CN211149224U

CN211149224U - Isolated bathroom mirror switch circuit

Info

Publication number: CN211149224U
Application number: CN201921700744.9U
Authority: CN
Inventors: 谢佩云
Original assignee: Shenzhen Aschip Tech Co ltd
Current assignee: Shenzhen Aschip Tech Co ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-07-31
Anticipated expiration: 2029-10-10

Abstract

The utility model relates to the technical field of bathroom mirrors, in particular to an isolated bathroom mirror switch circuit, which comprises a lamp connected with a power supply and a detection device used for detecting whether a human body is near a preset position of the bathroom mirror and outputting a human body induction signal; a control device coupled to the detection device and responding to the human body induction signal to output a control signal; the switching device is coupled to the output end of the control device and responds to the control signal to output an execution signal to the lamp so as to control the lamp to be turned on or off; and the power supply module is used for supplying power to the control device, and when the detection device detects a human body signal, the switch device outputs an execution signal to the lamp to enable the lamp to be on. The utility model discloses during the use, can be fast and safe open or close the switch of lamps and lanterns in the bathroom, the contrast generally goes to the condition of opening or closing lamps and lanterns switch with wet hand, has improved the security greatly.

Description

Isolated bathroom mirror switch circuit

Technical Field

The utility model relates to a bathroom mirror technical field especially relates to an isolated bathroom mirror switch circuit.

Background

At present, bathroom lamps are often installed in a bathroom to achieve an illumination effect, so that a user can conveniently wash the face and the mouth. The current bathroom lamp mainly is the switch of installing on the wall, because service environment's particularity, the hand is wet when generally using the switch, if go to turn on or close bathroom lamp this moment, then has the hidden danger of electrocution, if the user is child, can cause serious potential safety hazard to child even more, to this, awaits improving.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an isolated bathroom mirror switch circuit.

The above object of the present invention can be achieved by the following technical solutions:

an isolated bathroom mirror switch circuit comprises a lamp connected with a power supply, and a detection device for detecting whether a human body is positioned near a preset position of a bathroom mirror and outputting a human body induction signal; a control device coupled to the detection device and responding to the human body induction signal to output a control signal; the switching device is coupled to the output end of the control device and responds to the control signal to output an execution signal to the lamp so as to control the lamp to be turned on or off; and the power supply module is used for supplying power to the control device, and when the detection device detects a human body signal, the switch device outputs an execution signal to the lamp to enable the lamp to be on.

By adopting the technical scheme, when the detection device detects that a human body signal exists near the preset position of the bathroom mirror, the detection device outputs the human body detection signal to the control device, the control device receives the human body detection signal and converts the received analog signal into a digital signal through the self analog-to-digital converter, and outputs a control signal to the switch device from the output end, so that the switch device outputs an execution signal to the lamp, the lamp is enabled to be on, and compared with the condition that the lamp is turned on or off by a wet hand, the potential safety hazard is effectively reduced, and the safety of a user is greatly improved.

The utility model discloses further set up to: the detection device comprises an OR gate and a touch switch, wherein one output end of the touch switch is coupled to a first input end of the OR gate, and a second input end of the OR gate is coupled to an input end of the control device.

By adopting the technical scheme, when the output port of the touch switch outputs a sine waveform signal to the first input end of the OR gate, the OR gate receives the high level signal, at the moment, the OR gate outputs the high level signal, and then the high level signal is input into the control device, so that the control device can output the preset control signal conveniently.

The utility model discloses further set up to: the switch device comprises a switch element and a touch indication module, the switch element is coupled to the control device and responds to a control signal to output a switch signal, the touch indication module is coupled to the switch element and responds to the switch signal to output a touch indication signal, and the lamp is coupled to the touch indication module and responds to the touch indication signal to realize on and off.

By adopting the technical scheme, when the switch element receives the high-level signal, the switch element is switched on, and then the switch signal is output to the touch indication module, and the touch indication module outputs the touch indication signal to the lamp after receiving the switch signal, so that the lamp is switched on.

The utility model discloses set up as still include the work indication module, the one end of work indication module is coupled in power, other end ground connection, and when the work indication module was coupled in the power, emitting diode L ED1 in the work indication module was in the normal bright state.

By adopting the technical scheme, the set work indication module is convenient to play a role in prompting on the one hand, and plays a role in guiding on the other hand, so that a user can quickly open the touch switch.

The utility model is further provided that the power supply module comprises a voltage stabilizer with the model number of 78L 05.

By adopting the technical scheme, 78L 05 is a fixed-voltage three-terminal integrated voltage regulator which is suitable for many application occasions, and due to the excellent internal current limiting and thermal shutdown characteristics, the voltage regulator is suitable for overload conditions.

The utility model discloses further set up to: the control device model is AS275_ 8A.

By adopting the technical scheme, the control device of the type has strong applicability, wide applicability, relatively low price and relatively low cost.

The utility model discloses further set up to: and a capacitor C4 is connected between the working power supply end and the grounding end of the control device.

By adopting the technical scheme, the arranged capacitor plays a role in filtering, so that the input voltage waveform of the control device is more stable, and the output voltage of the control device is more stable.

To sum up, the utility model discloses a beneficial technological effect does:

through lamps and lanterns, touch switch, controlling means and switching device's mutually supporting, enable the safe switch in opening the bathroom of user, the reduction electric shock condition takes place, install behind the bathroom mirror when touch switch promptly, and the bathroom mirror back is when sealed condition, before the user opens the bathroom lamp, must touch the glass on the bathroom mirror earlier, also can open touch switch indirectly through touch glass, through this mode, even if the staff is wet, also not have the contact danger, the security improves greatly.

Drawings

Fig. 1 is a schematic circuit diagram of a power module according to embodiment 1 of the present invention;

fig. 2 is a schematic circuit diagram of a detection device and a control device in embodiment 1 of the present invention;

fig. 3 is a schematic position diagram of the bathroom mirror and the panel touch switch according to embodiment 1 of the present invention;

fig. 4 is a schematic circuit diagram of the infrared pyroelectric human body sensor and the control device in embodiment 2 of the present invention.

Reference numerals: 1. a light fixture; 2. a detection device; 21. a touch switch; 3. a control device; 4. a switching device; 41. a work indication module; 42. a switching element; 43. a touch indication module; 5. a power supply module; 6. a panel touch switch; 7. bathroom mirrors; 8. a wall body; 9. an infrared pyroelectric human body sensor.

Detailed Description

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

Example 1: an isolated bathroom mirror switch circuit is disclosed, AS shown in fig. 1 and fig. 2, and comprises a lamp 1, a detection device 2, a control device 3, a switch device 4 and a power module 5, wherein the power module 5 is used for supplying power to the control device 3, the detection device 2 comprises an or gate and a touch switch 21, an output end of the touch switch 21 is coupled to a first input end of the or gate, a second input end of the or gate is grounded, an output end of the or gate is coupled to an input end of the control device 3, the control device 3 is a single chip microcomputer, the single chip microcomputer is of type AS275_8A, when the control device 3 receives a signal output by the touch switch 21, a control signal is output, the switch device 4 is coupled to an output end of the control device 3 and responds to the control signal to output an execution signal, the lamp 1 is connected to the switch device 4 and is connected to a 12V power supply power to the lamp 1, when the lamp 1 receives, the lamp 1 is on, and the lamp 1 may be a panel lamp or a kitchen lamp.

Specifically, power module 5 includes the stabiliser of model 78L 05, electric capacity C1, electric capacity C2 and electric capacity C3, grounding end (1 foot) ground connection of power module 5, output (2 feet) are coupled in controlling means 3's power end (VDD end), 12V's voltage is coupled in the input, electric capacity C1's one end is coupled in the input of stabiliser, the other end ground connection, electric capacity C1 plays the filtering action, it is more stable to be convenient for the voltage waveform of inputing to the stabiliser, electric capacity C2's one end is coupled in the output of stabiliser, the other end ground connection, electric capacity C3 one end is coupled in the output of stabiliser, the other end ground connection, electric capacity C2 and electric capacity C3 can make stabiliser output waveform more stable.

The ground terminal (pin 8) of the control device 3 is grounded, a capacitor C4 is connected between the power terminal (VDD terminal) and the ground terminal (VSS terminal), and the capacitor C4 plays roles of clutter removal and filtering.

The switch device 4 includes a switch element 42, a touch indication module 43 and an operation indication module 41, wherein the switch element 42 is an NPN-type transistor Q, a base of the transistor Q is coupled to the output terminal of the control device 3, an emitter of the transistor Q is grounded, a collector of the transistor Q is coupled to the touch indication module 43, the touch indication module 43 includes a resistor R2, a light emitting diode L ED2 and a 12V dc power supply, a cathode of the light emitting diode L ED2 is coupled to the resistor R2, another end of the resistor R2 is coupled to the collector of the transistor Q, an anode of the light emitting diode L ED2 is coupled to the lamp 1, another end of the lamp 1 is coupled to the 12V dc power supply, and when the light emitting diode L ED2 is turned on.

The operation indication module 41 includes a resistor R3, a light emitting diode L ED1, and a resistor R1, wherein one end of the resistor R3 is coupled to the 12V dc power supply, the other end of the resistor R3 is coupled to the anode of the light emitting diode L ED1, the cathode of the light emitting diode L ED1 is coupled to the resistor R1, the other end of the resistor R1 is grounded, and when the light emitting diode L ED1 is connected to the 12V dc power supply for a long time, the light emitting diode L ED1 is in a normally bright state and emits red light.

As shown in fig. 2 and fig. 3, in the present embodiment, the detecting device 2, the controlling device 3 and the switch device 4 are integrated into the panel touch switch 6, when the panel touch switch 6 is actually installed, silver plating needs to be removed from the bathroom mirror 7 according to the area size (or pattern) of the panel touch switch 6, glass with the area size (or pattern) of the panel touch switch 6 is left, then the panel touch switch 6 is stuck from the back of the mirror, in addition, the touch switch 21 panel itself emits faint light, so at night, the bathroom mirror 7 will have a light-emitting pattern on the surface of the control switch position, the pattern is a switch, when the switch is pressed, a corresponding signal can be output according to the function requirement, and the lamp 1 in the bathroom can be lighted.

In addition, a clamping groove with the same area as that of the panel touch switch 6 can be formed in the wall 8, the panel touch switch 6 is clamped on the clamping groove, and finally the bathroom mirror 7 with the silver plating removed is aligned to the surface of the panel of the touch switch 21, and the back of the preset position of the bathroom mirror 7 is stably adhered to the panel touch switch 6.

The touch switch 21 can still achieve the purpose of sensing the hand of a person through a layer of glass (the thickness is 5mm, and the sensitivity is adjusted according to practical application occasions), and can still monitor the touch signal of the hand of the person, so that the isolated switch is provided with a possibility of electric shock discharge.

The working principle is as follows: the surface of the touch switch 21 panel is made of a special electroplating material, the surface is densely and fully filled with capacitors to form a capacitor matrix, the capacitors are not released when no person touches the touch switch at ordinary times, the touch switch is in a full-power state, no electric signal is generated, and the output port of the control panel does not output a sinusoidal signal.

When a finger of a person scratches or makes contact with the surface of the switch on the bathroom mirror 7, the capacitor of the control panel instantaneously releases electric charges, so that a sine wave signal is output from the output port of the touch switch 21 to the first input end of the or gate at the position, a high level signal is output to the control device 3 after the or gate receives the high level signal, the control device 3 outputs the high level signal to the base electrode of the triode Q after receiving the high level signal, at the moment, the triode Q is conducted, the lamp 1 and the light emitting diode L ED2 are bright, and accordingly, the switch of the lamp 1 can be indirectly opened through glass, and the situation that the wet hand directly contacts the switch to cause electric shock is avoided.

Example 2: as shown in fig. 4, the difference from embodiment 1 lies in the receiving manner of the detection signal, in this embodiment, the detection signal is provided by the infrared pyroelectric human body sensor 9 instead of the touch switch 21, and other circuit parts are the same as those in the first embodiment.

The implementation principle is that when a hand signal is sensed on a switch of the bathroom mirror 7, a detection signal is output to an OR gate, a high-level signal is output to the control device 3 after the OR gate receives the high-level signal, the control device 3 outputs a high level to a base electrode of the triode Q after receiving the high-level signal, at the moment, the triode Q is conducted, and the lamp 1 and the light-emitting diode L ED1 are lightened.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an isolated bathroom mirror switch circuit, is including connecing lamps and lanterns (1) of power, its characterized in that: the detection device (2) is used for detecting whether a human body is positioned near a preset position of the bathroom mirror (7) or not and outputting a human body induction signal; a control device (3) coupled to the detection device (2) and responsive to the human body sensing signal to output a control signal; the switch device (4) is coupled with the output end of the control device (3) and responds to the control signal to output an execution signal to the lamp (1) so as to control the lamp (1) to be turned on or off; and the power supply module (5) is used for supplying power to the control device (3), and when the detection device (2) detects a human body signal, the switch device (4) outputs an execution signal to the lamp (1) to enable the lamp (1) to be turned on.

2. An isolated bathroom mirror switch circuit as claimed in claim 1, wherein said detection means (2) comprises an or gate and a touch switch (21), an output terminal of the touch switch (21) being coupled to a first input terminal of the or gate, and a second input terminal of the or gate being coupled to an input terminal of the control means (3).

3. An isolated bathroom mirror switch circuit as claimed in claim 1, wherein said switch means (4) comprises a switch element (42) and a touch indication module (43), said switch element (42) is coupled to the control means (3) and is responsive to a control signal to output a switch signal, said touch indication module (43) is coupled to the switch element (42) and is responsive to a switch signal to output a touch indication signal, said lamp is coupled to the touch indication module (43) and is responsive to the touch indication signal to implement on/off.

4. An isolated bathroom mirror switch circuit as claimed in claim 3, wherein said switch means (4) further comprises an operation indication module (41), one end of said operation indication module (41) is coupled to a power supply, the other end is grounded, and when said operation indication module (41) is coupled to the power supply, the light emitting diode L ED1 in said operation indication module (41) is in a normally on state.

5. An isolated bathroom mirror switch circuit as claimed in claim 1, wherein said power supply module (5) comprises a 78L 05 model voltage regulator.

6. An isolated bathroom mirror switch circuit AS claimed in claim 1, wherein said control means (3) is of the type AS275_ 8A.

7. An isolated bathroom mirror switch circuit as claimed in claim 1, characterized in that a capacitor C4 is connected between the working power supply terminal and the ground terminal of the control device (3).