CN219496988U

CN219496988U - Notebook computer capable of automatically switching on and off keyboard light source

Info

Publication number: CN219496988U
Application number: CN202320513481.0U
Authority: CN
Inventors: 曹钊
Original assignee: Shenzhen Qingfen Tingxiu Information Technology Co ltd
Current assignee: Shenzhen Qingfen Tingxiu Information Technology Co ltd
Priority date: 2023-03-16
Filing date: 2023-03-16
Publication date: 2023-08-08
Anticipated expiration: 2033-03-16

Abstract

The utility model provides a notebook computer capable of automatically switching on and off a keyboard light source, which comprises a notebook computer body, a rotating shaft and a screen, wherein the rotating shaft is arranged at the edge of the notebook computer body, the notebook computer body is movably connected with the screen through the rotating shaft, and the top surface of the notebook computer body is provided with a groove. The utility model has the advantages that: after the notebook computer is started, the circuit is electrified, if the notebook computer is in a dark state, the resistance of the photoresistor is increased, the triode is conducted, the backlight is automatically turned on, the keyboard is illuminated, the notebook computer is convenient for a user to use, if the notebook computer is in an illumination condition, the resistance of the photoresistor is reduced, the backlight cannot be electrified, and the backlight is extinguished, so that the notebook computer can automatically switch on and off the backlight of the keyboard according to the external environment, the use is more convenient, a user is not required to search for a backlight switch on the keyboard under the dark condition, and the problem in the prior art is solved.

Description

Notebook computer capable of automatically switching on and off keyboard light source

Technical Field

The utility model relates to the technical field of notebook computers, in particular to a notebook computer capable of automatically switching on and off a keyboard light source.

Background

In the use of notebooks, input through a keyboard is indispensable, but when input in a dim environment, the use experience is seriously affected by the unclear physical keyboard.

In the existing products, the backlight keyboard light source can solve the problem, however, the backlight keyboard light source can solve the problem that the keyboard is not clearly seen and the input is affected, but the following problems still exist: when the keyboard is required to be used, the light source function of the backlight keyboard is not just turned on, and the key of the light source of the backlight keyboard on the keyboard is turned on in a dim environment, so that the existing notebook computer structure needs to be improved aiming at the problem.

Disclosure of Invention

The object of the present utility model is to solve at least one of the technical drawbacks.

Therefore, an object of the present utility model is to provide a notebook computer capable of automatically switching on/off a keyboard light source, so as to solve the problems mentioned in the background art and overcome the shortcomings in the prior art.

In order to achieve the above object, an embodiment of an aspect of the present utility model provides a notebook computer capable of automatically switching on and off a keyboard light source, including a notebook computer body, a rotating shaft, and a screen, wherein the rotating shaft is mounted at an edge of the notebook computer body, the notebook computer body is movably connected with the screen through the rotating shaft, a groove is formed in a top surface of the notebook computer body, a keyboard is disposed at an inner side of the groove, and a backlight is disposed below the keyboard;

the top surface of the notebook computer body is provided with a touch pad, the top surface of the notebook computer body is provided with a photoresistor, and a triode and a 10KΩ resistor are integrated in the notebook computer body;

the three pins of the triode 9 are respectively connected with a backlight lamp, a 10KΩ resistor and a photoresistor, and the photoresistor is connected with the 10KΩ resistor in series.

By any of the above schemes, it is preferable that a reserved position of a rotating shaft is provided at the edge of the notebook computer body, and a power button is provided on the notebook computer body.

The technical scheme is adopted: the notebook computer consists of a notebook computer body and a screen, and can be movably connected through a rotating shaft to realize the closing and opening of the notebook computer, wherein the rotating shaft is a damping rotating shaft.

It is preferable in any of the above-described aspects that the screen is composed of a bezel and a screen panel.

It is preferable in any of the above aspects that the backlight is powered by a power supply of a body of the notebook computer, and the touch pad is located at one side of the keyboard.

It is preferable in any of the above aspects that the photoresistor is located on one side of the keyboard.

It is preferable in any of the above-described modes that the model of the transistor is 2N7002.

The technical scheme is adopted: the notebook computer is characterized in that the backlight, the photoresistor, the triode and the 10KΩ resistor are matched, as shown in a circuit diagram in the attached figure 3, after the notebook computer is started, a circuit is electrified, if the notebook computer is in a dark state, the photoresistor is increased in resistance, the triode is conducted, the backlight is automatically opened to illuminate a keyboard, the keyboard is convenient to use, if the notebook computer is in an illumination condition, the photoresistor is reduced in resistance, the backlight cannot be electrified, and at the moment, the backlight is turned off, so that the notebook computer can automatically switch the backlight of the keyboard according to the external environment, the notebook computer is more convenient to use, a user does not need to search for a backlight switch on the keyboard under the dark condition, and the problem in the prior art is solved.

The technical scheme is adopted: the photoresistor is positioned below the front of the turned-over screen, is slightly influenced by the illumination of the screen, and the illumination intensity of the screen does not influence the normal operation of the photoresistor.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

the notebook computer with the automatic keyboard light source switching function is different from the notebook computer in the prior art in that the backlight, the photoresistor, the triode and the 10KΩ resistor are matched, as shown in a circuit diagram in the attached drawing 3, a circuit is electrified after the notebook computer is started, if the notebook computer is in a dark state, the photoresistor resistance value is increased, the triode is conducted, the backlight is automatically turned on, the keyboard is illuminated, the notebook computer is convenient to use, if the notebook computer is in an illumination condition, the photoresistor resistance value is reduced, the backlight cannot be electrified, and the backlight is turned off, so that the notebook computer can automatically switch the backlight of the keyboard according to the external environment, the use is more convenient, a user does not need to search for a backlight switch on the keyboard under the dark condition, and the problem in the prior art is solved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of a first view of the present utility model;

FIG. 2 is a schematic diagram of a second view of the present utility model;

fig. 3 is a circuit diagram of a backlight of the present utility model.

In the figure: the portable notebook computer comprises a 1-notebook computer body, a 2-rotating shaft, a 3-screen, a 4-groove, a 5-keyboard, a 6-backlight, a 7-touch pad, an 8-photoresistor, a 9-triode and a 10-10KΩ resistor.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1-3, the notebook computer capable of automatically switching on and off the keyboard light source comprises a notebook computer body 1, a rotating shaft 2 and a screen 3, wherein the rotating shaft 2 is arranged at the edge of the notebook computer body 1, the notebook computer body 1 is movably connected with the screen 3 through the rotating shaft 2, a groove 4 is formed in the top surface of the notebook computer body 1, a keyboard 5 is arranged on the inner side of the groove 4, and a backlight 6 is arranged below the keyboard 5;

the top surface of the notebook computer body 1 is provided with a touch pad 7, the top surface of the notebook computer body 1 is provided with a photoresistor 8, and a triode 9 and a 10KΩ resistor 10 are integrated in the notebook computer body 1;

three pins of the triode 9 are respectively connected with the backlight lamp 6, the 10KΩ resistor 10 and the photoresistor 8, and the photoresistor 8 is connected with the 10KΩ resistor 10 in series.

Example 1: the edge of the notebook computer body 1 is provided with a reserved position of a rotating shaft 2, and the notebook computer body 1 is provided with a power button. The notebook computer consists of a notebook computer body 1 and a screen 3, and is movably connected through a rotating shaft 2, so that the notebook computer can be opened and closed, wherein the rotating shaft 2 is a damping rotating shaft.

Example 2: the screen 3 is composed of a bezel and a screen panel. The backlight 6 is powered by the power supply of the notebook computer body 1, and the touch panel 7 is located at one side of the keyboard 5.

Example 3: the photoresistor 8 is located on one side of the keyboard 5. The model of transistor 9 is 2N7002. The notebook computer is powered on as shown in a circuit diagram in fig. 3, if the notebook computer is in a dark state, the resistance of the photoresistor 8 is increased, the triode 9 is conducted, the photoresistor 6 is automatically opened, the keyboard 5 is conveniently illuminated, a user can use the notebook computer conveniently, if the notebook computer is in an illumination condition, the resistance of the photoresistor 8 is reduced, the backlight 6 cannot be powered on, and the backlight 6 is turned off at the moment, so that the notebook computer can automatically switch the backlight 6 of the keyboard 5 according to the external environment, the use is more convenient, and the user does not need to search for the backlight 6 switch on the keyboard 5 under the dark condition, thereby solving the problems in the prior art. The photoresistor 8 is located in the lower portion in front of the screen 3 after being turned over, is little influenced by illumination of the screen 3, and the illumination intensity of the screen 3 does not influence normal operation of the photoresistor 8.

The working principle of the utility model is as follows:

s1, a notebook computer consists of a notebook computer body 1 and a screen 3 and is movably connected through a rotating shaft 2, so that the cover of the notebook computer can be closed and opened;

s2, after the notebook computer is started, the circuit is electrified, if the notebook computer is in a dark state, the resistance value of the photoresistor 8 is increased, the triode 9 is turned on, the backlight 6 is automatically turned on to illuminate the keyboard 5, the keyboard is convenient for a user to use, if the notebook computer is in an illumination condition, the resistance value of the photoresistor 8 is reduced, the backlight 6 cannot be electrified, and the backlight 6 is turned off at the moment, so that the notebook computer can automatically switch on and off the backlight 6 of the keyboard 5 according to the external environment.

Compared with the prior art, the utility model has the following beneficial effects compared with the prior art:

the notebook computer with the automatic keyboard light source switching function is different from the notebook computer in the prior art in that through the matching arrangement of the backlight 6, the photoresistor 8, the triode 9 and the 10KΩ resistor 10, as shown in a circuit diagram in the attached figure 3, after the notebook computer is started, a circuit is electrified, if the notebook computer is in a dark state, the photoresistor 8 is increased in resistance value, the triode 9 is conducted, the backlight 6 is automatically opened, the keyboard 5 is conveniently illuminated by a user, if the notebook computer is in an illumination condition, the resistance value of the photoresistor 8 is reduced, the backlight 6 cannot be electrified, and at the moment, the backlight 6 is extinguished, so that the notebook computer can automatically switch the backlight 6 of the keyboard 5 according to the external environment, the use is more convenient, the user is not required to search for the backlight 6 switch on the keyboard 5 under the dark condition, and the problem in the prior art is solved.

Claims

1. The notebook computer capable of automatically switching on and off a keyboard light source comprises a notebook computer body (1), a rotating shaft (2) and a screen (3), wherein the rotating shaft (2) is arranged at the edge of the notebook computer body (1), the notebook computer body (1) is movably connected with the screen (3) through the rotating shaft (2), and the notebook computer is characterized in that a groove (4) is formed in the top surface of the notebook computer body (1), a keyboard (5) is arranged on the inner side of the groove (4), and a backlight (6) is arranged below the keyboard (5);

the top surface of the notebook computer body (1) is provided with a touch pad (7), the top surface of the notebook computer body (1) is provided with a photoresistor (8), and a triode (9) and a 10KΩ resistor (10) are integrated in the notebook computer body (1);

three pins of the triode (9) are respectively connected with the backlight lamp (6), the 10KΩ resistor (10) and the photoresistor (8), and the photoresistor (8) is connected with the 10KΩ resistor (10) in series.

2. A notebook computer for automatically switching on and off a keyboard light source as in claim 1, wherein: reserved positions of the rotating shaft (2) are formed in the edge of the notebook computer body (1), and a power button is arranged on the notebook computer body (1).

3. A notebook computer for automatically switching on and off a keyboard light source as claimed in claim 2, wherein: the screen (3) is composed of a frame and a screen panel.

4. A notebook computer for automatically switching on and off a keyboard light source as in claim 3, wherein: the backlight lamp (6) is powered by a power supply of the notebook computer body (1), and the touch pad (7) is positioned on one side of the keyboard (5).

5. The notebook computer of claim 4, wherein the keyboard light source is automatically turned on and off, and wherein: the photoresistor (8) is located on one side of the keyboard (5).

6. The notebook computer of claim 5, wherein the keyboard light source is automatically turned on and off, and wherein: the model of the triode (9) is 2N7002.