CN211107799U

CN211107799U - Bicycle tail lamp

Info

Publication number: CN211107799U
Application number: CN201922119241.9U
Authority: CN
Inventors: 郭祖春
Original assignee: Kunshan Pulunsi Network Technology Co ltd
Current assignee: Kunshan Pulunsi Network Technology Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-07-28
Anticipated expiration: 2029-12-02

Abstract

The utility model discloses a bicycle tail lamp, including installing support and tail lamp main part, the tail lamp main part includes the casing, sets up power module, control module and the light-emitting component in the casing, control module includes controller, attitude sensor, photoswitch and GPS locator, power module is connected with photoswitch, controller respectively, attitude sensor and GPS locator are connected, attitude sensor, light-emitting component and GPS locator are connected with the controller respectively. The utility model provides a bicycle taillight not only can show the direction that turns to when turning to, can also fix a position the user, improves the security that the bicycle was ridden.

Description

Bicycle tail lamp

Technical Field

The utility model particularly relates to a bicycle tail lamp.

Background

The bicycle is taken as a short-distance vehicle and is deeply loved by people. When the bicycle runs on a road or a bicycle lane, the safety problem of the running process is a problem which cannot be ignored. The traditional bicycle generally adopts a passive reflection type tail lamp, and only has the function of reminding a driver of the existence of the bicycle when the bicycle runs at night. However, bicycles are similar to pedestrians, both of which have great driving randomness and are easily and suddenly changed and not easily perceived by others, thereby causing traffic accidents, especially serious at night.

The existing bicycle is lack of warning devices such as an automatic tail lamp, and pedestrians or vehicles in a lane are difficult to notice the braking or steering behavior of the bicycle in the braking or steering process of the bicycle, so that the potential safety hazard is large. In addition, the existing tail lamp has no positioning function, so that the dynamic state of a user cannot be mastered, and the safety of the user is ensured.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a bicycle tail lamp not only can show the direction that turns to when turning to, can also fix a position the user, improves the security that the bicycle was ridden.

The utility model provides a pair of bicycle tail lamp, including installing support and tail lamp main part, the tail lamp main part includes the casing, sets up power module, control module and the light-emitting component in the casing, control module includes controller, attitude sensor, photoswitch and GPS locator, power module is connected with photoswitch, controller respectively, attitude sensor and GPS locator are connected, attitude sensor, light-emitting component and GPS locator are connected with the controller respectively.

Furthermore, the control module further comprises a voltage detection module and an alarm module, the voltage detection module is respectively connected with the power supply module and the controller, and the alarm module is connected with the controller.

Further, the controller adopts a chip model STM32F103RDT 6.

Further, the alarm module comprises a fourth resistor, a fifth resistor, a third switching device, a second diode and a buzzer, one end of the fourth resistor is connected with the output end of the controller, the other end of the fourth resistor is connected with the base electrode of the third switching device, the emitting electrode of the third switching device is grounded, the collecting electrode of the third switching device is connected with one end of the buzzer and the anode of the second diode respectively, the other end of the buzzer is connected with the cathode of the second diode and one end of the fifth resistor respectively, and the other end of the fifth resistor is connected with the power module.

Further, the control module also comprises a wireless communication module, and the wireless communication module is connected with the controller.

Furthermore, the wireless communication module adopts a WiFi module, the WiFi module comprises a WiFi main control chip, a RST port of the WiFi main control chip is connected with a reset button, and a TXD port and an RXD port of the WiFi main control chip are respectively connected with the controller.

Further, the model of the WiFi main control chip is ESP 8266.

Further, the attitude sensor adopts an MPU6050 six-axis sensor, and the MPU6050 six-axis sensor is connected with the controller.

Further, the light emitting component adopts a high-brightness L ED lamp bead array.

Further, the control module further comprises a Hall acceleration sensor, and the Hall acceleration sensor is connected with the controller.

The utility model has the advantages that:

the utility model provides a bicycle tail lamp, which can detect the running gesture of the bicycle, such as forward, backward, brake, left turn and right turn, through the gesture sensor; the controller is according to the pattern control signal that traveles the gesture to light-emitting component output correspondence to display the gesture of traveling of bicycle on the bicycle tail lamp, make the vehicle of passing through know the gesture of traveling of bicycle through the pattern on the bicycle tail lamp, so that make the exact direction of traveling, avoid colliding with the bicycle, thereby great improvement the security of riding. And, fix a position the tail lamp through the GPS locator, can know rider's current position, further improved rider's safety.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic block diagram of a bicycle taillight according to a first embodiment of the present invention;

FIG. 2 is a schematic circuit diagram of a bicycle taillight controller according to a first embodiment of the present invention;

FIG. 3 is a schematic view of a light emitting assembly of a bicycle taillight showing a leftward pattern according to a first embodiment of the present invention;

FIG. 4 is a schematic circuit diagram of an alarm module of a bicycle tail lamp according to a first embodiment of the present invention;

fig. 5 is a schematic circuit diagram of a wireless communication module of a bicycle tail lamp according to a first embodiment of the present invention.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

Please refer to fig. 1-5, a first embodiment of the present invention provides a bicycle tail lamp, including a mounting bracket and a tail lamp main body, the tail lamp main body includes a housing, a power module, a control module and a light emitting component, the power module, the control module and the GPS locator are disposed in the housing, the control module includes a controller, an attitude sensor, a light control switch and a GPS locator, the power module is connected with the light control switch, the controller, the attitude sensor and the GPS locator, and the attitude sensor, the light emitting component and the GPS locator are connected with the controller respectively. Detecting the running postures of the bicycle, such as forward, backward, braking, left turning and right turning, by the posture sensor; the controller opens or closes the pattern control signal who corresponds to light emitting component output according to the gesture of traveling control photoswitch to show the gesture of traveling of bicycle on the bicycle tail lamp, make the vehicle of passing through know the gesture of traveling of bicycle through the pattern on the bicycle tail lamp, so that make the exact direction of traveling, avoid colliding with the bicycle, thereby great improvement the security of riding. Through GPS locator to the tail lamp location, can know user's specific position, improved the safe line of riding passerby.

In this embodiment, the control module further includes a voltage detection module and an alarm module, the voltage detection module is respectively connected with the power supply and the controller, and the alarm module is connected with the controller. The voltage detection module is used for detecting whether the voltage of the power supply module is normal or not, and if the voltage is too low, the alarm module sends out an alarm signal to remind a user of replacing a power supply or charging in time so as to ensure normal work of the tail lamp.

In this embodiment, the model of the chip adopted by the controller is STM32F103RDT 6. The alarm module comprises a fourth resistor, a fifth resistor, a third switching device, a second diode and a buzzer, one end of the fourth resistor is connected with the output end of the controller, the other end of the fourth resistor is connected with the base of the third switching device, the emitting electrode of the third switching device is grounded, the collecting electrode of the third switching device is connected with one end of the buzzer and the anode of the second diode respectively, the other end of the buzzer is connected with the cathode of the second diode and one end of the fifth resistor respectively, and the other end of the fifth resistor is connected with the power module. The STM32F103RDT6 chip operates at 72 MHz using a high performance ARMCortex-M3 TM 32-bit RISC core, high speed embedded memory and enhanced I/O peripherals connected to two APB buses, providing two 12-bit ADCs, three general purpose 16-bit timers plus one PWM timer, and standard and advanced communication interfaces：I²C and SPI interface, three serial peripheral interfaces, a USB interface and a CAN interface. STM32F103RDT6 works on a power supply of 2V to 3.6V, and the working temperature range is-40 ℃ to +85 ℃. When the voltage detection module detects that the power supply voltage is too low, the controller controls the buzzer to give out prompt sound according to the voltage signal. Through voltage detection circuit and alarm module, realize crossing automatic alarm when the power electric quantity is low excessively, the suggestion car owner in time changes the power or charges for the power, guarantees the normal work of tail lamp.

In this embodiment, the control module further includes a wireless communication module, and the wireless communication module is connected with the controller. The wireless communication module adopts a WiFi module, the WiFi module comprises a WiFi main control chip, a RST port of the WiFi main control chip is connected with a reset button, and a TXD port and an RXD port of the WiFi main control chip are respectively connected with the controller. The model of the WiFi main control chip is ESP 8266. The tail lamp can send the driving posture data detected by the tail lamp to the smart phone of the vehicle owner through the wireless communication module, and a data basis is provided for the riding passenger to analyze the motion state and share the motion journey through big data.

In this embodiment, the attitude sensor is an MPU6050 six-axis sensor, and the MPU6050 six-axis sensor is connected to the controller. MPU6050 six sensor inside have integrated 3 axle gyroscopes and 3 axle acceleration sensor to automatic digital motion treater DMP, realization gesture that can be very convenient is resolved, and the load of simple motion processing operation to the singlechip has reduceed the development degree of difficulty simultaneously greatly.

The light-emitting component adopts a high-brightness L ED lamp bead array, the L ED lamp bead array in a 5 × 5 matrix form is adopted in the specific embodiment, as shown in FIG. 3, filled L ED lamp beads for indicating light emission and unfilled L ED lamp beads for indicating non-light emission are filled in FIG. 3, and a pattern formed by L ED lamp beads for emitting light is shown in the figure, and the driving posture of the bicycle is shown to be left turning as an arrow pointing to the left.

The control module further comprises a Hall acceleration sensor, and the Hall acceleration sensor is connected with the controller. The Hall acceleration sensor is a magnetoelectric sensor based on Hall effect, and has the characteristics of high sensitivity to magnetic field, stable output signal, high frequency response, strong anti-electromagnetic interference capability, simple structure, convenient use and the like. The working principle is that when the rotating mechanism of the Hall acceleration sensor rotates under the action of external drive, the permanent magnet is driven to rotate, the magnetic field penetrating through the Hall element generates periodic change to cause the output voltage of the Hall element to change, and a stable pulse voltage signal is formed through subsequent circuit processing and serves as the output signal of the bicycle acceleration. The acceleration signal of bicycle is gathered through hall acceleration sensor, and the controller judges whether the bicycle is the brake action according to the acceleration sensor signal, if be the brake, the pattern of controller control light emitting component display brake.

Here, it is to be noted that the functions, algorithms, methods, etc. related to the present invention are only conventional adaptive applications of the prior art. Therefore, the present invention is an improvement of the prior art, and the substantial connection relationship between hardware is not directed to the function, algorithm, and method itself, that is, the present invention relates to a little function, algorithm, and method, but does not include the improvement of the function, algorithm, and method itself. The utility model discloses to the description of function, algorithm, method, be for better explanation the utility model discloses to better understanding the utility model discloses.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a bicycle tail lamp, includes installing support and tail lamp main part, its characterized in that, the tail lamp main part includes the casing, sets up power module, control module and the light-emitting component in the casing, control module includes controller, attitude sensor, photoswitch and GPS locator, power module is connected with photoswitch, controller respectively, and attitude sensor and GPS locator are connected, attitude sensor, light-emitting component and GPS locator are connected with the controller respectively.

2. The bicycle tail light of claim 1, wherein the control module further comprises a voltage detection module and an alarm module, the voltage detection module is connected with the power module and the controller respectively, and the alarm module is connected with the controller.

3. The bicycle rear light of claim 2, wherein the controller is of the chip type STM32F103RDT 6.

4. The bicycle taillight of claim 3, wherein the alarm module comprises a fourth resistor, a fifth resistor, a third switching device, a second diode and a buzzer, one end of the fourth resistor is connected with the output end of the controller, the other end of the fourth resistor is connected with the base of the third switching device, the emitter of the third switching device is grounded, the collector of the third switching device is respectively connected with one end of the buzzer and the anode of the second diode, the other end of the buzzer is respectively connected with the cathode of the second diode and one end of the fifth resistor, and the other end of the fifth resistor is connected with the power module.

5. The bicycle taillight of claim 4, wherein the control module further comprises a wireless communication module, the wireless communication module being coupled to the controller.

6. The bicycle taillight of claim 5, wherein the wireless communication module is a WiFi module, the WiFi module comprises a WiFi main control chip, a RST port of the WiFi main control chip is connected with a reset button, and a TXD port and a RXD port of the WiFi main control chip are respectively connected with the controller.

7. The bicycle tail light of claim 6, wherein the WiFi master control chip is model ESP 8266.

8. The bicycle taillight of claim 7, wherein the attitude sensor is a six-axis MPU6050 sensor, and the six-axis MPU6050 sensor is coupled to the controller.

9. The bicycle taillight of claim 8, wherein the light assembly employs an array of high brightness L ED light beads.

10. The bicycle rear light of claim 1, wherein the control module further comprises a hall acceleration sensor, the hall acceleration sensor being connected to the controller.