CN216391484U - Human body induction night lamp - Google Patents
Human body induction night lamp Download PDFInfo
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- CN216391484U CN216391484U CN202122411353.9U CN202122411353U CN216391484U CN 216391484 U CN216391484 U CN 216391484U CN 202122411353 U CN202122411353 U CN 202122411353U CN 216391484 U CN216391484 U CN 216391484U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model provides a human body induction night lamp which comprises a night lamp main body, a human body induction circuit, a light induction circuit, a main control circuit, a stepless dimming circuit and a remote control receiving circuit. The human body induction circuit outputs a human body induction signal when detecting a human body. The light sensing circuit is used for outputting corresponding brightness voltage signals. The main control circuit is used for controlling the night lamp to be lightened when the human body induction signal and the brightness voltage signal are received and the brightness voltage value is larger than a preset brightness voltage value. The electrodeless dimming circuit is used for outputting a corresponding brightness adjusting signal to the main control circuit, and the main control circuit controls the electrodeless dimming circuit to output a corresponding PWM signal to the night lamp main body according to the brightness adjusting signal. The remote control receiving circuit receives the control signal of the remote controller and outputs the control signal to the main control circuit, and the main control circuit is further used for adjusting the brightness of the night lamp main body according to the received control signal. The utility model realizes the brightness adjustment of the human body induction night lamp by operating the input component or the remote controller, and makes the life of people more convenient.
Description
Technical Field
The utility model relates to the field of human body induction, in particular to a human body induction night lamp.
Background
At night, a silent period is added to busy life of people, so that fast-paced life of people can slow down certain steps in the day, and people can move even at night, all of which depend on the action of light. However, when people sleep, the normal rest of people can be influenced by the fact that the light is too bright, so people are more used to use the human body induction small night lamp at night. Human response night-light generally can not put in the place that is close to the people apart from, if the people want to adjust light luminance still to walk to night-light next door and adjust luminance when having a rest, and is more troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a human body induction night lamp, aiming at realizing the purpose of remotely controlling the brightness of the night lamp.
In order to achieve the above object, the present invention provides a human body induction night light, comprising:
a night light body;
the human body induction circuit is used for detecting a human body and outputting a human body induction signal when the human body is detected;
the light sensing circuit is used for detecting ambient brightness and outputting a corresponding brightness voltage signal;
the main control circuit is provided with a first detection end, a second detection end, a third detection end and a signal receiving end, the first detection end of the main control circuit is connected with the output end of the human body induction circuit, the second detection end of the main control circuit is connected with the output end of the light induction circuit, and the main control circuit is used for controlling the night lamp to be turned on when a human body induction signal and a brightness voltage signal are received and the brightness voltage value is larger than a preset brightness voltage value;
the electrodeless dimming circuit is provided with an input component, a first output end and a second output end, the first output end of the electrodeless dimming circuit is connected with a third detection end of the main control circuit, the second output end of the electrodeless dimming circuit is used for being electrically connected with the night light main body, the electrodeless dimming circuit is used for outputting a corresponding brightness adjusting signal to the main control circuit through the first output end when the input component is triggered, and the main control circuit is also used for controlling the electrodeless dimming circuit to output a corresponding PWM signal to the night light main body according to the brightness adjusting signal so as to adjust the brightness of the night light main body;
remote control receiving circuit, remote control receiving circuit's output with master control circuit's signal reception end is connected, remote control receiving circuit is used for receiving the control signal of remote controller and exports extremely master control circuit, master control circuit still is used for adjusting according to received control signal the luminance of night-light main part.
In one embodiment, the human body sensing circuit comprises a pyroelectric infrared sensor;
the output end of the pyroelectric infrared sensor is connected with the first detection end of the main control circuit, and the pyroelectric infrared sensor is used for detecting a human body and outputting a human body induction signal when detecting the human body.
In one embodiment, the light sensing circuit comprises a photodiode;
the input end of the photosensitive diode is used for accessing power supply voltage, the output end of the photosensitive diode is connected with the second detection end of the main control circuit, and the photosensitive diode is used for detecting ambient brightness and outputting a corresponding brightness voltage signal.
In one embodiment, the electrodeless dimming circuit comprises a varistor and a PWM output circuit;
the controlled end of the rheostat is connected with the input component, the input end of the rheostat is used for connecting a power supply voltage, the output end of the rheostat is connected with the third detection end of the main control circuit, and the input component is used for controlling the rheostat to change the resistance value to output a corresponding brightness adjustment signal when being triggered;
master control circuit still has the control output, PWM output circuit's input with master control circuit's control output connects, PWM circuit is used for output PWM signal under master control circuit's control, in order to adjust night-light main part luminance.
In one embodiment, the PWM output circuit includes a first switch tube and a second switch tube;
the controlled end of the first switch tube is connected with the control output end of the main control circuit, the input end of the first switch tube is connected with the controlled end of the second switch tube, and the output end of the first switch tube is grounded;
the input of second switch tube is used for inserting supply voltage, the output of second switch tube with the night-light main part electricity is connected.
In one embodiment, the human body induction night lamp further comprises a time delay circuit and a multi-gear switch;
many grades of switches with the delay circuit electricity is connected, master control circuit still has the fourth sense terminal, delay circuit's output with master control circuit's fourth sense terminal is connected, delay circuit is used for the basis the corresponding delay voltage signal of setting for gear output of many grades of switches, master control circuit still is used for the basis the length of time of lighting of delay voltage signal control night-light.
In one embodiment, the human induction night light further comprises a battery and a charging circuit;
the input end of the charging circuit is used for being connected with a power supply, the output end of the charging circuit is connected with the input end of the battery, and the charging circuit is used for managing charging current, charging voltage and charging temperature.
In one embodiment, the human body induction night light further comprises a battery protection circuit;
the battery protection circuit is provided with a power supply positive end, a power supply negative end and a detection end, the power supply positive end of the battery protection circuit is connected with the positive electrode of the battery, the power supply negative end of the battery protection circuit is connected with the negative electrode of the battery, the detection end of the battery protection circuit is grounded, and the battery protection circuit is used for controlling the disconnection of a passage between the power supply negative end and the detection end when the voltage of the detection end is greater than a preset voltage value or the current of the detection end is greater than a preset value.
In one embodiment, the human body induction night light further comprises a voltage reduction circuit;
the input end of the voltage reduction circuit is connected with the battery, and the voltage reduction circuit is used for reducing the voltage output by the battery and then outputting the voltage.
The utility model realizes the brightness adjustment of the human body induction night lamp by operating the input component or the remote controller, and the user can remotely adjust the brightness of the night lamp when the user wants to have a rest, and does not need to move to the vicinity of the human body induction night lamp for adjustment, thereby ensuring that the life of people is more convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a main control circuit according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a remote control receiving circuit according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a human body sensing circuit according to an embodiment of the utility model;
fig. 5 is a schematic structural diagram of a light sensing circuit according to an embodiment of the utility model;
fig. 6 is a schematic structural diagram of a stepless dimming circuit according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a stepless dimming circuit according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a delay circuit according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of a charging circuit and a battery protection circuit according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a voltage step-down circuit according to an embodiment of the utility model.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a human body induction night light, which includes a night light main body 10, a human body induction circuit 20, a light induction circuit 30, a main control circuit 40, a stepless dimming circuit 50 and a remote control receiving circuit 60.
The human body sensing circuit 20 is used for detecting a human body and outputting a human body sensing signal when the human body is detected.
The light sensing circuit 30 is used for detecting the ambient brightness and outputting a corresponding brightness voltage signal.
The main control circuit 40 has a first detection end, a second detection end, a third detection end and a signal receiving end, the first detection end of the main control circuit 40 is connected with the output end of the human body induction circuit 20, the second detection end of the main control circuit 40 is connected with the output end of the light induction circuit 30, and the main control circuit 40 is used for controlling the night lamp to be turned on when receiving the human body induction signal and the brightness voltage signal, and the brightness voltage value is greater than the preset brightness voltage value.
The electrodeless dimming circuit 50 is provided with an input part, a first output end and a second output end, the first output end of the electrodeless dimming circuit 50 is connected with a third detection end of the main control circuit 40, the second output end of the electrodeless dimming circuit 50 is used for being electrically connected with the night light main body 10, the electrodeless dimming circuit 50 is used for outputting a corresponding brightness adjusting signal to the main control circuit 40 through the first output end when the input part is triggered, and the main control circuit 40 is also used for controlling the electrodeless dimming circuit 50 to output a corresponding PWM signal to the night light main body 10 according to the brightness adjusting signal so as to adjust the brightness of the night light main body 10.
The output end of the remote control receiving circuit 60 is connected with the signal receiving end of the main control circuit 40, the remote control receiving circuit 60 is used for receiving the control signal of the remote controller and outputting the control signal to the main control circuit 40, and the main control circuit 40 is also used for adjusting the brightness of the night light main body 10 according to the received control signal.
The human body sensing detection circuit outputs a human body sensing signal to the main control circuit 40 when detecting a human body. The light sensing circuit 30 outputs a smaller brightness voltage to the main control circuit 40 when the light is bright (e.g., daytime), and outputs a larger brightness voltage to the main control circuit 40 when the light is dark (e.g., night). When the human body sensing signal received by the main control circuit 40 and the brightness voltage value received by the main control circuit 40 is greater than the preset brightness voltage value, the night light main body 10 is controlled to light. Namely, the lamp can be lighted up when a person is in the night. The user can save the luminance of night light main part 10 through the input unit on the night light main part 10, and the user triggers input unit, and corresponding luminance adjustment signal of input unit output is to master control circuit, and the PWM signal of corresponding duty cycle is exported to night light main part 10 to master control circuit control electrodeless dimming circuit 50, realizes luminance control. The user typically uses a night light while resting at night, and may not be convenient to move to the side of the night light to trigger the input means. The user can also send a control signal to the human body induction night lamp by operating the remote controller, and the remote control receiving circuit 60 outputs the control signal to the main control circuit 40 after receiving the control signal of the remote controller. The main control circuit 40 controls the electrodeless dimming circuit 50 to output a corresponding PWM signal to the night light main body 10 according to the control signal, so as to adjust the brightness of the night light main body 10.
The main control circuit 40 may be an AS255 chip. The input component can be a knob or a key.
The utility model realizes the brightness adjustment of the human body induction night lamp by operating the input component or the remote controller, and the user can remotely adjust the brightness of the night lamp when the user wants to have a rest, and does not need to move to the vicinity of the human body induction night lamp for adjustment, thereby ensuring that the life of people is more convenient.
Referring to fig. 4, in one embodiment, the human body sensing circuit 20 includes a pyroelectric sensor P1.
The output end of the pyroelectric sensor P1 is connected with the first detection end of the main control circuit 40, and the pyroelectric sensor P1 is used for detecting a human body and outputting a human body sensing signal when detecting the human body.
In the embodiment, the pyroelectric sensor P1 is used for detecting a human body, the pyroelectric sensor P1 does not emit any type of radiation, the power consumption of the device is low, and the cost is low. The pyroelectric sensor P1 is installed at a proper height, and does not output human body sensing signals when detecting small animals on the ground in the detection range. The electromagnetic property of the general mobile phone does not interfere the detection of the pyroelectric sensor P1.
Referring to fig. 5, in one embodiment, the light sensing circuit 30 includes a photodiode.
The input end of the photosensitive diode is used for accessing a power supply voltage, the output end of the photosensitive diode is connected with the second detection end of the main control circuit 40, and the photosensitive diode is used for detecting the ambient brightness and outputting a corresponding brightness voltage signal.
In the embodiment, the light intensity is detected by the photodiode, the light intensity signal is converted into the corresponding brightness voltage signal to be output, the detection by the main control circuit 40 is facilitated, and the sensitivity is high.
In one embodiment, the electrodeless dimming circuit 50 includes a varistor and a PWM output circuit.
The controlled end of the rheostat is connected with the input component, the input end of the rheostat is used for connecting with a power supply voltage, the output end of the rheostat is connected with the third detection end of the main control circuit 40, and the input component is used for controlling the rheostat to change the resistance value to output a corresponding brightness adjustment signal when being triggered.
The main control circuit 40 further has a control output end, an input end of the PWM output circuit is connected to the control output end of the main control circuit 40, and the PWM circuit is configured to output a PWM signal under the control of the main control circuit 40, so as to adjust the brightness of the night light main body 10.
In the above embodiments, the rheostat may be a slide rheostat or a digital potentiometer.
The embodiment performs stepless dimming by adjusting the resistance value of the rheostat, converts the light intensity change into the resistance value change, and is convenient for the user to operate.
Referring to fig. 6, in an embodiment, the PWM output circuit includes a first switching tube Q1 and a second switching tube Q2.
The controlled end of the first switch tube Q1 is connected with the control output end of the main control circuit 40, the input end of the first switch tube Q1 is connected with the controlled end of the second switch tube Q2, and the output end of the first switch tube Q1 is grounded.
The input end of the second switch tube Q2 is used for connecting to the power supply voltage, and the output end of the second switch tube Q2 is electrically connected with the night light main body 10.
The main control circuit 40 outputs a PWM signal with a corresponding duty ratio to the controlled terminal of the first switching tube Q1 according to the brightness adjustment signal, so as to control the conduction degree between the input terminal and the output terminal of the first switching tube Q1, and further control the conduction degree between the input terminal and the output terminal of the second switching tube Q2 and between the input terminal and the output terminal of the third switching tube Q3. When the PWM duty ratio is small, the conduction degree between the input end and the output end of the first switching tube Q1 is small, the voltage of the controlled end of the second switching tube Q2 is small, the conduction degree between the input end and the output end of the second switching tube Q2 is small, the voltage output to the night light main body 10 is also large, and then the night light main body 10 is controlled to emit light brightly. Similarly, when the PWM duty ratio is large, the night light body 10 emits light darker.
The PWM output circuit further includes a first resistor R1, and the first resistor R1 is connected in parallel to the controlled terminal and the input terminal of the second switch Q2.
In the above embodiment, the first switch Q1 may be an NPN transistor, and the second switch Q2 may be a PMOS transistor. The number of the second switch transistors Q2 may be multiple, the input and output terminals of multiple second switch transistors Q2 are connected in parallel, and the input and output terminals of each second switch transistor Q2 are connected in parallel with a first resistor R1. The plurality of second switch transistors Q2 can divide the power supply voltage, preventing the power supply voltage from shortening the service life of the second switch transistor Q2 too much.
Referring to fig. 7, in the above embodiment, the PWM output circuit further includes a third switching tube Q3 and a fourth switching tube Q4, and the controlled terminal and the input terminal of the third switching tube Q3 and the controlled terminal and the input terminal of the fourth switching tube Q4 are respectively connected in parallel with a second resistor R2 and a third resistor R3. The controlled end of the third switching tube Q3 is connected to the main control circuit 40, the input end of the third switching tube Q3 is grounded, and the output end of the third switching tube Q3 is electrically connected to the night light main body 10. The controlled end of the fourth switching tube Q4 is connected with the main control circuit 40, the input end of the fourth switching tube Q4 is grounded, and the output end of the fourth switching tube Q4 is electrically connected with the night light main body 10. The input component is also used for outputting a color temperature adjusting signal when triggered. The main control circuit is further configured to output a PWM signal with a corresponding duty ratio to the third switching tube Q3 and the fourth switching tube Q4 according to the received color temperature adjustment signal, so as to control the conduction degree of the third switching tube Q3 and the fourth switching tube Q4, and further control the color temperature of the night light main body 10.
Stepless dimming is realized through first switch tube Q1 and second switch tube Q2 to this embodiment, and night lamp main part 10 brightness control is more level and smooth, and the user can be according to the most suitable degree, the energy can be saved with the brightness control of night lamp main part 10 of use habit.
Referring to fig. 8, in an embodiment, the human body induction night light further comprises a time delay circuit and a multi-step switch.
The multi-gear switch is electrically connected with the delay circuit, the main control circuit 40 is further provided with a fourth detection end, the output end of the delay circuit is connected with the fourth detection end of the main control circuit 40, the delay circuit is used for outputting corresponding delay voltage signals according to the set gears of the multi-gear switch, and the main control circuit is further used for controlling the lighting time of the night lamp according to the delay voltage signals.
In one embodiment, the multi-position switch has a first position, a second position, and a third position. The delay circuit has a first output terminal, a second output terminal, and a third output terminal. When the multi-gear switch is shifted to a first gear, a first output end of the delay circuit is connected with a fourth detection end of the main control circuit 40, a first voltage value is output to the main control circuit 40, and the main control circuit 40 controls the night lamp main body 10 to be turned off after a first preset duration according to the first voltage value; when the multi-gear switch is shifted to a second gear, a second output end of the delay circuit is connected with a fourth detection end of the main control circuit 40, a second voltage value is output to the main control circuit 40, and the main control circuit 40 controls the night lamp main body 10 to be turned off after a second preset time according to the second voltage value; when the multi-gear switch is shifted to the third gear, the third output end of the delay circuit is connected with the fourth detection end of the main control circuit 40, a third voltage value is output to the main control circuit 40, and the main control circuit 40 controls the night lamp main body 10 to be turned off after a third preset time according to the third voltage value.
The embodiment controls the night lamp main body 10 to be turned off in a delayed manner through the multi-gear switch, so that the requirement of a user for using the lamp at night can be met, and energy is saved.
Referring to fig. 9, in one embodiment, the body-sensing nightlight further includes a battery and a charging circuit.
The input end of the charging circuit is used for being connected with a power supply, the output end of the charging circuit is connected with the input end of the battery, and the charging circuit is used for managing charging current, charging voltage and charging temperature.
Referring to fig. 9, in one embodiment, the body-sensing nightlight further includes a battery protection circuit.
The battery protection circuit is provided with a power supply positive end, a power supply negative end and a detection end, the power supply positive end of the battery protection circuit is connected with the positive electrode of the battery, the power supply negative end of the battery protection circuit is connected with the negative electrode of the battery, the detection end of the battery protection circuit is grounded, and the battery protection circuit is used for controlling the disconnection of a passage between the power supply negative end and the detection end when the voltage of the detection end is greater than a preset voltage value or the current of the detection end is greater than a preset value.
Referring to fig. 10, in an embodiment, the body-sensing nightlight further includes a voltage-reducing circuit.
The input end of the voltage reduction circuit is connected with the battery, and the voltage reduction circuit is used for reducing the voltage output by the battery and then outputting the voltage.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The utility model provides a human response night-light, its characterized in that, human response night-light includes:
a night light body;
the human body induction circuit is used for detecting a human body and outputting a human body induction signal when the human body is detected;
the light sensing circuit is used for detecting ambient brightness and outputting a corresponding brightness voltage signal;
the main control circuit is provided with a first detection end, a second detection end, a third detection end and a signal receiving end, the first detection end of the main control circuit is connected with the output end of the human body induction circuit, the second detection end of the main control circuit is connected with the output end of the light induction circuit, and the main control circuit is used for controlling the night lamp to be turned on when a human body induction signal and a brightness voltage signal are received and the brightness voltage value is larger than a preset brightness voltage value;
the electrodeless dimming circuit is provided with an input component, a first output end and a second output end, the first output end of the electrodeless dimming circuit is connected with a third detection end of the main control circuit, the second output end of the electrodeless dimming circuit is used for being electrically connected with the night light main body, the electrodeless dimming circuit is used for outputting a corresponding brightness adjusting signal to the main control circuit through the first output end when the input component is triggered, and the main control circuit is also used for controlling the electrodeless dimming circuit to output a corresponding PWM signal to the night light main body according to the brightness adjusting signal so as to adjust the brightness of the night light main body;
remote control receiving circuit, remote control receiving circuit's output with master control circuit's signal reception end is connected, remote control receiving circuit is used for receiving the control signal of remote controller and exports extremely master control circuit, master control circuit still is used for adjusting according to received control signal the luminance of night-light main part.
2. The body-sensing nightlight of claim 1, wherein the body-sensing circuitry comprises a pyroelectric infrared sensor;
the output end of the pyroelectric infrared sensor is connected with the first detection end of the main control circuit, and the pyroelectric infrared sensor is used for detecting a human body and outputting a human body induction signal when detecting the human body.
3. The human-sensitive nightlight of claim 1, wherein the light-sensing circuit comprises a photodiode;
the input end of the photosensitive diode is used for accessing power supply voltage, the output end of the photosensitive diode is connected with the second detection end of the main control circuit, and the photosensitive diode is used for detecting ambient brightness and outputting a corresponding brightness voltage signal.
4. The body-inductive nightlight of claim 1, wherein the electrodeless dimming circuit comprises a varistor and a PWM output circuit;
the controlled end of the rheostat is connected with the input component, the input end of the rheostat is used for connecting a power supply voltage, the output end of the rheostat is connected with the third detection end of the main control circuit, and the input component is used for controlling the rheostat to change the resistance value to output a corresponding brightness adjustment signal when being triggered;
master control circuit still has the control output, PWM output circuit's input with master control circuit's control output connects, PWM circuit is used for output PWM signal under master control circuit's control, in order to adjust night-light main part luminance.
5. The personal induction night light of claim 4, wherein the PWM output circuit includes a first switching tube and a second switching tube;
the controlled end of the first switch tube is connected with the control output end of the main control circuit, the input end of the first switch tube is connected with the controlled end of the second switch tube, and the output end of the first switch tube is grounded;
the input of second switch tube is used for inserting supply voltage, the output of second switch tube with the night-light main part electricity is connected.
6. The body-worn nightlight of claim 1, further comprising a time delay circuit and a multi-position switch;
many grades of switches with the delay circuit electricity is connected, master control circuit still has the fourth sense terminal, delay circuit's output with master control circuit's fourth sense terminal is connected, delay circuit is used for the basis the corresponding delay voltage signal of setting for gear output of many grades of switches, master control circuit still is used for the basis the length of time of lighting of delay voltage signal control night-light.
7. The personal induction night light of claim 1, wherein the personal induction night light further comprises a battery and a charging circuit;
the input end of the charging circuit is used for being connected with a power supply, the output end of the charging circuit is connected with the input end of the battery, and the charging circuit is used for managing charging current, charging voltage and charging temperature.
8. The personal induction night light of claim 7, wherein the personal induction night light further comprises a battery protection circuit;
the battery protection circuit is provided with a power supply positive end, a power supply negative end and a detection end, the power supply positive end of the battery protection circuit is connected with the positive electrode of the battery, the power supply negative end of the battery protection circuit is connected with the negative electrode of the battery, the detection end of the battery protection circuit is grounded, and the battery protection circuit is used for controlling the disconnection of a passage between the power supply negative end and the detection end when the voltage of the detection end is greater than a preset voltage value or the current of the detection end is greater than a preset value.
9. The body-worn nightlight of claim 7, further comprising a voltage-reducing circuit;
the input end of the voltage reduction circuit is connected with the battery, and the voltage reduction circuit is used for reducing the voltage output by the battery and then outputting the voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122411353.9U CN216391484U (en) | 2021-09-30 | 2021-09-30 | Human body induction night lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122411353.9U CN216391484U (en) | 2021-09-30 | 2021-09-30 | Human body induction night lamp |
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| Publication Number | Publication Date |
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| CN216391484U true CN216391484U (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122411353.9U Active CN216391484U (en) | 2021-09-30 | 2021-09-30 | Human body induction night lamp |
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| CN (1) | CN216391484U (en) |
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2021
- 2021-09-30 CN CN202122411353.9U patent/CN216391484U/en active Active
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