CN217904697U - Embedded little night-light low-voltage control circuit - Google Patents
Embedded little night-light low-voltage control circuit Download PDFInfo
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- CN217904697U CN217904697U CN202221935159.9U CN202221935159U CN217904697U CN 217904697 U CN217904697 U CN 217904697U CN 202221935159 U CN202221935159 U CN 202221935159U CN 217904697 U CN217904697 U CN 217904697U
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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 application discloses embedded little night-light low pressure control circuit includes: the control conversion module is used for setting the control mode of the light emitting module into two modes of being controlled by embedded electronic equipment and being controlled by the illumination environment; and the input end of the voltage stabilizing driving module is electrically connected to the control conversion module, the output end of the voltage stabilizing driving module is electrically connected to the light-emitting module, and the voltage stabilizing driving module is used for receiving the signal output by the control conversion module and driving the light-emitting module to emit light. This application has reduced little night-light effectively and need occupy the condition that the socket inserted the electricity work, has made things convenient for the effect that people used little night-light in daily life.
Description
Technical Field
The application relates to the technical field of small night lamp control, in particular to an embedded small night lamp low-voltage control circuit.
Background
Little night-light is soft, and the molding is changeable, and is of a great variety, and in the environment of dark, little night-light plays the effect that guides the illumination. Meanwhile, the small night lamp is rich in variety and strong in selectivity, and has home functions of decoration and ornamentation.
Along with the improvement of the living standard of people, various electronic equipment in the family should be in full use, sockets in the family are all electronic equipment which works by plugging in electricity everywhere, and the small night lamp can work after being connected with electricity. Current little night-light generally all is independent single little night-light, when using, roughly has two kinds of working methods, and a little night-light need insert the electricity work, nevertheless will occupy the position of a socket alone, and another kind of little night-light passes through battery powered work, also need charge the battery after the battery does not have the electricity.
However, when using little night-light at every turn, generally need occupy the socket and insert electric work or charge, when socket position is not enough, need external row of inserting or pull out other electronic equipment's electric wire, just can use little night-light, the people of not being convenient for use little night-light in daily life.
SUMMERY OF THE UTILITY MODEL
In order to improve the current little night-light need occupy the socket and insert electric work, be not convenient for people and use the drawback of little night-light in daily life, this application provides an embedded little night-light low pressure control circuit.
The application provides a following technical scheme is taken to embedded little night-light low pressure control circuit:
an embedded small night lamp low-voltage control circuit, comprising:
the control conversion module is used for setting the control mode of the light-emitting module into two modes of being controlled by embedded electronic equipment and being controlled by an illumination environment;
the input end of the voltage stabilization driving module is electrically connected to the control conversion module, the output end of the voltage stabilization driving module is electrically connected to the light-emitting module, and the voltage stabilization driving module is used for receiving the signal output by the control conversion module and driving the light-emitting module to emit light.
Through adopting the above technical scheme, people can manual regulation control conversion module, make light emitting module's luminous by illumination environmental control, when being in the dim environment of light, control conversion module output high level signal to steady voltage drive module, steady voltage drive module receives behind the high level signal, steady voltage drive module's output high voltage, make light emitting module luminous, thereby make little night-light luminous under dim environment, this moment, control the lighting of little night-light by the illumination environment on every side, the condition that little night-light need occupy socket plug-in work has been reduced effectively, people have made things convenient for and have used little night-light in daily life.
Preferably, the control conversion module includes a control conversion unit for converting a control access manner of the light emitting module and a signal detection unit for receiving and comparing a signal output by the control conversion unit, an output end of the control conversion unit is electrically connected to an input end of the signal detection unit, and an output end of the signal detection unit is electrically connected to the voltage stabilization driving module.
Through adopting above-mentioned technical scheme, people can manual regulation control conversion unit, make light emitting module's luminous can be truned into by the electronic equipment control of embedding into by illumination environmental control, when being in the dim environment of light, control conversion unit is to signal detection unit output high level signal, make signal detection unit receive high level signal, thereby to steady voltage drive module output high level signal, make steady voltage drive module's output high voltage, make light emitting module luminous, thereby make little night-light luminous under dim environment.
Preferably, the control conversion unit includes a single-pole double-throw switch SW1 and a light sensing portion electrically connected to the single-pole double-throw switch SW1, a first moving-end interface of the single-pole double-throw switch SW1 is electrically connected to the light sensing portion, a second moving-end interface of the single-pole double-throw switch SW1 is electrically connected to the embedded electronic device, and a non-moving-end interface of the single-pole double-throw switch SW1 is electrically connected to the input end of the signal detection unit.
Through adopting above-mentioned technical scheme, when people pressed single-pole double-throw SW1 and made motionless end interface and second move end interface electric connection, then luminous by the luminous module of embedded electronic equipment control for when controlling electronic equipment, control little night-light is luminous. When people press single-pole double-throw switch SW1 to make immovable end interface and first move end interface electric connection, then luminous by sensitization portion control light emitting module, under the dim circumstances of surrounding environment, sensitization portion receives the illumination output high level signal to the signal detection unit of surrounding environment, signal detection unit output high level to steady voltage drive module, give out light with drive light emitting module, thereby make little night-light luminous under dim environment, at this moment, control the lighting of little night-light by the illumination environment of surrounding, the condition that little night-light need occupy socket plug-in work has been reduced effectively, people have made things convenient for and have used little night-light in daily life.
Preferably, the light sensing portion includes a photodiode D1, and an anode of the photodiode D1 is electrically connected to the first moving-end interface of the single-pole double-throw switch SW 1.
Through adopting above-mentioned technical scheme, when people pressed single-pole double-throw switch SW1 and made motionless end interface and first when moving end interface electric connection, then luminous by photosensitive diode D1 control light emitting module, under the dim circumstances of surrounding environment, photosensitive diode D1 received the illumination output high level signal to the signal detection unit of surrounding environment, signal detection unit output high level to steady voltage drive module, with drive emitting diode D2 luminous, thereby make little night-light luminous under dim environment.
Preferably, the signal detection unit includes a voltage detection chip U1, a non-inverting input terminal of the voltage detection chip U1 is electrically connected to the non-moving terminal interface of the single-pole double-throw switch SW1, and an output terminal of the voltage detection chip U1 is electrically connected to the voltage stabilization driving module.
Through adopting above-mentioned technical scheme, under the dim circumstances of surrounding environment, photosensitive diode D1 receives the illumination output high level of surrounding environment to voltage detection chip U1's homophase input end, and at this moment, voltage detection chip U1's output high level to steady voltage drive module. On the contrary, under the bright ambient environment, the photodiode D1 receives the illumination of the ambient environment and outputs the low level to the non-inverting input terminal of the voltage detection chip U1, and at this time, the output terminal of the voltage detection chip U1 outputs the low level to the voltage stabilization driving module.
Preferably, the inverting input terminal of the voltage detection chip U1 is electrically connected to a reference portion for providing a set threshold value for illumination.
By adopting the technical scheme, under the condition that the ambient environment is dim, the reference part provides a set threshold value for the inverting input end of the voltage detection chip U1, the photosensitive diode D1 receives the illumination of the ambient environment and outputs a high level to the non-inverting input end of the voltage detection chip U1, the non-inverting input end of the voltage detection chip U1 is compared with the voltage of the inverting input end, and at the moment, the output end of the voltage detection chip U1 outputs the high level to the voltage stabilization driving module.
Preferably, the voltage-stabilizing driving module comprises a filtering unit for filtering noise of the external power supply and a driving unit for driving the light-emitting module to emit light, an input end of the filtering unit is electrically connected to an input end of the driving unit, and an output end of the driving unit is electrically connected to the light-emitting module.
Through adopting above-mentioned technical scheme, when voltage detection chip U1's output high level to steady voltage drive module, drive unit's output high voltage to light emitting module to the drive light emitting module is luminous, thereby makes little night-light luminous under dim environment.
Preferably, the driving unit includes a driving chip U2, an input pin of the driving chip U2 is electrically connected to the output end of the filtering unit, an output pin of the driving chip U2 is electrically connected to the input end of the light emitting module, and an enable pin of the driving chip U2 is electrically connected to the output end of the voltage detection chip U1.
Through adopting above-mentioned technical scheme, when drive chip U2's enable pin received the high level of voltage detection chip U1's output, drive chip U2's output pin output high voltage to light emitting module's input for emitting diode D2 is luminous, thereby makes little night-light luminous under dim environment.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the night lamp is in a dark environment, the conversion module is controlled to output a high-level signal to the voltage-stabilizing driving module, so that the output end of the voltage-stabilizing driving module outputs high voltage, the light-emitting module emits light, the condition that the small night lamp needs to occupy a socket for power plug-in work is effectively reduced, and the small night lamp is convenient for people to use in daily life;
2. through setting up single-pole double-throw switch SW1 for the control mode of light emitting module sets up to be controlled by the electronic equipment of embedding and by illumination environmental control dual mode, has made things convenient for people to the use of little night-light.
Drawings
Fig. 1 is a schematic diagram of an overall circuit structure according to an embodiment of the present application.
Fig. 2 is a schematic circuit diagram of a control conversion module in the embodiment of the present application.
Fig. 3 is a schematic circuit diagram of the voltage stabilization driving module and the light emitting module in the embodiment of the present application.
Description of reference numerals:
1. a control conversion module; 11. a control conversion unit; 111. a light sensing section; 12. a signal detection unit; 121. a reference part; 2. a voltage stabilization driving module; 21. a filtering unit; 22. a drive unit.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
Referring to fig. 1, the application discloses an embedded small night lamp low-voltage control circuit, which includes a control conversion module 1, a voltage stabilization driving module 2 and a light emitting module. The control conversion module 1 is electrically connected with the voltage stabilization driving module 2, and is used for setting the control MODE of the light emitting module to be controlled by a main control chip MODE _ GPIO # 9 of the embedded electronic equipment and to be controlled by an illumination environment; voltage stabilizing drive module 2 and luminescence module electric connection for the signal of receiving control conversion module 1 output, and drive luminescence module shines, and in this embodiment, luminescence module includes little night-light and the luminous emitting diode D2 of little night-light of control.
Referring to fig. 1 and 2, specifically, the control conversion module 1 includes a control conversion unit 11 for converting a control access mode of the light emitting module, and a signal detection unit 12 for receiving and comparing signals output by the control conversion unit 11, and the control conversion unit 11 is electrically connected to the signal detection unit 12.
Referring to fig. 1 and 2, the control switching unit 11 includes a single-pole double-throw switch SW1 and a light sensing portion 111 electrically connected to the single-pole double-throw switch SW1, the model of the single-pole double-throw switch SW1 is MSK1108, and the single-pole double-throw switch SW1 has two moving-end interfaces and two non-moving-end interfaces. The two movable end interfaces are respectively a first movable end interface and a second movable end interface, the first movable end interface is electrically connected to the output end of the light sensing portion 111, the second movable end interface is electrically connected to the main control chip MODE _ GPIO # 9 of the embedded electronic device, and the fixed end interface is electrically connected to the input end of the signal detection unit 12. When the stationary port is electrically connected to the first movable port, the light sensing portion 111 controls the light emitting module to emit light, and when the stationary port is electrically connected to the second movable port, the main control chip MODE _ GPIO # 9 of the embedded electronic device controls the light emitting module to emit light.
Specifically, the light sensing portion 111 includes a photodiode D1 and a peripheral standard circuit of the photodiode D1, an anode of the photodiode D1 is electrically connected to a first moving terminal interface of the single-pole double-throw switch SW1, an anode of the photodiode D1 is also electrically connected to an external power supply, a voltage of the external power supply is 3.3V, a cathode of the photodiode D1 is grounded, when the non-moving terminal interface is electrically connected to the first moving terminal interface, the photodiode receives illumination of a surrounding environment, outputs a signal to the first moving terminal interface, and outputs the signal to the signal detection unit 12 through the non-moving terminal interface.
Referring to fig. 1 and 2, specifically, the signal detection unit 12 includes a voltage detection chip U1 and a peripheral standard circuit of the voltage detection chip U1, the voltage detection chip U1 serves as a voltage comparator, and the model of the voltage detection chip U1 is an SGM8707YN5GTR chip. The non-inverting input end of the SGM8707YN5GTR chip is electrically connected to the non-moving end interface so as to receive signals output by the first moving end interface or the second moving end interface. The inverting input end of the SGM8707YN5GTR chip is electrically connected with a reference part 121 used for providing an illumination set threshold, the reference part 121 comprises a resistor R1 and a resistor R2, the resistor R1 is connected with the resistor R2 in parallel, the resistor R1 and the resistor R2 are used for providing the illumination set threshold for the SGM8707YN5GTR chip, and the output end of the SGM8707YN5GTR chip is electrically connected with the voltage stabilizing driving module 2. When the stationary end interface is electrically connected with the first moving end interface, and the ambient environment is dim, the photodiode D1 receives the illumination output high level of the ambient environment to the non-inverting input end of the SGM8707YN5GTR chip, the non-inverting input end of the SGM8707YN5GTR chip is compared with the voltage of the inverting input end, and at this time, the output end of the SGM8707YN5GTR chip outputs the high level to the voltage stabilization driving module 2. On the contrary, under the condition of bright ambient environment, the photodiode D1 receives the ambient light and outputs a low level to the non-inverting input terminal of the SGM8707YN5GTR chip, the non-inverting input terminal of the SGM8707YN5GTR chip is compared with the voltage of the inverting input terminal, and at this time, the output terminal of the SGM8707YN5GTR chip outputs a low level to the voltage stabilizing driving module 2.
Referring to fig. 1 and 3, the voltage stabilization driving module 2 includes a filtering unit 21 for filtering noise of the external power supply and a driving unit 22 for driving the light emitting module to emit light, and the filtering unit 21 is electrically connected to the driving unit 22. Specifically, the filter unit 21 includes two capacitors connected in parallel, the two capacitors are a first capacitor C1 and a second capacitor C2, the first capacitor C1 is a low-frequency filter capacitor, the second capacitor C2 is a high-frequency filter capacitor, an anode of the first capacitor C1 is electrically connected to the input end of the drive unit 22, and an anode of the second capacitor C2 is electrically connected to the input end of the drive unit 22. By connecting the two capacitors in parallel, the filtered voltage is output to the driving unit 22.
Specifically, the driving unit 22 includes a driving chip U2 and a peripheral standard circuit of the driving chip U2, the model of the driving chip U2 is an STI9712 chip, and the STI9712 chip is configured to receive a signal output by an output terminal of the SGM8707YN5GTR chip and output a high voltage or a low voltage to the light emitting module. An input pin of the STI9712 chip is electrically connected to an output terminal of the filtering unit 21, an output pin of the STI9712 chip is electrically connected to an input terminal of the light emitting module, and an enable pin of the STI9712 chip is electrically connected to an output terminal of the SGM8707YN5GTR chip. When the enable pin of the STI9712 chip receives the high level output by the output terminal of the SGM8707YN5GTR chip, the output pin of the STI9712 chip outputs a high voltage to the input terminal of the light emitting module, so that the light emitting diode D2 emits light, and thus the small night light emits light in a dim environment. When the enable pin of the STI9712 chip receives the low level output by the output terminal of the SGM8707YN5GTR chip, the output pin of the STI9712 chip outputs a low voltage to the input terminal of the light emitting module, so that the light emitting diode D2 is not lit, and the small night light does not emit light in a bright environment.
The implementation principle of the embodiment of the application is as follows: when people press the single-pole double-throw switch SW1 to enable the fixed end interface to be electrically connected with the second movable end interface, the main control chip MODE _ GPIO # 9 of the embedded electronic equipment controls the light-emitting module to emit light, so that the small night light is controlled to emit light while the electronic equipment is controlled. When people press the single-pole double-throw switch SW1 to enable the immovable end interface to be electrically connected with the first movable end interface, the light emitting module is controlled by the photosensitive diode D1 to emit light, under the dim surrounding condition, the photosensitive diode D1 receives the illumination output high level signal of the surrounding environment and sends the high level signal to the signal detection unit 12, the signal detection unit 12 compares the signal voltage with the set threshold value, the signal detection unit 12 outputs the high level signal to the voltage stabilization driving module 2 to drive the light emitting diode D2 to emit light, so that the small night lamp emits light under the dim environment, at the moment, the lighting of the small night lamp is controlled by the ambient illumination environment, the condition that the small night lamp needs to occupy a socket to be plugged in electricity to work is effectively reduced, and the small night lamp is convenient to be used in daily life by people.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. An embedded little night-light low-voltage control circuit which characterized in that includes:
the control conversion module (1) is electrically connected with a light emitting module at the output end of the control conversion module (1), and the control conversion module (1) is used for enabling the control mode of the light emitting module to be controlled by embedded electronic equipment and controlled by an illumination environment;
the voltage stabilizing driving module (2), the input end of the voltage stabilizing driving module (2) is electrically connected to the control conversion module (1), the output end of the voltage stabilizing driving module (2) is electrically connected to the light emitting module, and the voltage stabilizing driving module (2) is used for receiving the signal output by the control conversion module (1) and driving the light emitting module to emit light.
2. The embedded type small night lamp low-voltage control circuit as claimed in claim 1, wherein: the control conversion module (1) comprises a control conversion unit (11) for converting a control access mode of the light emitting module and a signal detection unit (12) for receiving and comparing signals output by the control conversion unit (11), wherein the output end of the control conversion unit (11) is electrically connected to the input end of the signal detection unit (12), and the output end of the signal detection unit (12) is electrically connected to the voltage stabilization driving module (2).
3. The embedded small night lamp low-voltage control circuit as claimed in claim 2, wherein: the control conversion unit (11) comprises a single-pole double-throw switch SW1 and a light sensing part (111) electrically connected to the single-pole double-throw switch SW1, a first moving end interface of the single-pole double-throw switch SW1 is electrically connected to the light sensing part (111), a second moving end interface of the single-pole double-throw switch SW1 is electrically connected to the embedded electronic equipment, and a non-moving end interface of the single-pole double-throw switch SW1 is electrically connected to the input end of the signal detection unit (12).
4. The embedded type small night lamp low-voltage control circuit as claimed in claim 3, wherein: the light sensing part (111) comprises a photosensitive diode D1, and the anode of the photosensitive diode D1 is electrically connected to the first moving end interface of the single-pole double-throw switch SW 1.
5. The embedded small night lamp low-voltage control circuit as claimed in claim 3, wherein: the signal detection unit (12) comprises a voltage detection chip U1, the in-phase input end of the voltage detection chip U1 is electrically connected to the motionless end interface of the single-pole double-throw switch SW1, and the output end of the voltage detection chip U1 is electrically connected to the voltage stabilization driving module (2).
6. The embedded small night lamp low-voltage control circuit as claimed in claim 5, wherein: the inverting input end of the voltage detection chip U1 is electrically connected with a reference part (121) for providing a set threshold value of illumination.
7. The embedded small night lamp low-voltage control circuit as claimed in claim 5, wherein: the voltage stabilization driving module (2) comprises a filtering unit (21) used for filtering noise waves of an external power supply and a driving unit (22) used for driving the light emitting module to emit light, the input end of the filtering unit (21) is electrically connected to the input end of the driving unit (22), and the output end of the driving unit (22) is electrically connected to the light emitting module.
8. The embedded type small night lamp low-voltage control circuit as claimed in claim 7, wherein: the driving unit (22) comprises a driving chip U2, an input pin of the driving chip U2 is electrically connected to the output end of the filtering unit (21), an output pin of the driving chip U2 is electrically connected to the input end of the light-emitting module, and an enabling pin of the driving chip U2 is electrically connected to the output end of the voltage detection chip U1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221935159.9U CN217904697U (en) | 2022-07-25 | 2022-07-25 | Embedded little night-light low-voltage control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221935159.9U CN217904697U (en) | 2022-07-25 | 2022-07-25 | Embedded little night-light low-voltage control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217904697U true CN217904697U (en) | 2022-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221935159.9U Active CN217904697U (en) | 2022-07-25 | 2022-07-25 | Embedded little night-light low-voltage control circuit |
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| Country | Link |
|---|---|
| CN (1) | CN217904697U (en) |
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- 2022-07-25 CN CN202221935159.9U patent/CN217904697U/en active Active
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