CN116149485A - Key and keyboard - Google Patents

Abstract

The present application discloses a button and a keyboard, which relate to the technical field of input devices and solve the problem of limited usage scenarios of the button in the related art. The button includes a substrate, a movable part, a capacitive component and a conductor, the capacitive component is arranged on the substrate; the conductor is located between the movable part and the capacitive component, and can move from the first position to the second position with the movable part to trigger the generation of the button Signal. The button of the present application is used to convert the user's operation into a button signal.

Description

A button and a keyboard

technical field

The present application relates to but not limited to the technical field of input devices, in particular to a button and a keyboard.

Background technique

In the related art, the keys on the keyboard are triggered by touch capacitors, and the touch capacitors need to be operated with conductors, so the application scenarios are limited.

Contents of the invention

The buttons and the keyboard provided by the embodiments of the present application are not restricted in the use environment, are less susceptible to external interference, and have good stability.

In the first aspect, the embodiment of the present application provides a button, which includes a substrate, a movable part, a capacitor component and a conductor. The capacitor component is arranged on the substrate; The position moves to the second position to trigger the generation of a key signal.

In the button provided by the embodiment of the present application, the substrate is used to provide an installation base for other components of the button, and the movable part and the substrate are movably connected. When the user operates the button, the movable part and the substrate move relatively. The capacitor component is arranged on the substrate, and the capacitance value of the capacitor component can be changed to form a capacitance change parameter, which can be used as the basis for generating the button signal. Compared with mechanical trigger methods such as thin films, the response speed of the capacitor trigger is faster. On this basis, the button is also provided with a conductor, the conductor is located between the movable part and the capacitor assembly, and the conductor can move with the movable part, that is, when the user presses the button, the conductor moves with the movable part, and Relative capacitance components change relative positions. Because the conductor can conduct electricity, an electric field can be formed between it and the capacitor component. When the relative position of the conductor and the capacitor component changes, the electric field changes accordingly, and causes the capacitance value of the capacitor component to change, so that the button generates a button signal, for example , when the conductor moves from the first position to the second position along with the movable part, triggering and generating a key signal. Compared with the related technology, the capacitive key needs to use external conductors such as the user's finger and a capacitive pen as the trigger condition. Since the key of the present application is provided with a conductor, the conductor moves relative to the capacitive component to trigger and generate a key signal without an external conductor. , the user can realize the interaction with the button when wearing insulating gloves, etc., and the conductor is set inside the button, the electric field between it and the capacitor component is relatively stable, and it is not easily disturbed by the external environment, which can improve the sensitivity of the button , to improve user experience.

In a possible implementation manner of the present application, a support is further included, the movable part is hinged to the base plate through the support, and the conductor is arranged on one of the movable part and the support.

In a possible implementation of the present application, the movable part has a layered structure, and the conductor is arranged on the middle layer of the movable part; or, the conductor is arranged on the side of the movable part close to the substrate; or, the movable part has a light-transmitting part , the conductive body and the light-transmitting part are misplaced; wherein, the conductive body and the movable part are insulated.

In a possible implementation manner of the present application, the conductor is disposed on the support, or at least part of the support is formed as the conductor.

In a possible implementation manner of the present application, the projection of the conductor along the preset direction and the projection of the capacitor component along the preset direction at least partially overlap, and the preset direction is the pressing direction of the key.

In a possible implementation manner of the present application, the conductor moves relative to the capacitor component along a preset direction, or the conductor rotates relative to the capacitor component, and the rotation axes of the conductor and the capacitor component are perpendicular to the preset direction.

In a possible implementation manner of the present application, the substrate includes a circuit layer, the capacitive component includes a first capacitive element and a second capacitive element, the first capacitive element and the second capacitive element are tiled on the circuit layer, and the first capacitive element and the The second capacitive elements are arranged at intervals.

In a possible implementation manner of the present application, when the conductor moves from the first position to the second position, the capacitance component outputs a capacitance change parameter according to the electric field change between the conductor and the capacitance component, so as to generate a button signal.

In a possible implementation of the present application, it includes a paired structure formed by multiple pairs of capacitor components and conductors, and the multiple pairs of paired structures correspond to different positions of the movable part, so that when pressing different positions of the movable part, corresponding buttons are generated Signal.

In a second aspect, the embodiment of the present application provides a keyboard, including a plurality of keys according to any one of the first aspect.

The keyboard provided by the embodiment of the present application has the same technical effect because it has the keys of the first aspect, that is, a conductor is provided, and the conductor moves relative to the capacitive component to trigger and generate a key signal without an external conductor. Insulated gloves and other situations can realize the interaction with the button, and the conductor is arranged inside the button, and the electric field change between it and the capacitor component is relatively stable, and it is not easily disturbed by the external environment, which can improve the sensitivity of the button and improve the user experience. .

Description of drawings

Fig. 1 is the structural representation of the keyboard that the embodiment of the present application provides;

FIG. 2 is a schematic structural diagram of a button provided in an embodiment of the present application;

FIG. 3 is a schematic diagram of the electric field when the conductor in the button is in the first position provided by the embodiment of the present application;

Fig. 4 is a schematic diagram of the electric field when the conductor in the button is in the second position provided by the embodiment of the present application;

Fig. 5 is a schematic diagram (example 1) of the electric conductor in the button provided on the movable part provided by the embodiment of the present application;

Fig. 6 is a schematic diagram (example 2) of the electric conductor in the button provided on the movable part provided by the embodiment of the present application;

Fig. 7 is a schematic diagram (example 3) of the electric conductor in the button provided on the movable part provided by the embodiment of the present application;

FIG. 8 is a schematic diagram of a conductor provided on a support member in a button provided by an embodiment of the present application;

FIG. 9 is a schematic structural diagram of the first capacitive element and the second capacitive element in the button provided by the embodiment of the present application;

Fig. 10 is a schematic diagram of the electric field when the external conductor in the button provided by the embodiment of the present application is pressed so that the conductor is in the second position;

FIG. 11 is a schematic structural diagram of an input system provided by an embodiment of the present application.

Reference signs:

1-substrate; 2-button; 21-substrate; 211-support layer; 212-circuit layer; 22-movable parts; Element; 24-conductor; 25-support; 251-first support; 252-second support.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the specific technical solutions of the present application will be further described in detail below in conjunction with the drawings in the embodiments of the present application. The following examples are used to illustrate the present application, but not to limit the scope of the present application.

In the embodiments of the present application, the terms "first" and "second" are used for description purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the embodiments of the present application, unless otherwise specified, "plurality" means two or more.

In addition, in the embodiments of the present application, orientation terms such as "upper", "lower", "left" and "right" are defined relative to the schematic placement orientations of components in the drawings. It should be understood that these orientations The terminology is a relative concept, and they are used for description and clarification relative to each other, which may change correspondingly according to the change of orientation of parts placed in the drawings.

In this embodiment of the application, unless otherwise specified and limited, the term "connection" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral body; it can be a direct connection , can also be indirectly connected through an intermediary.

In the embodiments of the present application, the term "comprising", "comprising" or any other variant thereof is intended to cover a non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements, but also includes Including other elements not expressly listed, or also including elements inherent in such process, method, article or apparatus. Without further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element.

In the embodiments of the present application, words such as "exemplary" or "for example" are used as examples, illustrations or illustrations. Any embodiment or design solution described as "exemplary" or "for example" in the embodiments of the present application shall not be interpreted as being more preferred or more advantageous than other embodiments or design solutions. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete manner.

The embodiment of the present application provides a keyboard. The keyboard is an input device that can convert the user's operation into a signal and send it to the processing device, so that the processing device receives the signal and performs the corresponding function. The keyboard can be applied to computers and production equipment. , toys, etc., the keyboard may be independent of the processing device, or integrated into the processing device, which is not limited in this application.

Referring to Fig. 1, the keyboard provided by the embodiment of the present application includes a base 1 and a key 2. The base 1 provides an installation basis for the key 2. The key 2 can be a mechanical key 2, a membrane key 2, a touch key 2, etc., or one of them. One or more combinations, the user interacts with the key 2, so that the keyboard generates a corresponding signal.

Wherein, the number of keys 2 is plural, that is, at least two keys 2 are arranged on the keyboard, and the plurality of keys 2 have multiple possible arrangements on the base 1, for example, the keyboard is a standard computer keyboard, and the base 1 There are key 2 areas such as a function area, a letter key area, a control key area and a number key area, and each key 2 area on the base 1 is provided with at least one key 2 .

In addition, the embodiment of the present application provides a button. Referring to FIG. 2 and FIG. 3 , the button 2 includes a substrate 21, a movable part 22, a capacitor component 23 and a conductor 24. The capacitor component 23 is arranged on the substrate 21; the conductor 24 is located on Between the movable part 22 and the capacitive component 23, the movable part 22 can move from the first position to the second position to trigger and generate a key signal.

In the button 2 provided in the embodiment of the present application, the substrate 21 is fixedly connected to the base body 1 of the keyboard, and is used to provide an installation basis for other components of the button 2. The movable part 22 and the substrate 21 are movably connected. When the user operates the button 2, The relative movement of the movable part 22 and the base plate 21 can give a physical feedback to the user, making it clear that the user has operated the button 2 .

The capacitive component 23 is arranged on the substrate 21, and the capacitance value of the capacitive component 23 can be changed to form a capacitance change parameter. The capacitance change parameter can be used as the basis for generating the button signal. Generate a corresponding key signal; for another example, when the capacitance value of the capacitor component 23 changes from small to large, the key 2 generates a corresponding key signal; for another example, when the capacitance value of the capacitor component 23 changes to a certain preset threshold, or falls When entering a certain preset value range, button 2 generates a corresponding button signal, and the capacitor trigger has a faster response speed than mechanical trigger methods such as thin films.

On this basis, the button 2 is also provided with a conductor 24, the conductor 24 is located between the movable part 22 and the capacitor assembly 23, and the conductor 24 can move with the movable part 22, that is, when the user presses the button 2, the conductive The body 24 moves together with the movable part 22 and changes its relative position relative to the capacitive component 23 .

Because the conductor 24 can conduct electricity, an electric field can be formed between it and the capacitor component 23. When the relative position of the conductor 24 and the capacitor component 23 changes, the electric field changes accordingly, and causes the capacitance value of the capacitor component 23 to change, so that the key 2. Generating a key signal, for example, when the conductor 24 moves from the first position to the second position along with the movable member 22, triggering and generating the key signal.

Compared with the related art, the capacitive button 2 needs to use external conductors such as the user's finger and a capacitive pen as the trigger condition. Since the button 2 of the present application is provided with a conductor 24, the conductor 24 moves relative to the capacitive component 23 to trigger and generate a button signal, no external conductor is required, and the user can realize the interaction with the button 2 even when wearing insulating gloves, and the conductor 24 is arranged inside the button 2, and the electric field between it and the capacitor component 23 is relatively stable, and is not easily affected by the outside world. Environmental interference can increase the sensitivity of button 2 and improve user experience.

Wherein, the first position is the initial position of the conductor 24 relative to the capacitor component 23, that is, the position of the conductor 24 when the key 2 is not pressed, and the second position is the position where the key 2 is pressed by the user and triggers the generation of a key signal , the second position is any position different from the first position.

It should be noted that the influence of the conductor 24 on the capacitance of the capacitor component 23 is realized by changing the electric field. In a possible embodiment of the present application, when the conductor 24 moves from the first position to the second position, the capacitor component 23 The parameter of capacitance change is output according to the change of the electric field between the conductor 24 and the capacitance component 23, so as to generate a key signal.

Wherein, an electric field is formed between the conductor 24 and the capacitive component 23, and when the conductor 24 approaches or moves away from the capacitive component 23, the electric field between the two changes, and then the capacitive component 23 outputs a capacitance change parameter as a key signal basis of generation. With reference to Fig. 3, when conductor 24 is in the first position, conductor 24 and capacitive assembly 23 are far away, and the electric field line of the electric field formed by both is less, with reference to Fig. 4, when conductor 24 is in the second position , the conductor 24 and the capacitive component 23 are closer together, and the electric field lines of the electric field formed by the two are more, that is, when the conductor 24 is close to the capacitive component 23, the conductor 24 will attract more electric field lines to make the electric field line of the capacitive component 23 The capacitance increases, and correspondingly, when the conductor 24 moves away from the capacitance component 23 , the capacitance of the capacitance component 23 decreases.

In addition, the present application does not limit the form of the movable part 22. The movable part 22 can be a part that is pressed and operated by the user. Movement, wherein the preset direction is the pressing direction of the key 2, specifically, when the user presses the movable part 22, the movable part 22 moves toward the substrate 21 along the preset direction, and drives the conductor 24 relative to the capacitive component 23 from the first position Move to the second position.

In order to enable the conductor 24 to return to the first position after triggering the key signal, optionally, the key 2 further includes an elastic member, which is arranged between the movable member 22 and the substrate 21, and the elastic member can move along the direction opposite to the preset direction. The direction produces elastic deformation. When the user presses the movable part 22, the movable part 22 moves toward the base plate 21 along the preset direction, and the elastic part elastically deforms accordingly. recover, and drive the movable part 22 to move away from the substrate 21 in the opposite direction to the preset direction, and at the same time, the movable part 22 drives the conductor 24 to move relative to the capacitor assembly 23 from the second position to the first position.

Wherein, the form of the elastic member is not limited in this application, for example, the elastic member can be a spring, a reed, etc., the spring is arranged along a preset direction, and the two ends of the spring are respectively fixedly connected to the movable member 22 and the base plate 21; The part is elastic rubber, and the elastic rubber can be arranged on the base plate 21, and the side of the elastic rubber away from the base plate 21 abuts on the movable part 22; for another example, the movable part 22 and the elastic part are integrally formed of elastic rubber.

In order to make the force of the movable part 22 more uniform and reduce the possibility of skewing when the movable part 22 is pressed, referring to Fig. It is hinged to the base plate 21 through the support piece 25 .

Wherein, support member 25 has multiple possible forms, with reference to Fig. 5 and Fig. 6, support member 25 forms scissors structure, specifically, scissors structure comprises first support member 251 and second support member 252, the first support member 251 The middle part and the middle part of the second support member 252 are hinged, and the first end of the first support member 251 and the first end of the second support member 252 are all abutted in the chute on the movable member 22, the first support member 251 Both the second end of the second end and the second end of the second support member 252 are abutted in the sliding groove of the base plate 21, so that the first support member 251 and the second support member 252 can rotate relatively, and the first support member 251 and the second support member 251 The support member 252 can rotate relative to the movable member 22 and the base plate 21 respectively.

For another example, the support member 25 is a third support member arranged along the length direction of the movable member 22, the third support member is a rod-shaped structure, the third support member includes a first rod body and a second rod body, and the first rod body is hinged on the movable member 22. , and the hinge axis of the first rod body and the movable part 22 is parallel to the hinge axis of the first support member 251 and the second support member 252, there are two second rod bodies, which are respectively arranged at the two ends of the first rod body, and the second rod body The first rod is arranged vertically or approximately vertically, and the end of the second rod away from the first rod is movably connected to the slot on the base plate 21 .

On this basis, the conductor 24 is arranged on one of the movable member 22 and the support member 25, for example, the conductor 24 is arranged on the movable member 22; for another example, the conductor 24 is arranged on the first support member 251 and the second On at least one of the supports 252; for another example, the conductor 24 is disposed on the third support.

Referring to Fig. 5, Fig. 6 and Fig. 7, in a possible embodiment of the present application, the conductor 24 is arranged on the movable part 22, and the conductor 24 can be arranged on multiple positions on the movable part 22, for example, the conductive The body 24 is arranged on the side of the movable part 22 close to the base plate 21 , so that the distance between the conductor 24 and the capacitor component 23 on the base plate 21 is closer, and interaction is more likely to occur.

Referring to Fig. 6, in another possible embodiment of the present application, the movable part 22 is a layered structure, and the conductor 24 is arranged on the middle layer of the movable part 22; for example, the movable part 22 includes a pressing layer, a protective layer, etc. The body 24 is arranged between the pressing layer and the protective layer. In this way, the conductor 24 is surrounded by the movable part 22, and the movable part 22 can provide protection for the conductor 24, so as to reduce the possibility of the conductor 24 being scratched and damaged. .

In order to enable the user to use the keyboard in a weakly lit environment, the keyboard is usually provided with another light. Referring to FIG. It is convenient for users to observe through the light-transmitting part 221. In order to prevent the conductor 24 from affecting the light-transmitting part 221, the conductor 24 can be made of a light-transmitting conductor, or the conductor 24 and the light-transmitting part 221 are misplaced. The optical part 221 is located at the middle of the movable part 22 , and the conductor 24 is located at the edge of the movable part 22 .

Wherein, the conductor 24 and the movable part 22 are insulated to prevent the external conductor from touching the movable part 22, the external conductor and the conductor 24 are turned on, so that the electric field of the conductor 24 is transformed, and then the conductor 24 and the capacitor assembly 23 are affected. Interaction.

In addition, the conductor 24 can also be arranged on the support 25. Referring to FIG. 2, in a possible embodiment of the present application, the conductor 24 is arranged on the side of the support 25 facing the substrate 21; Set on the side of the support member 25 away from the substrate 21; with reference to FIG. Provide protection.

Optionally, in another possible embodiment of the present application, at least part of the support member 25 is formed as a conductor 24, that is, at least part of the support member 25 is made of a conductive material, and this part can interact with the capacitor component 23. Interaction, for example, the third support is made of metal material, and the third support is used as the conductor 24 .

It should be noted that the present application does not limit the positional relationship between the conductor 24 and the capacitor component 23. Optionally, when the conductor 24 moves from the first position to the second position relative to the capacitor component 23, the conductor 24 gradually approaches the capacitor component 23. component 23 ; or, when the conductor 24 moves from the first position to the second position relative to the capacitor component 23 , the conductor 24 gradually moves away from the capacitor component 23 .

3 and 4, in a possible embodiment of the present application, the projection of the conductor 24 along the preset direction and the projection of the capacitor component 23 along the preset direction are at least partially overlapped, so that the conductor 24 is arranged in the first Both the first position and the second position interact with the capacitive component 23 to form an electric field.

Correspondingly, the present application regards the movement form of the conductor 24, for example, the conductor 24 can do linear motion relative to the capacitor component 23; When moving between the first position and the second position, the electric field between the conductor 24 and the capacitor component 23 can change.

In addition, the present application does not limit the direction of movement of the conductor 24. In a possible embodiment of the present application, the conductor 24 moves linearly relative to the capacitor assembly 23, the conductor 24 can be arranged on the movable part 22, and the conductor 24 Will follow the movable part 22 to move along the preset direction, or, the conductor 24 is connected to the movable part 22 through the transmission mechanism, and the conductor 24 moves relative to the capacitor assembly 23 along the direction perpendicular to the preset direction. When the conductor 24 relative to the capacitor assembly 23 When moving to the first position, the conductor 24 and the capacitor assembly 23 are misaligned along the preset direction. When the conductor 24 moves to the second position relative to the capacitor assembly 23, the conductor 24 and the capacitor assembly 23 are aligned, wherein the transmission mechanism can It is a gear mechanism, a worm gear mechanism, a connecting rod mechanism, etc., which is not limited in the present application.

Optionally, in another possible embodiment of the present application, the conductor 24 makes a curvilinear movement relative to the capacitor component 23, and the conductor 24 is arranged on the support member 25. Optionally, the first support member 251 is provided with a second An electrical conductor 24 , the second electrical conductor 24 is disposed on the second support member 252 , so that the first electrical conductor 24 and the second electrical conductor 24 respectively rotate relative to the capacitor assembly 23 .

Wherein, the rotation axis of the conductor 24 relative to the capacitor component 23 is perpendicular to the preset direction, specifically, the relative rotation axis of the first conductor 24 and the capacitor component 23 is the rotation axis of the first support 251 and the substrate 21; The relative rotation axis of the body 24 and the capacitor assembly 23 is the rotation axis of the second support member 252 and the base plate 21. Taking the first conductor 24 as an example, when the movable member 22 is pressed by the user, the movable member 22 moves toward the base plate 21 and drives The first support member 251 rotates, and the first end of the first support member 251 rotates relative to the substrate 21 , thereby driving the first conductor 24 to rotate relative to the capacitor component 23 , so that the first conductor 24 is close to the capacitor component 23 .

It should be noted that the structure of the conductor 24 in the present application has multiple possibilities. For example, the conductor 24 is a block structure; Alternatively, the contour of the conductor 24 is similar to the contour of the movable part 22 or the supporting part 25 to which it is connected.

In addition, the present application does not limit the connection method of the conductor 24. For example, the conductor 24 can be fixed on the movable part 22 or the supporting part 25 by welding or bonding; On the support member 25 ; for another example, the conductor 24 is a conductive coating laid on the surface of the movable member 22 or the support member 25 .

It should be noted that the present application does not limit the form of the capacitive component 23 , and the capacitive component 23 may be an ordinary electronic device or a printed electronic device. Referring to Fig. 2, in a possible embodiment of the present application, the substrate 21 includes a support layer 211 and a circuit layer 212, the support layer 211 is used to increase the structural strength of the circuit layer 212, the circuit layer 212 is a printed circuit board, and the capacitor assembly 23 is printed on the circuit layer 212.

2 and 9, the capacitive component 23 includes a first capacitive element 231 and a second capacitive element 232, the first capacitive element 231 and the second capacitive element 232 are tiled on the circuit layer 212, and the first capacitive element 231 and the second capacitive element 232 The capacitive elements 232 are arranged at intervals, and the relative positions of the first capacitive element 231 and the second capacitive element 232 are various. For example, the first capacitive element 231 and the second capacitive element 232 are arranged oppositely. Two capacitive elements 232 are arranged, or the second capacitive element 232 is arranged around the first capacitive element 231 ; for another example, the first capacitive element 231 and the second capacitive element 232 are embedded in each other.

Wherein, one of the first capacitive element 231 and the second capacitive element 232 is used as an emitter, and the other of the first capacitive element 231 and the second capacitive element 232 is used as a receiving electrode. Taking the first capacitive element 231 as an example of an emitter, An electric field is formed between the first capacitive element 231 and the second capacitive element 232, and the direction of the electric field lines in the electric field is toward the second capacitive element 232. When the conductor 24 moves from the first position relative to the capacitive component 23 to the second position, conduction The body 24 attracts more electric field lines to the receiving pole, so that the capacitance value of the capacitance component 23 increases; on the contrary, when the conductor 24 moves from the second position relative to the capacitance component 23 to the first position, the capacitance value of the capacitance component 23 decreases .

It should be noted that a small part of the electric field lines will be sucked away when the external conductors such as human hands approach the capacitive component 23, which will reduce the capacitance of the capacitive component 23. Therefore, referring to FIG. The ability is greater than the ability of the external conductor to attract the electric field lines, so that when the external conductor presses the button 2, the conductor 24 can still approach the capacitor component 23, so that the capacitance of the capacitor component 23 increases.

In order to improve the functionality of the button 2, optionally, in a possible embodiment of the present application, a pairing structure formed by multiple pairs of capacitive components 23 and conductors 24 is included, and multiple pairs of matching structures correspond to different positions of the movable part 22 , so as to generate corresponding key signals when pressing different positions of the movable member 22. In this way, the same key 2 can output different key signals to realize multiple functions.

Optionally, when the user presses different positions of the movable part 22, the corresponding position of the movable part 22 has a larger movement range, so that the conductor 24 at the corresponding position has a larger movement range, so as to distinguish the pairing structure at other positions and generate a corresponding button signal Or, a plurality of conductors 24 corresponding to the movable part 22 move with the same amplitude, and when the external conductor is pressed to the movable part 22, the capacitance value of the capacitor assembly 23 at the corresponding position of the movable part 22 is relatively small, to distinguish it from other positions Pair the structure to generate the corresponding key signal.

On this basis, the present application also provides an input system. Referring to FIG. 11 , the system includes a key processor, a first processor and a second processor, and the key processor generates corresponding key signals according to the capacitance change of the capacitive component 23 , the first processor and the second processor are electrically connected to the key processor respectively, and the key signal can send the key signal to the first processor and the second processor respectively, and the first processor and the second processor can transmit the key signal according to the key signal Perform different operations, thus improving the efficiency of the input system.

Taking a computer as an example, the key processor is the central processing unit (MCU) on the keyboard, the first processor is the south bridge chip (platform controller hub, PCH) on the main board, and the second processor is the Embedded controller (embeded controller, EC), wherein, the key processor and the first processor transmit signals through the HID-I25C channel, the key processor and the second processor transmit signals through the UART channel, the second processor and the first The processor transmits signals through the espi channel.

Specifically, the first processor is electrically connected to the central processing unit (CPU) of the computer, and the second processor and the light driver on the keyboard transmit signals through the SPI channel. When the key processor determines that the key 2 is pressed , the corresponding key signals are sent to the first processor and the second processor respectively, the first processor transmits the corresponding key signals to the CPU, and the second processor controls the corresponding lights on the keyboard according to the key signals.

Therefore, the button 2 and the keyboard of the present application, since the conductor 24 is provided, the conductor 24 moves relative to the capacitive component 23 to trigger and generate a key signal, no external conductor is needed, and the user can realize and press the button while wearing insulating gloves, etc. 2, and the conductor 24 is arranged inside the button 2, the electric field between it and the capacitive component 23 changes relatively stably, and is not easily disturbed by the external environment, thereby improving the sensitivity of the button 2 and improving user experience.

The serial numbers of the above embodiments of the present application are for description only, and do not represent the advantages and disadvantages of the embodiments. The above are only preferred embodiments of the present application, and are not intended to limit the patent scope of the present application. All equivalent structures or equivalent process transformations made by using the description of the application and the accompanying drawings are directly or indirectly used in other related technical fields. , are all included in the patent protection scope of the present application in the same way.

Claims (10)

1. A button, including: Substrate; moving parts; a capacitor component arranged on the substrate; The conductor, located between the movable part and the capacitor component, can move from a first position to a second position with the movable part to trigger and generate a key signal. 2. The button according to claim 1, further comprising a support member, the movable member is hinged to the substrate through the support member, and the conductor is arranged on one of the movable member and the support member . 3. The button according to claim 2, the movable part is a layered structure, and the conductor is arranged in the middle layer of the movable part; or, The conductor is disposed on a side of the movable member close to the substrate; or, The movable part has a light-transmitting part, and the conductor and the light-transmitting part are misplaced; Wherein, the conductor and the movable part are insulated. 4. The key according to claim 2, wherein the conductor is disposed on the support, or at least part of the support is formed as the conductor. 5. The button according to any one of claims 1 to 4, wherein a projection of the conductor along a preset direction and a projection of the capacitive component along a preset direction at least partially overlap, and the preset direction is the The direction in which the button is pressed. 6. The button according to claim 5, wherein the conductor moves relative to the capacitive component along the preset direction, or the conductor rotates relative to the capacitive component, and the conductor and the The rotation axis of the capacitor assembly is perpendicular to the preset direction. 7. The button according to any one of claims 1 to 4, the substrate includes a circuit layer, the capacitive component includes a first capacitive element and a second capacitive element, the first capacitive element and the second capacitive element The capacitive element is tiled on the circuit layer, and the first capacitive element and the second capacitive element are arranged at intervals. 8. The button according to any one of claims 1 to 4, when the conductor moves from the first position to the second position, the capacitor component moves with the conductor and the capacitor The electric field change between components outputs capacitance change parameters to generate the key-press signal. 9. The button according to any one of claims 1 to 4, comprising a paired structure formed by multiple pairs of capacitive components and conductors, the multiple pairs of paired structures correspond to different positions of the movable part, so as to press the movable part At different positions, generate corresponding button signals. 10. A keyboard, comprising a plurality of keys according to any one of claims 1-8.

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