CN220672447U - Mechanical keyboard with keys capable of being arranged randomly - Google Patents

Abstract

The utility model provides a mechanical keyboard with keys capable of being arranged at will, which comprises a plurality of keys and a PCB (printed circuit board), wherein each key comprises a key cap and a mechanical shaft corresponding to the key cap, and the key cap has the key cap basic function and the key value transmitting capability through arranging a key cap chip and a key cap metal sheet; the function of transmitting the key value of the key cap to the main control chip of the PCB is realized by arranging the mechanical shaft metal sheet and the mechanical shaft data line. The structure has the effect of randomly changing key value arrangement by randomly arranging and laying out key caps.

Description

Mechanical keyboard with keys capable of being arranged randomly

Technical Field

The utility model relates to the technical field of keyboards, in particular to a mechanical keyboard with keys capable of being arranged randomly.

Background

At present, on computer equipment, the input devices are basically keyboards, and the main keyboard arrangement modes are only a few, such as QWER keyboards and German layout keyboards; the key value arrangement is a historical and remaining product, and is not the optimal arrangement, but the key value arrangement is extremely high in cost after being changed, so that the key value arrangement on the market is still the arrangement. If the key value arrangement is required to be changed, the key value arrangement can be customized by the user or can be customized by software, and the method is time-consuming and labor-consuming and is extremely inflexible.

Disclosure of Invention

The utility model aims to solve the technical problems and provide the mechanical keyboard with keys capable of being arranged randomly, so that the effect of changing the key value arrangement randomly can be achieved.

In order to solve the technical problems, the utility model adopts the following technical scheme: a mechanical keyboard with keys capable of being arranged randomly comprises a plurality of keys and a PCB, wherein each key comprises a key cap and a mechanical shaft corresponding to the key cap,

the key cap comprises a key cap body, a key cap chip U1, a key cap metal sheet VDD, a key cap metal sheet GND, a key cap metal sheet DATA and a capacitor C1 which are arranged in the key cap body, wherein one end of the capacitor C1 is respectively connected with the key cap metal sheet GND and the GND pin of the key cap chip U1, the other end of the capacitor C1 is respectively connected with the key cap metal sheet VDD and the VDD pin of the key cap chip U1, the P65 pin of the key cap chip U1 is connected with the key cap metal sheet DATA,

the mechanical shaft comprises a mechanical shaft body, a mechanical shaft metal sheet VDD, a mechanical shaft metal sheet GND, a mechanical shaft metal sheet DATA and a DATA line VDD, a DATA line GND and a DATA line DATA which are arranged below the mechanical shaft body, wherein the mechanical shaft metal sheet VDD and the key cap metal sheet VDD are connected and disconnected through keys, when the keys are pressed down, the mechanical shaft metal sheet VDD and the key cap metal sheet VDD are electrically connected, when the keys are released, the mechanical shaft metal sheet VDD and the key cap metal sheet VDD are disconnected, the mechanical shaft metal sheet GND and the key cap metal sheet GND are connected in a magnetic attraction mode, the mechanical shaft metal sheet DATA and the key cap metal sheet DATA are connected in a magnetic attraction mode, the mechanical shaft metal sheet VDD, the mechanical shaft metal sheet GND and the mechanical shaft metal sheet DATA are respectively connected with the PCB through the DATA line GND, the DATA line GND and the DATA line DATA, the PCB comprises a main control chip U2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a resistor R1 and a resistor R2, wherein a VDD_1 pin of the main control chip U2 is respectively connected with one end of the capacitor C4 and the DATA line VDD, the other end of the capacitor C4 and a VSS_1 pin of the main control chip U2 are respectively connected with the DATA line GND, a VDD_2 pin of the main control chip U2 is respectively connected with one end of the capacitor C3 and the DATA line VDD, the other end of the capacitor C3 and a VSS_2 pin of the main control chip U2 are respectively connected with one end of the capacitor C2 and the DATA line VDD, the other end of the capacitor C2 and the VSS_3 pin of the main control chip U2 are respectively connected with the DATA line GND, the VDD_4 pin of the main control chip U2 is respectively connected with one end of the capacitor C5 and the data line VDD, the other end of the capacitor C5 and the VSS_4 pin of the main control chip U2 are respectively connected with the data line GND, the VDD_5 pin of the main control chip U2 is respectively connected with one end of the capacitor C6 and the data line VDD, the other end of the capacitor C6 and the VSS_5 pin of the main control chip U2 are respectively connected with the data line GND, the VBAT pin and the VDDA pin of the main control chip U2 are respectively connected with the data line VDD, the VSSA pin of the main control chip U2 is connected with the data line GND, one ends of the resistor R1 and the resistor R2 are respectively connected with the PA13 pin and the PA12 pin of the main control chip U2, and the other ends of the resistor R1 and the resistor R2 are connected with the data line VDD in parallel.

The model of the main control chip U2 is LOFP100, and the model of the key cap chip U1 is SOT23-6.

The utility model has the advantages and positive effects that: a mechanical keyboard with keys capable of being arranged at will is characterized in that a key cap chip and a key cap metal sheet are arranged, so that the key cap has the key cap basic function and the key value transmission capability; the function of transmitting the key value of the key cap to the main control chip of the PCB is realized by arranging the mechanical shaft metal sheet and the mechanical shaft data line. The structure has the effect of randomly changing key value arrangement by randomly arranging and laying out key caps.

Drawings

FIG. 1 is a schematic diagram of a mechanical keyboard connection in which keys may be arranged arbitrarily.

Detailed Description

Specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

As shown in FIG. 1, the best mode of the mechanical keyboard with keys capable of being arranged randomly comprises a plurality of keys and a PCB, wherein each key comprises a keycap and a mechanical shaft corresponding to the keycap.

The key cap includes key cap body and locates key cap chip U1, key cap sheetmetal VDD, key cap sheetmetal GND, key cap sheetmetal DATA and electric capacity C1 in the key cap body, electric capacity C1's one end respectively with key cap sheetmetal GND with key cap chip U1's GND pin links to each other, electric capacity C1's the other end respectively with key cap sheetmetal VDD with key cap chip U1's VDD pin links to each other, key cap chip U1's P65 pin with key cap sheetmetal DATA links to each other. The original key cap is improved, so that the key cap is not just the key cap, and has the capability of transmitting key values, and the working principle is as follows: 1. each key cap is internally provided with a 6-pin chip with 8 bits respectively; 2. three metal sheets (VDD, GND, DATA) are respectively arranged in each key cap; 3. when a key is pressed down, the metal sheet of the key cap is closed with the metal sheet on the mechanical shaft, and power is supplied to the key cap chip U1; 4. after the key cap chip U1 is electrified, the key value of the current key cap can be automatically sent once through the data port.

The mechanical shaft comprises a mechanical shaft body, a mechanical shaft metal sheet VDD, a mechanical shaft metal sheet GND, a mechanical shaft metal sheet DATA and a DATA line VDD, a DATA line GND and a DATA line DATA which are arranged below the mechanical shaft body, wherein the mechanical shaft metal sheet VDD and the key cap metal sheet VDD are connected and disconnected through keys, when the keys are pressed down, the mechanical shaft metal sheet VDD and the key cap metal sheet VDD are electrically connected, when the keys are released, the mechanical shaft metal sheet VDD and the key cap metal sheet VDD are disconnected, the mechanical shaft metal sheet GND and the key cap metal sheet GND are connected in a magnetic attraction mode, the mechanical shaft metal sheet DATA and the key cap metal sheet DATA are connected in a magnetic attraction mode, and the mechanical shaft metal sheet VDD, the mechanical shaft metal sheet GND and the mechanical shaft metal sheet DATA are respectively connected with the PCB through the DATA line GND, the DATA line GND and the DATA line DATA. The original mechanical shaft is changed, and the working principle and the working process are as follows: 1. when the original mechanical shaft is pressed down, the two metal sheet contacts are attracted; when the key is released, the two metal sheet contacts are disconnected again; thereby transmitting the signals of pressing and releasing to the main control chip; 2. three metal sheets (VDD, GND, DATA) are also placed on the mechanical shaft, wherein the GND metal sheet and the DATA metal sheet are directly connected with the corresponding metal sheet of the key cap (in a magnetic attraction manner); 3. and the metal sheet contact of VDD on the mechanical shaft is connected with VDD of the key cap only when the key is pressed down, and is disconnected when the key is released. Under each shaft body, the original 1 data line is changed into 3 lines (VDD, GND, DATA), so that the key value transmission function is realized.

The PCB board includes main control chip U2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, resistance R1 and resistance R2, the VDD_1 pin of main control chip U2 is connected respectively electric capacity C4's one end with data line VDD, the other end of electric capacity C4 with the VSS_1 pin of main control chip U2 is all connected data line GND, the VDD_2 pin of main control chip U2 is connected respectively electric capacity C3's one end with data line VDD, electric capacity C3's the other end with the VSS_2 pin of main control chip U2 is all connected data line GND, the VDD_3 pin of main control chip U2 is connected respectively electric capacity C2's one end with data line VDD, the other end of electric capacity C2 with the VSS_3 pin of main control chip U2 is all connected data line GND, the VDD_4 pin of main control chip U2 is connected respectively one end with data line GND, the other end of electric capacity C2 with the VSS_2 pin is connected respectively VSS_2 with data line GND, the VSS_2 pin is connected with the data line VDD 2, the resistance R2 is all connected with the data line GND, the end of main control chip U2 is connected with the data line, and the resistance R2 is connected respectively.

The model of the main control chip U2 is LOFP100, and the model of the key cap chip U1 is SOT23-6.

The working process of the best mode of the mechanical keyboard with keys capable of being arranged randomly is as follows: for example, when the keycap "a" of the keyboard is pulled out and placed at any position of the keyboard, the keycap "a" is pressed down, and then the information acquired by the main control chip U2 on the PCB board is also pressed down by the key a on the keyboard, so is the other keys. Thus, the key caps of the keyboard can be arranged and laid out at will just like letter printing. By arranging the key cap chip and the key cap metal sheet, the key cap has the capability of transmitting key values besides the basic function of the key cap; the function of transmitting the key value of the key cap to the main control chip of the PCB is realized by arranging the mechanical shaft metal sheet and the mechanical shaft data line. The structure has the effect of randomly changing key value arrangement by randomly arranging and laying out key caps.

The foregoing describes the embodiments of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by this patent.

Claims (2)

1. A mechanical keyboard with keys capable of being arranged randomly is characterized in that: comprises a plurality of keys and a PCB, wherein each key comprises a key cap and a mechanical shaft corresponding to the key cap,

the key cap comprises a key cap body, a key cap chip U1, a key cap metal sheet VDD, a key cap metal sheet GND, a key cap metal sheet DATA and a capacitor C1 which are arranged in the key cap body, wherein one end of the capacitor C1 is respectively connected with the key cap metal sheet GND and the GND pin of the key cap chip U1, the other end of the capacitor C1 is respectively connected with the key cap metal sheet VDD and the VDD pin of the key cap chip U1, the P65 pin of the key cap chip U1 is connected with the key cap metal sheet DATA,

the mechanical shaft comprises a mechanical shaft body, a mechanical shaft metal sheet VDD, a mechanical shaft metal sheet GND, a mechanical shaft metal sheet DATA and a DATA line VDD, a DATA line GND and a DATA line DATA which are arranged below the mechanical shaft body, wherein the mechanical shaft metal sheet VDD and the key cap metal sheet VDD are connected and disconnected through keys, when the keys are pressed down, the mechanical shaft metal sheet VDD and the key cap metal sheet VDD are electrically connected, when the keys are released, the mechanical shaft metal sheet VDD and the key cap metal sheet VDD are disconnected, the mechanical shaft metal sheet GND and the key cap metal sheet GND are connected in a magnetic attraction mode, the mechanical shaft metal sheet DATA and the key cap metal sheet DATA are connected in a magnetic attraction mode, the mechanical shaft metal sheet VDD, the mechanical shaft metal sheet GND and the mechanical shaft metal sheet DATA are respectively connected with the PCB through the DATA line GND, the DATA line GND and the DATA line DATA,

the PCB board includes main control chip U2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, resistance R1 and resistance R2, the VDD_1 pin of main control chip U2 is connected respectively electric capacity C4's one end with data line VDD, the other end of electric capacity C4 with the VSS_1 pin of main control chip U2 is all connected data line GND, the VDD_2 pin of main control chip U2 is connected respectively electric capacity C3's one end with data line VDD, electric capacity C3's the other end with the VSS_2 pin of main control chip U2 is all connected data line GND, the VDD_3 pin of main control chip U2 is connected respectively electric capacity C2's one end with data line VDD, the other end of electric capacity C2 with the VSS_3 pin of main control chip U2 is all connected data line GND, the VDD_4 pin of main control chip U2 is connected respectively one end with data line GND, the other end of electric capacity C2 with the VSS_2 pin is connected respectively VSS_2 with data line GND, the VSS_2 pin is connected with the data line VDD 2, the resistance R2 is all connected with the data line GND, the end of main control chip U2 is connected with the data line, and the resistance R2 is connected respectively.

2. The mechanical keyboard with keys capable of being arranged randomly according to claim 1, wherein: the model of the main control chip U2 is LOFP100, and the model of the key cap chip U1 is SOT23-6.