CN208248075U - A kind of portable accelerator and brake Anti-mis-stepping alarm set of piezo-electric type - Google Patents
A kind of portable accelerator and brake Anti-mis-stepping alarm set of piezo-electric type Download PDFInfo
- Publication number
- CN208248075U CN208248075U CN201820867041.4U CN201820867041U CN208248075U CN 208248075 U CN208248075 U CN 208248075U CN 201820867041 U CN201820867041 U CN 201820867041U CN 208248075 U CN208248075 U CN 208248075U
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- brake
- piezoelectric film
- film sensor
- throttle
- alarm set
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Abstract
The utility model discloses a kind of portable accelerator and brake Anti-mis-stepping alarm sets of piezo-electric type, it is characterised in that includes throttle piezoelectric film sensor, brake piezoelectric film sensor, the first signal processor, second signal processor, controller and alarm set.The throttle piezoelectric film sensor and brake piezoelectric film sensor is separately mounted in automotive throttle and brake pedal, is all made of PVDF piezoelectric film sensor；First signal processor and second signal processor is connected with throttle piezoelectric film sensor and brake piezoelectric film sensor respectively；The controller controls whole device, and output end is connected with the input terminal of alarm set；The alarm set contains voice device and flash lamp device.Present apparatus structure is simple, good reliability, can not only step on the gas or brake to driver carries out difference prompting, moreover it is possible to be that normal operating or emergency operation carry out difference prompting to driver, further enhance Anti-mis-stepping and remind effect.
Description
Technical field
The utility model relates to a kind of accelerator and brake Anti-mis-stepping alarm set more particularly to a kind of portable throttles of piezo-electric type
Brake Anti-mis-stepping alarm set.
Background technique
With the increasingly raising of Living consumption, automobile industry is rapidly developed, traffic safety problem increasingly by
To concern.For the vehicle of the current overwhelming majority, the gas pedal and brake pedal of automobile are arranged at below operator seat
And between the two apart from closer, controlled by driver's right crus of diaphragm.It is some in emergency circumstances, driver due to psychological stress,
Mis-accelerator pressing is easy as brake, to cause traffic accident.Caused by occurring due to driver's operation error again and again
Bloody accident, more and more researchers begin to focus on accelerator and brake Anti-mis-stepping problem.Existing accelerator and brake is anti-error
Stepping on alarm set mainly uses ordinary sensors to detect, and circuit is complicated and unreliable；In addition, existing major part accelerator and brake
It is in state of stepping on the gas or to touch on the brake state, but cannot distinguish between that Anti-mis-stepping alarm set, which can only simply distinguish driver at that time,
It is normally step on the gas state or state of promptly stepping on the gas.In general, the hot refueling if driver steps on the gas suddenly, having very much can
It can be the case where mis-accelerator pressing is as brake.For this status, we invent a kind of simple structure, good reliability, can not only
Distinguish driver be accelerator pedal at that time or touched on the brake pedal, and can distinguish be normally step on the gas or brake pedal or
Promptly step on the gas or a kind of portable accelerator and brake Anti-mis-stepping alarm set of piezo-electric type of brake pedal.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the utility model provides a kind of portable throttle of piezo-electric type
Brake Anti-mis-stepping alarm set, and throttle piezoelectric film sensor is mounted on accelerator pedal of automobile, brake piezoelectric membrane sensing
Device is mounted on brake-pedal of automobile, when pedal is stepped on the throttle in driver's normal operating, the impression of throttle piezoelectric film sensor
To the normal pressure of stepping on the gas from driver foot, normal communication electric signal is generated, which passes through the first signal processor
Controller is transmitted to after processing, controller output signal controls alarm set, and voice device prompts a sound " throttle "；Similarly,
When brake pedal is stepped in driver's normal operating, brake piezoelectric film sensor experiences touching on the brake from driver foot
Normal pressure, generates normal communication electric signal, which is transmitted to controller after the processing of second signal processor, controls
Device output signal controls alarm set, and voice device prompts a sound " brake "；When an emergency situation is encountered driver's emergency operation,
Driver fault misstepping on accelerator is as brake, and the violent accelerator pedal of right crus of diaphragm, throttle piezoelectric film sensor is detected than normally grasping at this time
Bigger driver's foot pressure when making, and strong ac signal is converted to, the signal is after the first signal processor processes
It is transmitted to controller, then controls alarm set, voice device prompts continuous sound " throttle, throttle, throttle ... ", while flashing light
Device issues the red light of flashing with report of warning.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of portable accelerator and brake of piezo-electric type is anti-
Alarm set is accidentally stepped on, includes throttle piezoelectric film sensor, brake piezoelectric film sensor, the first signal processor, second
Signal processor, controller and alarm set.
The throttle piezoelectric film sensor and brake piezoelectric film sensor is separately mounted to automotive throttle and brake
On pedal, it is all made of PVDF piezoelectric film sensor.
First signal processor and second signal processor is pressed with throttle piezoelectric film sensor and brake respectively
Conductive film sensor is connected, and effect is that the faint normal communication electric signal for generating piezoelectric film sensor passes through signal
Current rectifying and wave filtering circuit and amplifying circuit built in processor are converted into direct current amplification electric signal, then export to controller.
The controller uses single-chip microcontroller, and the output end of controller is connected with the input terminal of alarm set.
The alarm set contains voice device and flash lamp device, and voice device is good and cheap using acoustical quality
ISD1760 speech chip, flash lamp device use strobe light device, and flashing light frequency is generated by throttle piezoelectric film sensor
Piezoelectric signal frequency determines.
The portable accelerator and brake Anti-mis-stepping alarm set of a kind of piezo-electric type provided by the utility model has following beneficial to effect
Fruit:
1, the utility model uses PVDF piezoelectric film sensor, it can be directly by driver foot to gas pedal or brake
The pressure conversion of vehicle pedal is at ac signal, and the signal magnitude generated is directly proportional to suffered pressure, therefore has structure
Simply, the advantages that reliable operation, the linearity are high, range ability is big.
2, the utility model can not only be that accelerator pedal or the pedal that touches on the brake carry out difference prompting at that time to driver,
It can also be normally to step on the gas or brake pedal or promptly step on the gas or brake pedal carries out difference prompting to driver, further
It enhances Anti-mis-stepping and reminds effect.
3, throttle and brake piezoelectric film sensor are directly installed in automotive throttle and brake pedal respectively, installation side
Just, the design of detachable portable is small to the change of existing vehicle structure, saves fund.
Detailed description of the invention
Fig. 1 is a kind of module connection signal of the portable accelerator and brake Anti-mis-stepping alarm set of piezo-electric type of the utility model
Figure.
Fig. 2 is a kind of use schematic diagram of the portable accelerator and brake Anti-mis-stepping alarm set of piezo-electric type of the utility model.
Fig. 3 is the circuit structure diagram of throttle piezoelectric film sensor and the first signal processor.
Fig. 4 is the piezoelectricity alternating signal waveform diagram generated in the case of normal operating and two kinds of emergency operation.
Description of symbols: 1 gas pedal, 2 brake pedals, 3 throttle piezoelectric film sensors, 301 throttle piezoelectric membranes
Sensor equivalent voltage source circuit, 4 brake piezoelectric film sensors, 5 first signal processors, 501 current rectifying and wave filtering circuits, 502
Amplifying circuit, 6 second signal processors, 7 controllers, 8 alarm sets, 801 voice devices, 802 flash lamp devices, 12 normal communications
Electric signal, the last 13 ac signal.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
As illustrated in fig. 1 and 2, the portable accelerator and brake Anti-mis-stepping alarm set of a kind of piezo-electric type of the utility model, including oil
Door piezoelectric film sensor 3, brake piezoelectric film sensor 4, the first signal processor 5, second signal processor 6, controller
7, alarm set 8.Throttle piezoelectric film sensor 3 is mounted on accelerator pedal of automobile 1, and brake piezoelectric film sensor 4 is installed
On brake-pedal of automobile 2；First signal processor 5 is connected with throttle piezoelectric film sensor 3, second signal processor 6
It is connected with brake piezoelectric film sensor 4；Controller 7 controls whole device, input terminal and the first signal processor 5 and the
Binary signal processor 6 is connected, and output end is connected with the input terminal of alarm set 8.
As shown in figure 3, the circuit structure diagram of throttle piezoelectric film sensor 3 and the first signal processor 5 is by throttle piezoelectricity
Thin film sensor equivalent voltage source circuit 301, current rectifying and wave filtering circuit 501 and amplifying circuit 502 form.Throttle piezoelectric membrane sensing
Device equivalent voltage source circuit 301 is by equivalent capacity C0And charge Q0Connection composition, therefore the generation of throttle piezoelectric film sensor 3
Equivalent voltage U0For U0=C0/C0；Current rectifying and wave filtering circuit 501 and amplifying circuit 502 are by diode group D, filter capacitor C1, resistance
R1, resistance R2, resistance Rf, operational amplifier U connection composition.The electricity of brake piezoelectric film sensor 4 and second signal processor 6
Line structure figure is similarly.The circuit can realize that the faint ac signal for generating piezoelectric film sensor is rectified, filtered, put
Direct current amplification electric signal after processing is then transmitted to controller 7 by big processing.
As shown in figure 4, when pedal 1 or brake pedal 2 are stepped on the throttle in driver's normal operating, throttle piezoelectric membrane sensing
Device 3 or brake piezoelectric film sensor 4 will generate normal communication electric signal 12, when driver's emergency operation is stepped on the throttle pedal 1
Or when brake pedal 2, throttle piezoelectric film sensor 3 or brake piezoelectric film sensor 4 will generate strong ac signal 13.
A kind of working principle of the portable accelerator and brake Anti-mis-stepping alarm set of piezo-electric type described in the utility model is as follows:
When pedal 1 is stepped on the throttle in driver's normal operating, throttle piezoelectric film sensor 3 is experienced from driver's foot
The normal pressure of stepping on the gas in portion, generates normal communication electric signal 12, which transmits after the processing of the first signal processor 5
To controller 7,7 output signal of controller controls alarm set 8, and voice device 801 prompts a sound " throttle "；When encountering urgent feelings
When condition driver's emergency operation, driver fault misstepping on accelerator is as brake, the violent accelerator pedal 1 of right crus of diaphragm, at this time throttle piezoelectric membrane
The driver's foot pressure bigger when detecting than normal operating of sensor 3, and strong ac signal 13 is converted to, signal warp
It is transmitted to controller 7 after the processing of first signal processor 5, then controls alarm set 8, voice device 801 prompts continuous sound
" throttle, throttle, throttle ... ", while flash lamp device 802 issues the red light of flashing with report of warning.Similarly, when driver is normal
When brake pedal 2 is stepped in operation, brake piezoelectric film sensor 4 experiences the normal pressure that touches on the brake from driver foot,
Normal communication electric signal 12 is generated, which is transmitted to controller 7 after the processing of second signal processor 6, and controller 7 is defeated
Signal controls alarm set 8 out, and voice device 801 prompts a sound " brake "；When driver promptly steps on brake pedal 2, stop
Vehicle piezoelectric film sensor 4 experiences biggish pressure, generates strong ac signal 13, which passes through second signal processor
Controller 7 is transmitted to after 6 processing, 7 output signal of controller controls alarm set 8, and voice device 801 prompts continuous sound " to stop
Vehicle, brake, brake ... ", while flash lamp device 802 issues the red light of flashing with report of warning.
Embodiment described above is the most preferred embodiment of the utility model, but not to limit the utility model.?
In the case where the utility model principle, those skilled in the art can make various corresponding according to the utility model
Change and modification, but these corresponding changes and modifications all should belong within scope of the claims belonging to the utility model.
Claims (2)
1. a kind of portable accelerator and brake Anti-mis-stepping alarm set of piezo-electric type, it is characterised in that include throttle piezoelectric membrane sensing
Device, brake piezoelectric film sensor, the first signal processor, second signal processor, controller and alarm set；The oil
Door piezoelectric film sensor and brake piezoelectric film sensor are separately mounted in automotive throttle and brake pedal；Described first
Signal processor and second signal processor are connected with throttle piezoelectric film sensor and brake piezoelectric film sensor respectively；
The controller controls whole device, and output end is connected with the input terminal of alarm set；The alarm set contains language
Mixer and flash lamp device.
2. the portable accelerator and brake Anti-mis-stepping alarm set of a kind of piezo-electric type according to claim 1, which is characterized in that institute
The throttle piezoelectric film sensor and brake piezoelectric film sensor stated are all made of PVDF piezoelectric film sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820867041.4U CN208248075U (en) | 2018-05-28 | 2018-05-28 | A kind of portable accelerator and brake Anti-mis-stepping alarm set of piezo-electric type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820867041.4U CN208248075U (en) | 2018-05-28 | 2018-05-28 | A kind of portable accelerator and brake Anti-mis-stepping alarm set of piezo-electric type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208248075U true CN208248075U (en) | 2018-12-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820867041.4U Expired - Fee Related CN208248075U (en) | 2018-05-28 | 2018-05-28 | A kind of portable accelerator and brake Anti-mis-stepping alarm set of piezo-electric type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208248075U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109774706A (en) * | 2018-12-27 | 2019-05-21 | 淮阴工学院 | A kind of intelligent braking and throttle judge switching system and its switching method |
| CN110329148A (en) * | 2019-07-11 | 2019-10-15 | 际华三五一四制革制鞋有限公司 | Vehicle security drive alarm set based on intelligent driving shoes |
-
2018
- 2018-05-28 CN CN201820867041.4U patent/CN208248075U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109774706A (en) * | 2018-12-27 | 2019-05-21 | 淮阴工学院 | A kind of intelligent braking and throttle judge switching system and its switching method |
| CN110329148A (en) * | 2019-07-11 | 2019-10-15 | 际华三五一四制革制鞋有限公司 | Vehicle security drive alarm set based on intelligent driving shoes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20181218 Termination date: 20190528 |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Tang Ying Document name: Notification of Termination of Patent Right |