CN203826511U - Motor-operated switch type automatic balancing lithium ion battery module - Google Patents
Motor-operated switch type automatic balancing lithium ion battery module Download PDFInfo
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- CN203826511U CN203826511U CN201420167228.5U CN201420167228U CN203826511U CN 203826511 U CN203826511 U CN 203826511U CN 201420167228 U CN201420167228 U CN 201420167228U CN 203826511 U CN203826511 U CN 203826511U
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title abstract 11
- 229910001416 lithium ion Inorganic materials 0.000 title abstract 11
- 239000000178 monomer Substances 0.000 claims abstract description 24
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 229910052744 lithium Inorganic materials 0.000 claims description 205
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 200
- 230000005611 electricity Effects 0.000 claims description 200
- 238000013519 translation Methods 0.000 claims description 30
- 239000004020 conductor Substances 0.000 claims description 24
- 238000003466 welding Methods 0.000 claims description 19
- 239000012634 fragment Substances 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000003491 array Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
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- 230000002045 lasting effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a motor-operated switch type automatic balancing lithium ion battery module. The motor-operated switch type automatic balancing lithium ion battery module comprises a shell, a temperature adjusting device, lithium ion battery pack groups, a lithium ion battery module status indication device and a motor-operated balancing switch device, wherein the motor-operated balancing switch device comprises a balancing switch base and a balancing switch contact group, an insulation pull rod is arranged on the balancing switch base, the insulation pull rod is connected with a movable contact shrapnel, the two ends of the movable contact shrapnel are respectively connected onto the balancing switch contact group, and the insulation pull rod is connected with a pull rod driving device; each lithium ion battery pack group in the module is always in a parallel connection state, and balancing of monomer lithium ion batteries in each lithium ion battery pack group is guaranteed; all the lithium ion battery pack groups in the module are automatically switched between serial connection and parallel connection by virtue of one insulation pull rod and the pull rod driving device; in parallel connection, all the lithium ion battery pack groups can be rapidly and synchronously connected in parallel and in a balanced state, no action spark is produced, and service lives of each monomer battery and each lithium ion battery pack group are prolonged.
Description
Technical field
The utility model relates to a kind of lithium electricity battery technology field, relates in particular to a kind of motor switch formula automatic equalization lithium electricity battery module that is applicable to electric automobile.
Background technology
New-energy electric vehicle development in this year rapidly, and power-supply system, control system and dynamical system become three large core technologies of New-energy electric vehicle, above-mentioned battery is lightweight because having, course continuation mileage is lasting, long service life, can realize the features such as quick charge, and certainly will will replace the application of traditional lead acid accumulator on New-energy electric vehicle.Above-mentioned storage battery all forms a battery modules by some cells, and while installing, adopt the connected mode of series connection on electric automobile, to reach the applied voltage of electric automobile, but the increase along with battery charging and discharging number of times, in battery modules, the inconsistency of cell parameter can increase gradually, its result can cause the output capacity of battery modules to reduce gradually, becomes restriction novel battery a great problem in actual applications.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of good heat dissipation effect, provides electric energy motor switch formula automatic equalization lithium stable and long service life electric battery module.
For solving the problems of the technologies described above, the technical solution of the utility model is: motor switch formula automatic equalization lithium electricity battery module, comprise module housing, and comprise modular tank, in described modular tank, be installed with module upper cover; The end face of described module upper cover is provided with work positive pole and work negative pole, and the end face of described module upper cover is also provided with balanced positive pole and balanced negative pole;
At least two group lithium electricity battery cohorts, be encapsulated in described module housing, described lithium electricity battery cohort comprises the lithium electricity battery pack holder that is clamped in respectively some cylindrical monomer lithium electricity batteries two ends, described monomer lithium electricity battery is divided into some lithium electricity battery subgroups, described in each, the positive pole of lithium electricity battery subgroup is fixedly welded with positive bus, described positive bus is arranged at the outside of described lithium electricity battery pack holder, and described in each, positive bus outside is fixedly welded on same anodal baffler; Described in each, the negative pole of lithium electricity battery subgroup is fixedly welded with negative bus-bar, and described negative bus-bar is arranged at the outside of described lithium electricity battery pack holder, and described in each, negative bus-bar outside is fixedly welded on same negative pole baffler; Lithium electricity battery cohort is installed anodal on described anodal baffler, lithium electricity battery cohort negative pole is installed on described negative pole baffler; Described lithium electricity battery cohort top anodal and described lithium electricity battery cohort negative pole is installed with lithium electricity battery cohort holder, and described lithium electricity battery cohort holder is fixedly mounted in described modular tank;
Electronic equalizer switch device, be arranged in the described module housing of described lithium electricity battery cohort top, comprise equalizer switch seat, corresponding with the electric battery cohort of lithium described in each respectively equalizer switch sets of contacts is installed on described equalizer switch seat, and described equalizer switch sets of contacts comprises anodal moving contact and negative pole moving contact, the anodal output contact arranging in pairs and negative pole output contact, the positive pole equilibrium contact arranging in pairs and the balanced contact of negative pole of paired setting; It is anodal that described anodal moving contact is connected to described lithium electricity battery cohort by fexible conductor, and described negative pole moving contact is connected to described lithium electricity battery cohort negative pole by fexible conductor; Between described anodal output contact, be connected with anodal series conductor row, described anodal series conductor row is connected with described work is anodal, is connected with negative pole series conductor row between described negative pole output contact, and described negative pole series conductor row is connected with described work negative pole; Between the balanced contact of described positive pole, be connected with anodal parallel conducting wire row, described anodal parallel conducting wire row and described balanced anodal connection, described negative pole is connected with negative pole parallel conducting wire row between balanced contact, and described negative pole parallel conducting wire row connects with described balanced negative pole; On described equalizer switch seat, insulated tension pole is installed, on described insulated tension pole, be connected with the moving contact shell fragment corresponding with described lithium electricity battery cohort quantity, described moving contact shell fragment is connected to respectively described anodal moving contact and described negative pole moving contact, and the outer end of described anodal moving contact and described negative pole moving contact is hinged on respectively on described equalizer switch seat; Described insulated tension pole is connected with pull bar drive unit; Described pull bar drive unit is connected with lithium electricity battery module state indicating device;
Temperature-adjusting device, is arranged on described module housing.
As preferred technical scheme, described pull bar drive unit comprises the draw-bar seat that is arranged on described insulated tension pole end, and described draw-bar seat periphery is set with the back-moving spring being resisted against on described equalizer switch seat; The described equalizer switch seat that described draw-bar seat is corresponding is provided with splined hole, translation splined shaft is installed in described splined hole, one end of described translation splined shaft is fixedly connected with described draw-bar seat, the other end of described translation splined shaft is fixed with translation cam, and the inner face of described translation cam is provided with cam helical stand; On described equalizer switch seat, be rotatablely equipped with the sheave being sleeved on outside described translation splined shaft, the outer face of described sheave is provided with sheave helical stand, and described sheave helical stand is corresponding with described cam helical stand; On described equalizer switch seat, be rotatablely equipped with the driver plate corresponding with described sheave, described driver plate is connected with reducing motor.
As preferred technical scheme, described insulated tension pole is provided with shell fragment slot, and described moving contact sheet insertion is connected in described shell fragment slot.
As preferred technical scheme, described cam helical stand comprises stressed helicoid and reset vertical plane, and sheave helical stand comprises application of force helicoid and spacing vertical plane.
As preferred technical scheme, described lithium electricity battery module state indicating device comprises the indicating arm being hinged on described equalizer switch seat, described insulated tension pole is provided with indicating arm allocating slot, the lower end of described indicating arm stretches in described indicating arm allocating slot, extend to described module upper cover the upper end of described indicating arm, covers and be provided with the form of being convenient to observe described indicating arm position in described module.
As preferred technical scheme, described lithium electricity battery pack holder comprises the annular lithium electricity battery tray with monomer lithium electricity battery end interface and insulation, described annular lithium electricity battery tray arranged in arrays and periphery link together, and the center of described annular lithium electricity battery tray is provided with the through hole of being convenient to lead-in wire.
As preferred technical scheme, described positive bus comprises the main row of the positive bus of bar shaped, the main row's of described positive bus both sides are provided with positive bus row, described positive bus row's end is to the electrode direction bending of corresponding monomer lithium electricity battery, and described positive bus row's end is provided with welding groove or the welding hole of being convenient to welding; Described negative bus-bar comprises the main row of the negative bus-bar of bar shaped, the main row's of described negative bus-bar both sides are provided with negative bus-bar row, described negative bus-bar row's end is to the electrode direction bending of corresponding monomer lithium electricity battery, and described negative bus-bar row's end is provided with welding groove or the welding hole of being convenient to welding.
As preferred technical scheme, described fexible conductor is elastic sheet metal.
As preferred technical scheme, described temperature-adjusting device comprises the fan cover plate that is inlaid in described module housing one end, described fan cover plate bottom is provided with the guide duct that abuts in described module housing madial wall, on the sidewall of described guide duct near described module housing inwall, be distributed with air guide hole, the sidewall of described module housing is provided with the active air port corresponding with described air guide hole, and Open Side Down in described active air port; The other end of described module housing is provided with the passive air port that Open Side Down, between adjacent described lithium electricity battery cohort, is also interval with wind-guiding homogenizing plate, on described wind-guiding homogenizing plate, is distributed with pod apertures; The lower end of described guide duct is provided with radiator fan, and described radiator fan is connected with cooling fan module by wire.
As preferred technical scheme, described temperature-adjusting device comprises the fan cover plate that is inlaid in described module upper cover one end, described fan cover plate bottom is provided with the guide duct that abuts in described module upper cover madial wall, on the sidewall of described guide duct near described module upper cover inwall, is distributed with air guide hole; Described active air port is arranged on the side of described module upper cover one side, and Open Side Down in described active air port, and described modular tank is provided with the active air port extension to downward-extension corresponding to place, described active air port; Described passive air port is arranged on the side of described module upper cover opposite side, and Open Side Down in described passive air port, and described modular tank is provided with the passive air port extension to downward-extension corresponding to place, described passive air port.
Owing to having adopted technique scheme, the beneficial effects of the utility model are: the first, each lithium electricity battery cohort self in lithium electricity battery module, all the time in state in parallel, has guaranteed the equilibrium between monomer lithium electricity battery in lithium electricity battery cohort; The second, between each lithium electricity battery cohort in lithium electricity battery module, by a described insulated tension pole and described pull bar drive unit, automatically carry out connection in series-parallel switching; Supplying power for outside during series connection, reliable operation; When in parallel, each lithium electricity battery pack group energy is carried out parallel connection enough simultaneously, enters equilibrium state, can not produce action spark, has greatly improved the useful life of each monomer lithium electricity battery and lithium electricity battery cohort; By lithium electricity battery module state indicating device accurately mark lithium electricity battery module in series connection output state or equilibrium state in parallel, between the electric battery module of assurance lithium, carry out correct connection.
Accompanying drawing explanation
The following drawings is only intended to the utility model to schematically illustrate and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is the external structure schematic diagram of the utility model embodiment;
Fig. 2 is one group of lithium electricity battery cohort decomposition texture schematic diagram of the utility model embodiment;
Fig. 3 is the temperature-adjusting device decomposition texture schematic diagram of the utility model embodiment;
Fig. 4 is the lithium electricity battery cohort cross-sectional view of the utility model embodiment;
Fig. 5 is the syndeton schematic diagram of the utility model embodiment lithium electricity battery cohort and electronic equalizer switch device;
Fig. 6 is the decomposition texture schematic diagram that the utility model embodiment organizes lithium electricity battery cohort more;
Fig. 7 is the structural representation of the electronic equalizer switch device of the utility model embodiment;
Fig. 8 is the decomposition texture schematic diagram of the electronic equalizer switch device of the utility model embodiment;
In figure: 1-modular tank; 2-module upper cover; 3-beam; 4-fan cover plate; 5-works anodal; The 6-negative pole of working; 7-is balanced anodal; The balanced negative pole of 8-; 9-guide duct; 10-radiator fan; 11-cooling fan module; 12-lithium electricity battery cohort holder; 13a-lithium electricity battery cohort is anodal; 13b-lithium electricity battery cohort negative pole; 14-lithium electricity battery pack holder; 14a-annular lithium electricity battery tray; 14b-through hole; 15-lithium electricity battery cohort; 16-positive bus; The main row of 16a-positive bus; 16b-positive bus row; The anodal baffler of 17-; 18-negative bus-bar; The main row of 18a-negative bus-bar; 18b-negative bus-bar row; 19-negative pole baffler; 21-equalizer switch seat; 22-equalizer switch lid; The anodal moving contact of 23a-; 23b-negative pole moving contact; The anodal output contact of 24a-; 24b-negative pole output contact; The anodal balanced contact of 25a-; The balanced contact of 25b-negative pole; 26-fexible conductor; The anodal series conductor row of 27-; 28-negative pole series conductor row; The anodal parallel conducting wire row of 29-; 30-negative pole parallel conducting wire row; 31-insulated tension pole; 32-draw-bar seat; 33-back-moving spring; 34-driver plate; 35-sheave; 36-translation cam; 37-translation splined shaft; 38-shell fragment slot; 39-sheave helical stand; 40-cam helical stand; 42-camb cap; 43-reducing motor; 44-bearing pedestal; 45-ball; 46-indicating arm; 47-rotating shaft; 48-form; 49-indicating arm allocating slot; 51-screw; 52-wind-guiding homogenizing plate; 53-air guide hole; The passive air port of 54a-; The passive air port of 54b-extension; 55a-is air port initiatively; 55b-is air port extension initiatively.
Embodiment
Below in conjunction with drawings and Examples, further set forth the utility model.In the following detailed description, only by the mode of explanation, some one exemplary embodiment of the present utility model has been described.Undoubtedly, those of ordinary skill in the art can recognize, in the situation that not departing from spirit and scope of the present utility model, can to described embodiment, revise by various mode.Therefore, accompanying drawing is illustrative with being described in essence, rather than for limiting the protection range of claim.
As shown in Fig. 1 to Fig. 8 is common, motor switch formula automatic equalization lithium electricity battery module, comprise module housing, described module housing comprises modular tank 1, described modular tank 1 bottom is furnished with is convenient to install fixing screw 51, to facilitate the installation of module housing to fix, in described modular tank 1, is installed with module upper cover 2, the end face of described module upper cover 2 is provided with work anodal 5 and work negative pole 6, and the end face of described module upper cover 2 is also provided with balanced positive pole 7 and balanced negative pole 8; In described module housing, be packaged with some lithium electricity battery cohorts 15, between described lithium electricity battery cohort 15 bottoms and described modular tank 1, be provided with beam 3, and described beam 3 is set to Rubber shock-absorbing pad, the cushioning effect that Rubber shock-absorbing pad can play lithium electricity battery cohort 15 is set.
As shown in Figure 2, Figure 3 and Figure 4, temperature-adjusting device is also installed on described module housing, described temperature-adjusting device comprises the fan cover plate 4 that is inlaid in described module housing one end, described fan cover plate 4 bottoms are provided with the guide duct 9 that abuts in described module housing madial wall, on the sidewall of described guide duct 9 near described module housing inwall, be distributed with air guide hole 53, the sidewall of described module housing is provided with the active air port 55a corresponding with described air guide hole 53, and Open Side Down for described active air port 55a; The other end of described module housing is provided with the passive air port 54a that Open Side Down, between adjacent described lithium electricity battery cohort 15, is also interval with wind-guiding homogenizing plate 52, on described wind-guiding homogenizing plate 52, is distributed with pod apertures; The lower end of described guide duct 9 is provided with radiator fan 10, described radiator fan 10 is connected with cooling fan module 11 by wire, described cooling fan module 11 is set to temperature controller, and temperature control technology is the known content of those of ordinary skill in the art, does not repeat them here.The described temperature-adjusting device of the present embodiment is mounted on module upper cover 2, its concrete structure is: described temperature-adjusting device comprises the fan cover plate 4 that is inlaid in described module upper cover 2 one end, described fan cover plate 4 bottoms are provided with the guide duct 9 that abuts in described module upper cover 2 madial walls, on the sidewall of described guide duct 9 near described module upper cover 2 inwalls, are distributed with air guide hole 53; Described active air port 55a is arranged on the side of described module upper cover 2 one sides, and Open Side Down for described active air port 55a, and described modular tank 1 is provided with the active air port extension 55b to downward-extension corresponding to 55a place, described active air port; Described passive air port 54a is arranged on the side of described module upper cover 2 opposite sides, and Open Side Down for described passive air port 54a, and described modular tank 1 is provided with the passive air port extension 54b to downward-extension corresponding to 54a place, described passive air port.
Radiator fan 10 is by being fixedly mounted on module upper cover 2 on guide duct 9 and fan cover plate 4, and by screw, is arranged on a side at module upper cover 2 tops.When changing radiator fan 10, unclamp fixing screw, just can easily guide duct 9 connection fan cover plates 4, radiator fan 10 be taken off from module upper cover 2.One side of guide duct 9 is provided with air guide hole 53.Visible thermostatic integral heat sink wind path is hidden wind path structure by reference to the accompanying drawings, outside cool breeze is that the passive air port 54a by module upper cover 2 one sides imports, the electric battery cohort 15 of the lithium of flowing through, in the middle of adjacent two lithiums electricity battery cohort 15, be provided with wind-guiding homogenizing plate 52, on wind-guiding homogenizing plate 52, offer aperture difference, the pod apertures that spacing is different, to reach, make the even object of lithium electricity battery cohort 15 internal cooling, during radiator fan 10 work, be that exhausting flows to, air guide hole 53 is connected with the active air port 55a of module upper cover 2 one sides, passive air port 54a and the initiatively structure of air port 55a are hidden, air port is all for downward, therefore even if drench with rain with there is water to fall when unexpected, can not enter the inside of lithium electricity battery cohort 15 yet, thereby play waterproof action, initiatively air port 55a is provided with initiatively air port extension 55b simultaneously, passive air port extension 54b is provided with passive air port extension 54b, two extensions are positioned at respectively the both sides of module upper cover 2, therefore can be used as the attacker of lithium electricity battery module, to facilitate carrying.Cooling fan module 11 is arranged on electronic equalizer switch device, and when temperature reaches set point, radiator fan 10 starts, and its cooling air, through the lithium electricity battery cohort 15 of flowing through successively, completes the heat radiation to lithium electricity battery cohort 15.
Lithium electricity battery cohort 15 at work, excess Temperature can cause capacity loss, when lithium electricity battery cohort 15 internal temperatures surpass 45 ℃, built-in cooling fan module 11 starts radiator fan 10 and carries out work, cooling heat dissipation is carried out in lithium electricity battery cohort 15 inside, complete the heat radiation to lithium electricity battery module, make lithium electricity battery cohort 15 always work in optimum state.
As shown in Figure 2, Figure 5 and Figure 6, the present embodiment at least two group lithium electricity battery cohorts 15, and be encapsulated in described module housing, described lithium electricity battery cohort 15 comprises the lithium electricity battery pack holder 14 that is clamped in respectively some cylindrical monomer lithium electricity batteries two ends, described monomer lithium electricity battery is divided into some lithium electricity battery subgroups, described in each, the positive pole of lithium electricity battery subgroup is fixedly welded with positive bus 16, described positive bus 16 is arranged at the outside of described lithium electricity battery pack holder 14, and described in each, positive bus 16 outsides are fixedly welded on same anodal baffler 17; Described in each, the negative pole of lithium electricity battery subgroup is fixedly welded with negative bus-bar 18, and described negative bus-bar 18 is arranged at the outside of described lithium electricity battery pack holder 14, and described in each, negative bus-bar 18 outsides are fixedly welded on same negative pole baffler 19; The anodal 13a of lithium electricity battery cohort is installed on described anodal baffler 17, lithium electricity battery cohort negative pole 13b is installed on described negative pole baffler 19; The top of the described lithium electricity anodal 13a of battery cohort and described lithium electricity battery cohort negative pole 13b is installed with lithium electricity battery cohort holder 12, and described lithium electricity battery cohort holder 12 is fixedly mounted in described modular tank 1.
Above-mentioned described positive bus 16 and the main purpose of described negative bus-bar 18 are exactly the sectional area that increases baffle, described anodal baffler 17 is installed on the anodal 13a of described lithium electricity battery cohort by bolt, described negative pole baffler 19 is installed on described lithium electricity battery cohort negative pole 13b by bolt, and the described lithium electricity anodal 13a of battery cohort and described lithium electricity battery cohort negative pole 13b are set to respectively metal polar plate, the simultaneously described lithium electricity anodal 13a of battery cohort and described lithium electricity battery cohort negative pole 13b are fixed by screws on lithium electricity battery cohort holder 12, by the connection of each part mentioned above, realized lithium electricity battery cohort 15 has been fixedly mounted on lithium electricity battery cohort holder 12.
Wherein said lithium electricity battery pack holder 14 comprises the annular lithium electricity battery tray 14a with monomer lithium electricity battery end interface and insulation, described annular lithium electricity battery tray 14a arranged in arrays and periphery link together, described annular lithium electricity battery tray 14a center is provided with the through hole 14b of being convenient to lead-in wire, annular lithium electricity battery tray 14a carries out matrix form by monomer lithium electricity battery and be arranged in parallel fixing, make a plurality of monomer lithium electricity battery-arrangements neat, be convenient to being welded and fixed of described positive bus 16 and described negative bus-bar 18.
The main row of the positive bus 16a that described positive bus 16 comprises bar shaped, the both sides of the main row of described positive bus 16a are provided with positive bus row 16b, the end of described positive bus row 16b is to the electrode direction bending of corresponding monomer lithium electricity battery, and the end of described positive bus row 16b is provided with welding groove or the welding hole of being convenient to welding; The main row of the negative bus-bar 18a that described negative bus-bar 18 comprises bar shaped, the both sides of the main row of described negative bus-bar 18a are provided with negative bus-bar row 18b, the end of described negative bus-bar row 18b is to the electrode direction bending of corresponding monomer lithium electricity battery, the end of described negative bus-bar row 18b is provided with welding groove or the welding hole of being convenient to welding, the welding groove that the present embodiment is used, bonding area is large, good fixing effect.
As shown in Figure 7 and Figure 8, electronic equalizer switch device, be arranged in the described module housing of described lithium electricity battery cohort 15 tops, comprise equalizer switch seat 21, equalizer switch seat 21 is installation main bodys of described electronic equalizer switch device, bottom coordinates assembling with lithium electricity battery cohort holder 12, the equalizer switch lid 22 being used in conjunction with is installed on described equalizer switch seat 21, equalizer switch seat 21 encapsulates each device parts of electronic equalizer switch device fixing together with equalizer switch lid 22, to facilitate installation.Corresponding with the electric battery cohort 15 of lithium described in each respectively equalizer switch sets of contacts is installed on described equalizer switch seat 21, and described equalizer switch sets of contacts comprises anodal moving contact 23a and negative pole moving contact 23b, the anodal output contact 24a arranging in pairs and negative pole output contact 24b, the positive pole equilibrium contact 25a arranging in pairs and the balanced contact 25b of negative pole of paired setting, described anodal moving contact 23a is connected to the anodal 13a of described lithium electricity battery cohort by fexible conductor 26, described negative pole moving contact 23b is connected to described lithium electricity battery cohort negative pole 13b by fexible conductor 26, described fexible conductor 26 is elastic sheet metal, there is good elasticity, to facilitate it to be resisted against between all parts in electronic equalizer switch device, between described anodal output contact 24a, be connected with anodal series conductor row 27, described anodal series conductor row 27 is connected with described work anodal 5, between described negative pole output contact 24b, be connected with negative pole series conductor row 28, described negative pole series conductor row 28 is connected with described work negative pole 6, has realized the electric energy of lithium electricity battery cohort 15 is drawn, between the balanced contact 25a of described positive pole, be connected with anodal parallel conducting wire row 29, described anodal parallel conducting wire row 29 connects with described balanced anodal 7, between the balanced contact 25b of described negative pole, be connected with negative pole parallel conducting wire row 30, described negative pole parallel conducting wire row 30 connects with described balanced negative pole 8, to facilitate balanced use, on described equalizer switch seat 21, insulated tension pole 31 is installed, on described insulated tension pole 31, be connected with the moving contact shell fragment corresponding with described lithium electricity battery cohort 15 quantity, the two ends of described moving contact shell fragment are connected to respectively described anodal moving contact 23a and described negative pole moving contact 23b, the outer end of described anodal moving contact 23a and described negative pole moving contact 23b is hinged on respectively on described equalizer switch seat 21, described insulated tension pole 31 is provided with shell fragment slot 38, described moving contact sheet insertion is connected in described shell fragment slot 38, when insulated tension pole 31 carries out translation, can pull the translation of moving contact shell fragment by shell fragment slot 38, the anodal moving contact 23a and the negative pole moving contact 23b that arrange are in pairs swung back and forth along its afterbody, described insulated tension pole 31 is connected with pull bar drive unit, described lithium electricity battery cohort 15, described temperature-adjusting device and described electronic equalizer switch device are also connected to respectively battery management system, battery management system (BMS management system) is the known prior art content of those of ordinary skill in the art, here repeats no more.Certainly, electronic equalizer switch device also can be set to the conventional components of the control circuit conductings such as relay or disconnection.Certainly, described electronic equalizer switch device also can be set to the conventional control assemblies such as relay.
When the power supply of lithium electricity battery cohort 15 is normally exported, by electronic equalizer switch device, by 15 series connection of lithium electricity battery cohort, when balanced, the battery management system output of cutting off the electricity supply, starts electronic equalizer switch device by 15 parallel connections of the electric battery cohort of lithium.Completing this process is to be driven into the action conversion of the anodal moving contact 23a of setting and negative pole moving contact 23b is realized by pull bar drive unit.
As shown in Figure 7 and Figure 8, described pull bar drive unit comprises the draw-bar seat 32 that is arranged on described insulated tension pole 31 ends, and described draw-bar seat 32 peripheries are set with the back-moving spring 33 being resisted against on described equalizer switch seat 21; The described equalizer switch seat 21 of described draw-bar seat 32 correspondences is provided with splined hole, translation splined shaft 37 is installed in described splined hole, one end of described translation splined shaft 37 is fixedly connected with described draw-bar seat 32 by connecting bolt, the other end of described translation splined shaft 37 is fixed with translation cam 36, and the inner face of described translation cam 36 is provided with cam helical stand 40; On described equalizer switch seat 21, be rotatablely equipped with the sheave 35 being sleeved on outside described translation splined shaft 37, the outer face of described sheave 35 is provided with sheave helical stand 39, described sheave helical stand 39 is corresponding with described cam helical stand 40, described cam helical stand 40 comprises stressed helicoid and reset vertical plane, and sheave helical stand 39 comprises application of force helicoid and spacing vertical plane.On described equalizer switch seat 21, be rotatablely equipped with the driver plate 34 corresponding with described sheave 35, on described equalizer switch seat 21, camb cap 42 is detachably installed, on described camb cap 42, be connected with the reducing motor 43 that drives described driver plate 34, described reducing motor 43 is connected to described battery management system by wire.
The moving contact shell fragment of moving contact front end is under the pulling of shell fragment slot 38 and insulated tension pole 31, usining its tail end swings as axle point, thereby realizes the connecting and disconnecting of contact and anodal output contact 24a and negative pole output contact 24b or anodal balanced contact 25a and the balanced contact 25b of negative pole.
The course of work of pull bar drive unit is as described below:
Translation cam 36 is connected with translation splined shaft 37 by screw, translation splined shaft 37 coordinates with the splined hole being provided with in equalizer switch seat 21, can realize insulated tension pole 31 parallels, but translation cam 36 can not rotate, and the sheave 35 being sleeved on translation cam 36 is rotatable, described sheave 35 1 sides are provided with bearing pedestal 44, on described equalizer switch seat 21, corresponding described bearing pedestal 44 is provided with ball grooves, between described ball grooves and described bearing pedestal 44, be provided with ball 45, the coefficient of friction while rotating to reduce sheave 35, described sheave helical stand 39 is set to three, described cam helical stand 40 is also set to three accordingly, two groups of spiral convex surfaces be respectively 120 ° uniform, described sheave 35 is set to Ma Shi sheave, and be set to six tooth socket wheels, when driver plate 34 rotates a circle, stir 60 ° of sheave 35 rotations, because parallel cam can not rotate, three sheave helical stands 39 on sheave 35 are when sheave 35 rotation, position relative to three cam helical stands 40 with translation cam 36 can change along with rotating of sheave 35, the convex surface that is sheave helical stand 39 and cam helical stand 40 is realized stressed helicoid and application of force helicoid successively, the position of rotation of spacing vertical plane and reset vertical plane changes, make translation cam 36 realize parallel.The concrete spacing vertical plane when sheave helical stand 39 is when the reset vertical plane position with cam helical stand 40 coordinates, insulated tension pole 31 pulls anodal moving contact 23a to contact respectively with negative pole output contact 24b with anodal output contact 24a, negative pole moving contact 23b, and lithium electricity battery cohort 15 is realized normal Voltage-output, when needs lithium electricity battery cohort 15 is balanced, BMS management system is sent action command, start reducing motor 43 and drag driver plate 34, 35 rotations of engagement sheave, the helicoid of two groups of spiral table tops and the cooperation position of vertical plane change, when rotating to two vertical planes disengagings of two helical stands, insulated tension pole 31 links under the effect of back-moving spring 33, reduction due to the height of two helicoids, translation cam 36 is realized moment fast moving, insulated tension pole 31 is stirred anodal moving contact 23a and anodal output contact 24a, negative pole moving contact 23b and negative pole output contact 24b discharge respectively, and anodal moving contact 23a and anodal balanced contact 25a, negative pole moving contact 23b contact 25b balanced with negative pole is closed respectively, sheave 35 stops after having completed the spinning movement of a week, now the both positive and negative polarity of each lithium electricity battery cohort 15 is respectively in state in parallel, its current potential is all in a level, so just realized the equalization parameter of lithium electricity battery cohort 15.
When lithium electricity battery cohort is when needs are balanced, first BMS management system cuts off the power supply output of lithium electricity battery cohort 15, there is no to realize under the state of electric current output the equilibrium of lithium electricity battery cohort, output is now zero potential, at anodal moving contact 23a and anodal output contact 24a, disconnect, the moment of contact 25a contact balanced with positive pole, negative pole moving contact 23b and negative pole output contact 24b disconnect, the moment of contact 25b contact balanced with negative pole can not produce action spark, but now the parameter of each lithium electricity battery cohort 15 is also inconsistent, the lithium electricity battery cohort 15 of prior art (when lithium electricity battery cohort is in parallel) when equilibrium has large electric current moment and flows to electronegative potential from high potential, contact can produce discharge spark when closure, and then ablation contact affects the working life of lithium electricity battery cohort 15, and the present embodiment is when balanced operation state, the quick acting that insulated tension pole 31 is realized under the effect of back-moving spring 33, the moment of having realized contact switches, balanced end, BMS management system is sent instruction, reducing motor 43 drags driver plate 34 rotations, driver plate 34 engagement sheave 35 rotations, insulated tension pole 31 stirs anodal moving contact 23a and negative pole moving contact 23b is transformed into normal power source output, now because power supply output is in dissengaged positions, therefore anodal moving contact 23a and negative pole moving contact 23b can not produce spark when action, after completing output state conversion, BMS management system connects the power supply output of controlling logical lithium electricity battery cohort 15, make the state of this device in normal work, and then eliminated the short defect of above-mentioned working life.
In the present embodiment, the rotation of sheave 35 is to be realized by driver plate 34 engagement rotations, and the rotation of driver plate 34 is dragged by reducing motor 43, the rotation of reducing motor 43 is controlled and is realized by BMS management system, by being set, BMS management system often sends a program control instruction, reducing motor 43 drags driver plate 34 and rotates a circle, thereby has realized normal output and the balanced conversion of lithium electricity battery cohort 15.
As shown in Fig. 1 and Fig. 8, described pull bar drive unit is connected with lithium electricity battery module state indicating device, described lithium electricity battery module state indicating device comprises by rotating shaft 47 and is hinged on the indicating arm 46 on described equalizer switch seat 21, described insulated tension pole 31 is provided with indicating arm allocating slot 49, the lower end of described indicating arm 46 stretches in described indicating arm allocating slot 49, extend to described module upper cover 2 upper end of described indicating arm 46, and described module upper cover 2 is provided with the form 48 of being convenient to observe described indicating arm 46 positions.When insulated tension pole 31 moves, drag indicating arm 46 and 47 realize swing around the shaft, by the transparent window 48 of module upper cover 2, can observe lithium electricity battery cohort 15 is in power supply output state or in equilibrium state, and this is very important when lithium electricity battery cohort 15 is installed.
The present embodiment only provides the technical scheme of single lithium electricity battery module, in practical application, can be according to the requirement of the voltage of motor vehicle and capacity, respectively a plurality of lithium electricity group of battery modules are combined, each lithium electricity battery module is cascaded by work positive pole and work negative pole simultaneously, and each lithium electricity battery module is connected in parallel by balanced positive pole and balanced negative pole, so just can realize a plurality of lithium electricity battery module co-operation and equilibrium.In described module, cover to be also provided with and be convenient to the communication interface that is connected with described battery management system, certainly this communication interface is according to the difference of electric vehicle structure, can be arranged on as waited other positions in modular tank, battery management system can be arranged on driver's cabin or other position of electric automobile, in the accompanying drawing of the present embodiment, does not show.
Because this device in use can arrange several lithium electricity battery modules, along with using between each lithium electricity battery module, can there is certain parameter differences, to this difference, can use BMS management system to carry out unified management, the concrete function that BMS management system possesses is as follows:
(1) accurately estimate the state-of-charge (SOC) of lithium electricity battery cohort: i.e. the dump energy of lithium electricity battery module, guarantee that SOC maintains in rational scope, prevent owing to overcharging or overdischarge causes damage to lithium electricity battery module, and show at any time the SOC of lithium electricity battery module.
(2) dynamic monitoring: lithium electricity battery module in charge and discharge process, the total voltage of the terminal voltage of every monomer lithium electricity battery in Real-time Collection lithium electricity battery module, temperature, discharging current and lithium electricity battery module; Meanwhile, can detect in time the situation of monomer lithium electricity battery, keep reliability and the high efficiency of whole lithium electricity battery module.
(3) equilibrium of lithium electricity cell apparatus: keep in lithium electricity battery cohort each monomer lithium electricity battery balanced at consistent state, be controlled at by BMS management system in time of setting whole lithium electricity battery module is carried out to equilibrium.
(4) working temperature of lithium electricity cell apparatus is controlled: because lithium electricity battery module can produce high temperature when the high power charging-discharging, excess Temperature can affect the normal use of lithium electricity battery module, when the temperature rise of lithium electricity battery module surpasses 45 ℃, the radiator fan starting on module housing is lowered the temperature to lithium electricity battery cohort, to keep lithium electricity battery module to be operated in optimum Working.
More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (10)
1. motor switch formula automatic equalization lithium electricity battery module, is characterized in that, comprising:
Module housing, comprises modular tank, is installed with module upper cover in described modular tank; The end face of described module upper cover is provided with work positive pole and work negative pole, and the end face of described module upper cover is also provided with balanced positive pole and balanced negative pole;
At least two group lithium electricity battery cohorts, be encapsulated in described module housing, described lithium electricity battery cohort comprises the lithium electricity battery pack holder that is clamped in respectively some cylindrical monomer lithium electricity batteries two ends, described monomer lithium electricity battery is divided into some lithium electricity battery subgroups, described in each, the positive pole of lithium electricity battery subgroup is fixedly welded with positive bus, described positive bus is arranged at the outside of described lithium electricity battery pack holder, and described in each, positive bus outside is fixedly welded on same anodal baffler; Described in each, the negative pole of lithium electricity battery subgroup is fixedly welded with negative bus-bar, and described negative bus-bar is arranged at the outside of described lithium electricity battery pack holder, and described in each, negative bus-bar outside is fixedly welded on same negative pole baffler; Lithium electricity battery cohort is installed anodal on described anodal baffler, lithium electricity battery cohort negative pole is installed on described negative pole baffler; Described lithium electricity battery cohort top anodal and described lithium electricity battery cohort negative pole is installed with lithium electricity battery cohort holder, and described lithium electricity battery cohort holder is fixedly mounted in described modular tank;
Electronic equalizer switch device, be arranged in the described module housing of described lithium electricity battery cohort top, comprise equalizer switch seat, corresponding with the electric battery cohort of lithium described in each respectively equalizer switch sets of contacts is installed on described equalizer switch seat, and described equalizer switch sets of contacts comprises anodal moving contact and negative pole moving contact, the anodal output contact arranging in pairs and negative pole output contact, the positive pole equilibrium contact arranging in pairs and the balanced contact of negative pole of paired setting; It is anodal that described anodal moving contact is connected to described lithium electricity battery cohort by fexible conductor, and described negative pole moving contact is connected to described lithium electricity battery cohort negative pole by fexible conductor; Between described anodal output contact, be connected with anodal series conductor row, described anodal series conductor row is connected with described work is anodal, is connected with negative pole series conductor row between described negative pole output contact, and described negative pole series conductor row is connected with described work negative pole; Between the balanced contact of described positive pole, be connected with anodal parallel conducting wire row, described anodal parallel conducting wire row and described balanced anodal connection, described negative pole is connected with negative pole parallel conducting wire row between balanced contact, and described negative pole parallel conducting wire row connects with described balanced negative pole; On described equalizer switch seat, insulated tension pole is installed, on described insulated tension pole, be connected with the moving contact shell fragment corresponding with described lithium electricity battery cohort quantity, described moving contact shell fragment is connected to respectively described anodal moving contact and described negative pole moving contact, and the outer end of described anodal moving contact and described negative pole moving contact is hinged on respectively on described equalizer switch seat; Described insulated tension pole is connected with pull bar drive unit; Described pull bar drive unit is connected with lithium electricity battery module state indicating device;
Temperature-adjusting device, is arranged on described module housing.
2. motor switch formula automatic equalization lithium as claimed in claim 1 electricity battery module, it is characterized in that, described pull bar drive unit comprises the draw-bar seat that is arranged on described insulated tension pole end, and described draw-bar seat periphery is set with the back-moving spring being resisted against on described equalizer switch seat; The described equalizer switch seat that described draw-bar seat is corresponding is provided with splined hole, translation splined shaft is installed in described splined hole, one end of described translation splined shaft is fixedly connected with described draw-bar seat, the other end of described translation splined shaft is fixed with translation cam, and the inner face of described translation cam is provided with cam helical stand; On described equalizer switch seat, be rotatablely equipped with the sheave being sleeved on outside described translation splined shaft, the outer face of described sheave is provided with sheave helical stand, and described sheave helical stand is corresponding with described cam helical stand; On described equalizer switch seat, be rotatablely equipped with the driver plate corresponding with described sheave, described driver plate is connected with reducing motor.
3. motor switch formula automatic equalization lithium electricity battery module as claimed in claim 1, is characterized in that, described insulated tension pole is provided with shell fragment slot, and described moving contact sheet insertion is connected in described shell fragment slot.
4. motor switch formula automatic equalization lithium electricity battery module as claimed in claim 2, is characterized in that, described cam helical stand comprises stressed helicoid and reset vertical plane, and sheave helical stand comprises application of force helicoid and spacing vertical plane.
5. motor switch formula automatic equalization lithium as claimed in claim 1 electricity battery module, it is characterized in that, described lithium electricity battery module state indicating device comprises the indicating arm being hinged on described equalizer switch seat, described insulated tension pole is provided with indicating arm allocating slot, the lower end of described indicating arm stretches in described indicating arm allocating slot, extend to described module upper cover the upper end of described indicating arm, covers and be provided with the form of being convenient to observe described indicating arm position in described module.
6. motor switch formula automatic equalization lithium as claimed in claim 1 electricity battery module, it is characterized in that, described lithium electricity battery pack holder comprises the annular lithium electricity battery tray with monomer lithium electricity battery end interface and insulation, described annular lithium electricity battery tray arranged in arrays and periphery link together, and the center of described annular lithium electricity battery tray is provided with the through hole of being convenient to lead-in wire.
7. motor switch formula automatic equalization lithium as claimed in claim 1 electricity battery module, it is characterized in that, described positive bus comprises the main row of the positive bus of bar shaped, the main row's of described positive bus both sides are provided with positive bus row, described positive bus row's end is to the electrode direction bending of corresponding monomer lithium electricity battery, and described positive bus row's end is provided with welding groove or the welding hole of being convenient to welding; Described negative bus-bar comprises the main row of the negative bus-bar of bar shaped, the main row's of described negative bus-bar both sides are provided with negative bus-bar row, described negative bus-bar row's end is to the electrode direction bending of corresponding monomer lithium electricity battery, and described negative bus-bar row's end is provided with welding groove or the welding hole of being convenient to welding.
8. motor switch formula automatic equalization lithium electricity battery module as claimed in claim 1, is characterized in that, described fexible conductor is elastic sheet metal.
9. motor switch formula automatic equalization lithium as claimed in claim 1 electricity battery module, it is characterized in that: described temperature-adjusting device comprises the fan cover plate that is inlaid in described module housing one end, described fan cover plate bottom is provided with the guide duct that abuts in described module housing madial wall, on the sidewall of described guide duct near described module housing inwall, be distributed with air guide hole, the sidewall of described module housing is provided with the active air port corresponding with described air guide hole, and Open Side Down in described active air port; The other end of described module housing is provided with the passive air port that Open Side Down, between adjacent described lithium electricity battery cohort, is also interval with wind-guiding homogenizing plate, on described wind-guiding homogenizing plate, is distributed with pod apertures; The lower end of described guide duct is provided with radiator fan, and described radiator fan is connected with cooling fan module by wire.
10. motor switch formula automatic equalization lithium as claimed in claim 9 electricity battery module, it is characterized in that: described temperature-adjusting device comprises the fan cover plate that is inlaid in described module upper cover one end, described fan cover plate bottom is provided with the guide duct that abuts in described module upper cover madial wall, on the sidewall of described guide duct near described module upper cover inwall, is distributed with air guide hole; Described active air port is arranged on the side of described module upper cover one side, and Open Side Down in described active air port, and described modular tank is provided with the active air port extension to downward-extension corresponding to place, described active air port; Described passive air port is arranged on the side of described module upper cover opposite side, and Open Side Down in described passive air port, and described modular tank is provided with the passive air port extension to downward-extension corresponding to place, described passive air port.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420167228.5U CN203826511U (en) | 2014-04-04 | 2014-04-04 | Motor-operated switch type automatic balancing lithium ion battery module |
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| CN201420167228.5U CN203826511U (en) | 2014-04-04 | 2014-04-04 | Motor-operated switch type automatic balancing lithium ion battery module |
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| CN203826511U true CN203826511U (en) | 2014-09-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531920A (en) * | 2016-12-08 | 2017-03-22 | 深圳市鹏诚新能源科技有限公司 | Lithium battery energy storage power supply and solar streetlamp |
| CN106608193A (en) * | 2015-10-23 | 2017-05-03 | 深圳格林德能源有限公司 | Super intelligent dynamic series-parallel connection and ultimate self balancing power system |
| CN107680844A (en) * | 2017-11-29 | 2018-02-09 | 石家庄杰泰特动力能源有限公司 | The intelligent switch of battery modules both positive and negative polarity output end |
-
2014
- 2014-04-04 CN CN201420167228.5U patent/CN203826511U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106608193A (en) * | 2015-10-23 | 2017-05-03 | 深圳格林德能源有限公司 | Super intelligent dynamic series-parallel connection and ultimate self balancing power system |
| CN106608193B (en) * | 2015-10-23 | 2019-01-18 | 深圳格林德能源有限公司 | A kind of series-parallel dynamical system with ultimate self-balancing of supper-intelligent dynamic |
| CN106531920A (en) * | 2016-12-08 | 2017-03-22 | 深圳市鹏诚新能源科技有限公司 | Lithium battery energy storage power supply and solar streetlamp |
| CN107680844A (en) * | 2017-11-29 | 2018-02-09 | 石家庄杰泰特动力能源有限公司 | The intelligent switch of battery modules both positive and negative polarity output end |
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