CN111409761A - Power supply of electric power-assisted vehicle and electric power-assisted vehicle - Google Patents
Power supply of electric power-assisted vehicle and electric power-assisted vehicle Download PDFInfo
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- CN111409761A CN111409761A CN202010375236.9A CN202010375236A CN111409761A CN 111409761 A CN111409761 A CN 111409761A CN 202010375236 A CN202010375236 A CN 202010375236A CN 111409761 A CN111409761 A CN 111409761A
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- battery
- power supply
- battery box
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/80—Accessories, e.g. power sources; Arrangements thereof
- B62M6/90—Batteries
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a power supply of an electric power-assisted vehicle and the electric power-assisted vehicle, wherein the power supply of the electric power-assisted vehicle is provided with a series module and/or a parallel module and comprises a plurality of battery packs; the series module and/or the parallel module are used for connecting all the battery packs in series and/or in parallel so as to enable all the battery packs to be charged and discharged uniformly; at least one battery pack is removable from the power supply as a whole. According to the power supply of the electric power-assisted vehicle and the electric power-assisted vehicle, the plurality of battery packs connected through the series module and/or the parallel module are arranged, and the battery packs are detachable, so that the detachable battery packs can be used for other purposes, or the battery packs of other electric tools in life can be connected into the power supply of the electric power-assisted vehicle, and the combination mode and the purposes of the power supply are flexible.
Description
Technical Field
The invention relates to the technical field of electric power-assisted vehicles, in particular to a power supply of an electric power-assisted vehicle and the electric power-assisted vehicle.
Background
Electric power-assisted vehicles (including battery cars, power-assisted bicycles and other forms) are commonly used in daily life and are often used as travel-instead tools for short trips such as buying vegetables and working, the power supply form of the existing electric power-assisted vehicles is relatively fixed and generally divided into a detachable power supply and a non-detachable power supply, the two types of power supplies are limited by the design of the two types of power supplies, and the two types of power supplies are relatively single in structure and use.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides the power supply of the electric power-assisted vehicle and the electric power-assisted vehicle, which have more flexible combination mode and use.
The technical scheme is as follows: in order to achieve the above object, the power supply of the electric power-assisted vehicle of the present invention includes a series module and/or a parallel module, and includes a plurality of battery packs; the series module and/or the parallel module are used for connecting all the battery packs in series and/or in parallel so as to enable all the battery packs to be charged and discharged uniformly; at least one battery pack is removable from the power supply as a whole.
Furthermore, the power supply simultaneously comprises a series module and a parallel module, and one parallel module connects a plurality of groups of battery modules in parallel; each group of battery modules includes a single battery pack or a plurality of battery packs that are otherwise connected through the series module and/or the parallel module.
Furthermore, the series module and the parallel module are both provided with a charging management module so that the battery packs can be charged and discharged in a balanced manner.
The power supply further comprises a battery box, the series module and/or the parallel module are/is arranged in the battery box, and the battery box is provided with a first charging port capable of charging all the battery packs and/or an electric quantity indicator lamp for indicating the electric quantity in the battery box; all or part of the battery pack is arranged in the battery box, and the battery pack arranged in the battery box can be detached relative to the battery box.
Furthermore, the battery box comprises a battery box seat and a battery box cover, wherein the battery box cover can be opened relative to the battery box seat and is fixedly connected with the battery box seat through a locking screw or a buckle; when the two are connected through the locking screw, the locking screw is provided with a blocking unit which prevents the locking screw from being completely separated from the battery box.
Furthermore, the battery box further comprises a hanging seat, the battery box can be detached relative to the hanging seat, and a lockset used for fixing the battery box and the hanging seat relatively is installed on the battery box or the hanging seat.
Further, the hanging seat comprises a mounting seat and a mounting bracket; the battery box is provided with a hanging and connecting buckle which can enter and exit the hanging and connecting groove.
An electric power-assisted vehicle comprises a vehicle body and a power supply of the electric power-assisted vehicle, wherein the vehicle body is provided with a driving motor, and the power supply is connected with the driving motor; the vehicle body is provided with a second charging port for charging all the battery packs included in the power supply.
Further, the power supply also comprises a battery box, and all or part of the battery pack is arranged in the battery box; when not all the battery packs are arranged in the battery boxes, the battery packs outside the battery boxes are arranged on the vehicle body;
the battery box comprises a battery box seat and a battery box cover, wherein the battery box cover can be opened relative to the battery box seat and is fixedly connected with the battery box seat through a locking screw;
the rear end of the locking screw faces the frame of the vehicle body, so that the locking screw cannot be withdrawn and detached.
Furthermore, the battery box also comprises a hanging seat, and the battery box can be detached relative to the hanging seat; the hanging seat comprises a mounting seat and a mounting support, and the mounting seat and the mounting support are fixed on the frame of the vehicle body in a surrounding manner.
Has the advantages that: according to the power supply of the electric power-assisted vehicle and the electric power-assisted vehicle, the plurality of battery packs connected through the series module and/or the parallel module are arranged, and the battery packs are detachable, so that the detachable battery packs can be used for other purposes, or the battery packs of other electric tools in life can be connected into the power supply of the electric power-assisted vehicle, and the combination mode and the purposes of the power supply are flexible.
Drawings
FIG. 1 is a schematic diagram showing the configuration of a power supply of an electric power assisted vehicle;
FIG. 2 is an exploded view of the power supply of the electric power assisted vehicle;
FIG. 3 is a view showing the internal structure of a battery pack;
FIG. 4 is a view showing a structure of separating the battery case from the hanging seat;
FIG. 5 is a view of the structure of the docking station;
FIG. 6 is a structural view of an electric power-assisted vehicle;
fig. 7 is a structural view of the hitch seat mounted on the vehicle body.
In the figure: 1-a series module; 2-parallel modules; 3-a battery pack; 4-a battery box; 41-battery box seat; 411-hanging buckle; 42-battery box cover; 43-locking screws; 44-battery pack holder; 441-a battery pack mounting location; 45-connecting plug; 5-hanging the connecting seat; 51-a mounting seat; 511-hanging groove; 512-keyhole; 52-a mounting bracket; 53-rubber cushion; 6-a lockset; 61-elastic bolt; 7-vehicle body; 71-vehicle frame.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The power supply of the electric power-assisted vehicle shown in fig. 1 is provided with a series module 1 and a parallel module 2, and comprises a plurality of battery packs 3; the series module 1 and the parallel module 2 connect all the battery packs 3 in series and in parallel, so that all the battery packs 3 are uniformly charged from the same charging port and uniformly discharged from the same discharging port; at least one battery pack 3 is detachable from the power supply as a whole.
The series module 1 is used for connecting at least two battery packs 3 in series to increase the voltage of the whole battery pack group; the series module 1 is provided with a charge management module to charge and discharge the battery packs 3 connected in series, so that all the battery packs 3 connected in series are charged and discharged in a balanced manner, and the battery packs 3 are protected during charging and discharging; the parallel module 2 is used for connecting the battery packs or battery pack groups with the same voltage in parallel, keeping the total voltage unchanged and increasing the electric energy capacity, and the parallel module 2 is also provided with a charging management module so as to charge and discharge the battery packs 3 connected in parallel, so that all the battery packs 3 connected in parallel are charged and discharged in a balanced manner, and the battery packs 3 are protected during charging and discharging.
The source of the battery pack 3 is not limited to a battery pack which is carried by the electric power-assisted vehicle when leaving a factory, and can be a small battery pack which is carried by a household appliance and an electric tool, and a plurality of small battery packs are combined into the power supply of the electric power-assisted vehicle, so that the combination mode, the application and the charging mode of the power supply are flexible; the user can disassemble the battery pack 3 of the power supply of the invention to supply power for the household appliance or the electric tool, and can also use the small battery of the household appliance or the electric tool as the battery pack 3 in the power supply. The specifications of the battery packs 3 according to the present invention are not necessarily the same.
Preferably, there is one parallel module 2 that connects a plurality of sets of battery modules in parallel; each battery module group includes a single battery pack 3 or a plurality of battery packs 3 connected through the series module 1 and/or the parallel module 2, so that the charging port connected to the parallel module 2 for the total parallel function can charge all the battery packs 3, and all the battery packs 3 can be discharged from the discharging port connected to the parallel module 2 for the total parallel function. Specifically, in this embodiment, the power supply includes 3 battery packs 3, 1 series module 1 and 1 parallel module 2, two battery packs 3 of the series module 1 are connected in series to form a set of battery module, the third battery pack 3 alone forms a set of battery module, and the two sets of battery modules are connected in parallel through the parallel module 2.
In order to facilitate the disassembly and assembly operation of the detachable battery pack 3, as shown in fig. 2, the power supply further includes a battery box 4, and the series module 1 and the parallel module 2 are embedded in the battery box 4; the battery box 4 is provided with a first charging port and a charging indicator light, all the battery packs 3 contained in the power supply can be charged through the first charging port, and in addition, after the battery box 4 with all the battery packs 3 therein is detached from the whole power supply, all the battery packs 3 in the battery box 4 can be charged through the first charging port; the charging indicator light can display the total electric quantity of the battery pack in the battery box 4; the 2 battery packs 3 connected by the serial module 1 are all mounted in the battery case 4, the third battery pack 3 is disposed outside the battery case 4, and the battery pack 3 disposed in the battery case 4 is detachable with respect to the battery case 4. The battery box 4 is a closed structure and is provided with an exposed connecting plug 45 to establish connection and communication between the battery pack 3, the series module 1 and the parallel module 2 inside and outside the battery box; specifically, battery case 4 includes battery box seat 41 and battery box cover 42, battery box cover 42 articulates on battery box seat 41, battery box cover 42 can for battery box seat 41 rotates the switching, and when both are closed relatively between the two through locking screw 43 or buckle fixed connection, the former connected mode that adopts in this embodiment, and locking screw 43 installs on battery box seat 41, when the battery package 3 in the battery case 4 need be unloaded, only need rotate locking screw 43 and make locking screw 43 break away from battery box cover 42, can open battery case 4 and take out battery package 3 in it. The locking screw 43 is in the form of a manually rotatable screw, and a rubber strip is arranged between the joint surfaces of the battery box seat 41 and the battery box cover 42, so that the two are tightly jointed to play a waterproof role (IP65 level), and liquid such as moisture is prevented from entering the battery box 4 to cause risks such as short circuit. In addition, in order to prevent the locking screw 43 from being lost, the locking screw 43 is provided with a blocking unit which prevents the locking screw 43 from being completely separated from the battery case 4, and the blocking unit is a retainer ring which is arranged at the root of the thread on the locking screw 43.
Preferably, as shown in fig. 2 and 3, a battery pack support 44 is mounted on the battery pack holder 41, and a plurality of battery pack mounting locations 441 are provided on the battery pack support 44, so that all the battery packs 3 placed in the battery box 4 are mounted on the battery pack mounting locations 441, thereby arranging the battery packs 3 in the battery box 4 orderly. Possess block butt-joint structural on the battery package installation position 441 so that battery package 3 can realize that the rigidity can realize on installing battery package installation position 441 and can realize the electricity and connect (as shown in figure 3), if can adopt the contact connection mode, battery package 3 goes up and block butt-joint structural possesses the connecting contact respectively, and the contact connection series module 1 or the module 2 that connects in parallel on the block butt-joint structural, make directly accomplish after butt joint of battery package 3 and block butt-joint structural and be connected with series module 1 or the module 2 that connects in parallel, need not the interconnecting link again, the operation is succinct convenient.
In order to facilitate the battery box 4 to be integrally detachable relative to the electric power assisted vehicle, as shown in fig. 4, the power supply further includes a hanging seat 5, the battery box 4 is detachable relative to the hanging seat 5, a lock 6 for fixing the battery box 4 and the hanging seat is mounted on the battery box 4, and the lock 6 is used for preventing theft. When the battery box 4 needs to be removed, the lock 6 is unlocked first, and then the battery box 4 is removed.
Specifically, as shown in fig. 5, the hanging seat 5 includes a mounting seat 51 and a mounting bracket 52; the mounting seat 51 is provided with a hanging groove 511, and the battery box 4 is provided with a hanging buckle 411 which can enter and exit the hanging groove 511; preferably, two rows of hanging grooves 511 are symmetrically arranged on two sides of the mounting seat 51, each row of hanging grooves 511 comprises a plurality of hanging grooves 511 arranged in a linear array, and the battery box 4 is provided with hanging buckles 411 with the same layout, so that stress points are dispersed after the battery box 4 is mounted on the mounting seat 51, and the hanging is stable and reliable. Tool to lock 6 has elastic bolt 61 (as shown in fig. 4), possesses lockhole 512 on the mount pad 51, with the in-process of battery case 4 installation to mount pad 51, elastic bolt 61 is squeezed into in the battery case 4, until battery case 4 targets in place for the mount pad 51 installation, elastic bolt 61 pops out and inserts lockhole 512, so realized battery case 4 for the fixed of mount pad 51, play the theftproof effect, if will pull down battery case 4 and must make in the bolt 61 retracts the battery case 4 with the help of the key earlier.
The invention also discloses an electric power-assisted vehicle, which comprises a vehicle body 7 and the power supply of the electric power-assisted vehicle, wherein the vehicle body 7 is provided with a driving motor, and the power supply is connected with the driving motor, as shown in figure 6. The frame 71 of car body 7 possesses the holding chamber that is used for holding battery package 3, and the holding intracavity is arranged in to the battery package 3 that arranges in outside battery case 4 that the power of above-mentioned electric power assisted car contains, and it can not be for car body 7 convenient dismantlement (the meaning that here can not conveniently be dismantled is that it is comparatively complicated to dismantle, needs the specialized tool to assist), and the battery package 3 of arranging in the holding intracavity passes through the cable with battery case 4 and is connected to make all battery packages 3 can charge in unison, discharge. The vehicle body 7 is provided with a second charging port through which all the battery packs 3 contained in the power supply can be charged, and when the battery box 4 with all the battery packs 3 therein is separated from the vehicle body 7, the battery packs 3 mounted in the accommodating cavity of the vehicle frame 71 can be charged.
The rear end of the locking screw 43 faces the seat vertical pipe on the frame 71 of the vehicle body 7, so that the locking screw 43 cannot be retracted and detached, therefore, if a battery in the battery box 4 needs to be taken out, the battery box 4 must be taken out from the hanging seat 5 first, and then the locking screw 43 is removed, so that the battery pack 3 can be taken out, when the battery box 4 is still fixed on the hanging seat 5, the battery box 4 cannot be opened directly by detaching the locking screw 43, and theft prevention can be effectively achieved.
As shown in fig. 7, the mounting base 51 and the mounting bracket 52 are both fixed on the seat tube of the frame 71 in a clasping manner, that is, the seat tube is clamped between the mounting base 51 and the mounting bracket 52, the mounting base 51 and the mounting bracket 52 are tightened by screws to clamp the seat tube to complete the fixation, and preferably, rubber pads 53 are arranged on the sides of both the mounting base 51 and the mounting bracket 52, which are in contact with the seat tube, to increase friction.
According to the power supply of the electric power-assisted vehicle and the electric power-assisted vehicle, the plurality of battery packs connected through the series module and/or the parallel module are arranged, and the battery packs are detachable, so that the detachable battery packs can be used for other purposes, or the battery packs of other electric tools in life can be connected into the power supply of the electric power-assisted vehicle, and the combination mode and the purposes of the power supply are flexible.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (10)
1. A power supply for an electric power-assisted vehicle, characterized in that it comprises a series module and/or a parallel module, and it comprises a plurality of battery packs; the series module and/or the parallel module are used for connecting all the battery packs in series and/or in parallel so as to enable all the battery packs to be charged and discharged uniformly; at least one battery pack is removable from the power supply as a whole.
2. The power supply of an electric power-assisted vehicle of claim 1, wherein the power supply comprises a series module and a parallel module, and one of the parallel modules connects a plurality of battery modules in parallel; each group of battery modules includes a single battery pack or a plurality of battery packs that are otherwise connected through the series module and/or the parallel module.
3. The power supply of an electric power assisted vehicle of claim 2, wherein the series module and the parallel module are provided with a charge management module to charge and discharge the battery packs in a balanced manner.
4. The power supply of an electric power-assisted vehicle according to any one of claims 1 to 3, further comprising a battery box having a first charging port for charging all of the battery packs and/or a power indicator for indicating the amount of power in the battery box; the serial module and/or the parallel module are/is arranged in the battery box; all or part of the battery pack is arranged in the battery box, and the battery pack arranged in the battery box can be detached relative to the battery box.
5. The power supply of an electric power assisted vehicle of claim 4, wherein the battery box comprises a battery box seat and a battery box cover, the battery box cover can be opened relative to the battery box seat and is fixedly connected with the battery box seat through a locking screw or a buckle; when the two are connected through the locking screw, the locking screw is provided with a blocking unit which prevents the locking screw from being completely separated from the battery box.
6. An electric power supply for an electric assisted vehicle as claimed in claim 4, further comprising a docking station, wherein the battery compartment is detachable with respect to the docking station, and a lock is mounted on the battery compartment or the docking station for fixing the battery compartment and the docking station relative to each other.
7. An electric power supply for an electric vehicle as claimed in claim 6, wherein the docking station comprises a mounting station and a mounting bracket; the battery box is provided with a hanging and connecting buckle which can enter and exit the hanging and connecting groove.
8. An electric power assisted vehicle, characterized in that it comprises a vehicle body and a power supply of the electric power assisted vehicle according to any one of claims 1 to 3, the vehicle body is provided with a driving motor, and the power supply is connected with the driving motor; the vehicle body is provided with a second charging port for charging all the battery packs included in the power supply.
9. The electric assist vehicle of claim 8 wherein the power source further comprises a battery compartment, all or a portion of the battery pack being mounted within the battery compartment; when not all the battery packs are arranged in the battery boxes, the battery packs outside the battery boxes are arranged on the vehicle body;
the battery box comprises a battery box seat and a battery box cover, wherein the battery box cover can be opened relative to the battery box seat and is fixedly connected with the battery box seat through a locking screw;
the rear end of the locking screw faces the frame of the vehicle body, so that the locking screw cannot be withdrawn and detached.
10. The electric assist vehicle of claim 8, further comprising a hitch seat, the battery compartment being removable with respect to the hitch seat; the hanging seat comprises a mounting seat and a mounting support, and the mounting seat and the mounting support are fixed on the frame of the vehicle body in a surrounding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010375236.9A CN111409761A (en) | 2020-05-07 | 2020-05-07 | Power supply of electric power-assisted vehicle and electric power-assisted vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010375236.9A CN111409761A (en) | 2020-05-07 | 2020-05-07 | Power supply of electric power-assisted vehicle and electric power-assisted vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111409761A true CN111409761A (en) | 2020-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010375236.9A Pending CN111409761A (en) | 2020-05-07 | 2020-05-07 | Power supply of electric power-assisted vehicle and electric power-assisted vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111409761A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114516381A (en) * | 2022-01-21 | 2022-05-20 | 江苏苏美达五金工具有限公司 | Battery passenger cabin convenient to loading and unloading and electric bicycle |
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| CN110752645A (en) * | 2019-11-25 | 2020-02-04 | 广东博力威科技股份有限公司 | Parallel charging and discharging management system for multiple batteries |
| CN212063536U (en) * | 2020-05-07 | 2020-12-01 | 无锡川克智能电机有限公司 | Power supply of electric power-assisted vehicle and electric power-assisted vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102396097A (en) * | 2009-04-16 | 2012-03-28 | 威伦斯技术公司 | Batteries, battery systems, battery submodules, battery operational methods, battery system operational methods, battery charging methods, and battery system charging methods |
| EP2355205B1 (en) * | 2010-01-27 | 2012-11-14 | SANYO Electric Co., Ltd. | Battery system with a plurality of batteries housed in an external case |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114516381A (en) * | 2022-01-21 | 2022-05-20 | 江苏苏美达五金工具有限公司 | Battery passenger cabin convenient to loading and unloading and electric bicycle |
| CN114516381B (en) * | 2022-01-21 | 2024-01-02 | 江苏苏美达五金工具有限公司 | Battery cabin convenient to assemble and disassemble and electric bicycle |
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Application publication date: 20200714 |
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