CN212500857U - Battery compartment, battery pack and electric bicycle - Google Patents

Abstract

The embodiment of the disclosure provides a battery compartment, a battery assembly and an electric bicycle, wherein the battery compartment comprises a shell, a cavity is arranged in the shell, and an opening connected with the cavity is arranged above the shell; the cavity is internally provided with a partition plate, the partition plate divides the cavity into an upper cavity and a lower cavity, the upper cavity is connected with the opening and used for accommodating a battery, and the lower cavity is used for accommodating a motor controller. This openly can all install the integration in the battery compartment with battery and motor controller to save the storehouse body that sets up for motor controller alone, reduced electric bicycle's spare part quantity, be convenient for install.

Description

Battery compartment, battery pack and electric bicycle

Technical Field

The embodiment of the disclosure relates to the technical field of electric bicycles, in particular to a battery compartment, a battery assembly and an electric bicycle.

Background

With the development of battery technology, electric bicycles are produced. Compared with the traditional bicycle, the electric bicycle takes the battery as the energy source, so that the speed of the electric bicycle is higher, the labor is saved, and the use comfort of a user is improved; moreover, the electric bicycle still has the characteristics of small size and convenience, and becomes a preferred tool for people to go on a short trip.

The battery and the electric drive system are main parts of the electric bicycle different from a traditional bicycle, and the electric drive system mainly comprises a motor controller and a motor, wherein the motor controller is in communication connection with a main controller of the electric bicycle and is used for controlling the rotating speed of the motor so as to control the speed of the bicycle.

In the prior art, the battery is generally arranged on the bicycle body below the saddle, the motor controller is arranged near the rear wheel, and in order to protect the battery and the motor controller, a separate bin body is required to be arranged to respectively cover the battery and the motor controller, so that the number of parts of the electric bicycle is increased, the whole structure of the electric bicycle is overstaffed, and the electric bicycle is inconvenient to install.

SUMMERY OF THE UTILITY MODEL

The embodiment of the disclosure provides a battery compartment, a battery assembly and an electric bicycle, which are used for solving the problems of overstaffed structure and inconvenient installation of the electric bicycle.

On one hand, the embodiment of the disclosure provides a battery compartment, which comprises a shell, wherein a cavity is arranged in the shell, and an opening connected with the cavity is arranged above the shell; be equipped with the baffle in the cavity, the baffle will the cavity is cut apart into cavity and lower cavity, go up the cavity and connect the opening just is used for holding the battery, lower cavity is used for holding motor controller.

The battery compartment as described above, optionally, the partition is removably disposed within the cavity.

According to the battery compartment, optionally, a first opening and a second opening are respectively arranged at two ends of the casing, the first end of the partition board penetrates through the first opening and then is connected to the frame, and the second end of the partition board penetrates through the second opening and then is connected with the bottom fork.

Optionally, the housing is further provided with a clamping portion for connecting the frame, and the clamping portion is located above the first opening; the second end of baffle is connected with the fixed plate, the fixed plate slope in the baffle setting, the baffle passes through the fixed plate is connected on the parallel fork.

Optionally, the battery compartment is provided with a wire passing hole on the partition plate.

In the battery compartment as described above, optionally, a protection member is further disposed in the upper cavity, the protection member includes a first protection plate perpendicular to the partition plate, a second protection plate and a third protection plate are respectively connected to two ends of the first protection plate, and the second protection plate and the third protection plate are perpendicular to the first protection plate and the partition plate.

In the battery compartment, optionally, the first protection plate is provided with a first fixing hole, the housing is provided with a first through hole, and a fastener passes through the first fixing hole and the first through hole to fixedly connect the first protection plate with the housing; one end of the second protection plate, which is close to the partition plate, and one end of the third protection plate, which is close to the partition plate, are both provided with flanges, second fixing holes are formed in the flanges, second through holes are formed in the partition plate, and fasteners penetrate through the second fixing holes and the second through holes and then are fixedly connected with the flanges and the partition plate.

As above-mentioned battery compartment, optionally, one side of keeping away from in the casing first protection board is equipped with prevents slow-witted structure, prevent slow-witted structure including a plurality of connections two adjacent sides of casing prevent slow-witted board, a plurality of prevent slow-witted board be parallel to each other and follow the axial of casing evenly sets up.

On the other hand, the embodiment of this disclosure provides a battery pack, including battery, motor controller and as above any the battery compartment, the battery sets up in the upper cavity of battery compartment, motor controller sets up in the lower cavity of battery compartment.

In another aspect, an embodiment of the present disclosure provides an electric bicycle, which includes a bicycle body, wherein the battery assembly is disposed on the bicycle body.

The battery compartment comprises a shell, a cavity is arranged in the shell, and an opening connected with the cavity is arranged above the shell; the cavity is internally provided with a partition plate, the partition plate divides the cavity into an upper cavity and a lower cavity, the upper cavity is connected with the opening and used for accommodating a battery, and the lower cavity is used for accommodating a motor controller. Through the structure, the battery and the motor controller can be integrally installed in the battery bin, so that a bin body which is independently arranged for the motor controller is omitted, the number of parts of the electric bicycle is reduced, and the electric bicycle is convenient to install.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

Fig. 1 is a schematic view of a battery compartment provided by an embodiment of the present disclosure at a first viewing angle;

fig. 2 is a schematic diagram of a battery compartment provided by an embodiment of the disclosure at a second viewing angle;

FIG. 3 is a schematic view of a connection structure of a battery assembly and a vehicle body according to an embodiment of the disclosure;

FIG. 4 is a schematic view of the structure of FIG. 3 with the battery, part of the housing and part of the vehicle body omitted;

fig. 5 is a schematic structural diagram of an electric bicycle according to an embodiment of the present disclosure.

Reference numerals:

1-an electric bicycle;

11-a frame;

12-a handlebar assembly;

13-a central control component;

14-a basket;

15-front fender;

16-a front wheel;

17-a saddle;

18-a saddle adjustment assembly;

19-a battery assembly;

20-a rear wheel;

21-pedaling;

22-rear mudguard;

23-bottom fork;

24-upper fork;

100-a housing;

101-a connecting part;

110-a separator;

111-a fixed plate;

112-wire through hole;

120-upper chamber;

130-a lower cavity;

140-a snap-in part;

150-a protective element;

151-a first protection plate;

1510-a first fixation hole;

152-a second protective plate;

153-a third protective plate;

154-flanging;

1540-second fixing hole;

160-prevention of stiffness.

With the foregoing drawings in mind, certain embodiments of the disclosure have been shown and described in more detail below. These drawings and written description are not intended to limit the scope of the disclosed concepts in any way, but rather to illustrate the concepts of the disclosure to those skilled in the art by reference to specific embodiments.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described clearly and completely below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present disclosure.

All other embodiments that can be derived by a person skilled in the art from the embodiments of the disclosure without making any creative effort fall within the protection scope of the embodiments of the disclosure. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

The battery and the electric drive system are main parts of the electric bicycle different from a traditional bicycle, and the electric drive system mainly comprises a motor controller and a motor, wherein the motor controller is in communication connection with a main controller of the electric bicycle and is used for controlling the rotating speed of the motor so as to control the speed of the bicycle.

In the prior art, the battery is generally arranged on the bicycle body below the saddle, the motor controller is arranged near the rear wheel, and in order to protect the battery and the motor controller, a separate bin body is required to be arranged to respectively cover the battery and the motor controller, so that the number of parts of the electric bicycle is increased, the whole structure of the electric bicycle is overstaffed, and the electric bicycle is inconvenient to install.

The utility model aims at providing a battery compartment, battery pack and electric bicycle to reduce electric bicycle's spare part quantity, make electric bicycle structure compacter, convenient equipment.

The following detailed description of the embodiments of the present disclosure will be given in conjunction with the accompanying drawings so that those skilled in the art can more fully understand the contents of the embodiments of the present disclosure.

Example one

Fig. 1 is a schematic view of a battery compartment provided by an embodiment of the present disclosure at a first viewing angle; fig. 2 is a schematic diagram of a battery compartment provided by an embodiment of the disclosure at a second viewing angle; FIG. 3 is a schematic view of a connection structure of a battery assembly and a vehicle body according to an embodiment of the disclosure; FIG. 4 is a schematic view of the structure of FIG. 3 with the battery, part of the housing and part of the vehicle body omitted; please refer to fig. 1-4.

The embodiment provides a battery compartment, which comprises a casing 100, wherein a cavity is arranged in the casing 100, and an opening connected with the cavity is arranged above the casing 100; a partition plate 110 is arranged in the cavity, the partition plate 110 divides the cavity into an upper cavity 120 and a lower cavity 130, the upper cavity 120 is connected with the opening and used for accommodating a battery, and the lower cavity 130 is used for accommodating a motor controller.

Specifically, as shown in fig. 3, the battery compartment of the present embodiment is disposed under a saddle (not shown) of the electric bicycle, the battery compartment is surrounded by the frame 11, the bottom fork 23 and the upper fork 24, a support rod is disposed between the two upper forks 24 to support the upper portion of the battery compartment, and the lower portion of the battery compartment can be supported on the two bottom forks 23.

As shown in fig. 4, the casing 100 of the present embodiment is substantially rectangular, a cavity is formed inside the casing 100, that is, the casing 100 is hollow, an opening connected to the cavity is provided above the casing 100, and the battery can be placed in the cavity through the opening. Further, a partition 110 is disposed in the cavity, and the partition 110 is disposed in the cavity along a direction perpendicular to the axial direction of the housing 100 to divide the cavity into an upper cavity 120 and a lower cavity 130, wherein the upper cavity 120 is connected with the opening and can be used for accommodating a battery, which facilitates the daily installation and removal of the battery; the lower chamber 130 is relatively sealed and may be used to house a motor controller.

Preferably, the housing 100 may be a plastic part, so that the weight of the whole battery compartment is light, which is convenient for reducing the weight of the whole electric bicycle; the separator 110 may be a metal member so that the separator 110 may provide stable support to the battery.

Through the structure, the battery and the motor controller can be integrally installed in the battery bin, so that a bin body which is independently arranged for the motor controller is omitted, the number of parts of the electric bicycle is reduced, and the electric bicycle is convenient to install.

In an alternative embodiment, the partition 110 may be removably attached within the cavity to facilitate maintenance of the motor controller. Specifically, as shown in fig. 2 and 4, a plurality of connecting portions 101 are disposed in the casing 100, the connecting portions 101 are connected to the side walls of the casing, through holes are disposed on the connecting portions 101, corresponding through holes can be disposed at corresponding positions on the partition 110, and then the connecting portions and the partition 110 are fixed by fasteners; when the motor controller needs to be maintained, the partition plate 110 can be taken out of the cavity only by detaching the fastening piece, and then the motor controller can be maintained.

Of course, it is clear to those skilled in the art that the partition 110 may also be fixed in the cavity by using a connection manner such as clamping, and this embodiment does not further limit this.

In another alternative embodiment, the partition 110 may be fixedly connected to the vehicle body by welding, which may enhance the overall strength of the vehicle body. Specifically, as shown in fig. 1 and 4, a first opening and a second opening are respectively disposed at two ends of the housing 100, a first end of the partition plate 110 penetrates through the first opening and is connected to the frame 11, and a second end of the partition plate 110 penetrates through the second opening and is connected to the bottom fork 23.

In this embodiment, a clamping portion 140 for connecting the frame 11 is further disposed on the casing 100, the clamping portion 140 is located above the first opening, and the casing 100 is connected to the frame 11 by welding the partition plate 110 to the frame 11 and clamping the clamping portion 140 to the frame 11. The second end of the partition plate 110 is connected with a fixing plate 111, the fixing plate 111 is inclined to the partition plate 110, one end of the fixing plate 111 is connected with the partition plate 110, and the other end of the fixing plate 111 extends towards the direction away from the upper cavity 120, so that the partition plate 110 and the fixing plate 111 form a general 'L' shape, the partition plate 110 is connected between the two bottom forks 23 through the fixing plate 111, and the partition plate 111 is welded to the inner side surfaces of the bottom forks 23.

In order to ensure the connection between the battery and the motor controller and other parts, a wire through hole 112 is further formed on the partition plate 110.

Further, as shown in fig. 1, fig. 2 and fig. 4, in this embodiment, the battery is protected to prevent the battery from being damaged. A protection member 150 is further provided in the upper chamber 120, the protection member 150 including a first protection plate 151 perpendicular to the barrier 110, a second protection plate 152 and a third protection plate 153 are respectively connected to both ends of the first protection plate 151, and the second protection plate 152 and the third protection plate 153 are perpendicular to both the first protection plate 151 and the barrier 110. That is, in the present embodiment, the protection member 150 includes a U-shaped groove structure formed by the first protection plate 151, the second protection plate 152 and the third protection plate 153, and the U-shaped groove structure can also play a role of guiding when the battery is inserted. The protection member 150 may be made of a metal material to improve the strength of the battery case.

Specifically, the first protection plate 151 of this embodiment is provided with a first fixing hole 1510, the housing 100 is provided with a first through hole, and the fastener passes through the first fixing hole 1510 and the first through hole to fixedly connect the first protection plate 151 and the housing 100. One end of the second protection plate 152 close to the partition plate 110 and one end of the third protection plate 153 close to the partition plate 110 are both provided with a flange 154, the flange 154 is provided with a second fixing hole 1540, the partition plate 110 is provided with a second through hole, and the flange 154 and the partition plate 110 are fixedly connected after the fastener passes through the second fixing hole 1540 and the second through hole.

Further, as shown in fig. 2, in the present embodiment, a fool-proof structure is disposed on a side of the housing 100 away from the first protection plate 151, so as to prevent a user from inserting the battery into the battery compartment in an incorrect direction and causing a safety hazard. Fool-proof structure can be for setting up the protruding structure in the battery compartment, need set up corresponding sunken on the casing of battery this moment. In this embodiment, the fool-proof structure includes a plurality of fool-proof plates 160 connected to two adjacent side surfaces of the housing 100, the plurality of fool-proof plates 160 are parallel to each other and are uniformly arranged along the axial direction of the housing 100, and the fool-proof plates 160 may be in a triangular shape, a square shape or other irregular shapes, which is not limited in this embodiment.

Example two

The present embodiment provides a battery assembly, which includes a battery, a motor controller, and the battery compartment as described in the first embodiment, wherein the battery is disposed in an upper cavity of the battery compartment, and the motor controller is disposed in a lower cavity of the battery compartment.

The battery pack that this embodiment provided can all install battery and motor controller and integrate in the battery compartment to save the storehouse body that sets up for motor controller alone, be favorable to reducing electric bicycle's spare part quantity, the installation of being convenient for.

EXAMPLE III

FIG. 5 is a schematic view of an electric bicycle according to an embodiment of the present disclosure; please refer to fig. 5. The embodiment provides an electric bicycle 1, which comprises a bicycle body, wherein the bicycle body is provided with a battery assembly as described in the second embodiment.

Specifically, as shown in fig. 5, the body of the electric bicycle 1 provided in this embodiment includes a frame 11, and the frame 11 is mainly used for providing assembly support for other components and supporting the weight of the user. The frame 11 is generally "V" -shaped, and has one end connected to the handlebar assembly 12 and the other end connected to the saddle 17.

The handlebar assembly 12 is mainly used for controlling the advancing direction of the electric bicycle 1 and comprises a handlebar, a brake controller and a connecting pipe, the connecting pipe is fixedly connected with a front fork after passing through a frame, a front wheel 16 is fixed on the front fork through a rotating shaft, and therefore the handlebar assembly can drive the front wheel 16 to rotate so as to control the advancing direction of the electric bicycle 1. A front fender 15 is also fixed on the front fork to prevent dirt on the bottom surface from splashing on the user during riding. A central control assembly 13 may be further connected to the middle of the handlebar assembly 12, and the central control assembly 13 is used for information interaction between a user and a server, displaying status information of the electric bicycle 1 at present, and the like. In addition, a basket 14 may also be provided beneath the handlebar assembly 12 to facilitate placement of paraphernalia by a user.

The other end of frame 11 is connected with saddle 17, and saddle 17 passes through saddle adjusting part 18 to be connected on frame 11, and saddle adjusting part 18 can reciprocate along frame 11 to adjust saddle 17's height, the customer of the different heights of adaptation. The side of the frame 11 is also provided with a battery assembly 19, the battery assembly 19 comprises a battery compartment arranged in the frame 11 and a rear fork connected with the frame 11 and a battery arranged in the battery compartment, and the battery is arranged in the battery compartment to realize power supply. The side of the frame 11 away from the handlebar assembly 12 is connected with a rear wheel 20 through a rear fork, and the rear wheel 20 can also be fixed on the rear fork through a rotating shaft. A rear fender 22 is provided above the rear wheel 20, and the rear fender 22 prevents dirt on the underside from being splashed onto the user during riding.

The electric self-forming vehicle 1 further comprises a driving mechanism, wherein the driving mechanism comprises a motor controller arranged below the battery assembly 19, the motor controller is in communication connection with the central control assembly 13, and the motor controller works under the control of the central control assembly 13. The output end of the motor controller drives the rear wheel 20 to rotate through a transmission mechanism so as to realize electric drive; in addition, the electric bicycle 1 can also be kept with a traditional manual driving structure, that is, the pedals 21 are connected with the rear wheel 20 through a transmission mechanism such as a chain wheel and a chain, and the pedals 21 are used for driving the rear wheel 20 to rotate, so that manual driving is realized. In practical use, the two driving modes can be used simultaneously or independently to meet the use requirements under different conditions.

In this embodiment, since the battery assembly 19 adopts the battery assembly described in the second embodiment, the battery and the motor controller can be installed and integrated in the battery compartment, so that a separate compartment body for the motor controller is omitted, the number of parts of the electric bicycle is reduced, and the installation is facilitated.

In the description of the embodiments of the present disclosure, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience in describing the embodiments of the present disclosure and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the embodiments of the present disclosure.

In the embodiments of the present disclosure, unless otherwise specifically stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art according to specific situations.

It should be noted that, in the description of the embodiments of the present disclosure, the terms "first" and "second" are only used for convenience in describing different components, and are not to be construed as indicating or implying a sequential relationship, relative importance, or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the embodiments of the present disclosure, and not for limiting the same; although embodiments of the present disclosure have been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the respective embodiments of the present disclosure.

Claims (10)

1. A battery compartment is characterized by comprising a shell, wherein a cavity is arranged in the shell, and an opening connected with the cavity is arranged above the shell; be equipped with the baffle in the cavity, the baffle will the cavity is cut apart into cavity and lower cavity, go up the cavity and connect the opening just is used for holding the battery, lower cavity is used for holding motor controller.

2. The battery cartridge of claim 1, wherein the separator is removably disposed within the cavity.

3. The battery compartment according to claim 1, wherein a first opening and a second opening are respectively formed at two ends of the housing, a first end of the partition board penetrates through the first opening and is connected to the frame, and a second end of the partition board penetrates through the second opening and is connected to the bottom fork.

4. The battery compartment according to claim 3, wherein a clamping portion for connecting the frame is further provided on the housing, and the clamping portion is located above the first opening; the second end of baffle is connected with the fixed plate, the fixed plate slope in the baffle setting, the baffle passes through the fixed plate is connected on the parallel fork.

5. The battery compartment according to claim 1, wherein the partition has a wire passing hole.

6. The battery compartment according to any one of claims 1 to 5, wherein a protection member is further disposed in the upper chamber, the protection member comprises a first protection plate perpendicular to the partition plate, a second protection plate and a third protection plate are respectively connected to two ends of the first protection plate, and the second protection plate and the third protection plate are perpendicular to the first protection plate and the partition plate.

7. The battery compartment according to claim 6, wherein the first protection plate has a first fixing hole, the housing has a first through hole, and a fastener passes through the first fixing hole and the first through hole to fixedly connect the first protection plate with the housing; one end of the second protection plate, which is close to the partition plate, and one end of the third protection plate, which is close to the partition plate, are both provided with flanges, second fixing holes are formed in the flanges, second through holes are formed in the partition plate, and fasteners penetrate through the second fixing holes and the second through holes and then are fixedly connected with the flanges and the partition plate.

8. The battery compartment according to claim 6, wherein a fool-proof structure is disposed on a side of the housing away from the first protection plate, the fool-proof structure includes a plurality of fool-proof plates connected to two adjacent sides of the housing, and the fool-proof plates are parallel to each other and are uniformly disposed along an axial direction of the housing.

9. A battery assembly comprising a battery, a motor controller and a battery compartment according to any of claims 1 to 8, the battery being disposed in an upper cavity of the battery compartment and the motor controller being disposed in a lower cavity of the battery compartment.

10. An electric bicycle comprising a body provided with the battery pack according to claim 9.

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