CN101387871A - Power saving device and method for portable appliance - Google Patents

Abstract

A power saving device of a portable appliance comprises a sensing unit and a control unit; when the portable device is lifted, the sensing unit is in a first sensing state, and the control unit outputs a first control signal to control the portable device to enter a power saving mode, so that the portable device is prevented from damaging components or data stored in the portable device due to collision or vibration when being carried and moved.

Description

Power saving device and method for portable appliance

technical field

The invention relates to a power saving device for electrical appliances, in particular to a power saving device and method for portable appliances.

Background technique

Due to the progress of the information electronics industry, there are many portable appliances, such as portable computers, televisions, and projectors. These portable appliances have different functions respectively, but all have a common feature that is convenient to carry.

There are protection devices for various appliances. For example, Taiwan Patent No. M241931 discloses a safety alarm device for an electric heater, which is used to connect the alarm unit between the electric heater and the power input of the electric heater; the alarm unit includes: An alarm board has an output end connected to the input end of the power supply and the other end is connected to the input end of the electric heater; a switch is connected in parallel with the above-mentioned alarm board; when the electric heater is not dumped, the power flows directly through The switch is also input inside the electric heater. When the electric heater is dumped, the switch is in an open state, and the power flows directly through the alarm board, prompting the alarm board to generate a warning sound to inform the user.

Another Chinese Taiwan Patent Publication No. M296451 discloses a protection system for a storage device, which at least includes: an acceleration sensing unit, which senses the acceleration of the storage device to generate a sensing result; and a control unit, according to the The sensing result is used to control the read-write component of the storage device to return to an initial position.

Contents of the invention

In order to prevent the internal components of the portable appliance, such as the hard disk, from being damaged due to inadvertent collision or vibration when it is being carried and moved, and to enable the portable appliance to enter a power-saving mode to save power when it is lifted, the present invention is proposed.

The main purpose of the present invention is to provide a power saving device and method for a portable appliance, which automatically enters the power saving mode when the portable appliance is lifted.

Another object of the present invention is to provide a power saving device and method for a portable appliance, which can avoid damage to components or data stored in the portable appliance due to collision or vibration when it is carried.

The power saving device of the portable appliance of the present invention is installed on the portable appliance, and the power saving device includes:

A sensing unit is used for presenting a first sensing state when sensing that the portable appliance is lifted, and presenting a second sensing state when the portable appliance is in a resting state;

A control unit, electrically connected to the sensing unit, for detecting the sensing state presented by the sensing unit, and outputting a control signal corresponding to the sensing state;

Wherein, when the sensing unit exhibits the first sensing state, the control unit correspondingly outputs a first control signal to control the portable appliance to enter the power saving mode; when the sensing unit exhibits the second sensing state, The control unit correspondingly outputs a second control signal to control the portable appliance to enter the normal operation mode.

The power saving method of the portable appliance of the present invention, wherein the portable appliance is equipped with a power saving device with sensing and control functions to execute the power saving method, the power saving method includes the following steps:

sensing whether the portable appliance is in a rest state or a lifted state;

Controlling the portable appliance to enter a normal operation mode when it is in a resting state; controlling the portable appliance to enter a power saving mode when it is lifted.

For other purposes and effects of the present invention, please refer to the accompanying drawings and embodiments, which are described in detail as follows.

Description of drawings

Fig. 1 is a schematic block diagram of the functional structure of the device of the present invention.

FIG. 2 is a schematic diagram of the first embodiment of the sensing unit of the present invention in a first state.

FIG. 3 is a schematic diagram of the first embodiment of the sensing unit of the present invention in a second state.

FIG. 4 is a schematic diagram of the second embodiment of the sensing unit of the present invention in the first state.

FIG. 5 is a schematic diagram of the second embodiment of the sensing unit of the present invention in a second state.

Figure 6 is a flowchart of a method for implementing the present invention.

Description of main component symbols:

1 portable appliance 10 power saving device

11 Sensing unit 111 First touch sensing switch

112 The second touch sensor switch 113 The first optical coupling component

114 Second optical coupling component 12 Control unit

13 power supply 14 power controller

15 Storage Units 16 Displays

17, 181 bottom 18 handle

21 shelter

(1), (2), (3), (31), and (32) are symbols representing each step

Detailed ways

Please refer to Figure 1. An embodiment of the power saving device for a portable appliance of the present invention is a power saving device 10 comprising a sensing unit 11 , a control unit 12 , a power source 13 and a power controller 14 . The power saving device 10 is installed in the portable appliance 1 ; the power supply 13 can also be the power supply of the portable appliance 1 , providing the power required by the internal components of the portable appliance 1 . The sensing unit 11 is used to sense whether the portable appliance 1 is lifted. When the portable appliance 1 is in the lifted state, it will show a first sensing state, and when the portable appliance 1 is in a stationary state, it will show a second sensing state. The control unit 12 is used for continuously detecting whether the sensing unit 11 is in the first sensing state or in the second sensing state.

When the sensing unit 11 presents the first sensing state, the control unit 12 correspondingly outputs the first control signal to control the portable appliance 1 to enter the state of the power saving mode, for example, to place the read/write head of the hard disk inside the storage unit 15 in a safe state. The parking area (Park) prevents the portable appliance 1 from damaging the storage unit 15 due to collision or vibration during carrying, or damages the data stored in the storage unit 15, and further stops outputting power to the storage unit 15 by the power controller 14; or Make its storage unit 15, display 16 and other components enter the state of power saving mode, so as to achieve the effect of power saving; or make the power controller 14 stop outputting power to storage unit 15, display 16 and other components, and turn off the unnecessary power supply of each component , to save power.

When the sensing unit 11 presents the second sensing state, the control unit 12 correspondingly outputs a second control signal to control the portable appliance 1 to enter the normal operation mode, such as making the storage unit 15, the display 16 and other components enter the state of the normal operation mode , or enable the power controller 15 to normally output power to components such as the storage unit 15 and the display 16, so as to maintain the normal operation status of each component.

Please refer to Figures 2 and 3. The first embodiment of the sensing unit of the present invention is a first touch sensor switch (SensorSwitch) 111 and/or a second touch sensor switch 112 . The first touch sensing switch 111 is installed on the bottom 17 of the portable appliance 1 ; the second touch sensing switch 112 is installed on the bottom 181 of the handle 18 of the portable appliance 1 . When the portable appliance 1 is lifted, the first touch sensing switch 111 is in the first sensing state because it is not compressed, as shown in FIG. 2 . When the portable appliance 1 is placed on the desktop 21 , the first touch sensing switch 111 is compressed due to touching the desktop 21 , as shown in FIG. 3 , and presents a second sensing state. Or when the user's hand grasps the second touch-type sensing switch 112 at the bottom 181 of the handle 18 to lift the portable appliance 1, the second touch-type sensing switch 112 will appear due to being pressed by the user's hand. The first sensing state: when the portable appliance 1 is not lifted by the user's hand, that is, the second touch sensing switch 112 is in the second sensing state because it is not touched.

See Figures 4 and 5. The second embodiment of the sensing unit of the present invention uses the first optical coupling component 113 and the second optical coupling component 114 to replace the first touch sensing switch 111 and the second touch sensing switch 111 shown in FIGS. Sense switch 112 . The first light coupling component 113 is used to sense the distance between itself and a shelter 21 , for example, the first light coupling component 113 is used to sense the distance between itself and the table. If the portable appliance 1 is lifted and the distance between the first optical coupling component 113 and the shield 21 exceeds the distance within a predetermined range, as shown in FIG. 4 , the first optical coupling component 111 presents the first sensing state; if When the portable appliance 1 is placed on the desktop, and the distance between the first optical coupling component 113 and the shield 21 is within a predetermined range, as shown in FIG. 5 , the first optical coupling component 111 presents the second sensing state. . Or utilize the second optical coupling assembly 114 to sense the distance between itself and a shield 21, for example, utilize the second optical coupling assembly 114 to sense the distance between itself and the user's hand; if the portable appliance 1 is lifted, the second light When the distance between the coupling assembly 114 and the user's hand is within a predetermined range, the second optical coupling assembly 114 presents the first sensing state; if the portable appliance 1 is not lifted, the second optical coupling assembly 114 does not sense When the object is closed, the second sensing state is presented.

Please refer to Figures 1 and 6. An embodiment of the power saving method for a portable appliance of the present invention is that a portable appliance 1 is equipped with a power saving device 10 with sensing and control functions to execute the power saving method. The power saving method includes the following steps:

Step 1: the sensing unit 11 of the power saving device 10 automatically detects whether the portable appliance 1 is in a static state or a lifted state; when the portable appliance 1 is lifted, the sensing unit 11 presents the first sensing state; otherwise , when the portable appliance 1 is in a resting state, the sensing unit 11 presents a second sensing state;

Step 2: The control unit 12 of the power saving device 10 continuously detects the sensing unit 11, and outputs a corresponding control signal according to the sensing state presented by the sensing unit 11;

Step 3: (31) When the sensing unit 11 presents the first sensing state, the control unit 12 outputs a first control signal to control the portable appliance 1 to enter the power saving mode; or

(32) When the sensing unit 11 is in the second sensing state, the control unit 12 outputs a second control signal to control the portable appliance 1 to enter the normal operation mode.

The embodiment of the sensing unit 11 described in the above method embodiment of the present invention, the embodiment of the portable appliance 1 in the power saving mode and the embodiment in the normal working mode are all as described in the above device embodiment of the present invention ,No longer.

The power-saving device and method of the portable appliance of the present invention enable the portable appliance to automatically enter the power-saving mode when it is lifted, which can prevent its components from being damaged due to collision or vibration when the portable appliance is moved, or damage its stored data. And make the portable appliance enter the power saving mode when being carried and moved to save power.

The above description is only an embodiment utilizing the technical content of the present invention. Any modifications and changes made by those skilled in the art using the present invention all belong to the scope of patents claimed by the claims of the present invention, and are not limited to those disclosed in the embodiments. content.

Claims (22)

1. A power saving device for a portable appliance, the power saving device is mounted on the portable appliance, the power saving device comprising: a sensing unit, configured to exhibit a first sensing state when sensing that the portable appliance is lifted, and exhibit a second sensing state when the portable appliance is in a resting state; A control unit, electrically connected to the sensing unit, for detecting the sensing state presented by the sensing unit, and outputting a control signal corresponding to the sensing state; Wherein, when the sensing unit presents the first sensing state, the control unit outputs a first control signal to control the portable appliance to enter the power saving mode; when the sensing unit presents the second sensing state , the control unit outputs a second control signal to control the portable appliance to enter the normal operation mode. 2. The power saving device of a portable appliance as claimed in claim 1, wherein the sensing unit is a first touch-type sensing switch; the first touch-type sensing switch is installed on the portable appliance When the first touch-type sensing switch is not pressed, it presents the first sensing state; when the first touch-type sensing switch is pressed, it presents the second sensing state. 3. The power saving device of a portable appliance as claimed in claim 1, wherein the sensing unit is a second touch-type sensing switch; the second touch-type sensing switch is installed on the portable appliance a handle; when the second touch-type sensing switch is pressed, it presents the first sensing state; when the second touch-type sensing switch is not touched, it presents the second sensing state. 4. The power saving device of a portable appliance as claimed in claim 1, wherein said sensing unit is a first optical coupling component; said first optical coupling component is installed on the bottom of said portable appliance; said first An optical coupling component is used to sense the distance between the first optical coupling component itself and a shield, and if the distance exceeds a predetermined range, the first optical coupling component will display the first sensing state; if the distance is within a predetermined range, the first optical coupling component presents a second sensing state. 5. The power saving device of a portable appliance as claimed in claim 1, wherein the sensing unit is a second optical coupling component; the second optical coupling component is installed on a handle of the portable appliance; the The second optical coupling component is used to sense the distance between the second optical coupling component itself and a shield, and if the distance is within a predetermined range, the second optical coupling component is in a first sensing state ; if the distance exceeds a predetermined range, the second optical coupling component is in a second sensing state. 6. The power saving device for a portable appliance as claimed in claim 1, wherein the portable appliance further comprises a power controller; the first control signal further controls the power controller to stop outputting power. 7. The power saving device of a portable appliance as claimed in claim 1, wherein the portable appliance further comprises a storage unit, and the first control signal further controls a read/write head of a hard disk inside the storage unit to be placed in a safe stop. bit area. 8. The power saving device for a portable appliance as claimed in claim 1, wherein the portable appliance further comprises a display unit; the first control signal further controls the display unit to enter a power saving mode. 9. The power saving device of a portable appliance as claimed in claim 6, wherein said portable appliance further comprises a storage unit; said first control signal controls a read/write head of a hard disk inside said storage unit to be placed in a safe parking position After the zone, the first control signal further controls the power controller to stop outputting power to the storage unit. 10. The power saving device for a portable appliance as claimed in claim 6, wherein the portable appliance further comprises a display unit; the first control signal controls the power controller to stop outputting power to the display unit. 11. A power saving method for a portable appliance, wherein the portable appliance is equipped with a power saving device with sensing and control functions to perform the power saving method, the power saving method comprises the following steps: sensing whether the portable appliance is in a rest state or a lifted state; Controlling the portable appliance to enter a normal operation mode when it is in a resting state; controlling the portable appliance to enter a power saving mode when it is lifted. 12. The power saving method of a portable appliance according to claim 11, wherein said power saving device uses a sensing unit to sense said portable appliance; when said portable appliance is lifted, said sensing unit presents A first sensing state; when the portable appliance is in a resting state, the sensing unit exhibits a second sensing state. 13. The power saving method of a portable appliance as claimed in claim 12, wherein said power saving device uses a control unit to control said portable appliance; when said sensing unit presents a first sensing state, said control unit That is, the first control signal is output to control the portable appliance to enter the power saving mode; when the sensing unit presents the second sensing state, the control unit outputs a second control signal to control the portable appliance to enter the normal state operating mode. 14. The power saving method of a portable appliance as claimed in claim 13, wherein the sensing unit is a first touch-type sensing switch; the first touch-type sensing switch is installed on the portable appliance When the first touch-type sensing switch is not pressed, it presents the first sensing state; when the first touch-type sensing switch is pressed, it presents the second sensing state. 15. The power saving method of a portable appliance as claimed in claim 13, wherein the sensing unit is a second touch-type sensing switch; the second touch-type sensing switch is installed on the portable appliance a handle; when the second touch-type sensing switch is pressed, it presents the first sensing state; when the second touch-type sensing switch is not touched, it presents the second sensing state. 16. The power saving method of a portable appliance as claimed in claim 13, wherein said sensing unit is a first optical coupling component; said first optical coupling component is installed at the bottom of said portable appliance; said first An optical coupling component is used to sense the distance between the first optical coupling component itself and a shield, and if the distance exceeds a predetermined range, the first optical coupling component will display the first sensing state; if the distance is within a predetermined range, the first optical coupling component presents a second sensing state. 17. The power saving method of a portable appliance as claimed in claim 13, wherein said sensing unit is a second optical coupling component; said second optical coupling component is mounted on a handle of said portable appliance; said The second optical coupling component is used to sense the distance between the second optical coupling component itself and a shield, and if the distance is within a predetermined range, the second optical coupling component is in a first sensing state ; if the distance exceeds a predetermined range, the second optical coupling component is in a second sensing state. 18. The power saving method of a portable appliance as claimed in claim 13, wherein said portable appliance further comprises a power controller; said first control signal further controls said power controller to stop outputting power. 19. The power saving method of a portable appliance as claimed in claim 13, wherein the portable appliance further comprises a storage unit, and the first control signal further controls a read/write head of a hard disk inside the storage unit to be placed in a safe stop. bit area. 20. The power saving method for a portable appliance as claimed in claim 13, wherein said portable appliance further comprises a display unit; said first control signal further controls said display unit to enter a power saving mode. 21. The power saving method of a portable appliance as claimed in claim 18, wherein said portable appliance further comprises a storage unit; said first control signal controls a read-write head of a hard disk inside said storage unit to be placed in a safe parking position After the zone, the first control signal further controls the power controller to stop outputting power to the storage unit. 22. The power saving method for a portable appliance as claimed in claim 18, wherein said portable appliance further comprises a display unit; said first control signal controls said power controller to stop outputting power to said display unit.

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