CN220076570U

CN220076570U - Battery charging device for electronic transmission

Info

Publication number: CN220076570U
Application number: CN202321315596.5U
Authority: CN
Inventors: 王绪涵
Original assignee: Qingdao Magene Intelligence Technology Co Ltd
Current assignee: Qingdao Magene Intelligence Technology Co Ltd
Priority date: 2023-05-26
Filing date: 2023-05-26
Publication date: 2023-11-24
Anticipated expiration: 2033-05-26

Abstract

The utility model discloses a battery charging device for an electronic transmission, wherein an electric connecting wire comprises a first connecting wire and a second connecting wire, the first connecting wire is a multi-core wire, and the battery charging device is connected in series in the electric connecting wire and comprises: the PCB is provided with a first power supply end and a second power supply end which are connected, a power supply line in the first connecting line is respectively connected with the charging management module and the first power supply end, and the second connecting line is connected with the second power supply end and the power supply end of the electronic transmission; and the charging interface is arranged on the PCB, and a charging wire in the first connecting wire is connected with the charging interface. The utility model is convenient to charge and easy to maintain by the external battery charging device.

Description

Battery charging device for electronic transmission

Technical Field

The utility model relates to the technical field of bicycle charging, in particular to a battery charging device for an electronic transmission.

Background

Along with the prevalence of leisure activities of bicycles, bicycles become a tool for leisure activities, in order to improve the performance of the bicycles, the manufacturing technology of the bicycles is continuously improved, the existing bicycles adopt an electronic transmission for gear shifting, the electronic transmission takes a motor as a driving force, and the motor power is transmitted to an output shaft by utilizing a gear set, so that the output shaft rotates to drive a movable frame to move and further drive a chain shifting arm, the relative position of a chain and a chain wheel is further changed, the purpose of gear shifting is achieved, a rider can shift gears according to road conditions, and the riding speed is improved.

Existing bicycles with electronic front/rear derailleurs have built-in batteries in the frame or a battery pack mounted on the frame to provide electrical power to the (front and rear) electronic derailleurs. The existing battery charging mode adopts a charging port arranged on the rear electronic transmission and is charged by connecting an external power supply, the charging port is additionally arranged on the rear transmission, the structural complexity and the size of the rear transmission are increased, the plug port is easy to damage due to long-term plug charging, and if the charging port is damaged, the rear transmission needs to be replaced, so that the cost investment is increased.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide a battery charging device for an electronic transmission, which is convenient to charge and easy to maintain through an external battery charging device.

In order to achieve the aim of the utility model, the utility model is realized by adopting the following technical scheme:

the utility model relates to a battery charging device for an electronic transmission, a rechargeable battery supplies power to the electronic transmission by using an electric connecting wire through a charging management module, the electric connecting wire comprises a first connecting wire and a second connecting wire, the first connecting wire is a multi-core wire, and the battery charging device is connected in the electric connecting wire in series and comprises:

the PCB is provided with a first power supply end and a second power supply end which are connected, a power supply line in the first connecting line is respectively connected with the charge management module and the first power supply end, and the second connecting line is connected with the second power supply end and the power supply end of the electronic transmission;

and the charging interface is arranged on the PCB, and a charging wire in the first connecting wire is connected with the charging interface.

In some embodiments of the present utility model, the battery charging device is connected in series in an electrical connection line of the front derailleur, and the charging management module is connected to a power supply end of the rear derailleur through an electrical connection line corresponding to the rear derailleur;

the battery charging device is connected in series in an electric connection wire of the rear transmission, and the charging management module is connected with a power supply end of the rear transmission through the electric connection wire corresponding to the front transmission.

In some embodiments of the utility model, the charging interface is a charging pin.

In some embodiments of the present utility model, the battery charging device further includes an engaging member for engaging the external charging member when the external charging member charges the rechargeable battery through the charging pin.

In some embodiments of the utility model, the engagement member is a magnetic member, a snap-fit member, or a clamp member.

In some embodiments of the utility model, the battery charging apparatus includes:

the shell forms accommodation space in it, arrange in the accommodation space the PCB board, the interface exposes of charging the shell, first through-hole portion and second through-hole portion are seted up respectively to the both sides of shell, first connecting wire is kept away from rechargeable battery's one end is passed first through-hole portion stretches into in the accommodation space, second connecting wire is kept away from electronic transmission's one end is passed second through-hole portion stretches into in the accommodation space.

In some embodiments of the utility model, the battery charging apparatus further comprises:

the first sealing head is arranged on the first connecting line in a penetrating way and is arranged at the first through part, and is used for sealing a gap between the first through part and the first connecting line;

and the second sealing head is arranged on the second connecting wire in a penetrating way and is arranged at the second through part and used for sealing a gap between the second through part and the second connecting wire.

In some embodiments of the utility model, the housing comprises:

an upper housing, the charging interface exposing a top surface of the upper housing;

the lower shell is arranged on the upper shell, a first positioning column and a second positioning column are convexly arranged on the bottom wall in the lower shell, a first positioning hole and a second positioning hole are formed in the PCB, the first positioning column penetrates through the first positioning hole, and the second positioning column penetrates through the second positioning hole.

In some embodiments of the present utility model, the charging interface is a charging pin, and the charging pin is connected to the PCB board and extends out from a connection hole formed on the top surface of the upper housing;

the inner side of the top surface of the upper shell is also concavely provided with a first accommodating groove and a second accommodating groove which are positioned at two sides of the connecting hole, a first magnetic part is arranged in the first accommodating groove, a second magnetic part is arranged in the second accommodating groove, and the second magnetic part is used for magnetically attracting an external charging part electrically connected with the charging interface.

In some embodiments of the utility model, a first plug connector is arranged at one end of the first connecting wire away from the battery charging device and is used for being connected with the charging management module in a plug-in manner;

one end of the second connecting wire, which is far away from the battery charging device, is provided with a second plug connector which is used for being in plug connection with the charging management module.

Compared with the prior art, the battery charging device for the electronic transmission has the following advantages:

(1) The battery charging device is not dependent on the external serial connection of the electronic transmission in the electric connecting wire, a charging port is not additionally arranged in the rear transmission, and the structural complexity and the volume of the rear transmission are reduced;

(2) The battery charging device is arranged outside independently, so that the maintenance and the charging are convenient;

(3) The battery charging device is simple in structure, easy to realize and low in input cost.

Other features and advantages of the present utility model will become apparent upon review of the detailed description of the utility model in conjunction with the drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a partial block diagram of a battery charging device for an electronic transmission according to the present utility model connected in series to an electrical connection line;

FIG. 2 is a schematic illustration of a battery charging device for an electronic transmission according to the present utility model coupled to a rechargeable battery and a front and rear transmission;

FIG. 3 is a schematic diagram showing a battery charging apparatus for an electronic transmission according to the present utility model connected to a rechargeable battery and a front transmission and a rear transmission;

FIG. 4 is a block diagram of a battery charging apparatus for an electronic transmission according to the present utility model;

FIG. 5 is an exploded view of a battery charging device for an electronic transmission according to the present utility model;

FIG. 6 is a block diagram of an upper housing in a battery charging apparatus for an electronic transmission according to the present utility model;

fig. 7 is a cross-sectional view of a battery charging device for an electronic transmission according to the present utility model.

Reference numerals:

100-battery charging device; 200-rear derailleur electrical connection wires; 200' -front derailleur electrical connection; 210-a first connection line; 220-a second connection line; 300-rear derailleur; 400-front derailleur; 500-cell assembly;

110-a PCB board; 111-a first positioning hole; 112-a second positioning hole; 120-charging interface; 121/122-charging pins; 130-an upper housing; 131-first connection holes; 132-a second connection hole; 133-a first receiving groove; 134-a second receiving groove; 135-boss; 140-a lower housing; 141-a first positioning column; 141' -second positioning column; 142-step; 143-a first stop; 144-mounting holes; 145-light guide holes; 150-a first sealing head; 150' -second sealing head; 160-a first magnetic member; 160' -a second magnetic member; 170-a light guide; 180-key.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically indicated and defined. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. In the description of the above embodiments, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

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 or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In order to facilitate charging of a battery for an electronic transmission, the present utility model relates to a battery charging device 100 for charging a rechargeable battery for an electronic transmission.

Referring to fig. 1, a connection relationship between a battery assembly 500 and an electronic front derailleur and an electronic rear derailleur, respectively, is illustrated.

The battery assembly 500 includes a rechargeable battery and a charge management module for charge and discharge management of the rechargeable battery, which may be commercially available.

When the rechargeable battery is charged, charging current charges the rechargeable battery through the charging management module; when the rechargeable battery discharges, the discharging current supplies power to the power utilization part through the charging management module.

An electronic front derailleur (front derailleur 400 for short) and an electronic rear derailleur (rear derailleur 300 for short) are arranged in parallel and are independently powered by the battery assemblies 500 through corresponding electrical connection lines, respectively.

That is, the rechargeable battery supplies power to the front derailleur 400 via the front derailleur electrical connection wire 200', and the rechargeable battery supplies power to the rear derailleur 300 via the rear derailleur electrical connection wire 200.

In order to realize the external serial connection of the battery charging device 100 on the electric connection line, so as to charge the rechargeable battery conveniently, in the present utility model, the battery charging device 100 may be serially connected in the front transmission electric connection line 200' or the rear transmission electric connection line 200.

Since the front transmission electrical connection line 200' and the rear transmission electrical connection line 200 are disposed in parallel, when the battery charging apparatus 100 is connected in series to the front transmission electrical connection line 200', the front transmission electrical connection line 200' needs to be modified to enable the battery charging apparatus 100 to charge the rechargeable battery through the front transmission electrical connection line 200' and also to output the power supply current through the front transmission electrical connection line 200', and at this time, the rechargeable battery still supplies power to the rear transmission 300 through the rear transmission electrical connection line 200.

When the battery charging device 100 is connected in series to the rear derailleur electrical connection wire 200, the rear derailleur electrical connection wire 200 needs to be modified to enable the battery charging device 100 to charge the chargeable current through the rear derailleur electrical connection wire 200 and also to output the supply current through the rear derailleur electrical connection wire 200, and at this time, the chargeable battery still supplies power to the front derailleur 400 through the front derailleur electrical connection wire 200'.

As follows, both the front transmission electrical connection line 200' and the rear transmission electrical connection line 200 are collectively referred to as electrical connection lines.

Referring to fig. 1, a battery charging apparatus 100 is illustrated as being connected in series to an electrical connection wire 200.

The battery charging device 100 is connected in series to the electrical connection line 200, wherein the electrical connection line 200 comprises a first connection line 210 and a second connection line 220, the first connection line 210 is used for connecting the battery charging device 100 and the charge management module, and the second connection line 220 is used for connecting the battery charging device 100 and a power supply end of the rear transmission 300 of the corresponding electrical connection line 200.

Referring to fig. 2, the first connection line 210 is a multi-core line including a power supply line (not shown) and a charging line (not shown).

The battery charging device 100 includes a PCB board 110 and a charging interface 120 disposed on the PCB board 110, a first power supply end (not shown) and a second power supply end (not shown) connected to each other are disposed on the PCB board 110, and the charging interface 120 may be a Micro-USB/Type-c interface, a charging pin, or the like.

To facilitate wiring and cabling, the first power supply terminal and the second power supply terminal are located on opposite sides of the PCB board 110, respectively.

Referring to fig. 2, the rechargeable battery outputs a supply current through the charge management module, the supply current flows to the first supply terminal sys1 along the supply line of the first connection line 210, the first supply terminal sys1 flows to the second supply terminal sys2 through the PCB board 110, and the second supply terminal sys2 is connected to the supply terminal of the rear derailleur 300 through the second connection line 220, thereby achieving power supply to the rear derailleur 300.

An external power supply part (not shown) is connected to the charging interface 120 and outputs a charging current, which is output to the charge management module along a charging line of the first connection line 210, so that the charge management module charges the rechargeable battery using the charging current.

Similarly, when the battery charging device 100 is connected in series to the front derailleur electrical connection wire 200', referring to fig. 3, the rechargeable battery outputs a supply current through the charge management module, and the supply current flows to the supply end of the front derailleur 400 through the supply wire of the front derailleur electrical connection wire 200' and the PCB board 110, thereby realizing the supply of power to the front derailleur 400.

An external power supply component (not shown) is connected to the charging interface 120 and outputs a charging current that is output along the charging line of the front transmission electrical connection line 200' to the charge management module, so that the charge management module charges the rechargeable battery with the charging current.

When the charging interface 120 is a charging pin, it is located on the PCB board 110 and the charging pin includes a charging pin VBUS and a ground pin GND.

The charging needle is in contact connection with an external power supply component to realize charging, so that the charging device is convenient and quick to connect, and does not need to be plugged and unplugged, and the service life of the battery charging device 100 is prolonged.

In order to enable stable charging when the external power supply part is connected to the charging interface 120 of the battery charging device 100, an engagement portion for engaging and stabilizing the external charging part is further provided on the battery charging device 100.

The engaging portion may be a magnetic member provided on the battery charging device 100, and accordingly, the external power supply member should have a magnetically attracted property, and when the external power supply member is connected to the charging interface 120, the external power supply member is stably and reliably connected to the charging interface 120 by magnetically attracting the external power supply member through the magnetic member.

The joint part may also be a clamping piece, which is used for clamping with an external power supply component, for example, the clamping piece is a buckle, correspondingly, the external power supply component should have a clamping groove matched with the buckle, and when the external power supply component is connected with the charging interface 120, the external power supply component is connected with the charging interface 120 stably and reliably through the clamping of the buckle and the clamping groove.

The engaging portion may also be a clamping member for clamping the external power supply member, for example, the clamping member is a clamping claw, and when the external power supply member is connected to the charging interface 120, the clamping claw clamps the external power supply member, so as to ensure that the external power supply member is stably and reliably connected to the charging interface 120.

In order to facilitate replacement of the battery charging device 100 when the battery charging device 100 is damaged, the end of the first connection line 210 remote from the battery charging device 100 is provided with a first plug-in connector (not shown) for plug-in connection with the charge management module, and the end of the second connection line 220 remote from the battery charging device 100 is provided with a second plug-in connector (not shown) for plug-in connection with the power supply end of the rear derailleur 300.

In the present utility model, the first and second connectors may be terminal blocks.

In the present utility model, the battery charging device 100 includes a housing, an accommodating space being formed inside the housing.

The PCB board 110 is disposed in the receiving space, and the charging interface 120 is exposed to the housing and is used for connection with an external power supply part.

The two sides of the shell are respectively provided with a first through part and a second through part.

One end of the first connection line 210, which is far from the battery assembly 500, penetrates through the first through portion and protrudes into the accommodating space, so that the power supply end of the first connection line 210 is connected with the first power supply end sys1 and the charging end of the first connection line 210 is connected with the charging interface 120.

One end of the second connecting wire 220, which is far from the rear derailleur 300, passes through the second through part and extends into the accommodating space to connect the second connecting wire 220 with the second power supply end sys 2.

Referring to fig. 4 to 7, in the present utility model, in order to facilitate assembly of the battery charging device 100, the housing includes an upper housing 130 and a lower housing 140, and the upper housing 130 is mounted on the lower housing 140.

Referring to fig. 5, the pcb 110 is positioned in the lower case 140, and a stepped portion 142 is formed on the circumferential inner sidewall of the top opening of the lower case 140, and correspondingly, a boss 135 (see fig. 6) is formed at the bottom opening of the upper case 130, and glue is dispensed on the stepped portion 142, so that the upper case 130 and the lower case 140 are glued together when the boss 135 is placed on the stepped portion 142.

In order to better position the PCB 110, a first positioning post 141 and a second positioning post 141 'are disposed on the inner side of the bottom wall of the lower case 140, and correspondingly, a first positioning hole 111 and a second positioning hole 112 are formed on the PCB 110, and when the PCB 110 is positioned, the first positioning post 141 passes through the first positioning hole 111, and the second positioning post 141' passes through the second positioning hole 112, so as to position the PCB 110 in the lower case 140, see fig. 7.

In addition, in order to secure the stability of the PCB 110, referring to fig. 5, four stoppers are provided for defining an area of the PCB 110 within the lower case 140.

In the present utility model, the first positioning column 141 and the second positioning column 141 'are oppositely opened, the first stopper 143 and the second stopper (not marked) are provided at both sides of the first positioning column 141, and the third stopper (not marked) and the fourth stopper (not marked) are provided at both sides of the second positioning column 141'.

When the PCB 110 is positioned on the first and second positioning posts 141 and 141', the first, second, third and fourth stoppers are located outside the edge of the PCB 110, respectively.

In the present utility model, referring to fig. 5, the charging interface 120 is a charging pin, and since a loop needs to be formed during charging, the number of charging pins is two and includes a first charging pin 121 and a second charging pin 122.

Referring to fig. 6, two connection holes are correspondingly formed in the upper case 130 and include a first connection hole 131 and a second connection hole 132, and the first and second charging pins 121 and 122 for soldering to the PCB board 110 protrude through the first and second connection holes 131 and 132, respectively, see fig. 4.

In the present utility model, in order to stably connect the battery charging device 100 to an external power supply member, a stable mechanical connection is realized by a magnetic attraction method.

Referring to fig. 6, a first receiving groove 133 and a second receiving groove 134 are further recessed inside the top surface of the upper case 130, the first receiving groove 133 and the second receiving groove 134 being located at both sides of the two charging pins 121 and 122, respectively, to form a uniform magnetic attraction force.

A first magnetic member 160 is disposed (e.g., interference fit) in the first receiving groove 133 and a second magnetic member 160' is disposed in the second receiving groove 134.

In the present utility model, the bicycle is generally applied to outdoor exercises, and thus, the gap between the housing and the first connection line 210 and the gap between the housing and the second connection line 220 are sealed.

In the present utility model, the opposite side walls of the upper housing 130 are respectively provided with a first notch and a second notch, and the opposite side walls of the lower housing 140 are respectively provided with a third notch and a fourth notch.

The first notch and the third notch form a first through portion as described above, and a first sealing head 150 is provided at the first through portion, and the first sealing head 150 is disposed on the first connection line 210 in a penetrating manner, for sealing a gap between the first through portion and the first connection line 210.

The second notch and the fourth notch form a second through portion as described above, and a second sealing head 150 'is provided at the second through portion, and the second sealing head 150' is penetratingly provided on the second connection line 220 for sealing a gap between the second through portion and the second connection line 220.

Referring to fig. 5 and 7, other functions may be integrated on the PCB 110, for example, a key 180 may be disposed on the PCB 110, and the key 180 may be exposed from the housing, specifically, may be exposed from a mounting hole 144 formed on the bottom surface of the lower housing 140, and perform an interactive operation through the key 180, for example, for operating to enter a pairing mode in which the front derailleur 400 and the rear derailleur 300 are paired, or for operating to enter a specific mode (for example, an adjustment mode), for example, after entering the adjustment mode, the initial position of the front derailleur and the rear derailleur may be readjusted by hand.

A display unit (not shown) may also be disposed on the PCB 110, and a light guide 170 is disposed corresponding to the display unit, so as to guide out the light displayed by the display unit through the light guide 170, so as to intuitively display the light to a user.

The light guide 170 is mounted on the housing and exposed from the housing, and may protrude from the light guide hole 170 of the lower housing 140.

The display unit may be a display of battery power or a display mode, or may be a display light for indicating pairing after entering a pairing mode, for example, when the front derailleur 400 and the rear derailleur 300 are paired, the display light may be blue and flash, and may be normally bright after successful pairing, which is not limited herein.

The battery charging apparatus 100 described above is similar in structure and principle when connected in series to the front derailleur electrical connection wire 200', and will not be described herein.

The battery charging device 100 provided by the utility model is externally connected in series on an electric connection line, does not occupy the space of the rear transmission 300, is charged by contact of a charging needle, does not need to be plugged and unplugged, and is convenient to use and long in service life; and is easily replaced by a plug after the battery charging device 100 is damaged.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims

1. The utility model provides a battery charging device for electronic transmission, chargeable call utilizes the electricity connecting wire to supply power for electronic transmission through charge management module, its characterized in that, the electricity connecting wire includes first connecting wire and second connecting wire, first connecting wire is the multicore line, battery charging device concatenate in the electricity connecting wire just includes:

2. The battery charging apparatus according to claim 1, wherein,

the battery charging device is connected in series in an electric connecting wire of the front speed changer, and the charging management module is connected with a power supply end of the rear speed changer through the electric connecting wire corresponding to the rear speed changer;

3. The battery charging apparatus of claim 1, wherein the charging interface is a charging pin.

4. A battery charging apparatus according to claim 3, further comprising an engaging member for engaging the external charging member when the external charging member charges the rechargeable battery through the charging pin.

5. The battery charging apparatus of claim 4, wherein the engagement member is a magnetic member, a snap-fit member, or a clip member.

6. The battery charging apparatus according to any one of claims 1 to 5, characterized in that the battery charging apparatus comprises:

7. The battery charging apparatus according to claim 6, further comprising:

8. The battery charging apparatus of claim 6, wherein the housing comprises:

9. The battery charging device of claim 8, wherein the charging interface is a charging pin connected to the PCB and extending from a connection hole formed in a top surface of the upper housing;

10. The battery charging apparatus according to claim 1, wherein,

one end of the first connecting wire, which is far away from the battery charging device, is provided with a first plug connector which is used for being connected with the charging management module in a plug manner;

and one end of the second connecting wire, which is far away from the battery charging device, is provided with a second plug connector which is used for being in plug connection with the power supply end of the electronic transmission.