CN218975534U - Lead-acid battery pack - Google Patents
Lead-acid battery pack Download PDFInfo
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- CN218975534U CN218975534U CN202221883746.8U CN202221883746U CN218975534U CN 218975534 U CN218975534 U CN 218975534U CN 202221883746 U CN202221883746 U CN 202221883746U CN 218975534 U CN218975534 U CN 218975534U
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model discloses a lead-acid battery pack, which comprises a first power supply module and a second power supply module, wherein the first power supply module and the second power supply module are connected in series, the first power supply module comprises single batteries, the single batteries of the first power supply module are provided with a battery single cell number M, and the second power supply module comprises a distribution single cell. The utility model also protects a power supply allocation module. The lead-acid battery pack and the matched power supply module can prolong the service life of the battery.
Description
Field of the art
The utility model relates to the field of lead-acid storage batteries.
(II) background art
In order to ensure the installation efficiency, for example, a 48V20AH battery pack is formed by connecting 4 batteries of 12V20AH in series, each battery is provided with 6 single grids, and 5 batteries of 12V20AH are connected in series by 60V20AH, each battery is provided with 6 single grids, in order to match the power of the motor of the existing electric bicycle, the voltage of the lead-acid battery pack is ensured, the single batteries are usually required to reach the corresponding voltage, the acid liquor density of the current battery single grids is usually set to be higher, the acid liquor density of the current acid liquor on the lead-acid battery is usually 1.38, however, the higher acid liquor density will have adverse effect on the service life of the battery, the acid ratio can be obviously improved by properly reducing the acid ratio, however, the reduction of the battery voltage can be brought about, if the number of the batteries connected in series is increased, for example, the voltage of the battery pack is increased too high by increasing 1 battery of 12V20AH, and the problem of mismatching with the motor power of the electric bicycle can be caused, and the installation is inconvenient at the same time.
(III) summary of the utility model
The utility model discloses a lead-acid battery pack, which comprises a first power supply module and a second power supply module, wherein the first power supply module and the second power supply module are connected in series, the first power supply module comprises single batteries, the single batteries of the first power supply module are provided with a battery single cell number M, and the second power supply module comprises a distribution single cell.
Further, the sulfuric acid density in the battery cells of the battery pack is ρ, and the value of Q is (1.38- ρ) M (x+k)/(ρ+0.845) rounded.
Further, the second power supply module comprises single batteries, and the number of the single batteries of the second power supply module is more than or equal to 1 and less than M.
Further, the battery cells of the unit cells of the first power supply module and the battery cells of the unit cells of the second power supply module have the same parameters.
Further, the number M of battery cells of the single battery of the first power supply module is 6, the number X of single battery of the first power supply module is 4, the total number Q of allocated cells of the second power supply module is equal to 1, and the total number P of battery cells of the second power supply module is equal to 1.
Further, the number M of battery cells of the single battery of the first power supply module is 6, the number X of single battery of the first power supply module is 3, the total number Q of allocated cells of the second power supply module is equal to 1, and the total number P of battery cells of the second power supply module is 7.
Further, the number M of battery cells of the single battery of the first power supply module is 6, the number X of single battery of the first power supply module is 5, the total number Q of allocated cells of the second power supply module is equal to 2, and the total number P of battery cells of the second power supply module is equal to 2.
Further, the number M of battery cells of the single battery of the first power supply module is 6, the number X of single battery of the first power supply module is 4, the total number Q of allocated cells of the second power supply module is 2, and the total number P of battery cells of the second power supply module is 8.
Further, the number M of battery cells of the single battery of the first power supply module is 6, the number X of single battery of the first power supply module is 3, the total number Q of allocated cells of the second power supply module is 2, and the total number P of battery cells of the second power supply module is 14.
Further, the number of the single batteries of the second power supply module is 2, and the single batteries comprise a distribution unit cell.
Further, the voltage of the first power supply module is greater than the voltage of the second power supply module.
Further, the lead-acid battery pack is a power lead-acid battery pack.
The utility model also provides a battery pack, and a lead-acid battery pack is arranged in the battery pack.
The utility model also provides an electric vehicle, and the electric vehicle is provided with the lead-acid battery pack.
The utility model also provides an electric vehicle provided with the battery pack.
The utility model also protects a distribution power supply module, the total number of battery cells of the distribution power supply module is P, the distribution power supply module comprises distribution cells, the total number of the distribution cells is Q, the acid liquor density in the cells is rho, rho is less than 1.38g/cm < 2 >, and the distribution power supply module is characterized in that the distribution power supply module is used in series connection with a basic power supply module with the number of the battery cells being M and the acid liquor density in the cells being rho, so that the condition that P=KM+Q is met, and K is an integer greater than or equal to 0.
Further, Q satisfies 1 or more and less than M.
Further, the number of the single batteries of the basic power supply module is X, and the value of Q is (1.38- ρ) M (X+K)/(ρ+0.845) and is rounded.
Further, the voltage of the allocated power supply module is smaller than the voltage of the basic power supply module.
Further, the deployment power supply module comprises 1 deployment cell.
Further, the M is 6, and the total number of the single cells of the power supply allocation module is 1 or 7.
Further, the deployment power module includes 2 deployment cells.
Further, the M is 6, and the total number of the single cells of the power supply allocation module is 2 or 8 or 14.
Further, the number of the single batteries of the power supply allocation module is two.
Further, the power allocation module is a power allocation power supply module.
The lead-acid battery pack and the matched power supply module can prolong the service life of the battery.
(IV) description of the drawings
FIG. 1 shows a first embodiment of a lead acid battery of the present utility model;
FIG. 2 shows a second embodiment of a lead acid battery of the present utility model;
FIG. 3 shows a third embodiment of a lead acid battery of the present utility model;
FIG. 4 shows a fourth embodiment of a lead acid battery of the present utility model;
fig. 5 shows a fifth embodiment of the lead acid battery of the utility model.
(fifth) detailed description of the utility model
The utility model will be further described with reference to the following specific examples, but the scope of the utility model is not limited thereto:
the lead-acid battery pack 1000 of the present utility model includes a first power supply module 100 and a second power supply module 200, the first power supply module 100 and the second power supply module 200 are connected in series (not shown in the figure), the voltage of the lead-acid battery pack 1000 is U, the first power supply module 100 includes a single cell 10, the single cell 10 has a cell 1, the number M of the single cells 10 of the first power supply module 100 is shown as 6, the second power supply module 200 includes an allocation cell 2, one allocation cell is a single cell 20 in fig. 1, the total number P of the cells of the second power supply module 200 is equal to the total number Q of allocation cells in fig. 1, the sulfuric acid density in the cells of the battery pack 1000 is ρ, the number X of the single cells of the first power supply module 100 is the total number MX of the cells of the first power supply module at this time, the total number Q of allocation cells of the second power supply module 200 is 1 or more and M or less, the lead-acid battery cells of the second power supply module 200 are connected in series, the allocation cell 20 is shown as 6, the allocation cell is shown in fig. 1, the total number P of the allocation cells of the lead-acid battery pack 1000 satisfies the following series relation of 62: U/(MX+Q) -0.845<1.38. The total number Q of the allocated single cells of the second power supply module is (1.38-rho) MX/(rho+0.845) and is rounded by one method. In fig. 1, one unit cell is formed by one unit cell, and a plurality of unit cells can be optionally combined to form one unit cell according to needs, for example, 2 unit cells can be combined to form one unit cell, or more unit cells can be combined to form a plurality of unit cells. In addition, in the lead-acid battery pack of the present utility model, any number of the allocated cells of the second power supply module may be integrally formed with at least a portion of the single cells of the first power supply module, so that the single cells of the second power supply module form single cells including m+1 or m+2 or more different numbers of single cells, where the total number p=km+q of the single cells of the second power supply module is the number of single cells formed by integrating Q allocated cells with the single cells of the first power supply module, K is an integer greater than or equal to 0, as shown in fig. 2, where the number K of single cells formed by integrating allocated cells with the single cells of the first power supply module is 0, and as shown in fig. 2, the number K of single cells formed by integrating allocated cells with the single cells of the first power supply module is 1, and as such, U, M, X, Q, K satisfies the following relationships: u/[ M (X+K) +Q ] is-0.845 <1.38, and Q is (1.38- ρ) M (X+K)/(ρ+0.845) rounded, preferably by one method. As shown in fig. 3, the number of the allocated cells Q is 2, the number of the unit cells K formed by integrating the allocated cells and the unit cells of the first power supply module is 2, and similarly, U, M, X, Q, K satisfies the following relationship: u/[ M (X+K) +Q ] is-0.845 <1.38, and Q is (1.38- ρ) M (X+K)/(ρ+0.845) rounded, preferably by one method. As shown in fig. 4, at this time, the number of the allocated cells Q is 2, the number K of the unit cells integrally formed by the 2 allocated cells and the unit cells of the first power supply module is 1, and similarly, U, M, X, Q, K satisfies the following relationship: u/[ M (X+K) +Q ] is-0.845 <1.38, Q is (1.38- ρ) M (X+K)/(ρ+0.845), and is preferably rounded by one method, and under the same conditions, such as battery voltage and acid ratio, the number of the single batteries of the first power supply module in FIG. 4 is 1 more than the number of the single batteries of the first power supply module in FIG. 3. The number of the single batteries of the second power supply module is more than or equal to 1 and less than M. Through the allocation unit cell, under the condition that the voltage of the lead-acid storage battery pack is ensured and the power of the electric vehicle motor is met, the acid ratio can be reduced, the service life of the battery pack is obviously prolonged, the riding experience of a user is not influenced, and different installation modes of the battery pack allocation unit cell can accord with different installation environments and adapt to different application scenes. The battery cell 1 of the first power supply module 100 and the battery cell 2 of the second power supply module 200 of the present utility model are preferably identical, such as identical cell voltages, cell capacities, cell volumes, cell sizes, etc. The number of the allocation cells set in this embodiment is the optimal way of setting the number of allocation cells in the present utility model, and of course, the number of allocation cells may be increased or decreased according to the required voltage of the battery pack matching the motor power. The voltage of the first power supply module is preferably higher than that of the second power supply module, so that standardized mass production of the first power supply module and the second power supply module is facilitated, and the production efficiency and the assembly efficiency are improved. When the total number P of the single cells of the second power supply module is higher than the number M of the single cells of the first power supply module, the single cells are allocated to be the remaining single cells of the second power supply module after kM (K is an integer greater than or equal to 0) single cells are removed, and when the total number P of the single cells of the second power supply module is lower than the number M of the single cells of the first power supply module, the single cells are allocated to be all the single cells of the second power supply module.
The power supply modules in the battery pack can be combined and matched according to the service life of the battery, for example, when the voltage of the battery pack is determined according to the power requirement of the motor of the electric vehicle, the acid ratio of the battery is determined according to the service life of the battery, the number of the first power supply modules and the number of the single cells are set, the voltage drop is calculated, the voltage of the allocation single cells of the second power supply modules is calculated, and the number of the allocation single cells of the second power supply modules is calculated. The allocation unit cells of the second power supply module can be a single cell, or a plurality of allocation unit cells can be formed into a single cell, or all allocation unit cells of the second power supply module are combined with a single cell of the first power supply module to form a single cell, that is, any number of allocation unit cells of the second power supply module can be combined with corresponding single cells of the first power supply module to form single cells according to requirements, and the number or the installation mode of allocation unit cells of the second power supply module can adapt to different installation environments or application scenes.
Taking the current nominal 48V20AH lead-acid storage battery pack matched electric vehicle motor power 400W as an example: the 48V20AH lead-acid storage battery pack is formed by connecting 4 12V20AH single batteries in series, wherein each single battery has 6 single lattices, and the total number of the single lattices is 24, and the sulfuric acid density in the single lattices, namely the acid ratio, is 1.38g/cm 2 In order to improve the service life of the 48V20AH lead-acid storage battery, referring to FIG. 1, the lead-acid storage battery of the utility model reduces the acid ratio in the original four 12V20AH single batteries to 1.33g/cm 2 The lead-acid storage battery pack comprises a first power supply module and a second power supply module, wherein the first power supply module is provided with 4 single batteries, each single battery is provided with 6 single batteries, the second power supply module is connected with the first power supply module in series, the total number of the single batteries of the second power supply module is P=KM+Q, K is 0, the number of the single batteries to be allocated is calculated and allocated is Q= (1.38- ρ) M (X+K)/(ρ 0.845), namely Q= (1.38-1.33) 6 (4+0)/(1.33+0.845), Q= (1.38-1.33) 6*4/(1.33+0.845) =0.551, the total number of the single batteries of the second power supply module is 1, at the moment, the number of the allocated single batteries to be allocated can be determined under a certain voltage of the battery pack, namely the number of the single batteries of the second power supply module is 1, in addition, the lead-acid storage battery pack can be independently formed, the number of the single batteries to be allocated can be adjusted, and the single batteries of the first power supply module can be adjusted, and the single batteries of the second power supply module is provided with 7 single batteries, and the single batteries are provided with 1 single batteries, and the single batteries of the first power supply module is provided with 7, and the single batteries with 1 power supply unit and 7, and the single batteries are provided with 7 and with the single batteries. Because of the reduction of the acid ratio, the service life is obviously prolonged, in addition, the voltage (1.33+0.845) of the first power supply module of the lead-acid storage battery pack is 24=52.2V, the voltage of the second power supply module is 1.33+0.845=2.175V, the voltage of the lead-acid storage battery pack is (1.33+0.845) 25= 54.375V, and the voltage value (1.38+0.845) 24=53.4V of the lead-acid storage battery pack is slightly higher than the voltage value (1.38+0.845) of the lead-acid storage battery pack when the acid ratio is 1.38, the power of the electric vehicle motor 400W can be matched, and the use is not influencedThe user experiences riding. Meanwhile, different single numbers and single cells of the lead-acid storage battery pack can adapt to different installation environments or application scenes.
Taking the current nominal 60V20AH lead-acid storage battery pack matched electric vehicle motor power of 500W as an example: the 60V20AH lead-acid storage battery pack is formed by connecting 5 12V20AH single batteries in series, 6 single lattices are arranged in each single battery, 30 single lattices are arranged in total, the density of sulfuric acid in each single lattice, namely the acid ratio, is 1.38g/cm < 2 >, in order to improve the service life of the 60V20AH lead-acid storage battery pack, the lead-acid storage battery pack reduces the acid ratio in the original 5 12V20AH single batteries to 1.30g/cm < 2 >, namely the first power supply module of the lead-acid storage battery pack is provided with 5 single batteries, each single battery is provided with 6 single lattices, the second power supply module is connected with the first power supply module in series, the total number of the single lattices of the second power supply module is P=KM+Q, K is 1, the formulated single lattice Q= (1.38-rho) M (X+K)/(rho+0.845) is calculated, namely, q= (1.38-1.30) 6 (4+1)/(1.30+0.845) =1.1, and further, the whole method is 2, the total number of battery cells of the second power supply module is p=8, at this time, the number of allocated cells to be allocated under a certain voltage and a certain acid ratio of the battery pack can be determined, at this time, the allocated cells can independently form one single battery, namely, the number of single batteries of the second power supply module is 1 cell and 2 cells is 2, or the number of single batteries of the second power supply module is 1, in addition, the lead-acid battery pack of the utility model can also adjust the number of the first power supply module and the single cells of the second power supply module, for example, the first power supply module is provided with 4 single batteries, each single battery is provided with 6 single cells, the second power supply module is provided with 1 single battery, and the single battery is provided with 8 single cells, namely, as shown in fig. 5; or the first power supply module has 3 single cells, each single cell has 6 single cells, the second power supply module has 2 single cells, and the 1 single cell has 7 single cells, wherein p=km+q=2×6+2=14. In this case, the service life of the lead-acid battery pack of the present utility model will be significantly improved due to the reduction of the acid ratio, in addition, the voltage (1.30+0.845) of the first power supply module of the lead-acid battery pack of the present utility model is 24= 51.48V, the voltage (1.30+0.845) of the second power supply module is 8=17.16V, or the voltage (1.30+0.845) of the first power supply module is 18=38.61V, the voltage (1.30+0.845) of the second power supply module is 14=30.03V, and the voltage of the battery pack of the present utility model is (1.30+0.845) 32=68.64V, which is slightly higher than the voltage value (1.38+0.845) of the lead-acid battery pack when the acid ratio is 1.38, so that the voltage value of the battery pack of the present utility model is 30=66.75V can be completely matched with the power of the electric vehicle motor 500W and the motor controller. Meanwhile, the riding experience of the user is not affected. Meanwhile, different single numbers and single cells of the lead-acid storage battery pack can adapt to different installation environments or application scenes.
The utility model also discloses a battery pack, and the lead-acid battery pack is arranged in the battery pack. The utility model also discloses an electric vehicle, and the electric vehicle is provided with the lead-acid battery pack or the battery pack.
The utility model also discloses a distribution power supply module, which comprises distribution single cells, wherein the total number of the distribution single cells is Q, the acid liquor density in the single cells is rho, rho is less than 1.38g/cm < 2 >, the distribution power supply module is used for being connected in series with a basic power supply module with the number of the battery single cells of a single battery being M and the acid liquor density in the single cell being rho, and the Q is more than or equal to 1 and less than M. The total number of battery cells of the allocated power supply module is P, P=KM+Q, K is an integer greater than or equal to 0, the number of the battery cells of the basic power supply module is X, the value of Q is preferably (1.38- ρ) M (X+K)/(ρ 0.845), and the whole is preferably one-bit. The acid liquor density in the single lattice is rho=U/[ M (X+K) +Q ] to 0.845. The allocated power supply module and the basic power supply module are preferably lead-acid power supply modules, and the allocated power supply module can be used in series with the basic power supply module, so that the requirements of electric vehicles, especially electric bicycle motors, battery life, different installation environments and different application scenes can be met, and the aims can be achieved under the condition that the structure of the existing basic power supply module is not changed. In addition, the voltage of the allocated power supply module is preferably smaller than that of the basic power supply module, so that standardized batch production of the allocated power supply module and the basic power supply module is facilitated, and the production efficiency and the assembly efficiency are improved. The power supply allocation module can be 1 allocation unit cell, the total number of unit cells of the power supply allocation module is 1, at the moment, K=0, and the total number of unit cells of the power supply allocation module is 7, namely in the form of 1X7, at the moment, k=1; the number of the single cells of the allocation power supply module is 2, the total number of the single cells of the allocation power supply module is 2, one single cell comprises two single cells, two single cells can be used, each single cell is provided with one single cell, at the moment, K=0, the total number of the single cells of the allocation power supply module is 8, namely one single cell in the form of 1X8, or one single cell in the form of 1X7 and one single cell, at the moment, K=1, or the total number of the single cells of the allocation power supply module is 14, namely two single cells in the form of 1X7, at the moment, K=2, and the allocation power supply module can be applied to the structure with the number of the single cells of the existing basic power supply module of 6, so that the purpose of the utility model can be realized. The power supply module is preferably a power supply module
The utility model also discloses a battery pack, and the power distribution and supply module is arranged in the battery pack.
The utility model also discloses an electric vehicle provided with the power distribution and supply module and the battery pack.
The lead-acid battery pack and the power supply module are designed, the lead-acid battery pack and the power supply module are convenient to transport, different battery combinations can be configured according to the power of the motor, and even different voltages can be selectively configured under the same power, so that different riding requirements are met. In addition, compared with the battery pack with the acid ratio of 1.38 and the same voltage, the lead-acid battery pack can be driven for a longer distance and more enough power under the same condition. The power supply module and the lead-acid battery pack are preferably power batteries, and are especially used for electric bicycles.
The above-described embodiment is only a preferred embodiment of the present utility model, and is not limited in any way, and other variations and modifications may be made without departing from the technical aspects set forth in the claims.
Claims (22)
1. The utility model provides a lead acid battery, includes first power module and second power module, first power module and second power module series connection, first power module includes the battery cell, the battery cell number M of the battery cell of first power module, the second power module is including the allotment unit check, its characterized in that, the battery cell total number of second power module is P, and P=KM+Q, K gets the integer of more than or equal to 0, the voltage of group battery is U, the number X of the battery cell of first power module, the allotment unit cell total number Q of second power module U, M, X, Q, K's relation satisfies U/[ M (X+K) +Q ] -0.845<1.38.
2. The lead-acid battery pack according to claim 1, wherein the total number of allocated cells Q of the second power supply module is 1 or more and less than the number of battery cells M of the single cells of the first power supply module.
3. The lead acid battery of claim 2 having a sulfuric acid density ρ within the cells of the battery, wherein Q is rounded to a value of (1.38- ρ) M (x+k)/(ρ+0.845).
4. A lead acid battery as in claim 3, wherein the battery cells of the first power module and the battery cells of the second power module have the same parameters.
5. The lead acid battery of any of claims 1-4, wherein the voltage of the first power module is greater than the voltage of the second power module.
6. The lead-acid battery of any of claims 1-4, wherein the second power module comprises single cells, and the number of single cells of the second power module is greater than or equal to 1 and less than M.
7. The lead-acid battery pack according to any one of claims 1-4, wherein the number of battery cells M of the single cells of the first power supply module is 6, the total number of allocated cells Q of the second power supply module is equal to 1, and the total number of battery cells P of the second power supply module is 1 or 7.
8. The lead-acid battery pack according to any one of claims 1-4, wherein the number of battery cells M of the single cells of the first power supply module is 6, the total number of allocated cells Q of the second power supply module is 2, and the total number of battery cells P of the second power supply module is 2 or 8.
9. A lead acid battery as in any of claims 1-4 wherein the lead acid battery is a power lead acid battery.
10. A battery pack having a lead acid battery pack according to any one of claims 1-4 mounted therein.
11. An electric vehicle, characterized in that it is fitted with a lead-acid battery as claimed in any one of claims 1-4.
12. An electric vehicle having a battery pack according to claim 10 mounted thereon.
13. The power allocation module comprises allocation single cells, wherein the total number of battery single cells of the power allocation module is P, the total number of allocation single cells is Q, the acid liquor density in the single cells is rho, rho is less than 1.38g/cm < 2 >, the power allocation module is used in series with a basic power supply module with the number of battery single cells being M and the acid liquor density in the single cells being rho, the condition that P=KM+Q is satisfied, K is an integer greater than or equal to 0, and the value of Q is the value of (1.38-rho) M (X+K)/(rho+0.845) to be rounded.
14. The power distribution module of claim 13, wherein the voltage of the power distribution module is less than the voltage of the base power distribution module.
15. A deployment power module as claimed in claim 13 or 14, wherein the deployment power module comprises 1 deployment cell.
16. The hybrid power module of claim 15, wherein M is 6 and the total number of cells of the hybrid power module is 1 or 7.
17. A deployment power module as claimed in claim 13 or 14, wherein the deployment power module comprises 2 deployment cells.
18. A distributed power module according to claim 17, wherein M is 6 and the total number of cells of the distributed power module is 2 or 8 or 14.
19. A distributed power module according to claim 13 or 14, wherein the distributed power module is a distributed power module.
20. A battery pack having a power distribution module according to claim 13 or 14 mounted therein.
21. An electric vehicle, characterized in that it is equipped with a deployment power module according to claim 13 or 14.
22. An electric vehicle having a battery pack according to claim 20 mounted thereon.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNPCT/CN2022/082261 | 2022-03-22 | ||
| PCT/CN2022/082261 WO2023178513A1 (en) | 2022-03-22 | 2022-03-22 | Lead-acid battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218975534U true CN218975534U (en) | 2023-05-05 |
Family
ID=83823453
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210859651.0A Pending CN115296362A (en) | 2022-03-22 | 2022-07-21 | Lead-acid battery pack |
| CN202221883746.8U Active CN218975534U (en) | 2022-03-22 | 2022-07-21 | Lead-acid battery pack |
| CN202221907522.6U Active CN218472218U (en) | 2022-03-22 | 2022-07-21 | Lead-acid battery pack, battery pack and electric vehicle |
| CN202223236989.5U Active CN218997012U (en) | 2022-03-22 | 2022-07-21 | Allocate power module, battery package and electric motor car |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210859651.0A Pending CN115296362A (en) | 2022-03-22 | 2022-07-21 | Lead-acid battery pack |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221907522.6U Active CN218472218U (en) | 2022-03-22 | 2022-07-21 | Lead-acid battery pack, battery pack and electric vehicle |
| CN202223236989.5U Active CN218997012U (en) | 2022-03-22 | 2022-07-21 | Allocate power module, battery package and electric motor car |
Country Status (2)
| Country | Link |
|---|---|
| CN (4) | CN115296362A (en) |
| WO (1) | WO2023178513A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114834571A (en) * | 2022-03-22 | 2022-08-02 | 浙江铅锂智行科技有限公司 | Lead-acid battery pack |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090317696A1 (en) * | 2008-06-19 | 2009-12-24 | Chih-Peng Chang | Compound battery device having lithium battery and lead-acid battery |
| CN102651491B (en) * | 2011-02-25 | 2015-03-18 | 深圳市雄韬电源科技股份有限公司 | Composite battery |
| CN102456931B (en) * | 2011-09-05 | 2014-03-12 | 凹凸电子（武汉）有限公司 | Lead-acid battery matching method and system |
| CN105438096A (en) * | 2014-09-18 | 2016-03-30 | 柯国平 | Vehicle starting power source |
| CN204885332U (en) * | 2015-09-02 | 2015-12-16 | 司二克 | Lead acid battery for electric motor car |
-
2022
- 2022-03-22 WO PCT/CN2022/082261 patent/WO2023178513A1/en unknown
- 2022-07-21 CN CN202210859651.0A patent/CN115296362A/en active Pending
- 2022-07-21 CN CN202221883746.8U patent/CN218975534U/en active Active
- 2022-07-21 CN CN202221907522.6U patent/CN218472218U/en active Active
- 2022-07-21 CN CN202223236989.5U patent/CN218997012U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114834571A (en) * | 2022-03-22 | 2022-08-02 | 浙江铅锂智行科技有限公司 | Lead-acid battery pack |
| CN114834571B (en) * | 2022-03-22 | 2024-04-12 | 浙江铅锂智行科技有限公司 | Lead-acid battery pack |
Also Published As
| Publication number | Publication date |
|---|---|
| CN218997012U (en) | 2023-05-09 |
| WO2023178513A1 (en) | 2023-09-28 |
| CN115296362A (en) | 2022-11-04 |
| CN218472218U (en) | 2023-02-10 |
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