CN223141905U - Game key with touch feedback - Google Patents

Abstract

The utility model relates to the technical field of electronic game equipment, and discloses a game button with tactile feedback, comprising: a PCB board, provided with a button matrix, for detecting user input; a partition board, which is installed on the PCB board by bolts and has a mounting seat; a tactile unit, comprising a button body, a linear motor and piezoelectric ceramics, wherein the button body is arranged in the mounting seat, the linear motor is installed in the button body, for simulating a deep-level tactile feeling, and the piezoelectric ceramics are installed on the PCB board, for providing instant tactile feedback; wherein the positive and negative pins of the button body and the pins of the linear motor are electrically connected to the corresponding button matrix respectively, and the utility model uses a combination of the linear motor and the piezoelectric ceramics so that the button can simulate various tactile feelings from slight vibration to strong impact, greatly enriches the game experience, and provides multi-level tactile feedback.

Description

Game key with touch feedback

Technical Field

The utility model relates to the technical field of keyboards, in particular to a game key with touch feedback.

Background

Since the advent of electronic games, the design of game controllers has undergone many innovations, from the initial simple buttons to modern complex multi-axis joysticks and multi-function keys, each evolution greatly enriching the game experience. Conventional game keys typically employ mechanical structures, such as springs and contact pads, that close a circuit to send a signal to the game console when the player presses the key. With advances in technology, and in particular with the introduction of haptic feedback technology, the gaming experience has further improved. Early tactile feedback was primarily accomplished by vibrating the motor and when the player encountered a specific event in the game, the controller would vibrate to simulate a bump or impact. However, this feedback approach is relatively single and does not provide a fine tactile change, limiting the depth of immersion.

Disclosure of utility model

In view of the foregoing, the present utility model is directed to a game key with tactile feedback.

In order to achieve the technical purpose, the scheme of the utility model is as follows:

a game key with tactile feedback, comprising:

the PCB is provided with a key matrix and is used for detecting user input;

The partition board is arranged on the PCB board through bolts and is provided with an installation seat;

The touch sensing unit comprises a key body, a linear motor and piezoelectric ceramics, wherein the key body is arranged in the mounting seat, the linear motor is arranged in the key body and used for simulating deep touch sense, and the piezoelectric ceramics are arranged on the PCB and used for providing instant touch feedback;

The positive and negative pins of the key body and the pins of the linear motor are respectively and electrically connected with the corresponding key matrix.

Preferably, the key body comprises a key cap, a shaft body, a sliding block and a connecting sheet, one end of the shaft body is detachably connected with the key cap, the other end of the shaft body is slidably mounted in the mounting seat, the sliding block is arranged between the shaft body and the mounting seat and is provided with an opening which is obliquely arranged, the connecting sheet is inserted in the mounting seat and comprises a positive plate and a negative plate, the positive plate is positioned in the opening, the negative plate is abutted to inclined planes on two sides of the opening, and when the key cap is pressed down, the positive plate is abutted to the negative plate.

Preferably, one end of the shaft body, which is positioned in the mounting seat, is provided with a protruding part, a first spring is movably mounted on the shaft body, and two ends of the first spring are respectively abutted with the inner bottom surface of the shaft body and the surface of the mounting seat.

Preferably, the key body further comprises a constraint sleeve, the constraint sleeve is clamped on the mounting seat and is abutted to the top surface of the shaft body, sliding grooves are formed in two sides of the key body, and the sliding blocks are slidably mounted between the sliding grooves in two sides of the key body.

Preferably, mounting plates are slidably mounted on two sides of the inner wall of the sliding block, each mounting plate is provided with a clamping groove, each shaft body is provided with a connecting end, and the connecting ends are clamped in the clamping grooves;

And a second spring is connected between the mounting plate and the inner top surface of the sliding block.

Preferably, the PCB board is electrically connected with a micro controller for controlling the vibration modes of the piezoelectric ceramic and the linear motor.

The utility model has the technical effects and advantages that:

1. The application can simulate various touch feeling from light micro vibration to strong impact by using the combination of the linear motor and the piezoelectric ceramic, greatly enriches game experience and provides multi-level touch feeling feedback, the accurate touch feeling feedback can enable a player to be more invested in a game, especially in shooting, racing and other types of game scenes, the simulated touch feeling can obviously improve the reality of the game, the reality and immersion of the game are enhanced, the instant touch feeling feedback enables the operation to become more visual, a user can clearly perceive each action of the user, the feedback and the accuracy of game operation are improved, and the intuitiveness and the feedback of the operation are improved.

2. When a user presses the key cap, the shaft body starts to move downwards, the connecting end enters the clamping groove along with the shaft body, the mounting plate and the sliding block are driven to move downwards integrally, and the second spring is compressed at the moment. After the key cap is released, the restoring force of the second spring promotes the mounting plate and the sliding block to move upwards, the shaft body is reset along with the restoring force, the whole key system is restored to be ready for the next operation, and through the cooperative work of the sliding block, the mounting plate and the second spring, the key body not only ensures the high precision and the stability of key operation, but also optimizes the touch feedback, and provides more comfortable and visual operation experience for users.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a shaft structure according to the present utility model;

FIG. 3 is a schematic view of a sliding sleeve according to the present utility model;

Fig. 4 is a schematic view of the internal structure of the sliding sleeve according to the present utility model.

100 Parts of a PCB, 110 parts of a key matrix, 200 parts of a baffle plate, 210 parts of a mounting seat, 300 parts of a key body, 310 parts of a key cap, 320 parts of a shaft body, 322 parts of a protruding part, 324 parts of a first spring, 326 parts of a connecting end, 330 parts of a sliding block, 332 parts of an opening, 334 parts of a mounting plate, 336 parts of a second spring, 331 parts of a clamping groove, 340 parts of a connecting piece, 342 parts of a positive plate, 344 parts of a negative plate, 350 parts of a restraining sleeve, 352 parts of a sliding groove, 400 parts of a linear motor, 500 parts of piezoelectric ceramics, 600 parts of a microcontroller.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the specific examples. The following examples are selected for illustration for the purpose of clearly and completely describing the technical solution, and other examples obtained without making any inventive effort are all within the scope of the present utility model based on the description of the present utility model.

In the following embodiments, it should be noted that, in terms of "upper", "lower", "left", "right", "inner", "outer", "top/bottom", and the like, the orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is merely for the sake of clarity in describing the present embodiment, and it does not indicate or imply that the apparatus or element to be referred to must have a specific orientation, and therefore, should not be construed as limiting the present application.

The application will be described in further detail with reference to figures 1-4,

Referring to fig. 1, an embodiment of the present application discloses a game key with tactile feedback, which includes a PCB board 100, a partition board 200, and a tactile unit.

The PCB board 100 serves as a core control component of the entire key, having a key matrix 110 for detecting user input, the key matrix 110 being capable of recognizing a pressed state of the key and transmitting a signal to the game system.

The partition 200 is mounted on the PCB board 100 by bolts for isolation and support, and has a mounting base 210 for fixing the key body 300.

The haptic unit includes a key body 300, a linear motor 400 and a piezoelectric ceramic 500, the key body 300 is disposed in the mount 210 to directly interact with a user, the linear motor 400 is mounted in the key body 300 to generate continuous or intermittent vibration such as weapon recoil, vehicle jolt, etc. for simulating deep touch feeling, and the piezoelectric ceramic 500 is mounted on the key body 300 to respond rapidly to provide instant haptic feedback such as clicking feeling, sliding feeling, etc.

Specifically, the positive and negative pins of the key body 300 and the pins of the linear motor 400 are respectively electrically connected with the corresponding key matrix 110, so as to ensure accuracy and instantaneity of signal transmission.

According to the game key with the touch feedback, through the combined use of the linear motor 400 and the piezoelectric ceramic 500, the key can simulate various touch sensations from slight vibration to strong impact, game experience is greatly enriched, multi-level touch feedback is provided, accurate touch feedback can enable a player to be more involved in a game, especially in shooting, racing and other types of game scenes, simulated touch can remarkably improve the reality of the game, the reality and immersion of the game are enhanced, instant touch feedback enables operation to become more visual, a user can clearly perceive each action of the user, feedback and accuracy of game control are improved, and intuitiveness and feedback of operation are improved.

Referring to fig. 1 and 2 and 3, the key body 300 includes a key cap 310, a shaft body 320, a slider 330 and a connection piece 340, wherein the key cap 310 is in direct contact with fingers of a user, the shape and the size of the key cap are designed to ensure comfortable touch feeling, one end of the shaft body 320 is detachably connected with the key cap 310 to facilitate replacement and maintenance, the other end of the shaft body 320 is slidably mounted in the mounting seat 210 to ensure smoothness and stability of key actions, the slider 330 is arranged between the shaft body 320 and the mounting seat 210 and has an opening 332 obliquely arranged, the connection piece 340 is inserted in the mounting seat 210 and comprises a positive plate 342 and a negative plate 344, the positive plate 342 is positioned in the opening 332, the negative plate 344 is abutted with inclined surfaces at two sides of the opening 332, and when the key cap 310 is pressed down, the positive plate 342 and the negative plate 344 are abutted with each other, the design helps to guide contact of the positive plate 342 and the negative plate 344 in the key cap 310 to ensure accurate triggering of signals, forming circuit closure, and transmitting key signals to the PCB 100.

Through the above arrangement, when the user presses the key cap 310, the shaft body 320 moves downward to drive the slider 330 to compress, at this time, the positive plate 342 is pushed forward in the opening 332 of the slider 330, and the negative plate 344 contacts the positive plate 342 due to the inclined surface, thereby completing the closing of the circuit. The process not only realizes the transmission of key signals, but also provides instant and multi-level touch feedback for users through the cooperative work of the linear motor 400 and the piezoelectric ceramic 500, thereby enhancing the feedback of operation and the reality of game experience.

Through the precise matching of the key cap 310 and the shaft body 320 and the ingenious design of the connecting sheet 340, accurate triggering of each key can be ensured, and in addition, the accuracy and comfort of user operation are improved along with instant touch feedback, the detachable connection of the key cap 310 and the shaft body 320 is convenient for personalized customization, maintenance and upgrading processes are simplified, the service life of a product is prolonged, and the key can provide an omnibearing touch experience of touching strong vibration from soft touch in combination with the deep touch simulation of the linear motor 400 and the instant touch feedback of the piezoelectric ceramic 500, so that the immersion of game control is greatly enriched.

Further, one end of the shaft body 320 located in the mounting seat 210 is provided with a protruding portion 322, the shaft body 320 is movably provided with a first spring 324, and two ends of the first spring 324 are respectively abutted with the inner bottom surface of the shaft body 320 and the surface of the mounting seat 210.

The protrusion 322 is present to better position the first spring 324, ensuring its stability and guidance during movement of the shaft 320. When the key cap 310 is pressed, the shaft 320 moves downward together with the protrusion 322, compressing the first spring 324. The shape and position design of the protruding portion 322 ensures uniform stress of the first spring 324, prevents key click or insensitivity due to offset or tilting, and when the user releases the key cap 310, the compressed first spring 324 rapidly rebounds, pushing the shaft body 320 and its upper structure to move upward, and restoring to the original position. This process not only ensures the quick return of the key, but also provides clear tactile feedback for the user, enhances the intuitiveness and feel of the operation, and the elastic coefficient and pretightening force of the first spring 324 are carefully adjusted, so that appropriate resistance and rebound force can be generated in the process of pressing and returning the key cap 310, and a "paragraph feel" similar to a mechanical keyboard is brought to the user. The touch feeling not only increases the satisfaction of key operation, but also is an indispensable part of game control, especially in games requiring accurate operation, and good touch feeling can remarkably improve the operation precision and response speed of players.

Referring to fig. 3, the key body 300 further includes a constraining sleeve 350, where the constraining sleeve 350 is clamped on the mounting base 210 and abuts against the top surface of the shaft body 320, and sliding grooves 352 are formed on two sides of the constraining sleeve, and the sliding block 330 is slidably mounted between the sliding grooves 352 on two sides.

Through the arrangement of the structure, the constraint sleeve 350 is designed to be clamped on the mounting seat 210, the stable positioning of the constraint sleeve 350 is ensured by the connection mode, the assembly process is simplified, the production efficiency and the maintenance convenience are improved, the top surface of the constraint sleeve 350 is directly abutted to the top surface of the shaft body 320, the vertical movement of the shaft body 320 is restrained in the key operation process, the transverse shaking is reduced, the accuracy and the stability of key actions are ensured, the sliding grooves 352 are formed in the two sides of the constraint sleeve 350, and the sliding blocks 330 are slidably mounted between the sliding grooves 352. Such a structural arrangement ensures smooth movement of the slider 330 during key actuation, reduces friction and wear, while the runner 352 also serves as a guide to assist the slider 330 in precisely following a predetermined path, avoids the risk of off-track, and the close fit of the constraining sheath 350 and runner 352 provides a smooth and consistent trajectory for the overall movement of the key body 300, which is critical to the proper functioning of the tactile feedback mechanism. Whether by the tactile feedback provided by the linear motor 400 or the piezoelectric ceramic 500, a stable physical platform is required to ensure accuracy and consistency of the feedback.

Referring to fig. 4, mounting plates 334 are slidably mounted on both sides of the inner wall of the slider 330, the mounting plates 334 have a clamping groove 331, the shaft body 320 has a connection end 326, and the connection end 326 is clamped in the clamping groove 331;

Specifically, a second spring 336 is connected between the mounting plate 334 and the inner top surface of the slider 330.

With the above configuration, when the user presses the key cap 310, the shaft 320 starts to move downward, and the connection end 326 enters the slot 331, so as to drive the mounting plate 334 and the slider 330 to move downward integrally, and at this time, the second spring 336 is compressed. After the key cap 310 is released, the restoring force of the second spring 336 drives the mounting plate 334 and the sliding block 330 to move upwards, the shaft body 320 is reset along with the upward movement, the whole key system is restored to be ready for the next operation, and through the cooperation of the sliding block 330, the mounting plate 334 and the second spring 336, the key body 300 not only ensures the high precision and stability of key operation, but also optimizes the touch feedback, and provides more comfortable and visual operation experience for users, on the other hand, the connecting end 326 can be clamped in the clamping grooves 331 at different positions, the distance between the connecting end 326 and the sliding block 330 is changed, different knocking handfeel is generated, and the requirements of different clients are met.

Referring to fig. 1, a micro controller 600 for controlling vibration modes of the piezoelectric ceramic 500 and the linear motor 400 is electrically connected to the pcb board 100.

With the above configuration, when a user operates a key, the key matrix 110 detects a signal and transmits it to the microcontroller 600, the microcontroller 600 analyzes characteristics of the signal including the type, strength and duration of the key, and information of the current game scene, based on which the microcontroller 600 generates control instructions for the piezo-ceramic 500 and the linear motor 400, which include parameters of vibration modes such as frequency, amplitude and duration, and the controller 600 transmits the control instructions to the piezo-ceramic 500 and the linear motor 400, which perform corresponding vibrations according to the instructions, providing the user with instant and variable tactile feedback, and based on the change of the game scene and the user operation, the microcontroller 600 can dynamically adjust the tactile feedback strategy, for example, in a racing game, the vibration modes can be adjusted according to the material change of the virtual road surface, or in a shooting game, the tactile simulation can be performed according to different squat force characteristics of the weapon.

The utility model relates to a game key with touch feedback, wherein one application scene is as follows:

1. System components:

Piezoelectric ceramic 500 for generating vibration.

The microcontroller 600 (e.g., arduino, ESP32, etc.) is responsible for handling key inputs and controlling vibration modes.

And a driving circuit for amplifying the signal of the microcontroller and providing enough current for the piezoelectric ceramic 500.

Key matrix 110-key combinations for detecting user inputs.

And the memory is used for storing preset vibration mode data.

And the power management module is used for providing stable power supply.

2. The function is realized:

2.1 Keyboard scanning and key identification

The microcontroller 600 periodically scans the key matrix 110 to identify the currently pressed key combination.

When a new key combination is detected, recording and judging whether the new key combination is matched with a preset vibration mode.

2.2 Preset vibration mode

A series of preset vibration modes are designed, and each mode corresponds to a specific group of key combinations.

These modes may be vibrations of different frequencies, intensities or durations, or may be complex sequences of vibrations.

The data for these modes is stored in the memory of microcontroller 600.

2.3 Vibration mode control

When the microcontroller 600 recognizes a key combination matching a preset pattern, the corresponding vibration pattern data is read from the memory.

According to the mode data, the voltage and frequency of the piezoelectric ceramic 500 are adjusted by the driving circuit, thereby generating a specific vibration effect.

3. User interface

A way is provided for the user to customize or select the vibration mode, such as through a software interface or menu on the device.

Allowing the user to save his own vibration patterns for quick recall in future use.

4. Implementation details

Programming, namely programming codes to realize key scanning, pattern recognition and vibration control.

And (3) designing hardware design, namely designing a circuit board layout to ensure good electrical connection among all components.

Testing and debugging, namely testing the vibration effect under each key combination and adjusting parameters to optimize user experience.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, and any minor modifications, equivalents, and improvements made to the above embodiments according to the technical principles of the present utility model should be included in the scope of the technical solutions of the present utility model.

Claims (6)

1. A game button with tactile feedback, characterized by comprising: A PCB board (100) having a key matrix (110) for detecting user input; A partition (200) is mounted on the PCB board (100) by means of bolts and has a mounting seat (210); A touch unit, comprising a key body (300), a linear motor (400) and a piezoelectric ceramic (500), wherein the key body (300) is arranged in the mounting seat (210), the linear motor (400) is installed in the key body (300) for simulating a deep touch, and the piezoelectric ceramic (500) is installed on the PCB board (100) for providing instant tactile feedback; Wherein, the positive and negative pins of the button body (300) and the pins of the linear motor (400) are electrically connected to the corresponding button matrix (110) respectively. 2. A game key with tactile feedback according to claim 1, characterized in that: the key body (300) comprises a key cap (310), a shaft (320), a slider (330) and a connecting piece (340), one end of the shaft (320) is detachably connected to the key cap (310), the other end of the shaft (320) is slidably installed in the mounting seat (210), and the slider (330) is arranged between the shaft (320) and the mounting seat (210). The mounting seat (210) has an opening (332) arranged obliquely, the connecting piece (340) is inserted into the mounting seat (210), and comprises a positive electrode piece (342) and a negative electrode piece (344), the positive electrode piece (342) is located in the opening (332), and the negative electrode piece (344) abuts against the inclined surfaces on both sides of the opening (332), and when the key cap (310) is pressed down, the positive electrode piece (342) and the negative electrode piece (344) abut against each other. 3. A game button with tactile feedback according to claim 2, characterized in that: one end of the shaft (320) located in the mounting seat (210) has a protrusion (322), and a first spring (324) is movably mounted on the shaft (320), and two ends of the first spring (324) are respectively in contact with the inner bottom surface of the shaft (320) and the surface of the mounting seat (210). 4. A game button with tactile feedback according to claim 3, characterized in that: the button body (300) also includes a constraint sleeve (350), the constraint sleeve (350) is clamped on the mounting seat (210) and abuts against the top surface of the shaft body (320), and has slide grooves (352) on both sides, and the slider (330) is slidably installed between the slide grooves (352) on both sides. 5. A game button with tactile feedback according to claim 4, characterized in that: mounting plates (334) are slidably mounted on both sides of the inner wall of the slider (330), the mounting plate (334) has a slot (331), the shaft (320) has a connecting end (326), and the connecting end (326) is engaged in the slot (331); Wherein, a second spring (336) is connected between the mounting plate (334) and the inner top surface of the sliding block (330). 6. A game button with tactile feedback according to any one of claims 1 to 5, characterized in that a microcontroller (600) is electrically connected to the PCB board (100) for controlling the vibration mode of the piezoelectric ceramic (500) and the linear motor (400).