CN103825151A - Universal power strip for automatic conversion from standby state to power off state of electric appliances - Google Patents

Abstract

The present invention provides a universal plug-in strip for automatic power-off and conversion of electrical appliances in standby mode. The universal plug-in strip for automatic power-off and conversion of electrical appliances in standby mode includes a socket module, a controller and a power supply module. The socket module is connected to the controller and detects the energizing current of the socket. Intensity, when the power-on current intensity is not greater than a predetermined value, the socket module starts to count the power-off delay time, and after the power-off delay time exceeds a power-off delay time value, the socket module is turned off under the control of the controller Electricity, the power supply module is externally connected to the L and N lines of the 110V/220V AC power supply, and converts the 110V/220V AC power supply to 5V DC power supply to the controller. The automatic power-off conversion of the electrical appliance in standby is based on the current intensity to judge whether the inserted electrical appliance is in the standby state. The accuracy is extremely high, and supplemented by the redundancy of the current intensity, the standby state judgment is correct.

Description

Electrical standby automatic power-off conversion universal socket

technical field

The invention relates to electrical sockets, in particular to a universal plug strip for automatic power-off conversion of electrical appliances in standby.

Background technique

The standby energy consumption of existing electrical appliances accumulates over time, resulting in serious waste; the polymer lithium-ion batteries of laptops, mobile power supplies, mobile phones and other electrical appliances will swell or even explode after long-term charging, while the existing universal sockets cannot be powered off intelligently; The automatic power-off device that has been invented uses fuzzy judgment methods, such as: using power modules, sensors, etc., which has the disadvantages of not being able to correctly and clearly distinguish whether the electrical appliance is in the standby state, the standby state check is not accurate, and the automatic power-off device is dedicated. In the patent application with the application number CN201310350995.X, the electrical standby automatic switching socket involved uses a power metering chip to detect the output power of the socket, and the electrical standby automatic switching socket cannot overcome the above-mentioned shortcomings. For this reason, we have invented a new universal plug strip for automatic power-off conversion of electrical appliances in standby, which solves the above technical problems.

Contents of the invention

The object of the present invention is to provide a universal plug strip that can provide power for different electrical appliances and realize automatic power-off of each electrical appliance when standby. the

The purpose of the present invention can be achieved through the following technical measures: the electrical appliance is automatically powered off and converted to a universal socket when it is in standby, and the electrical appliance is automatically powered off and converted to a universal socket. , and detect the power-on current intensity of the socket. When the power-on current intensity is not greater than a predetermined value, the socket module starts power-off delay time counting, and after the power-off delay time exceeds a power-off delay time value, the socket module in Power off under the control of the controller, the power supply module is externally connected to the L and N lines of the 110V/220V AC power supply, and converts the 110V/220V AC power supply to 5V DC power supply to the controller.

The purpose of the present invention can also be achieved through the following technical measures:

The universal socket strip for automatic power-off conversion of electrical appliances in standby includes a plurality of socket modules.

The controller records the current i when the electrical appliance is in the standby state, and the predetermined value is i*(1+r%), where r is the redundancy, and the redundancy value r and the power-off delay time value are both passed The socket module is configured and sent to the controller for recording.

The electrical standby automatic power-off conversion universal socket also includes a display module, the display module is connected to the controller and the power module, obtains 5V direct current from the power module, and displays the set power-off delay under the control of the controller The power-off delay time value when the time is set, and the redundancy value when the redundancy is set.

The socket module includes a current detection module, a button module, a relay, and a three-hole socket. The button module includes three buttons: a start key, a set button, and a redundant key. The three-hole socket includes three holes L, E, and N. The current detection module, the button module, and the relay are connected to the controller, and the E and N holes of the three-hole socket are directly connected to the E and N lines of the 110V/220V AC power supply, and the L lines of the 110V/220V AC power supply are sequentially connected to the The current detection module, the relay, and the L hole of the three-hole socket are connected in series. The current detection module detects the current intensity I of the three-hole socket and transmits it to the controller. Timing of electrical delay time and timing reset to zero.

When the energized current intensity detected by the current detection module received by the controller is less than or equal to i*(1+r%) of the socket module, the controller sends a timing signal to the relay of the socket module, and the relay Start power-off delay time timing, when the relay timing exceeds the power-off delay time value t, the controller controls the relay to power off the three-hole socket of the socket module, when the current detected by the current detection module If the current intensity is greater than i*(1+r%), the controller sends a timing stop signal to the relay of the socket module, and the power-off delay time of the relay is reset to zero, and the controller controls the relay to the relay of the socket module The three-hole socket is powered.

The start key of the button module is used to reset the delay time timing to zero, and the three-hole socket is directly powered on, the start key sends a timing reset signal to the controller, and the controller sends a timing stop signal to the A relay, the power-off delay time of the relay is reset to zero, and the controller controls the relay to energize the three-hole socket of the socket module.

The redundancy key of the button module is responsible for setting the redundancy value r of the current intensity of the three-hole socket in the standby state of the electrical appliance, and sending the redundancy value r to the controller for recording, and at the same time The controller sends the redundancy value r to the display module for display, and the display module is a 2-digit digital tube. Whenever the redundancy key is pressed, the redundancy value r increases by 1 until After increasing to the maximum value of 99, it becomes 0 and loops.

The setting key of the key module is used to set the current i when the electrical appliance is in the standby state. When the electrical appliance inserted into the three-hole socket is in the standby state, the setting key of the key module is pressed, and the current i What the detection module detects at this time is the current i when the plugged-in electrical appliance is in a standby state, and transmits the current i to the controller, and the controller will record the current i.

The setting key of the button module is also used to set the power-off delay time value t of the three-hole socket in the electrical standby state, and transmit the power-off delay time value t to the controller for recording At the same time, the controller sends the power-off delay time value t to the display module for display. The display module is a 2-digit digital tube. Set key, the power-off delay time value t will be increased by 1 minute until it reaches the maximum value of 99 minutes and then becomes 0 minutes, and the cycle is performed. If the power-off delay time value t is set to 0 minutes, the three holes The outlet will always be powered on.

In the present invention, the electric appliance standby automatic power-off conversion universal plug-in strip has a group of three-hole sockets. No matter what kind of electric appliances are inserted into each three-hole socket, the plug-in strip can be divided into sockets to realize the standby automatic power-off of the inserted electric appliances, which can be respectively Set the power-off delay time of each socket module, and respectively set the redundancy of the standby current intensity of each socket. The sub-socket module realizes the automatic power-off of the respective plugged-in electrical appliances; it uses the current intensity as the basis for judging whether the plugged-in electrical appliances are in the standby state, with high accuracy, and supplemented by the redundancy of the current intensity, the standby state judgment is correct . the

the

Description of drawings

Fig. 1 is a structural diagram of a specific embodiment of the electric appliance standby automatic power-off conversion universal plug-in strip of the present invention;

FIG. 2 is a structural diagram of a specific embodiment of the socket module in FIG. 1 .

Detailed ways

In order to make the above and other objects, features and advantages of the present invention more comprehensible, preferred embodiments are listed below and described in detail in conjunction with the accompanying drawings.

As shown in FIG. 1 , FIG. 1 is a structural diagram of a universal plug strip for automatic power-off conversion of electrical appliances in standby mode according to the present invention. The electrical appliance standby automatic power-off conversion universal plug-in strip is composed of a plurality of socket modules 10 , a controller 11 , a display module 12 and a power supply module 13 . The 110V/220V AC power supply including L (fire wire), E (ground wire) and N (neutral wire) three wires is the external power supply of the universal plug strip; the power module 13 is externally connected to the L and N wires of the 110V/220V AC power supply , and convert the 110V/220V AC power into 5V DC to supply power to the controller 11 and the display module 12 .

The display module 12 is connected to the controller 11 and the power supply module 13, and under the control of the controller 11, displays the power-off delay time value when the power-off delay time is set, and the redundancy value when the redundancy level is set. In one embodiment, the display module 12 is a 2-digit digital tube.

The socket module 10 is connected to the controller 11, and detects the power-on current intensity of the socket. When the power-on current intensity is not greater than a predetermined value, the socket module 10 starts power-off delay time counting, and after the power-off delay time exceeds a predetermined time, , the socket module 10 is powered off under the control of the controller 11 . In one embodiment, the controller 11 records the current i when the electrical appliance is in the standby state, and the predetermined value is i*(1+r%), where r is the redundancy, and the redundancy r and the predetermined time, All are set through the socket module 10 and sent to the controller 11 for recording. Whenever the current current intensity is greater than i*(1+r%), the controller 11 sends a timing stop signal to the socket module 10, and the power-off delay time of the socket module 10 is reset to zero.

As shown in FIG. 2 , FIG. 2 is a structural diagram of a specific embodiment of the socket module in FIG. 1 . Each of the socket modules includes a current detection module 20 , a key module 22 , a relay 21 and a three-hole socket 23 , and the key module 22 includes three keys of a start key, a setting key and a redundant key. The three-hole socket 23 includes three holes L, E, and N. The current detection module 20 , key module 22 and relay 21 are connected to the controller 11 . The E and N holes of the three-hole socket 23 are directly connected to the E and N lines of the 110V/220V AC power supply, and the L line of the 110V/220V AC power supply sequentially connects the current detection module 20, the relay 21 and the three-hole socket 23 The L holes are connected in series.

The current detection module 20 detects the current intensity I of the three-hole socket 23 and transmits it to the controller 11 . When the electrical appliance plugged into the three-hole socket 23 is in the standby state, the setting key of the key module 22 is pressed, and the current detection module 20 transmits the current intensity of the current to the controller 11 . In one embodiment, what the current detection module 20 detects at this time is the current i when the electrical appliance is in the standby state, and transmits the current i to the controller 11, and the controller 11 will record the current i at this time The current intensity i detected by the detection module 20 .

The setting key of the button module 22 is simultaneously used to set the power-off delay time t minutes of the three-hole socket 23 in the electrical standby state, and transmit the power-off delay time t to the controller 11 for recording , and at the same time, the controller 11 sends t to the display module 12 for display. In one embodiment, when the electrical appliance plugged into the three-hole socket 23 is in the standby state, the power-off delay time t is increased by 1 minute every time the set button is pressed, until it reaches a maximum value of 99 minutes and then becomes 0 minutes. So cycle. If the power-off delay time t is set to 0 minutes, then the three-hole socket 23 will always be in the power-on state.

The redundancy key of the key module 22 is responsible for setting the redundancy r of the current intensity of the three-hole socket 23 in the standby state of the electrical appliance, and transmits the redundancy r to the controller 11 for recording, while the The controller 11 sends r to the display module 12 for display. Whenever the redundancy key is pressed, the redundancy r increases by 1 until it reaches the maximum value of 99 and becomes 0, and so on.

Each socket module has its own i, r and t values, which are all stored in the controller 11 . When the setting key of a certain socket module is pressed, the display module 12 displays the t value of the socket module; when the redundancy key of a certain socket module is pressed, the display module 12 displays the r value of the socket module.

The relay 21 performs timing and timing reset of the power-off delay time of the electrical appliance in the standby state. In one embodiment, when the controller 11 receives that the current intensity detected by the current detection module 20 of a certain socket module is less than or equal to i*(1+r%) of the socket module, the controller 11 sends a timing signal to The relay 21 of the socket module, the relay 21 starts power-off delay time timing, when the relay 21 counts beyond its power-off delay time t, the controller 11 controls the relay 21 to the three-hole socket 23 of the socket module power off. Whenever as long as the current current intensity detected by the current detection module 20 is greater than i*(1+r%), the controller 11 sends a timing stop signal to the relay 21 of the socket module, and the power-off delay time timing of the relay 21 returns to zero, the controller 11 controls the relay 21 to energize the three-hole socket 23 of the socket module.

The start key of the button module 22 is used to reset the delay time to zero, and the three-hole socket 23 is directly connected to the power supply. In one embodiment, the start key sends a timing reset signal to the controller 11, and the controller 11 sends a timing stop signal to the relay 21, and the power-off delay time timing of the relay 21 is reset to zero, and the controller 11 controls the relay 21 power on the three hole socket 23 of this socket module.

The processing flow of the present invention for automatic power-off conversion of electrical appliances in standby mode is as follows: After the plug-in strip is connected to an external 110V/220V AC power supply, the power-off delay time and current intensity redundancy of each socket module are set respectively, so that each socket module can be realized. The electrical appliances plugged into the socket module are automatically powered off after a delay in the standby state.

To set the power-off delay time and current intensity redundancy of a certain socket module: first, insert the electrical appliance into the three-hole socket of the socket module, and when the plugged-in electrical appliance is in the standby state, press the setting key of the socket module to set the socket module power-off delay time. Pressing the Redundancy key at any time sets the amperage redundancy for that socket module.

Answers to frequently asked questions in the use of this universal plug strip: ① If the electrical appliance plugged into a certain socket module is replaced, the power-off delay time and current intensity redundancy of the socket module need to be reset. ②In the process of use, if a socket module is found to be plugged into an electrical appliance, and after the power-off delay time and current intensity redundancy have been set, if the three-hole socket of the module fails to realize the delayed power-off when the appliance is in standby state, Then first consider increasing the value of the current intensity redundancy; if the current intensity redundancy has reached the maximum value, and the three-hole socket of the module still fails to realize the delayed power-off when the electrical appliance is in the standby state, it is necessary to reset the socket Module power-off delay time and amperage redundancy. ③When a socket module has been plugged into an electrical appliance during use, and the power-off delay time and current intensity redundancy have been set, if it is found that the socket is powered off when the electrical appliance is not in a standby state, first consider reducing the current intensity The value of redundancy; if the current intensity redundancy has reached the minimum value, and the three-hole socket of the module still has electrical appliances in the non-standby state, the socket is powered off, and the power-off delay time of the socket module needs to be reset and amperage redundancy.

The undescribed technical features of the present invention can be realized by or using the prior art, and will not be repeated here. Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Those of ordinary skill in the art Changes, modifications, additions or substitutions made within the essential scope of the present invention shall also belong to the protection scope of the present invention.

Claims (10)

1. electric appliance standby auto-breaking is changed general insert row, it is characterized in that, this electric appliance standby auto-breaking is changed general insert row and is comprised jack module, controller and power module, this jack module is connected in this controller, and the electrical current intensity of test socket, in the time that electrical current intensity is not more than a predetermined value, this jack module starts the timing of power-off delay time, and exceed after a power-off delay time value in the timing of power-off delay time, the power-off under the control of this controller of this jack module, the L of the external 110V/220V AC power of this power module, N line, and transfer 110V/220V AC power to 5V direct current, give this controller power supply.

2. electric appliance standby auto-breaking according to claim 1 is changed general insert row, it is characterized in that, this electric appliance standby auto-breaking is changed general insert row and comprised multiple these jack modules.

3. electric appliance standby auto-breaking according to claim 1 is changed general insert row, it is characterized in that, this controller records the current i of electrical equipment in the time of holding state, this predetermined value is i* (1+r%), wherein, r is redundancy, this redundancy value r and this power-off delay time value, all set by this jack module, and send this controller to and carry out record.

4. electric appliance standby auto-breaking according to claim 3 is changed general insert row, it is characterized in that, this electric appliance standby auto-breaking is changed general insert row and is also comprised display module, this display module is connected in this controller and this power module, obtain 5V direct current from this power module, and under the control of this controller this power-off delay time value when display setting power-off delay time, and this redundancy value while setting redundancy.

5. electric appliance standby auto-breaking according to claim 4 is changed general insert row, it is characterized in that, this jack module comprises current detection module, key-press module, relay and Three-hole socket, this key-press module comprises beginning key, three buttons of setting key and redundancy key, this Three-hole socket comprises L, E, tri-holes of N, this current detection module, this key-press module, this relay is connected in this controller, the E of this Three-hole socket, the E of the direct external 110V/220V AC power in N hole, N line, the L line of described 110V/220V AC power is successively by this current detection module, the L hole of this relay and this Three-hole socket is together in series, this current detection module detects the electrical current intensity I of this Three-hole socket, and be transferred to this controller, this relay carries out timing and the timing of the power-off delay time of electrical equipment under holding state and makes zero.

6. electric appliance standby auto-breaking according to claim 5 is changed general insert row, it is characterized in that, when the electrical current intensity that this current detection module receiving when this controller detects is less than or equal to the i* (1+r%) of this jack module, this controller sends a timing signal this relay to this jack module, this relay starts the timing of power-off delay time, when this relay timing exceedes after this power-off delay time value t, described in this controller control, relay is given this Three-hole socket power-off of this jack module, the current current strength detecting when described current detection module is greater than i* (1+r%), this controller sends timing stop signal this relay to this jack module, the power-off delay time timing of this relay is made zero, described in this controller control, relay is given this Three-hole socket energising of this jack module.

7. electric appliance standby auto-breaking according to claim 5 is changed general insert row, it is characterized in that, this of described key-press module starts key for timing time of delay is made zero, described Three-hole socket directly switches on power, this starts key and transmits a timing rz signal to this controller, this controller sends timing stop signal to this relay, and the power-off delay time timing of this relay is made zero, this Three-hole socket energising that relay is given this jack module described in this controller control.

8. electric appliance standby auto-breaking according to claim 5 is changed general insert row, it is characterized in that, this redundancy key of described key-press module is responsible for setting this redundancy value r of electrical equipment described Three-hole socket current strength under holding state, and send this redundancy value r to this controller and carry out record, this redundancy value r is given described display module demonstration by described controller simultaneously, described display module is the charactron of 2, no matter when often click redundancy key, this redundancy value r just increases by 1, until become 0 after being increased to maximum 99, circulate.

9. electric appliance standby auto-breaking according to claim 5 is changed general insert row, it is characterized in that, this setting key of described key-press module is for setting electrical equipment this current i in the time of holding state, when described Three-hole socket institute plug-in device is pressed this setting key of described key-press module during in holding state, what at this moment this current detection module detected is institute's plug-in device this current i in the time of holding state, and sending this current i to this controller, described controller will record this current i.

10. electric appliance standby auto-breaking according to claim 9 is changed general insert row, it is characterized in that, this setting key of described key-press module is also for setting this power-off delay time value t of described Three-hole socket under electric appliance standby state, and send this power-off delay time value t to described controller and carry out record, this power-off delay time value t is given described display module demonstration by described controller simultaneously, described display module is the charactron of 2, when described Three-hole socket institute plug-in device often clicks this setting key during in holding state, this power-off delay time value t just increases by 1 minute, after 99 minutes, become 0 minute until be increased to maximum, circulate, if this power-off delay time value t is set as 0 minute, this Three-hole socket will be always in "on" position.

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