Non-contact key with adaptive paragraph feeling

Abstract

The utility model discloses a non-contact type key with self-adaptive paragraph feeling, which comprises a key cap and a PCB (Printed Circuit Board), the center of the bottom of the key cap extends downwards to form a rod part, the rod part is provided with a sensing interaction element, the PCB is provided with a non-contact type sensing module and a vibration assembly, and the rod part is contacted with the vibration assembly through an elastic connecting piece. Compared with the prior art, the non-contact button has the advantages that motor feedback is controlled by accurately utilizing optical or Hall signals, a button paragraph feeling is given to the non-contact button which does not have hand feeling feedback force originally, and a user can improve operation accuracy and immersion feeling by virtue of clear hand feeling no matter quick skill triggering in an E-sports game.

Description

TECHNICAL FIELD

[0001] The utility model relates to key technical field especially, it relates to a kind of non-contact key with self-adapting paragraph feeling. BACKGROUND

[0002] In today's electronic device control field, such as the optical or hall key widely used in gamepad, although it has the advantages of fast response speed, long service life, etc., but compared with traditional mechanical key, it is obviously missing the paragraph feeling feedback force that can be perceived by user's finger. The jerk feeling, feedback force and unique hand feeling when traditional mechanical key is pressed provide clear operation confirmation for user, and enhance operation immersion. However, the existing optical or hall key, no matter how deep it is pressed, the hand feeling is monotonous and uniform, which cannot meet the diversified operation needs of users and the pursuit of fine control feedback. In the game scene, players are difficult to accurately grasp the operation rhythm and intensity by the key hand feeling; there is an urgent need for an innovative technology that can retain the inherent advantages of optical or hall key and skillfully introduce paragraph feeling feedback to improve human-computer interaction experience. Therefore, developing a non-contact key with self-adapting paragraph feeling has become a problem to be solved by the technical personnel in the field. SUMMARY

[0003] The utility model discloses in order to solve above insufficient, provide a kind of non-contact key with self-adapting paragraph feeling.

[0004] The above-mentioned purposes of the utility model are realized by the following technical solutions: a kind of non-contact key with self-adapting paragraph feeling, including key cap and PCB board, the key cap bottom center extends a stem portion downward, is equipped with sensing interactive element on stem portion, is equipped with non-contact sensing module and vibration assembly on the PCB board, the stem portion is contacted with vibration assembly by elastic connecting piece.

[0005] Further, the key cap bottom is provided with a return spring, the upper end of the return spring abuts against the key cap, and the lower end abuts against the PCB board.

[0006] Further, the PCB board is provided with a signal processing unit and a motor driving unit.

[0007] Further, the non-contact sensing module is an optical sensing module or a hall sensing module, the optical sensing module includes a light emitting element and a photosensitive element, and the hall sensing module is a hall sensor.

[0008] Further, when the non-contact sensing module is an optical sensing module, the sensing interactive element is a light path conducting part, and the light path conducting part is a light shielding part or a light transmission hole.

[0009] Further, when the non-contact sensing module is a hall sensing module, the sensing interactive element is a magnet.

[0010] Further, the elastic connecting piece is a rubber pad or a silica gel connecting piece.

[0011] Further, the vibration assembly is a linear vibration motor or a flat vibration motor.

[0012] Further, the non-contact key with adaptive paragraph feeling further comprises a shell, and the shell comprises a base and a top cover.

[0013] Further, the non-contact key with adaptive paragraph feeling further comprises a key stroke adjustment toggle switch or a stroke adjustment knob, and the adjustment toggle switch or the stroke adjustment knob is connected with a main control board of the gamepad.

[0014] Compared with the prior art, the utility model has the advantages that: the utility model discloses a precise utilization optical or hall signal control motor feedback, for originally no hand feeling feedback force non-contact key gives key paragraph feeling, whether it is in the rapid skill trigger of e-sports game, user can rely on clear hand feeling and promote operation accuracy and immersion. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 Fig. 1 is a schematic diagram of a three-dimensional exploded structure of one side of a first embodiment of the utility model.

[0016] Figure 2 Fig. 2 is a schematic diagram of a three-dimensional exploded structure of the other side of the first embodiment of the utility model.

[0017] Figure 3 Fig. 3 is a schematic diagram of the structure of a key cap in the first embodiment of the utility model.

[0018] Figure 4 Fig. 4 is a schematic diagram of the appearance structure of the first embodiment of the utility model.

[0019] Figure 5 Fig. 5 is a schematic diagram of a three-dimensional exploded structure of one side of a second embodiment of the utility model.

[0020] Figure 6 Fig. 6 is a schematic diagram of a three-dimensional exploded structure of the other side of the second embodiment of the utility model.

[0021] Figure 7 Fig. 7 is a schematic diagram of the structure of a key cap in the second embodiment of the utility model.

[0022] Figure 8 Fig. 8 is a schematic diagram of the appearance structure of the second embodiment of the utility model. DETAILED DESCRIPTION

[0023] The utility model will be further described in detail below with reference to the drawings.

[0024] Embodiment 1: as Figures 1 to 4As shown, a non-contact button with adaptive tactile feedback includes a housing 1, a keycap 2, and a PCB board 3. The housing 1 can be the housing of a game controller or the housing of a modular button. The housing 1 includes a base 101 and a top cover 102. The keycap 2 has a return spring 4 at its bottom, with its upper end abutting against the keycap 2 and its lower end abutting against the PCB board 3. A rod 5 extends downward from the center of the bottom of the keycap 2, and a sensing interaction element 6 is provided on the rod 5. The sensing interaction element 6 is a light-conducting component, and the light-conducting component is a light-shielding part. Alternatively, a light-transmitting hole (shown in this embodiment as a light-transmitting hole) may be provided. The PCB board 3 is provided with a non-contact sensing module 7 and a vibration component 8, as well as a signal processing unit and a motor drive unit. The non-contact sensing module 7 is an optical sensing module, which includes a light-emitting element and a photosensitive element. The vibration component 8 is a linear vibration motor or a flat vibration motor, which is disposed on the bottom side of the PCB board 3. The lower end of the rod 5 passes through the PCB board 3 and contacts the vibration component 8 through an elastic connector 9. The elastic connector 9 is a rubber pad or a silicone connector.

[0025] Example 2: Figures 5 to 8 As shown, a non-contact button with adaptive tactile feedback includes a housing 1, a keycap 2, and a PCB board 3. The housing 1 can be the housing of a game controller or the housing of a modular button. The housing 1 includes a base 101 and a top cover 102. The keycap 2 has a return spring 4 at its bottom, with its upper end abutting against the keycap 2 and its lower end abutting against the PCB board 3. A rod 5 extends downward from the center of the bottom of the keycap 2, and a sensing interaction element 6, which is a magnet, is provided on the rod 5. The PCB board 3 has a non-contact sensing module 7 and a vibration component 8, as well as a signal processing unit and a motor drive unit. The non-contact sensing module 7 is a Hall effect sensor module. The vibration component 8 is a linear vibration motor or a flat vibration motor, located on the bottom side of the PCB board 3. The lower end of the rod 5 passes through the PCB board 3 and contacts the vibration component 8 through an elastic connector 9, which is a flexible material such as a rubber pad or a silicone connector.

[0026] The utility model discloses a working principle: in the equipment start initialization stage, each component completes self -checking and initialization setting, and non -contact sensing module (optical sensing module or hall sensing module) enters standby monitoring state, and vibration component is stationary. When the user presses the button, non -contact sensor module immediately captures the light signal or magnetic field signal change of the button action and transmits to the signal processing unit. The signal processing unit amplifies, filters, analyzes to the signal received quickly and judges the current stroke of button. If in the starting downstroke, the system continues to monitor, and once the button stroke meets the preset paragraph feeling trigger condition, such as light intensity attenuation reaches specific threshold or hall potential change slope enters specified interval, the signal processing unit sends the instruction to motor drive unit. The motor drive unit generates adaptive drive signal according to the instruction, and the linear vibration motor or flat vibration motor is driven to start, and the motor provides clear paragraph feeling feedback for the user's finger in specific vibration mode.

[0027] In the utility model, signal processing unit adopts high -performance microcontroller chip, and integrates special signal processing circuit. Motor drive unit selects the drive chip with multi -way output, high -precision PWM control, and connects stable power supply module.

[0028] In addition, the utility model discloses a button stroke adjusting knob or stroke adjusting knob to change the button sensitivity, and the adjusting knob or stroke adjusting knob is connected with the main control board of gamepad, and the user can adjust the button stroke threshold in signal processing algorithm, motor feedback parameter by means of the matching software, and the button stroke and button paragraph feeling (hand feeling) of unique are created according to personal habit and operation scene, and the diversified demand is satisfied.

[0029] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement etc. in the spirit and principle of the utility model should include in the protection scope of the utility model.

Claims

1. A non-contact key with adaptive paragraph sense, comprising a keycap and a PCB board, characterized in that: The bottom center of the keycap extends downwardly to a rod part, and the rod part is provided with a sensing interaction element.

2. The non-contact key having self-adaptive paragraph sense according to claim 1, wherein: The bottom of the keycap is provided with a reset spring, and the upper end of the reset spring is abutted against the keycap, and the lower end of the reset spring is abutted against the PCB.

3. The non-contact key having adaptive paragraph sense according to claim 1, wherein: The PCB is provided with a signal processing unit and a motor driving unit.

4. The non-contact key having adaptive paragraph sense of claim 1, wherein: The non-contact sensing module is an optical sensing module or a Hall sensing module, the optical sensing module comprises a light emitting element and a photosensitive element, and the Hall sensing module is a Hall sensor.

5. The non-contact key having adaptive paragraph sense of claim 1, wherein: When the non-contact sensing module is the optical sensing module, the sensing interaction element is a light path conducting part, and the light path conducting part is a light shielding part or a light transmission hole.

6. The non-contact key having adaptive paragraph sense of claim 1, wherein: When the non-contact sensing module is the Hall sensing module, the sensing interaction element is a magnet.

7. The non-contact key having adaptive paragraph sense of claim 1, wherein: The elastic connecting element is a rubber pad or a silica gel connecting element.

8. The non-contact key having adaptive paragraph sense of claim 1, wherein: The vibration assembly is a linear vibration motor or a flat vibration motor.

9. The non-contact key having adaptive paragraph sense of claim 1, wherein: The non-contact key with adaptive paragraph feeling further comprises a shell, and the shell comprises a base and a top cover.

10. The non-contact key having adaptive paragraph sense of claim 1, wherein: The non-contact key with adaptive paragraph feeling further comprises a key stroke adjusting toggle switch or a stroke adjusting knob, and the adjusting toggle switch or the stroke adjusting knob is connected with a main control board of the gamepad.

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