Quick replacing and locking device and method for battery pack of two-wheeled electric vehicle

Abstract

The invention relates to the technical field of electric vehicles, in particular to a two-wheeled electric vehicle battery pack rapid replacing and locking device and method.The two-wheeled electric vehicle battery pack rapid replacing and locking device comprises a standardized interface module, a locking module, an operation handle module and a safety protection module, and the locking module comprises a locking pin unit and a rotating clamp unit; when the battery pack is replaced, a user drives the locking module to unlock the battery pack by operating the handle module, removes an old battery pack from the frame, takes out the old battery pack, aligns a new battery pack to the standardized interface module on the frame, pushes the new battery pack into the standardized interface module for connection, and finally drives the locking module by operating the handle module, so that the battery pack is replaced. According to the replacing and locking device, the battery pack is locked, replacing of the battery pack is achieved, through the design of the standardized interface module and the locking module, the replacing process of the battery pack is rapid and convenient, and the locking module can ensure that the battery pack is firmly locked on a vehicle frame in the driving process and is prevented from loosening or falling off.

Description

Technical Field

[0001] The present invention relates to the technical field of electric vehicles, and in particular to a device and method for quickly replacing a battery pack of a two-wheeled electric vehicle. Background Art

[0002] Two-wheeled electric vehicles are a very important means of transportation. Existing two-wheeled electric vehicles are modified from bicycles or motorcycles. The main structure is exactly the same as that of bicycles, except that the pedal drive is changed to electric drive. At present, two-wheeled electric vehicles have brought convenience to people's travel in medium and small cities and vast rural areas.

[0003] With the rapid growth of the two-wheeled electric vehicle market, users have put forward higher requirements for the convenience of replacing battery packs and safety during driving. The battery pack replacement process of two-wheeled electric vehicles on the market is generally cumbersome, and the locking mechanism is not firm, which can easily cause the battery pack to loosen or fall off during driving, affecting driving safety. Summary of the invention

[0004] The purpose of the present invention is to provide a two-wheeled electric vehicle battery pack quick replacement locking device and method, aiming to solve the existing two-wheeled electric vehicle battery pack replacement cumbersome, the locking is not reliable problem.

[0005] To achieve the above-mentioned object, in a first aspect, the present invention provides a two-wheeled electric vehicle battery pack quick replacement locking device, comprising a standardized interface module, a locking module, an operating handle module and a safety protection module;

[0006] The standardized interface module is used to seamlessly connect the battery pack to the frame of the two-wheeled electric vehicle;

[0007] The operating handle module is used to drive the locking module to unlock or lock the battery pack;

[0008] The locking module is used to lock the battery pack to ensure the stability of the battery pack;

[0009] The safety protection module is used to ensure the safety of the battery pack of the two-wheeled electric vehicle during driving.

[0010] Wherein, the standardized interface module comprises an interface unit and a guide unit, and the interface unit is connected to the guide unit;

[0011] The interface unit is used to seamlessly connect the battery pack to the frame of the two-wheeled electric vehicle;

[0012] The guide unit is used to guide the installation of the battery pack and help the battery be positioned at the interface unit position on the frame.

[0013] Wherein, the operating handle module includes a handle unit and an anti-slip power-assisting unit, and the handle unit and the anti-slip power-assisting unit are connected;

[0014] The handle unit is used to drive the locking pin unit to unlock or lock the battery pack;

[0015] The anti-skid power-assisting unit assists the handle unit in driving the locking pin unit based on an anti-skid structure or a power-assisting structure.

[0016] Wherein, the locking module comprises a locking pin unit and a rotating clamp unit;

[0017] The locking pin unit locks the docked battery pack on the frame of the two-wheeled electric vehicle based on the elastic locking pin;

[0018] The rotating clamp unit assists the locking pin unit in locking the docked battery pack on the frame of the two-wheeled electric vehicle based on the rotating clamp piece.

[0019] Wherein, the safety protection module includes an anti-drop protection unit, an overcurrent protection unit and a heat dissipation protection unit;

[0020] The anti-falling protection unit provides additional fixed force to the battery pack based on the anti-falling structure to prevent the battery pack from falling off when the electric vehicle is running;

[0021] The overcurrent protection unit performs overcurrent protection on the battery pack based on the overcurrent protection technology to prevent the battery pack from being damaged or causing a fire due to overcurrent;

[0022] The heat dissipation protection unit dissipates heat and cools the battery pack based on heat exchange technology to prevent the battery pack from self-igniting due to excessive temperature during charging and discharging.

[0023] In a second aspect, the present invention further provides a method for quickly replacing and locking a battery pack of a two-wheeled electric vehicle, which is applied to the device for quickly replacing and locking a battery pack of a two-wheeled electric vehicle as described in the first aspect above, comprising the following steps:

[0024] Drive the locking module to unlock the battery pack by operating the handle module, and remove the old battery pack from the frame and take it out;

[0025] Then align the new battery pack with the standardized interface module on the frame, and push the new battery pack into the standardized interface module for connection;

[0026] The locking module is driven by the operating handle module again to lock the battery pack and replace the battery pack.

[0027] The specific method of driving the locking module to unlock the battery pack by operating the handle module and removing the old battery pack from the frame is as follows:

[0028] The locking pin unit is driven by the handle unit, and then the rotating clamp unit is rotated to remove the clamping of the old battery pack;

[0029] The old battery pack is removed from the electric vehicle frame, and the old battery pack is taken out.

[0030] The present invention discloses a fast replacement locking device for a battery pack of a two-wheeled electric vehicle. When replacing a battery pack, a user drives the locking module to unlock the battery pack through the operating handle module, removes the old battery pack from the frame and takes it out, then aligns the new battery pack with the standardized interface module on the frame, and pushes the new battery pack into the standardized interface module for connection. Finally, the locking module is driven by the operating handle module to lock the battery pack to achieve replacement of the battery pack. The replacement locking device is designed with the standardized interface module and the locking module to make the battery pack replacement process fast and convenient without the need for professional tools or skills. The locking module can ensure that the battery pack is firmly locked on the frame during driving to avoid loosening or falling off. The safety protection module integrates a safety protection mechanism to ensure the safety of the battery pack during replacement and driving. The structure is simple, easy to manufacture and maintain, and the production cost and use cost are reduced, solving the problems of cumbersome replacement of battery packs and unreliable locking of existing two-wheeled electric vehicles. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0032] Figure 1 It is a connection schematic diagram of a two-wheeled electric vehicle battery pack quick replacement locking device provided by the present invention.

[0033] Figure 2 The present invention provides a flow chart of a method for quickly replacing and locking a battery pack of a two-wheeled electric vehicle.

[0034] Figure 3 It is a specific flowchart of how to unlock the battery pack by operating the handle module to drive the locking module, and remove the old battery pack from the frame.

[0035] Figure 4 The flowchart is a specific method of aligning the new battery pack with the standardized interface module on the frame and pushing the new battery pack into the standardized interface module for connection.

[0036] In the figure: 1-standardized interface module, 2-locking module, 3-operating handle module, 4-safety protection module, 5-interface unit, 6-guide unit, 7-handle unit, 8-anti-slip power assist unit, 9-locking pin unit, 10-rotating clamp unit, 11-anti-slip protection unit, 12-overcurrent protection unit, 13-heat dissipation protection unit. DETAILED DESCRIPTION

[0037] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0038] See also Figure 1 In a first aspect, the present invention provides a two-wheeled electric vehicle battery pack quick replacement locking device, comprising a standardized interface module 1, a locking module 2, an operating handle module 3 and a safety protection module 4;

[0039] The standardized interface module 1 is used to seamlessly connect the battery pack to the frame of the two-wheeled electric vehicle;

[0040] The operating handle module 3 is used to drive the locking module 2 to unlock or lock the battery pack;

[0041] The locking module 2 is used to lock the battery pack to ensure the stability of the battery pack;

[0042] The safety protection module 4 is used to ensure the safety of the battery pack of the two-wheeled electric vehicle during driving.

[0043] In an embodiment of the present invention, when replacing a battery pack, the user drives the locking module 2 through the operating handle module 3 to unlock the battery pack, removes the old battery pack from the frame and takes it out, then aligns the new battery pack with the standardized interface module 1 on the frame, and pushes the new battery pack into the standardized interface module 1 for connection, and finally drives the locking module 2 through the operating handle module 3 to lock the battery pack to achieve replacement of the battery pack. The replacement locking device is designed through the standardized interface module 1 and the locking module 2 to make the battery pack replacement process fast and convenient without the need for professional tools or skills. The locking module 2 can ensure that the battery pack is firmly locked on the frame during driving to prevent loosening or falling off. The safety protection module 4 integrates a safety protection mechanism to ensure the safety of the battery pack during replacement and driving, and has a simple structure, is easy to manufacture and maintain, reduces production costs and use costs, and solves the problems of cumbersome battery pack replacement and unreliable locking in existing two-wheeled electric vehicles.

[0044] Further, the standardized interface module 1 includes an interface unit 5 and a guide unit 6, and the interface unit 5 and the guide unit 6 are connected;

[0045] The interface unit 5 is used to seamlessly connect the battery pack to the frame of the two-wheeled electric vehicle;

[0046] The guide unit 6 is used to guide the installation of the battery pack and help the battery be positioned at the interface unit 5 on the frame.

[0047] In an embodiment of the present invention, the interface unit 5 seamlessly connects the battery pack to the frame of the two-wheeled electric vehicle, and the guide unit 6 is used to guide the installation of the battery pack, helping the battery pack to quickly and accurately position the interface position on the frame, such as a flange, groove or guide pin.

[0048] Furthermore, the operating handle module 3 includes a handle unit 7 and an anti-skid power unit 8, and the handle unit 7 and the anti-skid power unit 8 are connected;

[0049] The handle unit 7 is used to drive the locking pin unit 9 to unlock or lock the battery pack;

[0050] The anti-skid assisting unit 8 assists the handle unit 7 in driving the locking pin unit 9 based on an anti-skid structure or an assisting structure.

[0051] In an embodiment of the present invention, the handle unit 7 is used to drive the locking pin unit 9 to unlock or lock the battery pack, providing a convenient operation method for the user, so that the user can easily unlock and lock the battery pack. The handle unit 7 is connected to the locking module 2, usually through a transmission mechanism such as a connecting rod, gears or levers. The anti-skid power-assisting unit 8 assists the handle unit 7 in driving the locking pin unit 9 based on an anti-skid structure or a power-assisting structure. The anti-skid power-assisting unit 8 includes a rubber grip, an anti-skid texture or a power-assisting spring, etc. These structures can increase the stability of the user's grip and the convenience of applying force.

[0052] Further, the locking module 2 includes a locking pin unit 9 and a rotating clamp unit 10;

[0053] The locking pin unit 9 locks the docked battery pack on the frame of the two-wheeled electric vehicle based on the elastic locking pin;

[0054] The rotating clamp unit 10 assists the locking pin unit 9 in locking the docked battery pack on the frame of the two-wheeled electric vehicle based on the rotating clamp piece.

[0055] In an embodiment of the present invention, the locking pin unit 9 locks the docked battery pack on the frame of the two-wheeled electric vehicle based on an elastic locking pin. The locking pin unit 9 is composed of a locking groove, a locking pin, a spring and other components. The locking groove is designed on the interface of the frame, and the locking pin is fixed on one side of the battery pack. When the battery pack is installed in place, the locking pin will automatically slide into the locking groove along the guide structure. The locking pin is designed with an inclined surface or a conical surface to facilitate automatic insertion into the locking groove during the installation of the battery pack. Once the locking pin is fully inserted into the locking groove, the elastic force of the spring will press the locking pin tightly into the locking groove to achieve a secure locking of the battery pack. The rotating clamp unit 10 assists the locking pin unit 9 in locking the docked battery pack on the frame of the two-wheeled electric vehicle based on a rotating clip.

[0056] Furthermore, the safety protection module 4 includes an anti-drop protection unit 11, an overcurrent protection unit 12 and a heat dissipation protection unit 13;

[0057] The anti-falling protection unit 11 provides additional fixed force to the battery pack based on the anti-falling structure to prevent the battery pack from falling off when the electric vehicle is running;

[0058] The overcurrent protection unit 12 performs overcurrent protection on the battery pack based on the overcurrent protection technology to prevent the battery pack from being damaged or causing a fire due to overcurrent;

[0059] The heat dissipation protection unit 13 dissipates heat and cools the battery pack based on heat exchange technology to prevent the battery pack from self-igniting due to excessive temperature during charging and discharging.

[0060] In an embodiment of the present invention, the anti-drop protection unit 11 provides additional fixing force to the battery pack based on the anti-drop structure to prevent the battery pack from dropping when the electric vehicle is running. The anti-drop protection unit 11 includes a barb, a buckle or a limit block, etc. The overcurrent protection unit 12 performs overcurrent protection on the battery pack based on the overcurrent protection technology. The overcurrent protection unit 12 is such as a fuse, a circuit breaker or an electronic protection chip, etc. These protectors can automatically cut off the circuit when the current exceeds the set value to prevent the battery pack from being damaged or causing safety accidents such as fire due to overcurrent. The heat dissipation protection unit 13 performs heat dissipation and cooling on the battery pack based on heat exchange technology to prevent the battery pack from spontaneous combustion due to excessive temperature during charging and discharging.

[0061] See also Figures 2 to 4 In a second aspect, the present invention further provides a method for quickly replacing and locking a battery pack of a two-wheeled electric vehicle, which is applied to the device for quickly replacing and locking a battery pack of a two-wheeled electric vehicle as described in the first aspect above, comprising the following steps:

[0062] S1 drives the locking module 2 to unlock the battery pack by operating the handle module 3, and removes the old battery pack from the frame and takes it out;

[0063] Specific method:

[0064] S11 drives the locking pin unit 9 through the handle unit 7, and then rotates the rotating clamp unit 10 to remove the clamping of the old battery pack;

[0065] S12 removes the old battery pack from the electric vehicle frame and takes out the old battery pack.

[0066] S2 then aligns the new battery pack with the standardized interface module 1 on the vehicle frame, and pushes the new battery pack into the standardized interface module 1 for connection;

[0067] Specific method:

[0068] S21: selecting a new battery pack and testing the new battery pack;

[0069] In the embodiment of the present invention, the new battery pack is inspected to see whether it is damaged or deformed.

[0070] S22 aligning the new battery pack with the interface unit 5 on the vehicle frame;

[0071] S23 guides the new battery pack to be pushed toward the interface unit 5 through the guide unit 6 to connect the new battery pack to the workshop.

[0072] In the embodiment of the present invention, the guide unit 6 is used to guide the installation of the battery pack, helping the battery pack to be quickly and accurately positioned at an interface position on the frame, such as a flange, a groove or a guide pin.

[0073] S3 drives the locking module 2 again through the operating handle module 3 to lock the battery pack, thereby achieving replacement of the battery pack.

[0074] In an embodiment of the present invention, when the battery pack is installed in place, the locking pin will automatically slide into the locking groove along the guide structure. The locking pin is designed with a bevel or a cone to facilitate automatic insertion into the locking groove during the installation of the battery pack. Once the locking pin is fully inserted into the locking groove, the elastic force of the spring will press the locking pin tightly into the locking groove, thereby firmly locking the battery pack. The rotating clamp unit 10 is rotated in the reverse direction to clamp the docked battery pack, thereby assisting the locking pin unit 9 to lock the docked battery pack on the frame of the two-wheeled electric vehicle.

[0075] The above disclosure is only a preferred embodiment of a two-wheeled electric vehicle battery pack quick replacement locking device and method of the present invention. Of course, this cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiments and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. A two-wheeled electric vehicle battery pack quick replacement locking device, characterized in that ； It includes standardized interface module, locking module, operating handle module and safety protection module; The standardized interface module is used to seamlessly connect the battery pack to the frame of the two-wheeled electric vehicle; The operating handle module is used to drive the locking module to unlock or lock the battery pack; The locking module is used to lock the battery pack to ensure the stability of the battery pack; The safety protection module is used to ensure the safety of the battery pack of the two-wheeled electric vehicle during driving.

2. The two-wheeled electric vehicle battery pack quick replacement locking device as claimed in claim 1, characterized in that ； The standardized interface module comprises an interface unit and a guide unit, wherein the interface unit is connected to the guide unit; The interface unit is used to seamlessly connect the battery pack to the frame of the two-wheeled electric vehicle; The guide unit is used to guide the installation of the battery pack and help the battery be positioned at the interface unit position on the frame.

3. The two-wheeled electric vehicle battery pack quick replacement locking device as claimed in claim 1, characterized in that; The operating handle module includes a handle unit and an anti-skid power-assisting unit, and the handle unit and the anti-skid power-assisting unit are connected; The handle unit is used to drive the locking pin unit to unlock or lock the battery pack; The anti-skid power-assisting unit assists the handle unit in driving the locking pin unit based on an anti-skid structure or a power-assisting structure.

4. The two-wheeled electric vehicle battery pack quick replacement locking device as claimed in claim 1, It is characterized by: The locking module includes a locking pin unit and a rotating clamp unit; The locking pin unit locks the docked battery pack on the frame of the two-wheeled electric vehicle based on the elastic locking pin; The rotating clamp unit assists the locking pin unit in locking the docked battery pack on the frame of the two-wheeled electric vehicle based on the rotating clamp piece.

5. The two-wheeled electric vehicle battery pack quick replacement locking device as claimed in claim 1, characterized in that ； The safety protection module includes an anti-drop protection unit, an overcurrent protection unit and a heat dissipation protection unit; The anti-falling protection unit provides additional fixed force to the battery pack based on the anti-falling structure to prevent the battery pack from falling off when the electric vehicle is running; The overcurrent protection unit performs overcurrent protection on the battery pack based on the overcurrent protection technology to prevent the battery pack from being damaged or causing a fire due to overcurrent; The heat dissipation protection unit dissipates heat and cools the battery pack based on heat exchange technology to prevent the battery pack from self-igniting due to excessive temperature during charging and discharging.

6. A method for quickly replacing and locking a battery pack of a two-wheeled electric vehicle, applied to a quickly replacing and locking device for a battery pack of a two-wheeled electric vehicle as claimed in any one of claims 1 to 5, characterized in that: The following steps are involved: Drive the locking module to unlock the battery pack by operating the handle module, and remove the old battery pack from the frame and take it out; Then align the new battery pack with the standardized interface module on the frame, and push the new battery pack into the standardized interface module for connection; The locking module is driven by the operating handle module again to lock the battery pack and replace the battery pack.

7. The method for quickly replacing and locking a battery pack of a two-wheeled electric vehicle as claimed in claim 6, characterized in that ； The specific method of driving the locking module to unlock the battery pack by operating the handle module and removing the old battery pack from the frame is as follows: The locking pin unit is driven by the handle unit, and then the rotating clamp unit is rotated to remove the clamping of the old battery pack; The old battery pack is removed from the electric vehicle frame, and the old battery pack is taken out.

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