CN210235162U

CN210235162U - Take electric bicycle saddle and electric bicycle of lithium cell

Info

Publication number: CN210235162U
Application number: CN201920716298.4U
Authority: CN
Inventors: Jian Zhang; 张建
Original assignee: Guangzhou Kesbo Bicycle Co Ltd
Current assignee: Guangzhou Kesbo Bicycle Co Ltd
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-04-03
Anticipated expiration: 2029-05-17

Abstract

The utility model discloses an electric bicycle saddle with a lithium battery, wherein an upper cover and a lower cover are closed to form the saddle, and an inner shell, a lithium battery module, a protective shell, a protective circuit board and a power supply controller are all arranged in the saddle; the inner shell surrounds the support to protect the plurality of lithium battery cores, the protective shell surrounds the protective circuit board and the power supply controller to protect the lithium battery cores, the protective circuit board is electrically connected with the lithium battery module to take power and carry out charging and discharging protection on the lithium battery module, and the power supply controller is electrically connected with the lithium battery module to control the output of electric energy; the saddle is formed by front and back sections, the front section can be main seat, the back section can be auxiliary seat. The lithium ion battery and related components are arranged in the vehicle seat, so that the space is greatly saved, the whole vehicle body is attractive and small in appearance, and the lithium ion battery is protected by the vehicle seat; the whole saddle is designed in a segmented mode, different parts are installed in different segments, and space layout and later maintenance are facilitated.

Description

Take electric bicycle saddle and electric bicycle of lithium cell

Technical Field

The utility model relates to a bicycle saddle, concretely relates to take electric bicycle saddle of lithium cell.

Background

The electric bicycle has the advantages of flexibility, convenience, energy conservation, no noise, no pollution, economy, durability and the like in use, is suitable for a trip at a longer distance, and is more convenient, more economical and more comfortable compared with other existing vehicles. The electric bicycle is widely used, has profound significance in reducing environmental pollution and protecting environment, and can meet the shopping requirements of common people in economy and the travel requirements of most of people in China. At present, electric bicycles mainly adopt a storage battery as power, and the storage battery commonly used for the electric bicycle mainly comprises a lead-acid battery and a lithium ion battery, and is generally arranged on a vertical pipe or a lower pipe of the bicycle.

The lead-acid storage battery has been in history for more than 100 years, has the advantages of proper performance, low price, mature technology and manufacturing technology, safety, reliability, rich material sources, mature and effective anti-pollution treatment technology, mature resource recovery technology and high efficiency, but has heavy weight, large volume and short service life. Compared with the prior art, the lithium battery has the advantages of light weight, small volume, high voltage, high specific energy, high endurance, long cycle life, no memory effect, low self-discharge rate, wide working temperature range, cleanness, no pollution and the like. Under the condition that the capacities are equal, the weight of the lithium battery is 1/3-1/2 of that of the lead-acid battery, so that the self weight of the vehicle can be reduced, and the vehicle becomes small; in addition, the capacity of the lead-acid battery is attenuated to about 60% of the designed capacity after charging and discharging for 200-300 times, 1500-2000 times is needed when the lithium battery is attenuated to 60%, the service life is much longer, the internal resistance of the lithium battery is extremely low, the lithium battery is suitable for large-current discharging, the lithium battery is environment-friendly and nontoxic, and the lead-acid battery has great market potential in the field of electric bicycles. However, the lithium battery of the bicycle using the lithium battery is mainly mounted on a vertical pipe or a lower pipe of the bicycle at present, so that the whole space is narrow and the bicycle body is heavy.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the shortcoming of above-mentioned prior art, provide an electric bicycle saddle that can save space, with lithium cell integrated design to and the electric bicycle of installation this saddle.

The utility model discloses a realize through following technical scheme:

an electric bicycle saddle with a lithium battery comprises an upper cover, a lower cover, an inner shell, a lithium battery module, a charging socket, a protective shell, a protective circuit board and a power supply controller; the upper cover and the lower cover are closed to form a saddle of the electric bicycle in a surrounding mode, and the inner shell, the lithium battery module, the protective shell, the protective circuit board and the power supply controller are all installed in the saddle; the lithium battery module comprises a lithium battery cell array formed by a plurality of lithium battery cells through a plurality of nickel sheets in an electrically connected mode, the lithium battery cells are arranged and fixed through a support, the inner shell is installed in the lower cover, and the inner shell surrounds the support to protect the lithium battery cells in the inner shell; the charging socket is embedded into the vehicle seat and is electrically connected with the lithium battery module to charge the lithium battery module; the protective shell is also arranged in the lower cover and encloses the protective circuit board and the power supply controller to protect the protective circuit board and the power supply controller; the protection circuit board is electrically connected with the lithium battery module to take electricity and carry out charge-discharge protection on the lithium battery module, and the power controller is electrically connected with the lithium battery module to control the output of electric energy. Trompil on the saddle, wiring on the lithium cell module passes components and parts such as driving motor, lamp, the brake of hole connection bicycle, and the position in hole can be designed nearby. The shape structure parts of the inner shell and the protective shell can be subjected to buffer design, or buffer materials are arranged inside and outside the inner shell, so that the protection of the lithium battery module, the protective circuit board and the power supply controller is further improved.

According to a further preferable technical scheme, the plurality of lithium batteries are arranged into a cuboid through a support, and the lithium batteries are cylindrical lithium ion batteries. The rectangular structure is better arranged in the saddle, and certain gaps can be formed among the support arrangement so as to be beneficial to heat dissipation.

Still further preferred technical scheme is, still be provided with the lithium cell heating panel under the lithium cell module, still be provided with the controller heating panel under the power controller.

A further preferable technical scheme is that a protective cover is arranged on the charging socket, so that the functions of preventing water and mechanical damage can be achieved.

According to a further preferable technical scheme, the inner shell and the protective shell are made of rigid metal materials to protect the built-in objects, can be made of stainless steel, aluminum alloy, titanium alloy and the like, and are favorable for heat transfer and heat dissipation.

Still more preferred technical scheme is, upper cover, lower cover are rigid material, and upper cover, the inside of lower cover still is equipped with the strengthening rib to bear pressure.

According to a further preferable technical scheme, a soft buffer cushion is arranged outside the upper cover, so that on one hand, the comfort of a rider can be improved, and on the other hand, components in the saddle are protected.

The utility model provides an electric bicycle installs the above take electric bicycle saddle of lithium cell, lithium cell in the electric bicycle saddle passes through power supply controller supplies power for each components and parts in the electric bicycle, such as driving motor, car light, brake parts etc..

A further preferable technical scheme is that the upper cover and the lower cover respectively comprise a front section and a rear section, the front section and the rear section are integrally formed, the front section and the rear section of the upper cover and the lower cover are mutually buckled to form a front section of a seat and a rear section of the seat, the front section is horizontally arranged, and the rear section and the front section are tilted upwards at a certain angle; inner shell, lithium cell module, charging socket install in the back end, protective housing, protection circuit board, electrical source controller are installed in the anterior segment. The bottom of the front section and the bottom of the rear section of the lower cover can be designed into hollow structures, so that the inner parts can be disassembled, fixed and radiated.

Still more preferably, the front section of the saddle is a main seat, and the rear section of the saddle is an auxiliary seat. That is, the whole electric bicycle has only one seat, and the main seat and the auxiliary seat of the common electric bicycle are combined into a whole, so that the bicycle body is more compact, and the arrangement of each element of the battery is convenient.

The beneficial effects of the utility model reside in that: the lithium ion battery and related components are arranged in the saddle, so that the space is greatly saved, the space of the frame is not too narrow, the appearance of the whole vehicle body is attractive and small, and on the other hand, the lithium ion battery can be protected by the saddle, and the lithium ion battery is prevented from being corroded by rainwater when being exposed outside; the whole saddle is designed in a segmented mode, different parts are installed in different segments, and space layout and later maintenance are facilitated.

Drawings

Fig. 1 is an external structural view of an electric bicycle saddle with a lithium battery according to the present invention.

Fig. 2 is an internal structure view of the electric bicycle saddle with the lithium battery of the present invention.

Fig. 3 is an exploded view of the inner structure of the electric bicycle saddle with the lithium battery according to the present invention.

Reference numerals: 1-covering the upper cover; 2-lower cover; 3-inner shell; 4-a scaffold; 5-protective shell; 6-a power supply controller; 7-front section of saddle; 8-rear section of saddle; 9-controller harness; 10-circuit board heat sink; 11-lithium battery heat sink.

Detailed Description

As shown in fig. 1 to 3, an electric bicycle saddle with a lithium battery comprises an upper cover 1, a lower cover 2, an inner shell 3, a lithium battery module, a charging socket, a protective shell 5, a protective circuit board, a power controller 6, a lithium battery heat dissipation plate 11 and a controller heat dissipation plate 10; the upper cover 1 and the lower cover 2 both comprise an anterior section and a rear section which are integrally formed, the anterior section and the rear section of the upper cover 1 and the lower cover 2 are mutually buckled to form a saddle anterior section 7 and a saddle rear section 8, and the upper cover 1 and the lower cover 2 are covered to enclose an electric bicycle saddle. The saddle is arranged on a frame of the electric bicycle, the front section is horizontally arranged, and the rear section and the front section are tilted upwards at a certain angle; inner shell 3, lithium cell module, lithium cell heating panel 11, charging socket install in the back end, protective housing 5, protection circuit board, electrical source controller 6, controller heating panel 10 are installed in the anterior segment. The controller heat dissipation plate 10 is connected with the power controller 6 and then installed inside the front section of the lower cover 2, and the front section of the lower cover 2 is of a hollow structure to further dissipate heat. Lithium cell heating panel 11 is connected the back with the lithium cell module and installs in the inside of lower cover 2 back end, and the back end of lower cover 2 is hollow out construction in order further to dispel the heat. The front section of the saddle is a main seat of the electric bicycle, and the rear section of the saddle is an auxiliary seat of the electric bicycle.

The lithium battery module comprises a lithium battery cell array (not shown in the figure) formed by electrically connecting a plurality of lithium battery cells (not shown in the figure) through a plurality of nickel sheets, the plurality of lithium battery cells are arranged and fixed through a support 4, the inner shell 3 is installed in the lower cover 2, and the inner shell 3 surrounds the support 4 to protect the plurality of lithium battery cells; the charging socket is embedded into the vehicle seat and is electrically connected with the lithium battery module to charge the lithium battery module; the protective shell 5 is also arranged in the lower cover 2, and the protective shell 5 encloses the protective circuit board and the power controller 6 to protect the protective circuit board and the power controller; the protection circuit board is electrically connected with the lithium battery module to take electricity and carry out charge-discharge protection on the lithium battery module, and the power controller 6 is electrically connected with the lithium battery module to control the output of electric energy. The plurality of lithium cells are arranged into a cuboid through a support 4. The lithium battery cell is a cylindrical lithium ion battery cell.

Establish the visor on the charging socket, waterproof prevent mechanical damage.

The inner shell 3 and the protective shell 5 are made of rigid metal materials to protect the built-in objects.

The upper cover 1 and the lower cover 2 are made of rigid materials, and reinforcing ribs are arranged inside the upper cover 1 and the lower cover 2 to bear pressure.

The outer part of the upper cover 1 is also provided with a soft buffer cushion which is made of sponge and wrapped with leather.

The electric bicycle is provided with the electric bicycle saddle with the lithium battery, the installation angle of the saddle is shown in figure 1, the lithium battery in the saddle supplies power to all components in the electric bicycle through the power controller 6, a controller wire harness 9 is led out of the power controller, and the controller wire harness 9 penetrates out of the saddle and is connected with all the components.

The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention should be included within the scope of the present invention.

Claims

1. An electric bicycle saddle with a lithium battery is characterized by comprising an upper cover, a lower cover, an inner shell, a lithium battery module, a charging socket, a protective shell, a protective circuit board and a power supply controller; the upper cover and the lower cover are closed to form a saddle of the electric bicycle in a surrounding mode, and the inner shell, the lithium battery module, the protective shell, the protective circuit board and the power supply controller are all installed in the saddle; the lithium battery module comprises a lithium battery cell array formed by a plurality of lithium battery cells through a plurality of nickel sheets in an electrically connected mode, the lithium battery cells are arranged and fixed through a support, the inner shell is installed in the lower cover, and the inner shell surrounds the support to protect the lithium battery cells in the inner shell; the charging socket is embedded into the vehicle seat and is electrically connected with the lithium battery module to charge the lithium battery module; the protective shell is also arranged in the lower cover and encloses the protective circuit board and the power supply controller to protect the protective circuit board and the power supply controller; the protection circuit board is electrically connected with the lithium battery module to take electricity and carry out charge-discharge protection on the lithium battery module, and the power controller is electrically connected with the lithium battery module to control the output of electric energy.

2. The electric bicycle saddle with the lithium battery as claimed in claim 1, wherein the plurality of lithium cells are arranged in a rectangular body through a bracket, and the lithium cells are cylindrical lithium ion cells.

3. The electric bicycle saddle with the lithium battery as claimed in claim 1, wherein a lithium battery heat dissipation plate is further arranged below the lithium battery module, and a controller heat dissipation plate is further arranged below the power controller.

4. The electric bicycle saddle with lithium battery as claimed in claim 1, wherein the charging socket is provided with a protective cover for preventing water and mechanical damage.

5. The electric bicycle saddle with lithium battery as claimed in claim 1, wherein the inner shell and the protective shell are made of rigid metal material to protect the contents therein.

6. The electric bicycle saddle with the lithium battery as claimed in claim 1, wherein the upper cover and the lower cover are made of rigid material, and reinforcing ribs are further arranged inside the upper cover and the lower cover to bear pressure.

7. The electric bicycle saddle with the lithium battery as claimed in claim 1, wherein a soft buffer cushion is further arranged outside the upper cover.

8. An electric bicycle, characterized in that an electric bicycle saddle with a lithium battery as claimed in any one of claims 1 to 7 is installed, and the lithium battery in the electric bicycle saddle supplies power to each component in the electric bicycle through the power supply controller.

9. The electric bicycle of claim 8, wherein the upper cover and the lower cover each comprise a front section and a rear section, the front section and the rear section are integrally formed, the front section and the rear section of the upper cover and the lower cover are mutually buckled to form a front seat section and a rear seat section, the front section is horizontally arranged, and the rear section and the front section are tilted upwards at a certain angle; inner shell, lithium cell module, charging socket install in the back end, protective housing, protection circuit board, electrical source controller are installed in the anterior segment.

10. The electric bicycle of claim 9, wherein the front section of the saddle is a primary seat and the rear section of the saddle is a secondary seat.