CN110444422B - Structure of replaceable key - Google Patents
Structure of replaceable key Download PDFInfo
- Publication number
- CN110444422B CN110444422B CN201810420837.XA CN201810420837A CN110444422B CN 110444422 B CN110444422 B CN 110444422B CN 201810420837 A CN201810420837 A CN 201810420837A CN 110444422 B CN110444422 B CN 110444422B
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- Prior art keywords
- key module
- key
- trigger switch
- module
- magnetic
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2231/00—Applications
- H01H2231/002—Calculator, computer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2231/00—Applications
- H01H2231/008—Video game
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2233/00—Key modules
- H01H2233/03—Key modules mounted on support plate or frame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2233/00—Key modules
- H01H2233/05—Actuator part on body
- H01H2233/068—Actuator part on body connected by spring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2239/00—Miscellaneous
- H01H2239/024—Miscellaneous with inductive switch
Abstract
A kind of removable key structure, including a key support, a circuit base plate and a contact connector, the key support is set up above the circuit base plate, the key support provides a mounting groove, can set up a first key module and a second key module selectively in the mounting groove; the circuit board is provided with a magnetic sensor corresponding to the mounting groove of the key support, the first key module is provided with an axis, the bottom of the axis is connected with a magnetic component, and the magnetic sensor can output an analog signal when the magnetic component approaches; the second key module is provided with a trigger switch, the trigger switch is provided with two contact terminals arranged on the bottom surface of the second key module, and when the second key module is arranged in the mounting groove, the contact terminals of the trigger switch can be electrically connected with the contact connector.
Description
Technical Field
The present invention relates to a detachable key structure, and more particularly, to a detachable key structure for a computer keyboard or a game keyboard.
Background
Electronic devices such as computers, game consoles and multimedia players are often used in combination with keyboards as input devices, and the keyboards usually have a plurality of key modules for inputting characters or function keys as input operation instructions.
The key module of the conventional keyboard is roughly classified into a mechanical keyboard or a membrane keyboard, and the key module of either the mechanical keyboard or the membrane keyboard generally has a trigger switch, and the trigger switch is turned on when a key cap of the key module is pressed, whereas the trigger switch can be turned off when the key cap of the key module is not pressed.
Because the signal that the key module of the existing keyboard can only be outputted through the trigger switch belongs to the form of analog signal, the existing keyboard is only suitable for inputting characters or generating control signals in a digital form. When a user plays a game using a keyboard, only a direction control, an instruction input, or a trigger-type motion control can be performed through a key module of the keyboard. Alternatively, when the user operates the software using the keyboard, the user can input only characters and numbers using the keyboard, or can input only an operation such as moving a cursor or inputting a control command through a function key.
However, in many games, control is required by analog signals (for example, control of the hitting power in the game, control of the throttle valve of an airplane or racing car, control of the jump height, and the like), and therefore, the control of the above-described operation cannot be performed by the keyboard, and the control of the above-described operation must be performed by a joystick or a dedicated game controller.
In addition, there are many instructions or functions that must be finely adjusted in the computer using image editing or design software, such as: the adjustment and control of the image exposure value, transparency, hue and saturation all require fine scale adjustment, however, the existing keyboard can only provide control signals in digital form, and therefore, the existing keyboard must be assisted by other input devices (such as a mouse or a joystick) to control the commands or functions of the above types.
For the above reasons, the key module of the existing keyboard can only be used to output digital signals, so that the control function of the existing keyboard for games or software is limited, and how to overcome the above-mentioned defects by improving the structure and the design of the manufacturing method has become one of the important issues to be solved by the industry.
Disclosure of Invention
The invention mainly aims to solve the problem that the key module of the existing keyboard can only output digital signals and can not provide game and software analog signal control functions.
The embodiment of the invention provides a replaceable key structure, which comprises a key support, a circuit substrate and a contact connector. The key support is provided with an installation groove, and a first key module or a second key module can be selectively arranged in the installation groove; the circuit substrate is arranged below the key support, and a magnetic sensor is arranged at the position of the circuit substrate corresponding to the mounting groove; the first key module and the second key module respectively comprise an axle center and a spring, the axle center can move downwards from an upper end point position to a lower end point position when being pushed by an external force, and returns to the upper end point position when the external force disappears and is pushed by the spring; the first key module further comprises a magnetic assembly, the magnetic assembly is connected to the bottom of the axis, the position of the magnetic sensor corresponds to the magnetic assembly, when the magnetic assembly moves along with the axis of the first key module and approaches the magnetic sensor, the magnetic sensor outputs an analog signal under the induction of a magnetic field of the magnetic assembly, and the intensity of the analog signal changes along with the distance between the magnetic assembly and the magnetic induction assembly; the second key module further comprises a trigger switch, when the axis of the second key module is pushed downwards by external force to a trigger position, the trigger switch can be triggered to generate a digital signal, the trigger switch is located at the bottom of the second key module and is provided with a contact terminal, the position of the contact terminal corresponds to the position of the contact connector, and when the second key module is arranged in the mounting groove, the contact terminal can be connected with the contact connector and is used for transmitting the digital signal to the circuit substrate.
In a preferred embodiment of the present invention, each of the first key module and the second key module further includes a key housing, and a plurality of engaging members are respectively disposed on a side surface of the key housing for engaging and positioning the first key module or the second key module in the mounting groove.
In a preferred embodiment of the present invention, the magnetic component of the first key module is a cylindrical magnet, the central axis of the magnetic component and the direction of the reciprocal displacement of the axis of the first key module are parallel to each other, and the magnetic component is disposed at the bottom end of the axis.
In a preferred embodiment of the present invention, the magnetic sensor is a hall sensor, and the position of the magnetic sensor disposed on the circuit substrate and the position of the magnetic assembly correspond to each other.
In a preferred embodiment of the present invention, the trigger switch is disposed at a position of the second key module located at a side edge of the axis, and the trigger switch includes a first conductive plate and a second conductive plate, where the first conductive plate has a spring portion capable of contacting the second conductive plate to enable the trigger switch to be in a conducting state; the axle center of second button module is close to trigger switch's one side is provided with a trigger part, works as the axle center is located when the up end position, trigger part can with shell fragment portion contact to force the separation of shell fragment portion with the second conducting strip, and make trigger switch becomes the off state, works as when the axle center shifts to a trigger position, trigger part can break away from the shell fragment portion and contact the second conducting strip, and makes trigger switch becomes the on state.
In a preferred embodiment of the present invention, bottom ends of the first conductive sheet and the second conductive sheet respectively extend to a bottom end of the key housing, and bottom ends of the first conductive sheet and the second conductive sheet are respectively provided with a contact terminal; the contact connector is arranged on the circuit substrate, the position of the contact connector corresponds to that of the trigger switch, the contact connector is provided with two circuit contacts, the positions of the two circuit contacts correspond to the positions of the contact terminals of the first conducting strip and the second conducting strip respectively, and when the second key module is arranged in the mounting groove, the two contact terminals can be in contact with the two circuit contacts, so that the trigger switch and the contact connector are electrically connected.
A preferred embodiment of the present invention further provides a detachable key structure, which includes: the key support is provided with a mounting groove, and a third key module can be selectively arranged in the mounting groove; the circuit substrate is arranged below the key support, and a magnetic sensor is arranged at the position of the circuit substrate corresponding to the mounting groove; the third key module comprises an axle center and a spring, wherein the axle center can move downwards from an upper end point position to a lower end point position when being pushed by an external force, and returns to the upper end point position by being pushed by the spring when the external force disappears; the third key module comprises a key shell, and a plurality of clamping components are arranged on the side surface of the key shell respectively and used for clamping and positioning the third key module in the mounting groove; the third key module further comprises a magnetic component, the magnetic component is connected to the bottom of the axis, the position of the magnetic sensor corresponds to the magnetic component, when the magnetic component moves along with the axis of the first key module and approaches the magnetic sensor, the magnetic sensor outputs an analog signal under the induction of the magnetic field of the magnetic component, and the intensity of the analog signal changes along with the distance between the magnetic component and the magnetic induction component; the third key module comprises a trigger switch, when the axle center of the second key module is pushed downwards by external force to a trigger position, the trigger switch can be triggered to generate a digital signal, the trigger switch is positioned at the bottom of the second key module and is provided with a contact terminal, the position of the contact terminal corresponds to the position of the contact connector, and when the second key module is arranged in the mounting groove, the contact terminal can be connected with the contact connector and is used for transmitting the digital signal to the circuit substrate.
The replaceable key structure has the advantages that the magnetic sensor and the contact connector are arranged at the position corresponding to at least one mounting groove, and the first key module and the second key module are detachably arranged in the mounting groove, so that a user can selectively arrange the first key module or the second key module in the at least one mounting groove without using special tools, even can further arrange the third key module, and the replaceable key structure has excellent use elasticity.
For a better understanding of the nature and technical aspects of the present invention, reference should be made to the following detailed description of the invention, taken in conjunction with the accompanying drawings, which are provided for purposes of illustration and description, and are not intended to be limiting.
Drawings
Fig. 1 is an exploded cross-sectional view of an embodiment of a replaceable key structure of the present invention.
Fig. 2 is a combined cross-sectional view of the first key module of the replaceable key structure of the present invention, which is disposed in the mounting groove and has an axis at the upper end position.
Fig. 3 is a combined cross-sectional view of the first key module of the replaceable key structure of the present invention, which is disposed in the mounting groove and has an axis located at a lower endpoint position.
Fig. 4 is a combined cross-sectional view of the second key module of the replaceable key structure of the present invention, which is disposed in the mounting groove and has an axis at the upper end position.
Fig. 5 is a combined cross-sectional view of the second key module of the replaceable key structure of the present invention, which is disposed in the mounting groove and has an axis located at the lower endpoint.
Fig. 6 is a combined cross-sectional view of the third key module of the replaceable key structure of the present invention, which is disposed in the mounting groove and has an axis at the upper end.
Fig. 7 is a combined cross-sectional view of the third key module of the replaceable key structure of the present invention, which is disposed in the mounting groove and has an axis located at the lower endpoint.
Detailed Description
Fig. 1 shows a keyboard structure using the detachable key structure of the present invention. The keyboard comprises a keyboard base 10, and a key support 12 and a circuit substrate 13 are arranged on the keyboard base 10. The key holder 12 is provided with a plurality of mounting slots 121 for mounting a plurality of key modules 20 on the key holder 12.
The plurality of key modules 20 includes a first key module 20a and a second key module 20b, wherein the first key module 20a is a key module for outputting analog signals, and the second key module 20b is for outputting digital signals. The first key module 20a and the second key module 20b can be selectively disposed in the mounting groove 121 of the key support 12, so that a user can dispose the first key module 20a or the second key module 20b in the mounting groove 121 according to a requirement to output an analog signal or a digital signal.
As shown in fig. 1, a magnetic sensor 30 and a contact connector 40 are disposed on the circuit substrate 13 at a position corresponding to the mounting groove 121 of the key holder 12, wherein the magnetic sensor 30 is a hall sensor, and the magnetic sensor 30 is used to cooperate with the first key module 20a to output an analog signal. The magnetic sensor 30 has a plurality of analog signal pins 31, and is soldered to the circuit board 13 through the analog signal pins 31 and electrically connected to the circuit board 13. The contact connector 40 is disposed at a side of the magnetic sensor 30, the contact connector 40 has a plurality of circuit pads 41, and the circuit pads 41 are soldered to the circuit board 13 through a plurality of conductive pins 42 and electrically connected to the circuit board 13. The contact connector 40 is adapted to cooperate with the second key module 20b for transmitting the digital signal generated by the second key module 20b to the circuit substrate 13.
As shown in fig. 2 and 3, the first key module 20a of the present invention has a key housing 21, the bottom shape and size of the key housing 21 is matched with the mounting groove 121 of the key support 12 and can be inserted into the mounting groove 121, and the side surface of the key housing 21 is provided with a plurality of engaging members 211, when the first key module 20a is inserted into the mounting groove 121, the engaging members 211 can be engaged with the edge of the mounting groove 121 to detachably mount the first key module 20a in the mounting groove 121 of the key support 12.
The first key module 20a further has a shaft 22, the shaft 22 is disposed in the key housing 21 in a manner of reciprocating along the central axis, and the upper end of the shaft 22 protrudes from the top surface of the key housing 21, and a key cap 24 is further disposed at the upper end of the shaft 22 for being pressed by a finger of a user. The shaft 22 is provided with a spring 23 at an end opposite to the key cap 24, when the shaft 22 is pressed by a user's finger, the shaft can displace toward the spring 23, so that the spring 23 is compressed by the bottom end of the shaft 22, and after the pressure of the user's finger disappears, the shaft 22 can be pushed toward the key cap 24 by the elastic force of the spring 23, so that the shaft 22 and the key cap 24 can reciprocate between an upper end position and a lower end position.
The first key module 20a is provided with a magnetic element 25 at an end of the shaft 22 opposite to the key cap 24, in this embodiment, the magnetic element 25 is a cylindrical magnet, and a central axis of the magnetic element 25 and a direction of the shaft 22 of the first key module 20a reciprocating and displacing are parallel to each other and are disposed at a bottom end of the shaft 22. When the shaft 22 is reciprocally displaced, the magnetic member 25 can also be moved together with the shaft 22.
As shown in fig. 2 and 3, the position of the magnetic sensor 30 disposed on the circuit substrate 13 corresponds to the position of the magnetic element 25 of the first key module 20a, and when the magnetic element 25 moves back and forth along with the shaft 22, the distance between the magnetic element 25 and the magnetic sensor 30 changes accordingly. In this embodiment, the magnetic Sensor 30 is a Hall Sensor (Hall Effect Sensor), when the magnetic element 25 is close to the magnetic Sensor 30, the magnetic Sensor 30 can sense the magnetic field generated by the magnetic element 25, and then output an analog signal, and when the distance between the magnetic element 25 and the magnetic Sensor 30 is changed, the voltage of the analog signal output by the magnetic Sensor 30 is changed, so that the first key module 20a and the magnetic Sensor 30 are mutually matched to generate a function of pressing and standing an induction key similar to a game joystick (gamepad), and a user can control the intensity of the analog signal output by the magnetic Sensor 30 by pressing the depth of the stroke of the key cap 24.
As shown in fig. 4 and 5, the second key module 20b can be selectively disposed in the mounting groove 121 of the key holder 12, the second key module 20b also has a key housing 21 and a shaft 22, and a key cap can be disposed on a top end of the shaft 22. The exterior and size of the key housing 21 of the second key module 20b are similar to those of the key housing 21 of the first key module 20a, and the side surface of the key housing 21 is also provided with a fastening member 211, so that the second key module 20b can be detachably disposed in the mounting groove 121 of the key frame 12.
The second key module 20b further has a trigger switch 26, the trigger switch 26 includes a first conductive sheet 261 and a second conductive sheet 262, the first conductive sheet 261 and the second conductive sheet 262 and the axis 22 are disposed in the key housing 21 at a position on a side of the axis 22 in a manner of being parallel to each other, wherein the first conductive sheet 261 and the second conductive sheet 262 are parallel to each other, bottom ends of the first conductive sheet 261 and the second conductive sheet 262 extend to a lower side of the bottom surface of the key housing 21, and bottom ends of the first conductive sheet 261 and the second conductive sheet 262 are respectively provided with a contact terminal 263. The positions of the circuit contacts 41 of the contact connector 40 correspond to the positions of the contact terminals 263 at the bottom ends of the first conductive sheet 261 and the second conductive sheet 262, so that when the second key module 20b is inserted into the mounting slot 121 of the key frame 12, the contact terminals 263 at the bottom ends of the first conductive sheet 261 and the second conductive sheet 262 can contact with the circuit contacts 41 of the contact connector 40, so that the first conductive sheet 261 and the second conductive sheet 262 are electrically connected to the contact connector 40.
An elastic piece portion 264 is disposed at an end of the first conductive sheet 261 opposite to the contact terminal 263, and a trigger portion 221 is disposed at a side of the shaft 22 close to the first conductive sheet 261. The elastic piece portion 264 of the first conductive sheet 261 can be elastically bent, and when the elastic piece portion 264 of the first conductive sheet 261 is not in contact with the trigger portion 221 of the shaft 22, the elastic piece portion 264 can be in contact with the second conductive sheet 262, so that the first conductive sheet 261 and the second conductive sheet 262 are electrically connected to form a conducting state of the trigger switch 26 (as shown in fig. 5). As shown in fig. 4, when the shaft center 22 of the second key module 20b moves to the upper end position, the trigger portion 221 on the side of the shaft center 22 can contact the elastic piece portion 264 and push the elastic piece portion 264, so that the elastic piece portion 264 bends toward the direction away from the second conductive sheet 262, and thus the elastic piece portion 264 is not in contact with the second conductive sheet 262, and the trigger switch 26 is turned to the off state. As shown in fig. 5, when the shaft 22 of the second key module 20b is pressed downward by the user, when the shaft 22 is displaced to a triggering position, the triggering portion 221 on the side of the shaft 22 can be separated from the elastic sheet portion 264, so that the elastic sheet portion 264 contacts with the second conductive sheet 262, and thus the trigger switch 26 is turned on to generate a digital signal.
It should be noted that the trigger position of the shaft core 22 is not shown in fig. 5, and the trigger position of the shaft core 22 refers to a position where the trigger portion 221 of the shaft core 22 is just separated from the elastic piece portion 264 and the elastic piece portion 264 can contact the second conductive sheet 262 during the process of moving the shaft core 22 from the upper end point position to the lower end point position, so that the trigger position when the shaft core 22 is displaced is between the upper end point position and the lower end point position.
As shown in fig. 1, in the present invention, the magnetic sensor 30 and the contact connector 40 are disposed on the circuit substrate 13 at positions corresponding to the mounting groove 121, and the first key module 20a and the second key module 20b can be detachably disposed in the mounting groove 121, respectively, so that a user can selectively dispose the first key module 20a or the second key module 20b in the mounting groove 121 of the key holder 12 according to the requirement, so as to output analog signals or digital signals, respectively.
Therefore, the present invention can provide at least one mounting groove 121 on the key support 12 of a keyboard, and the magnetic sensor 30 and the contact connector 40 are disposed on the circuit substrate 13 at a position corresponding to the at least one mounting groove 121, so that a user can selectively set the first key module 20a for outputting an analog signal or the second key module 20b for outputting a digital signal in the at least one mounting groove 121 according to a requirement of a game or software control.
When a game player uses the keyboard of the present invention to play a game or software operation, if there is a need for controlling the game or software operation through an analog signal, the first key module 20a can be disposed in at least one of the mounting slots 121 to be used as a control key of the analog signal, for example: 1. the control of the launch and the force of the shot in the shot game. 2. Control of throttle and brake, and steering of the steering wheel in racing games. 3. Throttle control and flap control in flight games. And 4, in the MMORPG game, the magnitude control of the attack output force and the like can be used as control signals through the analog signals output by the first key module 20 a. 5. For example, in the art design software or the movie editing post-production software, the analog signal output by the first key module 20a can be used as the control signal for the brush depth, the color adjustment, the contrast adjustment, and the time axis control, so that the user can perform the software operation more accurately.
On the contrary, when the game or software operated by the user does not need to use the analog control signal, the second key module 20b can be disposed in at least one of the mounting slots 121, so that the key disposed in at least one of the mounting slots 121 can be used for outputting the digital signal.
The key module 20 of the present invention can further provide a third key module 20c in addition to the first key module 20a and the second key module 20b, as shown in fig. 1, 6 and 7, wherein the third key module 20c of the present invention is a key module capable of outputting analog signals and digital signals simultaneously. The third key module 20c also has a key housing 21, a shaft 22 and a spring 23, and a key cap can be disposed on the top end of the shaft 22. The shape and size of the key housing 21 of the third key module 20c are matched with those of the mounting groove 121, and the side surface of the key housing 21 is also provided with the fastening member 211, so that the third key module 20c is detachably disposed in the mounting groove 121 of the key frame 12.
The third key module 20c has a magnetic component 25 disposed at the bottom end of the shaft 22, and a trigger switch 26 disposed at one side of the shaft 22. The structure and operation of the key housing 21, the shaft 22, the spring 23, the magnetic component 25 and the trigger switch 26 of the third key module 20c are the same as those of the corresponding components of the first key module 20a and the second key module 20b, and therefore, the description thereof is not repeated.
The third key module 20c has the magnetic component 25 and the trigger switch 26, so that the third key module 20c can simultaneously output an analog signal and a digital signal, and the third key module 20c is suitable for the occasions requiring digital and analog control signals. Of course, the third key module 20c can also switch the third key module 20c to output the analog signal and the digital signal simultaneously, or output only the analog signal or output only the digital signal separately in a software control manner, so as to meet different types of software control requirements.
[ possible effects of the embodiment ]
The detachable key structure has the following beneficial effects:
1. the replaceable key structure of the present invention can arrange the first key module 20a for outputting analog signals in at least one of the mounting grooves 121, and the strength of the analog signals output by the first key module 20a can be changed along with the depth of the key cap 24 pressed by the user, so that when the user plays games or operates software using the keyboard, the first key module 20a can generate control signals similar to the pressure control key of the existing game joystick, thereby breaking through the limitation of the existing keyboard for simply outputting digital signals.
2. The replaceable key structure of the present invention is provided with the magnetic sensor 30 and the contact connector 40 at the position corresponding to at least one of the mounting slots 121, and the first key module 20a and the second key module 20b are detachably disposed in the mounting slots 121, so that a user can selectively dispose the first key module 20a or the second key module 20b, even further dispose the third key module 20c, in at least one of the mounting slots without using a special tool, thereby providing the present invention with excellent flexibility in use.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, so that all equivalent technical changes made by using the contents of the present specification and the accompanying drawings are included in the scope of the present invention.
Claims (10)
1. A replaceable key structure, comprising:
the key support is provided with a plurality of mounting grooves, and a first key module or a second key module can be selectively arranged in each mounting groove;
the circuit substrate is arranged below the key support, and a magnetic sensor and a contact connector which are adjacent to each other are respectively arranged at the position of the circuit substrate corresponding to each mounting groove;
each first key module and each second key module respectively comprise an axle center and a spring, the axle center can move downwards from an upper end point position to a lower end point position when being pushed by an external force, and returns to the upper end point position when the external force disappears and is pushed by the spring;
each first key module further comprises a magnetic component, the magnetic component is connected to the bottom of the axis, the position of the magnetic sensor corresponds to that of any one of the magnetic components, when the magnetic component moves along with the axis of the first key module and approaches the magnetic sensor, the magnetic sensor outputs an analog signal under the induction of a magnetic field of the magnetic component, and the intensity of the analog signal changes along with the distance between the magnetic component and the magnetic sensor;
each second key module further comprises a trigger switch, when the axis of the second key module is pushed downwards by external force to a trigger position, the trigger switch can be triggered to generate a digital signal, the trigger switch is positioned at the bottom of the second key module and is provided with at least one contact terminal, any one of the positions of the at least one contact terminal corresponds to the position of the contact connector, and when any one of the second key modules is arranged in the mounting groove, the contact terminal can be connected with the contact connector to transmit the digital signal to the circuit substrate;
wherein any one of the mounting grooves on the key support is planned to be capable of selectively arranging one of the first key module and the second key module according to the requirement of a user.
2. The replaceable key structure of claim 1, wherein the first key module and the second key module each further comprise a key housing, and a plurality of engaging members are disposed on a side of the key housing for engaging and positioning the first key module or the second key module in the mounting groove.
3. The replaceable key structure of claim 2, wherein the magnetic component of the first key module is a cylindrical magnet, the central axis of the magnetic component and the direction of the reciprocal displacement of the axis of the first key module are parallel to each other, and the magnetic component is disposed at the bottom end of the axis.
4. The replaceable key structure of claim 3 wherein the magnetic sensor is a Hall sensor, and the magnetic sensor is disposed on the circuit substrate at a position corresponding to the magnetic assembly.
5. The replaceable key structure of claim 2, wherein the trigger switch is disposed at a position on a side of the shaft of the second key module, the trigger switch includes a first conductive sheet and a second conductive sheet, wherein the first conductive sheet has a tab portion capable of contacting the second conductive sheet to turn the trigger switch into a conducting state; the axle center of second button module is close to trigger switch's one side is provided with a trigger part, works as the axle center is located when the up end position, trigger part can with shell fragment portion contact to force the separation of shell fragment portion with the second conducting strip, and make trigger switch becomes the off state, works as when the axle center shifts to a trigger position, trigger part can break away from the shell fragment portion and contact the second conducting strip, and makes trigger switch becomes the on state.
6. The replaceable key structure of claim 5, wherein bottom ends of the first and second conductive sheets extend to bottom ends of the key housing, respectively, and the bottom ends of the first and second conductive sheets form the contact terminals, respectively; the contact connector is arranged on the circuit substrate, the position of the contact connector corresponds to that of the trigger switch, the contact connector is provided with two circuit contacts, the positions of the two circuit contacts correspond to the positions of the contact terminals of the first conducting strip and the second conducting strip respectively, and when the second key module is arranged in the mounting groove, the two contact terminals can be in contact with the two circuit contacts, so that the trigger switch and the contact connector are electrically connected.
7. The replaceable key structure as claimed in any one of claims 1 to 6, comprising:
the third key module comprises a key shell, and a plurality of clamping components are arranged on the side surface of the key shell respectively and used for clamping and positioning the third key module in any one of the mounting grooves;
the third key module also comprises an axis and a magnetic component, wherein the axis of the third key module can be downwards displaced to a lower end point position from an upper end point position when being pushed by an external force, and can be pushed by the spring to return to the upper end point position when the external force disappears; the magnetic component of the third key module is connected to the bottom of the axis of the third key module, the position of the magnetic sensor corresponds to the magnetic component of the third key module, when the magnetic component of the third key module moves along with the axis of the third key module and approaches the magnetic sensor, the magnetic sensor outputs an analog signal under the induction of the magnetic field of the magnetic component of the third key module, and the intensity of the analog signal changes along with the distance between the magnetic component of the third key module and the magnetic sensor;
the third key module comprises a trigger switch, when the axis of the third key module is pushed downwards to a trigger position by external force, the trigger switch of the third key module can be triggered to generate a digital signal, the trigger switch of the third key module is positioned at the bottom of the third key module and is provided with at least one contact terminal, the position of the at least one contact terminal of the third key module corresponds to the position of the contact connector, and when the third key module is arranged in the mounting groove, the contact terminal of the third key module can be connected with the contact connector to transmit the digital signal to the circuit substrate;
wherein any one of the mounting slots on the key support is configured to selectively position one of the first key module and the second key module and the third key module according to user requirements.
8. The replaceable key structure of claim 7, wherein the magnetic component of the third key module is a cylindrical magnet, the central axis of the magnetic component of the third key module and the direction of the reciprocal displacement of the axis of the third key module are parallel to each other, and the magnetic component of the third key module is disposed at the bottom end of the axis of the third key module; the magnetic sensor of the third key module is a hall sensor, and the position of the magnetic sensor arranged on the circuit substrate corresponds to the position of the magnetic component of the third key module.
9. The replaceable key structure of claim 7, wherein the trigger switch of the third key module is disposed at a position of the third key module at a side of the axis of the third key module, the trigger switch of the third key module comprises a first conductive sheet and a second conductive sheet, wherein the first conductive sheet has a spring portion capable of contacting the second conductive sheet to turn the trigger switch into the on state; the axle center of the third key module is close to one side of the trigger switch of the third key module, a trigger part is arranged on one side of the trigger switch, when the axle center of the third key module is positioned at the upper end point position, the trigger part of the third key module can be contacted with the elastic sheet part and force the elastic sheet part and the second conductive sheet of the third key module to be separated, so that the trigger switch of the third key module is in an open circuit state, and when the axle center of the third key module is displaced to the trigger position, the trigger part of the third key module can be separated from the elastic sheet part and contacted with the second conductive sheet, so that the trigger switch is in an open circuit state.
10. The replaceable key structure of claim 9, wherein bottom ends of the first and second conductive sheets of the third key module extend to a bottom end of the key housing, respectively, and the bottom ends of the first and second conductive sheets of the third key module form the contact terminals of the third key module, respectively; the contact connector is arranged on the circuit substrate and corresponds to the trigger switch of the third key module, the contact connector is provided with two circuit contacts, the positions of the two circuit contacts respectively correspond to the positions of the first conducting strip of the third key module and the contact terminal of the second conducting strip, and when the third key module is arranged in the mounting groove, the two contact terminals of the third key module can be contacted with the two circuit contacts, so that the trigger switch of the third key module is electrically connected with the contact connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810420837.XA CN110444422B (en) | 2018-05-04 | 2018-05-04 | Structure of replaceable key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810420837.XA CN110444422B (en) | 2018-05-04 | 2018-05-04 | Structure of replaceable key |
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| CN110444422A CN110444422A (en) | 2019-11-12 |
| CN110444422B true CN110444422B (en) | 2021-11-30 |
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| CN201810420837.XA Expired - Fee Related CN110444422B (en) | 2018-05-04 | 2018-05-04 | Structure of replaceable key |
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| CN204442328U (en) * | 2015-02-10 | 2015-07-01 | 徐孝海 | Hollow Hall axle key dish |
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| CN110444422A (en) | 2019-11-12 |
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