TWM619082U - Extension cord for multi-phase voltage conversion - Google Patents

Abstract

This creation refers to a multi-phase voltage conversion extension cord, which includes a socket base, a conductive cable, and a multi-phase circuit set in the socket base. The socket base has a hollow shell, and the One end of the shell is provided with a four-phase power plug connector for introducing power, and the shell is provided with a circuit breaker with safety switch function, at least two power sockets with different phase voltages, and one end of the conductive cable can be electrically connected to one Four-phase power supply, and the other end of the conductive cable can be electrically connected to the four-phase power plug connector of the socket body, and the multi-phase circuit includes three phase wires connected to the four-phase power plug connector, one neutral wire and one The grounding wire can be used to electrically connect the four-phase power plug connector, the circuit breaker and each of the power sockets, so that the four-phase power supply can form multiple power sockets with different phases and different voltages through a single circuit breaker, allowing users It can be selected according to requirements, so that only a single wiring can provide a variety of phase and voltage power options, which can improve the convenience of the work environment and improve the overall safety of electricity use.

Description

Extension cord for multi-phase voltage conversion

This creation belongs to the technical field of an extension cord. Specifically, it refers to a multi-phase voltage conversion extension cord with multiple power options, so that simple wiring can be carried out on the construction site or exhibition hall, and it is convenient for users to choose multiple power usage. It can further improve the safety of electricity use.

According to, in general construction sites, construction sites or exhibition venues and other large temporary places, because the electrical wiring is not yet complete and the electrical equipment is changeable, considering the convenience of electricity use, a power box is usually installed at a fixed location. The power box also uses phase wiring to set up sockets with different power requirements, such as three-phase 220V, single-phase 220V, or single-phase 110V, for plugging in electrical equipment of different voltages, and is limited by the power supply point Due to factors such as limited location or too far away, extension cords are often used when electricity is used in large temporary places to improve the convenience of electricity use of various electrical equipment;

However, the existing extension cords usually belong to a single-voltage design, that is, when they are plugged into a power supply of a certain voltage, their output is also a power supply corresponding to a certain voltage. However, as mentioned above, the application requirements of electrical equipment are different. , And based on electrical safety considerations, various electrical equipment will have different operating voltages, and because electrical equipment of different voltages are often used at the same time when working at the aforementioned site, users need to arrange multiple extension cords with different voltages on site. In order to meet the electricity demand of users. However, this will not only cause the repetitive wiring of the site to be messy, and make the site staff not If you stumble and fall, you may also encounter unexpected situations where users plug electrical equipment into extension cords with the wrong voltage, which seriously affects the overall safety of electricity use. Therefore, the aforementioned situation regarding large temporary electricity use places does need to be improved urgently, and how to solve the above problem The problems and deficiencies are the topics that the related industries urgently want to research and develop.

In view of this, in order to solve this problem, the creator has many years of rich experience in design and development and actual production in the related industry, and has researched and improved the existing structure and deficiencies. After continuous hard research and trial production, he finally successfully developed a The extension cord for multi-phase voltage conversion can overcome the troubles and inconveniences caused by repeatedly laying extension cords due to different voltages.

Therefore, the main purpose of this creation is to provide a multi-phase voltage conversion extension cord, so that a single line can be used for extension wiring, and it can provide a variety of different phase voltage sockets to improve the convenience of electricity use.

In addition, the second main purpose of this creation is to provide a multi-phase voltage conversion extension cord, which can reduce the number of unnecessary extension cables. In addition to the convenience of wiring, it can also ensure the safety of the working environment. Can improve its practicability.

Based on this, this creation is mainly through the following technical means to achieve the aforementioned purposes and effects, including:

A socket base body has a hollow shell, and one end of the shell is provided with a four-phase power plug connector for introducing power, and the shell is provided with a circuit breaker with a safety switch function, and at least two different Power socket of phase voltage;

A conductive cable, one end of which can be electrically connected to a four-phase power supply, and the other end of the conductive cable can be electrically connected to the four-phase power plug connector of the socket body;

A multi-phase circuit, which is set in the socket housing, the multi-phase circuit includes three phase wires connected to a four-phase power plug connector, a neutral wire and a The grounding wire can be used to electrically connect the four-phase power plug connector, the circuit breaker and the power sockets.

Therefore, through the specific realization of the above-mentioned technical means, the extension cord of the multi-phase source conversion of this creation can use the conversion design of the multi-phase circuit in the socket base, so that the four-phase power supply can form multiple different phases and different phases through a single circuit breaker. The voltage power socket allows users to choose according to their needs, so that only a single wiring can provide power options of multiple phases and voltages, which not only simplifies the number of temporary wiring in the workplace, but also improves the convenience and safety of the work environment. It can also improve the overall safety of electricity use and greatly enhance its practicability, thereby increasing the added value of the product and improving its economic benefits.

And this creation uses the following technical means to further achieve the aforementioned purposes and effects; such as:

The power socket of the socket base body may include two or a combination of at least one three-phase 220V power socket, at least one single-phase 220V power socket, and at least one single-phase 110V power socket.

The power socket of the socket base body may include a three-phase 220V power socket, a single-phase 220V power socket and three single-phase 110V power sockets, and the phase conductor and the neutral line of the multiphase circuit are electrically connected to the Circuit breaker, and the three-phase 220V power socket is electrically connected to the phase conductor, and the single-phase 220V power socket is electrically connected to any two phases of the phase conductor and the ground wire. As for the three single-phase 110V power sockets, they are electrically connected The ground wire is outside the neutral wire and is electrically connected to one phase of the phase wire to balance the output current of each phase output stage.

The shell of the socket base body has two opposite workpiece panels, and in cooperation with the multi-phase circuit, one of the workpiece panels is provided with a circuit breaker, a three-phase 220V power socket and three single-phase 110V power sockets. , And the work panel on the other side is equipped with a single-phase 220V power socket and three single-phase 110V power sockets.

The circuit breaker of the socket base body and each power socket respectively have a top cover that can be selectively closed to provide protection against dust and water.

The top cover of each power socket of the socket base body can have different colors for the user to identify the corresponding phase and voltage.

The conductive cable has a four-phase power plug connector corresponding to the four-phase power plug of the socket base, so that the conductive cable can be quickly and selectively plugged into the socket base.

The four-phase power plug connector of the conductive cable has an end cover that can be selectively closed to provide protection against dust and water.

The two ends of the shell of the socket base body are respectively provided with a four-phase power plug connector. The four-phase power plug connectors can have a male or female structure for electrical series connection with a conductive cable, and the conductive cable Both ends are respectively provided with a four-phase power plug connector opposite to the male and female four-phase power plug connectors of the socket base body to extend the use distance.

The socket base shell is different from the bottom surface with a supporting frame, so that the socket base body can be erected on the ground.

In order to enable your reviewer to further understand the composition, features and other purposes of this creation, the following is a list of some preferred embodiments of this creation, and detailed descriptions in conjunction with the drawings, while allowing those familiar with the technical field to be able to implement them in detail. .

10: Socket body

11: shell

12: Four-phase power plug connector

13: Workpiece panel

15: Circuit breaker

150: top cover

16: power socket

17: Three-phase 220V power socket

170: top cover

18: Single-phase 220V power socket

180: top cover

19: Single-phase 110V power socket

190: top cover

20: Guide cable

21: Four-phase power plug connector

210: end cap

50: Multiphase circuit

R, S, T: phase wire

N: Neutral

G: Ground wire

Figure 1: A schematic diagram of the three-dimensional appearance of a preferred embodiment of the extension cord for multi-phase voltage conversion in this invention.

The second figure: is a partial three-dimensional exploded schematic diagram of the preferred embodiment of the extension cord for multi-phase voltage conversion in this invention, for explaining the state of each component and the relative relationship.

The third picture: It is the best implementation of the extension cord of the multi-phase voltage conversion of this creation The side cross-sectional schematic diagram of the example is provided to illustrate the state of its composition and its relative relationship.

The fourth figure: is a schematic diagram of the circuit configuration of the preferred embodiment of the extension cord for multi-phase voltage conversion in this invention, for explaining the state of each component and the relative relationship.

Figure 5: is a schematic diagram of a three-dimensional appearance of another preferred embodiment of the extension cord for multi-phase voltage conversion of the present invention.

Figure 6: is a schematic view of the other side of the three-dimensional appearance of another preferred embodiment of the extension cord for multi-phase voltage conversion of the present invention.

Figure 7: It is a schematic diagram of the appearance of another preferred embodiment of the extension cord for multi-phase voltage conversion in actual use.

This creation is an extension cord for multi-phase voltage conversion. In the specific embodiments and components of this creation illustrated in the accompanying drawings, all about front and back, left and right, top and bottom, top and bottom, and horizontal and vertical The reference of is only used for the convenience of description, and does not limit this creation, nor does it limit its components to any position or spatial direction. The drawings and the size specified in the specification can be changed according to the design and requirements of this creation without departing from the scope of the patent application for this creation.

The composition of the extension cord for multi-phase voltage conversion in this creation is shown in the first, second and fifth figures. It includes a socket base (10), a conductive cable (20), and a socket base (10). ) Is composed of a multi-phase circuit (50), which can be used to provide power with multiple voltages such as three-phase 220V, single-phase 220V or single-phase 110V;

The detailed structure of the preferred embodiment of the extension cord of this creation is shown in the first, second and third figures, wherein the socket base body (10) has a hollow shell (11), and the shell One end of the body (11) is provided with a four-phase power plug connector (12) for introducing power, and the top of the housing (11) has a workpiece panel (13), and the workpiece panel (13) is provided with A circuit breaker with safety switch function (15)〔 Breaker), at least two power sockets (16) with different phase voltages, wherein the power sockets (16) may include at least one three-phase 220V power socket (17), at least one single-phase 220V power socket (18), at least Two or a combination of two or more of a single-phase 110V power socket (19), and the power socket (16) of the creative socket body (10) is a three-phase 220V power socket (17) and a single-phase power socket (17) 220V power socket (18) and three single-phase 110V power sockets (19) are the main embodiments, and the circuit breaker (15), three-phase 220V power socket (17), single-phase 220V power socket (18) and single-phase 110V power socket (19) are the main embodiments. Phase 110V power sockets (19) each have a top cover (150, 170, 180, 190) that can be selectively closed to provide protection against dust and water when not in use, to enhance electrical safety, and The aforementioned top cover (150, 170, 180, 190) can be printed with words or colors on the surface for the user to identify its corresponding phase and voltage;

In addition, one end of the conductive cable (20) has a four-phase power plug connector (21) corresponding to the four-phase power plug connector (12) of the socket base (10), so that the conductive cable (20) can use four-phase power plug connectors (12). The four-phase power plug connector (21) and the four-phase power plug connector (12) of the socket body (10) are selectively and quickly plugged in, and the four-phase power plug connector (21) has an end cover ( 210), when not in use, it can provide dust-proof and waterproof covering protection function to improve electricity safety, and the other end of the conductive cable (20) can be connected to a four-phase power supply, which can be a selective connection function Four-phase power plug connector (21), or directly connected to an external four-phase power supply in series;

The said multi-phase circuit (50) includes three phase wires (R, S, T) connected to the four-phase power plug connector (12), a neutral wire (N) and a ground wire (G), which It can be used to electrically connect the four-phase power plug connector (12), the circuit breaker (15) and each of the power sockets (16), and as shown in the fourth figure, the best implementation of the electrical connection of the multi-phase circuit (50) of this creation For example, the phase conductors (R, S, T) and the neutral line (N) are electrically connected to the circuit breaker (15), and the aforementioned three-phase 220V The power socket (17) is electrically connected to the phase conductors (R, S, T), and the aforementioned single-phase 220V power socket (18) is electrically connected to any two phases of the phase conductors (R, S, T) [Such as voltage wires (R, S)] and ground wires (G), as for the aforementioned three single-phase 110V power sockets (19), in addition to electrically connecting the ground wire (G) and the neutral wire (N), and Electrically connect one phase of the phase conductors (R, S, T), so that the output current of each phase output stage can be balanced to ensure the safety of electricity;

Thereby, power supplies of different phases and voltages can be provided, and the group constitutes a simple structure and high safety multi-phase voltage conversion extension line.

Through the design of the aforementioned structure of this creation, when it is actually used, it is as shown in the first and fourth pictures. In operation, the user only needs to connect the extension cord of this creation to a four-phase power supply with a lead wire (20) in series. , And lay the conducting cable (20) according to requirements to ensure the environmental safety of the place, and make the four-phase power plug connector (21) of the conducting cable (20) and the four-phase power supply of the socket body (10) The plug connector (12) is effectively inserted to form an electrical connection, so that it can be transmitted through the multi-phase circuit (50) in the socket body (10), so that the three-phase 220V power socket ( 17), single-phase 220V power socket (18) and single-phase 110V power socket (19) can respectively output power of different phases and voltages for plugging in corresponding electrical equipment, and users can further use the three-phase The words or colors on the top cover (150, 170, 180, 190) of 220V power socket (17), single-phase 220V power socket (18), and single-phase 110V power socket (19) can identify the phase and voltage they represent. Avoid plugging errors of electrical equipment, and further improve the safety of electricity use.

Furthermore, as shown in Figures 5, 6 and 7, which is another preferred embodiment of the extension cord of this invention, a four-phase power plug is provided at both ends of the housing (11) of the socket base body (10). Connectors (12, 12A). The four-phase power plug connectors (12, 12A) can be of male or female structure for electrical series connection with a conductive cable (20), and the two ends of the conductive cable (20) are respectively Have a male and female four with the socket body (10) described above Phase power plug connector (12, 12A) opposite four-phase power plug connector (21, 21A) to increase its use distance, and use the three phases of the multi-phase circuit (50) provided in the socket body (10) Wires (R, S, T), a neutral wire (N) and a ground wire (G) are wired, and a workpiece panel (13) can be respectively provided on the two opposite side surfaces of the socket body (10), And the workpiece panels (13) are respectively provided with a circuit breaker (15) with a safety switch function (Breaker), at least two power sockets (16) with different phases, wherein the power sockets (16) may include Two or a combination of at least one three-phase 220V power socket (17), at least one single-phase 220V power socket (18), and at least one single-phase 110V power socket (19), and this embodiment uses a socket The power socket (16) of the workpiece panel (13) on one side of the seat body (10) has a three-phase 220V power socket (17) and three single-phase 110V power sockets (19), and the other side of the workpiece panel (13) The power socket (16) has a single-phase 220V power socket (18) and three single-phase 110V power sockets (19) as main embodiments to provide users with more plug-in requirements for electrical equipment;

And according to some embodiments, the bottom surface of the socket body (10) housing (11) is different from the aforementioned workpiece panel (13) with a support frame (30), so that the socket body (10) can be erected on the ground , To enhance the safety and convenience of use, and the support frame (30) can be composed of at least one of the two gussets (31) and the bottom edges of the two gussets (31) opposite to each other on the bottom surface of the housing (11). The support rod (32) is formed so that the socket base body (10) can be stably installed on the ground through the support frame (30), which has the effect of convenient movement and installation.

From the above structure and operating instructions, it can be known that the multi-phase source conversion extension cord of this creation can use the conversion design of the multi-phase circuit (50) in the socket base (10), so that the four-phase power supply can pass through a single circuit breaker (15) Form multiple power sockets (16) of different phases and voltages, such as three-phase 220V power sockets (17), single-phase 220V power sockets (18) and single-phase 110V power sockets (19), so that users can request Need to choose, so that only a single wiring can provide a variety of power options with different phase voltages, which not only simplifies the number of temporary wiring in the workplace, improves the convenience and safety of the work environment, but also improves the overall electrical safety , Greatly enhance its practicality.

From this, it can be understood that this creation is an extremely creative creation, in addition to effectively solving the problems faced by the habitists, it has greatly improved the efficiency, and there is no identical or similar product creation or public use in the same technical field. At the same time, it has the enhancement of efficacy, so this creation has met the "novelty" and "progressive" requirements of the new patent, and the application for the new patent is filed in accordance with the law.

10: Socket body

11: shell

12: Four-phase power plug connector

15: Circuit breaker

150: top cover

16: power socket

17: Three-phase 220V power socket

170: top cover

18: Single-phase 220V power socket

180: top cover

19: Single-phase 110V power socket

190: top cover

20: Guide cable

21: Four-phase power plug connector

Claims (10)

An extension cord for multi-phase voltage conversion, which includes: A socket base body has a hollow shell, and one end of the shell is provided with a four-phase power plug connector for introducing power, and the shell is provided with a circuit breaker with a safety switch function and at least Two power sockets with different phase voltages; A conductive cable, one end of which can be electrically connected to a four-phase power supply, and the other end of the conductive cable can be electrically connected to the four-phase power plug connector of the socket body; A multi-phase circuit, which is arranged in the socket body, the multi-phase circuit includes three phase wires connected to a four-phase power plug connector, a neutral wire and a ground wire, which can be used to electrically connect the four-phase power plug connector , Circuit breakers and the power sockets; The power sockets can provide power with different phases and different voltages. The extension cord for multi-phase voltage conversion as described in claim 1, wherein the power socket of the socket base body may include at least one three-phase 220V power socket, at least one single-phase 220V power socket, and at least one single-phase 110V power socket. Two or a combination of two or more of them. The multi-phase voltage conversion extension cord described in claim 1 or 2, wherein the power socket of the socket body can include a three-phase 220V power socket, a single-phase 220V power socket and three single-phase 110V power sockets, In the multi-phase circuit, the phase conductor and the neutral line are electrically connected to the circuit breaker, and the three-phase 220V power socket is electrically connected to the phase conductor, and the single-phase 220V power socket is electrically connected to the phase conductor. Any two-phase and ground wires, as for the three single-phase 110V power sockets, are electrically connected to the ground wire and the neutral wire, and are electrically connected to one phase of the phase wire to balance the output current of the output stage of each phase. The extension cord for multi-phase voltage conversion according to claim 1 or 2, wherein the housing of the socket body has two opposite workpiece panels, and in cooperation with the multi-phase circuit, one of the workpiece panels is provided with an open circuit A three-phase 220V power socket and three single-phase 110V power sockets, and a single-phase 220V power socket and three single-phase 110V power sockets are provided on the workpiece panel on the other side. The extension cord for multi-phase voltage conversion according to claim 1 or 2, wherein the circuit breaker of the socket base and each of the power sockets each have a top cover that can be selectively closed to provide protection against dust and water . The extension cord for multi-phase voltage conversion according to claim 4, wherein the top cover of each power socket of the socket base body can have a different color for the user to identify the corresponding phase and voltage. The extension cord for multi-phase voltage conversion according to claim 1, wherein the conductive cable has a four-phase power plug connector corresponding to the four-phase power plug of the socket base, so that the conductive cable and the socket base can be selected Quick docking. The extension cord for multi-phase voltage conversion according to claim 1, wherein the four-phase power plug connector of the conductive cable has an end cover that can be selectively covered to provide protection against dust and water. The extension cord for multi-phase voltage conversion as described in claim 1, wherein a four-phase power plug connector is respectively provided at both ends of the shell of the socket base body, the The four-phase power plug connector can be a male or female structure for electrical series connection with a conductive cable, and the two ends of the conductive cable respectively have a four-phase power plug connector opposite to the male and female four-phase power plug connectors of the aforementioned socket body. Phase power plug connector to extend its use distance. The extension cord for multi-phase voltage conversion according to claim 1 or 2 or 7 or 9, wherein the socket base shell is different from the bottom surface with a support frame for the socket base to be erected on the ground.

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