CN212828814U - Lithium battery-driven bicycle sound prompt system - Google Patents
Lithium battery-driven bicycle sound prompt system Download PDFInfo
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- CN212828814U CN212828814U CN202020894558.XU CN202020894558U CN212828814U CN 212828814 U CN212828814 U CN 212828814U CN 202020894558 U CN202020894558 U CN 202020894558U CN 212828814 U CN212828814 U CN 212828814U
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Abstract
The utility model discloses a lithium electricity drive bicycle sound reminder system, including motor hall signal detector, controller MCU, speed display screen and alarm control assembly, controller MCU includes the threshold value comparator, the threshold value comparator is equipped with two inputs, and two inputs are connected with reference voltage signal output and motor hall signal detector signal output part electricity respectively, another signal output part of motor hall signal detector is connected with speed display screen electricity through a logical and instrument MCU, alarm control assembly includes sound source storage unit, relay, drive output, triode and bee calling organ, the relay input is connected with threshold value comparator's output electricity. According to the speed alarm device of the electric bicycle, when the running speed exceeds the set 15km/h, the buzzer of the alarm controller MCU can automatically work to remind a driver and pedestrians to pay attention to safety.
Description
Technical Field
The utility model relates to an electric bicycle technical field specifically is lithium electricity drive bicycle sound prompt system.
Background
In recent years, with the continuous improvement of the living standard of people, the environmental awareness of people is greatly enhanced, and the electric new energy walking tool is more and more popular with people; at present, an electric bicycle is taken as one of new energy mobility tools, and is widely applied to daily life of people, as is well known, in order to ensure safe driving of the electric bicycle and safety of pedestrians, the state stipulates that the safe driving speed of the electric bicycle is not higher than 25 kilometers per hour, but most of the existing electric bicycles are not provided with a speed prompting alarm device, and when the driving speed of a driver is higher than 25 kilometers per hour and the speed of the driver is not noticed by the driver, the driver can be in a dangerous state of overspeed, so the improvement is made, and a lithium-battery-driven bicycle sound prompting system is provided.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model discloses lithium electricity drive bicycle sound reminder system, a serial communication port, including motor hall signal detector, controller MCU, speed display screen and alarm control assembly, controller MCU includes the threshold value comparator, the threshold value comparator is equipped with two inputs, and two inputs are connected with reference voltage signal output part and motor hall signal detector signal output part electricity respectively, another signal output part of motor hall signal detector is connected with speed display screen electricity through a wire harness and instrument MCU, alarm control assembly includes sound source storage unit, relay, drive output, triode and bee calling organ, connect gradually between sound source storage unit, relay, drive output, triode and the bee calling organ, just the relay input is connected with the output electricity of threshold value comparator.
As a preferred technical scheme of the utility model, the sound of sound source memory cell storage is the different prompt tone that corresponds when exceeding the warning speed of a motor vehicle.
As an optimized technical scheme of the utility model, the warning speed of a motor vehicle is 15 km/h.
As an optimized technical scheme of the utility model, the warning tone scope of alarm is at 60dB ~ 75 dB.
As a preferred technical scheme of the utility model, reference voltage is speed of a motor alarm threshold voltage, speed of a motor alarm threshold voltage detects the voltage value that the speed of a motor hall signal detector corresponds for 15 km/h.
By adopting the technical scheme, when the running speed of the electric bicycle exceeds the set 15km/h in the running process, the buzzer of the alarm controller MCU can automatically enter the work to remind a driver and pedestrians to pay attention to the safety, and when the running speed far exceeds the set 15km/h, the buzzer can automatically switch different prompt tones to remind the driver to pay attention to the control of the speed of the bicycle, so that the running safety is kept.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the sound prompt system of the lithium-ion battery-driven bicycle according to the present invention;
fig. 2 is the circuit connection schematic diagram of the lithium battery-driven bicycle sound prompt system of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in fig. 1-2, the utility model discloses lithium electricity drive bicycle sound prompt system, including motor hall signal detector, controller MCU, instrument MCU, speed display screen and alarm control assembly. The controller MCU comprises a threshold comparator, the threshold comparator is provided with two input ends, and the two input ends are respectively and electrically connected with the reference voltage signal output end and the signal output end of the motor Hall signal detector. And the other signal output end of the motor Hall signal detector is electrically connected with the speed display screen through a wire harness and the instrument MCU. The alarm control component comprises a sound source storage unit, a relay, a driving output end, a triode Q1 and a buzzer SP 1. The sound source storage unit, the relay, the driving output end, the triode Q1 and the buzzer SP1 are sequentially connected, and the input end of the relay is electrically connected with the output end of the threshold comparator. The sound source storage unit and the relay are integrated in the instrument MCU, the driving output end is arranged on the instrument MCU, the triode Q1 is arranged between the driving output end of the instrument MCU and the buzzer SP1, and the resistor R2 is connected between the instrument MCU and the base of the triode Q1 in series. The capacitor C1 is connected in parallel with the emitter and base of the transistor Q1, and the capacitor C1 is connected with the emitter and then grounded. The collector of the transistor Q1 is electrically connected to the buzzer SP1, and controls the operation of the buzzer SP 1. The buzzer SP1 is electrically connected to the power supply terminal VCC through a resistor R1.
The sound stored in the sound source storage unit is different corresponding prompt sounds when the alarm vehicle speed is exceeded.
Wherein the alarm vehicle speed is 15 km/h.
Wherein, the alarm tone range of the alarm is 60 dB-75 dB.
The reference voltage is a vehicle speed alarm threshold voltage, and the vehicle speed alarm threshold voltage is a voltage value corresponding to the vehicle speed detected by a motor Hall signal detector to be 15 km/h.
The working principle is as follows: when the electric bicycle is running, the motor Hall signal detector can automatically detect the rotating speed of the motor in real time, the detection result is transmitted to the threshold comparator through the controller MCU, the signal value obtained by comparing the two output ends is compared through the threshold comparator, if the signal transmitted to the threshold comparator by the motor Hall signal detector is greater than the alarm threshold voltage of the vehicle speed, the threshold comparator transmits the alarm signal to the relay, the relay sequentially transmits the alarm signal to the driving output end, then the triode Q1 is turned on to drive the buzzer SP1 to start alarming so as to prompt a driver to drive the bicycle, and meanwhile, the real-time rotating speed of the motor which can be detected by the motor Hall signal detector in the running process of the bicycle is transmitted to the speed display screen to display the speed in real time after the data of the controller MCU is processed, so that the driver can observe and know the speed. The vehicle speed alarm device of the electric bicycle is characterized in that when the electric bicycle runs and the running speed exceeds set 15km/h, a buzzer of an alarm controller MCU can automatically enter the work to remind a driver and pedestrians of paying attention to safety, and when the running speed far exceeds set 15km/h, the buzzer can automatically switch different prompting sounds to prompt the driver to pay attention to controlling the vehicle speed and keep the running safety.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a lithium electricity drive bicycle sound reminder system, a serial communication port, including motor hall signal detector, controller MCU, speed display screen and alarm control assembly, controller MCU includes threshold value comparator, threshold value comparator is equipped with two inputs, and two inputs are connected with reference voltage signal output part and motor hall signal detector signal output part electricity respectively, another signal output part of motor hall signal detector is connected with speed display screen electricity through a logical and instrument MCU, alarm control assembly includes sound source storage unit, relay, drive output, triode and bee calling organ, connect in proper order between sound source storage unit, relay, drive output, triode and the bee calling organ, just the relay input is connected with threshold value comparator's output electricity.
2. The lithium-battery-driven bicycle sound prompt system according to claim 1, wherein the sound stored in the sound source storage unit is different corresponding prompt sounds when the alarm vehicle speed is exceeded.
3. The lithium battery-driven bicycle sound prompt system according to claim 2, wherein the alarm vehicle speed is 15 km/h.
4. The lithium battery-driven bicycle sound prompt system according to claim 2, wherein the alarm has a prompt tone range of 60dB to 75 dB.
5. The lithium battery-driven bicycle sound prompt system according to claim 1, wherein the reference voltage is a vehicle speed alarm threshold voltage, and the vehicle speed alarm threshold voltage is a voltage value corresponding to a vehicle speed detected by a motor hall signal detector of 15 km/h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020894558.XU CN212828814U (en) | 2020-05-25 | 2020-05-25 | Lithium battery-driven bicycle sound prompt system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020894558.XU CN212828814U (en) | 2020-05-25 | 2020-05-25 | Lithium battery-driven bicycle sound prompt system |
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| CN212828814U true CN212828814U (en) | 2021-03-30 |
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| CN202020894558.XU Active CN212828814U (en) | 2020-05-25 | 2020-05-25 | Lithium battery-driven bicycle sound prompt system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114348162A (en) * | 2021-12-17 | 2022-04-15 | 珠海蓝图控制器科技有限公司 | Automatic speed-changing electric power-assisted bicycle, control method thereof and mobile terminal |
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2020
- 2020-05-25 CN CN202020894558.XU patent/CN212828814U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114348162A (en) * | 2021-12-17 | 2022-04-15 | 珠海蓝图控制器科技有限公司 | Automatic speed-changing electric power-assisted bicycle, control method thereof and mobile terminal |
| CN114348162B (en) * | 2021-12-17 | 2023-08-15 | 珠海蓝图运动科技股份有限公司 | Automatic speed-changing electric power-assisted bicycle, control method thereof and mobile terminal |
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