CN212991495U

CN212991495U - Power plug capable of indicating current magnitude

Info

Publication number: CN212991495U
Application number: CN202021647486.5U
Authority: CN
Inventors: 申胜成; 陈清; 宋正伟
Original assignee: Wuxi Guofeng Electronic Technology Co ltd
Current assignee: Wuxi Guofeng Electronic Technology Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-04-16
Anticipated expiration: 2030-08-10

Abstract

The utility model provides a can instruct power plug of electric current size, it can instruct the electric current size through the LED lamp, conveniently knows the real-time current size of power plug connection's consumer, improves the power consumption safety, is provided with current display unit on the supply socket body, and current display unit is connected with live wire plug and zero line plug respectively, and current display unit includes automatically controlled connection: the sampling module is respectively connected with the live wire plug and the zero line plug and is used for sampling the current of the electric equipment connected with the power plug; the control module is connected with the sampling module and is also electrically connected with the display module; the display module comprises a plurality of LED lamps, and the control module controls different LED lamps to emit light according to the current data collected by the sampling module; and the power supply module is respectively connected with the control module and the display module and used for supplying power to the control module and the display module.

Description

Power plug capable of indicating current magnitude

Technical Field

The utility model relates to an electronic components technical field, in particular to power plug that can instruct electric current size.

Background

The power plug is a device for connecting devices such as electric appliances to a power supply, and the power socket and the plug are different in appearance, grade, size and type according to different countries and regions, and are different according to the power plugs used by different electric appliances.

At present, when power plug connects high-power equipment, when the electric current that passes through is too big, it has the potential safety hazard, and some equipment itself is not from taking the current detection function at present, in order to ensure the safety of power consumption, or need know the real-time load condition of equipment again, and it is comparatively troublesome to install current detection's module additional on equipment, and different equipment need repeated change design, and is with high costs, and the commonality is poor, for this reason, we propose one kind can instruct the power plug of electric current size.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a can instruct power plug of electric current size, it can be through LED lamp instruction electric current size, and the power consumption safety is improved to the real-time electric current size of the consumer of conveniently understanding power plug connection.

The technical scheme is as follows: the utility model provides a can instruct power plug of electric current size, includes the power plug body, the power plug body is connected with live wire plug and zero line plug at least, the live wire plug with the zero line plug can be connected with supply socket, its characterized in that: still set up the current display unit on the supply socket body, the current display unit respectively with the live wire plug with the zero line plug is connected, the current display unit includes that automatically controlled connects:

the sampling module is respectively connected with the live wire plug and the zero line plug and is used for sampling the current of the electric equipment connected with the power plug;

the control module is connected with the sampling module and is also in electric control connection with the display module;

the display module comprises a plurality of LED lamps, and the control module controls different LED lamps to emit light according to the current data collected by the sampling module;

and the power supply module is respectively connected with the control module and the display module and used for supplying power to the control module and the display module.

Further, the sampling module includes an interface J1 connected to the live wire plug, an interface J1 is connected to an interface J3 after being connected to a resistor R7, the interface J3 is connected to the live wire plug, and the interface J1 is also grounded after being connected to a resistor R8 and a resistor R9.

Further, the power supply module comprises a rectifier diode D3 connected between an interface J3 and a resistor R7, one end of the rectifier diode D3 is grounded, the other end of the rectifier diode D3 is sequentially connected with a diode D2, a resistor R5 and a resistor R6 and then connected to a 2-port of a regulator U2, the model of the regulator U2 is 7533-1, a regulator D4 and a capacitor C5 which are connected in parallel are further connected between the resistor R6 and the 2-port of the regulator U2, the regulator D4 and the capacitor C5 are respectively grounded, a 1-port of the regulator U2 is grounded, a 3-port of the regulator U2 is grounded after being connected with a capacitor C4, a 3-port of the regulator 686u 9 can output a power supply VCC, and the interface J2 is further connected to one end of a diode D2 after being connected with a resistor R4 and a capacitor C3 which are connected.

Further, the control module includes controller U1, and controller U1's model is PFC232, power VCC is connected to 1 port of controller U1, 8 port ground of controller U1, 1 port and 8 port direct connections of controller U1 have electric capacity C1, 5 ports of controller U1 are connected to between resistance R8 and the resistance R9 of sampling module and ground connection behind connecting capacity C2, 2 ports of controller U1 connect in proper order connect power VCC behind resistance R3, the LED lamp Y of display module, connect power VCC behind 6 ports of controller U1 connect in proper order the resistance R2 of display module, the LED lamp G, connect power VCC behind the 7 ports of controller U1 connect the resistance R1 of display module, the LED lamp R.

Further, when the current that the sampling module gathered is 0A-13A, control module control LED lamp G lights, when the current that the sampling module gathered is 13A-15A, control module control LED lamp Y lights, when the current that the sampling module gathered is greater than 15A, control module control LED lamp R lights.

Further, the LED lamp G is a green lamp, the LED lamp Y is a yellow lamp, and the LED lamp R is a red lamp.

Further, the power plug body comprises a transparent shell, and the LED lamp of the current display unit can emit light through the power plug body.

Furthermore, the power plug also comprises a ground wire plug connected with the power plug body.

The utility model discloses a can instruct power plug of electric current size, it is through built-in current display unit, current display unit passes through sampling module and connects live wire plug and zero line plug, a current for to the consumer that power plug connects is sampled, the electric current that sampling module gathered is known the back by the control module, control module is according to the current data that sampling module gathered, the different LED lamps of control display module are luminous, when the electric current is normal, can shine through the green light and represent that the electric current is normal, when the electric current size is in alert state, can shine through the yellow light and represent that the electric current size needs alert, when the electric current is too big, can often shine through the red light and represent that the electric current is unusual, shine through the different LED lamp and show different states of electric current, thereby ensure the power consumption safety, also conveniently know the load condition of consumer; in addition, the power plug body can be arranged into the transparent shell, so that the LED lamp can be conveniently displayed, and meanwhile, the attractiveness of the power plug can be improved.

Drawings

Fig. 1 is a block diagram showing a current display unit of a power plug capable of indicating the magnitude of current according to the present invention;

fig. 2 is a schematic circuit diagram of the current display unit of the power plug capable of indicating the magnitude of the current according to the present invention.

Detailed Description

The technical solutions of the present invention are described below clearly and completely, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those elements explicitly listed, but may include other elements not expressly listed or inherent to such article or apparatus.

In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

The utility model discloses a can instruct electric current magnitude power plug, including the power plug body, the power plug body is connected with live wire plug and zero line plug at least, live wire plug and zero line plug can be connected with supply socket, the shape of power plug, the shape setting of live wire plug and zero line plug can be designed according to the standard of each country, it is not restricted here, use each country's standard as the standard to be accurate, in addition according to actual conditions, the power plug body still can be provided with the ground wire plug in some embodiments, still set up the current display unit on the power socket body, the current display unit is connected with live wire plug and zero line plug respectively;

referring to fig. 1, in the present embodiment, the current display unit includes electrically connected:

the sampling module 100 is connected with the live wire plug and the zero line plug respectively, and is used for sampling the current of the electric equipment connected with the power plug;

the control module 200 is connected with the sampling module 100, and the control module 200 is also electrically connected with the display module 300;

the display module 300, the display module 300 includes several LED lamps, the control module 200 controls different LED lamps to emit light according to the current data collected by the sampling module 100;

and the power supply module 400, the power supply module 400 is respectively connected with the control module 200 and the display module 300, and is used for supplying power to the control module 200 and the display module 300.

Referring to fig. 2, in this embodiment, the sampling module 100 includes an interface J1 connected to a live wire plug, an interface J1 is connected to an interface J3 after being connected to a resistor R7, an interface J3 is connected to the live wire plug, and an interface J1 is also connected to ground after being connected to a resistor R8 and a resistor R9.

Specifically, in this embodiment, the power supply module 400 includes a rectifier diode D3 connected between the interface J3 and the resistor R7, one end of the rectifier diode D3 is grounded, the other end of the rectifier diode D3 is connected in sequence with a diode D2, a resistor R5, and a resistor R6, and then connected to the 2-port of the regulator U2, the model of the regulator U2 is 7533-1, a voltage regulator D4 and a capacitor C5 connected in parallel are further connected between the resistor R6 and the 2-port of the regulator U2, the voltage regulator D4 and the capacitor C5 are grounded, the 1-port of the regulator U2 is grounded, the 3-port of the regulator U2 is grounded after being connected to the capacitor C4, the 3-port of the regulator U2 is capable of outputting a power VCC, the interface J2 is further connected to one end of the diode D2 after being connected to the resistor R4 and the capacitor C3 connected in parallel, a 220V ac voltage input by a live wire, then the voltage is input into a voltage stabilizer after passing through a voltage stabilizing tube, and the output VCC is 3.3V.

Specifically, in this embodiment, the control module 200 includes a controller U1, the model of the controller U1 is PFC232, a port 1 of the controller U1 is connected to the power VCC, a port 8 of the controller U1 is grounded, a port 1 and a port 8 of the controller U1 are directly connected to a capacitor C1, a port 5 of the controller U1 is connected between a resistor R8 and a resistor R9 of the sampling module 100 and is grounded after being connected to a capacitor C2, a port 2 of the controller U1 is sequentially connected to a resistor R3 of the display module 300 and a power VCC after being connected to the LED lamp Y, a port 6 of the controller U1 is sequentially connected to a resistor R2 of the display module 300 and a power VCC after being connected to the LED lamp G, and a port 7 of the controller U1 is connected to a resistor R1 of the display module 300 and a power VCC after being connected to the LED lamp R.

In this embodiment, the LED lamp G is a green lamp, the LED lamp Y is a yellow lamp, the LED lamp R is a red lamp, when the current collected by the sampling module is 0A-13A, the control module controls the LED lamp G to be turned on, when the current collected by the sampling module is 13A-15A, the control module controls the LED lamp Y to be turned on, and when the current collected by the sampling module is greater than 15A, the control module controls the LED lamp R to be turned on.

The utility model discloses an in other embodiments, can also control the LED lamp scintillation through control module output PWM signal to realize reporting to the police, improve the display effect of reporting to the police, the person of facilitating the use notices.

In an embodiment of the present invention, the LED lamp of the current display unit is located on the surface of the housing, and the light emitted by the LED lamp can be directly seen.

The utility model discloses an in another embodiment, the power plug body includes a transparent shell, and the LED lamp of current display unit can see through the power plug body and give out light, makes things convenient for the demonstration of LED lamp, also can improve power plug's aesthetic measure simultaneously.

The utility model discloses a can instruct power plug of electric current size, it is through built-in current display unit, current display unit passes through sampling module and connects live wire plug and zero line plug, a current for the consumer that connects power plug samples, the electric current that sampling module gathered is known the back by the control module, control module is according to the current data that sampling module gathered, the LED lamp of control display module is luminous, when the electric current is normal, can shine through the green light and represent that the electric current is normal, when the electric current size is in alert state, can shine through the yellow light and represent that the electric current size needs alert, when the electric current is too big, can often shine through the red light and represent that the electric current is unusual, the different states of luminous display current through the LED lamp of difference, thereby ensure the power consumption safety, also conveniently know the load condition of consumer.

The above is only the embodiment of the present invention, and is not intended to limit the present invention, and all modifications, equivalent replacements or improvements made within the technical scope of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a can instruct power plug of electric current size, includes the power plug body, the power plug body is connected with live wire plug and zero line plug at least, the live wire plug with the zero line plug can be connected with supply socket, its characterized in that: still set up the current display unit on the supply socket body, the current display unit respectively with the live wire plug with the zero line plug is connected, the current display unit includes that automatically controlled connects:

2. A power plug capable of indicating the magnitude of current flow as claimed in claim 1, wherein: the sampling module comprises an interface J1 connected with the live wire plug, an interface J1 is connected with a resistor R7 and then connected with an interface J3, the interface J3 is connected with the live wire plug, and the interface J1 is grounded after being connected with a resistor R8 and a resistor R9.

3. A power plug capable of indicating the magnitude of current flow as claimed in claim 2, wherein: the power supply module comprises a rectifier diode D3 connected between an interface J3 and a resistor R7, one end of the rectifier diode D3 is grounded, the other end of the rectifier diode D3 is sequentially connected with a diode D2, a resistor R5 and a resistor R6 and then connected to a 2-port of a voltage stabilizer U2, the model of the voltage stabilizer U2 is 7533-1, a voltage stabilizer D4 and a capacitor C5 which are connected in parallel are further connected between the resistor R6 and the 2-port of the voltage stabilizer U2, the voltage stabilizer D4 and the capacitor C5 are grounded respectively, a 1-port of the voltage stabilizer U2 is grounded, a 3-port of the voltage stabilizer U2 is grounded after being connected with a capacitor C4, a 3-port of the voltage stabilizer U2 can output a power supply VCC, and the interface J2 is further connected to one end of a diode D2 after being connected with a resistor R82.

4. A power plug capable of indicating the magnitude of current flow as claimed in claim 3, wherein: the control module includes controller U1, and controller U1's model is PFC232, power VCC is connected to 1 port of controller U1, 8 port ground connections of controller U1, 1 port and 8 port lug connection of controller U1 have electric capacity C1, 5 ports of controller U1 are connected to between resistance R8 and the resistance R9 of sampling module and ground connection behind connecting capacitor C2, 2 ports of controller U1 connect in proper order connect power VCC behind resistance R3, the LED lamp Y of display module, 6 ports of controller U1 connect in proper order connect power VCC behind resistance R2, the LED lamp G of display module, connect power VCC behind the 7 ports of controller U1 connect power VCC behind resistance R1, the LED lamp R of display module.

5. A power plug capable of indicating the magnitude of current flow as claimed in claim 4, wherein: when the current that the sampling module gathered is 0A-13A, control module control LED lamp G lights, when the current that the sampling module gathered is 13A-15A, control module control LED lamp Y lights, when the current that the sampling module gathered is greater than 15A, control module control LED lamp R lights.

6. A power plug capable of indicating the magnitude of current flow as claimed in claim 4, wherein: the LED lamp G is a green lamp, the LED lamp Y is a yellow lamp, and the LED lamp R is a red lamp.

7. A power plug capable of indicating the magnitude of current flow as claimed in claim 1, wherein: the power plug body comprises a transparent shell, and the LED lamp of the current display unit can emit light through the power plug body.

8. A power plug capable of indicating the magnitude of current flow as claimed in claim 1, wherein: the LED lamp of the current display unit is positioned on the surface of the shell.

9. A power plug capable of indicating the magnitude of current flow as claimed in claim 1, wherein: the power plug also comprises a ground wire plug connected with the power plug body.