CN206541879U - With the cell parallel device for waiting resistance discharge and recharge path - Google Patents
With the cell parallel device for waiting resistance discharge and recharge path Download PDFInfo
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- CN206541879U CN206541879U CN201621203925.7U CN201621203925U CN206541879U CN 206541879 U CN206541879 U CN 206541879U CN 201621203925 U CN201621203925 U CN 201621203925U CN 206541879 U CN206541879 U CN 206541879U
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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
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Abstract
The utility model is a cell parallel device with grade resistance discharge and recharge path, includes an at least parallel units, multiple battery units, a cathode conductor and a negative electrode conductor are included respectively.Respectively the battery unit includes multiple batteries respectively.The cathode conductor electrically connects the positive pole of those batteries.The negative electrode conductor electrically connects the negative pole of those batteries.One end of the cathode conductor forms a unit positive pole, and the unit positive pole has a first path between each battery respectively.One end of the negative electrode conductor forms a unit negative pole, and the unit negative pole has one second path between each battery respectively, and the length summation that the corresponding first path of each first battery is added with the second path is all identical.When starting electric discharge, electric current is all identical by the path length of each first battery, to reduce electric current of surging, increases the service life.
Description
Technical field
The utility model is a kind of cell parallel device, espespecially a kind of to have the cell parallel dress for waiting resistance discharge and recharge path
Put.
Background technology
The Vehicular system originated by the use of electric power as energy is developed for many years already, and its electric supply installation can be multiple by combining
Battery or vehicle is supplied electrical power to using single large-sized battery, only foregoing two ways has sizable shortcoming.With
Exemplified by the former, if battery pack is formed by connecting with multiple batteries, only a single battery has suitable weight, and occupies body
Product is even more that can not ignore, the battery pack that such plurality of battery is constituted, if applied to electric vehicle system, it is huge
Big volume and weight cause one greatly to bear on the contrary for vehicle.
If using the special battery of single high power capacity as electric supply installation, its manufacturing technology is than general battery more in itself
Complexity, but most important consideration is to use upper security, such battery with the increasing (end face diameter become big) of its volume,
The probability exploded also is improved therewith, and its dangerous and injury is not allowed to despise.
The battery apparatus developed a kind of connected by multiple compact battery set and constituted.Such as TaiWan, China patent
No. 094103584 application case, discloses a kind of battery pack, and also referring to shown in Figure 15, the battery pack 150 is by multiple small
The set of type battery 1500 is connected and constituted, and those compact batteries 1500 pass through series-parallel Hybrid connections, forms net like square
Battle array permutation and combination.The battery pack 150 has a positive pole 1501 and a negative pole 1502, and to connect load (not shown), there is provided electricity
Load operation can be supplied.
In the battery pack 150 by by those connection in series-parallel Hybrid connections of compact battery 1500, and form net like matrix row
Arrange the framework of combination.Even if consequently, it is possible to wherein there is one small-sized failure of battery 1500, remaining battery still can be transported normally
Make.In addition, because the electric current of battery pack 150 is, evenly through each concatenation branch, total current to be disperseed, therefore be required for thick conductor
Connect, therefore can effectively reduce the weight of integral battery door group 150.
In general, respectively compact battery 1500 in the battery pack 150 needs identical, and each compact battery 1500
The resistance seen inside in output end need it is equal, that is, DC internal resistance and the all-in resistance of positive and negative lug it is equal, make frame in parallel
Structure is balanced.If parallel configurations are uneven, the output current of moment each compact battery 1500 of energization is different, causes each small electrical
Pond 1500 produces different pressure drops.For example, general lithium battery internal resistance is less than 1m Ω mostly, and the pressure drop of generation may only have zero
Several volts of point, but be likely to result in hundreds of amperes of inside and surge electric current.
But the battery pack 150 provide electric energy supply load operation when, current path of the electric current inside the battery pack 150 by
The negative pole 1502 flows to the positive pole 1501, and due to the framework of those compact batteries 1500 formation net like matrix arrangement combination,
Cause each compact battery 1500 unequal in the resistance that output end is seen inside so that parallel configurations are uneven.
And the mode of general measure electric current such as electric current hook table, ammeter, Hall sensor and current divider etc., all it is difficult measurement
Such a electric current of surging, therefore generally ignored.Because the generation for electric current of surging can cause bad shadow to those compact batteries 1500
Ring, and then reduce the service life of those compact batteries 1500.Therefore, the battery pack 150 further will certainly will be improved.
Utility model content
In view of battery pack is preceding taken off because of the framework of plurality of compact battery formation net like matrix arrangement combination, cause to gush
The generation of unrestrained electric current, reduces the shortcoming of service life, and the utility model provides a kind of electricity for having and waiting resistance discharge and recharge path
Pond shunting means a, wherein technological means makes the cell parallel device in the resistance discharge and recharge paths such as this has include：
At least one first parallel units, include：
Multiple first battery units, respectively first battery unit include multiple first batteries, and each first battery respectively
There is relative a positive pole and a negative pole respectively；
One first cathode conductor, the positive pole for those the first batteries being electrically connected in those first battery units；
One first negative electrode conductor, the negative pole for those the first batteries being electrically connected in those first battery units；
One first module positive pole, is formed at one end of first cathode conductor, and the first module positive pole respectively with respectively
There is a first path between the positive pole of first battery；
One first module negative pole, is formed at one end of first negative electrode conductor, and the first module negative pole respectively with respectively
There is one second path between the negative pole of first battery；
The length summation that the corresponding first path of the battery of each of which first is added with the second path is all identical.
Another technological means of the present utility model makes the cell parallel device in the resistance discharge and recharge paths such as this has include：
At least one first parallel units, include：
Multiple first battery units, respectively first battery unit is a soft-package battery, and respectively first battery unit is distinguished
Include a battery core, one first shell and a second housing, the battery core is folded between first shell and the second housing, should
The battery core of a little first battery units has relative a positive pole and a negative pole respectively, and the positive pole of those battery cores is set in the same direction
Put；
One first cathode conductor, with a connecting portion and multiple comb sections, those comb sections have an interval to each other, and divide
Do not extend with respect to a first direction, and the one end of those comb sections along the first direction is connected with the connecting portion, and those comb sections point
The positive pole of the wherein battery core of one first battery unit is not electrically connected；
One first negative electrode conductor, with a connecting portion and multiple comb sections, those comb sections have an interval to each other, and divide
Do not extend along the first direction, and those comb sections are connected with respect to one end of the first direction with the connecting portion, and those comb sections point
The negative pole of the wherein battery core of one first battery unit is not electrically connected；
One first module positive pole, is formed at the connecting portion of first cathode conductor；
One first module negative pole, is formed at the connecting portion of first negative electrode conductor.
Because the length summation that respectively the corresponding first path of the first battery is added with the second path is all identical, such one
, when the cell parallel device with grade resistance discharge and recharge path, which supplies power to a load (not shown), starts electric discharge, flow through
This should be had with the electric current inside the cell parallel device for waiting resistance discharge and recharge path by the first module negative pole entrance waits electric
The cell parallel device in discharge and recharge path is hindered, then is flowed out by the first module positive pole, and the electric current passes through respectively the first battery list
The path length of each first battery in member and respectively first battery unit is all identical, to balance parallel configurations, thereby suppresses to gush
The generation of unrestrained electric current, with the service life for the cell parallel device for extending the resistance discharge and recharge paths such as this has.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those skilled in the art, without having to pay creative labor,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic perspective view of the utility model preferred embodiment.
Fig. 2 is the schematic perspective view at another visual angle of the utility model preferred embodiment.
Fig. 3 is the schematic side view of the utility model preferred embodiment.
Fig. 4 is the circuit diagram of the utility model preferred embodiment.
Fig. 5 is the schematic perspective view of the utility model preferred embodiment.
Fig. 6 is the schematic perspective view at another visual angle of the utility model preferred embodiment.
Fig. 7 is the schematic perspective view of the utility model preferred embodiment.
Fig. 8 is the schematic perspective view at another visual angle of the utility model preferred embodiment.
Fig. 9 is the circuit diagram of the utility model preferred embodiment.
Figure 10 is the schematic perspective view of the utility model preferred embodiment.
Figure 11 is the decomposing schematic representation of the utility model preferred embodiment.
Figure 12 is the schematic perspective view of the utility model preferred embodiment.
Figure 13 is the decomposed schematic diagram of the utility model preferred embodiment.
Figure 14 is the schematic perspective view at another visual angle of the utility model preferred embodiment.
Figure 15 is the simple circuit schematic diagram of conventional battery pack.
Drawing reference numeral：
10 have the cell parallel device for waiting resistance discharge and recharge path
11 first parallel units
111 first battery units
1111 first cylindrical batteries
112 first cathode conductors
113 first negative electrode conductors
1130 elongated perforation
1131 connecting portions
1132 comb sections
1133 weld parts
The first module negative pole of 114 first module positive pole 115
Embodiment
Coordinate schema and the utility model preferred embodiment below, the utility model is expanded on further to reach predetermined purpose
The technological means taken.
Refer to shown in Fig. 1, Fig. 2, Fig. 3, the utility model is a kind of cell parallel for having and waiting resistance discharge and recharge path
Device 10, should include at least one first in parallel with the preferred embodiment for the cell parallel device 10 for waiting resistance discharge and recharge path
Unit 11, respectively first parallel units 11 include multiple first battery units 111, one first cathode conductor 112, one respectively
First negative electrode conductor 113, a first module positive pole 114 and a first module negative pole 115.
Respectively first battery unit 111 includes multiple first batteries respectively, and each first battery is respectively with relative
One positive pole and a negative pole.
First cathode conductor 112 is electrically connected to the positive pole of those the first batteries in those first battery units 111.
And first negative electrode conductor 113 is electrically connected to the negative pole of the first battery in those first battery units 111.
The first module positive pole 114 is formed at one end of first cathode conductor 112, and the first module positive pole 114
There is a first path between the positive pole of each first battery respectively.And the first module negative pole 115 is formed at first negative pole
One end of electric conductor 113, and the first module negative pole 115 has one second path between the negative pole of each first battery respectively.
And the length summation that the corresponding first path of the battery of each of which first is added with the second path is all identical.
Because respectively the corresponding first path of the first battery is identical with the length summation that the second path is added, consequently, it is possible to
When the cell parallel device with grade resistance discharge and recharge path, which supplies power to a load (not shown), starts electric discharge, electric current passes through
Respectively the path length of each first battery in first battery unit is all identical, to balance parallel configurations, thereby suppresses electricity of surging
The generation of stream, with the service life for the cell parallel device for extending the resistance discharge and recharge paths such as this has.
In this preferred embodiment, the length of those first paths, which refers to electric current and flow to by the first module negative pole 115, respectively should
The distance of the negative pole of first battery, and respectively the corresponding first path of the first battery is different.And the length in those the second paths
Degree refers to the distance that electric current is flow to the first module positive pole 114 by the positive pole of respectively first battery, and respectively first battery is corresponding
Second path is different.
In this preferred embodiment, respectively each first battery in first battery unit 111 is one first cylindrical type respectively
Battery 1111, those first cylindrical batteries 1111 are arranged along a first direction X, and those the first battery units 111 those
The positive pole of first cylindrical battery 1111 is set in the same direction.And respectively there is an interval between first battery unit 111.
First cathode conductor 112 has a connecting portion 1121 and multiple comb sections 1122.Those comb sections 1122 are to each other
With an interval, and extend respectively with respect to first direction X, and the one end of those comb sections 1122 along first direction X and the company
Socket part 1121 is connected.And those comb sections 1122 are electrically connected those first cylindrical types electricity of wherein one first battery unit 111
The positive pole in pond 1111.
First negative electrode conductor 113 has a connecting portion 1131 and multiple comb sections 1132.Those comb sections 1132 are to each other
With an interval, and extend respectively to first direction X, and the one end of those comb sections 1132 with respect to first direction X and the company
Socket part 1131 is connected.And those comb sections 1132 are electrically connected those first cylindrical types electricity of wherein one first battery unit 111
The negative pole in pond 1111.
The first module positive pole 114 is formed at the connecting portion 1121 of first cathode conductor 112.And the first module is negative
Pole 115 is formed at the connecting portion 1131 of first negative electrode conductor 113.
The utility model by by those first cylindrical batteries 1111 of those the first battery units 111 along the first party
Arranged to X, and the first module positive pole 114 is formed at the one end of the first cathode conductor 112 along first direction X, and
The first module negative pole 115 is formed at the one end of first negative electrode conductor 113 with respect to first direction X.Consequently, it is possible to
When the cell parallel device 10 with grade resistance discharge and recharge path, which supplies power to a load (not shown), starts electric discharge, this is flowed through
Should be had by the entrance of first module negative pole 115 with the electric current inside the cell parallel device 10 for waiting resistance discharge and recharge path etc.
The cell parallel device 10 in resistance discharge and recharge path, then flowed out by the first module positive pole 114, and the electric current passes through each cylinder
The path length of type battery 1111 is all identical, to balance parallel configurations.
Conversely, being opened when there is the cell parallel device 10 in grade resistance discharge and recharge path to be connected to a power supply (not shown) for this
When beginning to charge, flowing through this has the electric current inside the cell parallel device 10 for waiting resistance discharge and recharge path by the first module positive pole
114 enter the cell parallel device 10 in the resistance discharge and recharge paths such as this has, then are flowed out by the first module negative pole 115, and should
Electric current is all identical by the path length of each first cylindrical battery 1111.
For example, refer to shown in Fig. 4, when there is the cell parallel device 10 in grade resistance discharge and recharge path to discharge for this
When, the electric current a near the first cylindrical battery 1111a of the first module negative pole 115 is flowed through, by the first module negative pole
115 enter, and flow through a small distance in the comb section 1132 of the first negative electrode conductor 113 and enter this near the first module
First cylindrical battery 1111a of negative pole 115 negative pole, but this is flowed out near the first cylinder of the first module negative pole 115
After type battery 1111a positive pole, then must flow through longer distance in the comb section 1122 of the first cathode conductor 112 just can be by this
First module positive pole 114 flows out.
And the electric current b near the first cylindrical battery 1111b of the first module positive pole 114 is flowed through, by first list
First negative pole 115 enters, and just entrance should be near this after the comb section 1132 of the first negative electrode conductor 113 flows through longer distance
First cylindrical battery 1111b of first module positive pole 114 negative pole, but this is flowed out near the first module positive pole 114
After first cylindrical battery 1111b positive pole, a small distance is flowed only through i.e. in the comb section 1122 of the first cathode conductor 112
Flowed out by the first module positive pole 114.Consequently, it is possible to which internal current a, b flow through the path length of each first battery unit 111 all
It is identical, thereby suppress the generation of electric current of surging, there is the use for the cell parallel device for waiting resistance discharge and recharge path to extend this
Life-span.
Furthermore, referring again to shown in Fig. 1, Fig. 2, respectively those first cylindrical types of first battery unit 111 are electric
Pond 1111 along first direction X in two side by side and arrangement interlaced with each other.
Those comb sections 1122 of first cathode conductor 112 are a rectangle lamellar bodies, and first cathode conductor
The relative dual side-edge of the 112 respectively comb section 1122 each extends over out multiple weld parts 1123 so that edge should side by side in two with those respectively
The positive pole weldering of wherein those the first cylindrical batteries 1111 of one first battery unit 111 of first direction X arrangements interlaced with each other
Connect, and those comb sections 1122 of first cathode conductor 112 are respectively formed with an elongated perforation extended along long side direction
1120, relative dual side-edge of those comb sections 1122 of first cathode conductor 112 provided with those weld parts 1123 is separated
Open.
Those comb sections 1132 of first negative electrode conductor 113 are a rectangle lamellar bodies, and first negative electrode conductor
The relative dual side-edge of the 113 respectively comb section 1132 each extends over out multiple weld parts 1133 so that edge should side by side in two with those respectively
The negative pole weldering of wherein those the first cylindrical batteries 1111 of one first battery unit 111 of first direction X arrangements interlaced with each other
Connect, and those comb sections 1132 of first negative electrode conductor 113 are respectively formed with an elongated perforation extended along long side direction
1130, relative dual side-edge of those comb sections 1132 of first negative electrode conductor 113 provided with those weld parts 1133 is separated
Open.
In addition, those comb sections 1122 of first cathode conductor 112 and the connecting portion of first cathode conductor 112
1121 is vertical, and those comb sections 1132 of first negative electrode conductor 113 and the connecting portion of first negative electrode conductor 113
1131 is vertical.
Because the comb section 1122 of first cathode conductor 112 is formed with elongated perforation 1120, first positive pole is led
Relative dual side-edge of the comb section 1122 of electric body 112 provided with those weld parts 1123 is separated, consequently, it is possible to from those the first circles
The positive pole of cylindrical cell 1111 outflow electric current can along first cathode conductor 112 being separated comb section 1122 it is straight
Connect and flow to the first module positive pole 114, it is to avoid electric current flow to the relative side of comb section 1122 of first cathode conductor 112
The first battery unit 111 that weld part 1123 is connected, further reduces the generation for electric current of surging.And first negative electrode conductor
113 comb section 1132 is likewise formed with elongated perforation 1130, and the comb section 1132 of first negative electrode conductor 113 is provided with into those
The relative dual side-edge of weld part 1133 is separated, consequently, it is possible to can be along from the electric current that the first module negative pole 115 is flowed into
The comb section 1122 for first cathode conductor 112 being separated is flowed directly to the negative pole of those the first battery units 111, reduces
Surge the generation of electric current.
In addition, referring to shown in Fig. 5 and Fig. 6, those comb sections 1122 of first cathode conductor 112 are with respect to the first party
A breach 1124 is formed with to X one end, and the breach 1124 connects the perforation 1120.First negative electrode conductor 113 should
A little comb sections 1132 are formed with a breach 1134 to first direction X one end, and the breach 1134 connects the perforation 1130.
By the setting of the breach 1124 and the breach 1134, electric current can be further limited in first cathode conductor
112 those comb sections 1122 and the current direction in those comb sections 1132 of first negative electrode conductor 113, reduce electricity of surging
The generation of stream.
Refer to shown in Fig. 7, Fig. 8, there should be the cell parallel device 10 for waiting resistance discharge and recharge path to further include
At least one second parallel units 12, second parallel units 12 include multiple second battery units 121, one second positive conductive
Body 122, one second negative electrode conductor 123, a second unit positive pole 124 and a second unit negative pole 125.
Respectively second battery unit 121 includes multiple second batteries respectively, and each second battery is respectively with relative
One positive pole and a negative pole.
Second cathode conductor 122 is electrically connected to the positive pole of those the second batteries in those second battery units 121.
And second negative electrode conductor 123 is electrically connected to the negative pole of the second battery in those second battery units 121.
The second unit positive pole 124 is formed at one end of second cathode conductor 122, and with the positive pole of each second battery
Between respectively have a first path.And the second unit negative pole 125 is formed at one end of second negative electrode conductor 123, and with
There is one second path respectively between the negative pole of each second battery.And the corresponding first path of each second battery is added with the second path
Length summation it is all identical.
Because the length summation that respectively the corresponding first path of the second battery is added with the second path is all identical, and by inciting somebody to action
The first parallel units 11 with same circuits framework are connected with the second parallel units 12, can provide more elastic design method.
Consequently, it is possible to start electric discharge when there is the cell parallel device in grade resistance discharge and recharge path to supply power to a load (not shown) for this
When, electric current is all identical by the path length of each first battery in respectively first battery unit, and electric current by respectively this second
The path length of each second battery in battery unit is also identical, to balance parallel configurations, thereby suppresses the generation of electric current of surging,
With the service life for the cell parallel device for extending the resistance discharge and recharge paths such as this has.
In this preferred embodiment, respectively each second battery in second battery unit 121 is one second cylindrical type respectively
Battery 1211, those second cylindrical batteries 1211 are arranged along a second direction Y, and those the second battery units 121 those
The positive pole of second cylindrical battery 1211 is set in the same direction.And respectively there is an interval between second battery unit 121.
Second cathode conductor 122 has a connecting portion 1221 and multiple comb sections 1222.Those comb sections 1222 are to each other
With an interval, and extend respectively with respect to second direction Y, and the one end of those comb sections 1222 along second direction Y and the company
Socket part 1221 is connected.And those comb sections 1222 are electrically connected those second cylindrical types electricity of wherein one second battery unit 121
The positive pole in pond 1211.
Second negative electrode conductor 123 has a connecting portion 1231 and multiple comb sections 1232.Those comb sections 1232 are to each other
With an interval, and extend respectively to second direction Y, and the one end of those comb sections 1232 with respect to second direction Y and the company
Socket part 1231 is connected.And those comb sections 1232 are electrically connected those second cylindrical types electricity of wherein one second battery unit 121
The negative pole in pond 1211.
The second unit positive pole 124 is formed at the connecting portion 1221 of second cathode conductor 122.And the second unit is negative
Pole 125 is formed at the connecting portion 1231 of second negative electrode conductor 123.And the second unit positive pole of second parallel units 12
124 are electrically connected to the first module negative pole 115 of first parallel units 11.In this preferred embodiment, this second and receipts or other documents in duplicate
The connection of the connecting portion 1221 of first 12 second cathode conductors 122 with first parallel units 11 first negative electrode conductor 113
The component that portion 1131 is one of the forming, makes the second unit positive pole 124 of second parallel units 12 be electrically connected to this first simultaneously
The first module negative pole 115 of receipts or other documents in duplicate member 11.
The utility model further goes here and there the first parallel units 11 with same circuits framework and the second parallel units 12
Connection allows this that there is the cell parallel device 10 in grade resistance discharge and recharge path can be directed to different there is provided more elastic design method
The different style of Demand Design, changes the cell parallel device 10 in the resistance discharge and recharge paths such as this has using series-parallel mode
Output voltage, and according to the above-mentioned explanation for first parallel units 11, second parallel units 12 can be learnt similarly
Can effectively be suppressed to surge the generation of electric current, therefore should use the longevity with waiting cell parallel device 10 in resistance discharge and recharge path to extend
Life.
For example, refer to shown in Fig. 9, when there is the cell parallel device 10 in grade resistance discharge and recharge path to discharge for this
When, the electric current c near the second cylindrical battery 1211c of the second unit negative pole 125 is flowed through, by the second unit negative pole
125 enter, and flow through a small distance in the comb section 1232 of the second negative electrode conductor 123 and enter this near the second unit
Second cylindrical battery 1211c of negative pole 125 negative pole, but this is flowed out near the second cylinder of the second unit negative pole 125
After type battery 1211c positive pole, then it can just be flow to after having to flow through the relatively long distance of 122 comb section of the second cathode conductor 1222
The second unit positive pole 124, and further flow into the first module negative pole 115.After the first module negative pole 115 is flowed into, then
As before take off be related to first parallel units 11 for example, current path length all phases in first parallel units 11
Together, thus will not be repeated here.
And the electric current d near the second cylindrical battery 1211d of the second unit positive pole 124 is flowed through, by second list
First negative pole 125 enters, and just entrance should be near this after the comb section 1232 of the second negative electrode conductor 123 flows through longer distance
Second cylindrical battery 1211d of second unit positive pole 124 negative pole, but this is flowed out near the second unit positive pole 124
After second cylindrical battery 1211d positive pole, a small distance is flowed only through i.e. in the comb section 1222 of the second cathode conductor 122
The second unit positive pole 124 can be flow to, and further flows into the first module negative pole 115.When the inflow first module negative pole
After 115, then as before take off be related to first parallel units 11 for example, current path in first parallel units 11
Length is all identical, therefore will not be repeated here.
Consequently, it is possible to which internal current c, d flow through the path of each second cylindrical battery 121 in second parallel units 12
Length is all identical, and flows into after the first module negative pole 115, the also all phase of the current path length in first parallel units 11
Together, thereby suppress the generation of electric current of surging, there is the use for the cell parallel device 10 for waiting resistance discharge and recharge path to extend this
Life-span.
Furthermore, referring again to shown in Fig. 7, Fig. 8, respectively those second cylindrical types of second battery unit 111 are electric
Pond 1211 is in two side by side along second direction Y arrangements interlaced with each other.
Those comb sections 1222 of second cathode conductor 122 are a rectangle lamellar bodies, and second cathode conductor
122 respectively comb section 1222 with respect to dual side-edge each extend over out multiple weld parts 1223 with respectively with those in two side by side along this
The positive pole weldering of wherein those the second cylindrical batteries 1211 of one second battery unit 121 of two direction Y arrangements interlaced with each other
Connect, and those comb sections 1222 of second cathode conductor 122 are respectively formed with one and perforated along the elongated that long side direction extends
1220, relative dual side-edge of those comb sections 1222 of second cathode conductor 122 provided with those weld parts 1223 is separated
Open.
Those comb sections 1232 of second negative electrode conductor 123 are a rectangle lamellar bodies, and second negative electrode conductor
123 respectively comb section 1232 with respect to dual side-edge each extend over out multiple weld parts 1233 with respectively with those two side by side along this second
The negative pole welding of wherein those the second cylindrical batteries 1111 of one second battery unit 121 of direction Y arrangements interlaced with each other,
And those comb sections 1232 of second negative electrode conductor 123 are respectively formed with an elongated perforation 1230 extended along long side direction,
So that relative dual side-edge of those comb sections 1232 of second negative electrode conductor 123 provided with those weld parts 1233 to be separated.
In addition, those comb sections 1222 of second cathode conductor 122 and the connecting portion of second cathode conductor 122
1221 is vertical, and those comb sections 1232 of second negative electrode conductor 123 and the connecting portion of second negative electrode conductor 123
1231 is vertical.
Similarly, the elongated perforation 1220 of those comb sections 1222 of second cathode conductor 122, and second negative pole are passed through
The elongated perforation 1230 of those comb sections 1232 of electric conductor 123, you can limitation current direction, reduces the generation for electric current of surging.
Lack in addition, those comb sections 1222 of second cathode conductor 122 are formed with one with respect to second direction Y one end
Mouth (not shown), and the breach connects the perforation 1220.Those comb sections 1232 of second negative electrode conductor 123 to this second
Direction Y one end is formed with a breach (not shown), and the breach connects the perforation 1230.
Similarly, by setting the breach and second negative conductive of those comb sections 1221 of second cathode conductor 122
The breach of those comb sections 1232 of body 123, can further limit electric current in those comb sections 1222 of second cathode conductor 122 and
Current direction in those comb sections 1232 of second negative electrode conductor 123, reduces the generation for electric current of surging.
Refer to shown in Figure 10 and Figure 11, there should be the cell parallel device 10 for waiting resistance discharge and recharge path also to include one
Housing 13, the housing 13 includes an accommodation space 130, a first half-shell 131 and one second half-shell 132, the first half-shell 131
Combined with second half-shell 132 and constitute the housing 13, and the housing 13 is divided into the first half-shell 131 and second half-shell
132 two relative side is respectively formed with multiple first battery electrode openings 1311 and multiple second battery electrode openings 1321.
Those first cylindrical batteries 1111 and those second parallel units 12 of those battery units 111 of the first parallel units 11 first
Those second cylindrical batteries 1211 of second battery unit 121 are arranged in the accommodation space 130 of the housing 13, and those
The positive pole and negative pole of first cylindrical battery 1111 and those the second cylindrical batteries 1211 be correspondingly arranged in respectively those first
In battery electrode opening 1311 and those the second battery electrode openings 1321.
First negative electrode conductor 113 of those the first parallel units 11 is arranged at the outside of first half-shell 131, and passes through this
A little first battery electrode openings 1311 and the negative pole of those the first cylindrical batteries 1111 are welded.And those second parallel units 12
The second cathode conductor 122 be arranged at the outside of the first half-shell 131, and pass through those the first battery electrode openings 1311 with should
The positive pole welding of a little second cylindrical batteries 1211.
And the first cathode conductor 112 of those the first parallel units 11 is arranged at the outside of the second half-shell 132, and pass through
Those the second battery electrode openings 1321 and the positive pole of those the first cylindrical batteries 1111 are welded.And those second and even unit
12 the second negative electrode conductor 123 is arranged at the outside of second half-shell 132, and by those the second battery electrode openings 1321 with
The negative pole welding of those the second cylindrical batteries 1211.Consequently, it is possible to which those first cylindrical batteries 1111 of electrical connection are shape
Into being connected in parallel, and those second cylindrical batteries 1211 of electrical connection are also formed and are connected in parallel.
And further make the second unit positive pole 124 of wherein one second parallel units 12 be electrically connected to wherein one first simultaneously
The first module negative pole 115 of receipts or other documents in duplicate member 11 so that connect the first parallel units 11 are connected with the second parallel units 12, such as
This one, the design method of elasticity just can be provided, allow user to be directed to different output voltages and different use environments, it is logical
Cross series-parallel mode and separately design the different cell parallel devices 10 for having and waiting resistance discharge and recharge path, allow the utility model energy
It is more elastic to be applied to different situations, and the generation for the electric current that can effectively suppress to surge simultaneously, increase the life-span used.
Refer to shown in Figure 12, Figure 13, Figure 14, the utility model has the cell parallel device for waiting resistance discharge and recharge path
20 another preferred embodiment, includes at least one first parallel units 21, and respectively first parallel units 21 include many respectively
Individual first battery unit 211, one first cathode conductor 212, one first negative electrode conductor 213, a first module positive pole 214 and
One first module negative pole 215.
The respectively soft-package battery of the first battery unit 211 1, and respectively first battery unit 211 includes a battery core respectively
2111st, one first shell 2112 and a second housing 2113, the battery core 2111 be folded in first shell 2112 and this outside second
Between shell 2113.The battery core 2111 of those the first battery units 211 has relative a positive pole and a negative pole, and those electricity respectively
The positive pole of core 2111 is set in the same direction.
First cathode conductor 212 has a connecting portion 2121 and multiple comb sections 2122.Those comb sections 2122 are to each other
With an interval, and extend respectively with respect to a first direction X, and the one end of those comb sections 2122 along first direction X and the company
Socket part 2121 is connected.And those comb sections 2122 are electrically connected the positive pole of the wherein battery core 2111 of one first battery unit 211.
First negative electrode conductor 213 has a connecting portion 2131 and multiple comb sections 2132.Those comb sections 2132 are to each other
With an interval, and extend respectively along first direction X, and the one end of those comb sections 2132 with respect to first direction X and the company
Socket part 2131 is connected.And those comb sections 2132 are electrically connected the negative pole of the wherein battery core 2111 of one first battery unit 211.
The first module positive pole 214 is formed at the connecting portion 2121 of first cathode conductor 212.And the first module is negative
Pole 215 is formed at the connecting portion 2131 of first negative electrode conductor 213.
Similarly, by the way that the first module positive pole 214 is formed at into first cathode conductor 212 along first direction X
One end, and the first module negative pole 215 is formed at the one end of first negative electrode conductor 213 with respect to first direction X.
Consequently, it is possible to start electric discharge when there is the cell parallel device 20 in grade resistance discharge and recharge path to supply power to a load (not shown) for this
When, flow through the electric current inside the cell parallel devices 20 in resistance discharge and recharge path such as this has and entered by the first module negative pole 215
Enter the cell parallel device 20 in the resistance discharge and recharge paths such as this has, then flowed out by the first module positive pole 214, and the electric current is logical
The path length for crossing each first battery unit 211 is all identical, to balance parallel configurations, reduces electric current generation of surging, and increase makes
Use the life-span.
There is the cell parallel device 20 in grade resistance discharge and recharge path to further include at least one second parallel units for this
22, second parallel units 22, which include multiple second battery units 221, one second cathode conductor 222, one second negative pole, leads
Electric body 223, a second unit positive pole 224 and a second unit negative pole 225.
Respectively second battery unit 221 is a soft-package battery, and respectively second battery unit 221 includes a battery core respectively
2211st, one first shell 2212 and a second housing 2213, the battery core 2211 be folded in first shell 2212 and this outside second
Between shell 2213.The battery core 2211 of those the second battery units 221 has relative a positive pole and a negative pole respectively, and those the
The positive pole of battery core 2211 of two battery units 221 is set in the same direction.
Second cathode conductor 222 has a connecting portion 2221 and multiple comb sections 2222.Those comb sections 2222 are to each other
With an interval, and extend respectively with respect to a second direction Y, and the one end of those comb sections 2222 along second direction Y and the company
Socket part 2221 is connected.And those comb sections 2222 are electrically connected the positive pole of the wherein battery core 2211 of one second battery unit 221.
Second negative electrode conductor 223 has a connecting portion 2231 and multiple comb sections 2232.Those comb sections 2232 are to each other
With an interval, and extend respectively to second direction Y, and the one end of those comb sections 2232 with respect to second direction Y and the company
Socket part 2231 is connected.And those comb sections 2232 are electrically connected the negative pole of the wherein battery core 2211 of one second battery unit 221.
The second unit positive pole 224 is formed at the connecting portion 2221 of second cathode conductor 222.And the second unit is negative
Pole 225 is formed at the connecting portion 2231 of second negative electrode conductor 223.And the second unit positive pole of second parallel units 22
224 are electrically connected to the first module negative pole 215 of first parallel units 21.In this preferred embodiment, this second and receipts or other documents in duplicate
The connection of the connecting portion 2221 of first 22 second cathode conductors 222 with first parallel units 21 first negative electrode conductor 213
The component that portion 2131 is one of the forming, makes the second unit positive pole 224 of second parallel units 22 be electrically connected to this first simultaneously
The first module negative pole 215 of receipts or other documents in duplicate member 21.
By the way that the first parallel units 21 with same circuits framework are connected with the second parallel units 22, there is provided more elastic
Design method, allow this to have and wait the cell parallel device 20 in resistance discharge and recharge path to be directed to different Demand Designs different
Style, changes the output voltage of the cell parallel device 20 in the resistance discharge and recharge paths such as this has using series-parallel mode, and
According to the above-mentioned explanation for first parallel units 21, it can learn that second parallel units 22 similarly can effectively suppress to gush
The generation of unrestrained electric current, therefore should have the cell parallel device 20 for waiting resistance discharge and recharge path to increase the service life.
Described above is only preferred embodiment of the present utility model, not does any formal to the utility model
Limitation, although the utility model is disclosed above with preferred embodiment, but is not limited to the utility model, it is any to be familiar with
Professional and technical personnel, in the range of technical solutions of the utility model are not departed from, when in the technology using the disclosure above
Hold the equivalent embodiment made a little change or be modified to equivalent variations, as long as without departing from technical solutions of the utility model
Hold, any simple modification, equivalent variations and the modification made according to technical spirit of the present utility model to above example, still
Belong in the range of technical solutions of the utility model.
Claims (15)
1. a kind of have the cell parallel device for waiting resistance discharge and recharge path, it is characterised in that includes：
At least one first parallel units, include：
Multiple first battery units, wherein respectively first battery unit includes multiple first batteries, and each first battery respectively
There is relative a positive pole and a negative pole respectively；
One first cathode conductor, the positive pole for those the first batteries being electrically connected in those first battery units；
One first negative electrode conductor, the negative pole for those the first batteries being electrically connected in those first battery units；
One first module positive pole, is formed at one end of first cathode conductor, and the first module positive pole is respectively with each first
There is a first path between the positive pole of battery；
One first module negative pole, is formed at one end of first negative electrode conductor, and the first module negative pole is respectively with each first
There is one second path between the negative pole of battery；
The length summation that the corresponding first path of the battery of each of which first is added with the second path is all identical.
2. as claimed in claim 1 have the cell parallel device for waiting resistance discharge and recharge path, it is characterised in that：
The length of those first paths refers to the distance that electric current is flow to the respectively negative pole of first battery by the first module negative pole, and respectively
The corresponding first path of first battery is different；
The length in those the second paths refers to the distance that electric current is flow to the first module positive pole by the positive pole of respectively first battery, and respectively
Corresponding second path of first battery is different.
3. as claimed in claim 1 have the cell parallel device for waiting resistance discharge and recharge path, it is characterised in that：
Each first battery of respectively first battery unit of at least one first parallel units is one first cylindrical battery respectively,
Those first cylindrical batteries are arranged along a first direction, and those the first cylindrical battery positive poles of those the first battery units
Set in the same direction, and respectively there is an interval between first battery unit；
First cathode conductor of at least one first parallel units has a connecting portion and multiple comb sections, and those comb sections have to each other
There is an interval, and extend respectively with respect to the first direction, and the one end of those comb sections along the first direction is connected with the connecting portion,
And those comb sections are electrically connected the positive pole of wherein those the first cylindrical batteries of one first battery unit；
First negative electrode conductor of at least one first parallel units has a connecting portion and multiple comb sections, and those comb sections are to each other
With an interval, and extend respectively to the first direction, and those comb sections connect with respect to one end of the first direction with the connecting portion
Connect, and those comb sections are electrically connected the negative pole of wherein those the first cylindrical batteries of one first battery unit；
The first module positive pole of at least one first parallel units is formed at the connecting portion of first cathode conductor；
The first module negative pole of at least one first parallel units is formed at the connecting portion of first negative electrode conductor.
4. as claimed in claim 3 have the cell parallel device for waiting resistance discharge and recharge path, it is characterised in that：
Respectively those first cylindrical batteries of first battery unit along the first direction in two side by side and arrangement interlaced with each other；
Those comb sections of first cathode conductor are a rectangle lamellar bodies, and the phase of the respectively comb section of first cathode conductor
Dual side-edge is each extended over out multiple weld parts with respectively with those in two side by side along first direction arrangement interlaced with each other its
In one first battery unit those the first cylindrical batteries positive pole welding, and those comb sections of first cathode conductor point
An elongated perforation extended along long side direction is not formed with；
Those comb sections of first negative electrode conductor are a rectangle lamellar bodies, and the phase of the respectively comb section of first negative electrode conductor
Dual side-edge is each extended over out multiple weld parts with respectively with those in two side by side along first direction arrangement interlaced with each other its
In one first battery unit those the first cylindrical batteries negative pole welding, and those comb sections of first negative electrode conductor point
An elongated perforation extended along long side direction is not formed with.
5. as claimed in claim 4 have the cell parallel device for waiting resistance discharge and recharge path, it is characterised in that：
Those comb sections of first cathode conductor are formed with a breach with respect to one end of the first direction, and breach connection should
Perforation；
Those comb sections of first negative electrode conductor are formed with a breach to one end of the first direction, and the breach connects this and worn
Hole.
6. as claimed in claim 3 have the cell parallel device for waiting resistance discharge and recharge path, it is characterised in that：
Those comb sections of first cathode conductor are vertical with the connecting portion of first cathode conductor；
Those comb sections of first negative electrode conductor are vertical with the connecting portion of first negative electrode conductor.
7. having the cell parallel device for waiting resistance discharge and recharge path as any one of claim 3 to 6, its feature exists
In further includeing：
At least one second parallel units, include：
Multiple second battery units, wherein respectively second battery unit includes multiple second batteries, and each second battery respectively
There is relative a positive pole and a negative pole respectively；
One second cathode conductor, the positive pole for those the second batteries being electrically connected in those second battery units；
One second negative electrode conductor, the negative pole for those the second batteries being electrically connected in those second battery units；
One second unit positive pole, is formed at one end of second cathode conductor, and have respectively with the positive interpolar of each second battery
There is a first path；
One second unit negative pole, is formed at one end of second negative electrode conductor, and have respectively between the negative pole of each second battery
There is one second path；
The length summation that the corresponding first path of the battery of each of which second is added with the second path is all identical.
8. as claimed in claim 7 have the cell parallel device for waiting resistance discharge and recharge path, it is characterised in that：
Each second battery of respectively second battery unit of at least one second parallel units is one second cylindrical battery respectively,
Those second cylindrical batteries are arranged along a second direction, and those the second cylindrical battery positive poles of those the second battery units
Set in the same direction, and respectively there is an interval between second battery unit；
Second cathode conductor of at least one second parallel units has a connecting portion and multiple comb sections, and those comb sections are to each other
With an interval, and extend respectively with respect to the second direction, and the one end of those comb sections along the second direction connects with the connecting portion
Connect, and those comb sections are electrically connected the positive pole of wherein those the second cylindrical batteries of one second battery unit；
Second negative electrode conductor of at least one second parallel units has a connecting portion and multiple comb sections, second negative conductive
Those comb sections of body to each other have one interval, and respectively to the second direction extend, and second negative electrode conductor those
Comb section is connected with respect to one end of the second direction with the connecting portion of second negative electrode conductor, and second negative electrode conductor
Those comb sections are electrically connected the negative pole of wherein those the second cylindrical batteries of one second battery unit；
The second unit positive pole of at least one second parallel units is formed at the connecting portion of second cathode conductor；
The second unit negative pole of at least one second parallel units is formed at the connecting portion of second negative electrode conductor；
The second unit positive pole of wherein second parallel units is electrically connected to the first module negative pole of first parallel units.
9. as claimed in claim 8 have the cell parallel device for waiting resistance discharge and recharge path, it is characterised in that this is second simultaneously
The connecting portion of the connecting portion with first parallel units of receipts or other documents in duplicate the second cathode conductor of member first negative electrode conductor is integrated into
The component of shape.
10. as claimed in claim 8 have the cell parallel device for waiting resistance discharge and recharge path, it is characterised in that：
Respectively those second cylindrical batteries of second battery unit are in two side by side along second direction arrangement interlaced with each other；
Those comb sections of second cathode conductor are a rectangle lamellar bodies, and respectively comb section of second cathode conductor is relative
Dual side-edge each extend over out multiple weld parts with respectively with those in two side by side along second direction arrangement interlaced with each other wherein
The positive pole welding of those the second cylindrical batteries of one second battery unit, and those comb sections of second cathode conductor are distinguished
One is formed with to perforate along the elongated that long side direction extends；
Those comb sections of second negative electrode conductor are a rectangle lamellar bodies, and respectively comb section of second negative electrode conductor is relative
Dual side-edge each extends over out multiple weld parts with respectively with those two side by side along wherein the one of second direction arrangement interlaced with each other
The negative pole welding of those the second cylindrical batteries of the second battery unit, and those comb sections of second negative electrode conductor difference shape
The elongated perforation that Cheng Youyi extends along long side direction.
11. as claimed in claim 10 have the cell parallel device for waiting resistance discharge and recharge path, it is characterised in that：
Those comb sections of second cathode conductor are formed with a breach with respect to one end of the second direction, and breach connection should
Perforation；
Those comb sections of second negative electrode conductor are formed with a breach to one end of the second direction, and the breach connects this and worn
Hole.
12. as claimed in claim 8 have the cell parallel device for waiting resistance discharge and recharge path, it is characterised in that：
Those comb sections of second cathode conductor are vertical with the connecting portion of second cathode conductor；
Those comb sections of second negative electrode conductor are vertical with the connecting portion of second negative electrode conductor.
13. as claimed in claim 8 have the cell parallel device for waiting resistance discharge and recharge path, it is characterised in that further
Include：
One housing, has：
One accommodation space；
One first half-shell；
One second half-shell, combines with the first half-shell and constitutes the housing；
Wherein the housing is divided into the first half-shell and the two relative side of second half-shell is respectively formed with multiple first batteries
Electrode opening and multiple second battery electrode openings；
Wherein those first cylindrical batteries and those second parallel units of those battery units of the first parallel units first
Those second cylindrical batteries of two battery units are arranged in the accommodation space of the housing, and those first cylindrical batteries and
The positive pole and negative pole of those the second cylindrical batteries are correspondingly arranged in those the first battery electrode openings and those second electricity respectively
In the electrode opening of pond；
First negative electrode conductor of wherein those the first parallel units is arranged on the outside of the first half-shell, and passes through those the first electricity
The negative pole of pond electrode opening and those the first cylindrical batteries is welded, and the first cathode conductor of those the first parallel units is set
It is placed on the outside of second half-shell, and is welded by the positive pole of those the second battery electrode openings and those the first cylindrical batteries；
Second cathode conductor of wherein those the second parallel units is arranged on the outside of the first half-shell, and passes through those the first electricity
The positive pole of pond electrode opening and those the second cylindrical batteries is welded, and those second and even the second negative electrode conductor of unit is set
It is placed on the outside of second half-shell, and is welded by the negative pole of those the second battery electrode openings and those the second cylindrical batteries.
14. a kind of have the cell parallel device for waiting resistance discharge and recharge path, it is characterised in that includes：
At least one first parallel units, include：
Multiple first battery units, respectively first battery unit is a soft-package battery, and respectively first battery unit is included respectively
There are a battery core, one first shell and a second housing, the battery core is folded between first shell and the second housing, those
The battery core of one battery unit has relative a positive pole and a negative pole respectively, and the positive pole of those battery cores is set in the same direction；
One first cathode conductor, with a connecting portion and multiple comb sections, those comb sections have an interval, and phase respectively to each other
One first direction is extended, and the one end of those comb sections along the first direction is connected with the connecting portion, and those comb sections are electric respectively
The positive pole of the connection wherein battery core of one first battery unit；
One first negative electrode conductor, with a connecting portion and multiple comb sections, those comb sections have an interval, and edge respectively to each other
The first direction extends, and those comb sections are connected with respect to one end of the first direction with the connecting portion, and those comb sections are electric respectively
The negative pole of the connection wherein battery core of one first battery unit；
One first module positive pole, is formed at the connecting portion of first cathode conductor；
One first module negative pole, is formed at the connecting portion of first negative electrode conductor.
15. as claimed in claim 14 have the cell parallel device for waiting resistance discharge and recharge path, it is characterised in that further
Include：
At least one second parallel units, include：
Multiple second battery units, respectively second battery unit is a soft-package battery, and respectively second battery unit is included respectively
There are a battery core, one first shell and a second housing, the battery core of second battery unit is folded in the of second battery unit
Between the second housing of one shell and second battery unit, the battery core of those the second battery units has relative one just respectively
Pole and a negative pole, and the positive pole of the battery core of those the second battery units sets in the same direction；
One second cathode conductor, with a connecting portion and multiple comb sections, those comb sections have an interval, and phase respectively to each other
One second direction is extended, and the one end of those comb sections along the second direction is connected with the connecting portion, and those comb sections are electric respectively
The positive pole of the connection wherein battery core of one second battery unit；
One second negative electrode conductor, with a connecting portion and multiple comb sections, those comb sections of second negative electrode conductor are to each other
With one interval, and respectively to the second direction extend, and second negative electrode conductor those comb sections with respect to the second direction
One end be connected with the connecting portion of second negative electrode conductor, and those comb sections of second negative electrode conductor are electrically connected
The wherein negative pole of the battery core of one second battery unit；
One second unit positive pole, is formed at the connecting portion of second cathode conductor；
One second unit negative pole, is formed at the connecting portion of second negative electrode conductor；
The second unit positive pole of wherein second parallel units is electrically connected to the first module negative pole of first parallel units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621203925.7U CN206541879U (en) | 2016-11-08 | 2016-11-08 | With the cell parallel device for waiting resistance discharge and recharge path |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621203925.7U CN206541879U (en) | 2016-11-08 | 2016-11-08 | With the cell parallel device for waiting resistance discharge and recharge path |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832049A (en) * | 2018-06-26 | 2018-11-16 | 安徽相源新能源有限公司 | A kind of new-energy automobile lithium battery lithium cell component |
| WO2021092886A1 (en) * | 2019-11-15 | 2021-05-20 | Techtronic Cordless Gp | Battery pack and method |
-
2016
- 2016-11-08 CN CN201621203925.7U patent/CN206541879U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832049A (en) * | 2018-06-26 | 2018-11-16 | 安徽相源新能源有限公司 | A kind of new-energy automobile lithium battery lithium cell component |
| WO2021092886A1 (en) * | 2019-11-15 | 2021-05-20 | Techtronic Cordless Gp | Battery pack and method |
| CN114730970A (en) * | 2019-11-15 | 2022-07-08 | 创科无线普通合伙 | Battery pack and method |
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