CN107017672B - It can be carried out the charging unit of batteries monomer charging discharged in series - Google Patents

It can be carried out the charging unit of batteries monomer charging discharged in series Download PDF

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Publication number
CN107017672B
CN107017672B CN201611270700.8A CN201611270700A CN107017672B CN 107017672 B CN107017672 B CN 107017672B CN 201611270700 A CN201611270700 A CN 201611270700A CN 107017672 B CN107017672 B CN 107017672B
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China
Prior art keywords
battery
charging
spdt
pole double
throw switch
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CN201611270700.8A
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CN107017672A (en
Inventor
李光
简化军
吕桓
金珑
崔慧明
张丹灵
王程
陈振勇
沈欣
谈明珂
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BAIYIN POWER SUPPLY COMPANY STATE GRID GANSU ELECTRIC POWER Co Ltd
HANGZHOU ONLY POWER SUPPLY CO Ltd
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BAIYIN POWER SUPPLY COMPANY STATE GRID GANSU ELECTRIC POWER Co Ltd
HANGZHOU ONLY POWER SUPPLY CO Ltd
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Priority to CN201611270700.8A priority Critical patent/CN107017672B/en
Publication of CN107017672A publication Critical patent/CN107017672A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/36Arrangements using end-cell switching

Abstract

The invention discloses the charging units that can be carried out batteries monomer charging discharged in series, are related to battery pack charging technique field, which can make the damage of single single battery will not influence other single battery chargings.Including microcontroller and battery connection module, respectively the charger equal with single battery number, switching switch and current limliting module;Battery connection module includes the bulk charging bindiny mechanism equal with single battery 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;On one-to-one one end for being connected to current limliting module of turning end of each switching switch, in the one-to-one bulk charging bindiny mechanism for being connected to battery connection module of the other end of each current limliting module;Battery connection module connects on the battery pack.

Description

It can be carried out the charging unit of batteries monomer charging discharged in series
Technical field
The present invention relates to battery pack charging technique fields, and in particular to can be carried out filling for batteries monomer charging discharged in series Electric installation.
Background technique
Charging unit all charges to battery pack with a charger at present, and during the charging process in battery pack It is connected in series with each other between single battery.As long as there is a single battery event occur between the single battery being serially connected Barrier will lead to the situation that entire battery pack rushes bad electricity.Therefore, the damage for designing a kind of single single battery will not influence it The charging unit of its single battery charging is very necessary.
Summary of the invention
The present invention is to provide one kind in order to solve existing charging unit above shortcomings and can be carried out batteries monomer and fill The charging unit of electrically coupled in series electric discharge.The charging unit can make the damage of single single battery will not influence other single batteries to fill Electricity, and mutually independent single battery each in battery pack can be sequentially connected in series when not being battery pack charging and be become together At series-connected cell, the series-connected cell for being sequentially connected in series together in battery pack can be become mutually solely when for battery pack charging Vertical single battery also can be carried out voltage detecting to the charging process of each single battery, and can fill to each single battery Electric progress is individually controlled, can also the charging voltage to each single battery individually controlled.
The above technical problem is solved through the following technical scheme:
It can be carried out the charging unit of batteries monomer charging discharged in series, battery pack is by several mutually independent monomer electricity Pond is sequentially connected in series;It further include charging equal with single battery number respectively including microcontroller and battery connection module Device, switching switch and current limliting module;Battery connection module includes the bulk charging bindiny mechanism equal with single battery number;Every Bulk voltage detection chip is respectively equipped in individual charging connection mechanism;One-to-one be connected to of the power output end of each charger is cut It changes 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, in the one-to-one bulk charging bindiny mechanism for being connected to battery connection module of the other end of each current limliting module;Battery connects mould Block connects the control of the control terminal of the battery connection module, each bulk voltage detection chip, each current limliting module on the battery pack The control terminal of end processed and each switching switch is connect with microcontroller respectively;And under the control of the micro-controller, when not be battery When group charging, mutually independent single battery each in battery pack can be sequentially connected in series by battery connection module to be become together Series-connected cell, when for battery pack charging, battery connection module can will be sequentially connected in series series electrical together in battery pack Pond becomes mutually independent single battery.
For this programme in charging, voltage checking chip can carry out voltage detecting to corresponding single battery.When some monomer Battery can reduce charging current by current limliting module when being full of, and can pass through current limliting mould when some single battery is not full of far also Block increases charging current.To make voltage contained by single battery identical as far as possible.When each single battery is full of and each monomer The voltage of battery can disconnect charge power supply when identical.Or when each single battery and underfill and each single battery Voltage can also disconnect charge power supply when identical.After allowing single battery to be connected in this way, do not had between the single battery of series connection Electric current flowing, the high reliablity of battery.The charging current or charging voltage of each charger between each other can not be identical.By cutting Different chargers can be selected to some single battery by changing switch.The cooperation of switching switch and current limliting module can preferably need The single battery of charging provides charging current and charging voltage in real time, consequently facilitating the charging progress to each single battery carries out Individually control, is also convenient for individually controlling the charging voltage of each single battery.This programme can make single single battery Damage will not influence other single battery chargings, and can be by mutually independent list each in battery pack when not being battery pack charging Body battery is sequentially connected in series becomes series-connected cell together, can will be sequentially connected in series in battery pack when for battery pack charging Series-connected cell together becomes mutually independent single battery, also can be carried out voltage inspection to the charging process of each single battery Survey, and can the charging progress to each single battery individually controlled, the charging voltage of each single battery can also be carried out Individually control.
Preferably, there are three the single battery for setting battery pack is total, and setting these three single batteries is respectively No.1 monomer Battery, No. two single batteries and No. three single batteries;The bulk charging bindiny mechanism of battery connection module altogether there are three, and set this three Individual charging connection mechanism is respectively that No.1 bulk charging bindiny mechanism, No. two bulk charging bindiny mechanisms with No. three bulk chargings connect machine Structure;Battery connection module further includes that a group power output interface, No.1 single-pole double-throw switch (SPDT), No. two single-pole double-throw switch (SPDT)s and hilted broadsword are opened It closes;The anode of No.1 single battery is connected in the turning end of No.1 single-pole double-throw switch (SPDT), the No.1 of No.1 single-pole double-throw switch (SPDT) Contact is connected on the positive terminal of No.1 bulk charging bindiny mechanism, and No. two contacts of No.1 single-pole double-throw switch (SPDT) are connected to two On No. two contacts of number single-pole double-throw switch (SPDT), the cathode that the cathode of No.1 single battery is connected to No.1 bulk charging bindiny mechanism is connect On line end, the cathode of No.1 single battery is also connected in the negative terminals of group power output interface;No. two single batteries Anode is connected on the positive terminal of No. two bulk charging bindiny mechanisms, and it is defeated that the anode of No. two single batteries is also connected to group power supply On the positive terminal of outgoing interface, the cathode of No. two single batteries is connected to the negative terminals of No. two bulk charging bindiny mechanisms On, the cathode of No. two single batteries is also connected on one end of single knife switch;The cathode of No. three single batteries is connected to No. two lists In the turning end of double-pole double throw switch, the No.1 contact of No. two single-pole double-throw switch (SPDT)s is connected to the cathode of No. three bulk charging bindiny mechanisms On terminals, the anode of No. three single batteries is connected on the positive terminal of No. three bulk charging bindiny mechanisms, No. three monomer electricity The anode in pond is also connected on the other end of single knife switch;The control terminal of the No.1 single-pole double-throw switch (SPDT), No. two single-pole double throws The control terminal of switch and the control terminal of single knife switch are connect with microcontroller respectively.
This battery connection module can be by mutually independent monomer each in battery pack when battery pack can be allowed to charge well Battery is sequentially connected in series becomes series-connected cell together, can will be sequentially connected in series in battery pack when for battery pack charging Series-connected cell together becomes mutually independent single battery, high reliablity.
Preferably, No. two contacts of the No.1 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, No. two touchings of No. two contacts of No.1 single-pole double-throw switch (SPDT) and No. two single-pole double-throw switch (SPDT)s in battery pack charging Point is in off-state, No. two contacts of No.1 single-pole double-throw switch (SPDT) and No. two single-pole double-throw switch (SPDT)s when battery pack and do not charge No. two contacts be in closed state;The one of the No.1 contact of the No.1 single-pole double-throw switch (SPDT) and No. two single-pole double-throw switch (SPDT)s Number contact is normally opened contact, the No.1 contact of No.1 single-pole double-throw switch (SPDT) and No. two single-pole double-throw switch (SPDT)s in battery pack charging No.1 contact be in closed state, battery pack do not charge when No.1 single-pole double-throw switch (SPDT) No.1 contact and No. two hilted broadswords The No.1 contact of commutator is in off-state;The single knife switch is in an off state when battery pack charges, in electricity Closed state is in when pond group does not charge.
Such a construction increases battery packs can remain each mutually independent monomer in battery pack in use Battery is sequentially connected in series becomes series-connected cell together, high reliablity.
Preferably, each bulk charging bindiny mechanism includes sliding chamber, the lower horizontal block that insulate, insulated slide block, cross in insulation Block, sliding bar and activity horizontal block, the positive terminal of bulk charging bindiny mechanism include upper positive terminal end and lower positive terminal End, the negative terminals of bulk charging bindiny mechanism include upper negative terminal end and lower negative terminal end;Insulated slide block It is slidably arranged in intracavitary, the cunning that lower horizontal block is fixed at below insulated slide block that insulate is intracavitary, and horizontal block is fixed and set in insulation The cunning set above insulated slide block is intracavitary, and the cunning that activity horizontal block is moveably positioned in above the upper horizontal block that insulate is intracavitary, and upper anode connects Line end and upper negative terminal end are arranged on the lower surface of insulated slide block, lower positive terminal end and lower negative terminal End is arranged on the upper surface for the lower horizontal block that insulate, and is equipped with vertical through-hole in upper horizontal block insulating, 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, which is equipped with, pulls open spring, and the both ends for pulling open spring are press-connected respectively In insulation on the lower surface of the horizontal block and upper surface of insulated slide block;Lower electricity is fixed on the upper surface for insulating upper horizontal block The electricity when electromagnetic force and lower electromagnet that magnet is equipped with upper electromagnet in activity horizontal block, and generates when the energization of upper electromagnet are led to The electromagnetic force of generation attracts each other, and the electromagnetic force generated when the energization of upper electromagnet and the lower electromagnet electromagnetic force that electricity generates when logical Insulated slide block can be pushed to move down after attracting each other, and upper positive terminal end can be compressed to be conductively connected and be connect in lower anode In line end and upper negative terminal end can be compressed to conductive connection on lower negative terminal end.
The bulk charging bindiny mechanism of this structure has prevented do not charge Shi Nengrang current limliting module and single battery in battery pack Completely insulated separation is carried out, reliability and safety are improved.
It is connected electrically on lower positive terminal end preferably, the anode of each single battery is one-to-one, each monomer electricity The cathode in pond is one-to-one to be connected electrically on lower negative terminal end, the one-to-one electrical connection of anode of the other end of each current limliting module On upper positive terminal end, in the one-to-one electrical connection of cathode of the other end of each current limliting module on negative terminal end.
This structure is simple, improves reliability and safety.
The present invention can reach following effect:
Charging unit of the invention can make the damage of single single battery will not influence other single battery chargings, and not have Become series electrical together for that can be sequentially connected in series mutually independent single battery each in battery pack when battery pack charging The series-connected cell for being sequentially connected in series together in battery pack can be become mutually independent monomer when for battery pack charging by pond Battery also can be carried out voltage detecting to the charging process of each single battery, and can charging progress to each single battery into Row individually control, can also the charging voltage to each single battery individually controlled.It is highly-safe, good reliability.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of circuit principle connecting structure of the embodiment of the present invention.
Fig. 2 is one kind when upper electromagnet is pressed on lower electromagnet at No.1 bulk charging of embodiment of the present invention bindiny mechanism Attachment structure schematic diagram.
Fig. 3 is one when upper electromagnet is not pressed on lower electromagnet at No.1 bulk charging of embodiment of the present invention bindiny mechanism Kind 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 partial enlargement attachment structure schematic diagram of Fig. 4.
Fig. 6 is a kind of circuit theory connection structure schematic block diagram at the present embodiment dual power supply mechanism.
Fig. 7 is a kind of circuit theory connection structure schematic block diagram of the present embodiment.
Specific embodiment
The present invention will be further described below with reference to the accompanying drawings and embodiments.
Embodiment can be carried out the charging unit of batteries monomer charging discharged in series, referring to shown in Fig. 1, Fig. 7, battery pack 26 are sequentially connected in series by several mutually independent single batteries;Including microcontroller 8 and battery connection module 22, further include The charger equal with single battery number, switching switch and current limliting module respectively;Battery connection module includes and single battery The equal bulk charging bindiny mechanism of number;Bulk voltage detection chip 101 is respectively equipped in 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;Each switching switch turns On the one-to-one one end for being connected to current limliting module in moved end, 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 connects on the battery pack, the control terminal of the battery connection module 22, each The control terminal of bulk voltage detection chip 101, the control terminal of each current limliting module and each switching switch connects with microcontroller respectively It connects;And under the control of the micro-controller, when not be battery pack charging when, battery connection module can will in battery pack it is each mutually solely Vertical single battery is sequentially connected in series becomes series-connected cell together, and when for battery pack charging, battery connection module can be incited somebody to action The series-connected cell being sequentially connected in series in battery pack together becomes mutually independent single battery.
Charger in this example is charger 2, charging 3 and charger 4.Switching switch in this example is switching switch 5, switch 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 there are three the single battery of the present embodiment battery pack is total, and setting these three single batteries is respectively No.1 monomer electricity The single battery 20 of pond 19, two and No. three single batteries 21;There are three the bulk charging bindiny mechanism of battery connection module is total, and set These three bulk charging bindiny mechanisms are respectively that 12, No. two bulk charging bindiny mechanisms 13, No.1 bulk charging bindiny mechanism and No. three bodies fill Electrical connection mechanism 14;Battery connection module further includes group power output interface 15, No.1 single-pole double-throw switch (SPDT) 17, No. two hilted broadswords pair Throw switch 18 and single knife switch 16;The anode of No.1 single battery is connected in the turning end of No.1 single-pole double-throw switch (SPDT), No.1 The No.1 contact of single-pole double-throw switch (SPDT) is connected on the positive terminal of No.1 bulk charging bindiny mechanism, No.1 single-pole double-throw switch (SPDT) No. two contacts be connected on No. two contacts of No. two single-pole double-throw switch (SPDT)s, the cathode of No.1 single battery is connected to No.1 body and fills In the negative terminals of electrical connection mechanism, the cathode of No.1 single battery is also connected to the negative terminals of group power output interface On;The anode of No. two single batteries is connected on the positive terminal of No. two bulk charging bindiny mechanisms, and No. two single batteries are just Pole is also connected on the positive terminal of group power output interface, and the cathode of No. two single batteries is connected to No. two bulk charging connections In the negative terminals of mechanism, the cathode of No. two single batteries is also connected on one end of single knife switch;No. three single batteries Cathode 25 is connected in the turning end of No. two single-pole double-throw switch (SPDT)s, and the No.1 contact of No. two single-pole double-throw switch (SPDT)s is connected to No. three bodies In the negative terminals of charging connection mechanism, the anode 23 of No. three single batteries is connected to the anode of No. three bulk charging bindiny mechanisms On terminals, the anode of No. three single batteries is also connected on the other end of single knife switch;The No.1 single-pole double-throw switch (SPDT) The control terminal of control terminal, the control terminal of No. two single-pole double-throw switch (SPDT)s and single knife switch is connect with microcontroller respectively.
No. two contacts of the No.1 single-pole double-throw switch (SPDT) and No. two contacts of No. two single-pole double-throw switch (SPDT)s are normally closed touching Point, in battery pack charging, No. two contacts of No.1 single-pole double-throw switch (SPDT) and No. two contacts of No. two single-pole double-throw switch (SPDT)s are in Off-state, No. two touchings of No. two contacts of No.1 single-pole double-throw switch (SPDT) and No. two single-pole double-throw switch (SPDT)s when battery pack and do not charge Point is in closed state;The No.1 contact of the No.1 single-pole double-throw switch (SPDT) and the No.1 contact of No. two single-pole double-throw switch (SPDT)s are equal For normally opened contact, the No.1 touching of the No.1 contact of No.1 single-pole double-throw switch (SPDT) and No. two single-pole double-throw switch (SPDT)s in battery pack charging Point is in closed state, the No.1 contact of No.1 single-pole double-throw switch (SPDT) and No. two single-pole double-throw switch (SPDT)s when battery pack and do not charge No.1 contact be in off-state;The single knife switch is in an off state when battery pack charges, and is not filled in battery pack Closed state is in when electric.
Referring to fig. 2, shown in Fig. 3, each bulk charging bindiny mechanism includes sliding chamber 29, insulate 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 include that upper anode connects Line end 28 and lower positive terminal end 27, the negative terminals of bulk charging bindiny mechanism include upper negative terminal end 39 under Negative terminal end 40;Insulated slide block is slidably arranged in intracavitary, and the lower horizontal block that insulate is fixed at below insulated slide block Cunning it is intracavitary, the cunning that horizontal block is fixed above insulated slide block in insulation is intracavitary, and activity horizontal block is moveably positioned in insulation Cunning above horizontal block is intracavitary, and upper positive terminal end and upper negative terminal end are arranged on the lower surface of insulated slide block, Lower positive terminal end and lower negative terminal end are arranged on the upper surface for the lower horizontal block that insulate, and are equipped in upper horizontal block insulating Vertical through-hole 34, sliding bar are 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, pulls open spring insulating to be equipped on the sliding bar between upper horizontal block and insulated slide block 37, the both ends for pulling open spring are press-connected respectively on the lower surface for the upper horizontal block that insulate and on the upper surface of insulated slide block;? Lower electromagnet 35 is fixed in insulation on the upper surface of horizontal block, upper electromagnet 33, and upper electromagnetism are equipped in activity horizontal block The electromagnetic force generated when Tie Tong electricity attracts each other with the lower electromagnet electromagnetic force that electricity generates when logical, and generates when the energization of upper electromagnet Electromagnetic force and lower electromagnet it is logical when the electromagnetic force that generates of electricity attract each other after insulated slide block can be pushed to move down, and can general Upper positive terminal end compresses to be conductively connected on lower positive terminal end and can compress upper negative terminal end and be conductively connected On lower negative terminal end.
The anode of each single battery is one-to-one to be connected electrically on lower positive terminal end, the cathode one of each single battery It is connected electrically on lower negative terminal end to one, positive terminal in the one-to-one electrical connection of anode of the other end of each current limliting module On end, in the one-to-one electrical connection of cathode of the other end of each current limliting module on negative terminal end.
It is shown in Figure 5, temperature testing organization 24, each temperature testing organization point are respectively equipped on each single battery It is not connect 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 single battery of positive grade connector lug right side side of corresponding single battery, temperature-sensitive telescopic block and limit temperature insulation Sliding block is all slidably arranged in the lumen 44 of insulation guide pipe, and the left end of temperature-sensitive telescopic block compresses the positive grade for being connected to single battery On the right surface of connector lug, the right end 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 for No. three single batteries 21.
Temperature testing organization further includes push rod 49, lever 50, No.1 cooling extruding spring 51, fixed block 52, sliding 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 lumen of the insulation guide pipe of limit temperature insulation sliding block right, fixed block is fixed on the lumen 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 end of push rod is press-connected the power in lever On arm, the sliding needle of slide rheostat is fixedly connected on the resistance arm of lever, and No.1 cooling squeezes the fixed company in left end of spring It connects on the right surface of power arm of lever, the right end that No.1 cooling squeezes spring is fixedly connected on fixed block, current sensor It is connect 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 sliding needle 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 sliding needle of slide rheostat only becomes in sliding Hindering slide rheostat when sliding on the conductive segment of device just allows to have electric current to flow through, and the size of current that can be flowed through is with sliding pointer Movement and change;When the sliding needle of slide rheostat only non-conductive section of slide rheostat it is upper slide when slide rheostat without Electric current flows through.
Shown in Figure 4, battery connection module includes the output charging connection mechanism equal with single battery number;Each It is solid to export charging connection mechanism includes that telescopic rod is arranged downwards and control terminal is connect with microcontroller cylinder 57, level It is scheduled on the level insulation block 58 of 56 lower end of Telescopic-cylinder bar, is equipped with left conducting block 55 in the lower surface left end of level insulation block, The lower surface right end of level insulation block is equipped with right conducting block 59;Left conducting block and the positive terminal of bulk charging bindiny mechanism are conductive The negative terminals of connection, right conducting block and bulk charging bindiny mechanism are conductively connected.
In the present embodiment, left conducting block is conductive even by the lower positive terminal end 27 of conducting wire 54 and bulk charging bindiny mechanism It connects, right conducting block is conductively connected by the lower negative terminal end 40 of conducting wire 60 and bulk charging bindiny mechanism.
When temperature testing organization detects the temperature of corresponding single battery higher than setting value, microcontroller gives cylinder to issue Instruction is shunk, the telescopic rod of cylinder is shunk, and makes left conducting block and right conducting block disconnected with corresponding single battery anode and cathode respectively It opens.When temperature testing organization detects that the temperature of corresponding single battery is below setting value, microcontroller is issued to cylinder and is received Contracting elongation instruction, the telescopic rod elongation of cylinder, allows left conducting block and right conducting block to compress conductive connection respectively in corresponding monomer On anode and on cathode.To realize single battery in charging because the excess temperature that charging causes single battery temperature excessively high is protected Shield control.Charging security is high.
Shown in Figure 6, the power input of each charger is both electrically connected in a dual power supply mechanism 1, this pair 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, function 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 connect with commercial power interface, high frequency blocking alternating-current converter and charging module respectively, energy-storage units point It is not connect with charging module and discharge module, dual power supply output interface connects with high frequency blocking alternating-current converter and discharge module respectively It connects, dual power supply output interface is also electrically connected with the power input of each charger respectively.
For the present embodiment in charging, voltage checking chip can carry out voltage detecting to corresponding single battery.When some list Body battery can reduce charging current by current limliting module when being full of, and can pass through current limliting when some single battery is not full of far also Module increases charging current.To make voltage contained by single battery identical as far as possible.When each single battery is full of and each list The voltage of body battery can disconnect charge power supply when identical.Or when each single battery and underfill and each single battery Voltage it is identical when can also disconnect charge power supply.It, will not between the single battery of series connection after allowing single battery to be connected in this way There are electric current flowing, the high reliablity of battery.The charging current or charging voltage of each charger between each other can not be identical.Pass through Switching switch can select different chargers to some single battery.The cooperation of switching switch and current limliting module can be needed preferably The single battery to be charged provides charging current and charging voltage in real time, consequently facilitating to the charging progress of each single battery into Row individually control, is also convenient for individually controlling the charging voltage of each single battery.It is examined during the charging process by temperature The temperature of single battery can be detected by surveying mechanism, and can carry out overheat protector control to single battery in charging.Pass through Dual power supply mechanism makes the present embodiment have the function of dual power supply, substantially increases dependable with function.
The present embodiment can make the damage of single single battery will not influence other single battery chargings, and not be battery pack Mutually independent single battery each in battery pack can be sequentially connected in series when charging and become series-connected cell together, be electric The series-connected cell for being sequentially connected in series together in battery pack can be become mutually independent single battery when charging by pond group, to every The charging process of a single battery also can be carried out voltage detecting, and can the charging progress to each single battery individually controlled System, can also the charging voltage to each single battery individually controlled.And excess temperature guarantor can be carried out to single battery in charging Shield control.It is powered using dual power supply mechanism and realizes the uninterrupted power supply of electrical equipment.It is highly-safe, good reliability.
The battery connection module of the present embodiment can will be each mutually indepedent in battery pack when battery pack can be allowed to charge well Single battery be sequentially connected in series and become series-connected cell together, can will be sequentially connected in series in battery pack when for battery pack charging The series-connected cell to link together becomes mutually independent single battery, high reliablity.
The present embodiment, which can improve battery pack in use, can remain each mutually independent list in battery pack Body battery is sequentially connected in series becomes series-connected cell together, high reliablity.
The bulk charging bindiny mechanism of the present embodiment has prevented do not charge Shi Nengrang current limliting module and single battery in battery pack Completely insulated separation is carried out, reliability and safety are improved.
When temperature testing organization detects that the temperature of corresponding single battery is below setting value, microcontroller is sent out to cylinder Elongation instruction is shunk out, and the telescopic rod elongation of cylinder allows left conducting block and right conducting block to compress conductive connection respectively corresponding On single battery anode and on cathode.To realize mistake that single battery causes single battery temperature excessively high because of charging in charging Temperature protection control.Charging security is high.
The working principle of dual power supply mechanism in the present embodiment are as follows: when electric main input is normal, 220V alternating current is through function Rate factor correction module is converted to 400V direct current, and the charged module of the direct current charges to energy-storage units, and simultaneously through high frequency Blocking alternating-current converter is connect the power supply for electrical equipment in loading interfaces.When electric main inputs exception, Active PFC Module and charging module stop working.The deposited electricity of energy-storage units is after discharge module converts directly to connecing in 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 attached drawing, however, the implementation is not limited to the above embodiments, this field Those of ordinary skill can be with various changes and modifications may be made within the scope of the appended claims.

Claims (4)

1. a kind of charging unit that can be carried out batteries monomer charging discharged in series, battery pack is by several mutually independent monomers Battery is sequentially connected in series;It is characterised in that it includes microcontroller and battery connection module, further include respectively with single battery The equal charger of number, switching switch and current limliting module;Battery connection module includes that the body equal with single battery number fills Electrical connection mechanism;Bulk voltage detection chip is respectively equipped in each bulk charging bindiny mechanism;The power supply of each charger exports On a terminals for holding the one-to-one selection end for being connected to switching switch;The one-to-one connection of turning end of each switching switch On one end of current limliting module, the one-to-one bulk charging connection for being connected to battery connection module of the other end of each current limliting module In mechanism;Battery connection module connects on the battery pack, and the control terminal of the battery connection module, each bulk voltage detect core The control terminal of piece, the control terminal of each current limliting module and each switching switch is connect with microcontroller respectively;And in microcontroller Control under, when not be battery pack charging when, battery connection module can by mutually independent single battery each in battery pack according to Secondary be connected in series becomes series-connected cell, and when for battery pack charging, battery connection module will can successively go here and there in battery pack Join the series-connected cell to link together and becomes mutually independent single battery;
Each bulk charging bindiny mechanism includes sliding chamber, the lower horizontal block that insulate, insulated slide block, horizontal block, sliding bar and work in insulation Dynamic horizontal block, the positive terminal of bulk charging bindiny mechanism include upper positive terminal end and lower positive terminal end, and bulk charging connects The negative terminals of connection mechanism include upper negative terminal end and lower negative terminal end;Insulated slide block is slidably arranged in cunning Intracavitary, insulating, the cunning that lower horizontal block is fixed at below insulated slide block is intracavitary, and horizontal block is fixed at insulated slide in insulation Cunning above block is intracavitary, and the cunning that activity horizontal block is moveably positioned in above the upper horizontal block that insulate is intracavitary, upper positive terminal end and upper negative Pole terminal stud is arranged on the lower surface of insulated slide block, and lower positive terminal end and lower negative terminal end are respectively provided with Under insulation on the upper surface of horizontal block, it is equipped with vertical through-hole in upper horizontal block insulating, sliding bar is slidably arranged in vertical through-hole Interior, 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, in insulation Sliding bar between horizontal block and insulated slide block, which is equipped with, pulls open spring, and the both ends for pulling open spring are press-connected respectively is insulating On on the lower surface of the upper horizontal block and upper surface of insulated slide block;Lower electromagnetism is fixed on the upper surface for insulating upper horizontal block Electricity produces when the electromagnetic force and lower electromagnet that iron is equipped with upper electromagnet in activity horizontal block, and generates when the energization of upper electromagnet are led to Raw electromagnetic force attracts each other, and the electromagnetic force generated when the energization of upper electromagnet and the lower electromagnet electromagnetic force that electricity generates when logical Insulated slide block can be pushed to move down after attracting each other, and upper positive terminal end can be compressed and be conductively connected in lower anode On terminal stud and upper negative terminal end can be compressed to conductive connection on lower negative terminal end.
2. the charging unit according to claim 1 that can be carried out batteries monomer charging discharged in series, which is characterized in that set The single battery of battery pack altogether there are three, and set these three single batteries be respectively No.1 single battery, No. two single batteries and No. three single batteries;There are three the bulk charging bindiny mechanism of battery connection module is total, and set these three bulk charging bindiny mechanisms point It Wei not No.1 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, No.1 single-pole double-throw switch (SPDT), No. two single-pole double-throw switch (SPDT)s and single knife switch;No.1 single battery Anode is connected in the turning end of No.1 single-pole double-throw switch (SPDT), and the No.1 contact of No.1 single-pole double-throw switch (SPDT) is connected to No.1 body and fills On the positive terminal of electrical connection mechanism, No. two contacts of No.1 single-pole double-throw switch (SPDT) are connected to the two of No. two single-pole double-throw switch (SPDT)s On number contact, the cathode of No.1 single battery is connected in the negative terminals of No.1 bulk charging bindiny mechanism, No.1 monomer electricity The cathode in pond is also connected in the negative terminals of group power output interface;The anode of No. two single batteries is connected to No. two bodies and fills On the positive terminal of electrical connection mechanism, the anode of No. two single batteries is also connected to the positive terminal of group power output interface On, the cathode of No. two single batteries is connected in the negative terminals of No. two bulk charging bindiny mechanisms, No. two single batteries it is negative Pole is also connected on one end of single knife switch;The cathode of No. three single batteries is connected to the turning end of No. two single-pole double-throw switch (SPDT)s On, the No.1 contact of No. two single-pole double-throw switch (SPDT)s is connected in the negative terminals of No. three bulk charging bindiny mechanisms, No. three monomers The anode of battery is connected on the positive terminal of No. three bulk charging bindiny mechanisms, and the anode of No. three single batteries is also connected to list On the other end of knife-like switch;The control terminal of the No.1 single-pole double-throw switch (SPDT), the control terminal and hilted broadsword of No. two single-pole double-throw switch (SPDT)s The control terminal of switch is connect with microcontroller respectively.
3. the charging unit according to claim 2 that can be carried out batteries monomer charging discharged in series, which is characterized in that institute No. two contacts of No. two contacts and No. two single-pole double-throw switch (SPDT)s of stating No.1 single-pole double-throw switch (SPDT) are normally-closed contact, in battery pack No. two contacts of No.1 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 charging, Battery pack No. two contacts of No.1 single-pole double-throw switch (SPDT) and No. two contacts of No. two single-pole double-throw switch (SPDT)s when not charging to be in and close Conjunction state;The No.1 contact of the No.1 single-pole double-throw switch (SPDT) and the No.1 contact of No. two single-pole double-throw switch (SPDT)s are normally opened touching Point, in battery pack charging, the No.1 contact of No.1 single-pole double-throw switch (SPDT) and the No.1 contact of No. two single-pole double-throw switch (SPDT)s are in Closed state, the No.1 touching of the No.1 contact of No.1 single-pole double-throw switch (SPDT) and No. two single-pole double-throw switch (SPDT)s when battery pack and do not charge Point is in off-state;The single knife switch is in an off state when battery pack charges, and is in when battery pack does not charge Closed state.
4. the charging unit according to claim 1 that can be carried out batteries monomer charging discharged in series, which is characterized in that every The anode of a single battery is one-to-one to be connected electrically on lower positive terminal end, the one-to-one electrical connection of the cathode of each single battery On lower negative terminal end, in the one-to-one electrical connection of anode of the other end of each current limliting module on positive terminal end, often In the one-to-one electrical connection of cathode of the other end of a current limliting module on negative terminal end.
CN201611270700.8A 2016-12-30 2016-12-30 It can be carried out the charging unit of batteries monomer charging discharged in series Active CN107017672B (en)

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CN108631380A (en) * 2017-11-09 2018-10-09 常州格力博有限公司 More batteries communicate common circuit
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201160230Y (en) * 2008-01-10 2008-12-03 周雨方 Battery charger
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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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2721716B1 (en) * 2011-06-17 2017-03-08 Southwest Electronic Energy Corporation Module bypass switch for balancing battery pack system modules with bypass current monitoring

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201160230Y (en) * 2008-01-10 2008-12-03 周雨方 Battery charger
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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