CN116149497A - Input signal generating device and electronic equipment - Google Patents
Input signal generating device and electronic equipment Download PDFInfo
- Publication number
- CN116149497A CN116149497A CN202310331982.1A CN202310331982A CN116149497A CN 116149497 A CN116149497 A CN 116149497A CN 202310331982 A CN202310331982 A CN 202310331982A CN 116149497 A CN116149497 A CN 116149497A
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- China
- Prior art keywords
- key
- coil
- electromagnetic scanning
- moving unit
- fixed base
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03547—Touch pads, in which fingers can move on a surface
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
Abstract
The invention discloses an input signal generating device, which comprises a fixed base, wherein a first moving unit is arranged in the fixed base, and a second moving unit and an electromagnetic scanning coil are laminated on the outer surface of the fixed base at the position corresponding to the first moving unit; the second moving unit is arranged above the electromagnetic scanning coil, and the electromagnetic scanning coil is fixedly connected with the fixed base; the first moving unit is provided with a first magnetic component; the second mobile unit is provided with a key, an LC coil circuit and a second magnetic component which corresponds to the first magnetic component in position and attracts mutually; the LC coil circuit is arranged between the key and the electromagnetic scanning coil. Through setting up LC coil circuit and electromagnetic scanning coil, can realize the input of displacement signal, reach the function of mouse, simultaneously, adopt the magnetism to inhale and connect, can dismantle at any time, do not hinder notebook computer whole closure to carry.
Description
Technical Field
The application relates to the technical field of input equipment, in particular to an input signal generating device and electronic equipment.
Background
Input devices are one of the main means for information exchange between a user and a computer system, such as a keyboard, a mouse, a camera, a scanner, a light pen, a handwriting input board, a joystick, a voice input device, etc., all belong to the input devices. An input device (InputDevice) is a means for human or external interaction with a computer for inputting raw data and programs for processing such data into the computer. The computer can receive various data, namely numerical data, or various non-numerical data, such as graphics, images, sound and the like, which can be input into the computer through different types of input devices for storage, processing and output.
At present, the notebook computer is provided with an input device, namely a keyboard and a touch pad, and the function of a mouse is realized by using the touch pad, but the use of the touch pad requires that a user hangs fingers in the air, the operated fingers always slide on the touch pad, the operation is very inconvenient, and especially when a new user uses the notebook computer, the operation of the touch pad cannot be adapted to the operation of shortcut instructions such as left key, right key, scrolling and the like of the notebook computer.
Disclosure of Invention
In view of the above, the present application has been made to provide an input signal generating device and an electronic apparatus that overcome or at least partially solve the above-mentioned problems.
The embodiment of the invention discloses an input signal generating device, which comprises:
an input signal generating device, comprising:
the electromagnetic scanning device comprises a fixed base, a first moving unit and a second moving unit, wherein the first moving unit is arranged in the fixed base; the second moving unit is arranged above the electromagnetic scanning coil, and the electromagnetic scanning coil is fixedly connected with the fixed base;
the first moving unit is provided with a first magnetic component;
the second mobile unit is provided with a key, an LC coil circuit and a second magnetic component which corresponds to the first magnetic component in position and attracts mutually; the key is arranged at the middle position of the surface of the second mobile unit, and the LC coil circuit is arranged between the key and the electromagnetic scanning coil;
the electromagnetic scanning coil is used for acquiring coordinate change information of the LC coil circuit, and when the LC coil circuit and the electromagnetic scanning coil are subjected to relative displacement, the device inputs a first preset instruction;
when the key is touched and the LC coil circuit and the electromagnetic scanning coil are displaced relatively, the device inputs a second preset instruction.
Further, the inside of unable adjustment base still is equipped with main control unit and power PCB, power PCB with electromagnetic scanning coil electricity is connected, main control unit sets up power PCB.
Further, the second mobile unit is further provided with a left key and a right key, the left key is arranged on the left side of the key, and the right key is arranged on the right side of the key;
the left key and the right key are respectively connected with a capacitor in parallel and connected to the LC coil circuit;
the capacitor is used for changing the resonant frequency of the LC coil circuit so that the electromagnetic scanning coil detects different signals.
Further, the left key and the right key are provided with a first pressing switch and a second pressing switch;
the first push switch is used for switching on a circuit, and the second push switch is used for switching on the capacitor.
Further, the second mobile unit further comprises a signal cut-off key for cutting off signal input to the device.
Further, the device also comprises a return spring, wherein one end of the return spring is connected with the first moving unit, and the other end of the return spring is connected with the fixed base;
the return spring is used for resetting the first mobile unit to an initial position.
Further, at least 3 first balls are arranged on the side, contacted with the fixed base, of the first moving unit;
at least 3 second balls are arranged on one side of the second moving unit facing the fixed base.
Further, the surface of the electromagnetic scanning coil is provided with a wear-resistant plate.
Further, a dome sheet is arranged at the bottom of the LC coil circuit, and the dome sheet is triggered by pressing the key;
when the dome is touched and the LC coil circuit and the electromagnetic scanning coil are displaced relatively, the device inputs a third preset instruction.
An electronic device comprising an input signal generating means as claimed in any one of the preceding claims.
The application has the following advantages:
in the embodiment of the present application, aiming at the defects of difficult use and inconvenient operation of a touch pad in the prior art, the present application provides an input signal generating device, which specifically includes: the electromagnetic scanning device comprises a fixed base, a first moving unit and a second moving unit, wherein the first moving unit is arranged in the fixed base; the second moving unit is arranged above the electromagnetic scanning coil, and the electromagnetic scanning coil is fixedly connected with the fixed base; the first moving unit is provided with a first magnetic component; the second mobile unit is provided with a key, an LC coil circuit and a second magnetic component which corresponds to the first magnetic component in position and attracts mutually; the key is arranged at the middle position of the surface of the second mobile unit, and the LC coil circuit is arranged between the key and the electromagnetic scanning coil; when the LC coil circuit and the electromagnetic scanning coil are relatively displaced, the device inputs a first preset instruction; when the key is touched and the LC coil circuit and the electromagnetic scanning coil are displaced relatively, the device inputs a second preset instruction. Through setting up LC coil circuit and electromagnetic scanning coil, can realize the input of displacement signal, simultaneously, adopt the magnetism to inhale and connect, can set up and realize the mouse function on notebook computer keyboard or monomer keyboard, can dismantle at any time, do not hinder the whole closure of notebook computer to carry.
Drawings
In order to more clearly illustrate the technical solutions of the present application, the drawings that are needed in the description of the present application will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic structural diagram of an input signal generating device according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of an electromagnetic scanning coil of an input signal generating device according to an embodiment of the present disclosure;
fig. 3 is a circuit diagram of a second mobile unit of an input signal generating device according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a first moving unit of an input signal generating device according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a second mobile unit of an input signal generating device according to an embodiment of the present disclosure;
FIG. 6 is a schematic diagram of an input signal generating device according to an embodiment of the present disclosure;
fig. 7 is a schematic structural diagram of an input signal generating device according to an embodiment of the present disclosure mounted on a keyboard of a notebook computer.
In the accompanying drawings: 101. a fixed base; 102. a first mobile unit; 103. a second mobile unit; 104. a first magnetic attraction member; 105. a second magnetic attraction member; 106. a key; 107. an LC coil circuit; 108. a left key; 109. a first ball; 110. a second ball; 111. an electromagnetic scanning coil; 112. a power supply PCB; 113. a right key; 114. a second push switch; 115. a first push switch; 301. a magnetic ring; 302. a coil; 401. a return spring; 501. a signal cut-off switch; 502. the signal cuts off the key.
Detailed Description
In order to make the objects, features and advantages of the present application more comprehensible, the present application is described in further detail below with reference to the accompanying drawings and detailed description. It will be apparent that the embodiments described are some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
The inventors found by analyzing the prior art that: for the condition that the touch control board is inconvenient to operate in the prior art, people are more familiar with using a mouse, a device can be additionally arranged, signal input equipment is added on a keyboard or equipment, substitution of the touch control board is realized, and operation is convenient.
In the embodiment of the present application, aiming at the defects of difficult use and inconvenient operation of a touch pad in the prior art, the present application provides an input signal generating device, which specifically includes: the electromagnetic scanning device comprises a fixed base, a first moving unit and a second moving unit, wherein the first moving unit is arranged in the fixed base; the second moving unit is arranged above the electromagnetic scanning coil, and the electromagnetic scanning coil is fixedly connected with the fixed base; the first moving unit is provided with a first magnetic component; the second mobile unit is provided with a key, an LC coil circuit and a second magnetic component which corresponds to the first magnetic component in position and attracts mutually; the key is arranged at the middle position of the surface of the second mobile unit, and the LC coil circuit is arranged between the key and the electromagnetic scanning coil; when the LC coil circuit and the electromagnetic scanning coil are relatively displaced, the device inputs a first preset instruction, and when the key is touched and the LC coil circuit and the electromagnetic scanning coil are relatively displaced, the device inputs a second preset instruction. Through setting up LC coil circuit and electromagnetic scanning coil, can realize the input of displacement signal, simultaneously, adopt the magnetism to inhale and connect, can set up and realize the mouse function on notebook computer keyboard or monomer keyboard, can dismantle at any time, do not hinder the whole closure of notebook computer to carry.
Referring to fig. 1, there is shown a schematic structural diagram of an input signal generating device, which may specifically include:
a fixed base 101, wherein a first moving unit 102 is arranged in the fixed base 101, and a second moving unit 103 and an electromagnetic scanning coil 111 are laminated on the outer surface of the fixed base 101 at a position corresponding to the first moving unit 102; the second moving unit 103 is disposed above the electromagnetic scanning coil 111, and the electromagnetic scanning coil 111 is fixedly connected with the fixed base 101;
the first mobile unit 102 is provided with a first magnetic attraction part 104;
the second mobile unit 103 is provided with a key 106, an LC coil circuit 107, and a second magnetic component 105 which corresponds to the first magnetic component 104 in position and attracts; the key 106 is arranged at a position in the middle of the surface of the second mobile unit 103, and the LC coil circuit 107 is arranged between the key 106 and the electromagnetic scanning coil 111;
when the LC coil circuit 107 and the electromagnetic scanning coil 111 are relatively displaced, the device inputs a first preset instruction;
when the key is touched and the LC coil circuit and the electromagnetic scanning coil are displaced relatively, the device inputs a second preset instruction.
It should be noted that, an electromagnetic scanning coil is provided, a driving signal is generated by driving the electromagnetic scanning coil 111 through a main control MCU, an LC coil circuit 107 is provided above the electromagnetic scanning coil, as shown in fig. 1-2, the LC coil circuit 107 includes a magnetic ring 201 and a coil 202, a capacitor is charged through coil induction, and a certain amount of energy is stored by using the capacitor. The bottom scanning driving signal is turned off, the upper LC circuit part generates a driving signal, the current coordinate position is calculated by circulating high-frequency driving signal charging and the lower main control part detecting the size of the scanning coil signal.
The second mobile unit 103 is adsorbed on the surface of the fixed base through the magnetic component, and cannot fall easily, and meanwhile, the second mobile unit is convenient to take down, and the appearance structural design of the original equipment cannot be influenced when the whole device is installed on the demand equipment.
In a specific implementation, as shown in fig. 2, an electromagnetic scanning coil is schematically shown, and different signals are input through different coordinates of an LC coil circuit.
The first instruction is a mouse cursor movement instruction;
the keys are pressure keys, the finger can be touched by a light touch, and the second preset instruction is an instruction of scrolling the mouse wheel up and down and left and right.
Next, an input signal generating device in the present exemplary embodiment will be further described.
In an embodiment of the present application, a main control unit and a power PCB112 are further disposed inside the fixing base, the power PCB112 is electrically connected to the electromagnetic scanning coil 111, and the main control unit is disposed on the power PCB112.
The input instruction is set by the main control unit by setting a signal to be input when the coordinates of the second mobile unit change, so that the input function of the device is diversified.
As shown in fig. 2, in an embodiment of the present application, the second mobile unit 103 is further provided with a left key 108 and a right key 203, the left key 108 is disposed on the left side of the key 106, and the right key 203 is disposed on the right side of the key 106;
the left key 108 and the right key 203 are respectively connected in parallel with a capacitor to be connected to the LC coil circuit 107.
It should be noted that, as shown in fig. 2, the layout of the electromagnetic scanning coil 111 is that the left key 108 and the right key 203 are respectively connected with capacitors of different specifications in parallel to a circuit, and the capacitors are connected and disconnected by setting a left switch 205 and a right switch 204 below the left key 108 and the right key 203, so as to change the oscillation resonant frequency of the LC coil 107, and then different commands are input by detecting the frequency of the electromagnetic scanning coil 111 below, so as to realize the input function of the left and right keys.
In an embodiment of the present application, the left key 108 and the right key 203 are provided with a first push switch 114 and a second push switch 115;
the first push switch 114 is used to complete the circuit and the second push switch 115 is used to complete the capacitor.
It should be noted that, the pressing trigger force of the first pressing switch 114 is small, in a normal state, a finger is placed on the first pressing switch 114 to trigger the switch, so that the whole device can transmit a signal when the finger is placed, and the second moving unit can not send a signal when reset through mechanical devices such as a reset spring.
In an embodiment of the present application, the second mobile unit 103 further includes a signal cut-off key 502, where the signal cut-off key 502 is used to cut off the signal input of the device.
As shown in fig. 5, when the second mobile unit 103 does not reset through the reset structure, when the operation of moving the second mobile unit and not sending a signal is required, the signal cut-off key 502 is pressed to trigger the signal cut-off switch 501, so that the signal sending can be cut off, the second mobile unit 103 is moved without sending a signal, the operation is convenient, the signal cut-off key 502 is a key with smaller triggering force, and the signal cut-off switch 501 can be triggered by the signal cut-off key 502 when the finger is placed lightly.
In an embodiment of the present application, the device further includes a return spring 401, one end of the return spring 401 is connected to the first moving unit 103, and the other end of the return spring 401 is connected to the fixed base 101. As shown in fig. 4, the return spring 401 is connected to a fixing post of the fixing base 101, and the position of the return spring 401 is fixed by the fixing post, thereby resetting the moved first moving unit. During normal operation, the second moving unit is slid by a finger, the second moving unit generates suction force through the magnetic attraction component to drive the first moving unit to move, when the finger is released, the first moving unit 103 is reset through the reset spring 401, the second moving unit is reset due to the suction force of the magnetic attraction component, meanwhile, the key 106 is pressureless, signals are not generated due to displacement, and signals cannot be input due to reset.
The return spring 401 may be configured as a device capable of only driving the first moving unit 102 to move by elastic potential energy, and is used for resetting the first moving unit 102 when the second moving unit 103 is removed, so as to facilitate the next operation, in this case, the second moving unit is configured as shown in fig. 5, and the position of the second moving unit 103 is adjusted by the signal cut-off key 502 and the signal cut-off switch 501.
In an embodiment of the present application, at least 3 first balls 109 are disposed on a side of the first moving unit 102 contacting the fixed base 101;
the second moving unit 103 faces at least 3 second balls 110 on a side of the stationary base 101.
When the second moving unit 103 drives the first moving unit 102 to move, the friction between the first moving unit 103 and the fixed base 101 is reduced by the first ball 109, so that the movement of the first moving unit is smoother, and the second moving unit is provided with the second ball 110, so that the movement of the second moving unit relative to the fixed base 101 is smoother.
In one embodiment of the present application, the surface of the electromagnetic scanning coil 111 is provided with a wear-resistant plate. The wear-resisting plate plays a role in protecting the electromagnetic scanning coil 111, so that the electromagnetic scanning coil 111 is prevented from losing efficacy due to long-time scratch, and the wear-resisting plate can be made of nonmetal materials such as wear-resisting rubber, wear-resisting glass and the like.
In an embodiment of the present application, a dome is disposed at the bottom of the LC coil circuit 107, and the dome is triggered by pressing the key; when the dome is touched and the LC coil circuit and the electromagnetic scanning coil are displaced relatively, the device inputs a third preset instruction. The user can know the generation of the pressing effect by the feedback generated by the pressing threshold value of the dome when the dome is pressed, and meanwhile, after the dome is pressed, the LC coil circuit 107 and the key 106 are reset after the fingers are released.
In a specific implementation, the third preset instruction is an instruction sent by a key in a conventional mouse pressing process.
In an embodiment of the present application, there is further provided an electronic device including the input signal generating apparatus as set forth in any one of the preceding claims.
In a specific implementation, as shown in fig. 6, the input device is mounted on a single keyboard, the fixed base 101 is embedded in the surface of the keyboard, and the second mobile unit 103 is magnetically attached to the single keyboard.
In another embodiment, as shown in fig. 7, the input device is mounted on a keyboard of a notebook computer, the fixed base 101 is embedded in the surface of the keyboard, and the second mobile unit 103 is magnetically attached to the single keyboard. The device can also be arranged at the position of a touch pad of the notebook computer, and the touch pad is completely replaced by a mouse operation mode.
While preferred embodiments of the present embodiments have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the present application.
Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or terminal device comprising the element.
The foregoing has described in detail an input signal generating device and an electronic device provided by the present application, and specific examples have been applied herein to illustrate the principles and embodiments of the present application, where the foregoing examples are provided to assist in understanding the methods and core ideas of the present application; meanwhile, as those skilled in the art will have modifications in the specific embodiments and application scope in accordance with the ideas of the present application, the present description should not be construed as limiting the present application in view of the above.
Claims (10)
1. An input signal generating device, comprising:
the electromagnetic scanning device comprises a fixed base, a first moving unit and a second moving unit, wherein the first moving unit is arranged in the fixed base; the second moving unit is arranged above the electromagnetic scanning coil, and the electromagnetic scanning coil is fixedly connected with the fixed base;
the first moving unit is provided with a first magnetic component;
the second mobile unit is provided with a key, an LC coil circuit and a second magnetic component which corresponds to the first magnetic component in position and attracts mutually; the key is arranged at the middle position of the surface of the second mobile unit, and the LC coil circuit is arranged between the key and the electromagnetic scanning coil;
the electromagnetic scanning coil is used for acquiring coordinate change information of the LC coil circuit, and when the LC coil circuit and the electromagnetic scanning coil are subjected to relative displacement, the device inputs a first preset instruction;
when the key is touched and the LC coil circuit and the electromagnetic scanning coil are displaced relatively, the device inputs a second preset instruction.
2. The device of claim 1, wherein a main control unit and a power PCB are further disposed inside the fixed base, the power PCB is electrically connected to the electromagnetic scanning coil, and the main control unit is disposed on the power PCB.
3. The apparatus of claim 1, wherein the second mobile unit is further provided with a left key and a right key, the left key being disposed on a left side of the key, the right key being disposed on a right side of the key;
the left key and the right key are respectively connected with a capacitor in parallel and connected to the LC coil circuit;
the capacitor is used for changing the resonant frequency of the LC coil circuit so that the electromagnetic scanning coil detects different signals.
4. A device according to claim 3, wherein the left and right keys are provided with a first and a second push switch;
the first push switch is used for switching on a circuit, and the second push switch is used for switching on the capacitor.
5. The apparatus of claim 1, wherein the second mobile unit further comprises a signal cut-off key for cutting off signal input to the apparatus.
6. The device of claim 1, further comprising a return spring, one end of the return spring being connected to the first mobile unit, the other end of the return spring being connected to the stationary base;
the return spring is used for resetting the first mobile unit to an initial position.
7. The apparatus of claim 1, wherein at least 3 first balls are provided on a side of the first moving unit contacting the fixed base;
at least 3 second balls are arranged on one side of the second moving unit facing the fixed base.
8. The apparatus of claim 1, wherein the electromagnetic scan coil surface is provided with a wear plate.
9. The device according to claim 1, wherein a dome is arranged at the bottom of the LC coil circuit, and the dome is triggered by pressing the key;
when the dome is touched and the LC coil circuit and the electromagnetic scanning coil are displaced relatively, the device inputs a third preset instruction.
10. An electronic device comprising an input signal generating device as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310331982.1A CN116149497A (en) | 2023-03-30 | 2023-03-30 | Input signal generating device and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310331982.1A CN116149497A (en) | 2023-03-30 | 2023-03-30 | Input signal generating device and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116149497A true CN116149497A (en) | 2023-05-23 |
Family
ID=86339100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310331982.1A Pending CN116149497A (en) | 2023-03-30 | 2023-03-30 | Input signal generating device and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116149497A (en) |
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2023
- 2023-03-30 CN CN202310331982.1A patent/CN116149497A/en active Pending
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