CN104007988A - Computer startup and shutdown method and computer - Google Patents

Abstract

The invention discloses a method for switching on and off a computer. In the shutdown state, a pressing command of a keyboard is detected, and when at least two predetermined keys are detected to be pressed simultaneously, a startup operation is performed. Also provided is a computer, including a keyboard; a monitoring module, used to detect the pressing command of the keyboard in the shutdown state; a running module, connected to the boot circuit, used to receive the keyboard from the monitoring module A detection command, when at least two predetermined keys are simultaneously pressed, sends a power-on command to the power-on module; the power-on module is used to perform a power-on operation. The invention solves the problems of the prior art, and provides a computer switching method and a computer with low cost and large layout space.

Description

Computer switch method and computer

technical field

The invention relates to a method for turning on and off a computer, in particular to a method for turning off a computer. ``

Background technique

Since the current notebook computer cannot perform any operations during the shutdown process, the computer needs to be pressed by the user to wake up the computer. The boot process is generally like this: when the power button is pressed, a static 5V voltage is sent to the south bridge to provide working conditions for the boot circuit in the south bridge. The boot circuit in the south bridge will start to work and send a voltage to the crystal , the crystal starts to oscillate, generates oscillations, and sends out waveforms. At the same time, the power-on circuit will send a power-on voltage to one pin of the power-on pin cap of the motherboard, and the other pin of the pin cap is grounded. When the power-on switch is turned on, the two pins of the power-on needle cap are connected, so that the power-on voltage sent by the south bridge is short-circuited to the ground, and the power-on voltage sent by the south bridge is pulled down, so that the power-on circuit in the south bridge is turned on, and the static power is pulled down. 5V voltage, making it 0 potential. Make the power supply start to work, so as to achieve the purpose of starting up, and give the control right of the system to the hard disk to boot into the operating system. the

Using a separate button to start the machine in the prior art has the following disadvantages:

1. The separate production of the power-on button and the corresponding electronic components and circuits lead to an increase in cost;

2. It is necessary to reserve the position of the power-on button on the computer. With the trend of computers becoming thinner and lighter, the layout space of the computer is reduced.

Contents of the invention

In order to overcome the deficiencies in the prior art, the object of the present invention is to provide a computer switching method and computer with low cost and large layout space. the

In order to achieve the above object, the present invention provides a method for turning on and off the computer. In the shutdown state, the pressing command of the keyboard is detected, and when at least two predetermined keys are detected to be pressed simultaneously, the power-on operation is performed. the

A further improvement of the present invention is that, in the power-on state, the pressing command of the keyboard is detected, and when at least two predetermined keys are detected to be pressed simultaneously for more than a predetermined time T1, the power-off operation is performed. the

A further improvement of the present invention is that, in the power-on state, the pressing command of the keyboard is detected, and when at least two predetermined keys are detected to be pressed simultaneously for more than a predetermined time T2, the sleep operation is executed. the

A further improvement of the present invention lies in that the predetermined key is pre-defined by the user. the

The present invention also provides a computer, including

keyboard;

The monitoring module is used to detect the pressing command of the keyboard in the shutdown state;

The running module is used to receive the keyboard detection instruction sent by the monitoring module, and execute the power-on operation when at least two predetermined keys are pressed simultaneously.

A further improvement of the present invention is that the running module is configured to perform a shutdown operation when at least two predetermined keys are detected to be pressed simultaneously for a predetermined time T1 in the power-on state. the

A further improvement of the present invention is that the running module is configured to perform a sleep operation when at least two predetermined keys are detected to be pressed simultaneously for a predetermined time T2 in the power-on state. the

A further improvement of the present invention is that the running module provides a password definition panel for users to input predefined keys. the

A further improvement of the present invention lies in that there is a power symbol between at least two predetermined keys on the keyboard. the

The beneficial effects of the present invention are: 1, reduce cost, use the existing keyboard in the prior art to replace the start button; It is thinner and more compact; 3. Use more than two buttons at the same time to start the machine, preventing misuse. the

Description of drawings

Accompanying drawing 1 is the schematic diagram according to embodiment one of computer switching machine method embodiment one of the present invention;

Accompanying drawing 2 is a kind of judgment flowchart schematic diagram in the computer switch machine method according to the present invention;

Accompanying drawing 3 is another kind of judgment flowchart schematic diagram in the computer switch machine method according to the present invention;

Accompanying drawing 4 is the schematic diagram of embodiment 2 of the method for turning on and off the computer according to the present invention.

Detailed ways

The preferred embodiments of the present invention are described in detail below, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly. the

A method for turning on and off a computer. In a state of being turned off, a pressing command of a keyboard is detected, and when at least two predetermined keys are detected to be pressed simultaneously, a start-up operation is performed. Of course, a time judging process can also be added. When at least two predetermined buttons are pressed simultaneously for more than a predetermined time, it is judged as a power-on command and the power-on operation is executed. the

In the power-on state, it detects the pressing command of the keyboard, and when it detects that at least two predetermined keys are pressed simultaneously for a predetermined time T1, the power-off operation is performed. In order to prevent misoperations, in the power-on state, the power-off operation is performed only after a predetermined time T1 has elapsed before the press is determined as a power-off command. the

In the power-on state, the keyboard pressing command is detected, and when at least two predetermined keys are detected to be pressed simultaneously for more than a predetermined time T2, the sleep operation is executed. In order to prevent misoperation, in the power-on state, it needs to pass a predetermined time T2 before the press is judged as a sleep instruction, and then the sleep operation is executed. the

In order to prevent misoperations, there must be at least two predetermined cases, preferably two buttons that are not frequently used, which can be predefined by the computer manufacturer. Of course, the predetermined key can also be pre-defined by the user. The user can define a password combination as the power-on password. When the keys as the password combination are pressed simultaneously, it is determined as a power-on command and the power-on operation is executed. the

A computer, including a keyboard;

The monitoring module is used to detect the pressing command of the keyboard in the shutdown state;

The running module is connected with the starting circuit, and is used to receive the keyboard detection instruction sent by the monitoring module, and when at least two predetermined keys are pressed simultaneously, send the starting instruction to the starting module;

The power-on/off module is used for performing a power-on operation.

The running module is used to send a shutdown command to the power-on/off module when it detects that at least two predetermined keys are simultaneously pressed for a predetermined time T1 in the power-on state. In order to prevent misoperation, in the power-on state, it takes a predetermined time T1 for the press to be judged as a power-off command. the

The running module is used to send a sleep command to the power-on/off module when it detects that at least two predetermined keys are pressed simultaneously for a predetermined time T2 in the power-on state. In order to prevent misoperation, in the power-on state, it needs to pass a predetermined time T2 before it is determined as a sleep instruction. the

The running module provides a password definition panel for users to input predefined keys. It is pre-defined by the user, and the user can customize a password combination as the power-on password. When the keys used as the password combination are pressed at the same time, it is determined as a power-on command. the

When the predetermined keys are customized by the computer manufacturer, preferably a power symbol is printed between the predetermined keys on the keyboard to remind the user. the

The working principle of the present invention is described in detail below. the

Embodiment one:

Referring to accompanying drawings 1 to 3, in order to distinguish it from other function keys in the prior art, this embodiment uses a combination of two keys other than the existing combination keys on the keyboard to switch the machine on and off. In this embodiment, the key combination of insert (key A) and delete (key B) is used as the boot combination key. And a power symbol is provided above the two buttons, which is used to remind the user to press the two buttons to realize the purpose of switching on and off. On the other hand, the insert and delete keys are located in the upper right corner of the keyboard, and cannot be accidentally touched during normal use of the keyboard.

In this embodiment, the power button and supporting electronic components are removed, and the switch function of the two keys of the keyboard is used as the switch button. There are four states of the two keys (INSERT and DELETE): 1. Neither INSERT nor DELETE is pressed 2. INSERT is pressed 3. DELETE is pressed 4. Both INSERT and DELETE are pressed. Define the switch button function when both INSERT and DELETE are pressed. the

The monitoring module monitors the common state of these two keys:

1. In the off state, when both INSERT and DELETE are pressed, the operation module recognizes that the user has started the machine, sends a power-on command to the power-on circuit, and the power-on circuit starts to run the power-on program.

2. In the power-on working state, when INSERT and DELETE are pressed separately, they are the respective functions of the keyboard keys INSERT and DELETE. the

3. In the power-on working state, when INSERT and DELETE are pressed simultaneously for a short time (120ms in this embodiment), the running module recognizes that the user wants to execute the sleep mode on the laptop. The running module sends a sleep command to the switch circuit, and the switch circuit runs the sleep program;

In the sleep state, press INSERT and DELETE at the same time to wake up the notebook computer, and the notebook computer will switch back to the normal working state from the sleep state.

4. In the power-on working state, when INSERT and DELETE are pressed for a long time at the same time (3s in this embodiment), the chip recognizes that the user wants to shut down the notebook computer, sends a shutdown command to the power-on/off circuit, and the power-on/off circuit executes a forced shutdown. the

Embodiment two:

The difference between this embodiment and Embodiment 1 is that the Fn (key A) and windows (key B) keys are used as a combination.

In this embodiment, the power button and supporting electronic components are removed, and the switch function of the two keys of the keyboard is used as the switch button. There are four states of the two keys (FN and WINDOWS): 1. Neither FN nor WINDOWS is pressed 2. FN is pressed 3. WINDOWS is pressed 4. Both FN and WINDOWS are pressed. When both the chip FN and WINDOWS are pressed, it is defined as the switch button function. the

The monitoring module monitors the common state of these two keys:

1. In the off state, when both FN and WINDOWS are pressed, the running module recognizes that the user is starting the machine, sends a power-on command to the power-on circuit, and the power-on circuit starts to run the power-on program.

2. In the power-on working state, when FN and WINDOWS are pressed separately, they are the respective functions of the keyboard keys FN and WINDOWS. the

3. In the power-on working state, when FN and WINDOWS are pressed simultaneously for a short time (120ms in this embodiment), the running module recognizes that the user wants to execute the sleep mode on the notebook computer. The running module sends a sleep command to the switch circuit, and the switch circuit runs the sleep program;

In the sleep state, press FN and WINDOWS at the same time to wake up the notebook computer, and the notebook computer will switch back to the normal working state from the sleep state.

4. In the power-on working state, when FN and WINDOWS are pressed for a long time at the same time (3s in this embodiment), the chip recognizes that the user wants to shut down the notebook computer, sends a shutdown command to the power-on/off circuit, and the power-on/off circuit executes a forced shutdown. shutdown. the

After using the combined key mode of the present invention to realize the switch machine, it has the following advantages:

1. Save the cost of a separate power button, circuit, and electronic components;

2. Retain the original functions of the keyboard keys;

3. Prevent misoperation caused by touching a button.

The above embodiments are only to illustrate the technical concept and characteristics of the present invention. All equivalent changes or modifications are within the protection scope of the present invention. the

Claims (9)

1. a computer on-off method, is characterized in that: under off-mode, detect the instruction of pressing of keyboard, when at least two predetermined key being detected and pressed simultaneously, carry out start operation.

2. computer on-off method according to claim 1, is characterized in that: under open state, detect the instruction of pressing of keyboard, when at least two predetermined key being detected, depressed while surpassing a schedule time T1 simultaneously, carry out power-off operation.

3. computer on-off method according to claim 1, is characterized in that: under open state, detect the instruction of pressing of keyboard, when at least two predetermined key being detected, depressed while surpassing a schedule time T2 simultaneously, carry out sleep operation.

4. computer on-off method according to claim 1, is characterized in that: described predetermined key is pre-defined by user.

5. a computer, is characterized in that: comprise

Keyboard;

Monitoring module, under off-mode, detects the instruction of pressing of keyboard;

Operation module, is connected with described boot-strap circuit, and the keyboard detection instruction of sending for receiving described monitoring module, when receiving at least two predetermined key and pressed simultaneously, sends start-up command to starting module;

Starting module, for carrying out start operation.

6. computer according to claim 5, is characterized in that: described operation module, under open state, detects at least two predetermined key and depressed while surpassing a schedule time T1 simultaneously, carries out power-off operation.

7. computer according to claim 5, is characterized in that: described operation module, under open state, detects at least two predetermined key and depressed while surpassing a schedule time T2 simultaneously, carries out sleep operation.

8. computer according to claim 5, is characterized in that: described operation module provides a password definition panel, for supplying user's typing predefine button.

9. computer according to claim 5, is characterized in that: on described keyboard, between at least two predetermined key, have a power supply sign.