Magnetic axis mechanical keyboard with external MCU

Abstract

The invention discloses a magnetic axis mechanical keyboard with an external MCU (Microprogrammed Control Unit). The MCU is externally arranged in a USB (Universal Serial Bus) wire rod or a switching body; one end of the MCU connects a USB port to terminal equipment, and the other end of the MCU is connected to a magnetic axis mechanical keyboard port; the electrical network connected with the USB interface is VCC, GND, D +, D-and SG; the electrical network connected with the keyboard is VCC, GND, DIA, DOA and SG. The MCU is externally arranged, so that the dustproof and waterproof effects of the whole keyboard are better and fundamentally achieved, keyboard program upgrading, production detection, maintenance and replacement are more convenient and faster, all data line chips and data lines are connected in series for transmission, a split type keyboard or a folding keyboard is naturally and more easily manufactured, namely, the keyboard is divided into two or more parts, and the keyboard is more convenient to use. All the parts can be connected only through VCC, GND, DIA and DOA, and the external MCU can better achieve the function.

Description

Technical Field

[0001] The invention relates to the field of keyboards, and in particular to a magnetic axis mechanical keyboard with an external MCU. Background Art

[0002] The existing keyboard designs the information control unit (such as a microcontroller) of several (usually 61-104) keys on the keyboard PCB, which brings the following disadvantages:

[0003] 1. The microcontroller is placed inside the keyboard, which has poor dustproof effect;

[0004] 2. The microcontroller is placed inside the keyboard, which makes the waterproof effect poor;

[0005] 3. The microcontroller is placed inside the keyboard, which is inconvenient for detection, maintenance and replacement, and the cost is high;

[0006] 4. If the PCB of the entire keyboard is located in a metal frame (such as an aluminum frame), the wireless signal will be greatly attenuated due to the metal shielding, and the wireless keyboard function will be difficult to achieve directly;

[0007] 5. The microcontroller is placed inside the keyboard. Ordinary keyboards use matrix circuits, which require too many microcontroller pins. An external microcontroller requires dozens of data lines and a light control circuit, which is almost impossible.

[0008] 6. The microcontroller is placed inside the keyboard, occupying the design space of the PCB board. Summary of the invention

[0009] The purpose of the present invention is to overcome the shortcomings and deficiencies of the prior art and to provide a magnetic axis mechanical keyboard with an external MCU.

[0010] The purpose of the present invention is achieved through the following technical solutions:

[0011] A magnetic axis mechanical keyboard with an external MCU, comprising a USB cable, wherein the USB cable has a built-in micro PCBA, and the micro PCBA is provided with an MCU for processing key information and light information of the magnetic axis mechanical keyboard, wherein one end of the MCU is connected to a USB port to a terminal device, and the other end is connected to a port of the magnetic axis mechanical keyboard;

[0012] The USB cable and MCU also have the following electrical network: power PIN pin VCC, ground PIN pin GND, Hall serial input data line DIA, Hall serial output data line DOA, cable shielding line SG, USB differential data line D+, USB differential data line D-;

[0013] Among them, the electrical networks VCC, GND, DIA, DOA, SG, D+, and D- of the same nominal value are electrically connected together;

[0014] The electrical network of the USB cable connected to the USB interface of the terminal device is: VCC, GND, D+, D-, SG;

[0015] The electrical network of the USB cable connected to the magnetic axis mechanical keyboard interface is: VCC, GND, DIA, DOA, SG;

[0016] The DIA and DOA in the USB cable are respectively connected to the two ends of the data line formed by several data line chips connected in series in the magnetic axis mechanical keyboard; each magnetic axis key of the magnetic axis mechanical keyboard corresponds to a data line chip, the data line chip contains Hall key information and RGB driving function, and the data line chip adopts LED packaging; the Hall key information and RGB key indication function are completed through the DIA and DOA of the data line chip.

[0017] The USB cable is connected to the terminal device by wire, and the USB interface of the terminal device connected to the USB cable is a Type C port, a USB A port, or any other USB interface; the USB cable is connected to the magnetic axis mechanical keyboard interface as any data connection interface, as long as the electrical VCC, GND, DIA, DOA, and SG are correctly connected, or the interface wires can be directly soldered one by one to the magnetic axis mechanical keyboard PCB.

[0018] The MCU is an MCU that has USB, Bluetooth and other wireless functions at the same time; that is, the MCU is a three-mode MCU that supports wired, Bluetooth and wireless modes;

[0019] A 2.4G antenna is placed on the micro PCB;

[0020] The USB cable is connected to the electrical network of the magnetic axis mechanical keyboard interface end to add the battery positive line BAT+;

[0021] The negative battery line BAT- is connected to the GND network in the magnetic axis mechanical keyboard;

[0022] The battery positive line BAT+ not only powers the MCU, but also detects the battery power in the magnetic axis mechanical keyboard and charges the battery when there is power in the USB port.

[0023] A magnetic axis mechanical keyboard with an external MCU includes a transfer body and a USB cable. The transfer body has a built-in micro PCBA, and the micro PCBA is provided with an MCU for processing key information and light information of the magnetic axis mechanical keyboard; one end of the transfer body is connected to a terminal device through a USB interface line; and the other end is connected to the magnetic axis mechanical keyboard through any data line;

[0024] The adapter and MCU also have the following electrical network: power PIN pin VCC, ground PIN pin GND, Hall serial input data line DIA, Hall serial output data line DOA, wire shielding line SG, USB serial data positive line D+, USB serial data negative line D-;

[0025] Among them, the electrical networks VCC, GND, DIA, DOA, SG, D+, and D- of the same nominal value are electrically connected together;

[0026] The electrical network connected to the USB interface is: VCC, GND, D+, D-, SG;

[0027] The electrical network at any data line interface end is: VCC, GND, DIA, DOA, SG;

[0028] The DIA and DOA in the adapter body are respectively connected to the two ends of the data line formed by several data line chips connected in series in the magnetic axis mechanical keyboard; each magnetic axis key of the magnetic axis mechanical keyboard corresponds to a data line chip, the data line chip contains Hall key information and RGB driving function, and the data line chip adopts LED packaging; the Hall key information and RGB key indication function are completed through the DIA and DOA of the data line chip.

[0029] One end of the adapter body connected to the USB cable is a Type C port, a USB A port, or any USB interface; the interface end of the adapter body connected to the magnetic axis mechanical keyboard is any data connection line, or TYPE C is used as the data connection line port, and it can be correctly connected to the VCC, GND, DIA, DOA, and SG in the magnetic axis mechanical keyboard interface, and then directly connected to the magnetic axis mechanical keyboard interface.

[0030] The MCU is an MCU that has USB, Bluetooth and other wireless functions at the same time; that is, the MCU is a three-mode MCU that supports wired, Bluetooth and wireless modes;

[0031] A 2.4G antenna is placed on the micro PCB;

[0032] The adapter body is connected to the electrical network of the magnetic axis mechanical keyboard interface end to add the battery positive line BAT+;

[0033] The negative battery line BAT- is connected to the GND network in the magnetic axis mechanical keyboard;

[0034] The battery positive line BAT+ not only powers the MCU, but also detects the battery power in the magnetic axis mechanical keyboard and charges the battery when there is power in the USB port.

[0035] The adapter body is a body with a screen, and the screen can display some keyboard information as needed. The keyboard information includes working voltage, working current, working mode, keyboard operation instructions, and brand LOGO.

[0036] The MCU uses the buttons or toggle switches on the micro PCBA to switch the magnetic axis mechanical keyboard between USB wired mode, Bluetooth mode, and wireless mode, or switches the working mode by using a custom combination of keys on the keyboard.

[0037] Other electrical PIN pins are added to the MCU and connected to the magnetic axis mechanical keyboard interface to complete more practical functions. For example, two PIN pins Y1 and Y2 are added to complete the encoder function.

[0038] The micro PCBA is added with a voltage stabilizing power supply chip LDO and a power management chip to realize more practical functions.

[0039] The data line chip integrates a magnetic induction integrated circuit and an RGB magic color driving circuit; the data line chips are connected in series via a single bus data line;

[0040] The single bus data line transmits key information and color brightness information at the same time. The indicator lights in the magnetic axis mechanical keyboard are also controlled by the Hall serial input data line DIA and the Hall serial output data line DOA. The indicator lights include NUM, CAPS, and SCR.

[0041] The magnetic axis mechanical keyboard is a split magnetic axis mechanical keyboard or a folding magnetic axis mechanical keyboard. All data line chips are connected in series to a single bus for serial transmission. The magnetic axis mechanical keyboard is divided into more than two parts. The two adjacent parts only need to be connected by the power PIN pin VCC, the ground PIN pin GND, the Hall serial input data line DIA, and the Hall serial output data line DOA.

[0042] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0043] 1. The microcontroller of the present invention is placed outside the magnetic axis mechanical keyboard and inside the wire, which has a complete dustproof effect and a better waterproof effect.

[0044] 2. The microcontroller of the present invention is placed outside the magnetic axis mechanical keyboard and placed in the external body, which has a complete dustproof effect and a better waterproof effect.

[0045] 3. The microcontroller of the present invention is placed outside the magnetic axis mechanical keyboard and inside the wire. When the microcontroller has USB, Bluetooth and wireless functions at the same time, the antenna is exposed, which has a better wireless transmission effect for the metal mechanical keyboard.

[0046] 4. When the external body of the microcontroller of the present invention placed outside the magnetic axis mechanical keyboard is a non-metallic outer frame, and the microcontroller has USB, Bluetooth, and wireless functions at the same time, it has a better wireless transmission effect for the metal mechanical keyboard.

[0047] 5. The present invention can be more convenient for detecting, repairing and replacing microcontrollers. Due to the reduction in cost, it can even be replaced without repair.

[0048] 6. The microcontroller of the present invention is placed in a magnetic axis mechanical keyboard. Since all data line chips are connected in series to form a single bus serial transmission, it is naturally easier to make a split keyboard or a folding keyboard, that is, the keyboard is divided into two or more parts, and each part only needs VCC, GND, DIA, and DOA to be connected. If the original magnetic axis mechanical keyboard wants to be made into a split keyboard or a folding keyboard, dozens of wires are required to connect the two adjacent parts, which is complex to implement and easy to damage. The present invention only needs 4 wires to connect. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] Figure 1 This is the appearance diagram of the USB cable containing the MCU corresponding to Example 1.

[0050] Figure 2 Schematic diagram of the internal structure of the USB cable containing the MCU corresponding to Example 1.

[0051] Figure 3 This is the appearance diagram of the USB cable containing the MCU corresponding to Example 2.

[0052] Figure 4 Schematic diagram of the internal structure of the USB cable containing MCU according to Embodiment 2.

[0053] Figure 5 This is the appearance diagram of the USB cable containing the MCU corresponding to Example 3.

[0054] Figure 6 Schematic diagram of the internal structure of the wire containing the MCU in Example 3.

[0055] Figure 7 This is the appearance diagram of the external body containing the MCU corresponding to Example 4.

[0056] Figure 8 It is a schematic diagram of the internal structure of the external body containing the MCU corresponding to Example 4.

[0057] Fig. 9 It is a schematic diagram of the external body interface corresponding to the MCU in Example 5.

[0058] Fig.10 It is a schematic diagram of the internal structure of the external body containing the MCU corresponding to Example 5.

[0059] Fig.11 It is a schematic diagram of the internal structure of the external body containing the MCU corresponding to Example 6.

[0060] Fig.12 Schematic diagram of the external body interface corresponding to the MCU in Example 7.

[0061] Fig.13 It is a schematic diagram of the external body interface corresponding to the MCU contained in Example 8.

[0062] Fig.14 Schematic diagram of the internal structure of a magnetic axis mechanical keyboard with 102 keys corresponding to Example 1.

[0063] Fig.15 Schematic diagram of the internal structure of a magnetic axis mechanical keyboard with 102 keys corresponding to Example 2.

[0064] Fig.16 Schematic diagram of the internal structure of a magnetic axis mechanical keyboard with 102 keys corresponding to Example 3.

[0065] Fig.17 Schematic diagram of the internal structure of a magnetic axis mechanical keyboard with 102 keys corresponding to Example 4.

[0066] Fig.18 It is the connecting line between two adjacent keyboards of a split magnetic axis mechanical keyboard.

[0067] Fig.19 This is the first internal structure diagram of the split magnetic axis mechanical keyboard.

[0068] Fig. 20 This is the second internal structure diagram of the split magnetic axis mechanical keyboard.

[0069] The meanings of the reference numerals are as follows:

[0070] 1-1: First USB A port; 1-2: First USB data connection line; 1-3: First micro PCBA; 1-4: Second USB data line; 1-5A: First male port; 1-5B: First female socket;

[0071] 2-1: First TypeC male port; 2-2: Third USB data connection line; 2-3: Second micro PCBA; 2-4: Fourth USB data line; 2-5A: Second TypeC male port; 2-5B: First TypeC female socket;

[0072] 3-1: Second USB A port; 3-2: Fifth USB data connection; 3-3: Third micro PCBA; 3-4: Sixth USB data cable; 3-5A: Third Type C male port; 3-5B: Second Type C female port;

[0073] 4-1: the third USB A port; 4-2: the seventh USB data connection; 4-3: the fourth micro PCBA; 4-4: the eighth USB data cable; 4-5A: the fourth Type C male port; 4-5B: the third Type C female socket;

[0074] 5-1: the fourth Type C female socket; 5-2: the fifth Type C female socket; 5-3: the first adapter body;

[0075] 6-1: the sixth Type C female connector; 6-2: the fifth Type C male connector; 6-3: the second adapter body;

[0076] 7-1: the sixth Type C male port; 7-2: the seventh Type C male port; 7-3: the third adapter body. DETAILED DESCRIPTION

[0077] The present invention is further described in detail below in conjunction with embodiments and drawings, but the embodiments of the present invention are not limited thereto.

[0078] Example 1

[0079] A magnetic axis mechanical keyboard with an external MCU, comprising a USB cable, wherein the USB cable has a built-in micro PCBA, and the micro PCBA is provided with an MCU for processing key information and light information of the magnetic axis mechanical keyboard, wherein one end of the MCU is connected to a USB port to a terminal device, and the other end is connected to a port of the magnetic axis mechanical keyboard;

[0080] The USB cable and MCU also have the following electrical network: power PIN pin VCC, ground PIN pin GND, Hall serial input data line DIA, Hall serial output data line DOA, cable shielding line SG, USB differential data line D+, USB differential data line D-;

[0081] Among them, the electrical networks VCC, GND, DIA, DOA, SG, D+, and D- of the same nominal value are electrically connected together;

[0082] The electrical network of the USB cable connected to the USB interface of the terminal device is: VCC, GND, D+, D-, SG;

[0083] The electrical network of the USB cable connected to the magnetic axis mechanical keyboard interface is: VCC, GND, DIA, DOA, SG;

[0084] The DIA and DOA in the USB cable are respectively connected to the two ends of the data line formed by several data line chips connected in series in the magnetic axis mechanical keyboard; each magnetic axis key of the magnetic axis mechanical keyboard corresponds to a data line chip, the data line chip contains Hall key information and RGB driving function, and the data line chip adopts LED packaging; the Hall key information and RGB key indication function are completed through the DIA and DOA of the data line chip.

[0085] The MCU is an MCU that has USB, Bluetooth and other wireless functions at the same time; that is, the MCU is a three-mode MCU that supports wired, Bluetooth and wireless modes;

[0086] A 2.4G antenna is placed on the micro PCB;

[0087] The USB cable is connected to the electrical network of the magnetic axis mechanical keyboard interface end to add the battery positive line BAT+;

[0088] The negative battery line BAT- is connected to the GND network in the magnetic axis mechanical keyboard;

[0089] The battery positive line BAT+ not only powers the MCU, but also detects the battery power in the magnetic axis mechanical keyboard and charges the battery when there is power in the USB port.

[0090] The MCU uses the buttons or toggle switches on the micro PCBA to switch the magnetic axis mechanical keyboard between USB wired mode, Bluetooth mode, and wireless mode, or switches the working mode by using a custom combination of keys on the keyboard.

[0091] The data line chip integrates a magnetic induction integrated circuit and an RGB magic color driving circuit; the data line chips are connected in series via a single bus data line;

[0092] The single bus data line transmits key information and color brightness information at the same time. The indicator lights in the magnetic axis mechanical keyboard are also controlled by the Hall serial input data line DIA and the Hall serial output data line DOA. The indicator lights include NUM, CAPS, and SCR.

[0093] All data line chips are connected in series to a single bus for serial transmission, dividing the magnetic axis mechanical keyboard into more than two parts. The two adjacent parts only need to be connected to the power PIN pin VCC, the ground PIN pin GND, the Hall serial input data line DIA, and the Hall serial output data line DOA.

[0094] like Figure 1 , 2The first USB A port 1-1 is used to connect the terminal device; the first USB data line 1-2 is used to connect the first USB A port 1-1 and the MCU; the MCU is arranged on the first micro PCBA 1-3; the second USB data line 1-4 is used to connect the MCU and the first male port 1-5A.

[0095] like Fig.14 The first female socket 1-5B is used to connect the magnetic axis mechanical keyboard with the first male port 1-5A.

[0096] After the first female socket 1-5B on the magnetic axis mechanical keyboard is connected to the first male port 1-5A, the second USB data line 1-4 is connected, the first micro PCBA 1-3 is connected, the first USB data line 1-2 is connected, and the first USB A port 1-1 is connected to form a complete MCU external magnetic axis mechanical keyboard USB line. The MCU gives the required color and brightness of each key in the keyboard through DIA, and the MCU gives the key information data link through DIA. The data line chip corresponding to the key changes the corresponding data bit of its current state in the data link and transmits it to DOA until the last key DOA (102), and then the MCU processes it and transmits it to the terminal device.

[0097] Example 2

[0098] The difference between the MCU external magnetic axis mechanical keyboard of Example 2 and Example 1 is mainly reflected in the different interfaces at both ends of the USB cable; other similar parts will not be repeated here.

[0099] like Figure 3 , 4 , the first TypeC male port 2-1 is used to connect the terminal device; the third USB data line 2-2 is used to connect the first TypeC male port 2-1 and the MCU on the second micro PCBA 2-3; the fourth USB data line 2-4 is used to connect the MCU and the second TypeC male port 2-5A;

[0100] like Fig.15 The first Type C female socket 2-5B is used to connect the magnetic axis mechanical keyboard with the second Type C male port 2-5A.

[0101] Example 3

[0102] The difference between the MCU external magnetic axis mechanical keyboard of Example 3 and Example 1 is mainly reflected in the different interfaces at both ends of the USB cable; other similar parts will not be repeated here.

[0103] like Figure 5 , 6, the second USB A port 3-1 is used to connect the terminal device; the fifth USB data line 3-2 is used to connect the second USB A port 3-1 and the MCU on the third micro PCBA 3-3; the sixth USB data line 3-4 is used to connect the MCU and the third TypeC male port 3-5A;

[0104] like Fig.16 The second Type C female socket 3-5B is used to connect the magnetic axis mechanical keyboard with the third Type C male port 3-5A.

[0105] Example 4

[0106] The difference between the MCU external magnetic axis mechanical keyboard of Example 4 and Example 3 is mainly reflected in that the MCU on the fourth micro PCBA4-3 adds two electrical PIN pins P02 and P03 to realize the encoder function; other similar parts are not repeated here.

[0107] like Figure 7 , 8 , the third USB A port 4-1 is used to connect the terminal device; the seventh USB data line 4-2 is used to connect the third USB A port 4-1 and the MCU on the fourth micro PCBA 4-3; the eighth USB data line 4-4 is used to connect the MCU and the fourth TypeC male port 4-5A;

[0108] like Fig.17 The third Type C female socket 4-5B is used to connect the magnetic axis mechanical keyboard with the fourth Type C male port 4-5A.

[0109] Example 5

[0110] A magnetic axis mechanical keyboard with an external MCU includes a transfer body and a USB cable. The transfer body has a built-in micro PCBA, and the micro PCBA is provided with an MCU for processing key information and light information of the magnetic axis mechanical keyboard; one end of the transfer body is connected to a terminal device through a USB interface line; and the other end is connected to the magnetic axis mechanical keyboard through any data line;

[0111] The adapter and MCU also have the following electrical network: power PIN pin VCC, ground PIN pin GND, Hall serial input data line DIA, Hall serial output data line DOA, wire shielding line SG, USB serial data positive line D+, USB serial data negative line D-;

[0112] Among them, the electrical networks VCC, GND, DIA, DOA, SG, D+, and D- of the same nominal value are electrically connected together;

[0113] The electrical network connected to the USB interface is: VCC, GND, D+, D-, SG;

[0114] The electrical network at any data line interface end is: VCC, GND, DIA, DOA, SG;

[0115] The DIA and DOA in the adapter body are respectively connected to the two ends of the data line formed by several data line chips connected in series in the magnetic axis mechanical keyboard; each magnetic axis key of the magnetic axis mechanical keyboard corresponds to a data line chip, the data line chip contains Hall key information and RGB driving function, and the data line chip adopts LED packaging; the Hall key information and RGB key indication function are completed through the DIA and DOA of the data line chip.

[0116] The MCU is an MCU that has USB, Bluetooth and other wireless functions at the same time; that is, the MCU is a three-mode MCU that supports wired, Bluetooth and wireless modes;

[0117] A 2.4G antenna is placed on the micro PCB;

[0118] The adapter body is connected to the electrical network of the magnetic axis mechanical keyboard interface end to add the battery positive line BAT+;

[0119] The negative battery line BAT- is connected to the GND network in the magnetic axis mechanical keyboard;

[0120] The battery positive line BAT+ not only powers the MCU, but also detects the battery power in the magnetic axis mechanical keyboard and charges the battery when there is power in the USB port.

[0121] The adapter body is a body with a screen, and the screen can display some keyboard information as needed. The keyboard information includes working voltage, working current, working mode, keyboard operation instructions, and brand LOGO.

[0122] The MCU uses the buttons or toggle switches on the micro PCBA to switch the magnetic axis mechanical keyboard between USB wired mode, Bluetooth mode, and wireless mode, or switches the working mode by using a custom combination of keys on the keyboard.

[0123] The data line chip integrates a magnetic induction integrated circuit and an RGB magic color driving circuit; the data line chips are connected in series via a single bus data line;

[0124] The single bus data line transmits key information and color brightness information at the same time. The indicator lights in the magnetic axis mechanical keyboard are also controlled by the Hall serial input data line DIA and the Hall serial output data line DOA. The indicator lights include NUM, CAPS, and SCR.

[0125] All data line chips are connected in series to a single bus for serial transmission, dividing the magnetic axis mechanical keyboard into more than two parts. The two adjacent parts only need to be connected to the power PIN pin VCC, the ground PIN pin GND, the Hall serial input data line DIA, and the Hall serial output data line DOA.

[0126] like Fig. 9 , 10 The first external body 5-3 is connected to the terminal device through the fourth TypeC female socket 5-1 and then through the USB interface cable; the first external body 5-3 is connected to the magnetic axis mechanical keyboard through the fifth TypeC female socket 5-2 and then through any data cable with a TypeC male port.

[0127] Example 6

[0128] like Fig.11 The difference between the MCU external magnetic axis mechanical keyboard of Example 6 and Example 5 is mainly reflected in the addition of a voltage stabilizer power supply chip LDO and a power management chip on the micro PCBA of the external body, and the battery is placed in the magnetic axis mechanical keyboard; other similar parts are not repeated here.

[0129] Example 7

[0130] like Fig.12 Compared with Example 5, the difference between the MCU external magnetic axis mechanical keyboard in Example 7 is mainly reflected in that the second adapter body 6-3 is connected to the terminal device through the sixth TypeC female socket 6-1 and then through the USB interface cable; the second adapter body 6-3 is connected to the magnetic axis mechanical keyboard through the fifth TypeC male port 6-2 and then through any data cable with a TypeC female socket.

[0131] Alternatively, the second adapter body 6-3 is directly connected to the Type C female socket provided on the magnetic axis mechanical keyboard through the fifth Type C male port 6-2.

[0132] When the second adapter type 6-3 is made of plastic, even if the magnetic axis mechanical keyboard is a metal frame (such as aluminum alloy), it will not affect the transmission of wireless signals or Bluetooth signals, which is very beneficial to the realization of the three-mode mode of the magnetic axis mechanical keyboard. The magnetic axis mechanical keyboard with a metal frame does not require additional design and can be smoothly switched between USB wired mode, Bluetooth mode, and wireless mode.

[0133] Example 8

[0134] like Fig.13The difference between the MCU external magnetic axis mechanical keyboard in Example 8 and Example 5 is mainly reflected in that the third adapter type 7-3 is connected to the terminal device through the sixth TypeC male port 7-1 and then through the USB interface cable; the third adapter type 7-3 is connected to the magnetic axis mechanical keyboard through the seventh TypeC male port 7-2 and then through any data cable with a TypeC female socket.

[0135] It should be noted that in embodiments 1 to 8, the magnetic axis mechanical keyboard is a split magnetic axis mechanical keyboard or a foldable magnetic axis mechanical keyboard. Fig.18 , 19 20, the magnetic axis mechanical keyboard is a split magnetic axis mechanical keyboard, which is divided into a left keyboard (such as Fig.19 , which is 45 keys), right keyboard (such as Fig. 20 , 57 keys), the left keyboard and the right keyboard are connected in series via DIA and DOA.

[0136] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited to the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. A magnetic axis mechanical keyboard with an external MCU, characterized in that: It includes a USB cable, wherein the USB cable has a built-in micro PCBA, and the micro PCBA is provided with an MCU for processing key information and light information of the magnetic axis mechanical keyboard, one end of the MCU is connected to the USB port to the terminal device, and the other end is connected to the port of the magnetic axis mechanical keyboard; The USB cable and MCU also have the following electrical network: power PIN pin VCC, ground PIN pin GND, Hall serial input data line DIA, Hall serial output data line DOA, cable shielding line SG, USB differential data line D+, USB differential data line D-; Among them, the electrical networks VCC, GND, DIA, DOA, SG, D+, and D- of the same nominal value are electrically connected together; The electrical network of the USB cable connected to the USB interface of the terminal device is: VCC, GND, D+, D-, SG; The electrical network of the USB cable connected to the magnetic axis mechanical keyboard interface is: VCC, GND, DIA, DOA, SG; The DIA and DOA in the USB cable are respectively connected to the two ends of the data line formed by several data line chips connected in series in the magnetic axis mechanical keyboard; each magnetic axis key of the magnetic axis mechanical keyboard corresponds to a data line chip, the data line chip contains Hall key information and RGB driving function, and the data line chip adopts LED packaging; the Hall key information and RGB key indication function are completed through the DIA and DOA of the data line chip.

2. The MCU-external magnetic axis mechanical keyboard according to claim 1, characterized in that: The USB cable is connected to the terminal device by wire, and the USB interface of the terminal device connected to the USB cable is a Type C port, a USB A port, or any other USB interface; the USB cable is connected to the magnetic axis mechanical keyboard interface as any data connection interface, as long as the electrical VCC, GND, DIA, DOA, and SG are correctly connected, or the interface wires can be directly soldered one by one to the magnetic axis mechanical keyboard PCB.

3. The magnetic axis mechanical keyboard with external MCU according to claim 1, characterized in that: The MCU is an MCU that has USB, Bluetooth and other wireless functions at the same time; that is, the MCU is a three-mode MCU that supports wired, Bluetooth and wireless modes; A 2.4G antenna is placed on the micro PCB; The USB cable is connected to the electrical network of the magnetic axis mechanical keyboard interface end to add the battery positive line BAT+; The negative battery line BAT- is connected to the GND network in the magnetic axis mechanical keyboard; The battery positive line BAT+ not only powers the MCU, but also detects the battery power in the magnetic axis mechanical keyboard and charges the battery when there is power in the USB port.

4. A magnetic axis mechanical keyboard with an external MCU, characterized in that: It includes a transfer body and a USB cable. The transfer body has a built-in micro PCBA, and the micro PCBA is provided with an MCU for processing key information and light information of the magnetic axis mechanical keyboard. One end of the transfer body is connected to the terminal device through a USB interface line; the other end is connected to the magnetic axis mechanical keyboard through any data line. The adapter and MCU also have the following electrical network: power PIN pin VCC, ground PIN pin GND, Hall serial input data line DIA, Hall serial output data line DOA, wire shielding line SG, USB serial data positive line D+, USB serial data negative line D-; Among them, the electrical networks VCC, GND, DIA, DOA, SG, D+, and D- of the same nominal value are electrically connected together; The electrical network connected to the USB interface is: VCC, GND, D+, D-, SG; The electrical network at any data line interface end is: VCC, GND, DIA, DOA, SG; The DIA and DOA in the adapter body are respectively connected to the two ends of the data line formed by several data line chips connected in series in the magnetic axis mechanical keyboard; each magnetic axis key of the magnetic axis mechanical keyboard corresponds to a data line chip, the data line chip contains Hall key information and RGB driving function, and the data line chip adopts LED packaging; the Hall key information and RGB key indication function are completed through the DIA and DOA of the data line chip.

5. The magnetic axis mechanical keyboard with an external MCU according to claim 4, characterized in that: One end of the adapter body connected to the USB cable is a Type C port, a USB A port, or any USB interface; the interface end of the adapter body connected to the magnetic axis mechanical keyboard is any data connection line, or TYPE C is used as the data connection line port, and it can be correctly connected to the VCC, GND, DIA, DOA, and SG in the magnetic axis mechanical keyboard interface, and then directly connected to the magnetic axis mechanical keyboard interface.

6. The magnetic axis mechanical keyboard with an external MCU according to claim 4, characterized in that: The MCU is an MCU that has USB, Bluetooth and other wireless functions at the same time; that is, the MCU is a three-mode MCU that supports wired, Bluetooth and wireless modes; A 2.4G antenna is placed on the micro PCB; The adapter body is connected to the electrical network of the magnetic axis mechanical keyboard interface end to add the battery positive line BAT+; The negative battery line BAT- is connected to the GND network in the magnetic axis mechanical keyboard; The battery positive line BAT+ not only powers the MCU, but also detects the battery power in the magnetic axis mechanical keyboard and charges the battery when there is power in the USB port.

7. The magnetic axis mechanical keyboard with an external MCU according to any one of claims 4 to 6, characterized in that: The adapter body is a body with a screen, and the screen can display some keyboard information as needed. The keyboard information includes working voltage, working current, working mode, keyboard operation instructions, and brand LOGO.

8. The magnetic axis mechanical keyboard with external MCU according to claim 3 or 6, characterized in that: The MCU uses the buttons or toggle switches on the micro PCBA to switch the magnetic axis mechanical keyboard between USB wired mode, Bluetooth mode, and wireless mode, or switches the working mode by using a custom combination of keys on the keyboard.

9. The magnetic axis mechanical keyboard with external MCU according to claim 1 or 4, characterized in that: Other electrical PIN pins are added to the MCU and connected to the magnetic axis mechanical keyboard interface to complete more practical functions.

10. The magnetic axis mechanical keyboard with an external MCU according to claim 1 or 4, characterized in that: The micro PCBA is added with a voltage stabilizing power supply chip LDO and a power management chip to realize more practical functions.

11. The magnetic axis mechanical keyboard with an external MCU according to claim 1 or 4, characterized in that: The data line chip integrates a magnetic induction integrated circuit and an RGB magic color driving circuit; the data line chips are connected in series via a single bus data line; The single bus data line transmits key information and color brightness information at the same time. The indicator lights in the magnetic axis mechanical keyboard are also controlled by the Hall serial input data line DIA and the Hall serial output data line DOA. The indicator lights include NUM, CAPS, and SCR.

12. The magnetic axis mechanical keyboard with an external MCU according to claim 1 or 4, characterized in that: The magnetic axis mechanical keyboard is a split magnetic axis mechanical keyboard or a folding magnetic axis mechanical keyboard. All data line chips are connected in series to a single bus for serial transmission. The magnetic axis mechanical keyboard is divided into more than two parts. The two adjacent parts only need to be connected by the power PIN pin VCC, the ground PIN pin GND, the Hall serial input data line DIA, and the Hall serial output data line DOA.

Images