CN102290685A - A time-controlled socket with multiple groups of controlled sockets that can be independently controlled - Google Patents

Abstract

The utility model provides a time control socket that multiunit controlled jack can be independently controlled, includes the power input end for the socket power supply and locates the power output jack on the socket, its characterized in that: the socket is internally provided with a processing unit and at least two control circuits which can generate corresponding control signals at set time, the power output jacks comprise at least two controlled jacks, the output end of the processing unit is connected with each control circuit, the control circuits are connected with the controlled jacks in a one-to-one correspondence manner, and each control circuit controls a loop where the corresponding controlled jack is located according to the control signals sent by the processing unit, so that the controlled jack is indirectly switched on or off when the controlled jack is set. The invention can make each controlled jack indirectly switch on or off the power supply when being set differently, thereby realizing independent and indirect control of the working state of the household appliances or office equipment electrically connected with different controlled jacks, being more convenient to use and control and being beneficial to energy conservation. The circuit structure of the electrical appliances or equipment can be simplified, a timing control module does not need to be arranged on each electrical appliance or equipment, and the cost of the electrical appliances or equipment can be greatly reduced.

Description

A time-controlled socket with multiple groups of controlled sockets that can be independently controlled

Technical field:

The invention relates to a time control socket which can be independently controlled by multiple groups of controlled sockets.

Background technique:

Existing sockets generally include several power output jacks arranged on the socket and power input terminals for supplying power to the socket, through which various household appliances or office equipment can be powered. However, this socket has the following defects: 1. It cannot independently control the conduction or disconnection time of the circuits where different power output jacks are located, so as to indirectly control the working status of household appliances or office equipment electrically connected to different power output jacks, which is inconvenient to use. , is not conducive to energy saving. 2. It does not have the function of lightning protection. In thunderstorm seasons or when the voltage is abnormal, it cannot prevent damage to electrical appliances from harmful surges and voltage fluctuations caused by lightning strikes or excessive voltage, and there are potential safety hazards.

Invention content:

The purpose of the present invention is to provide a time-controlled socket that can independently control multiple groups of controlled sockets, and the time-controlled socket can independently control the circuit where each controlled socket is located to turn on or off the power supply at different set times.

A time-controlled socket that can be independently controlled by multiple groups of controlled sockets, including a power input terminal for supplying power to the socket and a power output socket provided on the socket. A processing unit and at least two control circuits that generate corresponding control signals in time, the power output jack includes at least two controlled jacks, the output end of the processing unit is connected to each control circuit, and the control circuit is connected to the controlled jack The holes are connected one by one, and each control circuit controls the circuit where the corresponding controlled jack is located according to the control signal sent by the processing unit, so that the controlled jack is powered on or off at the set time.

The present invention has the following advantages: 1. The multiple groups of controlled sockets of the present invention can independently control the time-controlled sockets, and the control circuits are connected to the controlled sockets one by one, and each control circuit controls the corresponding The circuit where the controlled jacks are located enables each controlled jack to turn on or off the power supply at different set times, thereby achieving independent and indirect control of the working status of household appliances or office equipment electrically connected to different controlled jacks. It is more convenient to use and control, which is beneficial to energy saving. 2. It can also simplify the circuit structure of electrical appliances or equipment, and it is not necessary to set a timing control module on each electrical appliance or equipment, which can greatly reduce the cost of electrical appliances or equipment.

Each of the control circuits includes an electromagnetic relay, and the normally open contacts of each electromagnetic relay are connected in series in the circuit where the corresponding controlled socket is located. The structure is simple and the control is convenient.

The input end of the processing unit is also connected with a setting button and a rotatable safety lock, and the output end of the processing unit is connected with a display screen. By setting the button, you can set the time for the processing unit to control the power on or off of the circuit where the controlled jack is located. A total of 6 control periods can be set; in addition, when the safety lock is turned, the processing unit can be set in the write-protected state. When the setting button does not work, it can prevent misoperation or loss of the set data when children are playing.

A switching power supply is also connected in parallel between the power supply input end and the processing unit and each control circuit, and the switching power supply supplies power to the processing unit and each control circuit.

Also included is a backup power supply that provides power to the processing unit. The backup power supply can last for more than 15 hours, and the set data will not be lost even in the event of a power outage.

A lightning protection module is connected in parallel between the power input end and the switching power supply, and the lightning protection module includes a piezoresistor and a high-voltage gas discharge tube arranged at the power input end. When lightning strikes or the voltage is too high, the piezoresistor in the lightning protection module can make its resistance smaller as the voltage increases and form a path with the neutral line; similarly, the high-voltage gas discharge tube can also The high-voltage state is turned on, forming two protective lines of defense, thereby effectively preventing damage to electrical appliances caused by lightning strikes or excessive voltage surges and voltage fluctuations, and protecting the safe use of electrical appliances.

A fuse is connected in series between the input terminal of the power supply and the varistor, and a power switch is connected in series between the varistor and the high-voltage gas discharge tube. When the heat of the circuit reaches the fuse temperature of the fuse due to a short circuit, the circuit is disconnected to protect the safety of each component of the circuit.

The power output jack also includes a normally-connected jack, and the normally-connected jack is arranged in parallel between the lightning protection module and the switching power supply.

An overload protector is connected in series between the lightning protection module and the power output jack. When the load power is greater than the rated power or the load is short-circuited, the overload protector will automatically disconnect. After the load is normal, press the overload protector again, and the socket can work normally again.

A USB power supply circuit is also provided between the lightning protection module and the switching power supply, and a USB charging jack is provided to charge MP3, MP4, PDA, PSP, mobile phones, etc.

Description of drawings:

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

Fig. 2 is a schematic diagram of the second structure of the present invention.

Fig. 3 is a schematic block diagram of the circuit of the present invention.

Fig. 4 is a circuit structure diagram of the present invention.

FIG. 5 is a circuit structure diagram of the connection between the processing unit of the present invention and the circuit in FIG. 4 and the display screen.

Detailed ways:

As shown in Figures 1 to 5, a time-controlled socket with multiple groups of controlled sockets that can be independently controlled includes a power input terminal 12 for supplying power to the socket 1 and a power output socket 11 on the socket. The hole 11 includes three controlled jacks 111, and the socket is provided with a processing unit 2 and three control circuits 3. The processing unit 2 can generate corresponding control signals at a set time, and the output terminal of the processing unit 2 is connected with each control circuit. 3 connections, the control circuit 3 is connected with the controlled jack 111 one by one and controls the circuit where the corresponding controlled jack 111 is located according to the signal sent by the processing unit 2, so that the controlled jack 111 is turned on or off at the set time power supply. Each of the control circuits 3 includes an electromagnetic relay, and the normally open contacts of each electromagnetic relay are connected in series in the circuit where the corresponding controlled socket 111 is located. The input end of the processing unit 2 is also connected with a setting button 5 and a rotatable safety lock 6, the output end of the processing unit 2 is connected with a display screen 7, and the setting button 5 includes a MODE key, a SET key, an HOUR key and a MIN key, A total of 6 control periods for turning on and off the power supply can be set for each controlled socket. A switching power supply 4 is connected in parallel between the power input end 12 and the processing unit 2 and each control circuit 3 , and the switching power supply 4 supplies power to the processing unit 2 and each control circuit 3 . A backup power supply 8 is also included, which also supplies power to the processing unit 2 . A lightning protection module 9 is connected in parallel between the power input end 12 and the switching power supply 4 . The lightning protection module 9 includes a piezoresistor and a high-voltage gas discharge tube arranged at the power input end. A fuse is connected in series between the power input terminal 12 and the varistor, and a power switch is connected in series between the varistor and the high-voltage gas discharge tube. The power output jack 11 also includes a normally-on jack 112, which is connected in parallel between the lightning protection module 9 and the switching power supply. An overload protector 10 is connected in series between the lightning protection module 9 and the power output jack 11 . A USB power supply circuit is also provided between the lightning protection module 9 and the switching power supply to provide a USB charging jack.

The bottom of the socket 1 is provided with a push-pull hanging plate 01 at its left end and right end, and the push-pull hanging plate 01 is provided with a hanging hole. When the socket needs to be fixed or suspended, the hanging plate can be pulled out for use, and the hanging plate can be pushed in when not in use, which is convenient and applicable.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the implementation scope of the present invention. All equivalent changes and modifications made according to the scope of the patent of the present invention fall within the scope covered by the patent of the present invention.

Claims (10)

1. A time-controlled socket that can be independently controlled by multiple groups of controlled sockets, including a power input terminal for supplying power to the socket and a power output socket provided on the socket, characterized in that: the socket is equipped with a A processing unit and at least two control circuits that generate corresponding control signals at a fixed time, the power output jack includes at least two controlled jacks, the output end of the processing unit is connected to each control circuit, and the control circuit is connected to the controlled circuit. The control jacks are connected one by one, and each control circuit controls the circuit where the corresponding controlled jack is located according to the control signal sent by the processing unit, so that the controlled jack is turned on or off at the set time. 2. A time-controlled socket with multiple groups of controlled jacks that can be independently controlled according to claim 1, wherein each control circuit includes an electromagnetic relay, and the normally open contacts of each electromagnetic relay are connected in series to the corresponding controlled jacks in the loop. 3. A time-controlled socket with multiple groups of controlled jacks that can be independently controlled according to claim 2, characterized in that: the input end of the processing unit is also connected with a setting button and a rotatable safety lock, and the processing unit The output terminal is connected to a display screen. 4. A time-controlled socket with independently controllable multiple sets of controlled sockets according to any one of claims 1 to 3, characterized in that: the power input terminal is also connected in parallel with the processing unit and each control circuit A switching power supply is provided, and the switching power supply supplies power to the processing unit and each control circuit. 5. A time-controlled socket with independently controllable multiple groups of controlled jacks according to claim 4, characterized in that it further comprises a backup power supply for powering the processing unit. 6. A time-controlled socket with multiple groups of controlled jacks that can be independently controlled according to claim 5, characterized in that: a lightning protection module is connected in parallel between the power input terminal and the switching power supply, and the lightning protection module The module includes a piezoresistor and a high-voltage gas discharge tube arranged at the input end of the power supply. 7. A time-controlled socket with multiple groups of controlled jacks that can be independently controlled according to claim 6, characterized in that: a fuse is connected in series between the power input end and the varistor, and the varistor and high-pressure gas A power switch is connected in series between the discharge tubes. 8. A time-controlled socket that can be independently controlled by multiple groups of controlled jacks according to claim 7, characterized in that: said power output jack also includes a normally-connected jack, and the normally-connected jack is arranged in parallel Between the lightning protection module and the switching power supply. 9. A time-controlled socket with independently controlled multiple sets of controlled sockets according to claim 8, characterized in that an overload protector is connected in series between the lightning protection module and the power output socket. 10. A time-controlled socket with multiple groups of controlled jacks that can be independently controlled according to claim 9, characterized in that: a USB power supply circuit is also provided between the lightning protection module and the switching power supply to provide USB charging jack.

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