CN205574133U - Appearance is reminded to non -motor safety - Google Patents

Abstract

The utility model discloses an appearance is reminded to non -motor safety, remind lamp, power module including signal acquisition module, AD module, MCU module, bee calling organ, independent button, enlarged module, pulse generation module, LED, the output of signal acquisition module with the input electric connection of AD module, the output of AD module with the input electric connection of MCU module, independent button with the input electric connection of MCU module, the output of MCU module respectively with bee calling organ enlarge the module the input the input electric connection of pulse generation module, enlarge the module the output the output of pulse generation module respectively with LED reminds the input electric connection of lamp, the signal acquisition module includes film pressure sensor, photosensitive sensor module. The utility model discloses can effectively remind rear pedestrian and vehicle than the dark place at light, prevent the emergence of rear -end collision.

Description

Bicycle safety reminder

Technical field

This utility model relates to a kind of bicycle safety reminder, belongs to speed-reduction prompting device technical field.

Background technology

Under country advocates the situation of " energy-saving and emission-reduction ", more and more people select the bicycle such as bicycle, electric motor car to go on a journey.But this transport facility there is also the drawback of self: in dark, easily cause and knock into the back, and there is no braking warning system, there is certain danger.To this, it is necessary to propose a kind of sound-light reminding device, give rear car to remind in daily occasion such as accident-prone time such as especially night, snowfield etc., so can reduce rear-end collision incidence rate.Currently existing scheme is brake touch switch warning system (patent publication No.: CN201033604Y) at present, no doubt can trigger prompting, but there is also other problems: one, at dark, in the case of not triggering brake, the car rear-end easily run at high speed；Its two, trigger switch the degree of stopping of drawing be certain, if power is little it is possible to do not trigger switch；3rd, it is impossible to according to brake in various degree, give prompting in various degree (i.e. brake have emergency brake gentle stop point).

Utility model content

The purpose of this utility model is the defect overcoming prior art to exist, and solves above-mentioned technical problem, proposes a kind of bicycle safety reminder.This device can not only make rear vehicle lamp flash to remind rear car when not braking, and there is car in front；And when brake, this device can also send the signal of respective strengths according to different braking strengths, allows the braking state knowing front truck that rear car is clearer.

nullThis utility model adopts the following technical scheme that bicycle safety reminder，It is characterized in that，Including signal acquisition module、A/D module、MCU module、Buzzer、Independent keys、Amplification module、Pulses generation module、LED attention gatter、Power module，The outfan of described signal acquisition module electrically connects with the input of described A/D module，The outfan of described A/D module electrically connects with the input of described MCU module，Described Independent keys electrically connects with the input of described MCU module，The outfan of described MCU module respectively with described buzzer、The input of described amplification module、The input of described pulses generation module electrically connects，The outfan of described amplification module、The outfan of described pulses generation module input with described LED attention gatter respectively electrically connects，Described signal acquisition module includes diaphragm pressure sensor、Photosensitive sensor module，Described power module respectively with described diaphragm pressure sensor、Described photosensitive sensor module、Described pulses generation module、Described LED attention gatter、Described MCU module electrically connects，Described Independent keys is used for determining LED attention gatter、Whether the work of buzzer and pulses generation module.

Preferably, diaphragm pressure sensor is closely set on brake handle, Independent keys is fixedly installed on brake handle, photosensitive sensor module is arranged in front bicycle beam, LED attention gatter, buzzer are arranged at tailstock end, and A/D module, pulses generation module, amplification module, MCU module, power module may be contained within below-seat.

Preferably, A/D module uses ADC0808, and the analogue signal producing diaphragm pressure sensor and photosensitive sensor module processes, and produces corresponding digital data transmission to MCU module.

Preferably, pulses generation module uses 555 intervalometers, 555 intervalometers to use RC oscillating circuit, be used for producing low-frequency pulse, make light flash.

Preferably, amplification module uses LM324 integrated operational amplifier, is used for being amplified the PWM square wave of MCU module output, is then output to LED attention gatter.

Preferably, LED attention gatter uses 3mm, round end, the light emitting diode that glows, after light emitting diode receives the instruction of MCU module, light emitting diode is by luminous shinny timely prompting rear pedestrian or vehicle, front electric motor car slows down, and regulates the brightness of self according to the PWM of the different duty of MCU module output.

Preferably, MCU module uses STC89C52 single-chip microcomputer, is used for processing the digital signal of A/D module output, work order is sent to LED attention gatter, buzzer.

Preferably, the rated voltage of power module is 5V.

The beneficial effect that this utility model is reached: (1) this utility model can effectively remind rear pedestrian and vehicle at dark, prevents the generation of rear-end collision；(2) scope of application of the present utility model is very wide, may be installed on all kinds of bicycle；(3) this utility model can be reminded rear car to be emergency brake or slow stop according to the brake of different dynamics, allow rear car more specifically understand the braking state of front truck.

Accompanying drawing explanation

Fig. 1 is mounting structure schematic diagram of the present utility model.

Fig. 2 is that structure of the present utility model connects block diagram.

Fig. 3 is circuit connection diagram of the present utility model.

Detailed description of the invention

Below in conjunction with the accompanying drawings this utility model is further described.Following example are only used for clearly illustrating the technical solution of the utility model, and can not limit protection domain of the present utility model with this.

Fig. 1 is mounting structure schematic diagram of the present utility model.Diaphragm pressure sensor is closely set on brake handle, Independent keys is fixedly installed on brake handle, photosensitive sensor module is arranged in front bicycle beam, LED attention gatter, buzzer are arranged at tailstock end, and A/D module, pulses generation module, amplification module, MCU module, power module may be contained within below-seat.

Fig. 2 is that structure of the present utility model connects block diagram.nullThe utility model proposes bicycle safety reminder，Including signal acquisition module、A/D module、MCU module、Buzzer、Independent keys、Amplification module、Pulses generation module、LED attention gatter、Power module，The outfan of signal acquisition module electrically connects with the input of A/D module，The outfan of A/D module electrically connects with the input of MCU module，Independent keys electrically connects with the input of MCU module，The outfan of MCU module respectively with buzzer、The input of amplification module、The input of pulses generation module electrically connects，The outfan of amplification module、The outfan of pulses generation module input with LED attention gatter respectively electrically connects，Signal acquisition module includes diaphragm pressure sensor、Photosensitive sensor module，Power module respectively with diaphragm pressure sensor、Photosensitive sensor module、Pulses generation module、LED attention gatter、MCU module electrically connects，Independent keys is used for determining LED attention gatter、Whether the work of buzzer and pulses generation module.

Fig. 3 is circuit connection diagram of the present utility model.A/D module uses ADC0808, and the analogue signal producing diaphragm pressure sensor and photosensitive sensor module processes, and produces corresponding digital data transmission to MCU module.Pulses generation module uses 555 intervalometers, 555 intervalometers to use RC oscillating circuit, be used for producing low-frequency pulse, make light flash.Amplification module uses LM324 integrated operational amplifier, is used for being amplified the PWM square wave of MCU module output, is then output to LED attention gatter.

LED attention gatter uses 3mm, round end, the light emitting diode that glows, after light emitting diode receives the instruction of MCU module, light emitting diode is by luminous shinny timely prompting rear pedestrian or vehicle, front electric motor car slows down, and regulates the brightness of self according to the PWM of the different duty of MCU module output.MCU module uses STC89C52 single-chip microcomputer, is used for processing the digital signal of A/D module output, work order is sent to LED attention gatter, buzzer.The rated voltage of power module is 5V.

Operation principle of the present utility model: when driver pulls brake handle, diaphragm pressure sensor can produce voltage signal according to different powers, flow to A/D module process, A/D module will process after digital data transmission to STC89C52 single-chip microcomputer, STC89C52 single-chip microcomputer exports the PWM square wave of corresponding dutycycle at random according to the input signal of A/D module.This square wave, on the one hand via LM324 integrated operational amplifier, is then given LED attention gatter, is on the one hand directly connected on buzzer in order to drive buzzer.Further, it is also possible to according to actual needs, alarm mode (KEY1 pressing in Fig. 3 closes LED attention gatter, then by being once again turned on, controls buzzer with KEY2 equally) is controlled by Independent keys.If after single presses KEY3, then open flashing lamp pattern, photosensitive sensor module will detect light intensity, when cyclery sails at dark, STC89C52 single-chip microcomputer will be triggered and be run through triode switch (FLA in Fig. 3), be energized 555 intervalometers, produces low-frequency pulse and makes lamp flash, reminds rear car.

The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; on the premise of without departing from this utility model know-why; can also make some improvement and deformation, these improve and deformation also should be regarded as protection domain of the present utility model.

Claims (8)

1. null1. bicycle safety reminder，It is characterized in that，Including signal acquisition module、A/D module、MCU module、Buzzer、Independent keys、Amplification module、Pulses generation module、LED attention gatter、Power module，The outfan of described signal acquisition module electrically connects with the input of described A/D module，The outfan of described A/D module electrically connects with the input of described MCU module，Described Independent keys electrically connects with the input of described MCU module，The outfan of described MCU module respectively with described buzzer、The input of described amplification module、The input of described pulses generation module electrically connects，The outfan of described amplification module、The outfan of described pulses generation module input with described LED attention gatter respectively electrically connects，Described signal acquisition module includes diaphragm pressure sensor、Photosensitive sensor module，Described power module respectively with described diaphragm pressure sensor、Described photosensitive sensor module、Described pulses generation module、Described LED attention gatter、Described MCU module electrically connects，Described Independent keys is used for determining LED attention gatter、Whether the work of buzzer and pulses generation module.
2. Bicycle safety reminder the most according to claim 1, it is characterized in that, described diaphragm pressure sensor is closely set on brake handle, described Independent keys is fixedly installed on brake handle, described photosensitive sensor module is arranged in front bicycle beam, described LED attention gatter, described buzzer are arranged at tailstock end, and described A/D module, described pulses generation module, described amplification module, described MCU module, described power module may be contained within below-seat.
3. Bicycle safety reminder the most according to claim 1, it is characterized in that, described A/D module uses ADC0808, and the analogue signal producing diaphragm pressure sensor and photosensitive sensor module processes, and produces corresponding digital data transmission to MCU module.
4. Bicycle safety reminder the most according to claim 1, it is characterised in that described pulses generation module uses 555 intervalometers, described 555 intervalometers to use RC oscillating circuit, be used for producing low-frequency pulse, make light flash.
5. Bicycle safety reminder the most according to claim 1, it is characterised in that described amplification module uses LM324 integrated operational amplifier, is used for being amplified the PWM square wave of MCU module output, is then output to LED attention gatter.
6. Bicycle safety reminder the most according to claim 1, it is characterized in that, described LED attention gatter uses 3mm, round end, the light emitting diode that glows, after described light emitting diode receives the instruction of MCU module, light emitting diode is by luminous shinny timely prompting rear pedestrian or vehicle, front electric motor car slows down, and regulates the brightness of self according to the PWM of the different duty of MCU module output.
7. Bicycle safety reminder the most according to claim 1, it is characterised in that described MCU module uses STC89C52 single-chip microcomputer, is used for processing the digital signal of A/D module output, work order is sent to LED attention gatter, buzzer.
8. Bicycle safety reminder the most according to claim 1, it is characterised in that the rated voltage of described power module is 5V.