monomer charging discharged in series can be carried out - Google Patents
The charging device of batteries monomer charging discharged in series can be carried out Download PDFInfo
- Publication number
- CN107017672A CN107017672A CN201611270700.8A CN201611270700A CN107017672A CN 107017672 A CN107017672 A CN 107017672A CN 201611270700 A CN201611270700 A CN 201611270700A CN 107017672 A CN107017672 A CN 107017672A
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- charging
- spdt
- cell
- throw switch
- pole double
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/36—Arrangements using end-cell switching
Abstract
The invention discloses the charging device that can carry out batteries monomer charging discharged in series, it is related to battery pack charging technique field, the charging device can make the damage of single cell not interfere with other cells chargings.Including microcontroller and battery connection module, the charger equal with cell number, switching respectively is switched and current limliting module;Battery connection module includes the bulk charging bindiny mechanism equal with cell number;On one terminals at the one-to-one selection end for being connected to switching switch of the power output end of each charger;The turning end of each switching switch is one-to-one to be connected on one end of current limliting module, and the other end of each current limliting module is one-to-one to be connected in the bulk charging bindiny mechanism of battery connection module;Battery connection module is connected on the battery pack.
Description
Technical field
The present invention relates to battery pack charging technique field, and in particular to can carry out filling for batteries monomer charging discharged in series
Electric installation.
Background technology
Current charging device is all charged with a charger to battery pack, and in charging process in battery pack
It is connected in series with each other between cell.As long as there is a cell event occur between the cell being serially connected
Barrier may result in whole battery pack and rush bad electric situation.Therefore, design a kind of damage of single cell and do not interfere with it
The charging device of its cell charging seems very necessary.
The content of the invention
The present invention is to carry out batteries monomer there is provided one kind to solve existing charging device above shortcomings to fill
The charging device of electrically coupled in series electric discharge.The charging device can make the damage of single cell not interfere with other cells to fill
Electricity, and be not that each separate cell in battery pack can be sequentially connected in series to become together when battery pack charges
Into series-connected cell, the series-connected cell being sequentially connected in series in battery pack together can be become when being charged for battery pack mutually solely
Vertical cell, the charging process to each cell can also carry out voltage detecting, and each cell can be filled
Electric progress is individually controlled, and also the charging voltage of each cell individually can be controlled.
Above technical problem is solved by following technical proposal:
The charging device of batteries monomer charging discharged in series can be carried out, battery pack is by several separate monomers electricity
Pond, which is sequentially connected in series, to be formed;Including microcontroller and battery connection module, in addition to charging equal with cell number respectively
Device, switching switch and current limliting module;Battery connection module includes the bulk charging bindiny mechanism equal with cell number;Every
Bulk voltage detection chip is respectively equipped with individual charging connection mechanism;One-to-one be connected to of power output end of each charger is cut
Change on a terminals at selection end for switch;One-to-one one end for being connected to current limliting module of turning end of each switching switch
On, the other end of each current limliting module is one-to-one to be connected in the bulk charging bindiny mechanism of battery connection module;Battery connects mould
Block is connected on the battery pack, the control end of the battery connection module, each bulk voltage detection chip, the control of each current limliting module
The control end of end processed and each switching switch is connected with microcontroller respectively;And under the control of the micro-controller, when not be battery
During group charging, each separate cell in battery pack can be sequentially connected in series by battery connection module to be become together
Series-connected cell, when being charged for battery pack, battery connection module can will be sequentially connected in series series electrical together in battery pack
Pond becomes separate cell.
This programme is in charging, and voltage checking chip can carry out voltage detecting to corresponding cell.When some monomer
Battery can reduce charging current when being full of by current limliting module, and current limliting mould can be passed through when some cell is not full of far also
Block increases charging current.So as to make voltage contained by cell identical as far as possible.When each cell is full of and each monomer
The voltage of battery can disconnect charge power supply when identical.Or when each cell and underfill and each cell
Also charge power supply can be disconnected when voltage is identical.So allow after cell series connection, do not had between the cell being connected in series
Electric current flowing, the reliability of battery is high.The charging current or charging voltage of each charger can be differed each other.By cutting
Different chargers can be selected to some cell by changing switch.The cooperation of switching switch and current limliting module can preferably need
The cell of charging provides charging current and charging voltage in real time, consequently facilitating being carried out to the charging progress of each cell
Individually control, also allows for individually controlling the charging voltage of each cell.This programme can make single cell
Damage does not interfere with other cell chargings, and be not that battery pack can be by each separate list in battery pack when charging
Body battery is sequentially connected in series becomes series-connected cell together, will can be sequentially connected in series when being charged for battery pack in battery pack
Series-connected cell together becomes separate cell, and the charging process to each cell can also carry out voltage inspection
Survey, and the charging progress of each cell can individually be controlled, the charging voltage of each cell can also be carried out
Individually control.
Preferably, the cell for setting battery pack has three, and it is respectively a monomer to set these three cells
Battery, No. two cells and No. three cells;The bulk charging bindiny mechanism of battery connection module has three, and set this three
Individual charging connection mechanism is respectively a bulk charging bindiny mechanism, No. two bulk charging bindiny mechanisms and No. three bulk charging connection machines
Structure;Battery connection module also includes group power output interface, a single-pole double-throw switch (SPDT), No. two single-pole double-throw switch (SPDT)s and hilted broadsword and opened
Close;The positive pole of a number cell is connected in the turning end of a single-pole double-throw switch (SPDT), No. one of a single-pole double-throw switch (SPDT)
Contact portion is on the positive terminal of a bulk charging bindiny mechanism, and No. two contact portions of a single-pole double-throw switch (SPDT) are two
On No. two contacts of number single-pole double-throw switch (SPDT), the negative pole that the negative pole of a cell is connected to a bulk charging bindiny mechanism connects
On line end, the negative pole of a cell is also connected in the negative terminals of group power output interface;No. two cells
Positive pole is connected on the positive terminal of No. two bulk charging bindiny mechanisms, and it is defeated that the positive poles of No. two cells is also connected to group power supply
On the positive terminal of outgoing interface, the negative pole of No. two cells is connected to the negative terminals of No. two bulk charging bindiny mechanisms
On, the negative pole of No. two cells is also connected on one end of single knife switch;The negative pole of No. three cells is connected to No. two lists
In the turning end of double-pole double throw switch, the negative pole of a contact portion of No. two single-pole double-throw switch (SPDT)s in No. three bulk charging bindiny mechanisms
On terminals, the positive pole of No. three cells is connected on the positive terminal of No. three bulk charging bindiny mechanisms, No. three monomer electricity
The positive pole in pond is also connected on the other end of single knife switch;The control end of a number single-pole double-throw switch (SPDT), No. two single-pole double throws
The control end of switch and the control end of single knife switch are connected with microcontroller respectively.
The battery pack that this battery connection module can allow well can be by each separate monomer in battery pack when charging
Battery is sequentially connected in series becomes series-connected cell together, will can be sequentially connected in series when being charged for battery pack in battery pack
Series-connected cell together becomes separate cell, and reliability is high.
Preferably, No. two contacts of a single-pole double-throw switch (SPDT) and No. two contacts of No. two single-pole double-throw switch (SPDT)s are equal
For normally-closed contact, when battery pack charges, No. two of No. two contacts of a single-pole double-throw switch (SPDT) and No. two single-pole double-throw switch (SPDT)s are touched
Point is in off-state, No. two contacts of a number single-pole double-throw switch (SPDT) and No. two single-pole double-throw switch (SPDT)s when battery pack there is not charging
No. two contacts be in closure state;A number contact of a number single-pole double-throw switch (SPDT) and the one of No. two single-pole double-throw switch (SPDT)s
Number contact is normally opened contact, a contact of a single-pole double-throw switch (SPDT) and No. two single-pole double-throw switch (SPDT)s when battery pack charges
A contact be in closure state, a number contact of a number single-pole double-throw switch (SPDT) and No. two hilted broadswords when battery pack there is not charging
A number contact of commutator is in off-state;The single knife switch is off when battery pack charges, in electricity
Pond group is in closure state when there be not charging.
Each separate monomer in battery pack can be remained in use such a construction increases battery pack
Battery is sequentially connected in series becomes series-connected cell together, and reliability is high.
Preferably, each bulk charging bindiny mechanism is including horizontal in sliding chamber, the lower horizontal block of insulation, insulated slide block, insulation
Block, sliding bar and activity horizontal block, the positive terminal of bulk charging bindiny mechanism include upper positive terminal termination and lower positive terminal
Termination, the negative terminals of bulk charging bindiny mechanism include upper negative terminal termination and lower negative terminal termination;Insulated slide block
Sliding intracavitary is slidably arranged in, the lower horizontal block of insulation is fixedly installed on horizontal block fixation in the cunning intracavitary below insulated slide block, insulation and set
The cunning intracavitary above insulated slide block is put, activity horizontal block is moveably positioned in the cunning intracavitary above the upper horizontal block of insulation, and upper positive pole connects
End and upper negative terminal termination are arranged on the lower surface of insulated slide block, lower positive terminal termination and lower negative terminal
Termination is arranged on the upper surface of the lower horizontal block of insulation, is provided with vertical through hole in horizontal block in insulation, sliding bar is slidably arranged in
In vertical through hole, sliding bar upper end is fixedly connected in activity horizontal block, and sliding bar lower end is fixedly connected in the upper horizontal block of insulation,
Sliding bar in insulation between horizontal block and insulated slide block is provided with spring is pulled open, and the two ends for pulling open spring extrude be connected to respectively
In insulation on the lower surface of horizontal block and on the upper surface of insulated slide block;Lower electricity is fixed with the upper surface of horizontal block in insulation
Magnet, is provided with upper electromagnet, and electricity when the electromagnetic force produced during the energization of upper electromagnet and logical lower electromagnet in activity horizontal block
The electromagnetic force of generation attracts each other, and the electromagnetic force produced during the energization of upper electromagnet and the lower electromagnet electromagnetic force that electricity is produced when logical
After attracting each other insulated slide block can be promoted to move down, and upper positive terminal termination can be compressed and be conductively connected and connect in lower positive pole
On end and can by upper negative terminal termination compress be conductively connected on lower negative terminal termination.
The bulk charging bindiny mechanism of this structure has prevented to allow current limliting module and cell when battery pack there is not charging
Completely insulated separation is carried out, reliability and security is improved.
It is connected electrically in preferably, the positive pole of each cell is one-to-one on lower positive terminal termination, each monomer electricity
The negative pole in pond is one-to-one to be connected electrically on lower negative terminal termination, the one-to-one electrical connection of positive pole of the other end of each current limliting module
On upper positive terminal termination, in the one-to-one electrical connection of negative pole of the other end of each current limliting module on negative terminal termination.
It is this simple in construction, improve reliability and security.
The present invention can reach following effect:
The charging device of the present invention can make the damage of single cell not interfere with other cell chargings, and not have
Each separate cell in battery pack can be sequentially connected in series when being charged for battery pack and become series electrical together
Pond, separate monomer can be become when being charged for battery pack by the series-connected cell being sequentially connected in series in battery pack together
Battery, the charging process to each cell can also carry out voltage detecting, and the charging progress of each cell can be entered
Row individually control, can also individually be controlled the charging voltage of each cell.It is safe, good reliability.
Brief description of the drawings
Fig. 1 is a kind of circuit theory attachment structure schematic diagram of the embodiment of the present invention.
Fig. 2 is that upper electromagnet is pressed on one kind when on lower electromagnet at number bulk charging bindiny mechanism of the embodiment of the present invention
Attachment structure schematic diagram.
Fig. 3 is upper electromagnet is not pressed in when on lower electromagnet at number bulk charging bindiny mechanism of the embodiment of the present invention one
Plant attachment structure schematic diagram.
Fig. 4 is a kind of attachment structure schematic diagram at temperature testing organization of the embodiment of the present invention.
Fig. 5 is a kind of Fig. 4 partial enlargement attachment structure schematic diagram.
Fig. 6 is a kind of circuit theory attachment structure schematic block diagram at the present embodiment dual power supply mechanism.
Fig. 7 is a kind of circuit theory attachment structure schematic block diagram of the present embodiment.
Embodiment
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
Embodiment, can carry out batteries monomer and charge the charging device of discharged in series, referring to shown in Fig. 1, Fig. 7, battery pack
26 are sequentially connected in series by several separate cells and form;Including microcontroller 8 and battery connection module 22, in addition to
The charger equal with cell number, switching are switched and current limliting module respectively;Battery connection module includes and cell
The equal bulk charging bindiny mechanism of number;Bulk voltage detection chip 101 is respectively equipped with each bulk charging bindiny mechanism;Each
On one terminals at the one-to-one selection end for being connected to switching switch of the power output end of charger;Turn of each switching switch
Moved end is one-to-one to be connected on one end of current limliting module, and the other end of each current limliting module is one-to-one to be connected to battery connection module
Bulk charging bindiny mechanism on;Battery connection module is connected on the battery pack, the control end of the battery connection module 22, each
The control end of bulk voltage detection chip 101, the control end of each current limliting module and each switching switch connects with microcontroller respectively
Connect;And under the control of the micro-controller, when not be battery pack charge when, battery connection module can by battery pack each mutually it is only
Vertical cell is sequentially connected in series becomes series-connected cell together, when being charged for battery pack, and battery connection module can be by
The series-connected cell being sequentially connected in series in battery pack together becomes separate cell.
Charger in this example is charger 2, charge 3 and charger 4.Switching switch in this example is switching switch
5th, switching switch 6 and switching switch 7.Current limliting module in this example is limited flow module 9, current limliting module 10 and current limliting module 11.
The selection end of each switching switch includes terminals a, terminals b and terminals c.
If the cell of the present embodiment battery pack has three, and it is respectively a monomer electricity to set these three cells
Pond 19, No. two cells 20 and No. three cells 21;The bulk charging bindiny mechanism of battery connection module has three, and sets
These three bulk charging bindiny mechanisms are respectively that a bulk charging bindiny mechanism 12, No. two bulk charging bindiny mechanisms 13 and No. three bodies fill
Electrical connection mechanism 14;Battery connection module also includes group power output interface 15, single-pole double-throw switch (SPDT) 17, No. two hilted broadswords pair
Throw switch 18 and single knife switch 16;The positive pole of a number cell is connected in the turning end of a single-pole double-throw switch (SPDT), No. one
A number contact portion of single-pole double-throw switch (SPDT) is on the positive terminal of a bulk charging bindiny mechanism, a single-pole double-throw switch (SPDT)
No. two contact portions on No. two contacts of No. two single-pole double-throw switch (SPDT)s, the negative pole of a cell is connected to a body and filled
In the negative terminals of electrical connection mechanism, the negative pole of a cell is also connected to the negative terminals of group power output interface
On;The positive pole of No. two cells is connected on the positive terminal of No. two bulk charging bindiny mechanisms, and No. two cells are just
Pole is also connected on the positive terminal of group power output interface, and the negative pole of No. two cells is connected to No. two bulk charging connections
In the negative terminals of mechanism, the negative pole of No. two cells is also connected on one end of single knife switch;No. three cells
Negative pole 25 is connected in the turning end of No. two single-pole double-throw switch (SPDT)s, and a contact portion of No. two single-pole double-throw switch (SPDT)s is in No. three bodies
In the negative terminals of charging connection mechanism, the positive pole 23 of No. three cells is connected to the positive pole of No. three bulk charging bindiny mechanisms
On terminals, the positive pole of No. three cells is also connected on the other end of single knife switch;A number single-pole double-throw switch (SPDT)
The control end of control end, the control end of No. two single-pole double-throw switch (SPDT)s and single knife switch is connected with microcontroller respectively.
No. two contacts of a number single-pole double-throw switch (SPDT) and No. two contacts of No. two single-pole double-throw switch (SPDT)s are normally closed touch
Point, when battery pack charges, No. two contacts of a single-pole double-throw switch (SPDT) and No. two contacts of No. two single-pole double-throw switch (SPDT)s are in
Off-state, when battery pack there is not charging, No. two of No. two contacts of a number single-pole double-throw switch (SPDT) and No. two single-pole double-throw switch (SPDT)s are touched
Point is in closure state;A number contact of a number single-pole double-throw switch (SPDT) and a contact of No. two single-pole double-throw switch (SPDT)s are equal
For normally opened contact, when battery pack charges, No. one of a contact of a single-pole double-throw switch (SPDT) and No. two single-pole double-throw switch (SPDT)s is touched
Point is in closure state, a number contact of a number single-pole double-throw switch (SPDT) and No. two single-pole double-throw switch (SPDT)s when battery pack there is not charging
A contact be in off-state;The single knife switch is off when battery pack charges, and is not filled in battery pack
Closure state is in when electric.
Referring to shown in Fig. 2, Fig. 3, each bulk charging bindiny mechanism includes sliding chamber 29, insulation lower horizontal block 30, insulated slide
Horizontal block 36, sliding bar 32 and activity horizontal block 31 on block 38, insulation, the positive terminal of bulk charging bindiny mechanism connect including upper positive pole
End 28 and lower positive terminal termination 27, the negative terminals of bulk charging bindiny mechanism include upper negative terminal termination 39 with
Negative terminal termination 40;Insulated slide block is slidably arranged in sliding intracavitary, and the lower horizontal block of insulation is fixedly installed on below insulated slide block
Cunning intracavitary, horizontal block is fixedly installed on the cunning intracavitary above insulated slide block in insulation, and activity horizontal block is moveably positioned in insulation
Cunning intracavitary above horizontal block, upper positive terminal termination and upper negative terminal termination are arranged on the lower surface of insulated slide block,
Lower positive terminal termination and lower negative terminal termination are arranged on the upper surface of the lower horizontal block of insulation, are provided with insulation in horizontal block
Vertical through hole 34, sliding bar is slidably arranged in vertical through hole, and sliding bar upper end is fixedly connected in activity horizontal block, under sliding bar
End is fixedly connected in the upper horizontal block of insulation, is provided with the sliding bar in insulation between horizontal block and insulated slide block and is pulled open spring
37, the two ends for pulling open spring extrude be connected on the lower surface of the upper horizontal block of insulation and on the upper surface of insulated slide block respectively;
Lower electromagnet 35 is fixed with insulation on the upper surface of horizontal block, upper electromagnet 33, and upper electromagnetism are provided with activity horizontal block
The electromagnetic force that Tie Tong is produced when electric attracts each other with the lower electromagnet electromagnetic force that electricity is produced when logical, and is produced during the energization of upper electromagnet
Electromagnetic force and electricity is produced during lower electromagnet logical electromagnetic force attract each other after insulated slide block can be promoted to move down, and can be by
Upper positive terminal termination compresses to be conductively connected on lower positive terminal termination and can compress upper negative terminal termination and is conductively connected
On lower negative terminal termination.
The positive pole of each cell is one-to-one to be connected electrically on lower positive terminal termination, the negative pole one of each cell
It is connected electrically in one on lower negative terminal termination, positive terminal in the one-to-one electrical connection of positive pole of the other end of each current limliting module
On termination, in the one-to-one electrical connection of negative pole of the other end of each current limliting module on negative terminal termination.
It is shown in Figure 5, temperature testing organization 24, each temperature testing organization point are respectively equipped with each cell
It is not connected with microcontroller.Temperature testing organization includes insulation guide pipe 41, temperature-sensitive telescopic block 42 and limit temperature insulation sliding block 43;Absolutely
Edge guide pipe is fixed on the cell of the positive level connector lug right side side of correspondence cell, temperature-sensitive telescopic block and limit temperature insulation
Sliding block is all slidably arranged in the tube chamber 44 of insulation guide pipe, and the left end of temperature-sensitive telescopic block compresses the positive level for being connected to cell
On the right surface of connector lug, the right-hand member of temperature-sensitive telescopic block is fixedly connected on the left side of limit temperature insulation sliding block.The present embodiment with
It is described exemplified by No. three cells 21.
Temperature testing organization also includes push rod 49, lever 50, cooling extrusion spring 51, fixed block 52, a slip variable resistance
Device 48 and the current sensor 53 that can detect slide rheostat electric current, the rotating fulcrum and slide rheostat of lever are all fixed respectively
In the tube chamber of the insulation guide pipe of limit temperature insulation sliding block right, fixed block is fixed on the tube chamber of the insulation guide pipe of lever right
Interior, the left end of push rod is fixedly connected on the right side of limit temperature insulation sliding block, and the right-hand member extruding of push rod is connected to the power of lever
On arm, the slip pin of slide rheostat is fixedly connected on the resistance arm of lever, and the left end of a cooling extrusion spring, which is fixed, to be connected
It is connected on the right surface of the power arm of lever, the right-hand member of a cooling extrusion spring is fixedly connected on fixed block, current sensor
It is connected with microcontroller;And the power arm lengths of lever are less than the resistance arm lengths of lever.
Slide rheostat includes conductive segment 45 and non-conductive section 47, and the slip pin 46 of slide rheostat is under the drive of lever
It can slidably reciprocate on the conductive segment of slide rheostat and on non-conductive section, when the slip pin of slide rheostat is only sliding change
Hindering slide rheostat when being slided on the conductive segment of device just allows have electric current to flow through, and the size of current that can be flowed through is with sliding pointer
Movement and change;When slide rheostat slide pin only on non-conductive section of slide rheostat slide when slide rheostat without
Electric current flows through.
Shown in Figure 4, battery connection module includes the output charging connection mechanism equal with cell number;Each
It is solid that output charging connection mechanism includes cylinder 57 that expansion link is arranged downwards and that control end is connected with microcontroller, level
The level insulation block 58 of the lower end of Telescopic-cylinder bar 56 is scheduled on, left conducting block 55 is provided with the lower surface left end of level insulation block,
The lower surface right-hand member of level insulation block is provided with right conducting block 59;Left conducting block and the positive terminal of bulk charging bindiny mechanism are conductive
Connection, right conducting block and the negative terminals of bulk charging bindiny mechanism are conductively connected.
In the present embodiment, left conducting block is conductive even by the lower positive terminal termination 27 of wire 54 and bulk charging bindiny mechanism
Connect, right conducting block is conductively connected by wire 60 and the lower negative terminal termination 40 of bulk charging bindiny mechanism.
When the temperature that temperature testing organization detects correspondence cell is higher than setting value, microcontroller is sent to cylinder
Instruction is shunk, the expansion link of cylinder shrinks, and makes left conducting block and right conducting block disconnected with corresponding cell positive pole and negative pole respectively
Open.When temperature testing organization detects the temperature of correspondence cell below setting value, microcontroller sends receipts to cylinder
Contracting elongation instruction, the expansion link elongation of cylinder, allows left conducting block and right conducting block to compress respectively and is conductively connected in corresponding monomer
On anode and on negative pole.So as to realize cell in charging because charging causes the too high excess temperature of cell temperature to be protected
Shield control.Charging security is high.
Shown in Figure 6, the power input of each charger is both electrically connected with a dual power supply mechanism 1, this pair of electricity
Source mechanism can only have a power supply to power charger when same in discontinuity surface.Dual power supply mechanism includes commercial power interface 79, work(
Rate factor correction module 80, high frequency blocking alternating-current converter 81, loading interfaces 82, charging module 83, energy-storage units 84 and electric discharge mould
Block 85;Power factor correction module is connected with commercial power interface, high frequency blocking alternating-current converter and charging module respectively, energy-storage units point
It is not connected with charging module and discharge module, dual power supply output interface connects with high frequency blocking alternating-current converter and discharge module respectively
Connect, power input of the dual power supply output interface also respectively with each charger is electrically connected.
The present embodiment is in charging, and voltage checking chip can carry out voltage detecting to corresponding cell.When some list
Body battery can reduce charging current when being full of by current limliting module, and current limliting can be passed through when some cell is not full of far also
Module increases charging current.So as to make voltage contained by cell identical as far as possible.When each cell is full of and each single
The voltage of body battery can disconnect charge power supply when identical.Or when each cell and underfill and each cell
Voltage it is identical when can also disconnect charge power supply.So allow cell connect after, will not between the cell being connected in series
There is electric current flowing, the reliability of battery is high.The charging current or charging voltage of each charger can be differed each other.Pass through
Switching switch can select different chargers to some cell.The cooperation of switching switch and current limliting module can be needed preferably
The cell to be charged provides charging current and charging voltage in real time, consequently facilitating entering to the charging progress of each cell
Row individually control, also allows for individually controlling the charging voltage of each cell.Examined in charging process by temperature
Surveying mechanism can detect to the temperature of cell, and can carry out overheat protector control to cell in charging.Pass through
Dual power supply mechanism makes the present embodiment have dual power supply function, substantially increases dependable with function.
The present embodiment can make the damage of single cell not interfere with other cell chargings, and not be battery pack
Each separate cell in battery pack can be sequentially connected in series during charging and become series-connected cell together, for electricity
The series-connected cell being sequentially connected in series in battery pack together can be become separate cell during the group charging of pond, to every
The charging process of individual cell can also carry out voltage detecting, and the charging progress of each cell individually can be controlled
System, can also individually be controlled the charging voltage of each cell.And in charging excess temperature guarantor can be carried out to cell
Shield control.Powered using dual power supply mechanism and realize the uninterrupted power supply of electrical equipment.It is safe, good reliability.
The battery pack that the battery connection module of the present embodiment can allow well can be by each is separate in battery pack when charging
Cell be sequentially connected in series and become series-connected cell together, will can be sequentially connected in series when being charged for battery pack in battery pack
The series-connected cell linked together becomes separate cell, and reliability is high.
The present embodiment can improve battery pack can remain each separate list in battery pack in use
Body battery is sequentially connected in series becomes series-connected cell together, and reliability is high.
The bulk charging bindiny mechanism of the present embodiment has prevented to allow current limliting module and cell when battery pack there is not charging
Completely insulated separation is carried out, reliability and security is improved.
When temperature testing organization detects the temperature of correspondence cell below setting value, microcontroller is sent out to cylinder
Go out to shrink elongation instruction, the expansion link elongation of cylinder allows left conducting block and right conducting block to compress be conductively connected corresponding respectively
On cell positive pole and on negative pole.So as to realize cell in charging because charging causes the too high mistake of cell temperature
Temperature protection control.Charging security is high.
The operation principle of dual power supply mechanism is in the present embodiment:When electric main input is normal, 220V alternating currents are through work(
Rate factor correction module is converted to 400V direct currents, and the charged module of the direct current charges to energy-storage units, and simultaneously through high frequency
Blocking alternating-current converter gives the power supply for electrical equipment being connected in loading interfaces.When electric main inputs exception, Active PFC
Module and charging module are stopped.Energy-storage units are deposited after electricity is converted through discharge module directly to being connected on loading interfaces
On power supply for electrical equipment, realize the uninterrupted power supply of electrical equipment.
Embodiments of the present invention are described above in conjunction with accompanying drawing, but are not limited when realizing by above-described embodiment, this area
Those of ordinary skill can make a variety of changes or change within the scope of the appended claims.
Claims (5)
1. the charging device of batteries monomer charging discharged in series can be carried out, battery pack is by several separate cells
It is sequentially connected in series and forms;It is characterised in that it includes microcontroller and battery connection module, in addition to respectively with cell number phase
Deng charger, switching switch and current limliting module;Battery connection module includes the bulk charging equal with cell number and connected
Mechanism;Bulk voltage detection chip is respectively equipped with each bulk charging bindiny mechanism;A pair of the power output end of each charger
One is connected on a terminals at selection end for switching switch;The turning end of each switching switch is one-to-one to be connected to current limliting mould
On one end of block, the other end of each current limliting module is one-to-one to be connected in the bulk charging bindiny mechanism of battery connection module;Electricity
Pond link block is connected on the battery pack, the control end of the battery connection module, each bulk voltage detection chip, each current limliting
The control end of module and the control end of each switching switch are connected with microcontroller respectively;And under the control of the micro-controller, when
When not charged for battery pack, each separate cell in battery pack can be sequentially connected in series by battery connection module
Become series-connected cell together, when being charged for battery pack, battery connection module will can be sequentially connected in series together in battery pack
Series-connected cell become separate cell.
2. according to claim 1 can carry out the charging device of batteries monomer charging discharged in series, it is characterised in that set
The cell of battery pack has three, and set these three cells be respectively a cell, No. two cells and
No. three cells;The bulk charging bindiny mechanism of battery connection module has three, and sets these three bulk charging bindiny mechanisms point
Wei not a bulk charging bindiny mechanism, No. two bulk charging bindiny mechanisms and No. three bulk charging bindiny mechanisms;Battery connection module is also
Including a group power output interface, a single-pole double-throw switch (SPDT), No. two single-pole double-throw switch (SPDT)s and single knife switch;Number cell
Positive pole is connected in the turning end of a single-pole double-throw switch (SPDT), and a contact portion of a single-pole double-throw switch (SPDT) is filled in a body
On the positive terminal of electrical connection mechanism, No. two contact portions of a single-pole double-throw switch (SPDT) are the two of No. two single-pole double-throw switch (SPDT)s
On number contact, the negative pole of a cell is connected in the negative terminals of a bulk charging bindiny mechanism, a monomer electricity
The negative pole in pond is also connected in the negative terminals of group power output interface;The positive pole of No. two cells is connected to No. two bodies and filled
On the positive terminal of electrical connection mechanism, the positive pole of No. two cells is also connected to the positive terminal of group power output interface
On, the negative pole of No. two cells is connected in the negative terminals of No. two bulk charging bindiny mechanisms, No. two cells it is negative
Pole is also connected on one end of single knife switch;The negative pole of No. three cells is connected to the turning end of No. two single-pole double-throw switch (SPDT)s
On, a contact portion of No. two single-pole double-throw switch (SPDT)s is in the negative terminals of No. three bulk charging bindiny mechanisms, No. three monomers
The positive pole of battery is connected on the positive terminal of No. three bulk charging bindiny mechanisms, and the positive pole of No. three cells is also connected to list
On the other end of knife-like switch;The control end of a number single-pole double-throw switch (SPDT), the control end of No. two single-pole double-throw switch (SPDT)s and hilted broadsword
The control end of switch is connected with microcontroller respectively.
3. according to claim 2 can carry out the charging device of batteries monomer charging discharged in series, it is characterised in that institute
It is normally-closed contact to state No. two contacts of a single-pole double-throw switch (SPDT) and No. two contacts of No. two single-pole double-throw switch (SPDT)s, in battery pack
No. two contacts of a number single-pole double-throw switch (SPDT) and No. two contacts of No. two single-pole double-throw switch (SPDT)s are in off-state during charging,
No. two contacts of a number single-pole double-throw switch (SPDT) and No. two contacts of No. two single-pole double-throw switch (SPDT)s are in closing when battery pack there is not charging
Conjunction state;A number contact of a number single-pole double-throw switch (SPDT) and a contact of No. two single-pole double-throw switch (SPDT)s are normally opened touch
Point, when battery pack charges, a contact of a single-pole double-throw switch (SPDT) and a contact of No. two single-pole double-throw switch (SPDT)s are in
Closure state, when battery pack there is not charging, No. one of a number contact of a number single-pole double-throw switch (SPDT) and No. two single-pole double-throw switch (SPDT)s is touched
Point is in off-state;The single knife switch is off when battery pack charges, and is in when battery pack there is not charging
Closure state.
4. according to claim 1 can carry out the charging device of batteries monomer charging discharged in series, it is characterised in that every
Individual charging connection mechanism all includes sliding chamber, the lower horizontal block of insulation, insulated slide block, horizontal block, sliding bar and activity horizontal block in insulation,
The positive terminal of bulk charging bindiny mechanism includes upper positive terminal termination and lower positive terminal termination, bulk charging bindiny mechanism
Negative terminals include upper negative terminal termination and lower negative terminal termination;Insulated slide block is slidably arranged in sliding intracavitary, insulation
Lower horizontal block is fixedly installed on horizontal block in the cunning intracavitary below insulated slide block, insulation and is fixedly installed on the cunning above insulated slide block
Intracavitary, activity horizontal block is moveably positioned in the cunning intracavitary above the upper horizontal block of insulation, upper positive terminal termination and upper negative terminal termination
On the lower surface for being arranged at insulated slide block, lower positive terminal termination and lower negative terminal termination are arranged at the lower horizontal block of insulation
Upper surface on, vertical through hole is provided with horizontal block in insulation, sliding bar is slidably arranged in vertical through hole, sliding bar upper end is consolidated
Surely it is connected in activity horizontal block, sliding bar lower end is fixedly connected in the upper horizontal block of insulation, horizontal block and insulated slide block in insulation
Between sliding bar provided with pulling open spring, pull open spring two ends extrude respectively be connected on the lower surface of the upper horizontal block of insulation and
On the upper surface of insulated slide block;Lower electromagnet is fixed with the upper surface of horizontal block in insulation, is provided with activity horizontal block
Upper electromagnet, and the electric electromagnetic force produced attracts each other when the electromagnetic force produced during the energization of upper electromagnet and logical lower electromagnet,
And the electromagnetic force produced during upper electromagnet energization can promote insulation when logical with lower electromagnet after the electromagnetic force of electricity generation attracts each other
Sliding shoe moves down, and can compress upper positive terminal termination and be conductively connected on lower positive terminal termination and can be by upper negative pole
Terminal stud is compressed and is conductively connected on lower negative terminal termination.
5. according to claim 4 can carry out the charging device of batteries monomer charging discharged in series, it is characterised in that every
The positive pole of individual cell is one-to-one to be connected electrically on lower positive terminal termination, the one-to-one electrical connection of negative pole of each cell
On lower negative terminal termination, in the one-to-one electrical connection of positive pole of the other end of each current limliting module on positive terminal termination, often
In the one-to-one electrical connection of negative pole of the other end of individual current limliting module on negative terminal termination.
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CN201611270700.8A CN107017672B (en) | 2016-12-30 | 2016-12-30 | It can be carried out the charging unit of batteries monomer charging discharged in series |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107706996A (en) * | 2017-11-09 | 2018-02-16 | 常州格力博有限公司 | Charge control switching circuit |
CN108631380A (en) * | 2017-11-09 | 2018-10-09 | 常州格力博有限公司 | More batteries communicate common circuit |
CN113949141A (en) * | 2021-11-25 | 2022-01-18 | 深圳市宏成想科技有限公司 | Battery charge-discharge control device |
TWI782173B (en) * | 2018-01-17 | 2022-11-01 | 美商瑞薩電子美國有限公司 | Autonomous adapter pass through mode for buck-boost battery charger |
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CN203747439U (en) * | 2013-07-11 | 2014-07-30 | 张平洲 | Rechargeable battery pack structure capable of shortening charging time |
TW201507315A (en) * | 2013-08-14 | 2015-02-16 | Chin-Long Wey | Smart battery management system with the capability of charging single battery cells and discharging battery pack |
US20160064965A1 (en) * | 2011-06-17 | 2016-03-03 | Southwest Electronic Energy Corporation | Module bypass switch for balancing battery pack system modules with bypass current monitoring |
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CN201160230Y (en) * | 2008-01-10 | 2008-12-03 | 周雨方 | Battery charger |
US20160064965A1 (en) * | 2011-06-17 | 2016-03-03 | Southwest Electronic Energy Corporation | Module bypass switch for balancing battery pack system modules with bypass current monitoring |
CN203747439U (en) * | 2013-07-11 | 2014-07-30 | 张平洲 | Rechargeable battery pack structure capable of shortening charging time |
TW201507315A (en) * | 2013-08-14 | 2015-02-16 | Chin-Long Wey | Smart battery management system with the capability of charging single battery cells and discharging battery pack |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN107706996A (en) * | 2017-11-09 | 2018-02-16 | 常州格力博有限公司 | Charge control switching circuit |
CN108631380A (en) * | 2017-11-09 | 2018-10-09 | 常州格力博有限公司 | More batteries communicate common circuit |
TWI782173B (en) * | 2018-01-17 | 2022-11-01 | 美商瑞薩電子美國有限公司 | Autonomous adapter pass through mode for buck-boost battery charger |
CN113949141A (en) * | 2021-11-25 | 2022-01-18 | 深圳市宏成想科技有限公司 | Battery charge-discharge control device |
CN113949141B (en) * | 2021-11-25 | 2022-09-09 | 深圳市宏成想科技有限公司 | Battery charging and discharging control device |
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