CN218569854U - Portable mobile power supply for power, shared charging system and electric vehicle - Google Patents

Abstract

The utility model provides a portable power source for power and shared formula charging system that suits with it and use its two-wheeled or tricycle electric motor car. The portable power supply comprises a special shell and a patch cord, wherein a power type lithium ion cell and a Battery Management System (BMS) are arranged in the shell; the portable mobile power supply supports the work of a direct current motor of 0-1500W power equipment and supports the charging of 0-50A current; the patch cord includes the high power binding post of being connected with battery body and the multi-functional crossover sub of the wiring type that is applicable to mainstream electric motor car. The lithium ion battery cell with high-rate discharge power and the BMS system supporting high-power output are applied to meet the short-time power supply requirement of the electric walking tool, so that the power supply universality of the electric walking tool is improved, and the use convenience of the electric walking tool is improved; the utility model can adopt a sharing charging system to carry out sharing charging and leasing use; unlimited parallel or serial use can be made by the extension unit.

Description

Portable mobile power supply for power, shared charging system and electric vehicle

Technical Field

The utility model relates to a portable mobile power source's technical field especially relates to a portable mobile power source, shared charging system and electric motor car for power.

Background

At present, an electric vehicle on the market gradually becomes a travel tool for conventional travel due to the advantages of environmental protection, portability, capability of greatly reducing use cost and the like. Because the battery pack is used as a power supply, although the lithium ion battery with light weight and high volume energy density is adopted, the situation that the electric quantity is insufficient when people go out is more likely to occur even if the lithium ion battery is used, so that the electric quantity is not charged in a fixed place after being used, and even whether a charging station exists nearby is difficult to accurately know, so that a great deal of inconvenience is brought to users, the journey is delayed, and the travel of people is influenced.

Disclosure of Invention

One of the purposes of the utility model is to prior art's weak point, provide a portable power source for power, through setting up high power type lithium ion cell, make it possess light in weight, small characteristics when satisfying the short time power supply demand of electronic instrument of riding instead of walk, improve the power commonality and the convenience of electronic instrument of riding instead of walk.

In order to achieve the above object, the utility model provides a following technical scheme:

in a first aspect,

the utility model provides a portable power source for electric motor car, include: the portable mobile power supply comprises a high-power lithium ion battery cell, a battery management system, a special shell and a patch cord, wherein the weight of the portable mobile power supply is not more than 1.3kg, the volume of the portable mobile power supply is not more than 1L, the energy of the portable mobile power supply is not more than 300Wh, and the portable mobile power supply can support a 1W-1500W power equipment direct current motor with the rated voltage of 36V-72V to work.

Optionally, each mobile power supply comprises 13-14 power type lithium ion batteries.

Optionally, the rated capacity of the lithium ion battery cell is 3Ah-6Ah, and the lithium ion battery cell supports continuous discharge of more than 3 multiplying factors and/or supports instantaneous large-current discharge of more than 6 multiplying factors.

Optionally, the lithium ion battery cell is a cylindrical battery cell or a soft package battery cell.

Optionally, the charging system further comprises a shared charging unit and an infinite expansion unit.

Optionally, the battery management system employs an electronic circuit and a chip dedicated to the battery, which have voltage, current, and temperature overload protection functions, and/or a communication module electrically connected to the shared charging unit, and meets the requirement of power supply of a dc motor for power equipment below 1500w, and is compatible with a motor with a rated voltage of 36-72V.

Optionally, the battery management system may be provided with one or more of a battery level display function, a TYPE-C output port, and a USB output port.

Optionally, the patch cord includes high power binding post and multi-functional crossover sub be connected with special casing, multi-functional crossover sub includes and is not limited to article type head, aviation plug, magnetism to inhale the plug.

In a second aspect of the present invention,

the utility model discloses a second purpose provides a sharing formula charging system, including a plurality of charging grooves, the charging inslot be provided with the joint that charges of above-mentioned portable power source's charge-discharge interface adaptation, can charge for more than one portable power source.

The utility model can adopt the sharing charging system to carry out sharing charging and leasing use; unlimited parallel or serial use can be made by the expansion unit.

In a third aspect,

the third purpose of the utility model is to provide an electric vehicle, including above-mentioned scheme portable power source.

The utility model discloses an electric motor car is preferred to be applicable to two-wheeled or tricycle electric bicycle.

The utility model provides a portable power source, shared charging system and electric motor car for power exists following beneficial effect at least:

(1) By adopting the high-power lithium ion battery cell, the rated capacity of the single lithium ion battery cell is 3Ah-6Ah, and the single lithium ion battery cell supports continuous discharge of more than 3 multiplying factors and/or supports instantaneous large-current discharge of more than 6 multiplying factors, so that the high-power lithium ion battery cell can support the work of a 1W-1500W direct current motor of an electric bicycle with 0-50 amperes and rated voltage of 36V-72V, and the short-time power supply requirement of an electric transportation tool is met.

(2) The portable mobile power supply has the characteristics of light weight, small size and no more than 300Wh of energy, improves the use universality and convenience of the mobile power supply, and has long service life.

(3) Utilize the lithium ion core to constitute lithium battery power supply system and provide the energy source for the electric motor car, under the little prerequisite of volume increase, remain lithium ion battery's on the original electric motor car use promptly, under the condition that electric power is not enough in the electric motor car driving process simultaneously, especially under the unable charging condition, can regard as reserve emergency power source to prolong the electric motor car continuation of journey mileage, it is convenient not only to make the power supply system of electric motor car install, labour saving and time saving can also reach characteristics such as small, light in weight, long service life.

To sum up, on the portable power source of this patent is particularly useful for two-wheeled or tricycle electric bicycle, can also be applied to like electric tool and balance car to and some need the equipment of heavy current load output, like surfboard, AGV commodity circulation car, electric fork truck etc..

Drawings

Fig. 1 is a schematic diagram of the overall structure of a portable mobile power supply;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic diagram of a circuit connection structure of the charge and discharge switch;

FIG. 4 is a schematic diagram of an internal circuit configuration of a protection board according to an embodiment;

fig. 5 is a schematic diagram of an internal circuit structure of a protection board in another embodiment.

Reference numerals: 1. a housing; 11. a crossover sub; 12. expanding an interface; 2. a lithium ion cell; 3. a protection plate; 4. an adapter plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It should be noted that the drawings provided in the embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the form, quantity and proportion of each component in actual implementation can be changed at will, and the layout of the components may be more complicated.

The structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the purpose which can be achieved by the present invention.

References in this specification to orientations or positional relationships such as "upper," "lower," "left," "right," "middle," "longitudinal," "lateral," "horizontal," "inner," "outer," "radial," "circumferential," and the like are based on the orientations or positional relationships illustrated in the drawings and are intended to simplify the description, rather than to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In some embodiments, as shown in fig. 1 and 2, the present invention provides a portable power source for power, including:

the high-power lithium ion battery comprises a special shell, a high-power lithium ion battery cell arranged in the special shell and a patch cord for electric energy transmission; wherein the weight of the mobile power supply is not more than 1.3kg, the volume is not more than 1L, and the energy is not more than 300Wh. The high-power lithium ion battery cell can support 1W-1500W power equipment with 0-50 amperes and rated voltage of 36V-72V for power utilization, so that the power equipment can meet the requirements of some electric equipment, such as electric vehicles, electric pedals, balance cars and the like, and some equipment requiring large-current load output, such as surfboards, AGV logistics vehicles, electric forklifts and the like, and is particularly suitable for two-wheel or three-wheel electric bicycles.

Utilize lithium ion core to constitute lithium battery power supply system and provide the energy source for the electric motor car, under the little prerequisite of volume increase, keep the use of lithium ion battery on original electric vehicle promptly, simultaneously under the condition that electric power is not enough in the electric motor car driving process, especially under the unable charging condition, because portable power source possesses the high power discharge standard more than 5 multiplying powers, can prolong electric motor car continuation of the journey mileage as reserve emergency power source, make the power supply system of electric motor car not only install convenient, time saving and labor saving, can also reach small, light in weight, characteristics such as long-life.

In some embodiments, as shown in fig. 2, each mobile power supply includes a plurality of lithium ion electric cores, an adapter plate is disposed in the housing, a plurality of conductive sheets are disposed on the adapter plate, and the plurality of lithium ion electric cores are connected in series through the conductive sheets.

A plurality of lithium ion electric cores are used in series, if a single lithium ion electric core is damaged, the single lithium ion electric core can be found out easily and directly replaced, the universality is good, the production and the circulation are convenient, and the packaging cost is saved.

In some embodiments, each mobile power supply comprises 13-14 lithium ion cells of power type lithium ion batteries. Through relatively standard quantity setting, the batch production of portable power source of being convenient for to and the lithium ion battery number through unified portable power source, the later maintenance of being convenient for.

In some embodiments, a shared charging unit and an infinite expansion unit are also included.

It should be noted that the shared charging unit is similar to a circuit control module used by a commercially available charger.

In some embodiments, the mobile power supply is provided with an infinite expansion unit for electrical connection of different mobile power supplies, the infinite expansion unit is connected through the adapter, and a ferrule device for quick installation of a battery on an electric vehicle.

The plurality of mobile power supplies can be combined into one through the parallel expansion joint, the explanation is exemplarily performed, when the electric vehicle is lack of power, one mobile power supply in the distance from a destination can not be supported enough, the plurality of mobile power supplies can be combined and used through the parallel expansion joint, the frequent replacement operation of the plurality of mobile power supplies is reduced, meanwhile, the use convenience of the mobile power supplies is further improved through the clamping mode of the clamping sleeve device, and the clamping sleeve device can be realized by technical personnel in the related field.

In some embodiments, the rated capacity of the lithium ion battery cell is 3Ah-6Ah.

The rated capacity of the lithium ion battery cell is selected to be 3Ah-6Ah, so that the lithium ion battery cell can support continuous discharge with the multiplying power of more than 3; and support the discharge of the heavy current in the twinkling of an eye of 6 multiplying powers or more, for example, when the electric motor car is on a half slope, because the lithium ion battery possesses the discharge of the heavy current in the twinkling of an eye of 6 multiplying powers or more, so that the electric motor car can better start.

In some embodiments, the lithium ion cell is a cylindrical cell or a soft-package cell.

Illustratively, the positive electrode material of the lithium ion core comprises one or more of ternary materials, lithium manganate, lithium iron phosphate, lithium iron manganese phosphate and the like. The weight ratio of the materials in the positive electrode formula is 0-99.9%. The negative electrode material of the lithium ion cell comprises one or more of graphite, lithium titanate, silicon or compounds thereof. And the weight ratio of the materials in the positive electrode formula is 0-99.9%. In some embodiments, the specific energy of the lithium ion cell is no less than 160Wh/kg, the specific power of the lithium ion cell is no less than 1280W/kg, and the volumetric specific energy of the lithium ion cell is no less than 333Wh/L.

In some embodiments, as shown in fig. 3, the mobile power supply is provided with a protection board including:

the acquisition circuit is used for acquiring overcurrent or short-circuit signals of the lithium ion battery cell;

the main control chip is used for acquiring an overcurrent or short-circuit signal of the lithium ion battery cell;

and the charge and discharge switch is electrically connected with the chip and is used for controlling the drive chip for closing the charge and discharge switch according to the over-current or short-circuit signal of the lithium ion battery cell.

Illustratively, the current signal and the short circuit signal of the lithium ion cell are acquired through the acquisition circuit, if the circuit is in overcurrent or short circuit, the acquisition circuit transmits the overcurrent or short circuit signal to the main control chip, the main control chip transmits the control signal to the driving chip, and the driving chip drives the charging and discharging switch to be closed, so that the electric energy output or input of the lithium ion cell is cut off, the protection effect of the lithium ion cell is achieved, and the use safety of the mobile power supply is improved.

In some embodiments, as shown in fig. 3, the charge and discharge switch includes a charge MOS transistor and a discharge MOS transistor, a gate of the charge MOS transistor is electrically connected to the driving chip, a source of the charge MOS transistor is electrically connected to the negative electrode of the lithium ion battery, a drain of the charge MOS transistor is electrically connected to a drain of the discharge MOS transistor, the drain of the charge MOS transistor is the negative output electrode of the lithium ion battery, the gate of the discharge MOS transistor is electrically connected to the driving chip, and the source of the discharge MOS transistor is the negative common output electrode or charge common negative electrode of the lithium ion battery.

Through the setting of above-mentioned charge-discharge switch, form with mouthful and half a mouthful charge-discharge switch structure, when discharging, if short circuit or open circuit appear, also the circumstances of discharging when reducing to improve portable power source's safety in utilization.

In some embodiments, the battery management system employs an electronic circuit and a battery-dedicated chip with voltage, current and temperature overload protection functions, and/or a communication module electrically connected to the shared charging unit, and the communication module satisfies the requirement that power equipment below 1500w is supplied with a dc motor and is compatible with the operation of a motor with a rated voltage of 36-72V.

Through communication module's setting, can send portable power source's the overload information of voltage, electric current, temperature to other equipment, for example cell-phone, customer end to and on remote equipment such as high in the clouds server, the user can obtain battery information in real time according to remote equipment to realize the real time monitoring of battery, so that the user in time handles portable power source's anomaly, improves portable power source's safety in utilization.

Secondly, still can set up orientation module, electric quantity collection module etc. and send information such as portable power source's position, electric quantity to remote equipment through communication module in real time, further improve portable power source's convenient effect.

In some embodiments, the protection board further includes an equalizing circuit, and the equalizing circuit is electrically connected to the lithium ion battery cell and the main control chip, respectively.

Through the setting of equalizer circuit, reduce the too big problem of group battery monomer voltage difference and lead to the unbalanced problem of energy to make every battery cell can obtain make full use of, thereby improve group battery capacity, simultaneously, the equilibrium means has prolonged the continuation of the journey mileage. Specifically, the energy of the lithium ion battery cell with high voltage is transferred partially by cutting high filling to give to the lithium ion battery cell with low voltage, so that the lowest cell voltage is delayed to contact with discharge; stopping the threshold value and the time when the highest cell voltage reaches the charging termination threshold value, and obtaining the effect of improving the charging capacity and the discharging capacity of the system; therefore, under the condition that the volume capacity is relatively small, the lithium ion battery cell can be fully used.

In some embodiments, the circuit control board is provided with an expansion interface, and the expansion interface comprises one or more of a battery level display module, a TYPE-C output port and a USB output port.

As shown in fig. 3, it is exemplarily illustrated that the circuit control board is further provided with an MCU secondary control chip, and the USB interface and the TYPE-C interface are electrically connected to the power circuit of the lithium ion battery cell through the MCU secondary control chip and cooperate with the regulation function of the MCU secondary control chip, so that the USB interface and the TYPE-C interface output a lower voltage relative to the adapter, so as to be suitable for daily electronic devices, such as a mobile phone and a camera. During the use, if the electric vehicle electric quantity that the user used is sufficient, or when charging the convenience, applicable portable power source's USB interface or TYPE-C interface charges to electronic product such as machine, camera.

The electric quantity is instructed and can be a plurality of LED lamps, also can be the LED screen, and through electric quantity display panel's effect, the user can be more audio-visual obtains lithium ion battery cell's inside electric quantity information to guarantee portable power source's sufficient state.

In some embodiments, the patch cord includes a high power terminal and a multi-function adapter connected to a dedicated housing, the multi-function adapter including, but not limited to, a pin, an aviation plug, and a magnetic plug. The adapter is a part of the patch cord, and the adapter structure can be replaced, so that the universality of the adapter is improved, and the later maintenance is facilitated.

In some embodiments, the utility model also discloses a shared charging system, including above-mentioned portable power source for power, shared charging system includes a plurality of charging grooves, charging inslot be provided with the joint that charges of crossover sub adaptation.

Through the charging connector, 60% -100% of energy of the portable mobile power source can be fully charged within 10-300 minutes, so that more than 80% of energy can be fully charged within 10-5 hours.

In some embodiments, the shared charging system further comprises a remote payment module, an automatic ejection module and a fire protection unit, wherein the remote payment module can eject the portable mobile power supply in the charging slot through the automatic ejection module after payment is successful, and the fire protection unit comprises a combustion-supporting device and an explosion-proof device to prevent the battery system from burning or exploding.

In the actual use process, the shared charging system can be arranged in a public area, the plurality of charging grooves are arranged, so that the mobile power supply can be conveniently exchanged, meanwhile, the universality of the mobile power supply is improved, and the shared mode of the mobile power supply is realized.

In some embodiments, the application provides an electric vehicle comprising the portable mobile power source of the above scheme.

The utility model discloses an electric motor car is preferred to be applicable to two-wheeled or tricycle electric bicycle.

It should be noted that, the utility model provides a circuit control board can adopt various units that can realize adjustable signal, for example, various singlechips, a microcontroller, a Digital Signal Processor (DSP), a Field Programmable Gate Array (FPGA), an upper computer or a Central Processing Unit (CPU), in this embodiment, circuit control board, through carrying out the transform function to the various signals of lithium ion cell, and through the regulation and control to lithium ion cell power signal, realize various control functions, for example in this embodiment, according to circuit control board to the voltage signal of lithium ion cell, the signal overflows, short-circuit signal handles and mediates, output target information, and the control effect of carrying out relevant module, and simultaneously, circuit control board still has advantages such as small, the integrated level is high and the reliability.

All possible combinations of the technical features in the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent application shall be subject to the appended claims.

Claims (8)

1. A portable power source for powering, comprising: the high-power lithium ion battery comprises a high-power lithium ion battery cell, a battery management system, a special shell, a patch cord, a shared charging unit and an infinite expansion unit; the battery management system adopts an electronic circuit with voltage, current and temperature overload protection functions, a battery special chip and/or a communication module electrically connected with the shared charging unit, meets the power supply requirement of a direct current motor for power equipment below 1500w, and is compatible with the motor with the rated voltage of 36-72V to work; the portable mobile power supply has the weight of not more than 1.3kg, the volume of not more than 1L and the energy of not more than 300Wh, and can support the work of a DC motor of 1W-1500W power equipment with the rated voltage of 36V-72V.

2. The portable power source of claim 1, wherein each power source comprises 13-14 high power lithium ion cells.

3. The power portable mobile power supply according to claim 1, wherein the high-power lithium ion battery cell has a rated capacity of 3Ah to 6Ah and supports a sustained discharge of 3 times or more and/or supports an instantaneous large-current discharge of 6 times or more.

4. The portable power supply for power supply of any one of claims 1 to 3, wherein the high power lithium ion cell is a cylindrical cell or a soft package cell.

5. The portable power supply of claim 1, wherein the battery management system is one or more of a battery level display function, a TYPE-C output port, and a USB output port.

6. The portable power supply according to claim 1, wherein the patch cord comprises a high power connection terminal connected to the dedicated housing and a multifunctional adapter, the multifunctional adapter being a pin, an aviation plug or a magnetic plug.

7. A shared charging system is characterized by comprising a plurality of charging grooves, wherein charging connectors matched with the charging and discharging interfaces of the portable mobile power supply according to any one of claims 1-6 are arranged in the charging grooves, and the charging connectors can be used for charging more than one portable mobile power supply.

8. An electric vehicle comprising the portable, mobile power supply of any of claims 1-7.

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