CN104898852B - Keyboard device with touch function - Google Patents

Abstract

The present invention relates to a keyboard device with a touch function, comprising a plurality of keys, a plurality of first touch detection elements, a second touch detection element, and a control unit. The plurality of first touch detection elements are arranged in a row and disposed below the space bar, and the second touch detection elements are disposed below the keys around the space bar. When a user sequentially touches the space bar and the keys around the space bar, the control unit outputs a touch command to a computer host according to the plurality of first touch signals and second touch signals sequentially received. Therefore, the user can output the touch command without changing his operation gesture.

Description

Keyboard device with touch function

technical field

The present invention relates to a keyboard device, in particular to a keyboard device with a touch function.

Background technique

Common computer peripheral input devices include mouse devices, keyboard devices, and trackball devices. Among them, the keyboard device can directly input text and symbols to the computer, so it is quite valued by users and input device manufacturers.

Next, the appearance of a conventional keyboard device will be described. Please refer to FIG. 1 , which is a schematic diagram of the appearance and structure of a conventional keyboard device. There are a plurality of keys 10 on the surface of the existing keyboard device 1, and these keys 10 are classified into general keys 101, number keys 102, and function keys 103, etc., and these keys are for users to press with fingers to generate corresponding signals. For the computer, make the computer perform the pressed button function, for example, the general key 101 is used to input symbols such as English letters, the numeric key 102 is used to input numbers, and the function key 103 is used to provide various functions, such as F1～F12, etc. .

With the evolution of science and technology, keyboard manufacturers are committed to developing various keyboard devices with special functions to meet the various needs of different users. Take the input device that uses a keyboard to simulate a mouse device as an example proposed in Taiwan Patent No. I412957 illustrate. China Taiwan Patent No. I412957 Announcement first detects whether the pressed button belongs to a preset mouse control button, and if the button is not a mouse control button, the input device outputs a button command corresponding to the button. On the contrary, if the button is a mouse control button, the input device detects the next pressed button, that is, the input device activates the keyboard emulation mouse function.

When the mouse control key is triggered, and the input device detects that a certain key (for example, key F) is pressed, the key F outputs a voltage signal to the keyboard controller in the input device, and the keyboard controller can be activated according to the voltage signal. The row and column position of the key F (for example, Column3, Row12) is known, and the keyboard controller converts the row and column position into a corresponding first coordinate, for example (X1, Y1). After the keyboard controller obtains the coordinates corresponding to the key F, the keyboard controller detects the next pressed key and obtains a second coordinate of the key, for example (X2, Y2). The keyboard controller calculates the displacement of the finger, that is, (X2-X1) and (Y2-Y1), and outputs the displacement. The operating system connected to the input device can move the cursor correspondingly according to the displacement, so as to achieve the function of moving the cursor by pressing the keys of the keyboard. After the user's operation is completed, the keyboard emulation mouse function can be stopped by pressing the mouse control key, so that the input device returns to the simple keyboard mode.

Although China Taiwan Patent No. I412957 Announcement can use the keyboard device to simulate the operation of the mouse device, the user must activate or deactivate the keyboard simulation mouse function by pressing the mouse control key, which does not conform to the user's operating habits.

Due to the increasingly mature touch sensing technology and the added gesture sensing function, the touch sensing technology is favored by various electronic device manufacturers and applied to various electronic devices, including keyboard devices. Keyboard device with touch function. However, the existing keyboard device with touch function is similar to Taiwan Patent No. I412957, which requires a special function key to activate or deactivate the touch function, which still does not conform to the user's operating habits. Therefore, there is a need for a keyboard device with a touch function that does not need to perform a function switching action and conforms to the user's operating habits.

Contents of the invention

The technical problem to be solved by the present invention is to provide a keyboard device with a touch function that does not need to perform a function switching action and conforms to the user's operating habits in view of the above-mentioned deficiencies in the prior art.

The technical solution adopted by the present invention to solve the technical problem is to provide a keyboard device with touch function, which is connected to a computer host. The keyboard device with touch function includes a plurality of keys, a plurality of first touch detection component, a second touch detection component and a control unit. The plurality of keys are arranged on an upper surface of the keyboard device for being pressed to generate a plurality of scan codes. The plurality of first touch detection elements are arranged in a row and arranged inside or below a space bar of the plurality of keys, for generating a first touch signal when the space bar is touched, Or generate a plurality of the first touch signals when the space bar is touched continuously. The second touch detection element is arranged inside or below a button around the space bar, and is used for generating a second touch signal when the button is touched. The control unit is connected to the plurality of buttons and the computer host, and is used to output a corresponding button signal to the computer host according to the received scan code, or according to the sequentially received first touch signal and the second touch signal, or the plurality of first touch signals and the second touch signal, and output a touch command to the computer host.

Preferably, when the control unit receives the first touch signal, the control unit detects whether any scan code is received within a first preset time; wherein,

When the control unit receives the scan code within the first preset time, the control unit outputs the corresponding key signal to the host computer; and when the control unit does not receive the scan code within the first preset time When any of the codes are scanned, the control unit detects whether the second touch signal is received within a second preset time; wherein,

When the control unit receives the second touch signal within the second preset time, the control unit outputs the touch command to the computer host; and when the control unit does not receive the second touch signal within the second preset time When the second touch signal is received, the control unit detects again within the first preset time whether the scan codes of the plurality of keys are received.

Preferably, when the control unit receives the first touch signal, the control unit detects whether other first touch signals are received within a first preset time; wherein,

When the control unit does not receive other first touch signals within the first preset time, the control unit makes the keyboard device in a keyboard mode, and detects whether it is received within a second preset time Any of the scan codes; and when the control unit receives other first touch signals within the first preset time, the control unit makes the keyboard device in a touch mode, and within a third preset time Detect whether the second touch signal is received; wherein,

When the control unit receives the second touch signal within the third preset time, the control unit outputs the touch command to the computer host; and when the control unit does not receive the second touch signal within the third preset time When the second touch signal is received, the control unit makes the keyboard device in the keyboard mode, and detects whether the scan codes of the plurality of keys are received within the first preset time again.

Preferably, when the control unit receives the second touch signal, the control unit detects whether any scan code is received within a first preset time; wherein,

When the control unit receives the scan code within the first preset time, the control unit outputs the corresponding key signal to the host computer; and when the control unit does not receive the scan code within the first preset time When any of the codes are scanned, the control unit detects whether the first touch signal is received within a second preset time; wherein,

When the control unit receives the first touch signal within the second preset time, the control unit outputs the touch command to the computer host; and when the control unit does not receive the first touch signal within the second preset time When the first touch signal is received, the control unit again detects whether the scan codes of the plurality of keys are received within the first preset time.

Preferably, when the control unit receives the second touch signal, the control unit detects whether any scan code is received within a first preset time; wherein,

When the control unit receives the scan code within the first preset time, the control unit outputs the corresponding key signal to the host computer; and when the control unit does not receive the scan code within the first preset time When any of the codes are scanned, the control unit detects whether the first touch signal is received within a second preset time; wherein,

When the control unit receives the first touch signal within the second preset time, the control unit detects whether other first touch signals are received within a third preset time; wherein,

When the control unit does not receive other first touch signals within the third preset time, make the keyboard device in a keyboard mode, and detect whether the multiple touch signals are received within the first preset time again the scan code of a button; and when the control unit receives other first touch signals within the third preset time, the control unit puts the keyboard device in a touch mode and outputs the touch command to the host computer.

Preferably, the keyboard device further includes a supporting board, a main circuit board and a membrane switch circuit. The support plate is used to carry the plurality of keys on it; the main circuit board is used to set the control unit on it. The membrane switch circuit is arranged under the plurality of keys and connected to the main circuit board. The membrane switch circuit has a plurality of key contacts, and each key contact is used to be triggered to generate the corresponding scan code. And each of the keys includes a key cap, a connecting element and an elastic element, wherein the key cap is exposed on the upper surface of the keyboard device; the connecting element is located between the support plate and the key cap for connecting The support plate and the key cap make the key cap move up and down relative to the support plate; the elastic element is located under the key cap, and is used to trigger the corresponding key contact when the key cap is pressed, or provide An elastic force is applied to the keycap to reset the keycap.

Preferably, the plurality of first touch detection elements are arranged on the membrane switch circuit and located under the keycap corresponding to the space bar, and the second touch detection elements are arranged on the membrane switch circuit above and below the key cap corresponding to the key located around the space bar; or

The plurality of first touch detection elements are disposed on the lower surface of the key cap corresponding to the space bar, and the second touch detection elements are disposed on the key corresponding to the keys located around the space bar on the lower surface of the cap.

Preferably, the keyboard device further includes a plastic sheet, and the plastic sheet is arranged above the membrane switch circuit to carry the plurality of elastic elements, wherein the plurality of first touch detection elements are arranged on the plastic sheet on and below the key cap corresponding to the space bar, and the second touch detection element is disposed on the plastic sheet and below the key cap corresponding to the keys located around the space bar.

Preferably, the keyboard device further includes a supporting board, a main circuit board and a membrane switch circuit. The support plate is used to carry the plurality of buttons on it; the main circuit board is used to arrange the control unit on it; the membrane switch circuit is arranged under the plurality of buttons and connected to the main circuit board, the membrane The switch circuit has a plurality of key contacts, and each key contact is used to be triggered to generate the corresponding scan code. And each of the keys includes a key cap, a frame, a connecting element, a first magnetic element and a second magnetic element, wherein the key cap is exposed on the upper surface of the keyboard device for being touched and pressed. moving and triggering the corresponding key contact; the frame is in contact with the key cap to block the key cap and prevent the key cap from coming out of the frame; the connecting element is located below the frame and contacts the key cap, It is used to make the button cap move up and down relative to the frame; the first magnetic element is arranged on the button cap; the second magnetic element is arranged on the connecting element to generate a magnetic force in response to the first magnetic element to reset the button cap.

Preferably, the plurality of first touch detection elements are arranged on the membrane switch circuit and located under the keycap corresponding to the space bar, and the second touch detection elements are arranged on the membrane switch circuit above and below the key cap corresponding to the key located around the space bar; or

The plurality of first touch detection elements are disposed on the lower surface of the key cap corresponding to the space bar, and the second touch detection elements are disposed on the key corresponding to the keys located around the space bar on the lower surface of the cap.

Preferably, the keyboard device further includes a supporting board, a main circuit board and a membrane switch circuit. The support plate is used to carry the plurality of buttons on it; the main circuit board is used to arrange the control unit on it; the membrane switch circuit is arranged under the plurality of buttons and connected to the main circuit board, the membrane The switch circuit has a plurality of key contacts, and each key contact is used to be triggered to generate the corresponding scan code. And each of the keys includes a key cap, a frame and an elastic element, wherein the key cap is exposed on the upper surface of the keyboard device; the frame is in contact with the key cap to prevent the key cap from coming out of the frame Middle; the elastic element is located below the key cap, and is used for triggering the corresponding key contact when the key cap is pressed, or providing an elastic force to the key cap to reset the key cap.

Preferably, the plurality of first touch detection elements are arranged on the membrane switch circuit and located under the keycap corresponding to the space bar, and the second touch detection elements are arranged on the membrane switch circuit above and below the key cap corresponding to the key located around the space bar; or

The plurality of first touch detection elements are disposed on the lower surface of the key cap corresponding to the space bar, and the second touch detection elements are disposed on the key corresponding to the keys located around the space bar on the lower surface of the cap.

Preferably, the keyboard device further includes a plastic sheet, and the plastic sheet is arranged above the membrane switch circuit to carry the plurality of elastic elements, wherein the plurality of first touch detection elements are arranged on the plastic sheet on and below the key cap corresponding to the space bar, and the second touch detection element is disposed on the plastic sheet and below the key cap corresponding to the keys located around the space bar.

In the keyboard device with touch function of the present invention, a plurality of first touch detection elements are arranged inside or below the space bar, and second touch detection elements are arranged inside or below the keys around the space bar, so that the user can Touch the space bar and the keys around the space bar in order to generate touch commands, without pressing the switch key or hot key to switch between the keyboard mode and the touch mode, so the user does not need to change its operating keyboard device The keyboard mode and the touch mode can be operated with the usual gestures, which conforms to the user's operating habits. Compared with the existing keyboard device, the keyboard device with touch function of the present invention does not need to interrupt the user's habitual gesture of operating the keyboard device, but can conform to the user's operating habits, and can be easily operated by intuitive operation .

Description of drawings

FIG. 1 is a schematic diagram of the appearance and structure of a conventional keyboard device.

FIG. 2 is an exploded schematic diagram of the first preferred embodiment of the keyboard device with touch function of the present invention.

3A and 3B are the judgment flow charts of the control unit of the keyboard device with touch function in the first preferred embodiment of the present invention.

FIG. 4 is an exploded schematic view of the second preferred embodiment of the keyboard device with touch function of the present invention.

FIG. 5 is an exploded schematic diagram of a third preferred embodiment of a keyboard device with a touch function according to the present invention.

FIG. 6 is an exploded schematic diagram of a partial structure of a keyboard device with a touch function in a third preferred embodiment of the present invention.

7A and 7B are the judgment flow charts of the control unit of the keyboard device with touch function in the third preferred embodiment of the present invention.

FIG. 8 is an exploded schematic diagram of the fourth preferred embodiment of the keyboard device with touch function of the present invention.

FIG. 9 is a schematic diagram of a partial structure of key caps, a frame and connecting elements of a keyboard device with a touch function in a fourth preferred embodiment of the present invention.

FIG. 10 is a schematic cross-sectional side view of a partial structure of a keyboard device with a touch function in a fifth preferred embodiment of the present invention.

detailed description

In view of the problems in the prior art, the present invention provides a keyboard device with a touch function that can solve the problems in the prior art. Please refer to FIG. 2 . FIG. 2 is an exploded schematic diagram of a keyboard device with a touch function in a first preferred embodiment of the present invention. The keyboard device 2 with touch function of the present invention is connected to a computer host (not shown in the figure), and the keyboard device 2 includes a plurality of keys 21, a plurality of first touch detection elements 22, a plurality of second touch detection elements Measuring element 23, a control unit 24, a support plate 25, a main circuit board 26 and a membrane switch circuit 27, a plurality of keys 21 are arranged on the upper surface of the keyboard device 2, for being pressed to generate corresponding Multiple scan codes (not shown in picture). A plurality of first touch detection elements 22 are arranged in a row and arranged below a space bar 210 among the plurality of keys 21, for example: a first touch detection element 22 is arranged on the left side corresponding to the space bar 210 , a first touch detection element 22 is arranged at the center corresponding to the space bar 210, and a first touch detection element 22 is also arranged on the right side corresponding to the space bar 210, when the user touches the space bar At 210, a first touch signal (not shown in the figure) can be generated. A plurality of second touch detection elements 23 are arranged below the plurality of keys 211-219 around the space bar 210, and when the user touches the keys 211-219 around the space bar 21, a corresponding plurality of The second touch signal (not shown in the figure), wherein the keys 211-219 are the left Alt key 211, X key 212, C key 213, V key 214, B key 215, N key 216 , M key 217 , , key 218 and right Alt key 219 . In this preferred embodiment, both the first touch detection element 22 and the second touch detection element 23 are capacitive touch sensors, and the keyboard device 2 is a keyboard device for a desktop computer.

The support plate 25 is disposed under the keys 21 , the main circuit board 26 and the membrane switch circuit 27 for supporting the keys, the main circuit board 26 and the membrane switch circuit 27 thereon. The main circuit board 26 is disposed on one side of the membrane switch circuit 27 and connected to the membrane switch circuit 27 for disposing the control unit 24 thereon. Membrane switch circuit 27 is arranged below multiple keys 21 and connected to main circuit board 26. Membrane switch circuit 27 has multiple key contacts 271. When multiple key contacts 271 are triggered by corresponding keys 21, corresponding keys can be generated. multiple scan codes to the control unit 24. Each key 21 includes a key cap 2111, a frame 2112 and an elastic element 2113. The key cap 2111 is exposed on the upper surface of the keyboard device 2. When the user touches the key cap 2111, the key cap 2111 moves down correspondingly. And trigger the corresponding button contact 271 . The frame 2112 is in contact with the key cap 2111 for blocking the key cap 2111 and preventing the key cap 2111 from falling out of the frame 2112 . The elastic element 2113 is located under the keycap 2111 for contacting the key contact 271 or providing an elastic force. The operation of the user pressing the key 21 is as follows: when the key cap 2111 is pressed, the elastic element 2113 is deformed by the pressing of the key cap 2111 to trigger the corresponding key contact 271, so that the key contact 271 outputs the corresponding Scan code to control unit 24. And when the key cap 2111 is no longer pressed, the elastic element 2113 returns to its original shape and provides elastic force to the key cap 2111, so that the key cap 2111 moves upward and returns to the position before being pressed. In this preferred embodiment, the elastic element 2113 is an elastic rubber body, but it is not limited thereto. In another preferred embodiment, multiple elastic elements can be integrated on a rubber sheet, which is commonly known as a rubber layer (Rubber Sheet).

The control unit 24 further includes a wireless transmission module 241, and the wireless transmission module 241 includes a scan code comparison table corresponding to a plurality of scan codes. The control unit 24 is connected to a plurality of keys 21 through the membrane switch circuit 27, and is connected to the host computer through the wireless transmission module 241. For example: when the control unit 24 receives the scan code corresponding to the A key, the wireless transmission The module 241 outputs a key signal corresponding to the A key to the host computer according to the scan code comparison table, so that the host computer can input the letter A. On the other hand, when the user touches but does not press the center of the space bar 210, the first touch detection element 22 located below the center of the space bar 210 outputs a first touch signal to the control unit 24, thus At this time, the control unit 24 will perform a judging mechanism about the touch command and the key signal, so that the control unit 24 can output the corresponding touch command or key signal according to the signal received next, and the judging mechanism will be More details later. In this preferred embodiment, the wireless transmission module 241 transmits the touch command or the key signal to the host computer using Bluetooth (Blue Tooth) transmission technology, and the control unit 24 is a microprocessor.

As can be seen from FIG. 2 , the components in the keyboard device 2 are arranged in sequence from top to bottom as a key cap 2111, a frame 2112, an elastic component 2113, a plurality of first touch detection components 22, a plurality of second touch detection components. The measuring element 23, the membrane switch circuit 27 and the support plate 25, and the main circuit board 24 is arranged on one side of the membrane switch circuit 27. It should be noted that, in this preferred embodiment, a plurality of first touch detection elements 22 are arranged on the upper surface of the membrane switch circuit 27 and located below the keycap 2111 corresponding to the space bar 210, and A plurality of second touch detection elements 23 are disposed on the upper surface of the membrane switch circuit 27 and located below the key caps 2111 corresponding to the keys 211 - 219 around the space bar 21 . But not limited thereto, in another preferred embodiment, a plurality of first touch detection elements and a plurality of second touch detection elements can also be disposed on the lower surface of the membrane switch circuit.

In short, the keyboard device 2 with touch function of the present invention is developed in response to the user's habitual gestures for operating the keyboard device 2. The usual gestures are: the user puts two thumbs on the space bar 210, and The remaining eight fingers are located on other keys 21 respectively. Therefore, the spirit of the present invention is to use the space bar 210 and the keys 211 - 219 around the space bar 210 to perform touch commands without changing the user's usual gestures for operating the keyboard device 2 . That is to say, there are multiple touch commands preset in the control unit 24, which respectively correspond to different functions, and these functions can be preset in the control unit 24, and can also be customized according to the user's preferences and usage habits. set it. Each touch command is generated according to the first touch signal and at least one second touch signal received by the control unit 24 in sequence, wherein the triggering methods of these touch commands include:

1. Touch the space bar 210 first, and then touch the left Alt key 211 .

2. Touch the space bar 210 first, and then touch the X key 212 .

3. Touch the space bar 210 first, and then touch the C key 213 .

4. Touch the space bar 210 first, and then touch the V key 214 .

5. Touch the space bar 210 first, and then touch the B key 215 .

6. Touch the space bar 210 first, and then touch the N key 216 .

7. Touch the space bar 210 first, and then touch the M key 217 .

8. Touch the space bar 210 first, and then touch the , key 218.

9. Touch the space bar 210 first, and then touch the right Alt key 219 .

10. Touch the space bar 210 first, and then touch at least any two keys 21 among the left Alt key 211 to the right Alt key 219 .

11. Touch the left Alt key 211 first, and then touch the space bar 210 .

12. Touch the X key 212 first, and then touch the space bar 210 .

13. Touch the C key 213 first, and then touch the space bar 210 .

14. Touch the V key 214 first, and then touch the space bar 210 .

15. Touch the B key 215 first, and then touch the space bar 210 .

16. Touch the N key 216 first, and then touch the space bar 210 .

17. Touch the M key 217 first, and then touch the space bar 210 .

18. Touch the , key 218 first, and then touch the space bar 210 .

19. Touch the right Alt key 219 first, and then touch the space bar 210 .

20. Touch at least any two keys 21 among the left Alt key 211 to the right Alt key 219 first, and then touch the space bar 210 .

Next, the judgment mechanism of the control unit 24 corresponding to the above-mentioned trigger mode will be described. Please refer to FIG. 2, FIG. 3A and FIG. 3B at the same time. FIG. 3A and FIG. The judgment flow chart in the preferred embodiment. The judgment mechanism includes the following steps:

Step A1: The control unit detects whether the first touch signal or the second touch signal is received.

Step B1: The control unit detects whether any scan code is received within a first preset time in response to the first touch signal.

Step C1: The control unit detects whether any scan code is received within a first preset time in response to the second touch signal.

Step D1: The control unit outputs corresponding key signals to the host computer.

Step E1: The control unit detects whether any second touch signal is received within a second preset time.

Step F1: The control unit outputs corresponding key signals to the host computer.

Step G1: The control unit detects whether the first touch signal is received within a second preset time.

Step H1: The control unit outputs corresponding touch commands to the host computer.

Step I1: the control unit outputs corresponding touch commands to the host computer.

In step A1, when the control unit 24 receives the first touch signal, the control unit 24 proceeds to step B1, when the control unit 24 receives the second touch signal, the control unit 24 proceeds to step C1, and when the control unit 24 does not receive When the first touch signal and the second touch signal are received, the control unit 24 performs step A1 again. In step B1, when the control unit 24 receives the scan code, the control unit 24 proceeds to step D1, and when the control unit 24 does not receive the scan code, the control unit 24 proceeds to step E1. In step E1, when the control unit 24 receives the second touch signal, the control unit 24 proceeds to step H1, and when the control unit 24 does not receive the second touch signal, the control unit 24 proceeds to step B1 again. In step C1, when the control unit 24 receives the scan code, the control unit 24 proceeds to step F1, and when the control unit 24 does not receive the scan code, the control unit 24 proceeds to step G1. In step G1, when the control unit 24 receives the first touch signal, the control unit 24 proceeds to step I1, and when the control unit 24 does not receive the first touch signal, the control unit 24 proceeds to step C1 again.

Example: The first case is as follows. First, the control unit 24 performs step A1, and when the user first touches but does not touch the left side of the space bar 210, the first touch detection element 22 located on the left side of the space bar 210 outputs a first touch signal To the control unit 24, at this time, the control unit 24 proceeds to step B1. When the user touches the C key 213 again, the control unit 24 performs step E1 and step H1 according to the second touch signal corresponding to the C key 213, that is, in response to the first touch signal and the second touch signal corresponding to the C key 213 Two touch signals to output a touch command to the computer host, so that the computer host performs a corresponding touch function, such as starting a web browser.

The second case is as follows. In step A1, the control unit 24 proceeds to step B1 in response to the user touching the space bar 210, and when the user then presses the space bar 210, the control unit 24 proceeds to step D1, that is, the control unit 24 outputs an output corresponding to the space bar 210. key signal to the host computer.

The third case is as follows. First, the control unit 24 performs step A1, and when the user first touches the M key 217 without pressing it, the second touch detection element 23 located below the M key 217 outputs a second touch signal to the control unit 24, thus , the control unit 24 proceeds to step C1. When the user touches the right side of the space bar 210 again, the control unit 24 performs step G1 and step I1 according to the first touch signal output by the first touch element 22 located under the right side of the space bar 210. That is, in response to the second touch signal and the first touch signal corresponding to the M key 217, a touch command is output to the host computer, so that the host computer performs a corresponding touch function, such as the touch function in the web browser. Return to the homepage.

The fourth case is as follows. In step A1, the control unit 24 proceeds to step C1 in response to the user touching the right Alt key 219, and when the user then directly touches the right Alt key 219, the control unit 24 proceeds to step F1, that is, the control unit 24 outputs an output corresponding to The key signal of the right Alt key 219 is sent to the host computer.

It should be noted that the description of the above judgment mechanism is only for the user to perform the touch function of the keyboard device 2 with a single finger. When the user performs the touch function of the keyboard device 2 with multiple fingers, the judgment mechanism is the same as above. The only difference is that the control unit 24 will simultaneously receive multiple first touch signals, and then simultaneously receive multiple second touch signals corresponding to the keys 211-219. Regarding the situation that the control unit 24 first receives multiple second touch signals corresponding to the keys 211 - 219 , and then simultaneously receives multiple first touch signals, it is the same as the above situation and will not be repeated here. Wherein, the operation of the control unit 24 outputting the corresponding touch command according to the judging mechanism is well known to those skilled in the art, so it will not be repeated here.

Moreover, the present invention further provides a second preferred embodiment different from the aforementioned first preferred embodiment. Please refer to FIG. 4 , which is an exploded schematic view of the second preferred embodiment of the keyboard device with touch function of the present invention. The keyboard device 3 includes a plurality of keys 31, a plurality of first touch detection elements 32, a plurality of second touch detection elements 33, a control unit 34, a support plate 35, a main circuit board 36, a membrane switch circuit 37, a plastic sheet 38 and a wireless transmission module 39, and each button 31 includes a button cap 3111, a frame 3112 and an elastic element 3113 (in order to maintain the clarity of the drawing, only a few are shown, each elastic element 3111 is actually is corresponding to a key cap 3111 ), and the membrane switch circuit 37 has a plurality of key contacts 371 corresponding to a plurality of keys 31 . The keyboard device 3 with touch function in this preferred embodiment is substantially the same in structure and function as the keyboard device 2 with touch function in the first preferred embodiment, and the similarities will not be repeated here. And there are three differences between this preferred embodiment and the first preferred embodiment, first, the wireless transmission module 39 of this preferred embodiment is not included in the control unit 34, it is arranged on the main circuit board 36, The operation of the wireless transmission module 39 is substantially the same as that of the first preferred embodiment, and will not be repeated here. Second, the keyboard device 3 further includes a plastic sheet 38 disposed above the membrane switch circuit 37 for supporting a plurality of elastic elements 3113 . That is to say, the plurality of elastic elements 3113 in this preferred embodiment are respectively disposed on the plastic sheet 38 .

Third, in this preferred embodiment, a plurality of first touch detection elements 32 are arranged on the plastic sheet 38 and are located below the keycap 3111 of the space bar 310 corresponding to the plurality of keys 31, while the second touch The control detection element 33 is disposed on the plastic sheet 38 and located below the key caps 3111 corresponding to the keys 311 - 319 around the space bar 310 . Therefore, the components in the keyboard device 3 are arranged in order from top to bottom as a key cap 3111, a frame 3112, an elastic component 3113, a plurality of first touch detection components 32, and a plurality of second touch detection components 33 , a plastic sheet 38 , a membrane switch circuit 37 and a supporting plate 35 , and the main circuit board 34 is arranged on one side of the membrane switch circuit 37 .

Moreover, the present invention further provides a third preferred embodiment different from the aforementioned preferred embodiments. Please refer to FIG. 5 , which is an exploded schematic diagram of a keyboard device with a touch function in a third preferred embodiment of the present invention. The keyboard device 4 with touch function of the present invention is connected to a computer host (not shown in the figure), and the keyboard device 4 includes a plurality of keys 411 (only two are shown in the figure), a plurality of first touch detection elements 42. A plurality of second touch detection elements 43 (only one is shown in the figure), a control unit 44, a support plate 45, a main circuit board 46, a membrane switch circuit 47, a plastic sheet 48, and a plurality of buttons 411 is disposed on an upper surface of the keyboard device 4 for being pressed to generate a plurality of corresponding scan codes (not shown in the figure). A plurality of first touch detection elements 42 are arranged in a row and arranged inside a space bar 410 among the plurality of keys 411. When the user touches the space bar 410, a first touch signal (not shown in the figure) can be generated. ), and when the user continuously touches the space bar 410, for example, the user slides his finger from the left side of the space bar 410 to the right side of the space bar 410, each first touch detection element 42 generates A first touch signal, that is, a plurality of first touch detection elements 42 continuously output a plurality of first touch signals.

A plurality of second touch detection elements 43 are arranged inside a plurality of keys 411 (only one is shown in the figure) around the space bar 410, and when the user touches the keys 411 around the space bar 410, a corresponding A plurality of second touch signals (not shown in the figure), wherein the keys 411 are the left Alt key, X key, C key, V key, B key, N key, M key and key, , key and right Alt key 419. In this preferred embodiment, both the first touch detection element 42 and the second touch detection element 43 are capacitive touch sensors, and the keyboard device 4 is a keyboard device for a notebook computer.

In FIG. 5 , the support plate 45 is disposed under the keys 411 , the main circuit board 46 and the membrane switch circuit 47 for supporting the keys, the main circuit board 46 and the membrane switch circuit 47 thereon. The main circuit board 46 is disposed on one side of the membrane switch circuit 47 and connected to the membrane switch circuit 47 for disposing the control unit 44 thereon. Membrane switch circuit 47 is arranged under multiple keys 411 and connected to main circuit board 46. Membrane switch circuit 47 has multiple key contacts 471. When multiple key contacts 471 are triggered by corresponding keys 411, corresponding keys can be generated. A plurality of scan codes are sent to the control unit 44 , and the plastic sheet 48 is arranged above the membrane switch circuit 47 .

Each button 411 includes a button cap 4111 , a connecting element 4112 and an elastic element 4113 . The key cap 4111 is exposed on the upper surface of the keyboard device 4 , and when the user touches the key cap 4111 , the key cap 4111 moves down correspondingly to trigger the corresponding key contact 471 . The connecting element 4112 is located between the support plate 45 and the key cap 4111 , and is used for connecting the key cap 4111 and the support plate 45 and making the key cap 4111 move up and down relative to the support plate 45 . The elastic element 4113 is located under the key cap 4111 and disposed on the plastic sheet 48 for contacting the key contact 471 or providing an elastic force. In this preferred embodiment, the connection element 4112 is a scissors type connection element, and the elastic element 4113 is an elastic rubber body.

The operation of the user pressing the key 411 is as follows: when the key cap 4111 is pressed, the connecting element 4112 changes from the cross state to the overlapping state due to the pressing of the key cap 4111, and the elastic element 4113 is squeezed by the key cap 4111 Press and deform to trigger the corresponding key contact 471 , so that the key contact 471 outputs the corresponding scan code to the control unit 44 . When the key cap 4111 is no longer pressed, the elastic element 4113 returns to its original shape and provides elastic force to the key cap 4111, so that the key cap 4111 moves upward and returns to the position before being pressed, and the connecting element 4112 is pressed by the key cap. 4111 driven and restored to its original state.

Next, the setting relationship of the plurality of first touch detection elements 42 and the space bar 410 will be described. Please refer to FIG. 5 and FIG. 6 at the same time. FIG. 6 is an exploded schematic diagram of a partial structure of a keyboard device with a touch function in a third preferred embodiment of the present invention. First, FIG. 6 shows the situation where the plastic sheet 48 is laminated with the membrane switch circuit 47 . Secondly, the space bar 410 includes a plurality of reinforcing rings 4101, which are arranged under the keycap 4111 corresponding to the space bar 410. Since the shape of the space bar 410 is long, a plurality of reinforcing rings are arranged inside the space bar 410. 4101, the structure of the key cap 4111 of the space bar 410 can be strengthened. In addition, a plurality of first touch detection elements 42 are integrated and arranged on the lower surface of the key cap 4111 corresponding to the space bar 410, when the user touches the space bar 410, it is located under the key cap 411 The plurality of first touch detection elements 42 on the surface generate corresponding first touch signals. It should be noted that although a plurality of first touch detection elements 42 are disposed on the lower surface of the keycap 4111 corresponding to the space bar 410, the plurality of first touch detection elements 42 are electrically connected to the thin film The switch circuit 47 , that is, the first touch signal can be transmitted to the control unit 44 through the membrane switch circuit 47 .

In Fig. 5, the control unit 44 further includes a wireless transmission module 441, and the wireless transmission module 441 includes a scan code comparison table corresponding to a plurality of scan codes, as for the operation of the wireless transmission module 441, it is compared with the first The preferred embodiments are the same, so no further description is given. Wherein, the control unit 44 is connected to a plurality of keys 411 through the membrane switch circuit 47 , and is connected to the host computer through the wireless transmission module 441 .

Next, the details of the judging mechanism of the control unit 44 will be described. Please refer to FIG. 7A and FIG. 7B . FIG. 7A and FIG. 7B are the judgment flow charts of the control unit of the keyboard device with touch function in the third preferred embodiment of the present invention. The judging mechanism carried out by the control unit 44 of this preferred embodiment is different from that of the first preferred embodiment, and the judging mechanism carried out by the control unit 44 includes the following steps:

Step A2: The control unit detects whether the first touch signal or the second touch signal is received.

Step B2: The control unit detects whether another first touch signal is received within a first preset time in response to the first touch signal.

Step C2: The control unit detects whether any scan code is received within a first preset time in response to the second touch signal.

Step D2: The control unit puts the keyboard device in a keyboard mode, and detects whether any scan code is received within a second preset time.

Step E2: The control unit puts the keyboard device in a touch mode, and detects whether any second touch signal is received within a third preset time.

Step F2: The control unit outputs corresponding key signals to the host computer.

Step G2: The control unit detects whether the first touch signal is received within a fourth preset time.

Step H2: The control unit outputs corresponding touch commands to the host computer.

Step I2: The control unit detects whether other first touch signals are received within a first preset time in response to the first touch signal.

Step J2: The control unit outputs corresponding key signals to the host computer.

Step K2: The control unit outputs corresponding touch commands to the host computer.

In step A2, when the control unit 44 receives the first touch signal, the control unit 44 proceeds to step B2, when the control unit 44 receives the second touch signal, the control unit 44 proceeds to step C2, and when the control unit 44 When the first touch signal and the second touch signal are not received, the control unit 44 performs step A2 again. In step B2, when the control unit 44 receives other first touch signals, the control unit 44 proceeds to step E2, and when the control unit 44 does not receive other first touch signals, the control unit 44 proceeds to step D2 . In step E2, when the control unit 44 receives the second touch signal, the control unit 44 proceeds to step H2, and when the control unit 44 does not receive the second touch signal, the control unit 44 proceeds to step A2 again. In step C2, when the control unit 44 receives the scan code, the control unit 44 proceeds to step F2, and when the control unit 44 does not receive the scan code, the control unit 44 proceeds to step G2. In step G2, when the control unit 44 receives the first touch signal, the control unit 44 proceeds to step I2, and when the control unit 44 does not receive the first touch signal, the control unit 44 proceeds to step C2 again. In step I2, when the control unit 44 receives other first touch signals, the control unit 44 proceeds to step K2, and when the control unit 44 does not receive other first touch signals, the control unit 44 proceeds to step K2 again. A2. Among them, step B2 and step I2 are a mechanism for preventing misjudgment to prevent users from touching by mistake, that is to say, the user must touch the space bar 410 continuously to meet the conditions of step B2 and step I2 before the touch function can be activated. , otherwise, the keyboard device 4 will remain in the keyboard mode.

Example: The first case is as follows. First, the control unit 44 proceeds to step A2, and when the user first touches but does not press the left side of the space bar 410, the first touch detection element 42 located on the left side of the space bar 410 outputs a first touch signal Go to the control unit 44, at this time, the control unit 44 proceeds to step B2. When the user's finger slides from the left side of the space bar 410 to the center of the space bar 410 , the control unit 44 performs step E2 according to the corresponding first touch signals received continuously. Finally, when the user moves his finger from the center of the space bar 410 to the B key and touches the B key, the control unit 44 performs step H2 according to the second touch signal corresponding to the B key, that is, in response to the continuous generation of The first touch signal and the second touch signal corresponding to the B key output a touch command to the computer host, so that the computer host performs a corresponding touch function, such as starting a music player.

The second case is as follows. When the control unit 44 performs steps A2 and B2 in response to the same operation of the user as in the first case, then the user then directly presses the space bar 210, at this time, the control unit 44 performs steps D2 and J2, that is The control unit 44 outputs a key signal corresponding to the space bar 410 to the host computer.

The third case is as follows. When the control unit 44 performs step A2, step B2 and step E2 in response to the user’s same operation as in the first case, but the control unit 44 does not receive any second touch signal in step E2, at this time, the control The unit 44 performs step A2 again to re-execute the judging mechanism.

The fourth case is as follows. First, the control unit 44 proceeds to step A2, and when the user touches the V key first but does not press the V key, the second touch detection element 43 located below the V key outputs a second touch signal to the control unit 44. At this time, The control unit 44 proceeds to step C2. When the user touches the left side of the space bar 410 again, the control unit 44 proceeds to step I2 in step G2 according to the first touch signal output by the first touch element 42 located below the left side of the space bar 410 . When the user's finger slides from the left side of the space bar 410 to the right side of the space bar 410, the control unit 44 performs step K2 according to the first touch signal corresponding to the continuous reception, that is, in response to the V key The second touch signal and the continuously generated first touch signal output a touch command to the computer host, so that the computer host performs a corresponding touch function, such as a music player to pause playback.

The fifth case is as follows. When the control unit 44 performs steps A2 and C2 in response to the same operation of the user as in the fourth case, then the user directly presses the V key, at this time, the control unit 44 performs steps C2 and F2, that is, the control unit 44 outputs a key signal corresponding to the V key to the host computer.

The sixth case is as follows. When the control unit 44 performs step A2, step C2 and step G2 in response to the user’s same operation as in the fourth case, but the control unit 44 does not receive any first touch signal in step G2, at this time, the control The unit 44 performs step C2 again to detect whether a key 411 is pressed.

The seventh case is as follows. When the control unit 44 performs step A2, step C2, step G2 and step I2 in response to the user’s same operation as in the fourth case, but the control unit 44 does not receive other first touch signals in step I2, then , the control unit 44 performs step A2 again to re-execute the judging mechanism.

It should be noted that the description of the above judgment mechanism is only for the user to perform the touch function of the keyboard device 4 with a single finger. When the user performs the touch function of the keyboard device 4 with multiple fingers, the judgment mechanism is also the same as above. The only difference is that the control unit 44 will simultaneously receive multiple first touch signals, and then simultaneously receive multiple second touch signals. On the contrary, the case where the control unit 44 first receives multiple second touch signals and then simultaneously receives multiple consecutive first touch signals is the same as the above situation, and will not be repeated here.

Moreover, the present invention further provides a fourth preferred embodiment different from the aforementioned preferred embodiments. Please refer to FIG. 8 and FIG. 9 at the same time. FIG. 8 is an exploded schematic view of the structure of the keyboard device with touch function in the fourth preferred embodiment of the present invention, and FIG. 9 is a key cap of the keyboard device with touch function in the present invention , a schematic diagram of the partial structure of the frame and connecting elements in the fourth preferred embodiment. The keyboard device 5 includes a plurality of keys 51 (only two are shown in the figure), a plurality of first touch detection elements 52, a plurality of second touch detection elements 53, a control unit 54, a support plate 55, A main circuit board 56 and a membrane switch circuit 57, and each button 51 includes a button cap 5111, a frame 5112, a connecting element 5113, a first magnetic element 5114 and a second magnetic element 5115, and the membrane switch circuit 57 has a corresponding A plurality of button contacts 571 of a button 51. Wherein, what is shown in FIG. 9 is the key 51 corresponding to the right Alt key. The keyboard device 5 with touch function in this preferred embodiment is substantially the same in structure and function as the keyboard device 2 with touch function in the first preferred embodiment, and the similarities will not be repeated here. However, there are two differences between this preferred embodiment and the first preferred embodiment. First, the structure of the key 51 of this preferred embodiment is different. Second, the positions of the plurality of first touch detection elements 52 and the plurality of second touch detection elements 53 are different.

First, the structure of the key 51 will be described. The key cap 5111 is exposed on the upper surface of the keyboard device 5, and is used to be touched to move and trigger the corresponding key contact 571, and the key cap 5111 further includes a plurality of protrusions 5111A and a trigger portion 5111B, and the plurality of protrusions 5111A is disposed on one side of the key cap 5111 , and the trigger portion 5111B is disposed on the lower surface of the key cap 5111 . The frame 5112 is in contact with the corresponding key cap 5111, so as to block the key cap 5111 and prevent the key cap 5111 from coming out of the frame 5112. In detail, the frame 5112 can limit the key cap 5111 to only fit within the range of the frame 5112 and the connecting element 5113 Move inside without coming out from the frame 5112. The connecting element 5113 is located below the frame 5111 and the key cap 5111 is in contact with the key cap 5111 to move up and down relative to the frame 5112. The connecting element 5113 includes a plurality of inclined guide grooves 5113A, which are arranged on the two side walls of the connecting element 5113 and correspond to A plurality of bumps 5111A. The first magnetic element 5114 is disposed on the keycap 5111 , and the second magnetic element 5115 is disposed on the connection element 5113 , and is used to generate a magnetic force in response to the first magnetic element 5114 to reset the keycap 5111 .

Briefly describe the operation situation when the button cap 5111 is pressed. When the user does not press the key cap 5111 , the first magnetic element 5114 on the key cap 5111 is attracted by the second magnetic element 5115 on the connecting element 5113 . When the user presses the key cap 5111, the pressure exerted by the user on the key cap 5111 is greater than the magnetic force between the first magnetic element 5114 and the second magnetic element 5115, so that the plurality of protrusions 5111A of the key cap 5111 are respectively formed by One end of the inclined guide groove 5113A (ie, the upper end in FIG. 9 ) moves to the other end of the inclined guide groove 5113A (ie, the lower end in FIG. 9 ). In short, the keycap 5111 moves down relative to the frame 5112 . At the same time, the trigger portion 5111B on the key cap 5111 contacts the membrane switch circuit 57 below the connection element 5113 to trigger the key contact 571 to generate a corresponding key signal. When the user no longer presses the button cap 5111 , the magnetic force generated by the second magnetic element 5115 in response to the first magnetic element 5114 is no longer affected by the downward force, so as to attract the first magnetic element 5114 to move upward. At this time, the protrusions 5111A of the key cap 5111 move from the other end of the inclined guide groove 5113B to the end of the inclined guide groove 5113B, so that the key cap 5111 returns to the position before being pressed.

It can be seen from FIG. 9 that the second touch detection element 53 is disposed on the lower surface of the key cap 5111 and adjacent to the trigger portion 5111B, and the key cap 5111 corresponds to the left Alt key. Similarly, a plurality of first touch detection elements 52 are disposed on the lower surface of the key cap 5111 corresponding to the space bar 510 .

In addition, the present invention further provides a fifth preferred embodiment different from the aforementioned preferred embodiments. Please refer to FIG. 10 , which is a schematic cross-sectional side view of a partial structure of a keyboard device with a touch function in a fifth preferred embodiment of the present invention. The keyboard device 6 includes a plurality of keys 61 (only one is shown in the figure), a plurality of first touch detection elements (not shown in the figure), and a plurality of second touch detection elements 63 (only one is shown in the figure) , a control unit 64, a support plate 65, a main circuit board 66 and a membrane switch circuit 67, and each button 61 includes a button cap 6111, a frame 6112 and an elastic element 6113, and the membrane switch circuit 67 has corresponding to a plurality of A plurality of key contacts 671 of the key 61 . The structure and function of the keyboard device 6 with touch function in this preferred embodiment is substantially the same as that of the keyboard device 3 with touch function in the second preferred embodiment, and the similarities will not be repeated here. There are two differences between this preferred embodiment and the second preferred embodiment. First, the positions of the plurality of first touch detection elements and the plurality of second touch detection elements 63 are different. Second, the structure of the button 61 .

Regarding the first difference: a plurality of first touch detection elements and a plurality of second touch detection elements 63 are arranged on the upper surface 672 of the membrane switch circuit 67 and located on one side of the elastic element 6113, but not in this way However, in another preferred embodiment, a plurality of first touch detection elements and a plurality of second touch detection elements can also be disposed on the lower surface of the membrane switch circuit or the lower surface of the key cap.

Regarding the second difference: the keycap 6111 is exposed on the upper surface of the keyboard device 6 for being pressed to move and trigger the corresponding key contact 671, and the keycap 6111 further includes a trigger part 6111A, which is arranged on the keycap 6111 on the lower surface. The frame 6112 is in contact with the corresponding key cap 6111 to block the key cap 6111 and prevent the key cap 6111 from falling out of the frame 6112 . The elastic element 6113 is located below the key cap 6111 and is in contact with the key cap 6111 so that the key cap 6111 does not contact the key contacts 671 below it. When the key cap 6111 is pressed, the elastic element 6113 deforms and contacts the key contact 671 to generate a corresponding key signal. And when the keycap 6111 is no longer pressed, the elastic element 6113 returns to its original shape and provides an elastic force to reset the keycap 6111. In this preferred embodiment, the elastic element 6113 is made of metal material.

It should be noted that the various types of keys in the above-mentioned preferred embodiments can be changed according to the structure of different keyboard devices to change the number of first touch detection elements and the number of second touch detection elements. Set location. For example, the plurality of first touch detection elements and the plurality of second touch detection elements in the first preferred embodiment can also be disposed inside the key, that is, on the lower surface of the key cap. The plurality of first touch detection elements in the third preferred embodiment and the plurality of second touch detection elements can also be arranged on the plastic sheet, and the plurality of first touch detection elements in the fourth preferred embodiment The detection element and the plurality of second touch detection elements can also be arranged on the lower surface or the upper surface of the membrane switch circuit.

According to the above-mentioned preferred embodiments, it can be seen that the keyboard device with touch function of the present invention is provided with a plurality of first touch detection elements inside or below the space bar, and inside or below the multiple keys around the space bar The second touch detection element is set and formed in cooperation with the judging mechanism of the control unit. In short, the keyboard device with touch function of the present invention can generate touch commands by sequentially touching the space bar and the keys located around the space bar, without the need for pressing to switch between the keyboard mode and the touch mode. Switch key, or touch and press the hot key to switch between keyboard mode and touch mode. Therefore, users can operate keyboard mode and touch mode without changing their usual gestures of operating the keyboard device, which conforms to the user's operating habits . Compared with the existing keyboard device, the keyboard device with touch function of the present invention does not need to interrupt the user's habitual gesture of operating the keyboard device, but can conform to the user's operating habits, and can be easily operated by intuitive operation .

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the scope of the claims of the present invention. Therefore, all other equivalent changes or modifications that do not deviate from the spirit disclosed in the present invention should be included in this disclosure. within the scope of the invention.

Claims (10)

1. A keyboard device with touch control function is connected with a computer host, and is characterized in that the keyboard device with touch control function comprises:

the keys are arranged on the upper surface of the keyboard device and are used for being pressed to generate a plurality of scanning codes;

the touch control device comprises a plurality of first touch control detection elements, a plurality of second touch control detection elements and a plurality of touch control signals, wherein the first touch control detection elements are arranged in a row and arranged inside a space key of the plurality of keys or below the space key and used for generating a first touch control signal when the space key is touched or generating a plurality of first touch control signals when the space key is continuously touched;

the second touch detection element is arranged inside a key around the space key or below the key and used for generating a second touch signal when the key is touched; and

a control unit connected to the plurality of keys and the computer host for outputting a corresponding key signal to the computer host according to the received scan code, or outputting a touch instruction to the computer host according to the sequentially received first touch signal and the second touch signal, or the plurality of first touch signals and the second touch signal; wherein,

when the control unit receives the first touch signal, the control unit detects whether any scanning code is received within a first preset time; wherein,

when the control unit receives the scanning code within the first preset time, the control unit outputs the corresponding key signal to the computer host; when the control unit does not receive any scanning code within the first preset time, the control unit detects whether the second touch signal is received within a second preset time; wherein,

when the control unit receives the second touch signal within the second preset time, the control unit outputs the touch instruction to the computer host; when the control unit does not receive the second touch signal within the second preset time, the control unit detects whether the scanning codes of the plurality of keys are received within the first preset time again; and the number of the first and second groups,

when the control unit receives the second touch signal, the control unit detects whether any scanning code is received within the first preset time; wherein,

when the control unit receives the scanning code within the first preset time, the control unit outputs the corresponding key signal to the computer host; when the control unit does not receive any scanning code within the first preset time, the control unit detects whether the first touch signal is received within the second preset time; wherein,

when the control unit receives the first touch signal within the second preset time, the control unit outputs the touch instruction to the computer host; and when the control unit does not receive the first touch signal within the second preset time, the control unit detects whether the scanning codes of the plurality of keys are received within the first preset time again.

2. A keyboard arrangement with touch functionality according to claim 1, wherein the keyboard arrangement further comprises:

a supporting plate for bearing the plurality of keys thereon;

a main circuit board for arranging the control unit thereon; and

the thin film switch circuit is arranged below the plurality of keys and connected to the main circuit board, and is provided with a plurality of key contacts, and each key contact is used for being triggered to generate the corresponding scanning code;

and each key comprises:

a key cap exposed on the upper surface of the keyboard device;

a connecting element, which is positioned between the supporting plate and the key cap and is used for connecting the supporting plate and the key cap and enabling the key cap to move up and down relative to the supporting plate; and

an elastic element is arranged below the key cap and used for triggering the corresponding key contact when the key cap is touched and pressed or providing an elastic force to the key cap to reset the key cap.

3. The keyboard apparatus with touch control function according to claim 2, wherein the first touch detection elements are disposed on the membrane switch circuit and under the key cap corresponding to the space key, and the second touch detection elements are disposed on the membrane switch circuit and under the key cap corresponding to the keys around the space key; or alternatively

The plurality of first touch detection elements are arranged on a lower surface of the key cap corresponding to the space key, and the second touch detection elements are arranged on the lower surface of the key cap corresponding to the keys around the space key.

4. The keyboard apparatus with touch control function according to claim 2, further comprising a plastic sheet disposed above the membrane switch circuit for carrying the elastic elements, wherein the first touch detection elements are disposed on the plastic sheet and under the key caps corresponding to the space keys, and the second touch detection elements are disposed on the plastic sheet and under the key caps corresponding to the keys around the space keys.

5. A keyboard arrangement with touch functionality according to claim 1, wherein the keyboard arrangement further comprises:

a supporting plate for bearing the plurality of keys thereon;

a main circuit board for arranging the control unit thereon; and

the thin film switch circuit is arranged below the plurality of keys and connected to the main circuit board, and is provided with a plurality of key contacts, and each key contact is used for being triggered to generate the corresponding scanning code;

and each key comprises:

a key cap exposed on the upper surface of the keyboard device for being pressed to move and trigger the corresponding key contact;

the frame is contacted with the key cap and used for blocking the key cap and preventing the key cap from falling out of the frame;

a connecting element which is positioned below the frame and contacts with the key cap so as to enable the key cap to move up and down relative to the frame;

a first magnetic element arranged on the key cap; and

the second magnetic element is arranged on the connecting element and used for generating a magnetic force due to the first magnetic element so as to reset the key cap.

6. The keyboard apparatus with touch control function according to claim 5, wherein the first touch detection elements are disposed on the membrane switch circuit and under the key cap corresponding to the space key, and the second touch detection elements are disposed on the membrane switch circuit and under the key cap corresponding to the keys around the space key; or alternatively

The plurality of first touch detection elements are arranged on a lower surface of the key cap corresponding to the space key, and the second touch detection elements are arranged on the lower surface of the key cap corresponding to the keys around the space key.

7. A keyboard arrangement with touch functionality according to claim 1, wherein the keyboard arrangement further comprises:

a supporting plate for bearing the plurality of keys thereon;

a main circuit board for arranging the control unit thereon; and

the thin film switch circuit is arranged below the plurality of keys and connected to the main circuit board, and is provided with a plurality of key contacts, and each key contact is used for being triggered to generate the corresponding scanning code;

and each key comprises:

a key cap exposed on the upper surface of the keyboard device;

a frame, contacting with the key cap, for preventing the key cap from falling out of the frame; and

an elastic element is arranged below the key cap and used for triggering the corresponding key contact when the key cap is touched and pressed or providing an elastic force to the key cap to reset the key cap.

8. The keyboard apparatus with touch control function according to claim 7, wherein the first touch detection elements are disposed on the membrane switch circuit and under the key cap corresponding to the space key, and the second touch detection elements are disposed on the membrane switch circuit and under the key cap corresponding to the keys around the space key; or alternatively

The plurality of first touch detection elements are arranged on a lower surface of the key cap corresponding to the space key, and the second touch detection elements are arranged on the lower surface of the key cap corresponding to the keys around the space key.

9. The keyboard apparatus with touch control function of claim 7, further comprising a plastic sheet disposed above the membrane switch circuit for carrying the elastic elements, wherein the first touch detection elements are disposed on the plastic sheet and under the key caps corresponding to the space keys, and the second touch detection elements are disposed on the plastic sheet and under the key caps corresponding to the keys around the space keys.

10. A keyboard device with touch control function is connected with a computer host, and is characterized in that the keyboard device with touch control function comprises:

the keys are arranged on the upper surface of the keyboard device and are used for being pressed to generate a plurality of scanning codes;

the touch control device comprises a plurality of first touch control detection elements, a plurality of second touch control detection elements and a plurality of touch control signals, wherein the first touch control detection elements are arranged in a row and arranged inside a space key of the plurality of keys or below the space key and used for generating a first touch control signal when the space key is touched or generating a plurality of first touch control signals when the space key is continuously touched;

the second touch detection element is arranged inside a key around the space key or below the key and used for generating a second touch signal when the key is touched; and

a control unit connected to the plurality of keys and the computer host for outputting a corresponding key signal to the computer host according to the received scan code, or outputting a touch instruction to the computer host according to the sequentially received first touch signal and the second touch signal, or the plurality of first touch signals and the second touch signal; wherein,

when the control unit receives the first touch signal, the control unit detects whether other first touch signals are received within a first preset time; wherein,

when the control unit does not receive other first touch signals within the first preset time, the control unit enables the keyboard device to be in a keyboard mode and detects whether any scanning code is received within a second preset time; when the control unit receives other first touch signals within the first preset time, the control unit enables the keyboard device to be in a touch mode and detects whether a second touch signal is received within a third preset time; wherein,

when the control unit receives the second touch signal within the third preset time, the control unit outputs the touch instruction to the computer host; when the control unit does not receive the second touch signal within the third preset time, the control unit enables the keyboard device to be in the keyboard mode, and detects whether the scanning codes of the plurality of keys are received within the first preset time again; and the number of the first and second groups,

when the control unit receives the second touch signal, the control unit detects whether any scanning code is received within the first preset time; wherein,

when the control unit receives the scanning code within the first preset time, the control unit outputs the corresponding key signal to the computer host; when the control unit does not receive any scanning code within the first preset time, the control unit detects whether the first touch signal is received within the second preset time; wherein,

when the control unit receives the first touch signal within the second preset time, the control unit detects whether other first touch signals are received within the third preset time; wherein,

when the control unit does not receive other first touch signals within the third preset time, enabling the keyboard device to be in a keyboard mode, and detecting whether the scanning codes of the plurality of keys are received within the first preset time again; and when the control unit receives other first touch signals within the third preset time, the control unit enables the keyboard device to be in a touch mode and outputs the touch instruction to the computer host.