CN219395105U

CN219395105U - Night lamp

Info

Publication number: CN219395105U
Application number: CN202320801554.6U
Authority: CN
Inventors: 杨青山; 王梓航; 甘佳裕
Original assignee: Chengdu College of University of Electronic Science and Technology of China
Current assignee: Chengdu College of University of Electronic Science and Technology of China
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-07-21
Anticipated expiration: 2033-04-12

Abstract

The embodiment of the application discloses night-light belongs to lamps and lanterns technical field, including base and the lighting assembly of setting on the base, the inside of base is provided with the accommodation cavity, be provided with sensing assembly in the accommodation cavity, sensing assembly includes temperature sensing circuit, infrared pyroelectric sensing circuit and piezoelectricity induction circuit, the top of base is provided with the opening, temperature sensing circuit's sensing element infrared pyroelectric sensing circuit's sensing element reaches piezoelectricity induction circuit's sensing element sets up in the opening: the lighting assembly comprises a lamp shade, a lighting circuit and a control circuit, wherein the lighting circuit and the control circuit are arranged in the lamp shade, the output ends of the temperature sensing circuit, the infrared pyroelectric sensing circuit and the piezoelectric sensing circuit are electrically connected with the input end of the control circuit, a normally open contact of a power-off delay relay is arranged between the lighting circuit and an external power supply, and the control circuit is used for controlling the power-off delay relay to be electrified or powered off and has the advantage of intelligently sensing the human body to illuminate.

Description

Night lamp

Technical Field

The utility model mainly relates to the technical field of lamps, in particular to a night lamp.

Background

People can get up to drink water or go to a toilet in the middle of the night, but the switch setting of room lamp can be far away, and the time of getting up can not be too long, can cause power consumption to be big if go to turn on the room lamp, consequently, generally use the night-light to give people illumination light. At present, the current night lamp adopts the mode of acoustic control to switch on and off the lamp control, can frequently appear because of noise mistake opens the night lamp, the condition of disturbing user's sleep.

Therefore, it is desirable to provide a night light that intelligently senses the person for illumination.

Disclosure of Invention

One of the embodiments of the specification provides a night-light, including base and the illumination component of setting on the base, the inside of base is provided with holds the cavity, be provided with sensing assembly in the holding cavity, sensing assembly includes temperature sensing circuit, infrared pyroelectric sensing circuit and piezoelectricity induction circuit, the top of base is provided with the opening, temperature sensing circuit's sensing element infrared pyroelectric sensing circuit's sensing element reaches piezoelectricity induction circuit's sensing element sets up in the opening: the lighting assembly comprises a lamp shade, a lighting circuit and a control circuit, wherein the lighting circuit and the control circuit are arranged in the lamp shade, the output ends of the temperature sensing circuit, the infrared pyroelectric sensing circuit and the piezoelectric sensing circuit are electrically connected with the input end of the control circuit, a normally open contact of a power-off delay relay is arranged between the lighting circuit and an external power supply, and the control circuit is used for controlling the power-off delay relay to be electrified or powered off according to output signals of the temperature sensing circuit, the infrared pyroelectric sensing circuit and the piezoelectric sensing circuit.

In some embodiments, the sensing element of the temperature sensing circuit is an LM35 temperature sensor; the temperature sensing circuit further comprises a first voltage comparison circuit, the output end of the LM35 temperature sensor is electrically connected with one input end of the first voltage comparison circuit, a first reference voltage is input into the other input end of the first voltage comparison circuit, when the output voltage of the LM35 temperature sensor is larger than the first reference voltage, the first voltage comparison circuit outputs a high level, and the output end of the first voltage comparison circuit is electrically connected with the control circuit.

In some embodiments, the sensing element of the infrared pyroelectric sensing circuit is a pyroelectric infrared sensor; the infrared pyroelectric induction circuit further comprises a signal processing circuit and a second voltage comparison circuit, wherein the output end of the pyroelectric infrared sensor is electrically connected with the input end of the signal processing circuit, the output end of the signal processing circuit is electrically connected with one input end of the second voltage comparison circuit, a second reference voltage is input into the other input end of the second voltage comparison circuit, when the output voltage of the signal processing circuit is larger than the second reference voltage, the second voltage comparison circuit outputs a high level, and the output end of the second voltage comparison circuit is electrically connected with the control circuit.

In some embodiments, the sensing element of the piezoelectric sensing circuit is a piezoelectric sensor; the piezoelectric sensing circuit further comprises a third voltage comparison circuit, the output end of the piezoelectric sensor is electrically connected with one input end of the third voltage comparison circuit, a third reference voltage is input into the other input end of the third voltage comparison circuit, when the output voltage of the piezoelectric sensor is larger than the third reference voltage, the third voltage comparison circuit outputs a high level, and the output end of the third voltage comparison circuit is electrically connected with the control circuit.

In some embodiments, the control circuit includes a first or gate U1, a second or gate U2, and a transistor switch Q1, where an output end of the first voltage comparison circuit is electrically connected to one input end of the first or gate U1, an output end of the second voltage comparison circuit is electrically connected to another input end of the first or gate U1, an output end of the first or gate U1 is electrically connected to one input end of the second or gate U2, an output end of the third voltage comparison circuit is electrically connected to another input end of the second or gate U2, an output end of the second or gate U2 is electrically connected to a control end of the transistor switch Q1, and the transistor switch Q1 is serially connected between an external power supply and the power-off delay relay.

In some embodiments, the lighting circuit comprises a plurality of groups of parallel LED lamp groups, and the color temperatures of any two of the LED lamp groups are different.

In some embodiments, a color temperature control switch is connected in series with each of the LED lamp groups.

In some embodiments, an adjustable resistor is connected in series between the lighting circuit and the external power supply, and a brightness adjusting button is arranged on the base and used for adjusting the resistance value of the adjustable resistor.

In some embodiments, a manual control switch is connected in parallel to the normally open contact of the power-off delay relay.

In some embodiments, the lighting assembly further comprises a connection base, the lamp shade is disposed on the connection base, and an angle adjustment assembly is disposed between the lamp shade and the connection base.

Drawings

The present application will be further illustrated by way of example embodiments, which will be described in detail with reference to the accompanying drawings. The embodiments are not limiting, in which like numerals represent like structures, wherein:

FIG. 1 is a schematic diagram of a night light according to some embodiments of the present application;

FIG. 2 is a block diagram of a night light according to some embodiments of the present application;

fig. 3 is a circuit schematic of a lighting circuit shown in accordance with some embodiments of the present application.

110, a base; 120. a lighting assembly; 130. a connecting seat; 140. and an angle adjusting component.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are used in the description of the embodiments will be briefly described below. It is apparent that the drawings in the following description are only some examples or embodiments of the present application, and it is obvious to those skilled in the art that the present application may be applied to other similar situations according to the drawings without inventive effort. It should be understood that these exemplary embodiments are presented merely to enable those skilled in the relevant art to better understand and practice the utility model and are not intended to limit the scope of the utility model in any way. Unless otherwise apparent from the context of the language or otherwise specified, like reference numerals in the figures refer to like structures or operations.

It will be appreciated that "system," "apparatus," "unit" and/or "module" as used herein is one method for distinguishing between different components, elements, parts, portions or assemblies at different levels. However, if other words can achieve the same purpose, the words can be replaced by other expressions.

As used in this application and in the claims, the terms "a," "an," "the," and/or "the" are not specific to the singular, but may include the plural, unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that the steps and elements are explicitly identified, and they do not constitute an exclusive list, as other steps or elements may be included in a method or apparatus. Although the present application makes various references to certain modules or units in a system according to embodiments of the present application, any number of different modules or units may be used and run on clients and/or servers. The modules are merely illustrative, and different aspects of the systems and methods may use different modules.

Flowcharts are used in this application to describe the operations performed by systems according to embodiments of the present application. It should be appreciated that the preceding or following operations are not necessarily performed in order precisely. Rather, the steps may be processed in reverse order or simultaneously. Also, other operations may be added to or removed from these processes.

Fig. 1 is a schematic diagram of a night light according to some embodiments of the present application. As shown in fig. 1, the night light includes a base and a lighting assembly disposed on the base. The lighting component can also comprise a connecting seat, the lampshade is arranged on the connecting seat, and an angle adjusting component is arranged between the lampshade and the connecting seat. The user can adjust the illumination angle through the angle adjustment assembly as required.

Fig. 2 is a schematic block diagram of a night light according to some embodiments of the present application, as shown in fig. 2, an accommodating cavity is provided in the base, an induction component is provided in the accommodating cavity, the induction component includes a temperature induction circuit, an infrared pyroelectric induction circuit and a piezoelectric induction circuit, an opening is provided at the top of the base, and an induction element of the temperature induction circuit, an induction element of the infrared pyroelectric induction circuit and an induction element of the piezoelectric induction circuit are disposed in the opening. The user can transmit control information to the sensing element of the temperature sensing circuit, the sensing element of the infrared pyroelectric sensing circuit or the sensing element of the piezoelectric sensing circuit through the opening. For example, when the user needs to turn on the lamp, the user can place the hand on the base, and the heat of the hand is transferred to the sensing element of the temperature sensing circuit through the opening, or is sensed by the sensing element of the infrared pyroelectric sensing circuit, or is pressed on the sensing element of the piezoelectric sensing circuit.

The lighting assembly comprises a lamp shade, and a lighting circuit and a control circuit which are arranged in the lamp shade, as shown in fig. 2, the output ends of the temperature sensing circuit, the infrared pyroelectric sensing circuit and the piezoelectric sensing circuit are electrically connected with the input end of the control circuit, a normally open contact K of a power-off delay relay is arranged between the lighting circuit and an external power supply, and the control circuit is used for controlling the power-off delay relay to be powered on or powered off according to output signals of the temperature sensing circuit, the infrared pyroelectric sensing circuit and the piezoelectric sensing circuit.

For example, when a user needs to turn on a lamp, the user can place the hand on the base, the heat of the hand is transferred to the sensing element of the temperature sensing circuit through the opening, or is sensed by the sensing element of the infrared pyroelectric sensing circuit, or is pressed on the sensing element of the piezoelectric sensing circuit, when any one or more of the sensing element of the temperature sensing circuit, the sensing element of the infrared pyroelectric sensing circuit and the sensing element of the piezoelectric sensing circuit sense a human body, the control circuit can control the power-off delay relay to be electrified, the normally open contact K of the power-off delay relay is closed, the lighting circuit is electrified to illuminate, after a period of time, the normally open contact K of the power-off delay relay jumps from the closed state to the open state, and the lighting circuit stops lighting.

In some embodiments, the sensing element of the temperature sensing circuit is an LM35 temperature sensor. The temperature sensing circuit further comprises a first voltage comparison circuit, the output end of the LM35 temperature sensor is electrically connected with one input end of the first voltage comparison circuit, a first reference voltage is input to the other input end of the first voltage comparison circuit, when the output voltage of the LM35 temperature sensor is larger than the first reference voltage, the first voltage comparison circuit outputs a high level, and the output end of the first voltage comparison circuit is electrically connected with the control circuit.

It can be understood that when the user needs to turn on the lamp, can place the hand on the base, after the LM35 temperature sensor sensed human body temperature, its output voltage was greater than first reference voltage, and first voltage comparison circuit output high level.

In some embodiments, the sensing element of the infrared pyroelectric sensing circuit is a pyroelectric infrared sensor. The infrared pyroelectric induction circuit further comprises a signal processing circuit and a second voltage comparison circuit, the output end of the pyroelectric infrared sensor is electrically connected with the input end of the signal processing circuit, the output end of the signal processing circuit is electrically connected with one input end of the second voltage comparison circuit, a second reference voltage is input into the other input end of the second voltage comparison circuit, when the output voltage of the signal processing circuit is larger than the second reference voltage, the second voltage comparison circuit outputs a high level, and the output end of the second voltage comparison circuit is electrically connected with the control circuit, wherein the signal processing circuit can comprise an amplifying circuit.

It can be understood that when the user needs to turn on the lamp, the user can place the hand on the base, and after the infrared pyroelectric induction circuit senses the human body, the voltage output by the signal processing circuit is greater than the second reference voltage, and the second voltage comparison circuit outputs a high level.

In some embodiments, the sensing element of the piezoelectric sensing circuit is a piezoelectric sensor. The piezoelectric sensing circuit further comprises a third voltage comparison circuit, the output end of the piezoelectric sensor is electrically connected with one input end of the third voltage comparison circuit, a third reference voltage is input into the other input end of the third voltage comparison circuit, when the output voltage of the piezoelectric sensor is larger than the third reference voltage, the third voltage comparison circuit outputs a high level, and the output end of the third voltage comparison circuit is electrically connected with the control circuit.

It can be understood that when the user needs to turn on the lamp, can place the hand on the base, after the pressure of human hand is sensed to piezoelectric sensor, piezoelectric sensor's output voltage is greater than third reference voltage, and third voltage comparison circuit outputs high level.

In some embodiments, the control circuit includes a first or gate U1, a second or gate U2, and a transistor switch Q1, where an output of the first voltage comparison circuit is electrically connected to one input of the first or gate U1, an output of the second voltage comparison circuit is electrically connected to another input of the first or gate U1, an output of the first or gate U1 is electrically connected to one input of the second or gate U2, an output of the third voltage comparison circuit is electrically connected to another input of the second or gate U2, an output of the second or gate U2 is electrically connected to a control terminal of the transistor switch Q1, and the transistor switch Q1 is serially connected between the external power source and the power-off delay relay.

It can be understood that when at least one of the first voltage comparing circuit, the second voltage comparing circuit and the third voltage comparing circuit outputs a high level, the second or gate U2 outputs a high level to the transistor switch Q1, so that the transistor switch Q1 is turned on, the power-off delay relay is powered on, the normally open contact K of the power-off delay relay is closed, the lighting circuit is powered on to perform lighting, after a period of time, the normally open contact K of the power-off delay relay jumps from a closed state to an open state, and the lighting circuit is powered off to stop lighting.

Fig. 3 is a schematic circuit diagram of an illumination circuit according to some embodiments of the present application, as shown in fig. 3, in some embodiments, a manual control switch S1 is connected in parallel to a normally open contact K of a power-off delay relay. The user may close the manual control switch S1 such that the lighting circuit is always in an energized state, i.e. always in a lighting state.

The lighting circuit comprises a plurality of groups of LED lamp groups which are connected in parallel, and the color temperatures of any two LED lamp groups are different. In some embodiments, as shown in fig. 3, each LED lamp set is connected in series with a color temperature control switch (e.g. S21, S2 n), an adjustable resistor is connected in series between the lighting circuit and the external power supply, and a brightness adjusting button is arranged on the base and used for adjusting the resistance value of the adjustable resistor.

The user can adjust the light color temperature of the lighting circuit through the color temperature control switch. The user can also adjust the resistance value of the adjustable resistor through the brightness adjusting button, so as to adjust the light brightness of the lighting circuit.

While the basic concepts have been described above, it will be apparent to those skilled in the art that the foregoing detailed disclosure is by way of example only and is not intended to be limiting. Although not explicitly described herein, various modifications, improvements, and adaptations of the present application may occur to one skilled in the art. Such modifications, improvements, and modifications are intended to be suggested within this application, and are therefore within the spirit and scope of the exemplary embodiments of this application.

Meanwhile, the present application uses specific words to describe embodiments of the present application. Reference to "one embodiment," "an embodiment," and/or "some embodiments" means that a particular feature, structure, or characteristic is associated with at least one embodiment of the present application. Thus, it should be emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various positions in this specification are not necessarily referring to the same embodiment. Furthermore, certain features, structures, or characteristics of one or more embodiments of the present application may be combined as suitable.

Furthermore, the order in which the elements and sequences are presented, the use of numerical letters, or other designations are used in the application and are not intended to limit the order in which the processes and methods of the application are performed unless explicitly recited in the claims. While certain presently useful inventive embodiments have been discussed in the foregoing disclosure, by way of various examples, it is to be understood that such details are merely illustrative and that the appended claims are not limited to the disclosed embodiments, but, on the contrary, are intended to cover all modifications and equivalent arrangements included within the spirit and scope of the embodiments of the present application. For example, while the system components described above may be implemented by hardware devices, they may also be implemented solely by software solutions, such as installing the described system on an existing server or mobile device.

Likewise, it should be noted that in order to simplify the presentation disclosed herein and thereby aid in understanding one or more inventive embodiments, various features are sometimes grouped together in a single embodiment, figure, or description thereof. This method of disclosure, however, is not intended to imply that more features than are presented in the claims are required for the subject application. Indeed, less than all of the features of a single embodiment disclosed above.

Each patent, patent application publication, and other material, such as articles, books, specifications, publications, documents, etc., cited in this application is hereby incorporated by reference in its entirety. Except for application history documents that are inconsistent or conflicting with the present application, documents that are currently or later attached to this application for which the broadest scope of the claims to the present application is limited. It is noted that the descriptions, definitions, and/or terms used in the subject matter of this application are subject to the use of descriptions, definitions, and/or terms in case of inconsistent or conflicting disclosure.

Finally, it should be understood that the embodiments described herein are merely illustrative of the principles of the embodiments of the present application. Other variations are also possible within the scope of this application. Thus, by way of example, and not limitation, alternative configurations of embodiments of the present application may be considered in keeping with the teachings of the present application. Accordingly, embodiments of the present application are not limited to only the embodiments explicitly described and depicted herein.

Claims

1. The utility model provides a night-light, its characterized in that, includes the base and sets up the lighting assembly on the base, the inside of base is provided with the accommodation cavity, be provided with the response subassembly in the accommodation cavity, the response subassembly includes temperature sensing circuit, infrared pyroelectric sensing circuit and piezoelectricity induction circuit, the top of base is provided with the opening, temperature sensing circuit's sensing element infrared pyroelectric sensing circuit's sensing element reaches piezoelectricity induction circuit's sensing element sets up in the opening:

the lighting assembly comprises a lamp shade, a lighting circuit and a control circuit, wherein the lighting circuit and the control circuit are arranged in the lamp shade, the output ends of the temperature sensing circuit, the infrared pyroelectric sensing circuit and the piezoelectric sensing circuit are electrically connected with the input end of the control circuit, a normally open contact of a power-off delay relay is arranged between the lighting circuit and an external power supply, and the control circuit is used for controlling the power-off delay relay to be electrified or powered off according to output signals of the temperature sensing circuit, the infrared pyroelectric sensing circuit and the piezoelectric sensing circuit.

2. The night light of claim 1, wherein the sensing element of the temperature sensing circuit is an LM35 temperature sensor;

the temperature sensing circuit further comprises a first voltage comparison circuit, the output end of the LM35 temperature sensor is electrically connected with one input end of the first voltage comparison circuit, a first reference voltage is input into the other input end of the first voltage comparison circuit, when the output voltage of the LM35 temperature sensor is larger than the first reference voltage, the first voltage comparison circuit outputs a high level, and the output end of the first voltage comparison circuit is electrically connected with the control circuit.

3. The night light of claim 2, wherein the sensing element of the infrared pyroelectric sensing circuit is a pyroelectric infrared sensor;

the infrared pyroelectric induction circuit further comprises a signal processing circuit and a second voltage comparison circuit, wherein the output end of the pyroelectric infrared sensor is electrically connected with the input end of the signal processing circuit, the output end of the signal processing circuit is electrically connected with one input end of the second voltage comparison circuit, a second reference voltage is input into the other input end of the second voltage comparison circuit, when the output voltage of the signal processing circuit is larger than the second reference voltage, the second voltage comparison circuit outputs a high level, and the output end of the second voltage comparison circuit is electrically connected with the control circuit.

4. A night light according to claim 3 wherein the sensing element of the piezoelectric sensing circuit is a piezoelectric sensor;

the piezoelectric sensing circuit further comprises a third voltage comparison circuit, the output end of the piezoelectric sensor is electrically connected with one input end of the third voltage comparison circuit, a third reference voltage is input into the other input end of the third voltage comparison circuit, when the output voltage of the piezoelectric sensor is larger than the third reference voltage, the third voltage comparison circuit outputs a high level, and the output end of the third voltage comparison circuit is electrically connected with the control circuit.

5. The night light of claim 4, wherein the control circuit comprises a first or gate U1, a second or gate U2, and a transistor switch Q1, wherein the output of the first voltage comparison circuit is electrically connected to one input of the first or gate U1, the output of the second voltage comparison circuit is electrically connected to the other input of the first or gate U1, the output of the first or gate U1 is electrically connected to one input of the second or gate U2, the output of the third voltage comparison circuit is electrically connected to the other input of the second or gate U2, the output of the second or gate U2 is electrically connected to the control terminal of the transistor switch Q1, and the transistor switch Q1 is serially connected between an external power source and the power-off delay relay.

6. The night light of any one of claims 1-5 wherein the illumination circuit comprises a plurality of parallel LED groups, wherein the color temperature of any two of the LED groups is different.

7. The night light of claim 6 wherein each of said LED light groupings is connected in series with a color temperature control switch.

8. The night light of claim 6, wherein an adjustable resistor is connected in series between the lighting circuit and an external power supply, and a brightness adjusting button is arranged on the base and is used for adjusting the resistance value of the adjustable resistor.

9. The night light of claim 6, wherein the normally open contact of the de-energized delay relay is connected in parallel with a manual control switch.

10. The night light of claim 9, wherein the lighting assembly further comprises a connector, the light housing is disposed on the connector, and an angular adjustment assembly is disposed between the light housing and the connector.