CN105711491A - Hold-triggered door opening acousto-optic attention device in automobile stopping process - Google Patents
Hold-triggered door opening acousto-optic attention device in automobile stopping process Download PDFInfo
- Publication number
- CN105711491A CN105711491A CN201610040969.0A CN201610040969A CN105711491A CN 105711491 A CN105711491 A CN 105711491A CN 201610040969 A CN201610040969 A CN 201610040969A CN 105711491 A CN105711491 A CN 105711491A
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- Prior art keywords
- resistance
- circuit
- acousto
- door opening
- operational amplifier
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q5/00—Arrangement or adaptation of acoustic signal devices
- B60Q5/005—Arrangement or adaptation of acoustic signal devices automatically actuated
- B60Q5/006—Arrangement or adaptation of acoustic signal devices automatically actuated indicating risk of collision between vehicles or with pedestrians
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
- B60Q9/008—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for anti-collision purposes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Emergency Alarm Devices (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention provides a hold-triggered door opening acousto-optic attention device in an automobile stopping process. The hold-triggered door opening acousto-optic attention device is characterized by comprising a 12V direct current power supply, an inter-digital touching electrode voltage division circuit, a voltage comparison circuit, an acousto-optic attention driving and time delay circuit, wherein the type of an operational amplifier IC1 in the voltage comparison circuit is LM324. As the automobile door opening is taken by surprise, accidents caused by that always induce very severe injuries, in particular electric bicycles which can be driven very fast are increased rapidly in recent years, the probability of such accidents is further increased. The hold-triggered door opening acousto-optic attention device in the automobile stopping process, disclosed by the invention, utilizes the electronic technology skill, is made by a few electronic components, and is used for prompting passengers of paying attention to observe the electric bicycle running situation behind the automobile and further reminding the driver behind of avoiding by the blue tail lights of the automobile.
Description
Technical field
The invention belongs to technical field of automotive electronics, be to hold triggering parking of automobile door opening acousto-optic about one
Alarming device.
Background technology
The accident caused because of automobile door opening, the injury majority caused is the most serious, because door opening is
It is taken by surprise.Particularly being skyrocketed through recently as electric bicycle, speed is the most too fast also allows this type of
The probability of happening of accident increases further.Incomplete statistics according to traffic: in this kind of accident, relate to
The ratio having an accident to electric bicycle and taxi about about 30%, the accident ratio that automobile door opening causes
About about 60%, the accident that other types opening door of vehicle causes is about about 10%.
The traffic police processing this type of vehicle accident explain, this is because major part taxi driver point takes by force for striving
Second, inadequate specification when often stopping, forget the most again passenger is carried out the prompting of necessity, during passenger's door opening
Having neglected and car door first should have been opened a crack and observe, result causes passenger door opening pedestrian accident to happen occasionally.
In the accident that taxi and car cause, mostly opened what car door caused by passenger, and driven by driver
The accident that door causes also occupies certain proportion.
" door opening " is the most at utmost avoided to have an accident？The heaviest being intended to chooses parking of automobile position,
A crack is first opened during door opening！Car with the door open before reply pedestrian below, below Vehicular behavior enter
Row is conscientiously observed and judges, can get off by door opening greatly after confirming safety, especially taxi drive the person of making should be
Prompting timely to rider before door opening；In addition to driver, personnel get off from car right side as far as possible by bus.
As the participant of traffic, electric motor car of either riding on driver, the passenger ridden or road
People and pedestrian will note safety during parking of automobile.
Triggering parking of automobile door opening acousto-optic warning device of holding of the present invention utilizes electronic technology means,
Using a small amount of electronic devices and components to make, the present invention reminds personnel by bus to notice that when opening car door observation follows car closely
After electric motor car ruuning situation, remind cyclist below to note dodging by the blue taillight after automobile simultaneously.
Triggering parking of automobile door opening acousto-optic warning device of holding of the present invention described further below is being implemented
Necessity, guardian technique content involved by during.
Summary of the invention
Goal of the invention and beneficial effect: the accident caused because of automobile door opening, the injury majority caused is the most non-
Chang Yanchong, because door opening is taken by surprise.Particularly it is skyrocketed through recently as electric bicycle,
Speed is the most too fast also allows the probability of happening of this type of accident increase further.Of the present invention hold triggering vapour
Car parking door opening acousto-optic warning device utilizes electronic technology means, uses a small amount of electronic devices and components to make, this
Invention reminds personnel by bus to note the electric motor car ruuning situation observed after following car closely when opening car door, leads to simultaneously
Crossing the blue taillight after automobile reminds cyclist below to note dodging.
Circuit operation principle: of the present invention holding triggers parking of automobile door opening acousto-optic warning device, when
Hold interdigital touch electrode CM1～CM4 on car door internal handle wherein any one time, beat at car door
The moment opened, between two electrodes of interdigital touch electrode, be equivalent to 1 equivalent resistance of access in parallel,
Its resistance is generally less than 0.5M Ω, now causes the voltage distribution of bleeder circuit to change, operational amplifier
The dividing potential drop that IC1 is taken by linear potentiometer RP changes therewith, and the comparator in operational amplifier IC1 is rapid
Upset, the 1st foot output high level of operational amplifier IC1 excites enhancement mode N-channel field effect transistor VT1 to lead
Logical, the conducting of enhancement mode N-channel field effect transistor VT1, make acousto-optic warning drive circuit obtain electric starting working.
Electrochemical capacitor C1, for maintaining the high potential of enhancement mode N-channel field effect transistor VT1 grid, makes acousto-optic warning drive
Galvanic electricity road maintenance work 3～8 seconds.
Technical scheme: hold triggering parking of automobile door opening acousto-optic warning device, it include 12V DC source,
Interdigital touch electrode bleeder circuit, voltage comparator circuit, acousto-optic warning drive and delay circuit, its feature
It is:
Interdigital touch electrode bleeder circuit: it is by 4 interdigital touch electrode CM1～CM4 in parallel, electricity
Resistance R1, linear potentiometer RP composition, the 3rd foot of operational amplifier IC1 connects 4 interdigitals in parallel and touches
One end of electrode CM1～CM4 and one end of resistance R1,4 interdigital touch electrode CM1～CM4 in parallel
The other end be connected with circuit anode VCC with the other end of resistance R1, linear potentiometer RP one termination fortune
Calculate the 3rd foot of amplifier IC1, the other end of linear potentiometer RP and movable end connection circuit ground GND thereof；
Voltage comparator circuit: it is made up of operational amplifier IC1, resistance R2 and resistance R3, operational amplifier
The model that IC1 selects is LM324, one end of the 2nd foot connecting resistance R2 of operational amplifier IC1 and resistance R3
One end, the other end of resistance R2 and the 4th foot connection circuit positive pole VCC of operational amplifier IC1, resistance R3
The other end and operational amplifier IC1 the 11st foot connection circuit ground GND；
Acousto-optic warning drives and delay circuit: it is by resistance R4, electrochemical capacitor C1, enhancement mode N-channel field effect
Should pipe VT1, high loudness piezoelectric buzzer HA, blue LED LED1～LED2, resistance R5 and
Resistance R6 forms, and the 1st foot of operational amplifier IC1 connects enhancement mode N-channel field effect transistor by resistance R4
The grid of VT1, the positive pole of electrochemical capacitor C1 connects the 1st foot of operational amplifier IC1, and electrochemical capacitor C1's is negative
Connection circuit ground, pole GND, the drain electrode of enhancement mode N-channel field effect transistor VT1 connects high loudness piezoelectric buzzer
The negative pole of HA and the negative pole of blue LED LED1 and the negative pole of blue LED LED2, Gao Xiang
The positive pole connection circuit positive pole VCC of degree piezoelectric buzzer HA, the positive pole of blue LED LED1 passes through
Resistance R5 connection circuit positive pole VCC, the positive pole of blue LED LED2 passes through resistance R6 connection circuit positive pole
VCC, the source electrode connection circuit ground GND of enhancement mode N-channel field effect transistor VT1；
12V DC power anode is connected with circuit anode VCC, 12V DC power cathode and circuit ground GND phase
Even.
Accompanying drawing explanation
Accompanying drawing 1 is that the present invention provides one to hold the embodiment triggering parking of automobile door opening acousto-optic warning device
Circuit fundamental diagram.
Detailed description of the invention
According to shown in the drawings hold triggering parking of automobile door opening acousto-optic warning device circuit fundamental diagram and
Accompanying drawing illustrates, and according to annexation, Yi Jishi between components and parts in each several part circuit described in summary of the invention
Execute the components and parts technical parameter described in mode and require that carrying out enforcement with circuit production main points can realize this
Bright, below in conjunction with embodiment, the correlation technique of the present invention is further described.
The technical parameter of components and parts and selection requirement thereof
IC1 is operational amplifier, and the model of selection is LM324, and it uses 14 foot dual-in-line Plastic Package
Form；Internal circuit at it comprises four groups of identical operational amplifiers of form, in addition to power sharing,
Four groups of amplifiers are separate, only used a group in four groups of operational amplifier LM324 in the present embodiment；
VT1 is enhancement mode N-channel field effect transistor, and the model of selection is IRFZ22；
RP is linear potentiometer, and the resistance of employing is 270K Ω, power is 1/2W solid potentiometer；
Resistance all uses metalfilmresistor, and power is 1/4W；Resistance R1 resistance is 430K Ω；Resistance R2
Resistance is 430K Ω；The resistance of resistance R3 is 220K Ω；The resistance of resistance R4 is 33K Ω；Resistance R5's
Resistance is 780 Ω, and the resistance of resistance R6 is 780 Ω；
C1 is electrochemical capacitor, and its range of capacity is 33～100 μ F/25V, and its capacity determines according to delay time；
LED1～LED2 is blue LED, selects high-power and high-luminance blue LED；
HA is high loudness piezoelectric buzzer, and running voltage is 9～15V.
Circuit production main points and circuit debugging
The making of interdigital touch electrode CM1～CM4: interdigital touch electrode can use a size of 12mm
The epoxy resin copper foil plate of × 12mm is scribed；
Fairly simple because holding the circuit structure triggering parking of automobile door opening acousto-optic warning device, as long as selecting
Electronic devices and components performance intact, and the components and parts annexation in accompanying drawing is welded to specifications, thing
Reason connecting line and welding quality are after going through correctly, and the circuit of the present invention has only to carry out simply
Debugging can normally work；
After circuit ON 12 DC source, the 3rd foot voltage of measuring operational amplifier IC1 should be 4V,
Interdigital touch electrode CM1～CM4 held on car door internal handle wherein any one time, make computing
The current potential of the 3rd foot of amplifier IC1 the 2nd foot voltage higher than operational amplifier IC1；
Electrochemical capacitor C1, for maintaining the grid high potential of enhancement mode N-channel field effect transistor VT1, makes acousto-optic alert
Show that drive circuit is able to maintain that work 3～8 seconds.
The circuit components layout of the present invention, circuit structure design, its shape of outward appearance and size etc.
It is not the key technology of the present invention, is not claimed guardian technique content, because of not shadow
Ring specific implementation process of the present invention, therefore illustrate the most one by one.
Claims (1)
1. holding a triggering parking of automobile door opening acousto-optic warning device, it includes 12V DC source, fork
Finger formula touch electrode bleeder circuit, voltage comparator circuit, acousto-optic warning drive and delay circuit, and its feature exists
In:
Described interdigital touch electrode bleeder circuit by 4 interdigital touch electrode CM1～CM4 in parallel,
Resistance R1, linear potentiometer RP form, and the 3rd foot of operational amplifier IC1 connects 4 interdigitals in parallel and touches
Touch one end and one end of resistance R1 of electrode CM1～CM4,4 interdigital touch electrode CM1～CM4 in parallel
The other end be connected with circuit anode VCC with the other end of resistance R1, linear potentiometer RP one termination fortune
Calculate the 3rd foot of amplifier IC1, the other end of linear potentiometer RP and movable end connection circuit ground GND thereof；
Described voltage comparator circuit is made up of operational amplifier IC1, resistance R2 and resistance R3, operation amplifier
The model that device IC1 selects is LM324, one end of the 2nd foot connecting resistance R2 of operational amplifier IC1 and resistance
One end of R3, the other end of resistance R2 and the 4th foot connection circuit positive pole VCC of operational amplifier IC1, resistance
The other end of R3 and the 11st foot connection circuit ground GND of operational amplifier IC1；
Described acousto-optic warning drives and delay circuit is by resistance R4, electrochemical capacitor C1, enhancement mode N-channel field
Effect pipe VT1, high loudness piezoelectric buzzer HA, blue LED LED1～LED2, resistance R5
And resistance R6 composition, the 1st foot of operational amplifier IC1 connects enhancement mode N-channel field effect by resistance R4
The grid of pipe VT1, the positive pole of electrochemical capacitor C1 meets the 1st foot of operational amplifier IC1, electrochemical capacitor C1
Negative pole connection circuit ground GND, the drain electrode of enhancement mode N-channel field effect transistor VT1 connects high loudness piezoelectric ceramics buzzing
The negative pole of device HA and the negative pole of blue LED LED1 and the negative pole of blue LED LED2 are high
The positive pole connection circuit positive pole VCC of loudness piezoelectric buzzer HA, the positive pole of blue LED LED1 leads to
Crossing resistance R5 connection circuit positive pole VCC, the positive pole of blue LED LED2 is by resistance R6 connection circuit just
Pole VCC, the source electrode connection circuit ground GND of enhancement mode N-channel field effect transistor VT1；
Described 12V DC power anode is connected with circuit anode VCC, 12V DC power cathode and circuit ground
GND is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610040969.0A CN105711491A (en) | 2016-01-21 | 2016-01-21 | Hold-triggered door opening acousto-optic attention device in automobile stopping process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610040969.0A CN105711491A (en) | 2016-01-21 | 2016-01-21 | Hold-triggered door opening acousto-optic attention device in automobile stopping process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105711491A true CN105711491A (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610040969.0A Pending CN105711491A (en) | 2016-01-21 | 2016-01-21 | Hold-triggered door opening acousto-optic attention device in automobile stopping process |
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| Country | Link |
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| CN (1) | CN105711491A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0835882A (en) * | 1994-07-25 | 1996-02-06 | Murata Mfg Co Ltd | Pyroelectric infrared sensor circuit and infrared detection circuit |
| CN101459995A (en) * | 2007-12-12 | 2009-06-17 | 鸿富锦精密工业（深圳）有限公司 | Background lamp control circuit for electronic device |
| CN103675606A (en) * | 2013-12-07 | 2014-03-26 | 国家电网公司 | Bridge type direct-current fault monitoring alarm |
| CN104149686A (en) * | 2014-07-21 | 2014-11-19 | 刘举柱 | Acousto-optic door opening reminder for minicar to pull over to drop off passengers |
| CN205292415U (en) * | 2016-01-21 | 2016-06-08 | 王志 | Hold and trigger a car parking driving door sound and light warning device |
-
2016
- 2016-01-21 CN CN201610040969.0A patent/CN105711491A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0835882A (en) * | 1994-07-25 | 1996-02-06 | Murata Mfg Co Ltd | Pyroelectric infrared sensor circuit and infrared detection circuit |
| CN101459995A (en) * | 2007-12-12 | 2009-06-17 | 鸿富锦精密工业（深圳）有限公司 | Background lamp control circuit for electronic device |
| CN103675606A (en) * | 2013-12-07 | 2014-03-26 | 国家电网公司 | Bridge type direct-current fault monitoring alarm |
| CN104149686A (en) * | 2014-07-21 | 2014-11-19 | 刘举柱 | Acousto-optic door opening reminder for minicar to pull over to drop off passengers |
| CN205292415U (en) * | 2016-01-21 | 2016-06-08 | 王志 | Hold and trigger a car parking driving door sound and light warning device |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160629 |
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| WD01 | Invention patent application deemed withdrawn after publication |