CN219778192U - Keyboard with calculator function - Google Patents
Keyboard with calculator function Download PDFInfo
- Publication number
- CN219778192U CN219778192U CN202320286741.5U CN202320286741U CN219778192U CN 219778192 U CN219778192 U CN 219778192U CN 202320286741 U CN202320286741 U CN 202320286741U CN 219778192 U CN219778192 U CN 219778192U
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- keyboard
- calculator
- controller
- display screen
- control circuit
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- 239000011159 matrix material Substances 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Abstract
The utility model discloses a keyboard with calculator functions, which comprises a keyboard shell, a keyboard control circuit, keyboard keys and a calculator display screen, wherein the keyboard keys are used for key signals input to the keyboard control circuit; the computer display screen is arranged on the keyboard shell, the computer display screen is electrically connected with the keyboard control circuit, and the keyboard control circuit is used for calculating according to the key signals and displaying the calculation result through the computer display screen; or the keyboard control circuit is used for sending the key signals to the calculator display screen, calculating the key signals through the calculator display screen and displaying the calculation result. Therefore, through integrating the calculator function on the keyboard, when in use, the operation of numbers can be carried out by matching with the existing keyboard keys, and the display of data is realized, and the use experience is more similar to that of the existing independent calculator without matching with other electronic equipment or display equipment.
Description
Technical Field
The utility model relates to the technical field of keyboards, in particular to a keyboard with a calculator function.
Background
A keyboard is a common information input device for connecting with an electronic device to output information to the electronic device or to operate the electronic device, and the like. Existing keyboards typically do not have a separate calculator function. If the calculator function needs to be realized, the electronic equipment is usually matched, the calculator application software on the electronic equipment is used for calculating the numbers output by the keyboard, and then the calculation result is displayed on the electronic equipment.
Often, in the process of using the keyboard together with the electronic equipment, the user needs to raise the head to see the display screen result, the experience of using the calculator is completely absent, and if the electronic equipment is not opened, the calculation result is not seen. Thus, the electronic device must be opened to perform the computing application, which is relatively cumbersome to use and has a poor use experience.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems in the related art to some extent. To this end, an object of the present utility model is to propose a keyboard with calculator functions.
To achieve the above object, an embodiment of the present utility model provides a keyboard with a calculator function, including:
a keyboard housing;
the keyboard control circuit is arranged in the keyboard shell;
the keyboard keys are arranged on the keyboard shell and are used for key signals input to the keyboard control circuit;
the calculator display screen is arranged on the keyboard shell, is electrically connected with the keyboard control circuit, and is used for calculating according to the key signals and displaying calculation results through the calculator display screen; or the keyboard control circuit is used for sending the key signals to the calculator display screen, calculating the key signals through the calculator display screen and displaying the calculation result.
Further, according to an embodiment of the present utility model, the calculator display is further configured to receive a time signal of the keyboard control circuit, so as to display the time signal.
Further, according to an embodiment of the present utility model, the keyboard control circuit includes:
and the controller is electrically connected with the calculator display screen so as to send the calculation result to the calculator display screen for displaying the calculation result.
Further, according to an embodiment of the present utility model, the keyboard control circuit is further configured to be connected to an electronic device, the keyboard key is further configured to send a switching signal to the controller, and the controller is further configured to send the key signal to the electronic device according to the switching signal, calculate the key signal by the electronic device, and display a calculation result.
Further, according to an embodiment of the present utility model, the keyboard key is further configured to send a key custom signal to the controller, so as to set a number key and/or an operation key for a plurality of keys in the keyboard key.
Further in accordance with an embodiment of the present utility model, the controller is communicatively coupled to the computer display screen via a serial communication protocol and/or an input-output interface.
Further, according to an embodiment of the present utility model, the calculator display includes:
the nixie tubes are respectively provided with a plurality of nixie tubes, and each nixie tube is respectively connected with the controller so as to display numbers under the control of the controller.
Further, according to an embodiment of the present utility model, each nixie tube includes 7 first LED lamps, and an anode and a cathode of each first LED lamp are connected to a control end of the controller, respectively.
Further, according to an embodiment of the present utility model, the calculator display further includes:
and the anode and the cathode of the second LED lamp are respectively connected with the control end of the controller so as to display punctuation marks or operation symbols under the control of the controller.
Further, according to an embodiment of the present utility model, the keyboard with calculator function further includes: and the controller is connected with the calculator display screen through the calculator display driving circuit.
Further, according to an embodiment of the present utility model, the keyboard control circuit further includes:
the wireless communication filter circuit is connected with the controller to connect the controller so as to filter the wireless signals input and output by the controller;
and the controller is connected with the electronic equipment through the wireless communication filter circuit and the antenna so as to input or control information to the electronic equipment.
Further, according to an embodiment of the present utility model, the keyboard control circuit further includes:
the controller is connected with the electronic equipment through the communication interface so as to input or control information to the electronic equipment;
and/or a power interface, the power interface is used for connecting with power supply equipment to introduce a power supply source and supply power for the controller;
the keyboard matrix connector is used for connecting the controller with the keyboard keys.
The keyboard with calculator function provided by the embodiment of the utility model is used for key signals input to the keyboard control circuit through the keyboard keys; the computer display screen is arranged on the keyboard shell, the computer display screen is electrically connected with the keyboard control circuit, and the keyboard control circuit is used for calculating according to the key signals and displaying the calculation result through the computer display screen; or the keyboard control circuit is used for sending the key signals to the calculator display screen, calculating the key signals through the calculator display screen and displaying the calculation result. Therefore, through integrating the calculator function on the keyboard, when in use, the operation of numbers can be carried out by matching with the existing keyboard keys, and the display of data is realized, and the use experience is more similar to that of the existing independent calculator without matching with other electronic equipment or display equipment.
Drawings
FIG. 1 is a block diagram of a keyboard with calculator function according to an embodiment of the present utility model;
fig. 2 is a schematic circuit diagram of a keyboard with calculator function according to an embodiment of the present utility model;
FIG. 3 is a schematic circuit diagram of another keyboard with calculator function according to an embodiment of the present utility model;
FIG. 4 is a schematic circuit diagram of a keyboard with calculator function according to an embodiment of the present utility model;
fig. 5 is a schematic diagram of a controller, a wireless communication filter circuit and an antenna circuit according to an embodiment of the present utility model;
FIG. 6 is a schematic diagram of a circuit structure of a display screen of a computer according to an embodiment of the present utility model;
fig. 7 is a schematic circuit diagram of a connector of a computer display module according to an embodiment of the present utility model;
fig. 8 is a schematic diagram of a communication interface circuit according to an embodiment of the present utility model;
fig. 9 is a schematic diagram of a keyboard matrix connector according to an embodiment of the present utility model;
fig. 10 is a diagram of a keyboard layout board with calculator function according to an embodiment of the present utility model.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Description of the reference numerals
A calculator display screen 10;
a keyboard key 20;
a keyboard housing 30.
Detailed Description
In order to enable those skilled in the art to better understand the present utility model, the following description will make clear and complete descriptions of the technical solutions according to the embodiments of the present utility model with reference to the accompanying drawings. 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 utility model belongs. The terminology used herein in the description of the utility model 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 may be included in at least one embodiment of the utility model. The appearances of such phrases 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. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
Referring to fig. 1 to 4, an embodiment of the present utility model provides a keyboard with calculator function, including a keyboard housing 30, a keyboard control circuit, keyboard keys 20 and a calculator display screen 10, wherein the keyboard control circuit is installed in the keyboard housing 30; as shown in fig. 5 and fig. 5, the keyboard control circuit includes: and the controller is electrically connected with the calculator display screen 10. In this way, display data can be sent to the calculator display screen 10 by the controller, and display of data can be performed by the calculator display screen 10. For example, the calculation result may be sent to the calculator display screen 10 for display of the calculation result.
The keyboard keys 20 are arranged on the keyboard shell 30, and the keyboard keys 20 are used for key signals input to the keyboard control circuit; the key signals may include a function selection control signal by which a function of the controller may be selectively controlled, and a digital signal. For example, when the calculator function needs to be used, the calculator function or the clock function is switched by pressing Num Lock or fn+num Lock or still another combination on the keyboard control keys.
The calculator display screen 10 is disposed on the keyboard housing 30, the calculator display screen 10 is electrically connected with the keyboard control circuit, and the keyboard control circuit is used for calculating according to the key signals and displaying the calculation result through the calculator display screen 10; or the keyboard control circuit is used for sending the key signals to the calculator display screen 10, calculating the key signals through the calculator display screen 10, and displaying the calculation result.
Specifically, in one embodiment of the present utility model, when in use, the controller may enter the calculation mode by sending a switching control signal to the controller via the key of the Num Lock function key, input a digital signal and an operator signal via the keyboard key 20, perform an operation via the controller, and send the operation result to the calculator display 10 for displaying the operation result. In this process, the controller may further output the digital signal and the operator signal to the calculator display 10 for display, so that the user can acquire the input digital signal in time. For example, when the Num Lock function key is pressed, the calculator display screen 10 is turned on, the calculator operation can be realized by inputting a digital signal, or when the calculator function is not started, the calculator display screen can be used as a clock, and when the calculator function is started, the operation can be performed on the keyboard, the calculation area is on the keyboard, and the display area is also on the keyboard. In another embodiment of the present utility model, the key signal may also be sent to the calculator display 10 through the keyboard control circuit, and after calculation is performed on the calculator display 10, the calculation result is displayed. Therefore, the calculator function can be integrated on the keyboard, and when the calculator function is used alone, a large-size display screen can be omitted, so that the calculator is more convenient for users to use.
The keyboard with calculator function provided by the embodiment of the utility model is used for key signals input to the keyboard control circuit through the keyboard keys; the computer display screen is arranged on the keyboard shell, the computer display screen is electrically connected with the keyboard control circuit, and the keyboard control circuit is used for calculating according to the key signals and displaying the calculation result through the computer display screen; or the keyboard control circuit is used for sending the key signals to the calculator display screen, calculating the key signals through the calculator display screen and displaying the calculation result. Therefore, through integrating the calculator function on the keyboard, when in use, the operation of numbers can be carried out by matching with the existing keyboard keys, and the display of data is realized, and the use experience is more similar to that of the existing independent calculator without matching with other electronic equipment or display equipment.
Further, in one embodiment of the present utility model, the computer display 10 is further configured to receive a time signal of the keyboard control circuit, so as to display the time signal. For example, the switching control signal may be sent to the controller by a key of the Num Lock function key, so that the clock mode may be switched. In the clock mode, the controller may send a clock signal to the calculator display screen 10, and display the clock signal through the calculator display screen 10. In another embodiment, the computer display 10 may also directly generate and display clock signals when in the clock mode, so as to facilitate the user to obtain clock information.
Referring to fig. 2 and 3, in one embodiment of the utility model, the controller is communicatively coupled to the computer display 10 via a serial communication protocol and/or an input-output interface. As shown in fig. 2, the controller may be communicatively connected to the calculator display screen 10 through an SPI interface, so as to transmit a digital signal or a calculation result to the calculator display screen 10 through the SPI interface, so as to perform display of the calculation result obtained by the digital signal through the calculator display screen 10. As shown in fig. 3, the controller may be further communicatively connected to the calculator display screen 10 through an input/output interface IO, so as to transmit a digital signal or a calculation result to the calculator display screen 10 through the IO interface, so as to perform display of the calculation result obtained by the digital signal through the calculator display screen 10.
In another embodiment, the keyboard control circuit is further configured to connect to an electronic device, the keyboard key is further configured to send a switching signal to the controller, and the controller is further configured to send the key signal to the electronic device according to the switching signal, calculate the key signal by the electronic device, and display a calculation result. In this way, a switching control of the local calculator function or the calculation function of the electronic device host can be realized. The method is convenient for users to apply in different scenes.
In one embodiment of the present utility model, the keyboard key is further configured to send a key customization signal to the controller, so as to set a number key and/or an operation key for a plurality of keys in the keyboard key. Therefore, when the keyboard is used, each key in the keyboard can be set in a self-defining way, so that the input of the number or the operator is convenient, and the keyboard can also accord with the use habit of a user.
Referring to fig. 5 and 6, the calculator display screen 10 includes: the nixie tubes are respectively provided with a plurality of nixie tubes, and each nixie tube is respectively connected with the controller so as to display numbers under the control of the controller. As shown in fig. 6, the nixie tube may be provided with 9 numbers to display a plurality of numbers. As shown in fig. 5 and 6, each nixie tube comprises 7 first LED lamps, and the anode and the cathode of each first LED lamp are respectively connected with the control end (1-a signal end) of the controller. The controller can send out LED lamp driving signals through the 1-A signal ends to drive the corresponding LED lamps of the nixie tubes to be on or off, so that the numbers are displayed on the corresponding nixie tubes.
Referring to fig. 6, the computer display screen 10 further includes: and the anode and the cathode of the second LED lamp are respectively connected with the control end of the controller so as to display punctuation marks or operation symbols under the control of the controller. Besides the display of the operation numbers through the nixie tube, the second LED lamp is used for displaying punctuation marks or operation symbols.
Referring to fig. 4, in one embodiment of the present utility model, the keyboard with calculator function further includes: the controller is connected with the calculator display screen 10 through the calculator display driving circuit. In some other embodiments, the drive circuit may also be displayed by a calculator; to implement a data display drive for the calculator display screen 10. For example, when the calculator is displayed as an LCD display screen, the LCD display screen may not be directly driven by the controller to display data, and at this time, the LCD display screen may be driven by the calculator display driving circuit to display data. As shown in fig. 7, the calculator display screen 10 may be communicatively connected to the controller through a calculator module connector, thereby facilitating the installation and removal of the calculator display screen 10.
Referring to fig. 5, the keyboard control circuit further includes: the wireless communication filter circuit is connected with the controller to connect the controller so as to filter the wireless signals input and output by the controller; the interference signals in the receiving and transmitting signals can be filtered through the wireless communication filter circuit, so that a wireless signal transmission loop is more reliable. As shown in fig. 5, the wireless communication filter circuit includes a capacitor C456, an inductor L34, a capacitor C458, a capacitor C462, and an inductor L35, one end of the capacitor C456 is connected to a wireless signal receiving and transmitting terminal ANT of the controller, the other end of the capacitor C456 is connected to a reference ground, one end of the inductor L34 is connected to the wireless signal receiving and transmitting terminal ANT of the controller of the capacitor C456, the other end of the inductor L34 is connected to one ends of the capacitor C458 and the capacitor C462, the other ends of the capacitor C458 and the capacitor C462 are connected to the reference ground, the one end of the inductor L34 is also connected to one end of the inductor L35, and the other end of the inductor L35 is connected to an antenna. The capacitor C456, the inductor L34, the capacitor C458, the capacitor C462 and the inductor L35 form a filter circuit, so that high-frequency magnetic interference signals can be filtered, and the reliability of the received signals is ensured.
The antenna is connected with the wireless communication filter circuit, and the controller is connected with the electronic equipment through the wireless communication filter circuit and the antenna so as to input or control information to the electronic equipment. Through the antenna, wireless signals can be transmitted and received.
Referring to fig. 8 and 9, the keyboard control circuit further includes: the controller is connected with the electronic equipment through the communication interface so as to input or control information to the electronic equipment; as shown in fig. 8, a wired signal connection may be made with the electronic device through the communication interface, so that the controller may communicate with the electronic device to enable signal input or operation to the electronic device.
Referring to fig. 2, the power interface is used for connecting with a power supply device to introduce a power supply source and supply power to the controller; the power interface can be connected with the charging equipment, so that the power output by the charging equipment is introduced into the keyboard, the battery in the keyboard can be charged, and meanwhile, power can be supplied to each circuit module.
The controller is connected with the keyboard keys 20 through the keyboard matrix connector, and the keyboard keys 20 can be conveniently installed and detached through the keyboard matrix connector.
Although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that the present utility model may be modified or equivalents substituted for some of the features thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model.
Claims (10)
1. A keyboard with calculator functionality, comprising:
a keyboard housing;
a keyboard control circuit;
the keyboard keys are used for key signals input to the keyboard control circuit;
the calculator display screen is arranged on the keyboard shell, is electrically connected with the keyboard control circuit, and is used for calculating according to the key signals and displaying calculation results through the calculator display screen; or the keyboard control circuit is used for sending the key signals to the calculator display screen, calculating the key signals through the calculator display screen and displaying the calculation result.
2. The calculator functional keyboard of claim 1, wherein the calculator display is further configured to receive a time signal from the keyboard control circuit to display the time signal.
3. The calculator-functional keyboard of claim 1 or 2, wherein the keyboard control circuit comprises:
and the controller is electrically connected with the calculator display screen so as to send the calculation result to the calculator display screen for displaying the calculation result.
4. The keyboard with calculator function of claim 3, wherein the keyboard control circuit is further configured to connect with an electronic device, the keyboard key is further configured to send a switching signal to the controller, and the controller is further configured to send the key signal to the electronic device according to the switching signal, calculate the key signal by the electronic device, and display the calculation result.
5. A keyboard with calculator functions according to claim 3, wherein the keyboard keys are further configured to send a key customization signal to the controller to set the number keys and/or the operation keys to a plurality of keys in the keyboard keys.
6. A keyboard with calculator functions according to claim 3, wherein the controller is communicatively connected to the calculator display screen via a serial communication protocol and/or an input-output interface.
7. The calculator functional keyboard of claim 6, wherein the calculator display comprises:
the nixie tubes are respectively provided with a plurality of nixie tubes, and each nixie tube is respectively connected with the controller so as to display numbers under the control of the controller.
8. A keyboard with calculator functions according to claim 3, further comprising: and the controller is connected with the calculator display screen through the calculator display driving circuit.
9. The calculator function keyboard of any one of claims 4 to 8, wherein the keyboard control circuit further comprises:
the wireless communication filter circuit is connected with the controller to connect the controller so as to filter the wireless signals input and output by the controller;
and the controller is connected with the electronic equipment through the wireless communication filter circuit and the antenna so as to input or control information to the electronic equipment.
10. The calculator function keyboard of any one of claims 4 to 8, wherein the keyboard control circuit further comprises:
the controller is connected with the electronic equipment through the communication interface so as to input or control information to the electronic equipment;
and/or a power interface, the power interface is used for connecting with power supply equipment to introduce a power supply source and supply power for the controller;
the keyboard matrix connector is used for connecting the controller with the keyboard keys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320286741.5U CN219778192U (en) | 2023-02-15 | 2023-02-15 | Keyboard with calculator function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320286741.5U CN219778192U (en) | 2023-02-15 | 2023-02-15 | Keyboard with calculator function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219778192U true CN219778192U (en) | 2023-09-29 |
Family
ID=88137331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320286741.5U Active CN219778192U (en) | 2023-02-15 | 2023-02-15 | Keyboard with calculator function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219778192U (en) |
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2023
- 2023-02-15 CN CN202320286741.5U patent/CN219778192U/en active Active
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