TWM645188U - Multifunctional protection socket - Google Patents

Abstract

A multifunctional protection socket is provided. The multifunctional protection socket includes a housing, a circuit board, a first current transformer, a first conductor, a second conductor, and a second current transformer. The housing includes an outside housing and an upper cover, the outside housing is connected to the upper cover to form a containing space. The circuit board is located in the containing space. The first current transformer is located on the circuit board, and the center of the first current transformer is threaded through to form a penetrating part. The first conductor is inserted into the first current transformer, one end of the first conductor is located on the outer wall of the first current transformer, and the other end of the first conductor is located in the penetrating part. One end of the second conductor is inserted into the penetrating part of the first current transformer, and the other end is located on the surface of the first current transformer. The second current transformer is located on the circuit board, near the first conductor and adjacent to the first current transformer. Thereby, the present invention can reduce the overall size, and can detect a single loop arc fault and pulsating direct current leakage, and reducing the cost.

Description

Multifunctional protective socket

The invention provides a socket structure, especially a multifunctional protection socket.

Most Taiwanese houses are old and have old wires. Arc fires often occur due to old wires. The wiring methods used in old houses are also different from modern house designs. Most of them use a single circuit breaker for supply. There are multiple loops. Because of this, when an arc occurs, it is difficult to determine the location of the loop where the arc occurred. Although there are arc interrupters on the foreign market at present, they are mainly circuit breakers and therefore cannot be applied to old houses. At the same time, since Laowu supplies multiple circuits for a single circuit breaker, its rated leakage current requires a higher rated leakage current device to avoid malfunction, thus losing the role of protecting personal safety. On the other hand, if a dedicated circuit is added , then they face the problem of increased costs. Furthermore, modern home appliances are diversified. In order to save power, complex control circuits are often designed, such as computers, air conditioners, refrigerators, dehumidifiers, air conditioners, etc., resulting in leakage faults that are no longer simply AC. Leakage current may produce pulsating DC leakage current.

In addition, it is known that the transformers and zero mutual inductors used to detect leakage current problems are relatively large and generally require a larger location to install. However, when used to detect leakage current in houses, due to the The limited space makes it difficult for conventional products to be installed on house sockets.

Therefore, in order to solve the above-mentioned problems of the prior art, this invention further proposes a multi-functional protective socket that can detect leakage current and arc fault at the same time, and its reduced size can be easily installed in indoor sockets to solve the problems caused by the conventional ones. .

In view of the above problems, the main purpose of this invention is to provide a multi-functional protective socket that can detect single-circuit arc faults and pulsating DC leakage, reduce costs, and reduce the overall size.

In order to achieve the above purpose, the present invention provides a multifunctional protective socket, which includes a housing, a circuit board, a first transformer, a first conductor, a second conductor and a second transformer. The housing includes an outer shell and an upper cover, and the outer shell and the upper cover are connected to form an accommodation space. The circuit board is located in the accommodation space. The first transformer is located on the circuit board, and has a through-hole through the center of the first transformer. The first conductor is inserted on the first transformer, one end of the first conductor is located on the outer wall of the first transformer, and the other end is located in the penetration part. One end of the second conductor is inserted into the penetration part of the first transformer, and the other end is located on the surface of the first transformer. The second transformer is located on the circuit board close to the first conductor and adjacent to the first transformer.

The first conductor includes a first connecting arm, an opposite first parallel arm and a second parallel arm. Two ends of the first connecting arm are respectively connected to one end of the first parallel arm and one end of the second parallel arm, and the first parallel arm is located at The outer wall of the first transformer and the second parallel arm are located in the penetration part.

The circuit board includes an L pole contact, and the other end of the first parallel arm and the other end of the second parallel arm are respectively connected to the L pole contact on the circuit board.

The second conductor has a second connecting arm and a third connecting arm. One end of the second connecting arm is connected to the third connecting arm. The second connecting arm is inserted into the through portion of the first transformer and is close to the second parallel arm.

The circuit board includes an N-pole contact, the other end of the second connecting arm is connected to the N-pole contact, and the other end of the third connecting arm is located on the surface of the first transformer.

The multi-function protection socket is used to connect a load to an AC power supply. The circuit board also includes a signal processing module, a power sampling module, a power loop and a switching module. The signal processing module includes a signal amplification unit and a signal processing unit. One side of the signal amplification unit is connected to the signal processing unit, and the other side is connected to the first transformer and the second transformer. The signal amplification unit receives the first transformer and the second transformer. After the transformer outputs a signal, the output signal is amplified, and then the amplified output signal is sent to the signal processing unit. One side of the power supply sampling module is connected to the AC power supply passing through the first transformer and the second transformer. The power supply is sampled after voltage division by resistors, and is connected to a signal processing unit to determine the sampling result. The power loop is connected to the AC power supply and the signal processing module respectively. The power loop is used to convert the alternating current of the AC power supply into direct current and provide it to the power sampling module and the signal processing module.

The switch module is connected between the AC power supply and the load, and receives the fault signal from the signal processing unit to trip the AC power supply to the load, forming an open circuit.

Among them, the AC power supply includes a phase line and a neutral line. The phase line is connected to the L pole contact, and the neutral line is connected to the N pole contact.

Among them, the switch module includes a switch unit and a drive coil. The switching unit is connected between the phase line, the neutral line and the load. One end of the drive coil is connected to the signal processing unit, and the other end is connected to the phase line. When the signal processing unit is turned on, the drive coil excitation control switch unit trips, causing the AC power supply to open circuit to the load.

Among them, the circuit of the circuit board also includes a display module, which is connected to the signal processing unit. The display module includes an LED (Light Emitting Diode) light. When the switch unit trips, the signal processing unit turns on the LED light to flash.

According to the above, the multi-functional protection socket of this invention can be installed at the end of the circuit. Therefore, a single circuit arc fault or leakage can be detected through a single circuit installation. When the fault occurs, it can be quickly discovered and eliminated. At the same time, a relatively large number of The sensitive rated leakage current can reduce costs and ensure personal safety, and the space utilization of the overall structure is improved, so that the overall volume can be reduced and the thickness can be reduced.

The embodiments of this invention will be further explained below with the help of relevant figures. Wherever possible, the same reference numbers are used in the drawings and description to refer to the same or similar components. In the drawings, shapes and thicknesses may be exaggerated for simplicity and ease of notation. It should be understood that components not specifically shown in the drawings or described in the specification are in a form known to those of ordinary skill in the art. Those with ordinary knowledge in the art can make various changes and modifications based on the contents of this creation.

Referring to FIGS. 1 to 3 , the multifunctional protective socket 1 of the present invention includes a housing 10 , a circuit board 20 , a first transformer 30 , a first conductor 50 , a second conductor 60 and a second transformer 40 . The housing 10 includes an outer shell 14 and an upper cover 12 . The outer shell 14 and the upper cover 12 are connected to form an accommodation space 100 . The circuit board 20 is located in the accommodation space 100 . The first transformer 30 is located on the circuit board 20 , and has a through portion 300 penetrating through the center of the first transformer 30 . The first conductor 50 is inserted into the first transformer 30 . One end of the first conductor 50 is located on the outer wall 302 of the first transformer 30 , and the other end is located in the through portion 300 . One end of the second conductor 60 is inserted into the penetration portion 300 of the first transformer 30 , and the other end is located on the surface 304 of the first transformer 30 . The second transformer 40 is located on the circuit board 20 , close to the first conductor 50 and adjacent to the first transformer 30 .

The first conductor 50 includes a first connecting arm 52, an opposite first parallel arm 54 and a second parallel arm 56. Two ends of the first connecting arm 52 are respectively connected to one end of the first parallel arm 54 and one end of the second parallel arm 56. , and the first parallel arm 54 is located on the outer wall 302 of the first transformer 30 , and the second parallel arm 56 is located in the through portion 300 .

The second conductor 60 has a second connecting arm 62 and a third connecting arm 64. One end of the second connecting arm 62 is connected to the third connecting arm 64. The second connecting arm 62 is inserted into the through portion 300 of the first transformer 30. and close to the second parallel arm 56 of the first conductor 50 .

The circuit board 20 includes an L pole contact 22 and an N pole contact 24. The other end of the first parallel arm 54 and the other end of the second parallel arm 56 are respectively connected to the L pole contact 22 on the circuit board 20. The other end of the second connecting arm 62 is connected to the N pole contact 24 , and the other end of the third connecting arm 64 is located on the surface 304 of the first transformer 30 .

In addition, the first conductor 50 can be bent to form a U-shaped structure, and the second conductor 60 can be bent to form an L-shaped structure.

Therefore, the first transformer 30 and the second transformer 40 of the present invention can be arranged adjacently through the first conductor 50 and the second conductor 60, thereby reducing the overall size and height, and allowing the user to conveniently install it in a socket in the house. , quite convenient.

Among them, the first transformer 30 is a zero-phase current transformer, and the second transformer 40 is a current transformer. The first transformer 30 is used to detect leakage current, and the second transformer 40 is used to detect arc phenomena.

Please refer to Figure 4. The multi-functional protection socket of this invention is used to connect the load 80 to the AC power supply 90. The circuit board also includes a signal processing module 70, a power sampling module 72, a power loop 74 and a switch module 76. The signal processing module 70 includes a signal amplification unit 702 and a signal processing unit 704. One side of the signal amplification unit 702 is connected to the signal processing unit 704, and the other side of the signal amplification unit 702 is connected to the secondary side and the second side of the first transformer 30. On the secondary side of the transformer 40, the signal amplifying unit 702 receives the output signals from the secondary side of the first transformer 30 and the secondary side of the second transformer 40, amplifies the output signals, and then transmits the amplified output signals to Signal processing unit 704. One side of the power supply sampling module 72 is connected to the AC power supply 90 passing through the first transformer 30 and the second transformer 40. The power supply is sampled after dividing the voltage by the resistor 722, and is connected to the signal processing unit 704 to determine the sampling result. The power loop 74 is connected to the AC power supply 90 and the signal processing module 70 respectively. The power loop 74 is used to convert the alternating current of the AC power supply 90 into direct current and provide it to the power sampling module 72 and the signal processing module 70 .

The switch module 76 is connected between the AC power supply 90 and the load 80, receives the fault signal from the signal processing unit 704, and trips the AC power supply 90 to the load 80 to form an open circuit. When the second transformer 40 detects the arc phenomenon, the output signal of the secondary side of the second transformer 40 is transmitted to the signal processing unit 704 through the signal amplification unit 702, and then the fault signal of the arc phenomenon is transmitted to the switch module. 76; Or, when the first transformer 30 detects current leakage, the output signal of the secondary side of the first transformer 30 is sent to the signal processing unit 704 through the signal amplification unit 702, and then the fault signal of the current leakage is sent to the switch. Mod 76.

The AC power supply 90 includes a phase line 92 and a neutral line 94. The phase line 92 is connected to the L-pole contact, and the neutral line 94 is connected to the N-pole contact.

Among them, the switch module 76 includes a switch unit 762 and a driving coil 764. The switch unit 762 is connected between the phase line 92 , the neutral line 94 and the load 80 . One end of the driving coil 764 is connected to the signal processing unit 704, and the other end is connected to the phase line 92. When the signal processing unit 704 is turned on, the driving coil 764 is excited to control the switching unit 762 to trip, causing an open circuit between the AC power supply 90 and the load 80.

Therefore, when a fault occurs, the signal processing unit 704 sends a trip signal to the control switch unit 762 to trip, and causes the drive coil 764 to conduct, and then drives the stopper and the trip link, ultimately achieving the purpose of contact tripping. In this way, the problem of insufficient functions of conventional sockets can be improved. With this invention, arc faults can be detected, leakage detection types can be improved, and electrical appliances can be prevented from being damaged due to high voltage.

Among them, the circuit of the circuit board also includes a display module 78, which is connected to the signal processing unit 704. The display module 78 includes an LED light 782. When the switch unit 762 trips, the signal processing unit 704 turns on the LED light 782 to flash.

The L-pole contact and N-pole contact of the multi-functional protection socket of this invention can be provided with a large area of copper foil on the circuit board, and the first conductor of the U-shaped structure and the second conductor of the L-shaped structure are used, so that the overall size can be reduced Shrunk it down and install it smoothly in the socket in the house. At the same time, through the matching settings of transformers and zero-phase current converters, this creation can also be used to detect type A leakage current (pulsating DC leakage) and arc faults. This not only reduces costs, but also allows users to use more convenient.

The above are only examples to illustrate the preferred implementation of this invention, and are not intended to limit the scope of implementation. All simple substitutions and equivalent changes made based on the patent scope of this invention and the content of the patent specification are all patents of this invention. Application scope.

1: Multifunctional protection socket 10: Shell 12: Upper cover 14: Shell 100: Accommodation space 20:Circuit board 22:L pole contact 24: N pole contact 30:The first transformer 300: Penetrating Department 302:Outer wall 304:Surface 40: Second transformer 50:First conductor 52:First connecting arm 54:First parallel arm 56:Second parallel arm 60:Second conductor 62:Second connecting arm 64:Third connecting arm 70:Signal processing module 702: Signal amplification unit 704: Signal processing unit 72:Power sampling module 722: Resistor 74:Power circuit 76:Switch module 762:Switch unit 764: Drive coil 78:Display module 782:LED light 80:Load 90:AC power supply 92:Phase line 94: Neutral line A:Partial

Figure 1 is a schematic diagram of an embodiment of the multifunctional protection socket of the present invention; Figure 2 is an exploded schematic diagram of one embodiment of the multi-functional protective socket of this invention; Figure 3 is an enlarged schematic diagram of part A of Figure 2; Figure 4 is a circuit schematic diagram of the multi-functional protection socket of this invention.

1: Multifunctional protection socket

10: Shell

12: Upper cover

14: Shell

100: Accommodation space

20:Circuit board

30:The first transformer

40: Second transformer

50:First conductor

60:Second conductor

Claims (11)

A multifunctional protective socket, including: A housing includes an outer shell and an upper cover, and the outer shell is connected to the upper cover to form an accommodation space; A circuit board located in the accommodation space; A first transformer is located on the circuit board, and has a through-hole through the center of the first transformer; A first conductor is inserted on the first transformer, one end of the first conductor is located on the outer wall of the first transformer, and the other end is located in the through-portion; a second conductor, one end of the second conductor is inserted into the through-portion of the first transformer, and the other end is located on the surface of the first transformer; and A second transformer is located on the circuit board, close to the first conductor and adjacent to the first transformer. The multifunctional protective socket of claim 1, wherein the first conductor includes a first connecting arm, an opposite first parallel arm and a second parallel arm, and two ends of the first connecting arm are respectively connected to the One end of the first parallel arm and one end of the second parallel arm, and the first parallel arm is located on the outer wall of the first transformer, and the second parallel arm is located in the through portion. The multifunctional protective socket as claimed in claim 2, wherein the circuit board includes an L pole contact, and the other end of the first parallel arm and the other end of the second parallel arm are respectively connected to the terminal on the circuit board. L pole contact. The multifunctional protective socket as claimed in claim 2, wherein the second conductor has a second connecting arm and a third connecting arm, one end of the second connecting arm is connected to the third connecting arm, and the second connecting arm The arm is inserted into the through portion of the first transformer and close to the second parallel arm. The multifunctional protective socket as claimed in claim 4, wherein the circuit board includes an N-pole contact, the other end of the second connecting arm is connected to the N-pole contact, and the other end of the third connecting arm is located on the third The surface of a transformer. The multifunctional protective socket as claimed in claim 1, wherein the first conductor is bent to form a U-shaped structure. The multifunctional protective socket as claimed in claim 1, wherein the second conductor is bent to form an L-shaped structure. The multi-functional protective socket as claimed in claim 1, wherein the multi-functional protective socket is used to connect a load to an AC power supply, and the circuit of the circuit board also includes: A signal processing module includes a signal amplification unit and a signal processing unit. One side of the signal amplification unit is connected to the signal processing unit, and the other side is connected to the first transformer and the second transformer. The signal amplification unit After receiving an output signal from the first transformer and the second transformer, amplifying the output signal, and then transmitting the amplified output signal to the signal processing unit; A power supply sampling module. One side of the power supply sampling module is connected to the AC power supply passing through the first transformer and the second transformer. The power supply is sampled after dividing the voltage by a resistor, and is connected to the signal processing unit for judgment. Sampling results; A power loop, respectively connected to the AC power supply and the signal processing module, the power loop is used to convert the AC power of the AC power supply into DC power and provide it to the power sampling module and the signal processing module; and A switch module is connected between the AC power supply and the load, receives a fault signal from the signal processing unit, and trips the AC power supply to the load to form an open circuit. The multifunctional protective socket as described in claim 8, wherein the AC power supply includes a phase line and a neutral line, the circuit board includes an L pole contact and an N pole contact, and the phase line is connected to the L pole Contact, the neutral wire is connected to the N pole contact. The multifunctional protective socket as described in claim 9, wherein the switch module includes: A switching unit connected between the phase line, the neutral line and the load; and A driving coil has one end connected to the signal processing unit and the other end connected to the phase line. When the signal processing unit is turned on, the driving coil excitation controls the switching unit to trip, causing the AC power supply to form an open circuit to the load. The multifunctional protective socket as claimed in claim 10, wherein the circuit of the circuit board also includes a display module connected to the signal processing unit, the display module includes an LED light, and when the switch unit trips, the The signal processing unit turns on the LED light to flash.