Keyboard with three-dimensional lighting effect pattern display mode

Abstract

The utility model relates to the technical field of keyboards, and discloses a keyboard with a three-dimensional lighting effect pattern display mode, which comprises an upper cover, a lower cover, keycaps mounted on the upper cover, and a display window positioned on the side edge of the upper cover and used for displaying a three-dimensional lighting effect pattern, and a circuit board used for controlling the lighting effect change of the three-dimensional lighting effect pattern is mounted in the upper cover; the three-dimensional lighting effect pattern display is mainly characterized in that an LED light source is used for irradiating pattern symbols or characters printed on the surface of the reflector; the three-dimensional effect displayed by the three-dimensional lighting effect pattern is the RGB lighting effect from the LED lamp, and the lighting effect is controlled by the keyboard MCU or the special LED driving circuit and is stable; the three-dimensional lighting effect pattern changes along with the change of lamplight, and the irradiated pattern also changes along with the lighting effect angle, so that a three-dimensional visual effect of the pattern in the mirror frame is generated; according to the three-dimensional lighting effect pattern, due to the fact that the pattern and the light-transmitting mirror have a certain distance, namely the visual depth of field, the pattern or the symbol can achieve the effect of continuously changing along with the change of brightness and color of lamplight.

Description

TECHNICAL FIELD

[0001] The utility model relates to keyboard technical field, concretely is a keyboard of three -dimensional light effect pattern display mode. BACKGROUND

[0002] Keyboard is a kind of device that inputs information through key, and each key corresponds to a specific character, number or function. On a computer, keyboard is an important tool for us to communicate with the computer, used to input text, numbers, symbols and execute various commands.

[0003] The keyboard of three-dimensional light effect pattern display mode is a keyboard with unique visual effects and personalized features. This keyboard is usually equipped with an advanced backlight system, which can display a variety of three-dimensional light effect patterns, providing users with a more cool user experience.

[0004] After searching, the patent with application number CN202221033281.7 discloses a light-emitting keyboard and a backlight device for the light-emitting keyboard. The backlight device includes a light guide plate, a circuit board, and multiple light-emitting elements. The light guide plate has multiple through holes. The multiple light-emitting elements are electrically connected to the circuit board. Each light-emitting element corresponds to a through hole. The circuit board is placed on the back of the light guide plate, so that each light-emitting element is placed in its corresponding through hole, and the light-emitting side of each light-emitting element faces the light entrance surface of its corresponding through hole. Each light-emitting element emits light from its light-emitting side towards the light entrance surface of its corresponding through hole and into the light guide plate. The light entrance surface of a specific through hole in the multiple through holes has an optical adjustment surface, and the optical adjustment surface has a curved central axis that is coaxial with the central axis of the corresponding light-emitting element. The backlight device for the light-emitting keyboard according to the utility model effectively utilizes the energy of the light emitted by the light-emitting elements, and the light-emitting keyboard of the utility model has uniform brightness of the patterns on the keycaps.

[0005] The current keyboard backlight device only simply emits light sources, changes the color of the light source, and makes the keyboard light effect more cool. In short, the current keyboard light effect is ordinary and common, and cannot display three-dimensional effect, i.e. the light effect has a lot of room for improvement. Therefore, we need to propose a keyboard of three-dimensional light effect pattern display mode, which changes the display effects of patterns or characters according to the principle of increasing depth of field and refraction, to achieve three-dimensional light effect pattern vision. Utility model content

[0006] The utility model discloses a purpose at providing a kind of keyboard of three-dimensional light effect pattern display mode, three-dimensional light effect pattern display mainly is with LED light source, irradiates the pattern symbol or character printed in reflector layer level;The three-dimensional effect of three-dimensional light effect pattern display is from the RGB light effect of LED lamp, and its light effect is controlled by keyboard MCU or special LED driving circuit, and light effect is stable;Three-dimensional light effect pattern changes with light, and the pattern it irradiates also changes with light effect angle, generates the three-dimensional visual effect of pattern in mirror frame;Three-dimensional light effect pattern benefits from the certain distance of pattern and light transmission mirror, that is visual depth, with the change of light and color, make pattern or symbol reach the effect of constantly changing, to solve the problem proposed in the above background art.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of keyboard of three-dimensional light effect pattern display mode, including upper cover, lower cover, keycap installed on upper cover, display window for showing three-dimensional light effect pattern at the side of upper cover, the inside of the upper cover is equipped with the circuit board for controlling three-dimensional light effect pattern light effect change;

[0008] Keyboard control module, charging management module with NTC temperature detection, mode conversion switch for switching keyboard connection mode, voltage stabilizing module for outputting stable voltage, radio frequency module for realizing wireless communication between keyboard and computer, key lamp module for forming several different lamp effects, TYPE-C interface for connecting computer USB port and key switch module are provided on the circuit board;

[0009] The charging management module is connected with the TYPE-C interface, and the charging management module, the mode conversion switch and the voltage stabilizing module are sequentially connected, and the radio frequency module, the key lamp module and the key switch module are connected with the keyboard control module.

[0010] Preferably, the inside of the upper cover is further provided with a positioning plate and a mounting plate, and the positioning plate is located below the mounting plate.

[0011] Preferably, a contact key seat is arranged below the positioning plate, through holes are formed in the positioning plate and the mounting plate, a key shaft is arranged in the through hole, and the contact key seat is arranged correspondingly with the key shaft.

[0012] Preferably, two mounting grooves are arranged at the bottom distal end of the lower cover, a diagonal support leg for adjusting the inclination angle of the keyboard is rotatably arranged in the mounting groove, and a plurality of anti-skid pads are arranged in matrix at the bottom of the lower cover.

[0013] Preferably, the keyboard control module communicates with the computer through a USB line, and a program burning interface is further connected to the keyboard control module.

[0014] Preferably, the key lamp module comprises LED lamp groups arranged in parallel, and key electronic switches connected with the LED lamp groups; the key switch module comprises a plurality of electrically connected key switches and switch diodes.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The three-dimensional light effect pattern display mainly irradiates pattern symbols or characters printed on the mirror layer by LED light sources; the three-dimensional effect of the three-dimensional light effect pattern display is the RGB light effect from the LED lamp, and the light effect is controlled by the keyboard MCU or a special LED driving circuit, and the light effect is stable; the three-dimensional light effect pattern changes with the change of the light, and the irradiated pattern also changes with the light effect angle, thereby generating the three-dimensional visual effect of the pattern in the mirror frame; the three-dimensional light effect pattern benefits from the certain distance between the pattern and the light transmission mirror, that is, the visual depth, and the pattern or symbol changes continuously with the change of the light brightness and color. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is an exploded view of the utility model;

[0019] Figure 3 It is a three-dimensional view of the utility model;

[0020] Figure 4 It is a circuit diagram of the keyboard control module of the utility model;

[0021] Figure 5 It is a circuit diagram of the TYPE-C interface of the utility model;

[0022] Figure 6 It is a circuit connection diagram of the charging management module, mode conversion switch and voltage stabilizing module of the utility model;

[0023] Figure 7 It is a circuit diagram of the radio frequency module of the utility model;

[0024] Figure 8 It is a partial circuit schematic diagram of the key lamp module of the utility model;

[0025] Figure 9 It is a partial circuit schematic diagram of the key switch module of the utility model.

[0026] In the drawing: 1, upper cover; 2, lower cover; 3, display window; 4, circuit board; 5, positioning plate; 51, contact key seat; 6, mounting plate; 61, key shaft; 7, key cap; 8, inclined supporting leg; 9, anti-skid pad. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Please refer to Figures 1-9 The utility model provides a kind of technical scheme: a three-dimensional light effect pattern display mode keyboard, including upper cover 1, lower cover 2, key cap 7 installed on upper cover 1, display window 3 for showing three-dimensional light effect pattern in upper cover 1 side edge, the inside of upper cover 1 is equipped with circuit board 4 for controlling three-dimensional light effect pattern light effect change;

[0029] The inside of upper cover 1 is also provided with locating plate 5 and mounting plate 6, locating plate 5 is below mounting plate 6.

[0030] The lower side of locating plate 5 is provided with contact key seat 51, locating plate 5 and mounting plate 6 are provided with through mounting hole, the inside of mounting hole is equipped with key shaft 61, contact key seat 51 is correspondingly arranged with key shaft 61.

[0031] The bottom of lower cover 2 is provided with two installation grooves, the inside of installation groove is rotatably equipped with inclined support leg 8 for adjusting the inclination angle of keyboard, the bottom of lower cover 2 is also provided with a plurality of matrix arranged anti-skid pad 9.

[0032] Key cap 7, contact key seat 51, key shaft 61 are the main structure of keyboard key, and 99 keys are arranged in total, and the present keyboard includes wired connection and wireless connection two connection modes, and the working voltage when wired connection is 5VDC, and the working voltage when wireless connection is 3.7VDC;

[0033] When wired USB connection state, when battery is fully charged, working current is less than 180mA, and when battery is charging, working current is less than 680mA, and when the working state of bluetooth connection, working current is less than 160mA.

[0034] The present keyboard supports 16 theme super cool backlight effect: FN+INS can be cycled to switch light effect: with the flow, shadow, sine light wave, rotating windmill, seven-color waterfall, flower rich, constant mode, breathing mode, dream rainbow, one touch, rain walk, turn off backlight, key ripples, starry night, snow trace, river.

[0035] When adjusting backlight brightness, FN+ up direction key "↑" or FN + down direction key "↓" adjusts backlight brightness, and direction key up and down left and right flashes 3 times, and 5 levels can be adjusted.

[0036] FN +PRTSC switch red, green, blue, yellow, pink, cyan, white, RGB; (follow the wave, as the shadow, sinusoidal light wave, constant light mode, breathing mode, one touch, rain, ripple, starry night, snow, the river never stops).

[0037] FN+(-) key to the side of the light mode switch (light - neon - constant - breathing - off); FN+ (*) (light, neon, breathing state 5 speed cycle switch); adjust to constant or breathing mode, press FN+ ( / ) key can switch the color (red-green-blue-yellow-purple-cyan-white).

[0038] Optionally, the display window 3 can also be set in other positions of the keyboard, and the placement position of the LED lamp changes with the design position of the three-dimensional light effect pattern display window 3. And the power supply of the light source of the three-dimensional light effect pattern display is provided by the USB power supply of the computer, without additional light source power supply.

[0039] The circuit board 4 is provided with a keyboard control module, a charging management module with NTC temperature detection, a mode conversion switch for switching the connection mode of the keyboard, a voltage stabilizing module for outputting stable voltage, a radio frequency module for realizing wireless communication between the keyboard and the computer, a key lamp module for forming a plurality of different light effects, a TYPE-C interface for connecting the USB port of the computer, and a key switch module;

[0040] Charging management module: this circuit detects the temperature in the battery to the 1 pin of chip U3, when the battery temperature rises to 45 degrees, the charging is automatically terminated.

[0041] Voltage stabilizing module: battery 3.7V power supply, through chip U7 voltage stabilizing output 3.0V VDD, to ensure the output of stable voltage of the circuit;

[0042] In addition, the radio frequency module uses the same 2.4G working frequency as Bluetooth, which is switched by the mode conversion switch.

[0043] Key lamp module: MCU output control signal, make LED lamp work according to the set program, can output more than 20 groups of designed program through combination key trigger, that is, can see various light effects composed of keyboard keys.

[0044] Key switch module: pressing any key inside will make MCU output control signal and communicate with computer, which can output the required key signal of global version.

[0045] The charging management module is connected with the TYPE-C interface, the charging management module, the mode conversion switch and the voltage stabilizing module are connected in sequence, and the radio frequency module, the key lamp module and the key switch module are connected with the keyboard control module.

[0046] The keyboard control module communicates with the computer through a USB line, and a program burning interface is further connected to the keyboard control module.

[0047] The key light module comprises LED lamp groups arranged in parallel and key electronic switches connected with the LED lamp groups.

[0048] The keyboard control module comprises a keyboard control chip U1 (MCU), and the program burning interface comprises a terminal block J2, a 2-pin of the terminal block J2 is connected with a 51-pin of the keyboard control chip U1, a 3-pin of the terminal block J2 is connected with a 55-pin of the keyboard control chip U1, a 4-pin of the terminal block J2 is connected with a 56-pin of the keyboard control chip U1, and a 5-pin of the terminal block J2 is connected with a 62-pin of the keyboard control chip U1.

[0049] The charging management module comprises a chip U3, resistors R69 and R70 are connected to the 4-pin and the 8-pin of the chip U3, and the resistors R69 and R70 are connected to the 1-pin of the chip U3; a resistor R4 is connected to the 2-pin of the chip U3, capacitors C4 and C5 arranged in parallel are connected to the 4-pin of the chip U3, and the 4-pin of the chip U3 is connected with a USB+5V voltage; capacitors C39 and a battery BAT arranged in parallel are connected to the 5-pin of the chip U3, a resistor R11 is connected to the 7-pin of the chip U3, and one end of the resistor R11 is connected to the 55-pin of the keyboard control chip U1.

[0050] The mode conversion switch comprises a switch KW1, the 1-pin of the switch KW1 is connected to the 16-pin of the keyboard control chip U1 (realizing 2.4G wireless connection), the 4-pin of the switch KW1 is connected to the 15-pin of the keyboard control chip U1 (realizing Bluetooth connection), and the 5-pin and the 8-pin of the switch KW1 are connected to the 5-pin of the chip U3.

[0051] The voltage stabilizing module comprises a chip U7, the 1-pin of the chip U7 is connected with an inductor L5 and a diode DA3, one end of the inductor L5 is connected to the 7-pin of the switch KW1, and the 4-pin of the chip U7 is connected with a diode D2, and one end of the diode D2 is connected to the 56-pin of the keyboard control chip U1.

[0052] The radio frequency module comprises a connected chip U2 and a terminal block J3, the 5-pin of the chip U2 is sequentially connected with an inductor L3 and an inductor L1, the two ends of the inductor L1 are respectively connected with a grounded capacitor C10 and a capacitor C20, the 7-pin and the 8-pin of the chip U2 are connected with a crystal oscillator Y3, the two ends of the crystal oscillator Y3 are connected with a capacitor C21 and a capacitor C14 in series, and the 11-pin and the 12-pin of the chip U2 are connected with a capacitor C22 and a diode DZ1 arranged in parallel.

[0053] The key electronic switch in the key lamp module comprises a plurality of MOS tubes arranged in parallel, the S pole of the MOS tube is connected with the light emitting diode in the LED lamp set, the G pole of the MOS tube is connected with a resistor, and the resistor is connected on the keyboard control chip U1.

[0054] A mode indicating lamp LED 105 is further arranged on the keyboard, the LED 105 is respectively connected with a resistor R60, a resistor R62 and a resistor R63, the resistor R60 is connected on the 44 pin of the keyboard control chip U1, the resistor R62 is connected on the 45 pin of the keyboard control chip U1, and the resistor R63 is connected on the 46 pin of the keyboard control chip U1.

[0055] A function indicating lamp is further arranged on the keyboard, the function indicating lamp comprises three light emitting diodes respectively used for indicating NUM, CAP and SCR, and the three light emitting diodes are all connected on the keyboard control chip U1.

[0056] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A keyboard of three-dimensional light effect pattern display mode, characterized in that: The application relates to a three-dimensional light effect keyboard, which comprises an upper cover (1), a lower cover (2), a key cap (7) mounted on the upper cover (1), a display window (3) for displaying a three-dimensional light effect pattern arranged at the side of the upper cover (1), and a circuit board (4) for controlling the light effect change of the three-dimensional light effect pattern arranged in the interior of the upper cover (1). A keyboard control module, a charging management module with NTC temperature detection, a mode conversion switch for switching the keyboard connection mode, a voltage stabilizing module for outputting a stable voltage, a radio frequency module for realizing wireless communication between the keyboard and a computer, a key lamp module for forming a plurality of different light effects, a TYPE-C interface for connecting a computer USB port and a key switch module are arranged on the circuit board (4). The charging management module is connected with the TYPE-C interface, the charging management module, the mode conversion switch and the voltage stabilizing module are sequentially connected, and the radio frequency module, the key lamp module and the key switch module are connected with the keyboard control module.

2. The keyboard of claim 1, wherein: A positioning plate (5) and a mounting plate (6) are further arranged in the interior of the upper cover (1), and the positioning plate (5) is arranged below the mounting plate (6).

3. The keyboard of claim 2, wherein: the three-dimensional light effect pattern display mode is a mode in which a light effect pattern is displayed in three dimensions on the key top of the key. A contact key seat (51) is arranged below the positioning plate (5), through holes are formed in the positioning plate (5) and the mounting plate (6), a key shaft (61) is arranged in the through hole, and the contact key seat (51) is arranged in correspondence with the key shaft (61).

4. The keyboard of claim 1, wherein: Two mounting grooves are arranged at the bottom of the lower cover (2), a slope supporting leg (8) for adjusting the inclination angle of the keyboard is rotatably arranged in the mounting groove, and a plurality of anti-skid pads (9) are arranged at the bottom of the lower cover (2) in a matrix mode.

5. The keyboard of claim 1, wherein: The keyboard control module communicates with the computer through a USB line, and a program burning interface is further connected to the keyboard control module.

6. The keyboard of claim 1, wherein: The key lamp module comprises a parallelly arranged LED lamp group and a key electronic switch connected with the LED lamp group; and the key switch module comprises a plurality of electrically connected key switches and switch diodes.

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