CN211786681U - Bicycle riding signal control system - Google Patents
Bicycle riding signal control system Download PDFInfo
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- CN211786681U CN211786681U CN202020569953.0U CN202020569953U CN211786681U CN 211786681 U CN211786681 U CN 211786681U CN 202020569953 U CN202020569953 U CN 202020569953U CN 211786681 U CN211786681 U CN 211786681U
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Abstract
The utility model discloses a bicycle riding signal control system, which comprises a first circuit board, a signal transmission module and a second circuit board; the first circuit board comprises a steering detection module, a brake detection module voice module and a signal processing module, wherein the output end of the steering detection module, the output end of the brake detection module and the output end of the voice module are all connected with the output end of the signal processing module; the second circuit board comprises a control module and a display module, and the output end of the control module is connected with the input end of the display module; the input end of the signal transmission module is connected with the output end of the signal processing module, and the output end of the signal transmission module is connected with the input end of the control module. The utility model discloses a provide the purpose that turns to and brake information to vehicle and pedestrian around the bicycle to the driving safety of bicycle has been ensured. The utility model discloses can wide application in bicycle technical field.
Description
Technical Field
The utility model relates to a bicycle technical field especially relates to a bicycle signal control system that rides.
Background
In the era of low carbon, energy conservation and environmental protection, bicycles are more and more popular with people, and especially, when the shared bicycle is popularized and popularized at present, the mobile phone can use the bicycle by scanning codes, so that great convenience is brought to people's traveling, and the good habit of low carbon traveling of people is also cultivated.
However, a large potential safety hazard exists when the bicycle is ridden, compared with an automobile, the bicycle is small in target, the speed of the bicycle in shuttling on a road is high, and due to the fact that the bicycle is flexible and easy to control, surrounding vehicles or pedestrians cannot easily distinguish the steering and braking conditions of the bicycle, and safety accidents are easy to happen.
However, the existing bicycle is difficult to provide steering and braking information for surrounding vehicles or pedestrians, so that the problem that the bicycle is provided with a riding signal indicating device to guarantee the driving safety of the bicycle is to be solved urgently.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims to provide a: a bicycle riding signal control system is provided.
The utility model adopts the technical proposal that:
a bicycle riding signal control system comprises a first circuit board, a signal transmission module and a second circuit board;
the first circuit board comprises a steering detection module, a brake detection module voice module and a signal processing module, wherein the output end of the steering detection module, the output end of the brake detection module and the output end of the voice module are all connected with the output end of the signal processing module;
the second circuit board comprises a control module and a display module, and the output end of the control module is connected with the input end of the display module;
the input end of the signal transmission module is connected with the output end of the signal processing module, and the output end of the signal transmission module is connected with the input end of the control module.
Further, the voice module comprises a voice acquisition circuit and a voice recognition circuit.
Further, the display module comprises a fan circuit and a light circuit.
Further, the steering detection module includes a vertical contact strip, a first lateral contact strip, and a second lateral contact strip.
Further, the brake detection module includes a first pair of mechanical contacts including a first mechanical contact and a second pair of mechanical contacts including a third mechanical contact and a fourth mechanical contact.
Further, the signal processing module adopts a USB single chip microcomputer with the model of CH 552.
Further, the voice recognition circuit adopts a voice recognition chip with the model number of WTK 6900.
Furthermore, the output end of the voice recognition circuit is also connected with a loudspeaker.
Further, the fan circuit comprises a first resistor, a second resistor, a third resistor, a first triode and a fan motor;
one end of the first resistor is connected with the control module, the other end of the first resistor is connected with one end of the second resistor and the base electrode of the first triode respectively, one end of the third resistor is connected to the power supply, the other end of the third resistor is connected with the positive electrode of the fan motor, the negative electrode of the fan motor is connected with the collector electrode of the first triode, and the emitting electrode of the first triode and the other end of the second resistor are connected to the ground.
Further, the first circuit board further comprises a first power supply module, and the first power supply module comprises a power generation circuit and a voltage reduction circuit.
The utility model has the advantages that: including first circuit board, signal transmission module and second circuit board, first circuit board is including turning to detection module, brake detection module, voice module and signal processing module, the second circuit board includes control module and display module, detects turning to and the brake condition of bicycle through turning to detection module and brake detection module, the control pronunciation that turns to and the brake through the voice module input, signal processing module is with received turn signal and brake signal transmission to control module, control module shows corresponding characters according to turn signal and brake signal control display module, realized turning to and the purpose of brake information to vehicle and pedestrian around the bicycle provide, thereby ensured the driving safety of bicycle.
Drawings
Fig. 1 is a block diagram of a bicycle riding signal control system of the present invention;
FIG. 2 is a schematic structural view of the bicycle riding signal control system of the present invention;
FIG. 3 is a schematic circuit diagram of the voltage reduction circuit of the bicycle riding signal control system of the present invention;
FIG. 4 is a schematic circuit diagram of the brake detection module of the bicycle riding signal control system of the present invention;
FIG. 5 is a schematic circuit diagram of the steering detection module of the bicycle riding signal control system of the present invention;
FIG. 6 is a schematic circuit diagram of the voice acquisition circuit of the bicycle riding signal control system of the present invention;
FIG. 7 is a schematic circuit diagram of the voice recognition circuit of the bicycle riding signal control system of the present invention;
fig. 8 is a schematic circuit diagram of a signal processing circuit of the bicycle riding signal control system of the present invention;
FIG. 9 is a schematic circuit diagram of a control module of the bicycle riding signal control system of the present invention;
fig. 10 is a schematic circuit diagram of a fan circuit of the bicycle riding signal control system of the present invention;
fig. 11 is a schematic circuit diagram of the light circuit of the bicycle riding signal control system of the present invention.
Detailed Description
The invention will be further explained and explained with reference to the drawings and the embodiments in the following description.
In order to at least partially solve one of the above problems, the present invention provides a bicycle riding signal control system, as shown in fig. 1, the system includes a first circuit board, a signal transmission module and a second circuit board;
the first circuit board comprises a first power supply module, a voice module, a steering detection module, a brake detection module and a signal processing module, wherein the output end of the voice module, the output end of the steering detection module and the output end of the brake detection module are all connected with the input end of the signal processing module, and the output end of the first power supply module is respectively connected with the input end of the voice module, the input end of the steering detection module, the input end of the brake detection module and the input end of the signal processing module;
the second circuit board comprises a second power supply module, a control module and a display module, wherein the output end of the control module is connected with the input end of the display module, and the output end of the second power supply module is respectively connected with the input end of the control module and the input end of the display module;
the input end of the signal transmission module is connected with the output end of the signal processing module, and the output end of the signal transmission module is connected with the input end of the control module.
In the first circuit board, the first power supply module is used for supplying power to the first circuit board. The first power module comprises a power generation circuit and a voltage reduction circuit, the power generation circuit comprises a power generation motor with the model of ZGB37RG148, a voltage stabilization chip with the model of LM7805 and a detachable power supply, and voltage output by the power generation motor is sent to a voltage stabilizing circuit formed by the voltage stabilization chip with the model of LM7805 and then is output by the voltage stabilizing circuit to form stable 5V direct-current voltage. As shown in fig. 3, the buck circuit uses a buck chip U11 with model UP0108AMA5-33 as a core element, and converts a stable 5V dc voltage into a 3.3V dc voltage. The utility model discloses an in the first circuit board, most circuit module, for example signal processing module, voice module all need 3.3V DC power supply, consequently adopt the 5V DC voltage drop that step-down circuit will obtain to be 3.3V DC voltage.
In addition, the output end of the voltage stabilizing circuit is also connected with a charging interface J4 for providing emergency charging service for the mobile phone for users. Specifically, the charging interface may be an android charging interface and/or a type-C charging interface and/or an IOS charging interface.
In the first circuit board, brake detection module for detect the brake condition of bicycle. As shown in fig. 4, the brake detection module includes two pairs of mechanical contacts, namely a first pair of mechanical contacts and a second pair of mechanical contacts, the first pair of mechanical contacts includes a first mechanical contact and a second mechanical contact, the second pair of mechanical contacts includes a third mechanical contact and a fourth mechanical contact, the second mechanical contact and the fourth mechanical contact are both connected to the power supply, the first mechanical contact and the third mechanical contact are connected to the ground GND through a fourth resistor R4, and the first contact and the third contact are further connected to the signal processing module.
The first pair of mechanical contacts and the second pair of mechanical contacts are used for detecting the braking condition, and when the first mechanical contact is in contact with the second mechanical contact and the third mechanical contact is in contact with the fourth mechanical contact, the signal processing module receives a high-level signal to indicate that the bicycle is not braked; the first mechanical contact is disconnected with the second mechanical contact and/or the third mechanical contact is disconnected with the fourth contact, and the signal processing module can receive a low level number, so that the bicycle is in a braking state.
In the first circuit board, a steering detection module is used for detecting the steering condition of the bicycle. The steering detection module comprises a key circuit, and the key circuit is connected with the signal processing module. The key circuit comprises a first key and a second key, when the first key or the second key is pressed, the control module receives a left-turn key signal or a right-turn key signal, and the left-turn key signal and the right-turn case signal are both low-level signals.
Furthermore, as shown in fig. 5, the steering detection module further includes a vertical contact strip connected to the power supply, a first lateral contact strip and a second lateral contact strip connected to the ground GND through a seventh resistor R7, and the first lateral contact strip and the second lateral contact strip are both connected to the signal processing module. When the vertical contact belt is in contact with the first transverse contact belt, the signal processing module receives a left-turning high-level signal and indicates that the bicycle is going to turn left; when the vertical contact belt is in contact with the second transverse contact belt, the signal processing module receives a right-turning high-level low signal and indicates that the bicycle is going to turn right; when the vertical contact strip is not in contact with the first transverse contact strip and is not in contact with the second transverse contact strip, the bicycle is in a straight running state.
In the first circuit board, the voice module is used for collecting and processing voice signals. Turn to the condition of turning to and the brake condition that detection module and brake detection module are used for automated inspection bicycle, when having the brake action or turning to the action, display module just can show corresponding text message, the utility model discloses still add voice module, the user can turn to the control pronunciation with the brake through voice module input, before the bicycle turns to or the brake, display module has just shown the characters that correspond, plays the effect of forenotice to vehicle and pedestrian on every side.
The voice module comprises a voice acquisition circuit and a voice recognition circuit.
The voice acquisition circuit is used for acquiring voice signals, and the voice signals are voices such as 'left turn', 'right turn' and 'brake' input by a user. As shown in fig. 6, the voice collecting circuit collects a sound signal using a microphone MIC1 of model F06027P1.4.
As shown in fig. 7, the voice recognition circuit adopts a voice recognition chip U3 with the model of WTK6900 as a core device, the WTK6900 can realize the voice recognition function of fixed vocabulary and unspecific persons, the voice recognition distance can reach 3 meters in a quiet environment, and the accuracy of voice recognition can reach 90% within half a meter. The speech signal that the speech acquisition circuit gathered will send into speech recognition circuit and discern, and the process of discernment is: the collected voice signals are compared with the voice stored in the voice recognition chip U3 of the WTK6900, if the collected voice is consistent with the voice in the voice recognition chip U3, the recognition is correct, and corresponding level signals are output by several IO ports (one or more of OUTA-OUTD) of the voice recognition chip U3 of the WTK 6900.
In addition, the output end of the voice recognition circuit is also connected with a loudspeaker J7 for playing voice recognition results, wherein the voice recognition results comprise 'left turn', 'right turn' and 'stop', and the like, and the user is informed of whether the steering voice input is correct or not by playing the voice recognition results.
And the signal processing module is used for processing the level signal output by the voice recognition circuit and outputting a direction signal or a brake signal. As shown in fig. 8, the signal processing module adopts a USB single chip microcomputer U2 with a model CH 552. The voice recognition circuit inputs high and low level signals to the signal processing module through the IO port (one or more of OUTA-OUTD), the high and low level signals correspond to a steering signal (turning left or turning right) or a braking signal, and therefore the USB single chip microcomputer U2 outputs the corresponding steering signal or the braking signal according to the input level signal.
In addition, the signal processing module is also used for receiving level signals output by the brake detection module and the steering detection module.
And the signal transmission module is used for transmitting the steering signal or the brake signal to the second circuit board. The signal transmission module comprises a Bluetooth transmission circuit and a wired transmission circuit.
The Bluetooth transmission circuit comprises two Bluetooth modules, namely a first Bluetooth module and a second Bluetooth module, wherein the first Bluetooth module and the second Bluetooth module adopt DX-BT18 Bluetooth modules. The first Bluetooth module is connected with the signal processing module and used for sending out steering or braking signals output by the signal processing module; the second Bluetooth module is used for receiving the steering or braking signal sent by the first Bluetooth module and transmitting the received steering or braking signal to the control module.
The wired transmission circuit transmits the steering signal or the brake signal output by the signal processing module to the control module by using a signal transmission line.
The manner of signal transmission can be determined by setting the priority order used by the bluetooth transmission circuit and the wired transmission circuit.
The utility model discloses a wired and two kinds of transmission mode of wireless will turn to signal or brake signal transmission to control module, provide dual guarantee for signal transmission's stability and reliability.
In the second circuit board, a second power module is used for supplying power to the second circuit board, and the circuit composition of the second power module is the same as that of the first power module in the first circuit board, which is not repeated herein.
And in the second circuit board, the control module is used for triggering the control signal to control the display circuit. As shown in fig. 9, the control module includes a USB single-chip microcomputer U1 with a model of CH552 and a peripheral circuit, the peripheral circuit includes a reset circuit, a first download circuit and a second download circuit, and both the first download circuit and the second download circuit are used for burning programs into a control USB single-chip microcomputer U1. The first downloading circuit downloads in a USB mode, and is powered on to enter a USB downloading mode by pressing a third key SW 3. The second downloading circuit downloads the data in an NFC mode, and the second downloading circuit adopts an NFC chip with the model number of C443861. The reset circuit comprises a sixth resistor R6 and a fourth key SW4, and when the fourth key SW4 is pressed, the USB single chip microcomputer U1 resets at a low level.
And the display module is used for displaying characters corresponding to the steering signals and the brake signals, and the characters corresponding to the steering signals and the brake signals comprise left turning, right turning, braking and the like. The display module comprises a fan circuit and a lighting circuit. As shown in fig. 10, the fan circuit includes a first resistor R1, a second resistor R2, a third resistor R3, a first transistor Q1, and a fan motor J11;
one end of the first resistor R1 is connected with the control module, the other end of the first resistor R1 is connected with one end of the second resistor R2 and the base of the first triode Q1, respectively, one end of the third resistor R3 is connected to the power supply, the other end of the third resistor R3 is connected with the positive electrode of the fan motor J11, the negative electrode of the fan motor JI1 is connected with the collector of the first triode Q1, and the emitter of the first triode Q1 and the other end of the second resistor R2 are both connected to the ground GND.
When the control module transmits a high level signal to the fan circuit of the display module, current flows to the base of the first triode Q1 through the first resistor R1, the first triode Q1 is conducted, and after the first triode Q1 is conducted, current flows through the fan motor J11, so that the fan motor J1 rotates to drive the fan to rotate.
As shown in fig. 11, the lighting circuit includes a plurality of light emitting diodes, the lighting circuit is directly connected to the control module, and the lighting circuit displays the text corresponding to the steering signal and the braking signal according to the control signal of the control module. In this embodiment, eleven light emitting diodes (LEDs 1-LED11) are embedded in the fan blade by means of a flexible PCB, the light emitting diodes on the fan blade display characters corresponding to a steering signal or a braking signal according to a control signal of the control module, the fan blade is driven by the fan motor to rotate at a high speed, and then the characters are continuously displayed by using human eye Persistence technology (POV). Compare in the LED dot matrix display screen that uses a plurality of emitting diode to form, the utility model discloses only need a small amount of emitting diode can show the characters that turn signal and brake signal correspond, do benefit to reduction power consumption and cost of maintenance moreover.
For further clarification of the utility model, the utility model discloses still provide another embodiment, as shown in fig. 2, bicycle riding signal control system includes:
the power generation circuit 1 is arranged at a rotating shaft of a rear wheel of a bicycle, the power generation circuit 1 comprises a power generation motor with the model of ZGB37RG148, a voltage stabilization chip with the model of LM7805 and a detachable power supply, the voltage stabilization chip with the model of LM7805 forms a voltage stabilization circuit, and the output end of the voltage stabilization circuit is also connected with a charging interface and used for providing mobile phone emergency service for a user;
a display module 2, the display module 2 being mounted at a bicycle rear light. Display module 2 includes a plurality of emitting diode, fan and motor, a plurality of emitting diode is embedded into the fan flabellum through soft PCB's mode, and the motor drives the high-speed rotation of fan flabellum to driving emitting diode on the flabellum and rotating, utilizing the POV technique, forming 3D wisdom and dazzling the screen, carrying out the demonstration of the characters that turn signal and brake signal correspond.
And the box body 3 is used for packaging the second circuit board. The box body 3 encapsulates the control module, the detachable power supply and related interfaces;
the brake detection module and the key unit 4, as shown in fig. 2 and explained by taking the left handlebar as an example, 4-1 and 4-2 are a first pair of mechanical contacts including a first mechanical contact 4-1 and a second mechanical contact 4-2, and the brake condition of the bicycle is detected by detecting the contact condition of the first mechanical contact 4-1 on the left handlebar with the second mechanical contact 4-2 and the contact condition of the third mechanical contact on the right handlebar with the fourth mechanical contact, when the first mechanical contact 4-1 is in contact with the second mechanical contact 4-2 and the third mechanical contact is in contact with the fourth mechanical contact, indicating that the bicycle is not in the brake condition, when the first mechanical contact 4-1 is disconnected from the second mechanical contact 4-2 and/or the third mechanical contact is disconnected from the fourth mechanical contact, the bicycle is in a braking state.
And 4-3 is a first key on the handle bar at the left side, and similarly, a second key is arranged on the handle bar at the right side, and when the first key 4-3 or the second key is pressed, a left steering signal or a right steering signal is sent to the control module.
The voice acquisition circuit 5 is arranged at the vertical rod of the head of the bicycle, so that a user can conveniently input steering and braking control voices;
and a front fork steering detection part 6 mounted at the front fork vertical shaft. As shown in fig. 2, the front fork steering sensing part includes a vertical contact strip 6-1 in the front fork vertical shaft, and first and second lateral contact strips 6-2 and 6-3 on left and right sides of the inside of the sleeve corresponding to the front fork vertical shaft. The signal processing module receives an input signal of left-turning steering when the vertical contact strip 6-1 is in contact with the first transverse contact strip 6-2, receives an input signal of right-turning steering when the vertical contact strip 6-1 is in contact with the second transverse contact strip 6-3, and indicates that the bicycle is in a straight-going state when the vertical contact strip 6-1 is not in contact with the first transverse contact strip 6-2 or the second transverse contact strip 6-3.
The working principle of the utility model is as follows:
after the system is powered on and when the front needs to turn left (turn right), a first key (a second key) of the key unit is pressed, the signal processing module receives a key signal of turning left (turn right), the key signal of turning left (turn right) is transmitted to the control module through the signal transmission module, and the control module triggers a control signal after receiving the key signal of turning left (turn right), and controls the display module to display characters of turning left (turn right).
When a voice of left turn (right turn or stop) is input through a voice acquisition circuit of the voice module, the voice recognition circuit firstly recognizes the input voice signal, determines that the input voice signal is a left turn (right turn or stop) voice signal, inputs the recognized left turn (right turn or stop) voice signal into the signal processing module for processing to obtain a left turn (right turn or stop) signal, transmits the left turn (right turn or stop) signal to the control module through the signal transmission module, and triggers the control signal to control the display module to display the signal characters of left turn (right turn or brake) according to the left turn (right turn or stop) signal.
In addition, when at least one pair of mechanical contacts in the first pair of mechanical contacts and the second pair of mechanical contacts in the brake detection module is disconnected, the bicycle is in a brake state, therefore, the signal processing module receives a brake signal, the signal processing module transmits the received brake signal to the control module through the signal transmission module, and the control module triggers the control signal to control the display module to display the character of 'braking' according to the brake signal.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (10)
1. A bicycle riding signal control system is characterized by comprising a first circuit board, a signal transmission module and a second circuit board;
the first circuit board comprises a steering detection module, a brake detection module voice module and a signal processing module, wherein the output end of the steering detection module, the output end of the brake detection module and the output end of the voice module are all connected with the output end of the signal processing module;
the second circuit board comprises a control module and a display module, and the output end of the control module is connected with the input end of the display module;
the input end of the signal transmission module is connected with the output end of the signal processing module, and the output end of the signal transmission module is connected with the input end of the control module.
2. The bicycle riding signal control system of claim 1, wherein the voice module comprises a voice acquisition circuit and a voice recognition circuit.
3. The bicycle riding signal control system of claim 1, wherein the display module includes a fan circuit and a light circuit.
4. The bicycle riding signal control system of claim 1, wherein the steering detection module includes a vertical contact strip, a first lateral contact strip and a second lateral contact strip.
5. The bicycle riding signal control system of claim 1, wherein the brake detection module includes a first pair of mechanical contacts and a second pair of mechanical contacts, the first pair of mechanical contacts including a first mechanical contact and a second mechanical contact, the second pair of mechanical contacts including a third mechanical contact and a fourth mechanical contact.
6. The bicycle riding signal control system according to claim 1, wherein the signal processing module is a USB single chip microcomputer with a model of CH 552.
7. The bicycle riding signal control system according to claim 2, wherein the voice recognition circuit employs a voice recognition chip of model WTK 6900.
8. The bicycle riding signal control system according to claim 2, wherein the output end of the voice recognition circuit is further connected with a speaker.
9. The bicycle riding signal control system according to claim 3, wherein the fan circuit comprises a first resistor, a second resistor, a third resistor, a first triode and a fan motor;
one end of the first resistor is connected with the control module, the other end of the first resistor is connected with one end of the second resistor and the base electrode of the first triode respectively, one end of the third resistor is connected to the power supply, the other end of the third resistor is connected with the positive electrode of the fan motor, the negative electrode of the fan motor is connected with the collector electrode of the first triode, and the emitting electrode of the first triode and the other end of the second resistor are connected to the ground.
10. The bicycle riding signal control system of claim 1, wherein the first circuit board further comprises a first power module, the first power module comprising a power generation circuit and a voltage reduction circuit.
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| CN202020569953.0U CN211786681U (en) | 2020-04-16 | 2020-04-16 | Bicycle riding signal control system |
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| CN202020569953.0U CN211786681U (en) | 2020-04-16 | 2020-04-16 | Bicycle riding signal control system |
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