JP2004068318A - Automobile automatic door opening device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an automobile automatic door opening device capable of opening an automobile door or the like by a locking/unlocking signal of the automobile door transmitted from a radio signal transmitter. <P>SOLUTION: The radio signal transmitter 16 transmits a radio signal capable of locking/unlocking the automobile door. A radio signal detection means 114 detects whether or not the radio signal is the unlocking signal. A sensor 12 for detecting an object or the like detects only a human body or a person having baggage with a predetermined size. An automatic opening door control unit 11 makes the control of opening the automobile door based on a detection signal of the sensor 12 for detecting an object or the like and the unlocking signal in the radio signal detection means 114. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic door opening apparatus for an automobile that unlocks, locks, and opens and closes an automobile door using a wireless signal. In this specification, a “wireless signal” is a signal that includes light, infrared rays, ultrasonic signals, electromagnetic waves, and the like. Further, in this specification, the “door” includes doors such as an automobile opening / closing door, an automobile sliding door, and an automobile trunk lid.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, doors for automobiles are generally unlocked and locked by signals from a wireless signal generator. Recently, a device for unlocking / locking an automobile door simply by carrying the wireless signal generator has been developed. The wireless signal generator is a comfortable device that automatically unlocks and locks a car door only by approaching the car, even when both hands holding luggage are closed when getting on the car. It is.
[0003]
[Problems to be solved by the invention]
However, the wireless signal generator cannot automatically open and close the car door even if the car door can be automatically unlocked and locked. That is, even if the person holding the luggage or the like in both hands can not automatically get into the car even if the door is automatically unlocked, release it temporarily in order to put the luggage in the car, and then release the knob on the car door. To open and close the car door.
[0004]
An object of the present invention is to solve the above problems, and an object of the present invention is to provide a convenient automatic door opening apparatus for a vehicle that can open and close a door without troublesome operation even when both hands are closed. .
[0005]
[Means for Solving the Problems]
(First invention)
An automatic door opening apparatus for a vehicle according to a first aspect of the present invention includes a wireless signal generator for emitting a wireless signal capable of unlocking and locking a door for an automobile, and a wireless signal for receiving a wireless signal emitted from the wireless signal generator. Signal detection means 114, an object detection sensor 12 for detecting an object or the like having a predetermined size, and an automobile door based on a detection signal of the object or the like detection sensor 12 and an unlock signal of the wireless signal detection means 114. Automatic opening control means 112, 113 for opening the door, and vehicle door mechanism means 13 for unlocking / locking / opening / closing the vehicle door based on the automatic opening control means 112, 113. And
[0006]
(Second invention)
The automatic door opening apparatus for a vehicle according to the second invention includes timer means 116 for determining a predetermined time for emitting the unlocking radio signal and then allowing the object etc. detection sensor 12 to detect an object etc. Features.
[0007]
(Third invention)
In the automatic door opening apparatus for a vehicle according to the third aspect of the invention, the automatic door opening control means 112 and 113 do not unlock the vehicle if the permission is not issued by the vehicle state detecting means 115 even if the unlocking is requested by the wireless signal. Is controlled.
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
(First invention)
In the first invention, the wireless signal generator generates a wireless signal capable of unlocking and locking an automobile door. The wireless signal is a commonly used signal including, for example, light, infrared rays, ultrasonic waves, electromagnetic waves, and the like. The wireless signal detecting means receives the wireless signal emitted from the wireless signal generator and detects whether the wireless signal is for the vehicle or a signal for unlocking / locking.
[0009]
The object etc. detection sensor detects only a person carrying a human body or luggage of a predetermined size, and does not detect other dogs and cats. The automatic door opening control means performs control for opening the vehicle door based on the detection signal of the object etc. detection sensor and the unlock signal of the wireless signal detection means. The vehicle door mechanism unlocks, locks, and opens and closes the vehicle door based on the control of the automatic door control.
[0010]
(Second invention)
The timer means of the second invention determines a predetermined time for the object etc. detection sensor to detect an object etc. after the wireless signal for unlocking is emitted from the wireless signal generator. The timer means invalidates the unlock signal if no object or the like is detected within a predetermined time even if the unlock signal is emitted by the wireless signal.
[0011]
(Third invention)
The automatic door opening control means of the third invention is arranged such that when the engine of the automobile is started or the vehicle is starting to run, even if the unlocking is requested by the wireless signal, the permission by the vehicle state detection means is not required. If not, control is performed so that the car door is not unlocked.
[0012]
【Example】
FIG. 1 is a block diagram for explaining an embodiment of an automatic door opening apparatus for a vehicle according to the present invention. In FIG. 1, an automatic door opening apparatus for an automobile according to the present invention is attached to an automatic door opening control unit 11 for controlling unlocking, locking and opening / closing of an automobile door, near a desired door or the like, and is provided for a person or an object ( (Hereinafter, simply referred to as an object or the like), an object etc. detection sensor 12, a door mechanism 13 including a mechanism for unlocking / locking / opening / closing an automobile door, a side brake 14, and a stop / start of the vehicle. It comprises a vehicle speed sensor 15 for detection and a radio signal generator 16 for emitting a signal for automatically unlocking / locking the door for the vehicle.
[0013]
The wireless signal generator 16 is carried by the user, and has a switch for transmitting a wireless signal for unlocking and unlocking the vehicle door, and unlocking and unlocking the vehicle door. The signal is transmitted by a combination or the like, and is not different from the conventional one.
[0014]
The automatic door opening control unit 11 includes an object detection unit 111 that detects a signal indicating that an object or the like is detected by the object detection sensor 12, and a door opening / closing mechanism control unit that controls a door opening / closing mechanism 131 in the door mechanism unit 13. 112; a door unlocking / locking mechanism control means 113 for controlling a door unlocking / locking mechanism 132; a wireless signal detecting means 114 for detecting a signal emitted from the wireless signal generator 16; The vehicle speed sensor 15 detects whether the vehicle 14 is engaged or the vehicle is starting to move, and each block is controlled by a microcomputer (not shown).
[0015]
The door mechanism 13 includes a door opening / closing mechanism 131 and an unlocking / locking mechanism 132. The door opening / closing means 17 includes the door mechanism 13, the door opening / closing mechanism control means 112, and the door unlocking / locking mechanism control means 113. The radio signal generator 16 is carried by a person, and the others are provided on the automobile side.
[0016]
FIG. 2 is a flowchart for explaining an embodiment of the automatic door opening device for a vehicle according to the present invention, wherein reference numerals (a) and (a), and (b) and (b) are connected. An embodiment of the present invention will be described with reference to FIGS. The person carrying the wireless signal generator 16 operates the wireless signal generator 16. The unlocking / locking signal of the wireless signal emitted from the wireless signal generator 16 is detected by the wireless signal detecting means 114 (step 211).
[0017]
A microcomputer (not shown) checks whether or not the signal is a door locking signal based on the detected signal (step 212). When the microcomputer determines that the signal is a door locking signal, the microcomputer locks the door (step 213). If necessary, the vehicle state detecting means 115 detects the vehicle speed by the vehicle speed sensor 15 (Step 217). The microcomputer checks whether the vehicle is running (step 218). When the microcomputer determines that the vehicle is in a running state, it locks the door (step 213).
[0018]
In addition, if necessary, the vehicle state detection means 115 detects the state of the side brake 14 (Step 219). The microcomputer checks whether or not the vehicle's side brake 14 is applied (step 220). When the microcomputer determines that the side brake 14 of the vehicle is not applied, the microcomputer locks the door (step 213).
[0019]
In step 212, when the microcomputer determines that the wireless signal from the wireless signal generator 16 is not a door locking signal, the microcomputer checks whether the signal is a door unlocking signal. When the microcomputer determines that the wireless signal is a door unlocking signal (step 214), the microcomputer controls the door unlocking / locking mechanism control means 113 to unlock the door by the unlocking / locking mechanism 132. Is performed (step 215).
[0020]
The object etc. detecting means 111 detects an object etc. by the object etc. detection sensor 12 (step 221). The microcomputer checks whether the detected signal is an object or the like having a desired size (Step 222). The microcomputer opens the door only when determining that the detected signal has a desired magnitude and when there is an unlock signal for the door (steps 215 and 216).
[0021]
In addition, when the microcomputer determines in step 214 that the wireless signal is the door unlocking signal, and when determines in step 218 that the vehicle is not in the running state, the microcomputer determines in step 220 that the vehicle state detecting means 115 If it is determined that the side brake 14 is applied, or if it is determined in step 222 that the detected object or the like has a desired size, the door is opened with respect to the door opening / closing mechanism control unit 112 and the door opening / closing mechanism 131. (Step 216). The object or the like having the desired size is a size of a normal adult or a size that is considered to have the adult carrying luggage in both hands, such as a dog or a cat or a car, that is, an object that is too small And objects that are too large are excluded by the object etc. detecting means 111.
[0022]
In the step 222, when the microcomputer determines that the object detected by the object etc. detecting means 111 is not a desired size, the microcomputer locks the door (step 213). In step 214, when the microcomputer determines that the signal from the wireless signal generator 16 is not the door unlock signal, the microcomputer returns to step 211.
[0023]
Further, the timer means 116 measures the time from when the unlock signal is received to a predetermined time (step 223). The microcomputer checks whether or not a predetermined time has elapsed (step 224). If the time has elapsed, the microcomputer invalidates the detection of an object or the like (step 225). When the microcomputer determines that the predetermined time has not elapsed, it causes the microcomputer to detect an object or the like in step 221. The timer means 116 is for preventing a malfunction such as the door being opened or the door being repeatedly opened and closed in a situation not intended by the user.
[0024]
As mentioned above, although the Example of this invention was described in full detail, this invention is not limited to the said Example. Various design changes can be made without departing from the present invention described in the claims. For example, each block in the embodiment of the present invention can be achieved by well-known or known technical means. Further, the door in the embodiment can be applied to a door for a person or a luggage in an automobile, or a double door, a vertical opening / closing, a horizontal sliding opening / closing, or the like.
[0025]
In addition, it goes without saying that the signal in the wireless signal generator of the present invention can be any signal medium that does not use a wire, other than electromagnetic waves, light, infrared rays, ultrasonic waves, and the like. The vehicle according to the embodiment of the present invention can be applied to any type of vehicle regardless of its type and size.
[0026]
As the vehicle door opening / closing means of the present invention, a known or well-known unlocking, locking, opening / closing mechanism or control means can be used.
[0027]
【The invention's effect】
According to the present invention, a sensor for detecting a human body or an object is attached to a door of an automobile or in the vicinity of the door, and after the door is unlocked, when the sensor detects a human body or an object, the door is automatically activated. The door can be easily opened even if both hands of the user are closed.
[Brief description of the drawings]
FIG. 1 is a block diagram illustrating an embodiment of an automatic door opening apparatus for a vehicle according to the present invention.
FIG. 2 is a flowchart for explaining an embodiment of an automatic door opening apparatus for a vehicle according to the present invention, wherein reference numerals (a) and (a), and (b) and (b) are connected.
[Explanation of symbols]
11 ··· Automatic door opening control unit 111 ··· Object detection means 112 ··· Door opening / closing mechanism control means 113 ··· Door unlocking / locking mechanism control means 114 ··· Wireless signal detection means 115 ··· Vehicle state detection means 116 ··· Timer means 12 ··· Object detection sensor 13 ··· Door mechanism 131 ··· Door opening and closing mechanism 132 ··· Unlocking and locking mechanism 14 ··· Side brake 15 ··· Vehicle speed sensor 16 ··· Wireless Signal generator 17: door opening / closing means

Claims (3)

A radio signal generator that emits a radio signal capable of unlocking and locking an automobile door;
Wireless signal detection means for receiving the wireless signal emitted from the wireless signal generator,
An object or the like detection sensor for detecting an object or the like of a predetermined size,
Automatic door opening control means for opening an automobile door based on a detection signal of the object etc. detection sensor and an unlock signal in the wireless signal detection means,
Vehicle door mechanism means for unlocking, locking and opening and closing the vehicle door based on the automatic door control means,
An automatic door opening device for an automobile, comprising at least: 2. The vehicle according to claim 1, further comprising timer means for determining a predetermined time for the object etc. detection sensor to detect the object etc. after emitting the unlocking radio signal. Automatic door opening device. 3. The automatic door opening control means controls so as not to be unlocked even if the unlocking is requested by the wireless signal, unless permission is given by the vehicle state detecting means. An automatic door opening device for an automobile described in the above.

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