WO2018165925A1 - Capacitive touch inner vehicle door handle warning device - Google Patents

Abstract

A capacitive touch inner vehicle door handle warning device: an inner door handle (11) is pivotally connected on an inner door handle bowl-shaped assembly (10); a capacitive sensing assembly (12) is disposed on the inner door handle (11) or disposed on the inner door handle bowl-shaped assembly (10) and at a position adjacent to the inner door handle (11). A capacitive touch sensing processing circuit (13) is connected to the capacitive sensing assembly (12), and processes sensing capacitance which is generated by the capacitive sensing assembly (12) as a result of a touch so as to provide a capacitance value. A control unit (14) is connected to the capacitive sensing assembly (12) and a warning unit (15), and said control unit operates according to the capacitance value or sets the warning unit (15) to operate. The device determines whether a user approaches or touches the inner door handle by means of capacitive touch sensing, and generates a warning signal accordingly, thus having improved operational reliability.

Description

Capacitive touch car inner door handle warning device Technical field

The invention relates to an interior door handle device for an automobile, in particular to a door handle warning device for a capacitive touch vehicle.

Background technique

As some of the car drivers or passengers did not pay attention to the traffic conditions of the adjacent roads when they opened the doors, they rushed to open the doors, causing the rear cars to crash into the doors, causing many unfortunate traffic accidents.

In order to solve the above safety problems, the prior art such as TW M509150, car door safety warning device, TW M510875, door opening safety warning device, TWM522149, door warning system, TW M524280, door opening voice reminder, TW M529620, with safety and sound The sensing device, TW M530762, vehicle warning device, CN202782885U, car door opening warning device, TW M523614, car door opening warning structure, etc. propose to install buttons, infrared rays, ultrasonic waves, body temperature sensing infrared rays on the door handle of the car. (PIR) ... and other sensing devices to sense whether the user has the action of opening the door, and together with a warning signal to warn the user.

However, the above techniques have many limitations in practical applications. For example, when a button is mounted on an inner door handle, since the number of opening and closing times is relatively frequent, the gap between the buttons is easily affected by the debris and is disabled. The problem will seriously affect the probability that the button can operate normally.

Infrared and ultrasonic solutions, etc., the sensing signal receiving device is disposed between the inner door handle and the inner door handle bowl component, and determines whether the signal is blocked to generate a warning signal, but the solution is in the user's hand. If the department does not operate between the designated areas, it will cause a malfunction and affect the user's confidence in such products.

In addition, the method of sensing the infrared temperature by body temperature is easy to determine whether the user is opening the door after the temperature in the vehicle approaches or exceeds 37 degrees, or when the user loads the glove, and cannot operate. In the actual car loading environment.

In summary, how to provide a solution to the problem of the prior disclosure is a technical problem that needs to be solved in the field.

Summary of the invention

In order to solve the technical problems in the background art, one of the objects of the present invention is to provide a capacitive touch vehicle interior door handle warning device.

To achieve the above objective, the present invention provides a capacitive touch vehicle interior door handle warning device. The device includes an inner door handle bowl assembly, an inner door handle, a capacitive sensing assembly, a capacitive touch sensing processing circuit, a warning unit, and a control unit. The inner door handle is pivotally connected to the inner door handle bowl assembly. The capacitive sensing component is disposed on the inner door handle or on the inner door handle bowl assembly and adjacent to the inner door handle. The capacitive touch sensing processing circuit is connected to the capacitive sensing component, and processes the capacitive sensing component to generate a capacitance value due to the sensing capacitance generated by the touch. The control unit is connected to the capacitive sensing component and the warning unit, and the control unit further determines the operation mode according to the capacitance value, and sets the warning unit to operate according to the operation mode.

In summary, the in-vehicle door handle device of the programmed warning function of the present invention determines whether the user approaches or touches the inner door handle by capacitive touch sensing, and accordingly generates a warning signal, compared to the prior art. The invention has more excellent operational reliability.

DRAWINGS

1 is a schematic view of a warning device for a door handle of a capacitive touch vehicle according to a first embodiment of the present invention;

2 is a schematic view showing the position of a capacitive sensing component of the present invention;

3 is a block diagram showing the internal function of the inner door handle warning device of the capacitive touch vehicle of the present invention;

Figure 4 is a schematic view of the operation of the present invention;

FIG. 5 is a flow chart showing the programmable setting of the inner door handle warning device of the capacitive touch vehicle of the present invention.

The main components are marked with instructions:

L1～L4-capacitive sensing component setting position

1-capacitive touch car inner door handle warning device

10-internal door handle bowl assembly

11-internal door handle

12-capacitive sensing component

13-capacitive touch sensing processing circuit

14-control unit

141-first communication port

142-second communication port

15-alarm unit

151-light warning unit

152-sound warning unit

2-blind point detection system

3-hazard warning light control module

4-door

5-use end.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

Please refer to FIG. 1 , which is a schematic diagram of a door handle warning device 1 for a capacitive touch vehicle according to a first embodiment of the present invention. The foregoing device includes an inner door handle bowl assembly 10, an inner door handle 11, a capacitive sensing assembly 12, a capacitive touch sensing processing circuit 13, a control unit 14, and an alert unit 15. The inner door handle 11 is pivotally connected to the inner door handle bowl assembly 10. The capacitive sensing assembly 12 is disposed on the inner door handle 11 or on the inner door handle bowl assembly 10 adjacent to the inner door handle 11. The capacitive touch sensing processing circuit 13 is connected to the capacitive sensing component 12 and processes the sensing capacitance generated by the capacitive sensing component 12 by touch to provide a capacitance value. The control unit 14 is connected to the capacitive sensing component 12 and the warning unit 15 (please refer to FIG. 3). The control unit 14 further determines the operation mode according to the capacitance value, and sets the operation of the warning unit 15 according to the operation mode.

In another embodiment, the foregoing operation mode further includes an alert mode and the capacitive touch alert device enters a set mode, the alert mode commands the operation of the alert unit 15 , and the capacitive touch alert device enters the set mode to be a programmable setting. The mode of the warning mode.

In another embodiment, the foregoing operation mode further includes a plurality of alert profiles (stored in the memory of the control unit 14) by default, and the capacitive touch alert device enters the setting mode to set the alert according to at least one of the alert profiles. mode. For example, when the alert profile can be a plurality of different alert sound files, and the user installs the capacitive touch car interior door handle alert device 1 of the present invention on different doors, the car can be used by the original factory or used. The internal door handle warning device 1 of the capacitive touch vehicle located at different doors is set with different warning sound files, so that when the user touches the door handle warning device 1 of the capacitive touch vehicle located at different doors, it will be issued. Different warning sounds. For example, the warning sound file of the door handle warning device 1 of the left front door capacitive touch car is set to "left front door open, please pay attention to the rear car", and the right rear door capacitive touch car inner door handle warning device The warning sound file of 1 is set to "The right rear door is open, please pay attention to the rear car."

In another embodiment, the foregoing warning unit 15 further includes a light alert unit 151 (FIG. 3) or an audible alert unit 152 (FIG. 3), wherein the alert mode configures the alert unit 15 to emit a designated light pattern or to emit a designated sound. In another embodiment, the aforementioned control unit 14 is disposed on the inner door handle bowl assembly 10.

Please refer to FIG. 2 , which is a schematic diagram showing the position of the capacitive sensing component 12 of the present invention. In another embodiment, the capacitive sensing component 12 is disposed on the inner door handle 11 and faces the user (L1, outside the inner door handle 11). In another embodiment, the capacitive sensing assembly 12 is disposed on the inner door handle 11 and faces the inner bowl portion (L2, inner side of the inner door handle 11) of the inner door handle bowl assembly 10. In another embodiment, the capacitive sensing assembly 12 is disposed in the inner bowl portion of the inner door handle bowl assembly 10 and faces the inner door handle 11 (L3, inner side of the inner bowl portion). In another embodiment, the aforementioned capacitive The sensing assembly 12 is disposed outside the bowl portion of the inner door handle bowl assembly 10 and faces the inner door handle 11 (L4, outside the inner bowl portion).

In another embodiment, the capacitive touch warning device enters the setting mode according to the capacitance value generation time as the set value of the capacitive touch warning device entering the setting mode. In another embodiment, the control unit 14 determines the number of touches in the specified period as the set value of the capacitive touch warning device to enter the setting mode.

Please refer to FIG. 3 , which is a block diagram showing the internal function of the inner door handle warning device 1 of the capacitive touch vehicle of the present invention. The foregoing warning unit 15 can further include a light warning unit 151 and an audible alarm unit 152. The foregoing light warning unit 151 can be implemented by using an LED device. The audible warning unit 152 can be implemented by using a buzzer warning device and a vocal warning device. .

In another embodiment, the aforementioned control unit 14 includes a first communication port 141 and a second communication port 142 that can be connected to an external system. In one embodiment, the first communication port 141 is connected to the external blind spot detection system 2, and the second communication port 142 is connected to the dangerous warning light control module 3 of the external vehicle system, so that the control unit 14 receives the blind spot detection. The warning information generated by the hazard warning light control module 3 of the system 2 or the automobile system is configured to configure the operation of the warning unit 15; the control unit 14 outputs the touch information to the blind spot detection system 2 or the hazard warning light control module 3 to trigger The operation of the blind spot detection system 2 or the hazard warning light control module 3.

The capacitive sensing component 12 can be a component that can induce a capacitance when the human body approaches when a metal piece, a metal film, a conductive film, a capacitive touch panel, or the like can be used. The aforementioned control unit 14 can be implemented using a microcontroller (MCU), or a programmable digital circuit.

Please refer to FIG. 4 , which is a schematic diagram of an operation of the present invention. When using the end 5 hand (can be loaded with gloves), there is potential variation or potential difference between the power of the hand 5 and the reference potential of the door handle warning device 1 of the capacitive touch vehicle. Therefore, a capacitive effect is generated on the capacitive sensing component 12, and after the capacitive sensing component 12 senses the capacitance generated by the hand, the capacitive touch sensing processing circuit 13 converts the inductive capacitance equivalent to a voltage value or The current value, and the control unit 14 can know whether the user's hand is in contact or close to the inner handle by reading the aforementioned voltage value or current value.

Then, the control unit 14 will instruct the warning unit 15 to operate, and when the warning unit 15 is a light source device (for example, LED), the control unit 14 will instruct the warning unit 15 to emit light or flash, etc. to alert the user; When the unit 15 is a sound device (for example, a buzzer), the control unit 14 will instruct the alert unit 15 to emit a warning tone to alert the user terminal 5.

The capacitive touch vehicle interior door handle warning device 1 of the present invention allows the use terminal 5 to set the operation mode of the warning unit 15 through the touch capacitive sensing unit 12 (for example, Set the specified warning light status, set different warning status according to the position of the installed door 4, issue different warning sounds, etc.). The capacitive touch vehicle inner door handle warning device 1 can operate the setting warning unit 15 by means of the time and the number of times the capacitive sensing unit 12 is touched.

Please refer to FIG. 5 , which is a flow chart of programmable setting of the inner door handle warning device 1 of the capacitive touch vehicle of the present invention. The flow chart steps are described below, and please refer to the contents of Figure 1 to Figure 4:

S101: The normal mode operation triggers the operation of the alert unit 15 when the user's hand approaches.

S102: The control unit 14 determines whether the touch area of the touch capacitive sensing component 12 is connected three times in 1.5 seconds. If yes, execute S103; if not, execute S101.

S103: The control unit 14 instructs the audible alert unit 152 to emit a long tone for 1.5 seconds, and causes the light warning unit 151 to be constantly lit. At this time, the setting mode is performed, and the mode can be selected.

S104: The control unit 14 enters mode 1: the first type of sound is generated, the light is constantly on, and the retry is waited for 3 seconds.

S105: The control unit 14 determines whether there is a touch area of the touch capacitive sensing component 12 within 3 seconds. If yes, mode 1 is executed and the process proceeds to S106; otherwise, S101 is executed.

S106: The control unit 14 enters mode 2: the second type of sound is generated, the light is constantly on, and the retry is waited for 3 seconds.

S107: The control unit 14 determines whether there is a touch area of the touch capacitive sensing component 12 within 3 seconds. If yes, execute mode 2 and go to S108; otherwise, execute S101.

S108: The control unit 14 enters mode 3: the third type of sound is generated, the light is constantly on, and the retry is waited for 3 seconds.

S109: The control unit 14 determines whether there is a touch area of the touch capacitive sensing component 12 within 3 seconds. If yes, mode 3 is executed and S110 is entered; otherwise, S101 is executed.

S110: The control unit 14 enters mode 4: the fourth type of sound is generated, the light is constantly on, and the retry is waited for 3 seconds.

S111: The control unit 14 determines whether there is a touch area of the touch capacitive sensing component 12 within 3 seconds. If yes, mode 4 is executed and the process proceeds to S104; otherwise, S101 is executed.

For example, when the user wants to set the capacitive touch vehicle interior door handle warning device 1 to perform mode 1, the capacitive sensing component 12 is touched within 3 seconds in step S105, and is not in step 3107 for 3 seconds. The mode 1 setting can be completed by touching the capacitive sensing component 12 inside.

It is apparent that those skilled in the art can make various modifications and variations to the embodiments of the invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and modifications of the invention

Claims (12)

A capacitive touch vehicle interior door handle warning device, comprising: Inner door handle bowl assembly; An inner door handle pivotally connected to the inner door handle bowl assembly; a capacitive sensing component disposed on the inner door handle or disposed on the inner door handle bowl assembly adjacent to the inner door handle; A capacitive touch sensing processing circuit is connected to the capacitive sensing component, and the capacitive sensing component is processed to provide a capacitance value by a sensing capacitor generated by the touch; Warning unit; The control unit is connected to the capacitive sensing component and the warning unit. The control unit further determines an operation mode according to the capacitance value, and sets the warning unit to operate according to the operation mode. The capacitive touch vehicle interior door handle warning device of claim 1 , wherein the operation mode further comprises an alert mode and a capacitive touch alert device entering a set mode, the alert mode commanding the alert unit to operate, the capacitor Touching the warning device to enter the setting mode is to set the mode of the warning mode. The capacitive touch vehicle interior door handle warning device of claim 2, wherein the capacitive touch warning device enters a setting mode according to the capacitance value generation time as a set value of the capacitive touch warning device entering the setting mode. The internal touch handle warning device for a capacitive touch vehicle according to claim 2, wherein the control unit determines the number of touches in the specified period as the set value of the capacitive touch warning device to enter the setting mode. The internal touch handle warning device for a capacitive touch vehicle according to claim 2, wherein the operation mode further includes a plurality of alert profiles by default, and the capacitive touch alert device enters a setting mode according to the alert profile. One to set the alert mode. The internal touch handle warning device for a capacitive touch vehicle according to claim 5, wherein the warning unit further comprises a light warning unit or an audible alarm unit, wherein the warning mode is configured with the alarm The display unit emits the specified light pattern or emits a specified sound. The capacitive touch vehicle interior door handle warning device of claim 1 , wherein the capacitive sensing component is disposed on the inner door handle and facing the user. The capacitive touch vehicle interior door handle warning device of claim 1 , wherein the capacitive sensing component is disposed on the inner door handle and faces the inner bowl portion of the inner door handle bowl assembly. The capacitive touch vehicle interior door handle warning device of claim 1 , wherein the capacitive sensing component is disposed in the inner bowl portion of the inner door handle bowl assembly and faces the inner door handle. The capacitive touch vehicle interior door handle warning device of claim 1 , wherein the capacitive sensing component is disposed outside the inner door handle bowl assembly and facing the inner door handle. The capacitive touch vehicle interior door handle warning device of claim 1 , wherein the control unit is disposed on the inner door handle bowl assembly. The internal touch handle warning device for a capacitive touch vehicle according to claim 1 , wherein the control unit further receives warning information generated by an external blind spot detection system or a hazard warning light control module of the automobile system to configure the warning unit. The control unit outputs the touch information to the blind spot detection system or the hazard warning light control module to trigger the operation of the blind spot detection system or the hazard warning light control module.

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