TWI566485B - Safety socket assembly with functions of auto-actuation and de-actuation - Google Patents

Description

Safety socket with automatic power supply and power off function

The invention relates to a power socket, in particular to a safety socket with automatic power supply and power-off function.

The traditional power socket only provides a power connection function, and the user can conveniently connect the power to the power in the action of plugging and unplugging. Therefore, such conventional sockets have several disadvantages.

In a conventional socket, the live wire (L line) on the jack is always energized regardless of whether the socket is used or not. In practical applications, there are often accidents such as electric shock and electric leakage, such as plugging water into the socket, children taking things into the jack, and so on. Because the fire wire in the jack is always in the state of being energized, when the plug is inserted into the socket, the spark is often generated due to the excessive current, causing an explosion. These problems have always caused great concern and danger in the safety of electricity.

The above situation is the lack of use of the current socket, so the inventor of this case has a brand new design to solve the problems encountered in this prior art.

Therefore, the object of the present invention is to solve the above-mentioned problems in the prior art. In the present invention, a safety socket with automatic power supply and power-off function is proposed, wherein the advantage is that the mechanical structure and the electronic structure are simultaneously used to achieve the safety power-off function. Yes, when the socket is not in use, the power supply can be completely stopped. Unlike the traditional socket, it is always in the state of being energized when not in use, which is easy to cause accidents of electric and leakage; and the voltage and current can be controlled. The circuit is automatically turned off when the value is too high or too low or exceeds the safe current value. In this case, the socket will not cause leakage or electric shock accident when the jack is exposed. It can avoid sparks caused by instantaneous current when the plug and the socket are not completely in contact, which may cause explosion and can be used in factories and mine pits. And other places to improve the safety and reliability of electricity.

In order to achieve the above object, the present invention provides a safety socket with an automatic power supply and power-off function, comprising a socket having at least three holes, respectively a first hole and a second hole, and the first pin of the plug and The second pin is inserted for energization; and a through hole is provided for the component to pass through, and the first hole and the second hole each have an electrode conductive piece, which is a first electrode conductive piece and a second electrode conductive piece, and the electrode conductive piece And a first conductive portion and a second conductive portion are respectively connected to the external current source, wherein a circuit mechanism is connected in parallel between the first conductive portion and the second conductive portion; and a power conduction control member is operable Controlling whether the power can be turned on, the top end of the power conduction control member has a rod body passing through and protruding through the through hole of the socket, and a tail is disposed at a tail end of the power conduction control member, and the power conduction control member is made by the spring force of the spring Reverting to its initial position; when the plug is inserted into the socket and pressing the rod, the power conduction control member presses the first electrode conductive sheet in the socket and the first The electrode conductive sheet is deformed to contact the first plug and the second plug of the plug to form a conductive path, and is in a state of being energized; when the user pulls out the plug, the power supply turns on the spring of the control member The power conduction control member springs back to the initial position, which is a power-off state; wherein the external current source is outside the socket, the external current source is used to provide the required power; the circuit mechanism is connected to the external current Source, the electricity The road mechanism comprises: a transformer, the transformer is connected in parallel to the external current source, the transformer has a primary side and a secondary side respectively, and is connected in parallel to the first conductive portion and the second conductive portion, and the alternating high voltage is used as a step-down rectifier. The voltage circuit reduces the high voltage of the primary side, and the voltage drop of the secondary side is generally a common DC low voltage, and provides a DC low voltage and low power power source for the protection circuit and the driving control power source to turn on or off the circuit; a micro-opening relationship is used for sensing whether the plug is inserted into the socket and transmitting the signal to the connected device; the micro switch has one end connected to the secondary side of the transformer and a signal controller, and the other end is connected to the socket Used as a circuit conduction judgment; a signal controller for processing and transmitting signals, the signal controller is located on the circuit mechanism and connected to the micro switch, and can receive the signal sent by the micro switch, when When the micro switch senses that the socket has been inserted into the plug, the signal controller sends a power-on signal to the downstream device; when the micro switch senses the When the plug is not inserted into the seat, the controller will issue a signal to the downstream device off signal.

The features of the present invention and its advantages are further understood from the following description, and reference is made to the accompanying drawings.

10‧‧‧ socket

11‧‧‧First hole

12‧‧‧Second hole

13‧‧‧First electrode conductive sheet

14‧‧‧Second electrode conductive sheet

15‧‧‧First Conductive Department

16‧‧‧Second Conductive Department

17‧‧‧Power conduction control

18‧‧‧through hole

20‧‧‧Transformers

21‧‧‧First side

22‧‧‧second side

30‧‧‧Micro Switch

31‧‧‧Electrical Department

32‧‧‧Electrode

33‧‧‧Wire

34‧‧‧Wire

40‧‧‧Signal Controller

50‧‧‧Electricity

60‧‧‧ delay circuit

70‧‧‧ Grounding Hole

80‧‧‧Voltage current measuring device

100‧‧‧External current source

171‧‧‧Structure ontology

172‧‧‧锲 block

173‧‧‧ plates

174‧‧‧rod

175‧‧ ‧ spring

200‧‧‧ Circuitry

300‧‧‧first latch

400‧‧‧Second latch

Figure 1-1 shows a perspective view of the structure of the power-on control of the present case.

Figure 1-2 shows a structural top view of the power-on control of the present case.

Figure 1-3 shows a side view of the structure of the power supply control member of the present invention.

Figure 2-1 shows a perspective view of the structure of another power-on control unit of the present invention.

Figure 2-2 shows a structural top view of another power conduction control member of the present invention.

Figure 2-3 shows a side view of the structure of another power conduction control member of the present invention.

Figures 3-1 and 3-2 show the application of the power conduction control device in this case.

Figures 4-1 and 4-2 show the actual use of the case.

Figure 5 is a top view of the socket of the present invention showing the grounding hole.

Figure 6 is a schematic view of the circuit mechanism of the present invention.

Figure 7 is a schematic diagram of another circuit mechanism of the present invention.

In view of the structural composition of the case, and the functions and advantages that can be produced, in conjunction with the drawings, a preferred embodiment of the present invention is described in detail below.

Please refer to FIG. 1 to FIG. 7 , which shows the safety socket with automatic power supply and power-off function of the present invention, which comprises the following components: a socket 10 having at least three holes, respectively being the first hole 11 and the first hole The two holes 12 can insert the first pin 300 and the second pin 400 of the plug for power supply; and a through hole 18 can be used for the component to pass through, and the first hole 11 and the second hole 12 each have an electrode conductive piece, respectively The first electrode conductive sheet 13 and the second electrode conductive sheet 14 are respectively connected with the first conductive portion 15 and the second conductive portion 16 for external current source 100 is connected, wherein a circuit mechanism 200 is connected in parallel between the first conductive portion 15 and the second conductive portion 16.

A power conduction control member 17 (shown in FIGS. 1-1 to 2-3) can control whether the power can be turned on by operation. The power conduction control member 17 has an elongated structure body 171 and two 块-shaped blocks. The 172 protrudes from the structural body 171, and at least one of the plates 173 protrudes outside the structural body 171, wherein the 锲-shaped block 172 is The first electrode conductive sheet 13 and the second electrode conductive sheet 14 are used for extruding the first electrode conductive sheet 13 and the second electrode conductive sheet 14 to be first and the plug The pin 300 and the second pin 400 are in contact with each other to form a conductive path, wherein the plate 173 is used to enable the power conduction control member 17 to slide in a fixed groove; the power supply conducts the top end of the structural body 171 of the control member 17. The through hole 18 of the socket 10 is traversed and protruded from the socket 10 for the general plug to press against the rod 174 and move the power conduction control member 17; the end of the power conduction control member 17 is provided with a spring 175. The power conduction control member 17 is returned to its original position by the spring force of the spring 175.

As shown in FIGS. 4-1~4-2, when the plug is inserted into the socket 10 and the rod 174 is pressed down, the 块-shaped block 172 of the power conduction control member 17 presses the first one of the sockets 10 The electrode conductive sheet 13 and the second electrode conductive sheet 14 are deformed to contact with the first plug 300 and the second plug 400 of the plug to form a conductive path, which is a state of being energized; when the user pulls out the plug, the The spring 175 of the power conduction control member 17 bounces the power conduction control member 17 back to the initial position, which is the power-off state.

Preferably, the structural body 171 of the power conduction control member 17 may have a tapered cross section or a square shape (as shown in FIGS. 1-2 and 2-2) to suit the installation space. The shape of the structural body 171 can be arbitrarily changed according to installation and actuation requirements.

The external current source 100 is external to the socket 10, and the external current source 100 is used to provide the required power, typically alternating current.

The circuit mechanism 200 is connected to the external current source 100, as shown in FIG. 6 and FIG. 7, comprising: a transformer 20, the transformer is connected in parallel to the external current source, the transformer 20 has a primary side 21 and a secondary side 22, respectively connected in parallel to the first conductive portion 15 and the second conductive portion 16, and the alternating current (AC) high voltage is used as a step-down rectifier voltage regulating circuit, so that the primary side 21 High voltage step-down, the voltage drop of the secondary side 22 is generally low voltage (DC voltage), such as 5V or 3.3V, providing a DC low voltage power supply for protection circuit and driving control power supply to turn on or off the circuit .

A microswitch 30 (shown in Figures 3-1 and 3-2) is a device for sensing whether a plug is inserted into the socket 10 to transmit a sensed signal to the connected device. One end of the micro switch 30 is connected to the secondary side 22 of the transformer 20 and a signal controller 40, and the other end is connected to the socket 10 for use as a circuit conduction judgment.

The micro switch includes a conductive portion 31, two electrode portions 32, and a wire 33 and a wire 34. The conductive portion 31 is a metal plate mounted on the top of the power conduction control member 17, and the two electrode portions 32 are respectively located at the socket 10. The first hole 11 and the side of the second hole 12 are respectively connected to the wire 33 and the wire 34, and are connected to the secondary side 22 of the transformer 20 and a signal controller 40, wherein the power conduction control member When the 17 is in the initial position, at this time, the rod 174 of the power conduction control member 17 is not depressed (the plug is not inserted into the plug at this time), and the conductive portion 31 contacts the two electrode portions 32. When the power conduction control member 17 has been pressed by the plug (when the socket has been inserted into the plug), the conductive portion 31 will leave the two electrode portions 32. At this time, the micro switch 30 is a shutdown circuit. The microswitch 30 can be used to check if the outlet is being used.

A voltage and current measuring device 80 is connected in series to the second conductive portion 16 to measure a voltage or current value in the circuit mechanism 200, and when the equivalent voltage or current is greater than a safe voltage value or a safe current value ( For example, if the voltage is greater than 130V or the current is greater than 3A), a power-off signal is sent to the downstream components to shut down the circuit.

a signal controller 40 for processing and transmitting signals. The signal controller 40 is connected to the micro switch 30 on a circuit board of the circuit mechanism 200. When the micro switch 30 is depressed, the micro switch 30 In order to turn off the circuit (indicating that the socket is in use), the signal controller 40 sends a power-on signal; when the micro-switch is not depressed, the micro-switch is a conducting circuit (indicating that the socket is not used), The signal controller will send a power-off signal; the signal controller 40 is still connected to the voltage and current measuring device 80, and will be powered off when receiving the power-off signal from the voltage and current measuring device 80. The signal should be transmitted to the lower level components to turn off the circuit.

An electric switch 50 (including a mechanical relay or an electronic bi-directional thyristor TRIAC) is connected in series to the first conductive portion 15 and coupled to the signal controller 40 for controlling the external current source 100 Whether the circuit can be turned on.

The electric cymbal 50 has the function of receiving a power-off signal of the signal controller 40 when the voltage or current value in the circuit mechanism 200 is excessive, and turning off the circuit connected to the external current source 100.

As shown in FIG. 5, the socket 10 further includes a grounding hole 70. The grounding hole 70 is located on a surface of the first hole 11 and the second hole 12 for connecting the grounding wire as a grounding function.

As shown in FIG. 6 and FIG. 7 , the circuit mechanism 200 further includes: a delay circuit 60 connected in series to the circuit 50 for causing a delay of one second after the circuit forms a path, after one second. The rear circuit will be energized to enhance the safety of the socket.

The advantage of this case is that it can use the mechanical structure and the electronic structure to achieve the function of safe power-off. When the socket is not in use, the power supply can be completely stopped. Unlike the traditional socket, it is always in the state of being energized when not in use, which is easy to cause. Accidents of electric and leakage; and the voltage and current can be controlled, and the circuit will be automatically turned off when the safe voltage or current value is exceeded. In this case, the socket will not cause leakage or electric shock accident when the jack is exposed. It can avoid sparks caused by instantaneous current when the plug and the socket are not completely in contact, which may cause explosion and can be used in factories and mine pits. And other places to improve the safety and reliability of electricity.

The detailed description of the preferred embodiments of the present invention is intended to be limited to the scope of the invention, and is not intended to limit the scope of the invention. The patent scope of this case.

10‧‧‧ socket

11‧‧‧First hole

12‧‧‧Second hole

17‧‧‧Power conduction control

20‧‧‧Transformers

21‧‧‧First side

22‧‧‧second side

30‧‧‧Micro Switch

40‧‧‧Signal Controller

50‧‧‧Electricity

60‧‧‧ delay circuit

80‧‧‧Voltage current measuring device

100‧‧‧External current source

300‧‧‧first latch

400‧‧‧Second latch

Claims (7)

The utility model relates to a safety socket with automatic power supply and power-off function, comprising: a socket having at least three holes, respectively a first hole and a second hole, the first pin and the second pin of the plug are inserted for powering on And a through hole for the component to pass through, wherein the first hole and the second hole each have an electrode conductive piece, respectively a first electrode conductive piece and a second electrode conductive piece, the first electrode conductive piece and the second electrode conductive piece And a first conductive portion and a second conductive portion are respectively connected to the external current source, wherein a circuit mechanism is connected in parallel between the first conductive portion and the second conductive portion; and a power conduction control member is operable Controlling whether the power can be turned on, the top end of the power conduction control member has a rod body passing through and protruding through the through hole of the socket, and a tail is disposed at a tail end of the power conduction control member, and the power conduction control member is made by the spring force of the spring Recovering its initial position; when the plug is inserted into the socket and pressing the rod, the power conduction control member presses the first electrode conductive sheet and the second electrode in the socket The electric piece is deformed to contact the first pin and the second plug of the plug to form a conductive path, and the current is in a state of being energized; when the user pulls out the plug, the power supply turns on the spring of the control member, and the power is turned on. The conduction control member springs back to the initial position, which is a power-off state; wherein the external current source is on the outer side of the socket, the external current source is used to provide the required power; the circuit mechanism is connected to the external current source The circuit mechanism comprises: a transformer, the transformer is connected in parallel to the external current source, the transformer has a primary side and a secondary side, respectively, connected in parallel to the first conductive portion and the second conductive portion, and the AC high voltage is stepped down. The circuit of the rectification and voltage regulation causes the high voltage of the primary side to be stepped down, and the voltage drop of the secondary side is a commonly used low voltage, and a DC low voltage and low power power supply is provided for the protection circuit and the driving control power supply is turned on. Or disconnecting the circuit; a micro-opening relationship is used to sense whether the plug is inserted into the socket and send the signal to the connected device; the one end of the micro switch is connected to the secondary side of the transformer and a signal controller, The other end is connected to the socket for determining the continuity of the circuit; when the socket is inserted into the plug, the micro switch sends a power-on signal; when the micro-switch senses that the socket is not plugged, the micro-switch sends And a signal controller for processing and transmitting the signal, the signal controller is located on the circuit mechanism and connected to the micro switch, and receives the signal sent by the micro switch and transmits the signal to the downstream a device for controlling whether the control circuit is turned on or not; wherein the micro switch comprises a conductive portion, two electrode portions and a wire, the conductive portion is a metal plate mounted on the top of the power conduction control member, and the two electrode portions are respectively located The first hole of the socket and the side of the second hole are respectively connected to the wire, and are connected to the secondary side of the transformer and the signal controller Wherein when the power conduction control member is in the initial position, the rod of the power conduction control member is not depressed at this time, the conductive portion contacts the two electrode portions, and the micro switch is a conduction circuit; and when the power source When the conduction control member has been depressed by the plug, the conductive portion will leave the two electrode portions. At this time, the micro switch is a shutdown circuit, and the micro switch can be used to check whether the socket is used. A safety socket having an automatic power supply and power-off function according to the first aspect of the patent application, wherein the power conduction control member has a long strip-shaped structural body, and two 锲-shaped blocks protrude from the outside of the structure body, at least one plate The first electrode conductive piece and the second electrode conductive piece are used for extruding the first electrode conductive piece and the second electrode conductive piece. After the deformation, the first pin and the second plug of the plug can be The pin contacts to form a conductive path, wherein the plate is used to enable the power conduction control member to slide in the fixed slot; the top end of the structural body of the power conduction control member has a rod passing through and protruding from the socket The through hole can be used by a general plug to press the rod and move the power conduction control member. A safety socket with automatic power supply and power-off function according to the first aspect of the patent application, further comprising a voltage and current measuring device connected in series to the second conductive portion and connected to the signal controller, the circuit can be measured The voltage or current value in the mechanism, when the measured voltage or current is greater than the safe voltage value or the safe current value, a power-off signal is transmitted to the signal controller, and the signal controller receives the voltage and current measuring device. When the power-off signal is sent, the power-off signal is transmitted to the lower-level components to turn off the circuit. A safety socket having an automatic power supply and power-off function according to the third aspect of the patent application, further comprising an electric circuit connected in series to the first conductive portion and coupled to the signal controller for controlling the external Whether the circuit of the current source can be turned on; when the voltage in the circuit mechanism is too high and too low or the current value is too large, the power-off signal of the signal controller can be accepted, and the circuit connected to the external current source is turned off. Broken. A safety socket having an automatic power supply and power-off function according to claim 1, wherein the structural body of the power conduction control member has a cross section which is tapered or square to suit the installation space. A safety socket with automatic power supply and power-off function according to the first aspect of the patent application, wherein the socket further comprises: a grounding hole, the grounding hole is located on a surface of the first hole and the second hole for connecting The ground wire acts as a grounding function. Such as the application of the fourth paragraph of the patent scope with automatic power supply, power off function The safety socket, wherein the circuit mechanism further comprises a delay circuit connected in series to the electric circuit, wherein after the circuit is formed into a path, there is a delay of one second, and after one second, the circuit is energized to strengthen the socket. safety.