CN103963703A - Anti-collision system of electromagnetic automobile door - Google Patents
Anti-collision system of electromagnetic automobile door Download PDFInfo
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- CN103963703A CN103963703A CN201410229875.9A CN201410229875A CN103963703A CN 103963703 A CN103963703 A CN 103963703A CN 201410229875 A CN201410229875 A CN 201410229875A CN 103963703 A CN103963703 A CN 103963703A
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- car door
- circuit
- automobile door
- electromagnetic type
- limiting
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Abstract
The invention provides an anti-collision system of an electromagnetic automobile door. The anti-collision system is characterized in that a limiting control device and a control system thereof are arranged on an automobile door limiter, wherein the limiting control device comprises a bracket which is fixedly arranged on the inner wall of a limiting chamber of the automobile door limiter; a magnetic limiting claw is movably arranged on the bracket; a traction electromagnet is arranged above the bracket and corresponds to the magnetic limiting claw; a sawtooth groove adaptive to the magnetic limiting claw is formed in a limiting arm of the automobile door limiter. When an automobile door is opened, the control system enters a working state, a signal transmitting device and a signal receiving device detect whether a barrier exists outside the automobile door, if not, the automobile door is opened normally, and if yes, an indicating lamp of an alarming circuit is turned on, a buzzer buzzes to remind a user of possibly scratching the automobile door, and the limiting control device acts to draw the electromagnet to cut off power so as to release the magnetic limiting claw, so that the magnetic limiting claw is combined with the sawtooth groove in the limiting arm, the opening of the automobile door is stopped, and the automobile door is effectively protected.
Description
Technical field
The present invention relates to a kind of automobile protective field, relate to a kind of vehicle door anti-collision system, relate in particular to a kind of electromagnetic type automobile car door anti-collision system.
Background technology
Along with the raising of expanding economy and living standards of the people, automobile has been come into the family of each economic level.But for various reasons, vehicle door anti-collision system is perfect not to the utmost at present, and most of door-opening type automobile does not protect car door at the position of opening the door, and occasionally has car door to hit on some such as set one's teeth on edge at the obstacle, cause car door scratch, draw paint, bring spiritual unhappy and loss economically to car owner.Therefore, design a kind of effective vehicle door anti-collision system, can be effectively protected to realize when opening vehicle door is met existing obstacle.
Summary of the invention
The object of this invention is to provide a kind of electromagnetic type automobile car door anti-collision system, can be effectively protected to realize when opening vehicle door is met existing obstacle.
Electromagnetic type automobile car door anti-collision system of the present invention, comprises rod-pulling type car door limiter, it is characterized in that: limit control and control system thereof are installed on car door limiter; Wherein limit control comprises the support of the spacing chamber interior walls that is fixedly mounted on car door limiter, and on support, is movably installed with magnetic position-limited claw; Above support, the position of magnetropism position-limited claw is provided with to tractive magnet; On the position limit arm of car door limiter, be carved with the serrated slot suitable with magnetic position-limited claw.
Described control system comprises signal generator, sender unit, signal receiving device, filter circuit, signal amplifier, rectifying circuit and warning circuit; The power supply of control system is automobile storage battery, and power supply is connected with signal generator by a main supply switch; Sender unit, signal receiving device are installed on side by side automobile and open reveal lower edge; The mouth of signal receiving device connects filter circuit; Signal amplification circuit input end connects filter circuit, and its mouth connects rectifying circuit; The input end of warning circuit connects the mouth of rectifying circuit.
The function of signal generator is that the direct current signal that system power supply automobile storage battery is provided is converted to AC signal.In order to reduce costs, we adopt square-wave oscillator circuit as signal generator.
Sender unit adopts the light-emitting diode of IR wavelength; Signal receiving device is photo-transistor; Sender unit and signal receiving device are installed in side by side automobile and open reveal lower edge.In the time that opening vehicle door runs into obstacle object, the photoelectric subassembly sensing head of sender unit reflexes to signal receiving device utilizing emitted light, and the photoelectric subassembly sense side head of signal receiving device, according to the size of volume reflection signal, is judged the distance of object from car door.
Accessible in order precisely to have judged whether, connect filter circuit at the mouth of signal receiving device.Second order active bandpass filiter circuit for this filter circuit, and central frequency is designed to signal transmitting frequency, to eliminate the interference of other frequencies.
The function of signal amplification circuit is to make signal amplitude variation more obvious, to reach the voltage that drives tractive magnet.Signal amplification circuit adopts two-stage series connection signal amplification circuit.Signal amplification circuit input end connects filter circuit, and its mouth connects rectifying circuit, to prevent that limiting device is because signal fluctuation causes misoperation.Rectifying circuit adopts no controlled rectifier with capacitor filter.
Warning circuit is made up of the indicator lamp of connecting, buzzer phone and switch; The input end of warning circuit connects the mouth of rectifying circuit.
In the time that arrangements for automotive doors is opened, main supply switch is opened, whole control system work, and whether inspection vehicle has obstacle near outdoors.As do not have obstacle, position limit arm end to approach spacing chamber (normally opening), and limit control is failure to actuate, and position limit arm is at normal position safe spacing, and car door is normally opened.If obstacle detected; the indicator lamp of warning circuit is lighted; buzzer call; remind likely to wipe and draw car door; limit control action: tractive magnet power-off discharges magnetic position-limited claw; its serrated slot on position limit arm is combined, stops car door opening action, thereby arrangements for automotive doors is effectively protected.
Brief description of the drawings
Fig. 1 is the structural representation of limit control of the present invention.
Fig. 2 is the fundamental diagram of limit control control system of the present invention.
Fig. 3 is the circuit structure diagram of control system signal generator.
Fig. 4 is the circuit structure diagram of control system feedway.
Fig. 5 is the circuit structure diagram of control system receiving device.
Fig. 6 is the constructional drawing of control system filter circuit.
Fig. 7 is the constructional drawing of control system signal amplification circuit.
Fig. 8 is the constructional drawing of control system rectifying circuit.
Fig. 9 is the constructional drawing of control system warning circuit.
Detailed description of the invention
Below by specific embodiment, structure and the principle of electromagnetic type automobile car door anti-collision system of the present invention are described further.
Electromagnetic type automobile car door anti-collision system of the present invention, be, limit control and control system thereof are installed on rod-pulling type car door limiter.Wherein limit control comprises the support 1 that is fixedly mounted on the spacing chamber interior walls of car door limiter, and is movably installed with magnetic position-limited claw 3 by bearing pin on support 1; Above support 1, the position of magnetropism position-limited claw 3 is provided with to tractive magnet 2; On the position limit arm of car door limiter, be carved with the serrated slot 4(suitable with magnetic position-limited claw 3 with reference to Fig. 1).
Described control system comprises signal generator, sender unit, signal receiving device, filter circuit, signal amplifier, rectifying circuit and warning circuit; The power supply of control system is automobile storage battery, and power supply is connected with signal generator by a main supply switch; Sender unit, signal receiving device are installed on side by side automobile and open reveal lower edge; The mouth of signal receiving device connects filter circuit; Signal amplification circuit input end connects filter circuit, and its mouth connects rectifying circuit; The input end of warning circuit connects the mouth of rectifying circuit.
Wherein signal generator is square-wave oscillator circuit, and its circuit structure diagram is shown in Fig. 3; State the light-emitting diode that sender unit is IR wavelength, its circuit structure diagram is shown in Fig. 4; Signal receiving device is photo-transistor, and its circuit structure diagram is shown in Fig. 5; Filter circuit is second order active bandpass filiter circuit, and its circuit structure diagram is shown in Fig. 6; Signal amplification circuit adopts two-stage series connection signal amplification circuit, and its circuit structure diagram is shown in Fig. 7; Rectifying circuit is no controlled rectifier with capacitor filter, and its circuit structure diagram is shown in Fig. 8; Warning circuit is made up of the indicator lamp of connecting, buzzer phone and switch, and its circuit structure diagram is shown in Fig. 9.
In the time that arrangements for automotive doors is opened, main supply switch is opened, and whole control system enters mode of operation.Whether signal transmitting, receiving device inspection vehicle have obstacle outdoors.As there is no obstacle, and position limit arm end approaches spacing chamber,, limit control is failure to actuate, and position limit arm is at normal position safe spacing, and car door is normally opened.If obstacle detected; the indicator lamp of warning circuit is lighted; buzzer call; remind likely to wipe and draw car door; limit control action (specifically seeing Fig. 2): tractive magnet power-off discharges magnetic position-limited claw; its serrated slot on position limit arm is combined, stops car door opening action, thereby arrangements for automotive doors is effectively protected.
Claims (9)
1. an electromagnetic type automobile car door anti-collision system, comprises rod-pulling type car door limiter, it is characterized in that: limit control and control system thereof are installed on car door limiter; Wherein limit control comprises the support (1) of the spacing chamber interior walls that is fixedly mounted on car door limiter, and on support (1), is movably installed with magnetic position-limited claw (3); In support (1) top, the position of magnetropism position-limited claw (3) is provided with to tractive magnet (2); On the position limit arm of car door limiter, be carved with the serrated slot (4) suitable with magnetic position-limited claw (3); Described control system comprises signal generator, sender unit, signal receiving device, filter circuit, signal amplifier, rectifying circuit and warning circuit; The power supply of control system is automobile storage battery, and power supply is connected with signal generator by a main supply switch; Sender unit, signal receiving device are installed on side by side automobile and open reveal lower edge; The mouth of signal receiving device connects filter circuit; Signal amplification circuit input end connects filter circuit, and its mouth connects rectifying circuit; The input end of warning circuit connects the mouth of rectifying circuit.
2. electromagnetic type automobile bumper car door system as claimed in claim 1, is characterized in that: described electromagnetism position-limited claw (3) is rack-mount by bearing pin.
3. electromagnetic type automobile bumper car door system as claimed in claim 1, is characterized in that: described signal generator is square-wave oscillator circuit.
4. electromagnetic type automobile bumper car door system as claimed in claim 1, is characterized in that: the light-emitting diode that described sender unit is IR wavelength.
5. electromagnetic type automobile bumper car door system as claimed in claim 1, is characterized in that: described signal receiving device is photo-transistor.
6. plant as claimed in claim 1 automobile collision preventing door device, it is characterized in that: described filter circuit is second order active bandpass filiter circuit.
7. electromagnetic type automobile bumper car door system as claimed in claim 1, is characterized in that: described signal amplification circuit adopts two-stage series connection signal amplification circuit.
8. electromagnetic type automobile bumper car door system as claimed in claim 1, is characterized in that: described rectifying circuit is no controlled rectifier with capacitor filter.
9. electromagnetic type automobile bumper car door system as claimed in claim 1, is characterized in that: described warning circuit is made up of the indicator lamp of connecting, buzzer phone and switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410229875.9A CN103963703A (en) | 2014-05-28 | 2014-05-28 | Anti-collision system of electromagnetic automobile door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410229875.9A CN103963703A (en) | 2014-05-28 | 2014-05-28 | Anti-collision system of electromagnetic automobile door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103963703A true CN103963703A (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410229875.9A Pending CN103963703A (en) | 2014-05-28 | 2014-05-28 | Anti-collision system of electromagnetic automobile door |
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| Country | Link |
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| CN (1) | CN103963703A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114622783A (en) * | 2022-03-31 | 2022-06-14 | 孙鹏 | Door opening anti-collision system for automobile |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1663845A (en) * | 2005-03-22 | 2005-09-07 | 上海应用技术学院 | Anti-collision warning device for automobile door open |
| CN2825872Y (en) * | 2005-09-29 | 2006-10-11 | 李清军 | Anti-scraping safety device for automobile door |
| DE102007045223A1 (en) * | 2007-09-21 | 2008-02-28 | Daimler Ag | Method for monitoring of opening area of vehicle door, involves monitoring, which is carried out by sensor arranged in vehicle door, and sensor is used as capacitive proximity sensor on basis of sensor |
| CN201484286U (en) * | 2009-08-28 | 2010-05-26 | 苏振声 | Vehicle door opening warning device |
| CN204077509U (en) * | 2014-05-28 | 2015-01-07 | 穆治华 | A kind of electromagnetic type automobile car door anti-collision system |
-
2014
- 2014-05-28 CN CN201410229875.9A patent/CN103963703A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1663845A (en) * | 2005-03-22 | 2005-09-07 | 上海应用技术学院 | Anti-collision warning device for automobile door open |
| CN2825872Y (en) * | 2005-09-29 | 2006-10-11 | 李清军 | Anti-scraping safety device for automobile door |
| DE102007045223A1 (en) * | 2007-09-21 | 2008-02-28 | Daimler Ag | Method for monitoring of opening area of vehicle door, involves monitoring, which is carried out by sensor arranged in vehicle door, and sensor is used as capacitive proximity sensor on basis of sensor |
| CN201484286U (en) * | 2009-08-28 | 2010-05-26 | 苏振声 | Vehicle door opening warning device |
| CN204077509U (en) * | 2014-05-28 | 2015-01-07 | 穆治华 | A kind of electromagnetic type automobile car door anti-collision system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114622783A (en) * | 2022-03-31 | 2022-06-14 | 孙鹏 | Door opening anti-collision system for automobile |
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Application publication date: 20140806 |
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| RJ01 | Rejection of invention patent application after publication |