CN212005350U

CN212005350U - Be used for orbital little night-light of electric power

Info

Publication number: CN212005350U
Application number: CN202021092633.7U
Authority: CN
Inventors: 叶立阳; 陈长华
Original assignee: Yueqing Zhenqi Electric Technology Co ltd
Current assignee: Yueqing Zhenqi Electric Technology Co ltd
Priority date: 2020-06-13
Filing date: 2020-06-13
Publication date: 2020-11-24
Anticipated expiration: 2030-06-13

Abstract

The utility model discloses a small night lamp for an electric power track, which comprises a small night lamp capable of being fixed on the electric power track, wherein the small night lamp comprises a shell, a circuit board and a LED lamp, the circuit board and the LED lamp are fixed in the shell, and the upper end surface of the shell is provided with a light transmission surface; a rectification step-down circuit connected with the mains supply and an illumination circuit connected with the rectification step-down circuit are arranged on the circuit board; the rectification voltage-reducing circuit comprises a rectifier bridge and a voltage-reducing chip; the lighting circuit comprises a photosensitive element for obtaining ambient brightness, a human body sensing element for sensing the approach of a human body and a control chip connected with the photosensitive element and the sensing element, wherein the control chip is connected with the LED lamp and can control the on/off of the LED lamp based on feedback signals of the photosensitive element and the human body sensing element. The utility model has the advantages of it is following and effect: the automatic opening/closing improves the safety during use, is easy to be favored by young consumers, and has better market prospect.

Description

Be used for orbital little night-light of electric power

Technical Field

The utility model relates to a power equipment technical field, in particular to be used for orbital little night-light of electric power.

Background

In the home and business environment, the conventional electric power distribution system is provided by the power receiving point, which is generally installed in the wall cavity or on the surface of a predetermined position, and the position of such power receiving point needs to be selected in advance, however, people often find that the power receiving point is installed in a wrong place or the number of the power receiving points is insufficient in the actual use process, so that a power track is invented, and only a power adapter needs to be inserted into the power track to be used as a power receiving point.

In the market, a small night lamp for an electric power track is very popular, but although the existing small night lamp can be installed quickly with the electric power track, the small night lamp needs to be turned on or off manually as a normal illuminating lamp is used, and the turning on/off mode is difficult to favor of young consumers in the trend of intellectualization;

and because the electric power track has the circuit of connecting usefulness, when the user wants to open the little night-light of installing on the electric power track under the dark surrounds at night, have the hidden danger that hand touched the electric power track, cause the electric shock accident easily, it is very unsafe to use like this to daily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be used for orbital little night-light of electric power to solve the problem that proposes among the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions: a small night lamp for an electric power track comprises a small night lamp capable of being fixed on the electric power track, wherein the small night lamp comprises a shell, a circuit board and an LED lamp, the circuit board is fixedly arranged in the shell, the LED lamp is also fixedly arranged in the shell and is electrically connected with the circuit board, and the upper end face of the shell is provided with a light-transmitting surface which can be used for irradiating light emitted by the LED lamp in the shell to the outside of the shell; the circuit board is provided with a rectification step-down circuit connected with commercial power and an illumination circuit connected with the rectification step-down circuit; the rectification voltage-reducing circuit comprises a rectifier bridge and a voltage-reducing chip, wherein the rectifier bridge is powered by mains supply and rectifies the voltage input by the mains supply and outputs the rectified voltage to the voltage-reducing chip, and the voltage-reducing chip reduces the rectified voltage to supply power for the lighting circuit; the lighting circuit comprises a photosensitive element for obtaining ambient brightness, a human body sensing element for sensing approach of a human body and a control chip connected with the photosensitive element and the human body sensing element, wherein the control chip is connected with the LED lamp and can control the LED lamp to be turned on/off based on feedback signals of the photosensitive element and the human body sensing element.

The further setting is that: the circuit board is further provided with a display screen for displaying time and a plurality of keys for setting time, the display screen and the keys are connected with the control chip, the display screen is fixedly arranged on the inner side of the light-transmitting surface of the shell, and the keys extend out of the outer surface of the shell for being pressed by a user.

The further setting is that: the circuit board is also provided with a battery which is connected with a diode D3 which is in one-way conduction, the anode of the diode D3 is connected with the battery, the cathode of the diode D3 is connected with the lighting circuit, and the cathode of the diode D3 is also connected with a diode D10 which prevents reverse connection.

The further setting is that: the voltage reduction chip comprises a first voltage reduction chip U2 which can reduce the rectified mains voltage to 5V, and a second voltage reduction chip U5 which is connected with the first voltage reduction chip U2 and used for reducing the voltage of 5V to 3.3V; the control chip comprises a first control chip U7 connected with the photosensitive element and the human body sensing element and a second control chip U1 connected with the first control chip U7, wherein the second control chip U1 controls the on/off of the LED lamp by connecting a MOS tube Q1.

The further setting is that: the photosensitive element is a photoresistor, and the human body sensing element is a pyroelectric sensor.

The beneficial effects of the utility model reside in that:

1. the utility model discloses in need not the manual little night-light of opening, but detect ambient brightness through photosensitive element, and come the human body of perception to be close to through human inductive element to realize opening in time at night, avoid among the dark surrounds people's hand to touch the electric shock accident that the electric power track arouses, use safety more. Meanwhile, the intelligent opening and closing action is very easy to be favored by young consumers, and the market prospect is better.

2. The utility model discloses in can supply the audio-visual observation time of user through the configuration display screen, more diversified function has promoted the utility model discloses a practicality changes the user demand that satisfies the user.

3. The utility model discloses a set up the battery, the condition that the LED lamp can't be lighted when effectively avoiding having a power failure even also can work in having a power failure through setting up the battery, and in-service use is more convenient.

4. The utility model discloses in set up first step-down chip U2 and second step-down chip U5, realize different supply voltage to control the bright/go out of LED lamp through MOS pipe Q1, can effectively improve the illumination intensity of LED lamp.

Drawings

FIG. 1 is a first schematic structural diagram of an embodiment;

FIG. 2 is a second schematic structural diagram of the embodiment;

FIG. 3 is a circuit diagram of a rectifying and voltage-reducing circuit in an embodiment;

FIG. 4 is a first circuit diagram of an embodiment of a lighting circuit;

fig. 5 is a circuit diagram of a lighting circuit in the embodiment two.

In the figure: 11. a housing; 12. a light-transmitting surface; 21. a photosensitive element; 22. a human body sensing element; 23. a display screen; 24. pressing a key; 25. a battery.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 5, a small night light for an electric power track includes a small night light fixable to the electric power track; the fixation of the small night light and the power track belongs to the technical means of the prior conventional technology and is not explained here.

Little night-light is including casing 11, circuit board and LED lamp, and the circuit board is fixed to be set up in casing 11, and the LED lamp is fixed to be set up in casing 11 equally and is connected with the circuit board electricity, and the up end of casing 11 is provided with the light that can supply the LED lamp in the casing 11 to send and shines to the outer printing opacity face 12 of casing 11. Of course, the light-transmitting surface 12 may be disposed on the side of the housing 11; the light-transmitting surface 12 may be made of a light-transmitting material such as glass or plastic. The LED lamps correspond to D2, D4, D5 and D7 labeled in fig. 5.

A rectification step-down circuit connected with the mains supply and an illumination circuit connected with the rectification step-down circuit are arranged on the circuit board; the rectification step-down circuit comprises a rectifier bridge and a step-down chip, the rectifier bridge is powered by mains supply, the voltage input by the mains supply is rectified and then output to the step-down chip, and the step-down chip steps down the rectified voltage to supply power for the lighting circuit.

The rectification and voltage reduction circuit can refer to fig. 3, and fig. 3 shows a circuit diagram capable of being implemented in detail. The rectifier bridge corresponds to BD1 marked in the figure 1, and is of a type DB 107S.

The lighting circuit comprises a photosensitive element 21 for obtaining ambient brightness, a human body sensing element 22 for sensing approach of a human body, and a control chip connected with the photosensitive element 21 and the human body sensing element 22, wherein the control chip is connected with the LED lamp, and the control chip can control the LED lamp to be turned on/off based on feedback signals of the photosensitive element 21 and the human body sensing element 22.

The lighting circuit can be referred to specifically in fig. 4 and 5, and fig. 4 and 5 show the circuit diagram which can be implemented in detail. Note that the light sensing element 21 corresponds to CDS indicated in the drawing, and the human body sensing element 22 corresponds to D1 indicated in the drawing; the light sensing element 21 is a photo resistor, and the human body sensing element 22 is a pyroelectric sensor.

The circuit board is also provided with a display screen 23 for displaying time and a plurality of keys 24 for setting time, the display screen 23 and the keys 24 are all connected with the control chip, the display screen 23 is fixedly arranged on the inner side of the light-transmitting surface 12 of the shell 11, and the keys 24 all extend out of the outer surface of the shell 11 for being pressed by a user.

Referring specifically to fig. 5, the display 23 may be of the type LED-3463 or LCD1602, and the keys 24 correspond to S9, S6, and S10 labeled in fig. 5.

The circuit board is also provided with a battery 25, the battery 25 is connected with a diode D3 which conducts in one direction, the anode of the diode D3 is connected with the battery 25, the cathode of the diode D3 is connected with the lighting circuit, and the cathode of the diode D3 is also connected with a diode D10 which prevents reverse connection. By arranging the diodes D3 and D10, the protection effect is achieved, and the whole circuit works more stably and reliably.

The voltage reduction chip comprises a first voltage reduction chip U2 which can reduce the rectified mains voltage to 5V, and a second voltage reduction chip U5 which is connected with the first voltage reduction chip U2 to reduce the voltage of 5V to 3.3V; the control chip comprises a first control chip U7 connected with the photosensitive element 21 and the human body sensing element 22 and a second control chip U1 connected with the first control chip U7, and the second control chip U1 controls the on/off of the LED lamp by connecting a MOS tube Q1.

Referring to fig. 3-5, it should be noted that the model of the first buck chip U2 is BP8516F, the model of the second buck chip U5 is XC6206, the model of the first control chip U7 is BISS0001, the model of the second control chip U1 is PIC16F1704, and the model of the MOS transistor Q1 is S12302.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a little night-light for electric power track, is including fixing the little night-light on electric power track, its characterized in that:

the small night lamp comprises a shell (11), a circuit board and an LED lamp, wherein the circuit board is fixedly arranged in the shell (11), the LED lamp is also fixedly arranged in the shell (11) and is electrically connected with the circuit board, and the upper end surface of the shell (11) is provided with a light transmitting surface (12) for light emitted by the LED lamp in the shell (11) to irradiate the outside of the shell (11);

the circuit board is provided with a rectification step-down circuit connected with commercial power and an illumination circuit connected with the rectification step-down circuit; the rectification voltage-reducing circuit comprises a rectifier bridge and a voltage-reducing chip, wherein the rectifier bridge is powered by mains supply and rectifies the voltage input by the mains supply and outputs the rectified voltage to the voltage-reducing chip, and the voltage-reducing chip reduces the rectified voltage to supply power for the lighting circuit;

the lighting circuit comprises a photosensitive element (21) for obtaining ambient brightness, a human body sensing element (22) for sensing approach of a human body and a control chip connected with the photosensitive element (21) and the human body sensing element (22), wherein the control chip is connected with the LED lamp and can control the LED lamp to be turned on/off based on feedback signals of the photosensitive element (21) and the human body sensing element (22).

2. A small night light for an electrical power track as claimed in claim 1 wherein: the circuit board is further provided with a display screen (23) used for displaying time and a plurality of keys (24) used for setting time, the display screen (23) and the keys (24) are connected with the control chip, the display screen (23) is fixedly arranged on the inner side of the light-transmitting surface (12) of the shell (11), and the keys (24) extend out of the outer surface of the shell (11) to be pressed by a user.

3. A small night light for an electrical power track as claimed in claim 1 wherein: the circuit board is also provided with a battery (25), the battery (25) is connected with a diode D3 which is in one-way conduction, the anode of the diode D3 is connected with the battery (25), the cathode of the diode D3 is connected with a lighting circuit, and the cathode of the diode D3 is also connected with a diode D10 which prevents reverse connection.

4. A small night light for an electrical power track as claimed in claim 1 wherein: the voltage reduction chip comprises a first voltage reduction chip U2 which can reduce the rectified mains voltage to 5V, and a second voltage reduction chip U5 which is connected with the first voltage reduction chip U2 and used for reducing the voltage of 5V to 3.3V; the control chip comprises a first control chip U7 connected with the photosensitive element (21) and the human body sensing element (22) and a second control chip U1 connected with the first control chip U7, and the second control chip U1 is connected with a MOS tube Q1 to control the on/off of the LED lamp.

5. A small night light for an electrical power track as claimed in claim 1 wherein: the photosensitive element (21) is a photoresistor, and the human body sensing element (22) is a pyroelectric sensor.