CN216956890U

CN216956890U - Vibration feedback device

Info

Publication number: CN216956890U
Application number: CN202220325527.1U
Authority: CN
Inventors: 柏婷; 周虎; 姜宁进; 沈关惠; 姜云
Original assignee: Shanghai Kostal Huayang Automotive Electric Co Ltd; Kostal Shanghai Mechatronic Co Ltd
Current assignee: Shanghai Kostal Huayang Automotive Electric Co Ltd; Kostal Shanghai Mechatronic Co Ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-07-12
Anticipated expiration: 2032-02-17

Abstract

The utility model discloses a vibration feedback device which comprises an operation panel and a permanent magnet connected with the operation panel, wherein a detection sensor used for detecting the displacement of the permanent magnet and an electromagnet mechanism used for driving the permanent magnet to vibrate are arranged below the operation panel, a mounting hole is formed in the electromagnet mechanism, the permanent magnet is arranged in the mounting hole, the detection sensor and the electromagnet mechanism are connected through a first PCB, and the first PCB is provided with a controller used for driving the electromagnet mechanism according to a detection signal. When the operation panel is pressed, the permanent magnet moves downwards along with the operation panel, and the detection sensor detects the movement of the permanent magnet. The permanent magnet is arranged in the mounting hole of the electromagnet mechanism, and the controller controls the electromagnet mechanism to generate a changing magnetic field in the mounting hole, so that the permanent magnet vibrates, the precision requirement is reduced, and the feedback hand feeling is improved. The vibration feedback device integrates a detection sensor, a permanent magnet and an electromagnet mechanism, and the structure is more compact.

Description

Vibration feedback device

Technical Field

The utility model relates to the technical field of vehicles, in particular to a vibration feedback device.

Background

The touch keys are more and more widely used in vehicles, and the feedback hand feeling requirements of users on the touch keys are higher and higher. However, the current feedback driving structure has high sensitivity to mechanical tolerance, the slight deviation of the system can influence the actual feedback hand feeling result, and the assembly, the structure and the tolerance can influence the feedback hand feeling precision. If the accuracy of the position of the feedback driving structure in the system can not be ensured, the feedback hand feeling is obviously abnormal, and the stability of the system is poor.

Therefore, how to provide a technical solution for solving the above problems is a technical problem which needs to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vibration feedback device, wherein a permanent magnet is arranged in a mounting hole of an electromagnet mechanism, and a controller controls the electromagnet mechanism to generate a changing magnetic field in the mounting hole, so that the permanent magnet generates vibration, the precision requirement is reduced, and the feedback hand feeling is improved. The vibration feedback device integrates a detection sensor, a permanent magnet and an electromagnet mechanism, and the structure is more compact.

In order to achieve the purpose, the utility model provides a vibration feedback device which comprises an operation panel and a permanent magnet connected with the operation panel, wherein a detection sensor used for detecting the displacement of the permanent magnet and an electromagnet mechanism used for driving the permanent magnet to vibrate are arranged below the operation panel, a mounting hole is formed in the electromagnet mechanism, the permanent magnet is arranged in the mounting hole, the detection sensor and the electromagnet mechanism are connected through a first PCB, and the first PCB is provided with a controller used for driving the electromagnet mechanism according to a detection signal.

Preferably, the electromagnet mechanism includes a winding core and a winding coil, and the mounting hole extends along the axis of the winding core.

Preferably, the winding core has a mounting groove provided along a circumference thereof at an outer side thereof, and the winding coil is disposed in the mounting groove.

Preferably, the operation panel is fixedly connected with the permanent magnet.

Preferably, a connecting piece is arranged between the operation panel and the permanent magnet, the operation panel is fixedly connected with the connecting piece, and the permanent magnet is fixedly connected with one side of the connecting piece, which is far away from the operation panel.

Preferably, the detection sensor is a hall sensor.

Preferably, the operating panel below is equipped with the shell, electromagnet mechanism installs in the shell, the shell top is equipped with the via hole that runs through along the thickness direction, the via hole with the position of mounting hole is corresponding, first PCB board is located the below of shell.

Preferably, the detection sensor is disposed on the first PCB inside the mounting hole.

Preferably, the portable electronic device further comprises a second PCB positioned on one side of the housing, the detection sensor is arranged on the second PCB, and the second PCB is electrically connected with the first PCB.

The utility model provides a vibration feedback device which comprises an operation panel and a permanent magnet connected with the operation panel, wherein a detection sensor used for detecting the displacement of the permanent magnet and an electromagnet mechanism used for driving the permanent magnet to vibrate are arranged below the operation panel, a mounting hole is formed in the electromagnet mechanism, the permanent magnet is arranged in the mounting hole, the detection sensor and the electromagnet mechanism are connected through a first PCB, and the first PCB is provided with a controller used for driving the electromagnet mechanism according to a detection signal.

When the operation panel is pressed, the permanent magnet moves downwards along with the operation panel, and the detection sensor detects the movement of the permanent magnet. The permanent magnet is arranged in the mounting hole of the electromagnet mechanism, and the controller controls the electromagnet mechanism to generate a changing magnetic field in the mounting hole, so that the permanent magnet generates vibration, the precision requirement is reduced, and the feedback hand feeling is improved. The vibration feedback device integrates a detection sensor, a permanent magnet and an electromagnet mechanism, and the structure is more compact.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a first embodiment of a vibration feedback device provided in the present invention;

FIG. 2 is a schematic structural diagram of a second embodiment of a vibration feedback device according to the present invention;

fig. 3 is a schematic structural diagram of a vibration feedback device according to a third embodiment of the present invention.

Wherein the reference numerals in fig. 1 to 3 are:

the sensor comprises an operation panel 1, a permanent magnet 2, a Hall sensor 3, a first PCB 4, a shell 5, a winding coil 6, a winding core 7, a connecting piece 8 and a second PCB 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order that those skilled in the art will better understand the disclosure, the utility model will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a vibration feedback device according to a first embodiment of the present invention; FIG. 2 is a schematic structural diagram of a second embodiment of a vibration feedback device according to the present invention; fig. 3 is a schematic structural diagram of a third embodiment of a vibration feedback device according to the present invention.

The structure of the vibration feedback device provided by the utility model is shown in figure 1, figure 2 or figure 3, and the vibration feedback device comprises an operation panel 1, a permanent magnet 2 and an electromagnet mechanism. Wherein the permanent magnet is connected to the operating panel 1. The electromagnet mechanism is located below the operation panel 1, a mounting hole is formed in the electromagnet mechanism, a cavity used for containing the permanent magnet 2 is formed in the mounting hole, and the permanent magnet 2 is inserted into the cavity and is in clearance fit with the mounting hole. The vibration feedback device further comprises a detection sensor and a first PCB 4, the detection sensor is used for detecting the displacement of the permanent magnet 2, and the detection sensor and the electromagnet mechanism are connected through the first PCB 4. The first PCB 4 is provided with a controller, and when an operator applies an operation force downwards to a certain function control area (for example, a P-shift control area) on the operation panel 1, the area of the operation panel 1 above the permanent magnet 2 is deformed, and the permanent magnet 2 is driven to move downwards. The relative position of the permanent magnet 2 and the detection sensor changes, the detection sensor receives the change of the position information of the permanent magnet 2 to generate a detection signal, and the detection signal is transmitted to the first PCB 4.

Optionally, the controller includes a signal acquisition module, a filtering module, a judgment module, and a processing module. The signal acquisition module can gather this detected signal fast, and the clutter in the filtering module will detected signal filters according to predetermineeing the logic, gets rid of the unnecessary frequency component in the middle of the detected signal. Then the detection signal is transmitted to a judgment module, the judgment module judges the validity of the filtered detection information at first, and the detection signal is transmitted to a processing module through an internal channel after the detection signal acquired this time is confirmed to be valid information. The processing module converts the electrical signal into a corresponding physical quantity (applied force), and then determines whether the magnitude of the physical quantity reaches a threshold value of the trigger function. If the current value reaches the preset value, a pulse signal is introduced to the electromagnet mechanism. The electromagnet mechanism alternately shows a magnetic state and a non-magnetic state, attracts the permanent magnet 2 when the magnet exists, and releases the permanent magnet 2 when the magnet does not exist. Therefore, the permanent magnet 2 generates vibration and drives the operation panel 1 to vibrate, the fingers of an operator feel the vibration of the operation panel 1, the touched function of the operation panel 1 is known to be started, and the vibration feedback hand feeling is realized. If not, the relevant function is not activated, and only recording is carried out. The controller may refer to other structures in the prior art, and is not limited herein. The filtering mode of the filtering module for the detection signal can refer to the prior art, and the mode of the processing module for converting the electric signal into the physical quantity can refer to the prior art, which is not repeated herein

Alternatively, the electromagnet mechanism includes a winding core 7 and a winding coil 6, and as shown in fig. 1, the mounting hole extends along the axis of the winding core 7. The center of the permanent magnet 2 is positioned above the center of the winding core 7, so that the electromagnet mechanism can apply intermittent acting force on the permanent magnet 2, the permanent magnet 2 vibrates, and hand feeling feedback is realized. In addition, the outside of the winding core 7 has a mounting groove provided along the circumferential direction thereof, the winding coil 6 is disposed in the mounting groove, and the side wall of the mounting groove can limit the winding coil 6.

Optionally, as shown in fig. 1 and fig. 3, a connection groove may be disposed on a lower side of the operation panel 1, and the connection groove and the permanent magnet 2 are directly fixedly connected by means of bonding, welding or interference fit.

Optionally, a connecting member 8 is disposed between the operation panel 1 and the permanent magnet 2. The connecting piece 8 comprises a connecting plate connected with the operation panel 1 in a bonding or welding mode and the like, and a connecting groove positioned on the lower side of the connecting plate, and the connecting groove and the permanent magnet 2 can be directly fixedly connected in a bonding, welding or interference fit mode and the like.

Optionally, the detection sensor is a hall sensor 3. Of course, the user may also use other types of sensors such as an infrared sensor as the detection sensor as needed, and the utility model is not limited herein.

Alternatively, as shown in fig. 1, the housing 5 may be disposed between the first PCB board 4 and the operation panel 1. The housing 5 may be made of a metal material, which has good heat dissipation performance. Of course, the user may also use other materials to make the housing 5 according to the requirement, which is not limited herein. The housing 5 may be soldered to the first PCB 4 and the electromagnet mechanism is mounted within the housing 5. The top of shell 5 is equipped with the via hole that runs through along thickness direction, and the via hole corresponds with the mounting hole position.

Alternatively, in an embodiment of the present application, as shown in fig. 1 and 2, the hall sensor 3 is disposed on the first PCB 4 and is located inside the mounting hole. The hall sensor 3 can detect the lifting of the permanent magnet 2.

Optionally, in two specific embodiments of the present application, as shown in fig. 3, the vibration feedback device further includes a second PCB 9 located on one side of the housing 5, and the hall sensor 3 is disposed on one side of the second PCB 9 close to the housing 5, so as to ensure that the hall sensor 3 can detect the movement of the permanent magnet 2. The second PCB board 9 is electrically connected to the first PCB board 4.

In this embodiment, the vibration feedback device is provided with an electromagnet mechanism and a permanent magnet 2 below the operation panel 1, the electromagnet mechanism is provided with a mounting hole, and the permanent magnet 2 is in clearance fit with the mounting hole. The vibration feedback device integrates two functions of force sensing and vibration feedback, and has a simple and compact structure. The electromagnet mechanism is arranged on the first PCB 4, so that the electromagnet mechanism can be conveniently integrated with various structures. The permanent magnet 2 is arranged in the mounting hole of the winding core 7 and is matched with a variable magnetic field of the electromagnet mechanism to generate vibration, the sensitivity to mechanical tolerance is low, the performance and the production process are stable, and the feedback hand feeling is improved.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The vibration feedback device provided by the present invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, it is possible to make various improvements and modifications to the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a vibration feedback device, its characterized in that, including operating panel (1) and with continuous permanent magnet (2) of operating panel (1), operating panel (1) below still is equipped with and is used for detecting the detection sensor of permanent magnet (2) displacement with be used for the drive the electromagnet mechanism of permanent magnet (2) vibration, be equipped with the mounting hole in the electromagnet mechanism, permanent magnet (2) set up in the mounting hole, detect the sensor with electromagnet mechanism all links to each other through first PCB board (4), first PCB board (4) are equipped with and are used for according to the detection signal drive electromagnet mechanism's controller.

2. The vibration feedback device according to claim 1, wherein the electromagnet mechanism includes a winding core (7) and a winding coil (6), and the mounting hole extends along the axis of the winding core (7).

3. The vibration feedback device according to claim 2, wherein the winding core (7) has a mounting groove provided along a circumferential direction thereof on an outer side thereof, and the winding coil (6) is disposed in the mounting groove.

4. A vibration feedback device according to claim 3, wherein the operation panel (1) is fixedly connected with the permanent magnet (2).

5. The vibration feedback device according to claim 3, wherein a connecting member (8) is disposed between the operation panel (1) and the permanent magnet (2), the operation panel (1) is fixedly connected with the connecting member (8), and the permanent magnet (2) is fixedly connected with one side of the connecting member (8) away from the operation panel (1).

6. Vibration feedback device according to claim 1, wherein the detection sensor is a hall sensor (3).

7. The vibration feedback device according to any one of claims 1 to 6, wherein a housing (5) is arranged below the operation panel (1), the electromagnet mechanism is installed in the housing (5), a through hole penetrating in the thickness direction is formed in the top of the housing (5), the through hole corresponds to the installation hole, and the first PCB (4) is arranged below the housing (5).

8. Vibration feedback device according to claim 7, wherein said detection sensor is arranged on said first PCB board (4) inside said mounting hole.

9. A vibration feedback device according to claim 7, further comprising a second PCB board (9) on one side of said housing (5), said detection sensor being provided on said second PCB board (9), said second PCB board (9) being electrically connected to said first PCB board (4).