CN105244852A - Battery protection device and new battery - Google Patents
Battery protection device and new battery Download PDFInfo
- Publication number
- CN105244852A CN105244852A CN201510808529.0A CN201510808529A CN105244852A CN 105244852 A CN105244852 A CN 105244852A CN 201510808529 A CN201510808529 A CN 201510808529A CN 105244852 A CN105244852 A CN 105244852A
- Authority
- CN
- China
- Prior art keywords
- lead acid
- acid accumulator
- protection
- component
- battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides a battery protection device and a new battery. The battery protection device comprises multiple protection controllers and multiple lead-acid batteries. The multiple protection controllers and the multiple lead-acid batteries are in one-to-one correspondence connection. Each protection controller detects a power state signal of the corresponding lead-acid battery. According to the power state of the lead-acid battery, charging and discharging of the lead-acid battery are controlled. The novel battery comprises a battery body and a battery protection device. The battery protection device is arranged inside the battery body. Each protection controller is connected with the corresponding lead-acid battery. The multiple lead-acid batteries are serially connected. When charging and discharging control on the multiple lead-acid batteries, individual protection on a corresponding lead-acid battery by a protection controller is carried out, charging and discharging control and protection on the multiple lead-acid batteries are convenient, the service life of a battery pack formed by the multiple lead-acid batteries is prolonged, and stability and safety of power supply of an electric vehicle are improved.
Description
Technical field
The present invention relates to cell art, in particular to a kind of battery protecting apparatus and novel storage battery.
Background technology
At present, along with the fast development of electric automobile, the demand of electric automobile to storage battery also increases greatly, and wherein, the stability of storage battery and power supply safety also seem particularly important.
Current, when electric automobile is powered by lead acid accumulator, the lead acid accumulator of electric automobile is assembled by multiple monomer lead acid storage battery.When the electric quantity of lead-acid storage battery of electric automobile runs low, be directly whole lead acid battery charge by charger, when charging, charger is defaulted as one piece of battery lead acid accumulator and manages, after the sufficient electricity of lead acid accumulator of electric automobile, electric automobile can be continued as and power.In power supply process, lead acid accumulator is protected according to the mean value of monomer lead acid storage battery quantity in lead acid accumulator by automotive control system, ensures lead acid accumulator power supply safety.
When lead acid battery charge, charger cannot obtain the information of single lead acid accumulator; When lead acid accumulator be electric automobile power time, automotive control system is protected single lead acid accumulator with no difference; So, in lead acid battery charge or discharge process, there will be certain monomer lead acid storage battery because overcharging or over-discharge can and damaging, shortening the life-span of monomer lead acid storage battery, and then to affect whole lead acid accumulator be the electric automobile stability of powering and fail safe.
Summary of the invention
In view of this; the object of the embodiment of the present invention is to provide a kind of battery protecting apparatus and novel storage battery; realize when carrying out charge and discharge control to multiple lead acid accumulator; carry out separately protected by protection controller to the lead acid accumulator of correspondence; conveniently charge and discharge control and protection are carried out to multiple lead acid accumulator; extend useful life of battery pack of multiple lead acid accumulator composition, and then rise to stability and fail safe that electric automobile powers.
First aspect, embodiments provides a kind of battery protecting apparatus, and described device comprises: multiple protection controller and multiple lead acid accumulator;
Described multiple protection controller and described multiple lead acid accumulator connect one to one; each described protection controller detects the power state signal of corresponding lead acid accumulator, and the discharge and recharge of power supply status to described lead acid accumulator according to described lead acid accumulator controls.
In conjunction with first aspect, embodiments provide the first possible implementation of above-mentioned first aspect, wherein, described protection controller comprises detecting element, judgment component and protection component;
Described detecting element is connected with described lead acid accumulator and described judgment component, detects the power state signal of described lead acid accumulator, and described power state signal is transferred to described judgment component;
Described judgment component is connected with described protection component, according to described power state signal, judges whether to meet the charge and discharge protecting condition preset, if so, then transmits control signal to described protection component;
Described protection component is connected with described lead acid accumulator, after receiving described control signal, carries out charge and discharge protecting to described lead acid accumulator.
In conjunction with the first possible implementation of first aspect, embodiments provide the implementation that the second of above-mentioned first aspect is possible, wherein, described protection controller also comprises voltage stabilizing element;
Described voltage stabilizing element is connected with described judgment component, after the described control signal receiving the transmission of described judgment component, by described lead acid battery charge voltage stabilization at steady state value.
In conjunction with the first possible implementation of first aspect, embodiments provide the third possible implementation of above-mentioned first aspect, wherein, described protection component also comprises Cross prevention element;
Described Cross prevention element is connected with described judgment component and described lead acid accumulator respectively, when the mistake receiving the transmission of described judgment component puts the control signal of cut-ff voltage, controls the output current of described lead acid accumulator.
In conjunction with the first possible implementation of first aspect, embodiments provide the 4th kind of possible implementation of above-mentioned first aspect, wherein, described protection component comprises overvoltage/undervoltage protection component;
Described overvoltage/undervoltage protection component is connected with described judgment component and described lead acid accumulator, when the control signal that the overvoltage/undervoltage of the transmission receiving described judgment component is protected, carries out overvoltage/undervoltage protection to described lead acid accumulator.
In conjunction with the first possible implementation of first aspect, embodiments provide the 5th kind of possible implementation of above-mentioned first aspect, wherein, described protection component also comprises short circuit protection component;
Described short circuit protection component is connected with described judgment component and described lead acid accumulator respectively, when receiving the control signal of short-circuit protection of described judgment component transmission, carries out short-circuit protection to described lead acid accumulator.
Second aspect, embodiments provides a kind of novel storage battery, described novel storage battery comprise accumulator body and above-mentioned first aspect and first aspect the first to the 5th kind of possible implementation any one described in battery protecting apparatus;
Described battery protecting apparatus is arranged in described accumulator body.
In conjunction with second aspect, embodiments provide the first possible implementation of above-mentioned second aspect, wherein, the lead acid accumulator that each described protection controller is corresponding with it connects;
Connected in series between multiple described lead acid accumulator.
In conjunction with the first possible implementation of second aspect, embodiments provide the implementation that the second of above-mentioned second aspect is possible, wherein, described detecting element detects the power state signal of the lead acid accumulator of its correspondence, and described power state signal is transferred to described judgment component;
Described judgment component, according to described power state signal, judges whether to meet the charge and discharge protecting condition preset, if so, then transmits control signal to described protection component;
The described control signal that described protection component transmits according to the described judgment component received, the speed of lead acid battery charge described in multiple-rank control or electric discharge.
In conjunction with the first possible implementation of second aspect, embodiments provide the third possible implementation of above-mentioned first aspect, wherein, described novel storage battery also comprises Balance route unit;
The detecting element that described Balance route unit is corresponding with each described lead acid accumulator connects, and receives the power state signal of each described lead acid accumulator; According to the power state signal of each described lead acid accumulator, the protection component corresponding to each described lead acid accumulator sends balanced control signal, carries out equalizing charge to control each described lead acid accumulator.
In the battery protecting apparatus provided in the embodiment of the present invention and novel storage battery, battery protecting apparatus comprises multiple protection controller and multiple lead acid accumulator, multiple protection controller and multiple lead acid accumulator connect one to one, each protection controller detects the power state signal of corresponding lead acid accumulator, and the discharge and recharge of power supply status to lead acid accumulator according to lead acid accumulator controls; Novel storage battery comprises accumulator body and battery protecting apparatus, and battery protecting apparatus is arranged in accumulator body, and the lead acid accumulator that each protection controller is corresponding with it connects, by connected in series between multiple lead acid accumulator.Achieve when carrying out charge and discharge control to multiple lead acid accumulator; carry out separately protected by protection controller to the lead acid accumulator of correspondence; conveniently charge and discharge control and protection are carried out to multiple lead acid accumulator; extend useful life of battery pack of multiple lead acid accumulator composition, and then rise to stability and fail safe that electric automobile powers.
For making above-mentioned purpose of the present invention, feature and advantage become apparent, preferred embodiment cited below particularly, and coordinate appended accompanying drawing, be described in detail below.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present invention, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
Figure 1A shows the structural representation of a kind of battery protecting apparatus that the embodiment of the present invention 1 provides;
Figure 1B shows the first schematic diagram of the protection controller that the embodiment of the present invention 1 provides;
Fig. 1 C shows the second schematic diagram of the protection controller that the embodiment of the present invention 1 provides;
Fig. 2 A show the embodiment of the present invention 2 the first schematic diagram of novel storage battery is provided.
Fig. 2 B shows the second schematic diagram of the novel storage battery that the embodiment of the present invention 2 provides.
Description of symbols in above figure is as follows:
1: protection controller, 2: lead acid accumulator;
11: detecting element, 12: judgment component, 13: protection component, 14: voltage stabilizing element;
131: Cross prevention element, 132: overvoltage/undervoltage protection component, 133: short circuit protection component;
S1: accumulator body, S2: battery protecting apparatus, S3: Balance route unit.
Embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.The assembly of the embodiment of the present invention describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiments of the invention provided in the accompanying drawings and the claimed scope of the present invention of not intended to be limiting, but selected embodiment of the present invention is only represented.Based on embodiments of the invention, the every other embodiment that those skilled in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
Consider in prior art, in lead acid battery charge or discharge process, there will be certain monomer lead acid storage battery because overcharging or over-discharge can and damaging, shortening the life-span of monomer lead acid storage battery, and then to affect whole lead acid accumulator be the electric automobile stability of powering and fail safe.Based on this; the invention provides a kind of battery protecting apparatus and novel storage battery; realize when carrying out charge and discharge control to multiple lead acid accumulator; carry out separately protected by protection controller to the lead acid accumulator of correspondence; conveniently charge and discharge control and protection are carried out to multiple lead acid accumulator; extend useful life of battery pack of multiple lead acid accumulator composition, and then rise to stability and fail safe that electric automobile powers.Be described below by embodiment.
Embodiment 1
See Figure 1A, embodiments provide a kind of battery protecting apparatus.This device comprises: multiple protection controller 1 and multiple lead acid accumulator 2;
Multiple protection controller 1 connects one to one with multiple lead acid accumulator 2, and each protection controller 1 detects the power state signal of corresponding lead acid accumulator 2, and the discharge and recharge of power supply status to lead acid accumulator 2 according to lead acid accumulator 2 controls.
Above-mentioned each lead acid accumulator 2 can be monomer lead acid storage battery, also can be the battery pack of multiple monomer lead acid storage battery connection in series-parallel composition.Suppose that the voltage of above-mentioned lead acid accumulator 2 is 12V, the lead acid accumulator 2 of above-mentioned 12V can be monomer 12V lead acid accumulator, also can be the battery pack of the 12V of the lead acid accumulator connection in series-parallel composition of multiple 2V.
Above-mentioned protection controller 1 detects the power state signal of corresponding lead acid accumulator 2 in real time.When above-mentioned protection controller 1 detects the power state signal of this lead acid accumulator 2, charge and discharge control can be carried out according to the voltage of the lead acid accumulator 2 of the correspondence detected or electric current to lead acid accumulator 2.When lead acid accumulator 2 charges, protection controller 1 is according to detecting that the current voltage of lead acid accumulator 2 judges whether lead acid accumulator 2 reaches pre-charge pressure, when lead acid accumulator 2 reaches the ceiling voltage that pre-charge pressure or lead acid accumulator 2 can bear, protection controller 1 control lead acid accumulator 2 stops charging at this voltage, avoids lead acid accumulator 2 overcharge under too high voltage and damage because overcharging, when lead acid accumulator 2 is powered for electric automobile, protection controller 1 is according to detecting that the current voltage of lead acid accumulator 2 judges whether lead acid accumulator 2 has reached default cut-ff voltage, when the minimum voltage that the voltage of lead acid accumulator 2 normally works close to the cut-ff voltage preset or lead acid accumulator 2, protection controller 1 control lead acid accumulator 2 at this voltage gradual change exports corresponding electric current, lead acid accumulator 2 is avoided too fastly to cause battery loss because discharging, also voltage is avoided sharply to reduce and stop powering for electric automobile, thus cause electric automobile to stop travelling.
When electric automobile is powered by above-mentioned battery protecting apparatus, in electric automobile during traveling process, electricity if there is the lead acid accumulator 2 of battery protecting apparatus is not enough, but the current residing environment of electric automobile cannot charge for lead acid accumulator 2 again at once, now, this battery protecting apparatus can according to the needs of actual conditions, control the electric current that lead acid accumulator 2 linearly reduces to export, move ahead according to certain speed of a motor vehicle continuation deceleration to maintain electric automobile, think that the resource finding charging is given security, avoid the too fast electric discharge of lead acid accumulator, electric automobile is caused to rest on the way, bring inconvenience.
See Figure 1B, protection controller 1 comprises detecting element 11, judgment component 12 and protection component 13;
Detecting element 11 is connected with lead acid accumulator 2 and judgment component 12, detects the power state signal of lead acid accumulator 2, and power state signal is transferred to judgment component 12;
Judgment component 12 is connected with protection component 13, according to power state signal, judges whether to meet the charge and discharge protecting condition preset, if so, then transmits control signal to protection component 13.
Protection component 13 is connected with lead acid accumulator 2, upon the reception of control signals, carries out charge and discharge protecting to lead acid accumulator 2.
The charge and discharge protecting condition that lead acid accumulator 2 is preset is provided with in advance in above-mentioned battery electric controller, detecting element 11 detects the current power state signal of lead acid accumulator 2 in real time, and power state signal is transferred to judgment component 12, the power state signal that detecting element 11 transmits by judgment component 12 is compared with the power parameter threshold value in the charge and discharge protecting condition preset, if the voltage in this power state signal or electric current reach voltage or the current threshold of power parameter in default charge and discharge protecting condition, judgment component 12 power state signals judging that detecting element 11 transmits meet default charge and discharge protecting condition, judgment component 12 just transmits control signal to protection component 13.After protection component receives the control signal of judgment component 12, protection component 13 carries out charge and discharge protecting according to control signal to lead acid accumulator 2.
See Figure 1B, protection controller 1 also comprises voltage stabilizing element 14;
Voltage stabilizing element 14 is connected with judgment component 12, after the control signal receiving judgment component 12 transmission, lead acid accumulator 2 charging voltage is stabilized in steady state value.
While above-mentioned judgment component 12 transmits control signal to protection component, control signal is also sent to voltage stabilizing element 14 by judgment component 12.
Above-mentioned voltage stabilizing element 14 can be the voltage stabilizing circuit of voltage stabilizing chip and other electron component device composition.After voltage stabilizing element 14 receives the control signal of judgment component 12 transmission; lead acid accumulator 2 charging voltage is stabilized in steady state value by voltage stabilizing element 14 linearly gradually, needs the magnitude of voltage maintained when this steady state value is lead acid accumulator 2 discharge and recharge after being subject to protection component protection.By above-mentioned voltage stabilizing element 14, after avoiding lead acid accumulator 2 to be subject to protection component protection when discharge and recharge, voltage sharply declines, thus affects the performance of lead acid accumulator 2.
See Fig. 1 C, protection component also comprises Cross prevention element 131;
Cross prevention element 131 is connected with judgment component 12 and lead acid accumulator 2 respectively, when the mistake receiving judgment component 12 transmission puts the control signal of cut-ff voltage, controls the output current of lead acid accumulator 2.
The Cross prevention condition that lead acid accumulator 2 is preset is provided with in advance in above-mentioned battery electric controller.When lead acid accumulator 2 discharges, detecting element 11 detects power state signal current in lead acid accumulator 2 discharge process in real time, and power state signal is transferred to judgment component 12, the power state signal that detecting element 11 transmits by judgment component 12 is compared with the power parameter in the Cross prevention condition preset, if the voltage and current in this power state signal reaches the voltage and current threshold value of power parameter in default Cross prevention condition, judgment component 12 power state signals judging that detecting element 11 transmits meet default Cross prevention condition, judgment component 12 just sent to Cross prevention element 131 and voltage stabilizing element 14 and put control signal.Served as put protection component 131 receive judgment component 12 send mistake put control signal after, Cross prevention element 131 reduces output current linearly according to excessively putting control signal control lead acid accumulator 2, avoid the too fast emptying battery electric quantity of lead acid accumulator 2, Cross prevention is carried out to lead acid accumulator 2; Meanwhile, the mistake that voltage stabilizing element 14 sends according to the judgment component 12 received puts control signal, and the operating voltage of voltage stabilization after being subject to Cross prevention exported by lead acid accumulator 2, lead acid accumulator 2 reduces output current linearly at this voltage.
See Fig. 1 C, protection component comprises overvoltage/undervoltage protection component 132;
Overvoltage/undervoltage protection component is connected with judgment component 12 and lead acid accumulator 2, when the control signal that the overvoltage/undervoltage of the transmission receiving judgment component 12 is protected, carries out overvoltage/undervoltage protection to lead acid accumulator 2.
The overvoltage/undervoltage protective condition that lead acid accumulator 2 is preset is provided with in advance in above-mentioned battery electric controller.When lead acid accumulator 2 charges, detecting element 11 detects power state signal current in lead acid accumulator 2 charging process in real time, and power state signal is transferred to judgment component 12, the power state signal that detecting element 11 transmits by judgment component 12 is compared with the power parameter in the overvoltage/undervoltage protective condition preset, if the voltage in this power state signal exceedes the voltage threshold of power parameter in default overvoltage protection condition, judgment component 12 power state signals judging that detecting element 11 transmits meet default overvoltage protection condition, judgment component 12 just sends overvoltage control signal to overvoltage/undervoltage protection component 132.Serve as after under-voltage protection element 132 receives the overvoltage control signal of judgment component 12; overvoltage/undervoltage protection component 132 controls lead acid accumulator 2 according to overvoltage control signal and stops charging at this voltage; overvoltage protection is carried out to lead acid accumulator 2; simultaneously; the overvoltage control signal that voltage stabilizing element 14 sends according to the judgment component 12 received; the charging voltage of lead acid accumulator 2 is stabilized in voltage when charging normal, and lead acid accumulator 2 recovers to charge normal at this voltage.If the voltage in this power state signal is lower than the voltage threshold of power parameter in the under-voltage protection condition preset; judgment component 12 power state signals judging that detecting element 11 transmits meet default under-voltage protection condition, and judgment component 12 just sends under-voltage control signal to overvoltage/undervoltage protection component 132.Served as after under-voltage protection element 132 receives the under-voltage control signal of judgment component 12, overvoltage/undervoltage protection component 132 controls lead acid accumulator 2 according to under-voltage control signal and stops charging at this voltage, carries out under-voltage protection to lead acid accumulator 2; Meanwhile, the under-voltage control signal that voltage stabilizing element 14 sends according to the judgment component 12 received, is stabilized in voltage when charging normal by the charging voltage of lead acid accumulator 2, and lead acid accumulator 2 recovers to charge normal at this voltage.
See Fig. 1 C, protection component also comprises short circuit protection component 133;
Short circuit protection component 133 is connected with judgment component 12 and lead acid accumulator 2 respectively, when receiving the control signal of the short-circuit protection that judgment component 12 is transmitted, carries out short-circuit protection to lead acid accumulator 2.
The short-circuit protection condition that lead acid accumulator 2 is preset is provided with in advance in above-mentioned battery electric controller, detecting element 11 detects the power state signal that lead acid accumulator 2 is current in real time, and power state signal is transferred to judgment component 12, the power state signal that detecting element 11 transmits by judgment component 12 is compared with the power parameter in the charge and discharge protecting condition preset, if the electric current in this power state signal exceedes the current threshold certain multiple of power parameter in default charge and discharge protecting condition, judgment component 12 power state signals judging that detecting element 11 transmits meet default short-circuit protection condition, judgment component 12 just sends fault control signal to protection component.After protection component receives the fault control signal of judgment component 12; protection component is according to the charge-discharge circuit of fault control signal cut lead acid accumulator 2; short-circuit protection is carried out to lead acid accumulator 2, avoids lead acid accumulator 2 to damage because of short circuit or cause the damage of electric automobile.
When the power up of lead acid accumulator 2 is normal; namely when power state signal does not meet above-mentioned default Cross prevention condition, overvoltage protection condition, under-voltage protection conditioned disjunction short-circuit protection condition; Cross prevention element 131, overvoltage/undervoltage protection component 132 or short circuit protection component 133 automatically terminate Cross prevention to lead acid accumulator 2, overvoltage/undervoltage protection or short-circuit protection, and lead acid accumulator 2 continues to carry out discharge and recharge according to normal power supply status.
In the battery protecting apparatus that the present embodiment provides; this device comprises: multiple protection controller and multiple lead acid accumulator; multiple protection controller and multiple lead acid accumulator connect one to one; each protection controller detects the power state signal of corresponding lead acid accumulator, and the discharge and recharge of power supply status to lead acid accumulator according to lead acid accumulator controls.Achieve when carrying out charge and discharge control to multiple lead acid accumulator; carry out separately protected by protection controller to the lead acid accumulator of correspondence; conveniently charge and discharge control and protection are carried out to multiple lead acid accumulator; extend useful life of battery pack of multiple lead acid accumulator composition, and then rise to stability and fail safe that electric automobile powers.
Embodiment 2
See Fig. 2 A, embodiments provide a kind of novel storage battery.This novel storage battery comprises the battery protecting apparatus S2 of accumulator body S1 and above-mentioned enforcement 1;
Battery protecting apparatus S2 is arranged in accumulator body S1.
The lead acid accumulator that each protection controller is corresponding with it connects;
Logical connected in series between multiple lead acid accumulator, as shown in Figure 2 B.
Be that electric automobile is powered by above-mentioned novel storage battery; novel storage battery carries out protecting control by battery protection controller to the lead acid accumulator of correspondence; when some lead acid accumulators break down; the protection controller that this lead acid accumulator is corresponding can carry out protecting control to this lead acid accumulator automatically, can not affect the normal work of other lead acid accumulator.When novel storage battery because the lead acid accumulator cisco unity malfunction of fault time, only need carry out troubleshooting to the lead acid accumulator of fault or recover normally to recover novel storage battery normally working, so, the characteristic of self of novel storage battery can not be affected, the useful life of novel storage battery can also be extended.
See Fig. 2 B, detecting element detects the power state signal of the lead acid accumulator of its correspondence, and power state signal is transferred to judgment component;
Judgment component, according to power state signal, judges whether to meet the charge and discharge protecting condition preset, if so, then transmits control signal to protection component.
The control signal that protection component transmits according to the judgment component received, the speed of multiple-rank control lead acid battery charge or electric discharge.
The charge and discharge protecting condition that lead acid accumulator is preset is provided with in advance in the protection controller of the battery protecting apparatus S2 of above-mentioned novel storage battery, novel storage battery in discharge and recharge time, the detecting element of protection controller detects the power state signal that lead acid accumulator is current in real time, and power state signal is transferred to judgment component, the power state signal that detecting element transmits by judgment component is compared with the power parameter in the charge and discharge protecting condition preset, if the voltage and current in this power state signal reaches the voltage and current threshold value of power parameter in default charge and discharge protecting condition, judgment component then judges that the power state signal that detecting element transmits meets default charge and discharge protecting condition, judgment component just transmits control signal to protection component.After protection component receives the control signal of judgment component; protection component carries out charge and discharge protecting according to control signal to lead acid accumulator; the speed of multiple-rank control lead acid battery charge or electric discharge; to make output voltage and the electric current linear change of lead acid accumulator, thus the performance of protection lead acid accumulator.
See Fig. 2 B, novel storage battery also comprises Balance route cell S 3;
Balance route cell S 3 detecting element corresponding with each lead acid accumulator connects, and receives the power state signal of each lead acid accumulator; According to the power state signal of each lead acid accumulator, the protection component corresponding to each lead acid accumulator sends balanced control signal, carries out equalizing charge to control each lead acid accumulator.
When the quantity of the lead acid accumulator that the battery protecting apparatus S2 in novel storage battery comprises is more, the Balance route cell S 3 arranged by novel storage battery can control all lead acid accumulator balance charge/discharges.Wherein, Balance route cell S 3 is according to the power state signal of this lead acid accumulator of the detecting element transmission of protection controller corresponding to each lead acid accumulator, detect this lead acid accumulator and whether reach charge-discharge power demand, when detecting that certain lead acid accumulator reaches charge-discharge power demand, Balance route cell S 3 sends balanced control signal to the protection component of protection controller corresponding to certain lead acid accumulator, protection component is protected accordingly according to the lead acid accumulator of balanced control signal to correspondence, stable lead acid accumulator charging voltage now or discharging current, prevent from lead acid accumulator from overcharging or cross putting, thus other lead acid accumulator not reaching charge-discharge power demand can continue normal discharge and recharge, until novel storage battery reaches charging requirement.
When the lead acid accumulator of the battery protecting apparatus S2 of novel storage battery is the battery of lead acid accumulator composition of multiple monomer, when novel storage battery discharge and recharge, Balance route element also controls the discharge and recharge of the monomer lead acid storage battery of this lead acid accumulator, when certain monomer lead acid storage battery reaches charge-discharge power demand, Balance route cell S 3 sends balanced control signal to the protection component of protection controller corresponding to this lead acid accumulator, protection component is protected accordingly according to balanced control signal certain monomer lead acid storage battery to the lead acid accumulator of correspondence, stablize this monomer lead acid storage battery charging voltage now or discharging current, prevent from this monomer lead acid storage battery from overcharging or cross putting, thus other monomer lead acid storage battery not reaching charge-discharge power demand can continue normal discharge and recharge, until this lead acid accumulator reaches charging requirement.
In embodiments of the present invention, this novel storage battery novel comprises the battery protecting apparatus of accumulator body and above-described embodiment 1, and the lead acid accumulator that each protection controller is corresponding with it connects, by connected in series between multiple lead acid accumulator.Achieve when carrying out charge and discharge control to multiple lead acid accumulator; carry out separately protected by protection controller to the lead acid accumulator of correspondence; conveniently charge and discharge control and protection are carried out to multiple lead acid accumulator; extend useful life of battery pack of multiple lead acid accumulator composition, and then rise to stability and fail safe that electric automobile powers.
In several embodiments that the application provides, should be understood that disclosed system and method can realize by another way.System embodiment described above is only schematic.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection range of claim.
Claims (10)
1. a battery protecting apparatus, is characterized in that, described device comprises: multiple protection controller and multiple lead acid accumulator;
Described multiple protection controller and described multiple lead acid accumulator connect one to one; each described protection controller detects the power state signal of corresponding lead acid accumulator, and the discharge and recharge of power supply status to described lead acid accumulator according to described lead acid accumulator controls.
2. device according to claim 1, is characterized in that, described protection controller comprises detecting element, judgment component and protection component;
Described detecting element is connected with described lead acid accumulator and described judgment component, detects the power state signal of described lead acid accumulator, and described power state signal is transferred to described judgment component;
Described judgment component is connected with described protection component, according to described power state signal, judges whether to meet the charge and discharge protecting condition preset, if so, then transmits control signal to described protection component;
Described protection component is connected with described lead acid accumulator, after receiving described control signal, carries out charge and discharge protecting to described lead acid accumulator.
3. device according to claim 2, is characterized in that, described protection controller also comprises voltage stabilizing element;
Described voltage stabilizing element is connected with described judgment component, after the described control signal receiving the transmission of described judgment component, by described lead acid battery charge voltage stabilization at steady state value.
4. device according to claim 2, is characterized in that, described protection component also comprises Cross prevention element;
Described Cross prevention element is connected with described judgment component and described lead acid accumulator respectively, when the mistake receiving the transmission of described judgment component puts the control signal of cut-ff voltage, controls the output current of described lead acid accumulator.
5. device according to claim 2, is characterized in that, described protection component comprises overvoltage/undervoltage protection component;
Described overvoltage/undervoltage protection component is connected with described judgment component and described lead acid accumulator, when the control signal that the overvoltage/undervoltage of the transmission receiving described judgment component is protected, carries out overvoltage/undervoltage protection to described lead acid accumulator.
6. device according to claim 2, is characterized in that, described protection component also comprises short circuit protection component;
Described short circuit protection component is connected with described judgment component and described lead acid accumulator respectively, when receiving the control signal of short-circuit protection of described judgment component transmission, carries out short-circuit protection to described lead acid accumulator.
7. a novel storage battery, is characterized in that, described novel storage battery comprises accumulator body and the battery protecting apparatus described in any one of the claims 1-6;
Described battery protecting apparatus is arranged in described accumulator body.
8. novel storage battery according to claim 7, is characterized in that,
The lead acid accumulator that each described protection controller is corresponding with it connects;
Connected in series between multiple described lead acid accumulator.
9. novel storage battery according to claim 7, is characterized in that,
Described detecting element detects the power state signal of the lead acid accumulator of its correspondence, and described power state signal is transferred to described judgment component;
Described judgment component, according to described power state signal, judges whether to meet the charge and discharge protecting condition preset, if so, then transmits control signal to described protection component;
The described control signal that described protection component transmits according to the described judgment component received, the speed of lead acid battery charge described in multiple-rank control or electric discharge.
10. novel storage battery according to claim 7, is characterized in that, also comprises Balance route unit;
The detecting element that described Balance route unit is corresponding with each described lead acid accumulator connects, and receives the power state signal of each described lead acid accumulator; According to the power state signal of each described lead acid accumulator, the protection component corresponding to each described lead acid accumulator sends balanced control signal, carries out equalizing charge to control each described lead acid accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510808529.0A CN105244852B (en) | 2015-11-19 | 2015-11-19 | A kind of battery protecting apparatus and accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510808529.0A CN105244852B (en) | 2015-11-19 | 2015-11-19 | A kind of battery protecting apparatus and accumulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105244852A true CN105244852A (en) | 2016-01-13 |
| CN105244852B CN105244852B (en) | 2018-06-26 |
Family
ID=55042387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510808529.0A Expired - Fee Related CN105244852B (en) | 2015-11-19 | 2015-11-19 | A kind of battery protecting apparatus and accumulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105244852B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101752844A (en) * | 2008-12-18 | 2010-06-23 | 凹凸电子（武汉）有限公司 | Device, system and method for protection of battery |
| CN102377198A (en) * | 2010-08-23 | 2012-03-14 | 北京国强环球科技发展有限公司 | Rechargeable battery |
| CN104577995A (en) * | 2015-01-27 | 2015-04-29 | 安泰立 | Lithium battery protection circuit device with fly-wheel circuit |
-
2015
- 2015-11-19 CN CN201510808529.0A patent/CN105244852B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101752844A (en) * | 2008-12-18 | 2010-06-23 | 凹凸电子（武汉）有限公司 | Device, system and method for protection of battery |
| CN102377198A (en) * | 2010-08-23 | 2012-03-14 | 北京国强环球科技发展有限公司 | Rechargeable battery |
| CN104577995A (en) * | 2015-01-27 | 2015-04-29 | 安泰立 | Lithium battery protection circuit device with fly-wheel circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105244852B (en) | 2018-06-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102545291B (en) | Solar power storage system and solar power supply system | |
| CN104253469A (en) | Secondary battery pack charging and discharging management system | |
| KR20170013537A (en) | An energy storage and control system having battery management and communication function | |
| CN102856612A (en) | Mixed power source system | |
| CN101969214A (en) | Battery pack and control method thereof | |
| CN106450517B (en) | battery module combination system | |
| CN105406559A (en) | Battery management system for low-speed electric vehicle | |
| CN104085312A (en) | Battery management system of electric car | |
| CN203377638U (en) | Switching-type battery pack charging discharging protection equalization circuit | |
| CN201290020Y (en) | Voltage equalizing charge circuit for lithium battery set | |
| CN109301908A (en) | Quick charging system, charging method and aerial lift device | |
| JP4633615B2 (en) | Battery pack and method of charging the battery pack | |
| JP6305930B2 (en) | Vehicle power supply for regenerative braking | |
| CN203456930U (en) | Compound energy system | |
| CN202957657U (en) | Standby battery switching protection circuit of vehicle-mounted GPS terminal | |
| CN111404237A (en) | Onboard charging controller for battery with taps and control method thereof | |
| CN112918325B (en) | Method for realizing kinetic energy recovery by completely relying on lithium battery | |
| CN205355792U (en) | Protection of secondary battery and novel battery | |
| CN212183150U (en) | Airborne charging controller for battery with tap | |
| CN105244852A (en) | Battery protection device and new battery | |
| CN101826743A (en) | Lithium power battery pack for electric automobile | |
| CN111525659A (en) | Battery management system based on CAN communication and battery charging and discharging method | |
| CN201656524U (en) | Lithium-powered battery pack of electric automobile | |
| CN104578239A (en) | Charge/discharge protection circuit of dual-redundancy lithium battery | |
| CN109787327A (en) | A kind of lithium ionic cell module management circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180626 Termination date: 20211119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |