CN216121092U

CN216121092U - Power supply extension line device

Info

Publication number: CN216121092U
Application number: CN202122598823.7U
Authority: CN
Inventors: 金旭伸
Original assignee: Dongguan Shun Wei Electronics Industry Co ltd
Current assignee: Dongguan Shun Wei Electronics Industry Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-03-22
Anticipated expiration: 2031-10-27

Abstract

The utility model provides a power supply extension cord device which comprises a socket part, a plug part and a power cord. The socket part comprises a socket shell, a display, at least one alternating current socket, at least one direct current socket, an alternating current-to-direct current power supply module and at least one power switch. The socket shell is provided with a plugging surface, and the plugging surface is provided with at least one alternating current jack and at least one direct current jack. The display is arranged in the plug-in surface of the socket shell. The power line is electrically connected with the socket part and the plug part. The socket shell is provided with a placing surface deviating from the plugging surface, and an inner included angle smaller than a right angle is formed between the normal direction of the plugging surface and the placing surface. Through the structural improvement of the power supply extension line device, a user can conveniently plug plugs of other electrical appliances and can conveniently inspect the state of the power supply extension line device through a display.

Description

Power supply extension line device

Technical Field

The present invention relates to a power extension cord device, and more particularly, to a power extension cord device having an inner angle smaller than a right angle between a normal direction of a plugging surface and a mounting surface.

Background

In the extension cord sold on the market, the socket part is usually a rectangular cube, so that a user may not easily move the extension cord for stability in use, and the side face of the socket is placed against a wall surface or other vertical faces in a use space.

However, because the socket is a rectangular cube, the upper surface of the socket is parallel to the ground, so that when a plug of another electrical appliance is installed, a user needs to insert the plug at a vertical angle, and if the extension line is provided with the display screen, the upper surface is parallel to the ground, and the information displayed by the display screen is not easy to see due to light reflection. Therefore, the existing structure needs to be improved to further improve the convenience in use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a power supply extension line device, which has an inner included angle smaller than a right angle between the normal direction of a plugging surface and a placing surface, so that a user can conveniently plug plugs of other electrical appliances through the structural improvement of the power supply extension line device, the state of the power supply extension line device can be conveniently inspected through a display, and the practicability of the power supply extension line device is improved.

In order to achieve the above object, the present invention discloses a power extension cord device, which includes a socket portion, a plug portion and a power cord. The socket part comprises a socket shell, a display, at least one AC socket, at least one DC socket, an AC-to-DC power module and at least one power switch. The socket shell is provided with an inserting surface, and the inserting surface is provided with at least one Alternating Current (AC) jack and at least one Direct Current (DC) jack. The display is disposed in the insertion surface of the socket housing. The at least one AC outlet and the at least one DC outlet are disposed within the outlet housing corresponding to the at least one Alternating Current (AC) jack and the at least one Direct Current (DC) jack, respectively. The at least one AC outlet and the at least one DC outlet are disposed within the outlet housing corresponding to the at least one Alternating Current (AC) jack and the at least one Direct Current (DC) jack, respectively. The AC-to-DC power module is arranged in the socket shell and is electrically connected with the at least one DC socket. The at least one power switch is arranged on the socket shell corresponding to the at least one AC socket and is electrically connected with the at least one AC socket for opening and closing the at least one AC socket. The plug part is provided with a plug shell and a plurality of plug terminals which are convexly arranged on the plug shell. The power cord connects the socket portion and the plug portion. The socket shell is provided with a placing surface deviating from the plugging surface, and an inner included angle smaller than a right angle is formed between the normal direction of the plugging surface and the placing surface

Further preferably, an inner included angle between the normal direction of the inserting surface and the placing surface is 30-60 degrees.

Further preferably, the socket housing has a support surface facing away from the plugging surface, and an inner included angle smaller than a right angle is formed between the plugging surface and the support surface.

Further preferably, an inner included angle between the placing surface and the supporting surface is 90 degrees.

It is further preferred that the socket housing has a bottom surface facing away from the plug surface, the bottom surface being located between the support surface and the placement surface.

Further preferably, the socket part further comprises a voltage sensor disposed in the socket housing, the voltage sensor is electrically connected to the display, and displays the voltage output or input state of the power supply through the display.

Further preferably, the socket part further comprises a current sensor disposed in the socket housing, the current sensor is electrically connected to the display, and displays a current output or input state of the power supply through the display.

Further preferably, the socket part further comprises a temperature and humidity sensor arranged in the socket shell, the temperature and humidity sensor is electrically connected with the display, and the temperature and humidity state of the environment is displayed through the display.

Further preferably, the socket part further includes a main power switch disposed in the insertion surface of the socket housing, and the main power switch is electrically connected to the at least one AC socket and the at least one DC socket for switching a power supply.

Further preferably, the socket part further comprises an automatic power-off device arranged in the socket shell, and the automatic power-off device is powered off in a wireless remote control mode.

According to the embodiment of the utility model, the power supply extension line device is structurally improved, so that an inner included angle smaller than a right angle is formed between the normal direction of the plugging surface and the placing surface, a user can conveniently plug plugs of other electrical appliances, the user can conveniently inspect the state of the power supply extension line device through a display, the actual use condition is effectively mastered, and the practicability of the extension line is improved.

To further understand the features and technical means of the present invention, and to achieve the specific functions and objectives, specific embodiments are described in detail with reference to the drawings and figures.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a perspective view of a power extension line device according to an embodiment of the utility model.

Fig. 2 is a top view of a power extension cord device with the plug surface facing upward according to an embodiment of the present invention.

Fig. 3 is a side view of a power extension cord device with the plug side facing down according to an embodiment of the present invention.

Fig. 4 is a side view of a power extension cord device with the plug side up according to an embodiment of the present invention.

Fig. 5 is a bottom view of the power extension line device according to the embodiment of the present invention.

Fig. 6 is a left side view of a power extension cord device in accordance with an embodiment of the present invention.

Fig. 7 is a right side view of a power extension cord device in accordance with an embodiment of the present invention.

FIG. 8 is a schematic perspective view of a power extension cord device of an embodiment of the present invention with the side of the power extension cord facing downward when in use

Fig. 9 is a left side view of the power extension line device of fig. 8 viewed from a direction a in a use state.

Fig. 10 is a circuit block diagram of a power extension line device according to an embodiment of the utility model.

Detailed Description

The following description is provided by way of example, and is not intended to limit the utility model to any particular environment, application, or particular form set forth in the specification. Therefore, the description of the embodiments is for the purpose of illustration only, and not for the purpose of limitation. It should be noted that in the following embodiments and drawings, components not directly related to the present invention are omitted and not shown, and the dimensional relationship between the components in the drawings is only for easy understanding and is not intended to limit the actual scale.

The following description of the embodiments refers to the accompanying drawings, which illustrate specific embodiments in which the utility model may be practiced. Directional phrases used in connection with the present invention, such as "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "horizontal," "vertical," and the like, refer only to the orientation of the appended drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention.

The drawings provided in the embodiments of the present invention are only for illustrating the basic idea of the present invention, and although the drawings only show the components related to the present invention and are not drawn according to the number, shape and size of the components in actual implementation, the type, number and ratio of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.

When an element is referred to as being "on" or "connected to" another element, it can be directly on or connected to the other element or intervening elements may also be present. Other words used to describe the relationship between components should be interpreted in a similar manner.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic perspective view of an embodiment of a power extension line device 100 according to the present invention, and fig. 2 is a top view of the power extension line device 100 with a plugging surface facing upward. In this embodiment, the power extension cord device 100 includes a socket 10, a plug 30, and a power cord 20. The socket portion 10 includes a socket housing 11, a display 12, at least one AC socket 13 and at least one DC socket 14, an AC-to-DC power module 15, and at least one power switch 16. The power cord 20 connects the socket portion 10 and the plug portion 30.

Referring to fig. 1 and fig. 2, in the present embodiment, the socket housing 11 has a plugging surface 111, and the plugging surface 111 is provided with at least one Alternating Current (AC) jack 17 and at least one Direct Current (DC) jack 18. The alternating current AC jack 17 and the direct current DC jack 18 penetrate the insertion surface 111. The display 12 is disposed in the insertion surface 111 of the socket housing 11. As shown in fig. 2, in the present embodiment, the AC socket 13 and the DC socket 14 are respectively disposed in the socket housing 11 corresponding to the AC jack 17 and the DC jack 18.

The number of AC sockets 13 and AC jacks 17 in fig. 2 is 4, and the specification is 3-hole flush-mounted earth socket, but the present invention does not limit the number of AC sockets 13 and AC jacks 17, nor the specification of the sockets. In some embodiments, the number of AC sockets 13 and AC jacks 17 may be at least one other number, and the socket specification may be a standard specification applicable to various countries.

In fig. 2, the number of the DC sockets 14 and the DC sockets 18 is 3, and the specification is 2 embedded USB charging sockets and 1 embedded USB Power Delivery quick charging socket, but the present invention does not limit the number of the DC sockets 14 and the DC sockets 18, and does not limit the specification of the sockets. In some embodiments, the number of DC sockets 14 and DC jacks 18 may be other than at least one, and the socket specification may be a standard specification applicable in various countries.

Referring to fig. 2, in the present embodiment, the AC-to-DC power module 15 is disposed in the socket housing 11 and electrically connected to the at least one DC socket 14. The AC-to-DC power module 15 is preferably a common voltage reduction module with short circuit and overload protection, and is electrically connected to the DC socket 14, so that the DC socket 14 can be used as a battery charger.

It can be seen from the above that, the power extension cord device 100 of this embodiment has the AC socket 13 and the DC socket 14 simultaneously, except that can support general electrical apparatus used in the normal life, can support multiple USB device to charge again, promotes the practicality and the flexibility ratio of power extension cord device 100, and AC changes DC power module 15 and has overload protection function, effectual improvement security.

Next, as shown in fig. 2, in this embodiment, the at least one power switch 16 is disposed on the socket housing 11 corresponding to the at least one AC socket 13, and is electrically connected to the at least one AC socket 13 for turning on and off the at least one AC socket 13. In fig. 2, the power switch 16 is disposed corresponding to each of the AC power AC jack 17 and the AC socket 13 and is disposed on the plugging surface 111 of the socket housing 11, but the present invention does not limit the position of the power switch 16 and the relative positions of the power switch 13 and each of the AC power AC jack 17 and the AC socket 13. In some embodiments, the power switch 16 may be disposed at other positions of the socket housing 11, and is not necessarily disposed on the insertion surface 111 of the socket housing 11 together with the alternating current AC insertion hole 17, and the power switch 16 may be correspondingly disposed at other sides of the socket housing 11.

Referring to fig. 3 to 5, there are respectively illustrated schematic perspective views of a power extension cord device 100 according to an embodiment of the present invention, in which the plugging surface 111 faces downward, upward, and rearward, and the relative positions of other components can be better understood through these three views. In this embodiment, the plug portion 30 has a plug housing 31 and a plurality of plug terminals 32 protruding from the plug housing 31. According to the plug terminals 32 in fig. 5, it can be known that the specification of the plug portion 30 is a american standard three-phase plug, and the number of the plug terminals 32 is 3, but the specification of the plug portion 30 and the number of the plug terminals 32 are not limited in the present invention. In some embodiments, the specification of the plug portion 30 may be a standard specification applicable to each country, and the number of the plug terminals 32 may be two or more.

Next, please refer to fig. 6 and fig. 7, which are schematic perspective views of the power extension cord device 100 according to the embodiment of the present invention when viewed from the left and right sides, respectively. In this embodiment, the socket housing 11 has a placing surface 112 facing away from the inserting surface 111, and an inner included angle α smaller than a right angle is formed between the direction of the normal L1 of the inserting surface 111 and the placing surface 112. According to some embodiments of the present invention, an included angle α between a normal L1 of the inserting surface 111 and the placing surface 112 is 30-60 degrees, and the present invention does not limit the included angle α, and preferably ranges from 30-60 degrees, so that the inserting surface 111 does not appear parallel to the ground.

As shown in fig. 7, in the present embodiment, the socket housing 11 has a supporting surface 113 facing away from the inserting surface 111, an inner included angle β smaller than a right angle is formed between the inserting surface 111 and the supporting surface 113, and an inner included angle γ between the placing surface 112 and the supporting surface 113 is 90 degrees.

Referring to fig. 6 and fig. 7, in the present embodiment, the socket housing 11 has a bottom surface 114 facing away from the inserting surface 111, and the bottom surface 114 is located between the supporting surface 113 and the placing surface 112. The present invention is not limited to having the bottom surface 114, and in some embodiments, the placing surface 112 is connected to the supporting surface 113. The socket housing 11 has a side surface 115 perpendicular to the insertion surface 111, and the side surface 115 is located between the insertion surface 111 and the supporting surface 113 or the placing surface 112. The present invention is not limited to having the side surface 115, and in some embodiments, the placing surface 112 is directly connected to the supporting surface 113.

Specifically, please refer to fig. 8 and fig. 9, which illustrate the placement status of the power extension cord device 100 according to the present invention. As shown in fig. 8 and 9, the user will place the placing surface 112 of the receptacle housing 11 on the ground or plane in the use space, and the supporting surface 113 can be against the vertical surface in the use space, but through the structural improvement of the present invention, the plugging surface 111 of the receptacle housing 11 is not parallel to the floor or plane, so that the user does not have to use a vertical manner when plugging plugs of other electrical appliances, and can clearly see the display 12 installed on the receptacle housing 11, thereby overcoming the problem that the display 12 can not easily read information due to light reflection.

In summary, according to the embodiment of the present invention, the power extension cord device 100 is structurally improved to have an inner included angle smaller than a right angle between the direction of the normal line L1 of the plugging surface 111 and the placing surface 112, so that a user can conveniently plug plugs of other electrical appliances, and the user can conveniently check the state of the power extension cord device 100 through the display 12, thereby effectively grasping the actual use condition and improving the practicability.

As shown in fig. 2, the socket portion 10 further includes a main power switch 19 disposed in the insertion surface 111 of the socket housing 11, and the main power switch 19 is electrically connected to the at least one AC socket 13 and the at least one DC socket 14 for switching power.

As shown in fig. 1 and fig. 2, in the embodiment, the display 12 is disposed on the plugging surface 111 of the socket housing 11, but the position of the display 12 is not limited in the present invention. In some embodiments, the display 12 may be disposed at other locations of the socket housing 11, such as on the side 115 of the socket housing 11, or between the AC receptacle 14 and the DC receptacle 15. The present invention is not limited to the type of display 12. In some embodiments, the display 12 may be a touch screen type, which is capable of operating various functions directly on the display 12, or alternatively, a key may be additionally provided to switch the display of the display 12 or to set various additional functions of the power extension cord apparatus 100.

The manner in which the information is displayed by display 12 and the associated additional functions of power extension cord apparatus 100 of the present invention are applied will be described in detail below. Referring to fig. 10, fig. 10 is a block diagram illustrating the electrical connection between the components.

Referring to fig. 6, in the present embodiment, a circuit board 40 is disposed inside the socket portion 10. According to an embodiment of the present invention, the socket part 10 further includes a voltage sensor 41 disposed on the circuit board 40 in the socket housing 11, wherein the voltage sensor 41 is electrically connected to the display 12, and can display the voltage output or input state of the power supply through the display 12. The voltage sensor 41 is a sensor that can sense the voltage to be measured and convert the voltage into a usable output signal, so as to monitor the voltage value passing through the power line 20 in real time. Furthermore, in some embodiments, the main power switch 19 is electrically connected to the circuit board 40, and the display 12 has a setting function, so that the main power switch 19 can be set to be turned off at this time by setting the display 12, such as short circuit, because the voltage value of the power line 20 is sharply reduced, thereby effectively ensuring the safety of the power extension cord device 100.

According to another embodiment of the present invention, the socket part 10 further includes a current sensor 42 disposed on the circuit board 40 in the socket housing 11, wherein the current sensor 42 is electrically connected to the display 12, and can display the current output or input status of the power supply through the display 12. The current sensor 42 is a detecting device, which can sense the information of the current to be detected, and can convert the sensed information into an electrical signal meeting certain standards or other information in a required form according to a certain rule for output, so as to facilitate real-time monitoring of the current value passing through the power line 20. Furthermore, in some embodiments, the main power switch 19 is electrically connected to the circuit board 40, and the display 12 has a setting function, so that the main power switch 19 can be set to be turned off at this time by setting the display 12, such as short circuit, because the current value passing through the power cord 20 is sharply reduced, thereby effectively ensuring the safety of the power extension cord device 100.

According to another embodiment of the present invention, the socket portion 10 further includes a temperature and humidity sensor 43 disposed on the circuit board 40 in the socket housing 11, wherein the temperature and humidity sensor 43 is electrically connected to the display 12, and can display the temperature and humidity state of the environment through the display 12. The temperature and humidity sensor 43 is a sensor device equipped with humidity-sensitive and heat-sensitive components and capable of measuring temperature and humidity, and facilitates real-time monitoring of the temperature and humidity of the use environment. Furthermore, in some embodiments, the main power switch 19 is electrically connected to the circuit board 40, and the display 12 has a setting function, so that the main power switch 19 can be immediately turned off by setting the display 12, such as when the temperature or humidity is abnormal, thereby effectively ensuring the safety of the power extension cord device 100.

As can be seen from the above, in the present embodiment, the socket portion 10 further includes at least one of a voltage sensor 41, a current sensor 42 and a temperature/humidity sensor 43, which are disposed in the socket housing 11 and electrically connected to the display 12 to serve as additional functions, so that the display 12 can display the relevant information in the environment for the user to refer to. Furthermore, in some embodiments, the display 12 may be configured to set each of the additional functions to immediately turn off the main power switch 19 in case of short circuit or abnormal temperature and humidity, so as to improve the safety in use.

According to an embodiment of the present invention, the socket part 10 further includes an automatic power-off device 44 disposed in the socket housing 11, and the automatic power-off device 44 is powered off by a wireless remote control. Specifically, the automatic power-off device 44 is disposed on the circuit board 40 in the socket housing 11 and electrically connected to the main power switch 19. Be provided with infrared ray, bluetooth or wi-fi's receiver in the auto-power-off device 44, can set for the flow of auto-power-off through the remote controller of collocation or the APP of cell-phone. Furthermore, in other embodiments, the power extension cord device may be electrically connected to at least one of the aforementioned voltage sensor 41, current sensor 42 and temperature/humidity sensor 43, so that a user may read the instant information of the power extension cord device 100 through other interfaces, and even set various additional functions through other interfaces, and power off is performed through a wireless remote control, thereby further improving safety in use.

According to an embodiment of the present invention, the socket part 10 may be further provided with an overcurrent protector on the circuit board 40, which is disposed inside the socket housing 11, and an overcurrent protection reset switch, which is disposed on the socket housing 11 and electrically connected to the power switch 13. The present invention does not impose limitations on the position of the overcurrent protection reset switch. In some embodiments, the overcurrent protection reset switch may be disposed on the insertion surface 111 of the socket housing 11, or may be disposed at another position of the socket housing 11, and only needs to be electrically connected to the power switch 13.

While the foregoing is directed to embodiments of the present invention, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.

Claims

1. A power extension cord apparatus, comprising: a socket portion, the socket portion comprising:

the socket comprises a socket shell and a socket shell, wherein the socket shell is provided with a plugging surface, and the plugging surface is provided with at least one alternating current jack and at least one direct current jack;

a display disposed in the mating face of the receptacle housing;

at least one AC electrical receptacle and at least one DC electrical receptacle disposed within the receptacle housing corresponding to the at least one AC electrical receptacle and the at least one DC electrical receptacle, respectively;

the AC-to-DC power supply module is arranged in the socket shell and is electrically connected with the at least one DC socket; and

the power switch is arranged on the socket shell corresponding to the at least one alternating current socket and is electrically connected with the at least one alternating current socket so as to open and close the at least one alternating current socket;

the plug part is provided with a plug shell and a plurality of plug terminals which are convexly arranged on the plug shell; and

a power cord connecting the socket part and the plug part;

the socket shell is provided with a placing surface deviating from the plugging surface, and an inner included angle smaller than a right angle is formed between the normal direction of the plugging surface and the placing surface.

2. The power extension cord device of claim 1 wherein an inner angle between a normal direction of said mating surface and said mounting surface is between 30 and 60 degrees.

3. The power extension cord device of claim 1, wherein said receptacle housing has a support surface facing away from said mating surface, said mating surface and said support surface having an internal included angle therebetween that is less than a right angle.

4. The power extension cord device of claim 3, wherein an internal included angle between the placement surface and the support surface is 90 degrees.

5. The power extension cord device of claim 3, wherein said receptacle housing has a bottom surface facing away from said mating surface, said bottom surface being located between said support surface and said placement surface.

6. The power extension cord device of claim 1, wherein the receptacle portion further comprises a voltage sensor disposed within the receptacle housing, the voltage sensor being electrically connected to the display and displaying the status of the voltage output or input of the power source through the display.

7. The power extension cord device of claim 1, wherein the receptacle portion further comprises a current sensor disposed within the receptacle housing, the current sensor being electrically connected to the display and displaying the status of the current output or input of the power source via the display.

8. The power extension cord device of claim 1, wherein the receptacle portion further comprises a temperature and humidity sensor disposed in the receptacle housing, the temperature and humidity sensor being electrically connected to the display and displaying a temperature and humidity state of an environment via the display.

9. The power extension cord device of claim 1, wherein the receptacle portion further comprises:

and the main power switch is arranged in the plug-in surface of the socket shell and is electrically connected with the at least one alternating current socket and the at least one direct current socket for switching on and off a power supply.

10. The power extension cord device of claim 1, wherein the receptacle portion further comprises an auto-power-off device disposed within the receptacle housing, the auto-power-off device powering off by way of a wireless remote control.