CN215553836U - Power-assisted bicycle - Google Patents
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- CN215553836U CN215553836U CN202121797069.3U CN202121797069U CN215553836U CN 215553836 U CN215553836 U CN 215553836U CN 202121797069 U CN202121797069 U CN 202121797069U CN 215553836 U CN215553836 U CN 215553836U
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- 238000000034 method Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 239000003990 capacitor Substances 0.000 claims description 74
- 238000004146 energy storage Methods 0.000 claims description 42
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model provides a power-assisted bicycle, comprising: the system comprises a driving device, an OLED touch screen, a controller, a storage battery and a Boost conversion module; the driving device comprises a motor, and is arranged on the rear frame of the bicycle and is in transmission connection with the rear hub of the bicycle; the OLED touch screen is arranged at the position of a bicycle handle and is opposite to the bicycle bell; the controller is arranged on the outer surface of the driving device and is electrically connected with the driving device, the motor is controlled to rotate to drive the bicycle to run, and the OLED touch screen is electrically connected with the controller; the storage battery is arranged on the bracket below the seat and is electrically connected with the controller and the motor, and the controller controls the storage battery to charge and discharge; the Boost conversion module is arranged on the main circuit board of the controller, is electrically connected with the controller and is used for amplifying voltage in the charging process when the storage battery is charged. According to the utility model, the Boost conversion module is connected in the controller, so that the boosting benefit is effectively improved, and the charging time is shortened.
Description
Technical Field
The utility model belongs to the technical field of bicycles, and particularly relates to a power-assisted bicycle.
Background
A bicycle, also called a bicycle or a bicycle, is a portable tool for riding instead of walk. At present, most bicycles are provided with batteries, motors, control modules and the like to drive the bicycles by electric power assistance, so that the power assistance effect is realized. The charging and discharging functions of the motor are usually realized by arranging a rectifier bridge circuit, so that the effect of uphill power assistance is achieved. However, in the current power-assisted bicycle, for example: the patent publication numbers are: CN111017103A, patent name: the power-assisted bicycle adopts a double-motor mode to realize potential energy advantage; the patent publication numbers are: CN 109278925a, patent name: an electric bicycle capable of generating electricity converts a permanent magnet direct current motor into an electric generator through a rectifier bridge circuit, and realizes that mechanical energy is converted into electric energy to be stored on a battery in the motion process of the bicycle. Above-mentioned prior art all is with energy repayment to battery for battery charging, and at this in-process, because mechanical energy converts the electric energy into the consuming time overlength of electric energy, actually to the voltage of battery electric core and not reach electric core and realize full electric voltage, consequently an urgent need a booster unit promotes battery electric core voltage and shortens charge time.
SUMMERY OF THE UTILITY MODEL
The utility model provides a power-assisted bicycle, which solves the problem that the battery charging time of the power-assisted bicycle in the prior art is too long when mechanical energy is converted into electric energy.
The technical scheme of the utility model is as follows: a power assisted bicycle comprising: the driving device comprises a motor, a driving device and a control device, wherein the motor is arranged on the rear frame of the bicycle and is in transmission connection with the rear hub of the bicycle;
the OLED touch screen is arranged at the bicycle handle and is opposite to the bicycle bell;
the controller is arranged on the outer surface of the driving device and is electrically connected with the driving device, the motor is controlled to rotate to drive the bicycle to run, and the OLED touch screen is electrically connected with the controller;
the storage battery is arranged on the bracket below the seat and is electrically connected with the controller and the motor, and the controller controls the storage battery to charge and discharge;
and the Boost conversion module is arranged on the main circuit board of the controller, is electrically connected with the controller and is used for amplifying the voltage in the charging process when the storage battery 4 is charged.
Optionally, the controller model is: STM32F103R8T 6.
Optionally, the Boost conversion module includes: a first input power supply V1, a second input power supply V2, a first input filter capacitor C1, a second input filter capacitor C2, a first boost inductor L1, a second boost inductor L2, a first power switch tube Q1, a second power switch tube Q2, a first unidirectional rectifier diode D1, a second unidirectional rectifier diode D2, a first intermediate energy storage capacitor C3, and a second intermediate energy storage capacitor C4, wherein the second intermediate energy storage capacitor C4 is used as an output filter capacitor to be connected with a load, the anode of the first input power supply V1 is respectively connected with one end of the first boost inductor L1 and the anode of the first input filter capacitor C1, the other end of the first boost inductor L1 is respectively connected with the drain of the first power switch tube Q1 and the anode of the first unidirectional rectifier diode D1, the cathode of the first unidirectional rectifier diode D1 is respectively connected with the anode of the first intermediate energy storage capacitor C3 and the anode of the second unidirectional rectifier diode D2, the cathode of a first input power supply V1 is connected with the cathode of a first input filter capacitor C1, the cathode of a first intermediate energy storage capacitor C3 and the source of a first power switch tube Q1 respectively, the anode of a second input power supply V2 is connected with one end of a second boosting inductor L2 and the anode of a second input filter capacitor C2 respectively, the other end of the second boosting inductor L2 is connected with the cathode of the first input power supply V1 and the drain of a second power switch tube Q2 respectively, the cathode of the second input power supply V2 is connected with the cathode of a second input filter capacitor C2, the cathode of the second intermediate energy storage capacitor C4 and the source of the second power switch tube Q2 respectively, the anode of the second intermediate energy storage capacitor C4 is connected with the cathode of a second unidirectional rectifier diode D2 and a resistor R respectively, and the other end of the resistor R is connected with the cathode of the second intermediate energy storage capacitor C4.
Optionally, the frequency of the switching tube Q2 is 200kHz to 400 kH.
Optionally, the storage battery is charged in an external charging mode or a low-power charging mode, and when the external power grid is connected to charge in the low-power charging mode, the controller can give an alarm through display or sound of the OLED touch screen and switch to the low-power charging mode.
Optionally, the inside helping hand sensor that is provided with of controller, helping hand sensor detect the pedal moment of riding or pedal speed turn into the signal, give the controller to signal transmission, the controller passes through the size of control signal adjustment distribution to the drive current of motor to adopt manpower and electric power to drive the bicycle jointly and travel.
The utility model has the beneficial effects that: the utility model provides a power-assisted bicycle, which is characterized in that a Boost conversion module is connected to a controller main control circuit to achieve the effect of increasing voltage when a storage battery is charged, so that the charging time is shortened. In the implementation process of the utility model, the Boost conversion module comprises: a first input power supply V1, a second input power supply V2, a first input filter capacitor C1, a second input filter capacitor C2, a first boost inductor L1, a second boost inductor L2, a first power switch tube Q1, a second power switch tube Q2, a first unidirectional rectifier diode D1, a second unidirectional rectifier diode D2, a first intermediate energy storage capacitor C3, and a second intermediate energy storage capacitor C4, wherein the second intermediate energy storage capacitor C4 is used as an output filter capacitor to be connected with a load, the anode of the first input power supply V1 is respectively connected with one end of the first boost inductor L1 and the anode of the first input filter capacitor C1, the other end of the first boost inductor L1 is respectively connected with the drain of the first power switch tube Q1 and the anode of the first unidirectional rectifier diode D1, the cathode of the first unidirectional rectifier diode D1 is respectively connected with the anode of the first intermediate energy storage capacitor C3 and the anode of the second unidirectional rectifier diode D2, the cathode of a first input power supply V1 is connected with the cathode of a first input filter capacitor C1, the cathode of a first intermediate energy storage capacitor C3 and the source of a first power switch tube Q1 respectively, the anode of a second input power supply V2 is connected with one end of a second boosting inductor L2 and the anode of a second input filter capacitor C2 respectively, the other end of the second boosting inductor L2 is connected with the cathode of the first input power supply V1 and the drain of a second power switch tube Q2 respectively, the cathode of the second input power supply V2 is connected with the cathode of a second input filter capacitor C2, the cathode of the second intermediate energy storage capacitor C4 and the source of the second power switch tube Q2 respectively, the anode of the second intermediate energy storage capacitor C4 is connected with the cathode of a second unidirectional rectifier diode D2 and a resistor R respectively, and the other end of the resistor R is connected with the cathode of the second intermediate energy storage capacitor C4.
When the second power switch tube Q2 is turned off, the second input power supply V2, the induced voltage of the second boost inductor L2 and the first intermediate energy storage capacitor C3 charge the second intermediate energy storage capacitor C4 together to further boost the voltage, wherein the first intermediate energy storage capacitor C3 and the second intermediate energy storage capacitor C4 are storage battery charging capacitors. The utility model has simple circuit structure and obvious boosting effect and shortens the charging time of the storage battery.
Drawings
FIG. 1 is a schematic view of an overall structure of a power assisted bicycle according to the present invention;
fig. 2 is a circuit diagram of the Boost conversion module.
The OLED touch screen driving circuit comprises a driving device 1, an OLED touch screen 2, a controller 3, a storage battery 4, a first input power supply V1, a second input power supply V2, a first input filter capacitor C1, a second input filter capacitor C2., a first boosting inductor L1, a second boosting inductor L2, a first power switch tube Q1., a second power switch tube Q2, a first middle energy storage capacitor C3., a second middle energy storage capacitor C4, a first one-way rectifier diode D1 and a second one-way rectifier diode D2..
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
In the description of the present invention, it is to be understood that the terms "lateral", "longitudinal", "vertical", "clearance", "inner wall", "upper", "outer end", "outer", "lower", "surface", "vertical", "horizontal", "top", "axial", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing technical solutions of the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, an embodiment of the present invention provides a power-assisted bicycle, including: the device comprises a driving device 1, an OLED touch screen 2, a controller 3 and a storage battery 4; the driving device 1 comprises a motor, and the driving device 1 is arranged on the rear frame of the bicycle and is in transmission connection with the rear hub of the bicycle; the OLED touch screen 2 is arranged at a bicycle handle and is opposite to the bicycle bell; the controller 3 is arranged on the outer surface of the driving device 1 and is electrically connected with the driving device 1 to control the motor to rotate to drive the bicycle to run, and the OLED touch screen 2 is electrically connected with the controller 3; the storage battery 4 is arranged on the bracket below the seat and is electrically connected with the controller 3 and the motor, and the controller 3 controls the storage battery 4 to charge and discharge; the Boost conversion module is arranged on a main circuit board of the controller 3, is electrically connected with the controller 3 and is used for amplifying voltage in the charging process when the storage battery 4 is charged; wherein, the 3 models of controller are: STM32F103R8T 6.
Further, referring to fig. 2, the Boost conversion module includes: a first input power supply V1, a second input power supply V2, a first input filter capacitor C1, a second input filter capacitor C2, a first boost inductor L1, a second boost inductor L2, a first power switch tube Q1, a second power switch tube Q2, a first unidirectional rectifier diode D1, a second unidirectional rectifier diode D2, a first intermediate energy storage capacitor C3, and a second intermediate energy storage capacitor C4, wherein the second intermediate energy storage capacitor C4 is used as an output filter capacitor to be connected with a load, the anode of the first input power supply V1 is respectively connected with one end of the first boost inductor L1 and the anode of the first input filter capacitor C1, the other end of the first boost inductor L1 is respectively connected with the drain of the first power switch tube Q1 and the anode of the first unidirectional rectifier diode D1, the cathode of the first unidirectional rectifier diode D1 is respectively connected with the anode of the first intermediate energy storage capacitor C3 and the anode of the second unidirectional rectifier diode D2, the cathode of the first input power source V1 is connected to the cathode of the first input filter capacitor C1, the cathode of the first intermediate energy-storage capacitor C3 and the source of the first power switch Q1, the anode of the second input power source V2 is connected to one end of the second boost inductor L2 and the anode of the second input filter capacitor C2, the other end of the second boost inductor L2 is connected to the cathode of the first input power source V1 and the drain of the second power switch Q2, the cathode of the second input power source V2 is connected to the cathode of the second input filter capacitor C2, the cathode of the second intermediate energy-storage capacitor C4 and the source of the second power switch Q2, the anode of the second intermediate energy-storage capacitor C4 is connected to the cathode of the second unidirectional rectifying diode D2 and the resistor R, the other end of the resistor R is connected to the cathode of the second intermediate energy-storage capacitor C4, wherein the frequency of the switch Q2 may be 200kHz to 400 kH.
When the second power switch tube Q2 is turned off, the second input power supply V2, the induced voltage of the second boost inductor L2 and the first intermediate energy storage capacitor C3 charge the second intermediate energy storage capacitor C4 together to further boost the voltage, wherein the first intermediate energy storage capacitor C3 and the second intermediate energy storage capacitor C4 are storage battery charging capacitors. The utility model has simple circuit structure and obvious boosting effect and shortens the charging time of the storage battery.
Further, the storage battery 4 is charged in an external charging mode or a low-power charging mode, and when the external power grid is connected to charge in the low-power charging mode, the controller 3 can give an alarm through display or sound of the OLED touch screen 2 and switch to the low-power charging mode.
Further, controller 3 is inside to be provided with helping hand sensor, and helping hand sensor detects the pedal moment of riding or pedal speed turns into the signal, gives controller 3 signal transmission, and controller 3 distributes the size of the drive current of motor through control signal adjustment to adopt manpower and electric power to drive the bicycle jointly and travel.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (6)
1. A power assisted bicycle, comprising:
the driving device (1) comprises a motor, is arranged on the rear frame of the bicycle and is in transmission connection with the rear hub of the bicycle;
the OLED touch screen (2) is arranged at the position of a bicycle handle and is opposite to the bicycle bell;
the controller (3) is arranged on the outer surface of the driving device (1) and is electrically connected with the driving device (1) to control the motor to rotate to drive the bicycle to run, and the OLED touch screen (2) is electrically connected with the controller (3);
the storage battery (4) is arranged on the bracket below the seat and is electrically connected with the controller (3) and the motor, and the controller (3) controls the storage battery (4) to be charged and discharged;
and the Boost conversion module is arranged on a main circuit board of the controller (3), is electrically connected with the controller (3), and is used for amplifying the voltage in the charging process when the storage battery (4) is charged.
2. A bicycle according to claim 1, characterised in that the controller (3) is of the type: STM32F103R8T 6.
3. A power assisted bicycle according to claim 2, wherein the Boost conversion module comprises: a first input power supply (V1), a second input power supply (V2), a first input filter capacitor (C1), a second input filter capacitor (C2), a first boost inductor (L1), a second boost inductor (L2), a first power switch tube (Q1), a second power switch tube (Q2), a first unidirectional rectifier diode (D1), a second unidirectional rectifier diode (D2), a first intermediate energy storage capacitor (C3) and a second intermediate energy storage capacitor (C4), wherein the second intermediate energy storage capacitor (C4) is used as an output filter capacitor and is connected with a load, the positive pole of the first input power supply (V1) is respectively connected with one end of the first boost inductor (L1) and the positive pole of the first input filter capacitor (C1), the other end of the first boost inductor (L1) is respectively connected with the drain of the first power switch tube (Q1) and the positive pole of the first unidirectional rectifier diode (D1), the cathode of the first unidirectional rectifying diode (D1) is respectively connected with the anode of the first intermediate energy storage capacitor (C3) and the anode of the second unidirectional rectifying diode (D2), the cathode of the first input power supply (V1) is respectively connected with the cathode of the first input filter capacitor (C1), the cathode of the first intermediate energy storage capacitor (C3) and the source of the first power switch tube (Q1), the anode of the second input power supply (V2) is respectively connected with one end of the second boost inductor (L2) and the anode of the second input filter capacitor (C2), the other end of the second boost inductor (L2) is respectively connected with the cathode of the first input power supply (V1) and the drain of the second power switch tube (Q2), the cathode of the second input power supply (V2) is respectively connected with the cathode of the second input filter capacitor (C2), the cathode of the second intermediate energy storage capacitor (C4) and the source of the second power switch tube (Q2), the anode of the second intermediate energy storage capacitor (C4) is respectively connected with the cathode of the second unidirectional rectifying diode (D2) and the resistor (R), and the other end of the resistor (R) is connected with the cathode of the second intermediate energy storage capacitor (C4).
4. A bicycle with assistance according to claim 3, characterised in that the frequency of the switching tube (Q2) is 200kHz to 400 kHz.
5. A bicycle as claimed in claim 2, wherein the battery (4) is charged in an external charging mode or a low power charging mode, and when the external power network is connected to charge in the low power charging mode, the controller (3) will display or sound an alarm through the OLED touch screen (2) and switch to the low power charging mode.
6. A bicycle as claimed in claim 2, wherein the controller (3) is provided with a power sensor therein, the power sensor detects the moment of the riding pedals or the speed of the pedals and converts the detected moment into a signal, the signal is transmitted to the controller (3), and the controller (3) adjusts the driving current distributed to the motor according to the control signal, so as to drive the bicycle to run by both human power and electric power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121797069.3U CN215553836U (en) | 2021-08-03 | 2021-08-03 | Power-assisted bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121797069.3U CN215553836U (en) | 2021-08-03 | 2021-08-03 | Power-assisted bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215553836U true CN215553836U (en) | 2022-01-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121797069.3U Expired - Fee Related CN215553836U (en) | 2021-08-03 | 2021-08-03 | Power-assisted bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215553836U (en) |
-
2021
- 2021-08-03 CN CN202121797069.3U patent/CN215553836U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220118 |