Capacitive proximity induction automobile sliding door controller
Technical Field
The application relates to the technical field of automobile doors, in particular to a capacitive proximity-sensing automobile sliding door controller.
Background
Automobile sliding doors, also known as sliding track doors or sliding side doors, are a way of opening a vehicle door, in which the door slides horizontally along a track on the side of the vehicle body to open and close, and such a design is not uncommon in the automotive field, particularly in large MPV (multi-function passenger vehicles) and certain commercial vehicle types, and the design of the sliding door not only provides a convenient way of entering and exiting, particularly in narrow spaces, but also increases the practicality and convenience of the vehicle.
The sliding doors of automobiles are usually equipped with an electrical control device, which receives instructions and initiates corresponding actions by operating a control switch on the center console or an electrical control button on the sliding door when the driver or passenger needs to open or close the door.
With the progress and development of technology, it is expected that the automobile sliding door can show a technological sense and a future sense while considering the practicability, and in order to achieve the purpose, a capacitive type proximity sensing automobile sliding door controller is particularly provided.
Disclosure of utility model
In order to achieve the purpose that an automobile sliding door can have a more technological sense and a switch mode is more intelligent and automatic, the application provides a capacitive type proximity-sensing automobile sliding door controller.
The application provides a capacitive proximity induction automobile sliding door controller, which adopts the following technical scheme:
The utility model provides a capacitive type approach induction's car sliding door controller for car sliding door opens and stops, including shell and the PCB board of setting in the shell, be provided with fixed numerical capacitance, sensor and Micro Control Unit (MCU) on the PCB board for approach the response, the top of sensor corresponds and is provided with the signal indicator.
By adopting the technical scheme, when an object (such as a human hand or other parts of a body) approaches the sensor, the electric field distribution around the sensor can be changed, so that the change of the capacitance value of the sensor is caused, the MCU can sensitively capture the change and convert the change into electric signals, then the electric signals are processed, the automatic start-stop function of the sliding door is finally triggered, and meanwhile, the signal indicator is arranged, so that a user can intuitively know the working state of the sensing device.
Preferably, the sensor is a copper foil sensor, including a first copper foil sensor and a second copper foil sensor.
By adopting the technical scheme, the copper foil sensor can effectively sense the approach of an external object (such as a human hand or other parts of a human body), thereby realizing the automatic start-stop function of the automobile sliding door.
Preferably, the first copper foil sensor and the second copper foil sensor are long and are arranged in parallel at the same height.
By adopting the technical scheme, the induction range can be enlarged, and the accuracy and reliability of induction are improved.
Preferably, the signal indicator is an LED indicator lamp, and comprises a first LED indicator lamp and a second LED indicator lamp.
By adopting the technical scheme, the LED indicator lamp is used as a signal indicator, has the advantages of low power consumption, long service life, high brightness and the like, can intuitively display the working state of the capacitive type near-induction automobile sliding door controller, and is convenient for a user to know whether the system operates normally or not.
Preferably, the LED indicator lamp comprises four working states of extinction, respiration, flickering and highlighting.
By adopting the technical scheme, the four working states of extinction, respiration, flickering and highlighting of the LED indicator lamp can respectively represent different system states, and a user can quickly know the current condition of the system by observing the state of the LED indicator lamp.
Preferably, transparent glue is filled between the shell and the PCB.
By adopting the technical scheme, the transparent glue can transmit light, so that the LED lamp is conveniently observed by human eyes, and the filling of the transparent glue can play a role in fixing and protecting the PCB, so that the LED lamp is prevented from being influenced and damaged by external environment, such as water erosion and the like. Meanwhile, the transparent glue filling can also enhance the insulating property of the capacitive proximity induction automobile sliding door controller and increase the induction distance, thereby improving the safety and the accuracy of the capacitive proximity induction automobile sliding door controller.
Preferably, the front end of the shell is a semitransparent shell.
By adopting the technical scheme, the semitransparent shell design can allow the light rays of the LED indicator lamp to penetrate, so that a user can clearly see the state of the LED indicator lamp. At the same time, the design also increases the aesthetic property and modern sense of the product.
Preferably, the PCB is provided with a plugboard for fixedly mounting the PCB, and the shell is internally provided with a slot matched with the plugboard.
By adopting the technical scheme, the design of the plugboard and the slot can conveniently realize the fixation and the installation of the PCB, and the structure not only simplifies the installation process, but also improves the stability and the reliability of the installation.
In summary, the present application includes at least one of the following beneficial technical effects:
1. The intelligent start-stop function of the sliding door can be realized by adopting the copper foil sensor to sensitively sense the approach of an external object. Meanwhile, the accurate matching of the sensor and the micro control unit ensures the accuracy and reliability of sensing and improves the user experience;
2. According to the application, the LED indicator lamp is used as a signal indicator, so that a user can intuitively know the working state of the sensing device, and the four different working states of the LED indicator lamp respectively represent different system states, so that the user can quickly know the current condition of the system, and operation judgment is convenient;
3. According to the application, the transparent glue is filled between the shell and the PCB, so that the PCB is fixed and protected, the PCB is prevented from being influenced and damaged by external environment, the insulation performance of the device is enhanced, the safety is improved, and meanwhile, the design also increases the induction distance, and the accuracy of the device is further improved.
Drawings
FIG. 1 is a schematic diagram of an overall structure of a capacitive proximity sensing automotive sliding door controller according to an embodiment of the present application mounted to an automotive sliding door;
FIG. 2 is a schematic diagram of an exploded construction of a capacitive proximity sensing automotive sliding door controller according to an embodiment of the present application;
Fig. 3 is a schematic view showing a partial sectional structure of a capacitive proximity sensing automobile sliding door controller according to an embodiment of the present application.
The LED packaging device comprises the following components of 1, a shell, 11, a slot, 2, a PCB, 21, a capacitor, 22, a copper foil sensor, 221, a first copper foil sensor, 222, a second copper foil sensor, 23, a plugboard, 3, LED indicator lamps, 31, a first LED indicator lamp, 32, a second LED indicator lamp, 4, transparent glue filling and 5, and a micro control unit.
Detailed Description
The application is described in further detail below with reference to fig. 1-3.
Examples
The embodiment of the application discloses a capacitive proximity-sensing automobile sliding door controller, which is installed in a door handle of an automobile sliding door and comprises a shell 1 and a PCB (printed Circuit Board) 2 installed in the shell 1, wherein transparent glue filling 4 is filled in the shell 1 and between the PCB 2, and the PCB 2 is sealed in the shell 1, with reference to figures 1, 2 and 3;
The front surface of the PCB 2 is provided with a micro control unit 5 and a sensor, the sensor in the embodiment is a copper foil sensor 22, the sensor comprises a first copper foil sensor 221 and a second copper foil sensor 222 which are arranged in parallel with each other at the same height position at the bottom of the front surface of the PCB 2, and the top of the back surface of the PCB 2 is provided with two capacitors 21 with fixed values, which are matched with the micro control unit 5 and the sensor for proximity sensing;
In order to observe the working state of the capacitive approach sensing automobile sliding door controller more intuitively, a user can know whether the system is operating normally or not conveniently, signal indicators are arranged above the first copper foil sensor 221 and the second copper foil sensor 222, in the embodiment, the LED indicator 3 comprises four working states of extinction, respiration, flickering and highlighting, the LED indicator 3 is connected with the sensor through an internal circuit of the PCB 2, the light state is changed according to the change of an electric signal of the sensor to the micro-control unit 5, and each light state corresponds to one working condition.
In order to observe the change state of the lamplight conveniently, the front end of the shell 1 is arranged to be semitransparent, and light rays of the LED indicator lamp 3 can easily penetrate, so that a user can clearly see the state of the LED indicator lamp 3, and the operation is convenient.
When the PCB 2 is installed in the earlier stage, in order to enable the PCB to be easily fixed, the left side surface of the PCB 2 is provided with the plugboard 23, meanwhile, the shell 1 is internally provided with the slot 11 which is matched with the plugboard 23, and the design of the plugboard 23 and the slot 11 can conveniently realize the fixation and the installation of the PCB 2, and the structure not only simplifies the installation process, but also improves the stability and the reliability of the installation.
The working process and implementation principle of the embodiment are as follows:
One side of the sensor is installed to the PCB 2 towards the front end of the shell 1, the plugboard 23 on the PCB 2 is aligned to the slot 11 formed in the shell 1, the plugboard is fixed by pressing, then the transparent glue filling 4 is used for filling the inside of the shell 1, so that the PCB 2 is sealed in the shell 1, and the front end of the shell 1 is semitransparent and the transparent glue filling 4 is beneficial to the arrangement, so that the light of the LED indicator 3 installed on the PCB 2 can easily penetrate, and a user can clearly observe the state of the LED indicator 3 so as to facilitate the subsequent operation.
When the sliding door is in a closed state and the sensor does not detect any approaching object, the first LED indicator lamp 31 is in a breathing type bright state and is used for indicating the hand placement position of a user;
When the sliding door is in a closed state, the first LED indicator 31 is in a high-light state and the second LED indicator 32 is in a flashing state when the sensor detects the hand of the user, so as to indicate the sliding direction of the hand of the user and the opening direction, and at this time, the user can unlock the door by sliding the first copper foil sensor 221 to the second copper foil sensor 222 with the hand of the user at intervals.
When the sliding door is in the sliding process and the sensor does not detect any approaching object, the first LED indicator lamp 31 and the second LED indicator lamp 32 are in a flashing state and are used for indicating normal operation, and if no human intervention exists, the door opening or closing action is completed according to a preset program;
when the sensor detects the hand of a user during the sliding process of the sliding door, the first LED indicator lamp 31 and the second LED indicator lamp 32 are in a high-brightness state and are used for indicating the actions of warning and simultaneously stopping the opening and closing of the door in an emergency;
When the sliding door is stopped in a stop state in the sliding process, when the sensor detects the hand of a user, the first LED indicator lamp 31 is in a high-brightness state, the second LED indicator lamp 32 is in a light-off state or the first LED indicator lamp 31 is in a light-off state, and the second LED indicator lamp 32 is in a high-brightness state, mainly depending on the specific position of the sliding door, and is used for indicating the sliding direction of the hand of the user and the opening direction.
When the sliding door is in an open state and the sensor does not detect any approaching object, the second LED indicator lamp 32 is in a breathing state and is used for indicating the hand placement position of the user;
When the sliding door is in an open state, the first LED indicator 31 is in a flashing state and the second LED indicator 32 is in a high-brightness state when the sensor detects the hand of the user, so as to indicate the sliding direction of the hand of the user and the closing direction of the door, and at this time, the user can slide from the second copper foil sensor 222 to the first copper foil sensor 221 with a space therebetween to close the door.
The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.