CN216286566U - Dual-mode input device of computer equipment - Google Patents
Dual-mode input device of computer equipment Download PDFInfo
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- CN216286566U CN216286566U CN202121528204.4U CN202121528204U CN216286566U CN 216286566 U CN216286566 U CN 216286566U CN 202121528204 U CN202121528204 U CN 202121528204U CN 216286566 U CN216286566 U CN 216286566U
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Abstract
The utility model discloses a dual-mode input device of computer equipment, which comprises an input interface, a communication interface and a Bluetooth singlechip module, wherein the communication interface of the device is used for being in wired connection with host equipment; the input interface and the communication interface are respectively connected with the Bluetooth single chip microcomputer module, and the Bluetooth single chip microcomputer module is used for controlling the data of the input interface to be transmitted to the host equipment in a Bluetooth wireless mode through the communication interface and/or the Bluetooth. The Bluetooth single-chip microcomputer module chip is adopted to complete the double-input mode communication function of wired and wireless connection with the host equipment, and compared with the existing double-input mode communication function of wired and wireless connection with the host equipment, the Bluetooth single-chip microcomputer module chip has the characteristics of simple wiring of a circuit board, small occupied area and relatively low production cost.
Description
Technical Field
The utility model relates to the technical field of computer input equipment, in particular to a dual-mode input device of computer equipment.
Background
The existing keyboard with Bluetooth wireless function and USB dual mode mainly adopts two integrated chips to complete the functions of Bluetooth wireless connection and USB wired connection, during wireless connection, the Bluetooth wireless communication is carried out with host equipment through the Bluetooth chip, so that after the keyboard is connected with the host equipment in a Bluetooth mode, information can be input into the host equipment in a Bluetooth mode; when the host device is connected with the host device through the wired communication chip and the external interface, the USB communication protocol chip can be used as the wired communication chip, so as to be connected with the host device through a wired manner. After the device is connected with the host device in a wired mode, information can be input into the host device in a wired mode; the two integrated chips are adopted to respectively realize wired and wireless communication modes, wiring of the circuit board is relatively troublesome, the occupied area is large, and the production cost is relatively high.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. To this end, an object of the present invention is to provide a dual mode input device for a computer apparatus.
To achieve the above object, an embodiment of the present invention provides a dual mode input device of a computer apparatus, the dual mode input device of the computer apparatus including:
an input interface;
a communication interface for wired connection with a host device;
the Bluetooth single-chip microcomputer module is used for controlling the data of the input interface to be transmitted to the host equipment in a communication interface and/or Bluetooth wireless mode.
Further, according to an embodiment of the present invention, the communication interface is a USB communication protocol interface.
Further, according to an embodiment of the present invention, the communication interface is a connector interface (pogo pin connector interface).
Further, according to an embodiment of the present invention, the input interface is any one or more of a key input interface, a cursor control interface, or a touch interface.
Further, according to an embodiment of the present invention, the dual-mode input device of the computer device further includes a sensor, the sensor is connected to the bluetooth single chip module, and the bluetooth single chip module obtains a spatial or motion state through the sensor to perform on-off control on communication between the input interface and the host device.
Further, according to an embodiment of the present invention, the dual mode input device of the computer apparatus further includes: the first direct current voltage conversion module is respectively connected with the communication interface and the Bluetooth single chip microcomputer module to introduce the communication interface into a power supply to perform voltage conversion, and then supply power to the Bluetooth single chip microcomputer module.
Further, according to an embodiment of the present invention, the dual-mode input device of the computer apparatus further includes a bluetooth power supply circuit, and the bluetooth power supply circuit is connected to the bluetooth single chip module to supply power to the bluetooth single chip module;
the bluetooth power supply circuit includes:
the batteries are respectively connected with the Bluetooth singlechip module;
the charging circuit is respectively connected with the communication interface and the battery, and the battery is a rechargeable battery;
and the second direct-current voltage conversion module is respectively connected with the battery and the Bluetooth single-chip microcomputer module so as to supply power to the Bluetooth single-chip microcomputer module after the voltage of the electrified battery is converted.
Further, according to an embodiment of the present invention, the bluetooth power supply circuit further includes a bluetooth power supply control circuit, and the battery is connected to the second dc voltage conversion module through the bluetooth power supply control circuit;
the Bluetooth power supply control circuit is also connected with a control end of the Bluetooth single chip module so as to carry out power supply control on the Bluetooth power supply control circuit through the Bluetooth single chip module.
Further, according to an embodiment of the present invention, the dual-mode input device of the computer apparatus further includes a bluetooth indication control circuit, and the bluetooth indication control circuit is connected to the bluetooth single chip module to control and indicate the working state of the bluetooth single chip module.
Further, according to an embodiment of the present invention, the dual-mode input device of the computer apparatus further includes a backlight driving circuit, and the backlight driving circuit is respectively connected to the bluetooth single-chip module and the keyboard interface, so as to drive the LED lamp on the keyboard to emit light for backlight display under the control of the bluetooth single-chip module.
The dual-mode input device of the computer equipment provided by the embodiment of the utility model comprises: the Bluetooth device comprises an input interface, a communication interface and a Bluetooth singlechip module, wherein the communication interface is used for being in wired connection with host equipment; the input interface and the communication interface are respectively connected with the Bluetooth single chip microcomputer module, and the Bluetooth single chip microcomputer module is used for controlling the data of the input interface to be transmitted to the host equipment in a Bluetooth wireless mode through the communication interface and/or the Bluetooth. The Bluetooth single-chip microcomputer module chip is adopted to complete the double-input mode communication function of wired and wireless connection with the host equipment, and compared with the existing double-input mode communication function of wired and wireless connection with the host equipment, the Bluetooth single-chip microcomputer module chip has the characteristics of simple wiring of a circuit board, small occupied area and relatively low production cost.
Drawings
FIG. 1 is a block diagram of a dual-mode input device of a computer apparatus according to an embodiment of the present invention;
FIG. 2 is a circuit diagram of a Bluetooth single chip microcomputer provided by the embodiment of the utility model;
FIG. 3 is a circuit diagram of a communication interface according to an embodiment of the present invention;
FIG. 4 is a circuit diagram of an input interface according to an embodiment of the present invention;
FIG. 5 is a circuit diagram of a weight sensor according to an embodiment of the present invention;
fig. 6 is a circuit diagram of a first dc voltage conversion module according to an embodiment of the present invention;
fig. 7 is a circuit diagram of a bluetooth power supply according to an embodiment of the present invention;
fig. 8 is a circuit diagram of a bluetooth indication control circuit according to an embodiment of the present invention;
fig. 9 is a circuit diagram of a backlight driving circuit according to an embodiment of the utility model.
Reference numerals:
a Bluetooth singlechip 10;
a Bluetooth antenna 101;
a communication interface 102;
a keyboard interface 103;
a touch interface 104;
a weight sensor 105;
a first direct current voltage conversion module 106;
a bluetooth power supply circuit 107;
a charging circuit 1071;
a bluetooth power supply control circuit 1072;
a second dc voltage conversion module 1073;
bluetooth indication control circuitry 108;
the backlight circuit 109.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the utility model. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1 to 4, an embodiment of the present invention provides a dual mode input device of a computer apparatus, including: the Bluetooth communication device comprises an input interface, a communication interface 102 and a Bluetooth singlechip 10 module, wherein the communication interface 102 is used for being in wired connection with host equipment. As shown in fig. 1, when in use, the dual-mode input device can be connected to a host device through an input interface, the host device is provided with a corresponding interface, and after the host device and the host device are connected to each other, the dual-mode input device can input information to the host device in a wired manner. In one embodiment of the present invention, the communication interface 102 is a USB communication protocol interface. The USB protocol is a common communication protocol, and the USB protocol can be used to well implement transmission of wired signals, so that the dual-mode input device of the computer device can communicate with the host device through the USB protocol to input information to the host device. Additionally, in one embodiment of the present invention, communication interface 102 is a connector interface (e.g., pogo pin connector interface). The pogo pin connector has good corrosiveness, stability and durability. And because pogo pin is a very fine probe, the application in the precision connector can reduce the weight of the connector and the volume of the appearance, and the connector can be more fine and beautiful.
The input interface and the communication interface 102 are respectively connected with the bluetooth single chip microcomputer 10 module, and the bluetooth single chip microcomputer 10 module is used for controlling the data of the input interface to be transmitted to the host device through the communication interface 102 and/or a bluetooth wireless mode. Specifically, in one aspect, the bluetooth single chip microcomputer 10 module is in wired communication with the host device through the USB communication interface 102. That is, the host device can output a control signal to the main control device through the USB communication interface 102 and the bluetooth single chip 10 module. For example, a key control signal is output to the host device to control the host device in a wired manner. On the other hand, the bluetooth single chip microcomputer 10 module performs wireless communication with the host device through the bluetooth antenna 101. That is, the bluetooth single chip microcomputer 10 module can output a control signal to the main control device through the wireless antenna. For example, a key control signal is output to the host device to wirelessly control the host device. Because the bluetooth singlechip 10 module is an integrated circuit, possess bluetooth wireless communication and USB wired communication function, and integrated control circuit, can realize the receiving and dispatching control to the signal. Therefore, wired and wireless communication connection is realized without adopting two separate chips, and the circuit board has the characteristics of simple wiring, small occupied area and relatively low production cost.
The dual-mode input device of the computer equipment provided by the embodiment of the utility model comprises: the Bluetooth communication device comprises an input interface, a communication interface 102 and a Bluetooth singlechip 10 module, wherein the communication interface 102 is used for being in wired connection with host equipment; the input interface and the communication interface 102 are respectively connected with the bluetooth single chip microcomputer 10 module, and the bluetooth single chip microcomputer 10 module is used for controlling data of the input interface to communicate with the host device through the communication interface 102 and/or a bluetooth wireless mode. The Bluetooth single-chip microcomputer 10 module chip is adopted to complete the double-input mode communication function of wired and wireless connection with the host equipment, and compared with the existing double-input mode communication function of wired and wireless connection with the host equipment which can be completed by two chips, the Bluetooth single-chip microcomputer 10 module chip has the characteristics of simple wiring of a circuit board, small occupied area and relatively low production cost.
Referring to fig. 1 and 4, the input interface is any one or more of a key input interface, a cursor control interface, or a touch interface. The key input interface, the cursor control interface and the touch interface are respectively connected with the Bluetooth singlechip 10 module, so that the control keyboard, the cursor device or the touch pad can be connected with the Bluetooth singlechip 10 module through the corresponding interfaces so as to communicate with the host device through the Bluetooth singlechip 10 module. Therefore, the control signal is output by the control keyboard, the cursor device or the touch panel host device, and the control or information input of the host device is realized in a wired or wireless mode.
Referring to fig. 1 and 5, the dual-mode input device of the computer device further includes a sensor, the sensor is connected to the bluetooth single chip 10 module, and the bluetooth single chip 10 module obtains a spatial or motion state through the sensor to perform on-off control on communication between the input interface and the host device. The sensor may be an acceleration sensor or a weight sensor. The space state of the dual-mode input device of the computer equipment can be obtained through the acceleration sensor or the weight sensor so as to carry out on-off control on the communication between the input interface and the host equipment. For example, after the external keyboard is turned over, the gravity sensor senses the external keyboard, and after the Bluetooth single chip microcomputer 10 module detects the turning state, the keyboard module and the touch pad can be controlled to stop working without data transmission.
Referring to fig. 1 and 6, the dual mode input device of the computer apparatus further includes: the first direct current voltage conversion module 106 and the first direct current voltage conversion module 106 are respectively connected with the communication interface 102 and the bluetooth single chip microcomputer 10 module, so that the communication interface 102 is led into a power supply to perform voltage conversion, and then the power supply is supplied to the bluetooth single chip microcomputer 10 module. The first dc voltage converting module 106 includes a dc voltage converting chip U4, and the dc voltage converting chip U4 may employ a linear regulator LDO to ensure high-precision step-down voltage output. The input terminal of the dc voltage converting chip U4 is connected to the power source terminal VBUS of the input interface through the diode D4 to introduce the power source VBUS of the input interface to the voltage output terminal of the dc voltage converting chip U4. The reverse flow of the power supply can be avoided by the unidirectional conductivity of the diode D4. The introduced 5V power supply can be converted into a 3.3V power supply VDD _3.3 through the direct-current voltage conversion chip U4, and VCC _ MCU is output after isolation through inductance. To supply power for the bluetooth singlechip 10 module. Because the power is directly obtained from the host equipment through the communication interface 102, the power obtaining mode is relatively simple, an external power supply is not needed, and the trouble of an external power supply is reduced.
Referring to fig. 1 and 7, the dual-mode input device of the computer apparatus further includes a bluetooth power supply circuit 107, and the bluetooth power supply circuit 107 is connected with the bluetooth single-chip microcomputer 10 module to supply power to the bluetooth single-chip microcomputer 10 module; the bluetooth power supply circuit 107 includes: the Bluetooth module comprises a battery, a charging circuit 1071 and a second direct-current voltage conversion module 1073, wherein the battery is respectively connected with a Bluetooth singlechip 10 module; when communicating with a host device in a bluetooth wireless manner. At this time, the power supply cannot be directly obtained from the host device. So that the power supply of each circuit module can be continued through the battery.
The charging circuit 1071 is respectively connected with the communication interface 102 and a battery, and the battery is a rechargeable battery; when the bluetooth single-chip microcomputer 10 is connected with a host device in a wired mode, on one hand, a power supply can be led out through the power supply interface VBUS, and the power supply is supplied to the bluetooth single-chip microcomputer 10 after the power supply is converted through the first direct-current voltage conversion module 106. On the other hand, the power outputted from the power interface VBUS can be charged by the charging circuit 1071. The charging circuit 1071 includes a power management chip U2 for charging and managing the electric battery via the power management chip U2.
The second dc voltage conversion module 1073 is connected to the battery and the bluetooth single chip microcomputer 10 module, respectively, to convert the voltage of the battery and supply power to the bluetooth single chip microcomputer 10 module when communicating with the host device in a bluetooth wireless manner. The battery is used as a power supply, the battery output power can be output to the second dc voltage conversion module 1073 through BAT _ OUT for conversion and then output to BOOST5V, and after further voltage conversion by the voltage conversion chip U6, output to 3.3V voltage VDD _3V 3. The voltage conversion chip U6 can use a linear regulator LDO to ensure high precision step-down voltage output. In another embodiment of the present invention, the BOOST5 voltage may also be directly output to the first dc voltage converting module 106 for conversion, and then directly output a 3.3V voltage, so that the usage of the voltage converting chip U6 may be reduced, the usage of an integrated circuit may be further reduced, and the cost may be further reduced.
Referring to fig. 7, the bluetooth power supply circuit 107 further includes a bluetooth power supply control circuit 1072, and the battery is connected to the second dc voltage conversion module 1073 through the bluetooth power supply control circuit 1072; the bluetooth power supply control circuit 1072 is provided between the battery and the second dc voltage conversion module 1073 to perform on-off control of the output power supply of the battery. For example, when the battery is connected with the host device in a wired mode, the battery can be controlled to be disconnected from the power output because the battery can be directly taken from the host device. When the Bluetooth device is connected with the host device in a Bluetooth mode, the battery is controlled to output a power supply.
Bluetooth power supply control circuit 1072 still is connected with a control end of bluetooth singlechip 10 module to carry out power supply control to bluetooth power supply control circuit 1072 through bluetooth singlechip 10 module. The bluetooth power supply control circuit 1072 comprises MOS transistors Q5, Q3 and Q4, the MOS transistors Q3 and Q4 are respectively connected in series between the power supply output end of the battery and the second dc voltage conversion circuit to perform on-off control on the output power supply of the battery, the gates of the MOS transistors Q3 and Q4 are connected to the drain of the MOS transistor Q5, and the gate of the MOS transistor Q5 is connected to a control end m _ power _ off of the bluetooth power supply control circuit 1072 to perform on-off control on the output power supply of the battery under the control of the bluetooth power supply control circuit 1072. For example, when m _ power _ off is high, the transistor Q5 is turned on, and the transistors Q3 and Q4 are also turned on, so that the battery power is directly output. In contrast, when m _ power _ off is low, no output is provided from the battery power source. The battery power output is realized by serially connecting MOS tubes Q3 and Q4, so that the switch control is more reliable. The MOS tube Q5 drives the MOS tubes Q3 and Q4 to be switched, so that the fast switching driving control of the MOS tubes Q3 and Q4 can be realized.
Referring to fig. 1 and 8, the dual-mode input device of the computer apparatus further includes a bluetooth indication control circuit 108, and the bluetooth indication control circuit 108 is connected to the bluetooth single-chip microcomputer 10 module to control and indicate the working state of the bluetooth single-chip microcomputer 10 module. The bluetooth indication control circuit 108 may include a control button J8 to control the working status of the bluetooth single chip 10 module. Such as restarting or shutting down control. In addition, the bluetooth indication control circuit 108 further comprises two light emitting diodes LED2 and LED3, so as to indicate the working state of the bluetooth single chip microcomputer 10 module under the control of the bluetooth single chip microcomputer 10 module.
Referring to fig. 1 and 9, the dual-mode input device of the computer apparatus further includes a backlight driving circuit, and the backlight driving circuit is respectively connected to the bluetooth single-chip microcomputer 10 module and the keyboard interface 103, so as to drive the LED lamp on the keyboard to emit light for backlight display under the control of the bluetooth single-chip microcomputer 10 module. As shown in fig. 9, the backlight driving circuit includes an LED driving circuit and an LED interface, the LED driving circuit includes a MOS transistor Q1 and a MOS transistor Q2, gates of the MOS transistors Q1 and Q2 are respectively connected to two control terminals k _ cqps _ LED and k _ fnlk _ LED of the bluetooth single chip 10 module to drive the MOS transistor Q1 and the MOS transistor Q2, and the MOS transistor Q1 and the MOS transistor Q2 are respectively output through a drain electrode and drive an LED lamp on the keyboard to emit light for backlight display.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing detailed description, or equivalent changes may be made in some of the features of the embodiments. All equivalent structures made by using the contents of the specification and the attached drawings of the utility model can be directly or indirectly applied to other related technical fields, and are also within the protection scope of the patent of the utility model.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (9)
1. A dual mode input device for a computer apparatus, comprising:
an input interface;
a communication interface for wired connection with a host device;
the input interface and the communication interface are respectively connected with the Bluetooth singlechip module, and the Bluetooth singlechip module is used for controlling the data of the input interface to be transmitted to the host equipment in a Bluetooth wireless mode through the communication interface and/or the Bluetooth;
the first direct current voltage conversion module is respectively connected with the communication interface and the Bluetooth single chip microcomputer module to introduce the communication interface into a power supply to perform voltage conversion, and then supply power to the Bluetooth single chip microcomputer module.
2. The dual mode input device of a computer apparatus as recited in claim 1, wherein said communication interface is a USB communication protocol interface.
3. The dual mode input device of a computer apparatus as recited in claim 2, wherein said communication interface is a connector interface.
4. The dual mode input device of a computer apparatus as claimed in claim 1, wherein the input interface is any one or more of a key input interface, a cursor control interface or a touch interface.
5. The dual-mode input device of the computer apparatus as claimed in claim 1, further comprising a sensor, wherein the sensor is connected to the bluetooth single-chip module, and the bluetooth single-chip module obtains a spatial or motion state through the sensor to perform on-off control of communication between the input interface and the host apparatus.
6. The dual-mode input device of the computer equipment as claimed in claim 1, further comprising a bluetooth power supply circuit, wherein the bluetooth power supply circuit is connected with the bluetooth single-chip microcomputer module to supply power to the bluetooth single-chip microcomputer module;
the bluetooth power supply circuit includes:
the batteries are respectively connected with the Bluetooth singlechip module;
the charging circuit is respectively connected with the communication interface and the battery, and the battery is a rechargeable battery;
and the second direct-current voltage conversion module is respectively connected with the battery and the Bluetooth single-chip microcomputer module so as to supply power to the Bluetooth single-chip microcomputer module after the voltage of the electrified battery is converted.
7. The dual-mode input device of the computer apparatus as claimed in claim 6, wherein the bluetooth power supply circuit further comprises a bluetooth power supply control circuit, and the battery is connected to the second dc voltage conversion module through the bluetooth power supply control circuit;
the Bluetooth power supply control circuit is also connected with a control end of the Bluetooth single chip module so as to carry out power supply control on the Bluetooth power supply control circuit through the Bluetooth single chip module.
8. The dual-mode input device of the computer apparatus as claimed in claim 1, further comprising a bluetooth indication control circuit, wherein the bluetooth indication control circuit is connected to the bluetooth single-chip module for controlling and indicating the working status of the bluetooth single-chip module.
9. The dual-mode input device of the computer apparatus as claimed in claim 1, further comprising a backlight driving circuit, wherein the backlight driving circuit is connected to the bluetooth single-chip module and the keyboard interface respectively, so as to drive the LED lamp on the keyboard to emit light for backlight display under the control of the bluetooth single-chip module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121528204.4U CN216286566U (en) | 2021-07-06 | 2021-07-06 | Dual-mode input device of computer equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121528204.4U CN216286566U (en) | 2021-07-06 | 2021-07-06 | Dual-mode input device of computer equipment |
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| CN216286566U true CN216286566U (en) | 2022-04-12 |
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| CN202121528204.4U Active CN216286566U (en) | 2021-07-06 | 2021-07-06 | Dual-mode input device of computer equipment |
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