CN204615449U - A kind of Dual-power device of electric motor car and electric motor car thereof - Google Patents
A kind of Dual-power device of electric motor car and electric motor car thereof Download PDFInfo
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- CN204615449U CN204615449U CN201520285727.9U CN201520285727U CN204615449U CN 204615449 U CN204615449 U CN 204615449U CN 201520285727 U CN201520285727 U CN 201520285727U CN 204615449 U CN204615449 U CN 204615449U
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Abstract
The utility model discloses a kind of Dual-power device and electric motor car thereof of electric motor car, described Dual-power device comprises the first battery pack (4), the second battery pack (1), measure and control device (2) and logic interfacing (3); Described first battery pack is secondary cell, the power input of its electrical connection logic interfacing (3) and described electric motor car; Described second battery pack comprises primary cell, the power input of its electrical connection measure and control device (2); The output of described measure and control device is electrically connected the first battery pack (4) or is electrically connected the first battery pack by logic interfacing (3); Described measure and control device can gather, process the real-time status signal of the first battery pack, realizes the second battery pack supplement the electric energy of the first battery pack in setting logic state.Described electric motor car contains at least a set of described Dual-power device.The utility model effectively can increase the mileages of continuation of electric motor car, adapts to the designing requirement of high-end electric motor car.
Description
Technical field
The utility model relates to electric motor car and Power Management Design field thereof, the Dual-power device of particularly a kind of electric motor car and the electric motor car containing this Dual-power device.
Background technology
Closely during the last ten years, China's electric bicycle obtains explosive fast development, and market maintenance has exceeded 1.8 hundred million; Electric automobile is also planned to the height of strategic development, according to industry statistic in 2013, domesticly 17600 electric motor cars and plug-in hybrid electric car are sold out, be equivalent to the U.S. then 18% of sales volume, 53% of European sales volume and Japanese sales volume 57%, on this basis, government proposes the target of sales volume in 2015 500000.
Be accustomed to by domestic industry, electric automobile refers to that speed per hour can be greater than 80 kilometers/hour, check and approve the electric four-wheel vehicle of management of registering the license; In battery technology characteristic aspect, the electric motor car of 46348 electric motor cars that daily output leaf sold in 2013 and tesla, is mainly application lithium battery; And the same year, the domestic QQ3 except configuring lead-acid battery sold 5727, the electric motor car sales volume of all the other configuration lithium batteries is less than 1500.Domestic ev industry development is not reached to the reason of expection, industry specialists is summed up as two aspects more: one is substantially do not touch aligned environment construction except purchasing car subsidy, and specialty charging field is deficient; Two is that to meet the product of public demand few, and battery and core material techno-absence, product difficulty reaches equilibrium consumption in weight, cost and course continuation mileage, and cost performance is lower.
In ev industry, significant be the low-speed electronic automobile that domestic regional area rises, this kind of low-speed electronic automobile is is seldom checked and approved so far and to be registered the license management, and produce market is huge.The technology application characteristic of this kind of low-speed electronic automobile is configuration lead-acid battery, and industry specialists generally believes after further standardized administration measure, as long as battery technology is upgraded further, expection year sales volume can grow to more than 2,000,000 from current nearly 300,000.Industry main flow expert to the prevailing paradigm of " technology upgrading ", be think should configuration lead-acid battery low-speed electronic automobile change into configuration higher-energy lithium battery, but present stage lithium battery fail safe especially cost performance do not had an optimistic view of by market; Forward position research is thought, market occurs that the more advantageous new pattern environment protection battery of a kind of fail safe, cost performance is in the near future, and low-speed electronic car will obtain more significant progress when the time comes.
A trend of current international electric automobile market is development oil, electricity double source hybrid vehicle, also there is the technical tendency promoting mileages of continuation by increasing number of batteries in domestic electric motor car market, wherein a kind of design philosophy is for adopting two-way power battery pack, its technical pattern is characterized as: on conventional design basis, the electrokinetic cell that parallel increase by a group is of the same type, two-way battery cross-reference (energy that the many acquisitions of electric discharge interval are limited can be utilized), or one group of electrokinetic cell is finished another group electrokinetic cell of rear use, but it exists technology, and income is low, the defect that manufacturing cost is high.
Utility model content
The purpose of this utility model, be to overcome the short defect of existing full charge endurance of electromobile, for electric motor car provides the combining structure power supply of a kind of power battery pack and battery backup, effectively can increase the mileages of continuation of electric motor car, and the technical need that reply power battery pack keeps electric motor car to continue a journey under deficient electricity condition.
For achieving the above object, the utility model provides a kind of Dual-power device of electric motor car, and described Dual-power device comprises the first battery pack 4, second battery pack 1, measure and control device 2 and logic interfacing 3; Described first battery pack 4 is secondary cell, the power input of its electrical connection logic interfacing 3 and described electric motor car; Described second battery pack 1 comprises primary cell, the power input of its electrical connection measure and control device 2; The output of described measure and control device 2 is electrically connected the first battery pack 4 or is electrically connected the first battery pack 4 by logic interfacing 3; The signal input part of described measure and control device 2 connects the first battery pack 4 or connects the first battery pack 4 by logic interfacing 3.Described measure and control device 2 can gather the signal of the first battery pack 4 real-time status, and processes signal, makes described Dual-power device realize the second battery pack 1 in setting logic state and supplements the electric energy of the first battery pack 4.
Described secondary cell is the battery used that can repeatedly charge.
Described primary cell is the single use battery without the need to charging.
One as technique scheme is improved, and described measure and control device 2 comprises filtering protection module 2a, signal acquisition process module 2b and DC/DC charging module 2c; Described signal acquisition process module 2b comprises voltage collection circuit and/or battery capacity Acquisition Circuit.The discrete setting of aforesaid each module selective or shared integrated module realize its function.
Preferably, the described discrete setting of DC/DC charging module 2c, its power input is electrically connected the second battery pack 1, power output end electrical connection logic interfacing 3 or described first battery pack 4, signal input part connection signal acquisition processing module 2b.
As another improvement of technique scheme, described Dual-power device also comprises voltage hoisting module 5, voltage hoisting module 5 comprises power input, power output end and signal input part, its power input is electrically connected the second battery pack 1, its power output end electrical connection DC/DC charging module 2c, its signal input part connects measure and control device 2.Describedly in Dual-power device, arranging voltage hoisting module 5, is be applied to the low situation of voltage ratio first battery pack 4 voltage of the second battery pack 1.
As another improvement of technique scheme, described voltage hoisting module 5 and the discrete setting of measure and control device 2, its partial function or repertoire are integrated in measure and control device 2.
Preferably, described DC/DC charging module 2c comprises output voltage constant circuit and output current limiting circuit; The output current not notch shape of DC/DC charging module.
Improve as another of technique scheme, described Dual-power device also comprises capacitor 6, and the input of described capacitor 6 and measure and control device 2 is or/and output is in parallel is electrically connected.
Preferably, described second battery pack 1 also comprises secondary cell or/and device for converting electric energy; Described device for converting electric energy comprises storage hydrogen device for converting electric energy, fuel electric generating apparatus, device of solar generating or wind electricity generating system.
Preferably, when described second battery pack 1 selects secondary cell, described Dual-power device also comprises supplementary electric installation 7; Supplement electric installation 7 and comprise power output end, power input and signal input part, its power output end is electrically connected the second battery pack 1, and its power input electrical connection logic interfacing 3 or the first battery pack 4, its signal input part connects measure and control device 2.
The invention also discloses the described electric motor car containing above-mentioned arbitrary Dual-power device, described electric motor car at least arranges a set of described Dual-power device.Described electric motor car comprises vehicle frame, power driven system and at least one wheel, and arbitrarily, described wheel comprises the accurate single-wheel structure of single-wheel hub and coaxial compact installation two wheel hubs for described vehicle frame and power driven system; Described is substitute battery pack powered by conventional energy with Dual-power device containing Dual-power device.
In the entire vehicle design of described electric motor car, also the partial logic function of described measure and control device 2 or whole logic function can be integrated in the central control system of described electric motor car.
The configurable conventional electric car of the utility model, need to be the first battery pack 4 electric energy supplement when electric motor car, or when the real-time voltage of the first battery pack or real time capacity value are lower than set threshold values, second battery pack 1 of enabling with car movement is the first battery pack 4 electric energy supplement, the dependence of conventional electric car to fixing charging occasion can be slowed down to a certain extent, can be regarded as and one " mobile charging stake " is provided to conventional electric car.
The utility model is for the design feature of the existing electric motor car in market, by being electric motor car configuration Dual-power device, effectively can increase the mileages of continuation of electric motor car, for electric motor car keeps continuation of the journey to provide a kind of feasible technical scheme under power battery pack (the first battery pack) owes electricity condition.
The electrokinetic cell applied in the market mainly secondary cell, described secondary cell is rechargeable battery after comprising all electric discharges, such as lithium battery, excide battery, nickel-based battery and metal hydrogen storage battery etc., its energy storage density is lower, and the utility model is intended to utilization second battery pack and makes up the low technological deficiency of secondary cell specific energy.The described preferred primary cell of the second battery pack, because the specific energy of primary cell is general higher, easily meets the idle capacity requirement to the second battery pack electric energy supplement, described primary cell such as zinc-air cell, aluminum-air cell etc.; Second battery pack also can select secondary cell, and preferred specific energy, higher than the secondary cell of the first battery pack 4, such as, when the first battery pack 4 adopts lead-acid battery, can select lithium battery as the second battery pack 1; The second described battery pack also can select the device for converting electric energy of the arbitrary forms such as various fuel cell (such as storing up hydrogen device for converting electric energy) and fuel electric generating apparatus, device of solar generating, wind electricity generating system.
The utility model has the advantage of: use the second battery pack that specific energy is higher, by to electric vehicle attached Dual-power device, effectively increase the mileages of continuation of electric motor car, the technical problem that electric motor car keeps longer course continuation mileage under power battery pack (the first battery pack) owes electricity condition can be solved, carry out that supporting electric vehicle structure is simple with this scheme, combination variation, cost be low, effectively adapt to the designing requirement of high-end electric motor car.
Accompanying drawing explanation
Fig. 1 a is a kind of foundation structure schematic diagram of the present utility model.
Fig. 1 b is another kind of foundation structure schematic diagram of the present utility model.
Fig. 1 c is the Dual-power device structural representation arranging two cover second battery pack and measure and control device.
Fig. 2 is a kind of logic control constructs schematic diagram of the present utility model.
Fig. 3 is a kind of logic control constructs schematic diagram that DC/DC charging module is independently arranged.
Fig. 4 is a kind of logic control constructs schematic diagram setting up voltage hoisting module.
A kind of logic control constructs schematic diagram that Fig. 5 is DC/DC charging, voltage hoisting module is independently arranged.
Fig. 6 is the capacitor schematic diagram in parallel with measure and control device output.
Fig. 7 is a kind of logic control constructs schematic diagram arranging two filtering protection modules.
Fig. 8 is a kind of logic control constructs schematic diagram setting up supplementary electric installation.
Fig. 9 is a kind of partial structurtes schematic diagram that the utility model is applied to electric two-wheel vehicle.
Figure 10 is a kind of partial structurtes schematic diagram that the utility model is applied to electric four-wheel vehicle.
Accompanying drawing identifies:
1, the second battery pack; 2, measure and control device; 2a, filtering protection module; 2b, signal acquisition process module; 2c, DC/DC charging module; 3, logic interfacing; 4, the first battery pack; 5, voltage hoisting module; 6, capacitor; 7, the supplementary electric installation of the second battery pack; 8, vehicle frame; 9, wheel.
Embodiment
Further the utility model is described in detail below in conjunction with drawings and Examples.
As shown in Figure 1a, basic components comprise the second battery pack 1, measure and control device 2, logic interfacing 3 and the first battery pack 4 to a kind of foundation structure of Dual-power device described in the utility model, and the signal input part of measure and control device 2 directly connects the first battery pack 4; As shown in Figure 1 b, the signal input part of measure and control device 2 connects the first battery pack 4 by logic interfacing 3 to the another kind of foundation structure of described Dual-power device.The foundation structure of described Dual-power device, include the second battery pack 1, measure and control device 2 and logic interfacing 3 that more than two covers are set, and the second battery pack 1 and the multiple combination such as measure and control device 2, shared logic interfacing 3 (as illustrated in figure 1 c) of more than two covers are set.The second described battery pack comprises the higher primary cell of specific energy, also can preferably specific energy than the high secondary cell of the first battery pack; When the second battery pack 1 and the first battery pack 4 specific energy roughly the same (type selecting is identical), when even the specific energy of the second battery pack 1 is lower than the first battery pack 4, technology implementation result of the present utility model can be reduced.
Electrokinetic cell mainly excide battery and the lithium battery of existing market electric motor car configuration, the specific energy of excide battery is lower, about 35VAh/Kg; Although lithium battery monomer specific energy can reach 100VAh/Kg, need additional management system and numerous monomer connecting lines in practicality, the course continuation mileage that two class electrokinetic cells join car all owes desirable; The specific energy of primary cell is general higher, the theoretical specific energy of such as aluminum-air cell can reach more than 8000VAh/Kg, the aluminum-air cell specific energy that Recent experimental room makes reaches more than 1000VAh/Kg, but this kind of primary cell is the general defect large with internal resistance also, though its specific energy is high, large current discharging capability especially transient high-current (pulse high current) discharge capability is not so good as secondary cell powered by conventional energy; But primary cell is as the role to power battery pack electric energy supplement, or with power battery pack parallel discharge, the primary demand of electric motor car to discharge performance can be born completely.Along with the development of technology, the primary cell of some high-energy-density likely realizes repeatedly charging, and such as the forward position research and development of aluminium ion battery make a breakthrough in the recent period.
Fig. 2 is a kind of logic control constructs schematic diagram of the present utility model, and the internal structure of measure and control device 2 includes the common filtering protection module 2a of industry, signal acquisition process module 2b and DC/DC charging module 2c; The logic function of described signal acquisition process module 2b, includes the signals collecting to the first battery pack 4 real-time status, process, and making it provides logic basis at set condition to the first battery pack electric energy supplement for realizing; The real-time status of described first battery pack comprises real-time voltage and real time capacity, real-time voltage and real time capacity can select a monitoring, also can monitor simultaneously, can monitor continuously also can periodic monitor, carry out data and compare to collecting signal and process, under setting logical condition, start the second battery pack the DC/DC of the first battery pack is charged; Described DC/DC is charged as the known DC power supply of industry to the charging technique of storage battery, is realized by the CPU programming to measure and control device 2.Described real-time voltage monitoring is the real-time voltage of monitoring first battery pack, the electrokinetic cell of such as certain electric motor car is lead battery (the first battery pack), the nominal operating voltage of battery pack is 48V, its normal working voltage interval is 42.0V to 53.2V, when the threshold voltage that setting lead battery supplements electricity is 47V, as long as the real-time voltage monitoring battery pack drops to 47V, signal acquisition process module 2b is corresponding sends logical process signal.
DC/DC charging module 2c can independently be arranged, and market has the integrated circuit (IC)-components module of all size; Power device andlogic control device is discrete is more conducive to job stability, when especially charging module 2c power is larger; Fig. 3 is the logic control constructs schematic diagram that a kind of charging module 2c is independently arranged.
Industry is known, the real-time voltage of battery pack and real time capacity non-linear relation, the real time capacity of answering Real-Time Monitoring first battery pack higher to technical requirement, and is the first battery pack electric energy supplement in the work-based logic condition of setting; The technology of conventional sense battery capacity adopts proton differential flow data comparing method, the capacity tester of existing various precision and test component module on market, and it in parallelly with the first battery pack can be read capacity signal; Time practical, capacity tester or test component module need not be in parallel with the first battery pack normality, in measure and control device, preferably control platform be set as that timing (such as at interval of 5 minutes) parallel connection is connected the first battery pack and read capacity signal; The fullcharging capacity of the nickel-based battery group of such as certain electric motor car is 200Ah, as long as the capacity that measure and control device reads the first battery pack drops to 70Ah, signal acquisition process module 2b is corresponding sends logical process signal.
Described measure and control device 2, to the real-time voltage of the first battery pack 4 or real time capacity monitoring function, can be selected a setting and also can design simultaneously.
When voltage lower than the first battery pack of the design voltage of the second battery pack, voltage hoisting module 5 need be added could realize the first batteries charging in Dual-power device; The power battery pack (the first battery pack) of such as conventional electric bicycle is 48V12Ah meter 576VAh, second battery pack adopts aluminum-air cell, high and the applicable making Large Copacity of specific energy because of aluminum-air cell, such as preferred configuration is 500Ah, the energy only configuring the aluminum-air cell (the second battery pack) of nominal 12V reaches 6000VAh the sixth of the twelve Earthly Branches, and the stroke of conventional electric bicycle can be made to be increased to several hundred kilometers from dozens of kilometres; In this design example, need the voltage of the aluminum-air cell of nominal 12V to be promoted to more than 48V.Fig. 4 states at Fig. 2 a kind of logic control constructs schematic diagram routine basis adding voltage hoisting module 5, and voltage hoisting module 5 is independent to be arranged.
Fig. 5 is that one is stated on routine basis at Fig. 3, a kind of decision design logic control constructs schematic diagram that voltage hoisting module 5 and DC/DC charging module 2c are all independently arranged.
The signal logic of measure and control device 2 (comprising independent the DC/DC charging module, the voltage hoisting module that arrange) controls to need operating current, and this signal logic operating current interface can be electrically connected the second battery pack 1 also can be electrically connected the first battery pack 4; Because of measure and control device can static consumes power (described static state is that Dual-power device is in real time signal aquisition, the treatment state of measure and control device to the first battery pack 4, not enabled second battery pack 1 is to the function of the first battery pack 4 electric energy supplement), two kinds of technical schemes respectively have its pluses and minuses, can design according to specific requirement.
The technical characterstic of capacitor 6 is that specific energy is extremely low, the technical purpose of capacitor is added in Dual-power device, be consider that power interface closes can produce larger impulse current instantaneously, add capacitor and effectively can eliminate the system coupling impact that impulse current brings measure and control device 2; Capacitor both can be arranged in parallel the output at measure and control device, as shown in Figure 6, also can be arranged in parallel the input at measure and control device, or both was arranged simultaneously.
The basic function of described logic interfacing 3 is the contactors on some road, and this contactor adopts electrically controllable power switches usually, is set to logic automatic control mode, also can be set to man-machine interface form, and manually device controls.Logic interfacing 3 is also the passage to the first battery pack collection signal simultaneously; being affected by the pulse signal that the first battery pack is additional on logic interfacing 3 for eliminating electric motor car central control system, filter protective circuit can be added in logic interfacing 3 with the signalling channel of measure and control device.
Filtering protection module 2a can be arranged on arbitrary signal input channel of measure and control device, and Fig. 2 illustrates filtering protection module 2a and is arranged on the first battery pack 4 enters measure and control device 2 input one design by logic interfacing 3; Filtering protection module 2a also can be arranged on the input that the second battery pack 1 enters measure and control device 2, or two input channels arrange filtering protection module simultaneously, as shown in Figure 7.
When using secondary cell as the second battery pack, self discharge because of secondary cell general comparatively large (the general moon self-discharge rate can reach the 3-10% of nominal capacity), need regular replenishment electric energy, can external charge device when supplementing electricity, also can at the built-in special supplementary electric installation 7 of described Dual-power device; This supplementary electric installation can utilize the electric energy of the first battery pack 4 be periodically full of, and be regularly the electricity that this secondary cell (the second battery pack 1) supplements because of self discharge loss conversely, this kind of supplementary power technology is that industry is known; Fig. 8 is a kind of logic control constructs schematic diagram setting up supplementary electric installation 7 of the utility model, and the docking of logic interfacing 3 relative set supplements the power supply input channel of electric installation 7, makes the power input of supplementary electric installation 7 be electrically connected the first battery pack 4 by logic interfacing 3.
Above-mentioned supplementary electric installation 7 generally comprises output voltage constant circuit and output current limiting circuit, need apply in a flexible way during specific design; The secondary cell being such as used as the second battery pack 1 does not need normality floating charge, regular replenishment electric energy; Again such as when the second battery pack 1 adopts secondary cell, the supplementary power input of electric installation 7 and the external charger output of the first battery pack 4 are designed to interface and share, the periodicity charging system of the first battery pack 4 can be made full use of like this, make the second battery pack 1 of secondary cell obtain periodic replenishment electricity equally.
Following embodiment is only recommendation, and these some technical schemes can be used alone, and also can add or combine and use other mature technologies; As long as according to the technical characterstic that the decline of the first battery voltage or capacity shows, by measure and control device, signals collecting and data processing are carried out to it, under the logical condition of setting, start the second battery pack charge to the DC/DC of the first battery pack, the basic fundamental target of the utility model scheme can be realized.
To the professional person that electric motor car and motor technology are comparatively understood in depth, be all not difficult on scheme basis described in the utility model, be out of shape with drawing inferences about other cases from one instance and implement the utility model content.The foundation structure of Dual-power device described in the utility model and the distortion of derivative technology thereof are implemented, and should be put into protection range of the present utility model.
Embodiment
Embodiment 1,
A Dual-power device for vehicle frame electric two-wheel vehicle as shown in Figure 9, the first battery pack 4 of this Dual-power device is the poly-hull cell group of nickel zinc height of nominal 17V20Ah, power number meter 340VAh.
Second battery pack 1 of Dual-power device adopts aluminum-air cell, monomer whose nominal voltage 1.71V, monomer capacity 200Ah, second battery pack of 15 monomer series-connected one-tenth nominal voltage 25.65V, nominal capacity 200Ah, i.e. the power number meter 5130VAh of the second battery pack; Second battery pack 1 is electrically connected the power input of measure and control device 2; The logic function that the inside of measure and control device 2 is provided with filtering protection module 2a, signal acquisition process module 2b and DC/DC charging module 2c, signal acquisition process module 2b includes collection to the first battery pack 4 real-time voltage signal, process, as shown in Figure 2.
Measure and control device 2 adopts data processing, the power model programming realization of integration, and its function comprises signals collecting, signal transacting and the DC/DC charging to the first battery pack 4 real-time status, and logic working current interface is electrically connected the first battery pack 4 by logic interfacing 3.
Logic interfacing 3 is except the signals collecting interface of measure and control device 2, the power switch that power interface adopts a regular logical automatically controlled, its automatic control logic is, when receiving " 0 " signal closed (open circuit), close (circuit turn-on) when receiving " 1 " signal with the first battery pack 4.
The control logic of DC/DC charging module 2c in measure and control device 2, is set as constant output voltage 18.9V, restriction maximum output current 9A by programming; The output loop of charging module is designed with and starts Trigger Logic switch, leaves standstill, the synchronous averaging (circuit turn-on) when output loop is switched on during output loop open circuit.
Measure and control device 2 to the collection of the first battery pack 4 real-time voltage signal, be treated to, when the real-time voltage of the first battery pack 4 is higher than 15V, measure and control device 2 pairs of logic interfacings 3 export " 0 " signal, and Dual-power device is in static state (ignoring the power consumption of voltage signal Real-Time Monitoring, process); When the real-time voltage of the first battery pack 4 drops to 15V, measure and control device 2 pairs of logic interfacings 3 export " 1 " signal, and logic interfacing 3 and the first battery pack 4 close; Meanwhile, the DC/DC charging module 2c in measure and control device 2 is switched on because of output loop, and DC/DC charging module enters charging operating state automatically.
The present embodiment is because being designed with jumbo Dual-power device, the reserve capacity number of the second battery pack 1 is 15 times of the first battery pack 4, namely Dual-power device can increase by 15 times of course continuation mileages after enabling, and has effectively adapted to the crowd demand that a part has deep love for using electric two-wheel vehicle travelling; According to the empirical data of the digital motor of current electric two-wheel vehicle adapted, the first battery pack of 306VAh power number can for continuation of the journey about 50 kilometers, and the theoretical course continuation mileage of the present embodiment electric two-wheel vehicle can reach 800 kilometers.
Logic interfacing 3 described in the present embodiment, interactive interface manipulation form can also be replaced into, the mode that measure and control device 2 pairs of logic interfacings 3 output signal is replaced into driver's prompting, such as coloured light, sound toot, numerical monitor etc., close logic interfacing 3 by the control mode of human interface.
Embodiment 2,
In embodiment 1 Dual-power device, the reserve capacity number of the second battery pack 1 is 5130VAh, when electric two-wheel vehicle does not need course continuation mileage to reach 900 kilometers, can reduce the reserve capacity number configuration of the second battery pack; Because the specific energy of aluminum-air cell is high, products with larger capacity (cost performance is high) should be made as, the present embodiment changes the aluminum-air cell monomer of the second battery pack 1 in embodiment 1 into 7, second battery pack of 7 monomer series-connected one-tenth nominal voltage 11.97V, nominal capacity 200Ah, i.e. the power number meter 2394VAh of the second battery pack.
The present embodiment adds voltage hoisting module 5 on embodiment 1 basis, and it is independently arranged; This kind of voltage hoisting module has the product of all size in market, power number, far beyond the demand of electric motor car, only needs by specification to programme, insert corresponding data and can use after purchasing.In the present embodiment, the power input of voltage hoisting module 5 is electrically connected the second battery pack 1, and signal input part connects the signal acquisition process module 2b of measure and control device 2, the input of DC/DC charging submodule 2c in power output end electrical connection measure and control device 2.
All the other and embodiment 1 are with, the present embodiment because the reserve capacity number of the second battery pack 1 is 7 times of the first battery pack 4, and Dual-power device can make electric two-wheel vehicle in former design basis, increase the course continuation mileage of 7 times after enabling.
DC/DC charging module 2c in aforementioned measure and control device 2 also can discrete design, and as shown in Figure 3, by the function described in programming realization, the discrete setting of DC/DC charging module 2c is more conducive to the job stability of signal acquisition process module 2b.
Embodiment 3,
The design basis of embodiment 2 continues add capacitor, its technical purpose eliminates power supply to close the system coupling impact that impulse current brings measure and control device 2; Use the capacitor 6 of a 400V500UF, capacitor 6 is arranged in parallel the output at measure and control device, as shown in Figure 6.
All the other and embodiment 2 are together.
Embodiment 4,
In the design basis of embodiment 1, according to the power battery pack data of a kind of vehicle frame electric four-wheel vehicle as shown in Figure 10, design Dual-power device that is a kind of and its adaptation, the first battery pack of this electric four-wheel vehicle is the lead-acid battery group of nominal 48V200Ah, nominal power number meter 9.6KVAh.Second battery pack 1 adopts aluminum-air cell equally, and monomer capacity is adjusted to 800Ah, second battery pack of 40 monomer series-connected one-tenth nominal voltage 68V, nominal capacity 800Ah, i.e. the reserve capacity number meter 54.4KVAh of the second battery pack.
The DC/DC charging module 2c of the present embodiment is arranged independent of measure and control device 2, as shown in Figure 3; The power output end of DC/DC charging module is directly electrically connected the first battery pack 4, DC/DC charging module and is set as constant output voltage 54.0V, restriction maximum output current 50A by programming; Roughly the same, the Dual-power device of the present embodiment can make this electric four-wheel vehicle on the course continuation mileage basis that 48V200Ah lead-acid battery group drives for the remaining design method of measure and control device 2 and logic interfacing 3 and embodiment 1, and the theory obtaining 5.6 times increases journey.
The second battery pack 1 described in the present embodiment, its type selecting also can change to aluminium ion battery, lithium ion battery or other specific energies secondary cell higher than lead-acid battery that repeatedly can charge and use; When the second battery pack 1 type selecting is secondary cell, in Dual-power device, set up supplementary electric installation 7, the logic control constructs of this supplementary electric installation and the second battery pack 1, measure and control device 2 and logic interfacing 3 as shown in Figure 8.
Above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to embodiment, those of ordinary skill in the art is to be understood that, the technical solution of the utility model is modified or equivalent replacement, do not depart from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (10)
1. a Dual-power device for electric motor car, is characterized in that, described Dual-power device comprises the first battery pack (4), the second battery pack (1), measure and control device (2) and logic interfacing (3); Described first battery pack (4) is secondary cell, the power input of its electrical connection logic interfacing (3) and described electric motor car; Described second battery pack (1) comprises primary cell, the power input of its electrical connection measure and control device (2); The output of described measure and control device (2) is electrically connected the first battery pack (4) or is electrically connected the first battery pack by logic interfacing (3); The signal input part of described measure and control device (2) connects the first battery pack or connects the first battery pack by logic interfacing (3).
2. Dual-power device according to claim 1, is characterized in that, described measure and control device (2) comprises filtering protection module (2a), signal acquisition process module (2b) and DC/DC charging module (2c); Described signal acquisition process module (2b) comprises voltage collection circuit and/or battery capacity Acquisition Circuit.
3. Dual-power device according to claim 2, it is characterized in that, described DC/DC charging module (2c) discrete setting, its power input is electrically connected the second battery pack (1), its power output end electrical connection logic interfacing (3) or described first battery pack (4), its signal input part connection signal acquisition processing module (2b).
4. Dual-power device according to claim 1 and 2, it is characterized in that, described Dual-power device also comprises voltage hoisting module (5), voltage hoisting module (5) comprises power input, power output end and signal input part, its power input is electrically connected the second battery pack (1), its power output end electrical connection DC/DC charging module (2c), its signal input part connects measure and control device (2).
5. Dual-power device according to claim 4, is characterized in that, described voltage hoisting module (5) and measure and control device (2) discrete setting, its partial function or repertoire are integrated in measure and control device (2).
6. Dual-power device according to claim 2, is characterized in that, described DC/DC charging module (2c) comprises output voltage constant circuit and output current limiting circuit.
7. Dual-power device according to claim 1, is characterized in that, described Dual-power device also comprises capacitor (6), and the input of described capacitor (6) and measure and control device (2) is or/and output parallel connection is electrically connected.
8. Dual-power device according to claim 1, is characterized in that, described second battery pack (1) also comprises secondary cell or/and device for converting electric energy; Described device for converting electric energy comprises storage hydrogen device for converting electric energy, fuel electric generating apparatus, device of solar generating or wind electricity generating system.
9. Dual-power device according to claim 8, is characterized in that, when the second battery pack (1) selects secondary cell, described Dual-power device also comprises supplementary electric installation (7); Supplement electric installation (7) and comprise power output end, power input and signal input part, its power output end is electrically connected the second battery pack (1), first battery pack (4) of its power input electrical connection logic interfacing (3) or described electric motor car, its signal input part connects measure and control device (2).
10. an electric motor car, is characterized in that, described electric motor car contain at least a set of as arbitrary in claim 1 ~ 9 as described in Dual-power device.
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| CN201520285727.9U CN204615449U (en) | 2015-05-05 | 2015-05-05 | A kind of Dual-power device of electric motor car and electric motor car thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107863810A (en) * | 2017-12-11 | 2018-03-30 | 北京骑骑智享科技发展有限公司 | Vehicle-mounted electric supply installation, dazzle wheel bicycle and dazzle the shared bicycle of wheel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107863810A (en) * | 2017-12-11 | 2018-03-30 | 北京骑骑智享科技发展有限公司 | Vehicle-mounted electric supply installation, dazzle wheel bicycle and dazzle the shared bicycle of wheel |
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