CN217285329U - Automatic defogging control circuit for bathroom mirror - Google Patents
Automatic defogging control circuit for bathroom mirror Download PDFInfo
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- CN217285329U CN217285329U CN202122433066.8U CN202122433066U CN217285329U CN 217285329 U CN217285329 U CN 217285329U CN 202122433066 U CN202122433066 U CN 202122433066U CN 217285329 U CN217285329 U CN 217285329U
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Abstract
The utility model discloses an automatic demisting control circuit for bathroom mirrors, which comprises a temperature and humidity detection module, a demisting membrane interface module, a demisting switch module, a voice input recognition module, a voice broadcasting module, a power supply module and a control module; the first output end of the power supply module is electrically connected with one end of the defogging film interface module, the other end of the defogging film interface module is electrically connected with the input end of the defogging switch module, and the second output end of the power supply module is electrically connected with the control module, the voice input recognition module, the voice broadcast module and the temperature and humidity detection module; the output end of the demisting switch module is grounded, and the control end of the demisting switch module, the voice input recognition module and the temperature and humidity detection module are respectively electrically connected with the control module. Adopt the utility model discloses, can solve the problem that the experience effect is poor and the power consumption is big that current bathroom mirror brought because of needs longer time defogging.
Description
Technical Field
The utility model relates to a bathroom field especially relates to an automatic defogging control circuit of bathroom mirror.
Background
At present, bathroom mirrors with a defogging function on the market rely on a manual operation key switch to perform the defogging function, and the defogging function cannot be started in advance according to the condensation of fog on the mirror surface caused by ambient temperature and humidity identification of ambient air, so that the bathroom mirrors are not intelligent enough. When the user finds that the mirror is fogged, the defogging function is started again, but the fog on the mirror surface can be eliminated only in a long time, and the user experience effect is poor. In addition, such manipulations require touching the mirror surface, leaving finger marks on the mirror surface that are unsightly and also result in bacterial contamination of the hand.
Still some detect that someone just opens defogging work according to human response, this kind has a problem, just has whether to open defogging work with the fog, and the power consumption is big.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an automatic defogging control circuit of bathroom mirror is provided, can solve the problem that the experience effect is poor and the power consumption is big that current bathroom mirror brought because of needing the longer time defogging.
In order to solve the technical problem, the utility model provides an automatic demisting control circuit for bathroom mirror, which comprises a temperature and humidity detection module, a demisting membrane interface module, a demisting switch module, a voice input recognition module, a voice broadcast module, a power supply module and a control module; the first output end of the power supply module is electrically connected with one end of the defogging film interface module, the other end of the defogging film interface module is electrically connected with the input end of the defogging switch module, and the second output end of the power supply module is electrically connected with the control module, the voice input recognition module, the voice broadcast module and the temperature and humidity detection module; the output end of the demisting switch module is grounded, the control end of the demisting switch module, the voice input recognition module and the temperature and humidity detection module are respectively electrically connected with the control module, and the voice broadcasting module is electrically connected with the voice input recognition module.
Preferably, the temperature and humidity detection module comprises a temperature and humidity sensor chip, a first resistor and a second resistor; the power supply end of the temperature and humidity sensor chip is electrically connected with the output end of the second voltage conversion unit; a clock signal end of the temperature and humidity sensor chip is electrically connected with the control module and is electrically connected with an output end of the second voltage conversion unit through the first resistor; the data signal end of the temperature and humidity sensor chip is electrically connected with the control module and is electrically connected with the output end of the second voltage conversion unit through the second resistor; and the grounding end of the temperature and humidity sensor chip is grounded.
Preferably, the defogging switch module includes a first MOS transistor, a third resistor, a fourth resistor, a fifth resistor, and a first capacitor; the drain electrode and the source electrode of the first MOS tube are respectively the input end and the output end of the defogging switch module, and the source electrode of the first MOS tube is grounded and is electrically connected with the drain electrode of the first MOS tube sequentially through the first capacitor and the fifth resistor; one end of the third resistor is a control end of the defogging switch module, and the other end of the third resistor is electrically connected with the grid electrode of the first MOS tube and is grounded through the fourth resistor.
Preferably, the voice input recognition module comprises a voice recognition unit, a sixth resistor and a seventh resistor; the first end and the second end of the voice recognition unit are respectively electrically connected with the voice broadcasting module; the third end of the voice recognition unit is electrically connected with the second output end of the power supply module; the fourth end of the voice recognition unit is electrically connected with the control module through the sixth resistor; the fifth end of the voice recognition unit is electrically connected with the control module through the seventh resistor; the sixth end of the voice recognition unit is grounded.
Preferably, the voice broadcasting module comprises a voice broadcasting unit, an eighth resistor and a ninth resistor; the first end of the voice broadcasting unit is electrically connected with the second output end of the power supply module; the second end of the voice broadcasting unit is electrically connected with the voice input recognition module through the eighth resistor; the third end of the voice broadcasting unit is electrically connected with the voice input recognition module through the ninth resistor; and the fourth end of the voice broadcasting unit is grounded.
Preferably, the bathroom mirror automatic demisting control circuit further comprises a human body induction module, wherein the human body induction module comprises a human body induction sensor unit, a first current limiting unit, a second current limiting unit and a first filtering unit; the human body induction sensor unit is electrically connected with the control module through the first current limiting unit; the human body induction sensor unit is electrically connected with the output end of the second voltage conversion unit through the second current limiting unit and is grounded through the first filtering unit.
Preferably, the bathroom mirror automatic demisting control circuit further comprises a display module and an illumination module; the display module comprises a display unit, a third current limiting unit, a fourth current limiting unit and a second filtering unit, the display unit is electrically connected with the control module through the third current limiting unit, and the display unit is electrically connected with the output end of the second voltage conversion unit through the fourth current limiting unit and is grounded through the second filtering unit; the lighting module comprises a lighting unit, a first switch unit and a fifth current-limiting unit, wherein the input end of the first switch unit is electrically connected with the power supply module through the lighting unit, the control end of the first switch unit is electrically connected with the control module through the fifth current-limiting unit, and the output end of the first switch unit is grounded.
Preferably, the power supply module comprises a power supply unit, a first voltage conversion unit, a second voltage conversion unit, a voltage detection unit, a second switch unit, a charging conversion unit and an indication unit; the input end of the first voltage conversion unit is a first output end of the power supply module and is electrically connected with the power supply unit and the voltage detection unit, the output end of the first voltage conversion unit is electrically connected with the input end of the second voltage conversion unit, and the output end of the second voltage conversion unit is a second output end of the power supply module; the control end, the voltage detection unit and the indication unit of the second switch unit are respectively electrically connected with the control module, the input end of the second switch unit is electrically connected with the charging conversion unit, and the output end of the second switch unit is electrically connected with the charging end of the power supply unit.
Preferably, the first switching unit and the second switching unit each include a second MOS transistor, a tenth resistor, an eleventh resistor, and a sixth capacitor; the grid electrode, the drain electrode and the source electrode of the second MOS tube are respectively a control end, an input end and an output end of the first switch unit or the second switch unit; the grid electrode of the second MOS tube is grounded through the tenth resistor; the source electrode of the second MOS tube is grounded and is electrically connected with the drain electrode of the second MOS tube sequentially through the sixth capacitor and the eleventh resistor.
Preferably, the bathroom mirror automatic defogging control circuit further comprises a wireless communication module, and the wireless communication module is electrically connected with the second output end of the power supply module and the control module.
Implement the utility model has the advantages that:
the utility model discloses, through the humiture signal of temperature and humidity detection module detection ambient air, through defogging membrane interface module inserts the defogging membrane, through the control module according to the humiture signal control of ambient air the on off state of defogging switch module, and then control the running state of defogging membrane; and the voice input recognition module is used for recognizing a voice command of a user to control a switch defogging function, and a voice broadcasting prompt is made through the voice broadcasting module according to a response condition. The utility model can control the heating work of the defogging film in advance when the fog is about to be generated, so that the surface of the bathroom mirror can not generate the fog, and the surface of the bathroom mirror can be kept dry and has no fog; the utility model discloses can also pass through voice input recognition module judges the speech information of user's input, convert the speech information of user's input to signal of telecommunication and give control module, control module discerns the control command that voice input recognition module sent and come, send corresponding voice broadcast command control voice broadcast module through the serial ports and send sound in order to make a response in order to user's call, and control the defogging switch according to control command, thereby make the user need not the touching mirror surface and can realize the automatic defogging function of mirror surface, not only safe simple and convenient, and the defogging function can be opened and close according to user's demand control, can solve the current bathroom mirror because of the poor and bathroom mirror self-detection of the experience effect that the longer time defogging brought opens the big problem of electric energy loss that automatic defogging leads to.
Drawings
FIG. 1 is a schematic block diagram of an automatic defogging control circuit for bathroom mirrors provided by the present invention;
fig. 2 is a circuit diagram of a control module provided by the present invention;
fig. 3 is a circuit diagram of the temperature and humidity detecting module provided by the present invention;
fig. 4 is a circuit diagram of a defogging switch module provided by the present invention;
fig. 5 is a circuit diagram of a speech input recognition module provided by the present invention;
fig. 6 is a circuit diagram of the voice broadcasting module provided by the present invention;
fig. 7 is a schematic block diagram of the human body sensing module provided by the present invention;
fig. 8 is a schematic block diagram of a display module provided by the present invention;
fig. 9 is a functional block diagram of a lighting module provided by the present invention;
fig. 10 is a schematic block diagram of a power supply module provided by the present invention;
fig. 11 is a circuit diagram of a first voltage conversion unit provided by the present invention;
fig. 12 is a circuit diagram of a second voltage conversion unit provided by the present invention;
fig. 13 is a schematic block diagram of a first switch unit provided by the present invention;
fig. 14 is a schematic block diagram of a second switch unit provided in the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.
As shown in fig. 1, the utility model provides an automatic demisting control circuit for bathroom mirror, which comprises a temperature and humidity detection module 1, a demisting membrane interface module 10, a demisting switch module 3, a voice input recognition module 4, a voice broadcast module 5, a power supply module 6 and a control module 7; a first output end of the power supply module 6 is electrically connected with one end of the defogging film interface module 10, the other end of the defogging film interface module 10 is electrically connected with an input end of the defogging switch module 3, and a second output end of the power supply module 6 is electrically connected with the control module 7, the voice input recognition module 4, the voice broadcast module 5 and the temperature and humidity detection module 1; the output of defogging switch module 3 is grounded, the control end of defogging switch module 3, voice input recognition module 4 and temperature and humidity detection module 1 respectively with control module 7 electric connection, voice broadcast module 5 with voice input recognition module 4 electric connection.
It should be noted that, as shown in fig. 2, the control module 7 is a single chip microcomputer U3, but is not limited thereto; the singlechip integrates various components such as an arithmetic unit, a controller, a memory, an input/output device and the like, and realizes various functions such as signal processing, data storage and the like. For example, an arithmetic unit includes a large number of comparison circuits, and can perform logical operation processing on a received signal instruction.
The utility model discloses, through the humiture signal of temperature and humidity detection module 1 detection ambient air, through defogging membrane interface module 10 inserts the defogging membrane, through control module 7 according to the humiture signal control of ambient air the on off state of defogging switch module 3, and then control the running state of defogging membrane; and the voice command of the user is identified through the voice input identification module to control the switch defogging function, and a voice broadcasting prompt is made through the voice broadcasting module 5 according to the response condition. By adopting the utility model, the problems of poor experience effect and large energy consumption caused by long-time demisting of the prior bathroom mirror can be solved; the utility model can control the heating work of the defogging film in advance when the fog is about to be generated, so that the mirror surface of the bathroom mirror can not generate the fog, and the mirror surface is kept dry and has no fog; the utility model discloses can also pass through speech input recognition module judges the speech information of user's input, converts the speech information of user's input into the signal of telecommunication and sends for control module, and control module discerns the control command that speech input recognition module sent and come, sends corresponding voice broadcast command control voice broadcast module through the serial ports and sends sound in order to make a response to user's call to control the defogging switch according to control command.
Specifically, because the bathroom mirror with the defogging function on the market at present can only rely on the defogging function of the manual operation key switch, the defogging function can not be started in advance according to the condensation of the environmental air on the mirror surface caused by the environmental temperature and humidity identification. When the user finds that the mirror is fogged, the defogging function is started again, but the fog on the mirror surface can be eliminated only in a long time, and the user experience effect is poor. This technique senses the environment in the air humidity through temperature and humidity detection module 1, will lead to the mirror surface to condense water smoke but open defogging work promptly when not beginning to produce water smoke yet, makes the mirror surface keep dry no fog constantly, overcomes traditional defogging bathroom mirror and experiences not good problem. Through obtaining air temperature and humidity data in the environment that the sensor sense was gathered, further whether reach the condition of hazing through judging current ambient temperature value and humidity value, combine the voice command control switch defogging function of speech input recognition module input to voice broadcast suggestion is made according to the response condition, promotion user experience effect. The utility model discloses mainly solve bathroom mirror product and need open the problem of defogging function through the mode of operation button to and solve and only use human response module response to have the people activity to open the defogging function and intelligent problem inadequately. The utility model discloses a saying that different voice command can realize that control opens automatic defogging, closes automatic defogging, sets up automatic defogging time quantum, defogging immediately, closes a series of instructions such as defogging, can also report the pronunciation that system response action corresponds simultaneously, makes the bathroom mirror use more convenient, and experience effect is better.
As shown in fig. 3, the temperature and humidity detecting module 1 includes a temperature and humidity sensor chip U4, a first resistor R1, and a second resistor R2; a power supply end of the temperature and humidity sensor chip U4 is electrically connected to an output end of the second voltage conversion unit 67 (VCC); a clock signal terminal of the temperature and humidity sensor chip U4 is electrically connected to the control module 7(SCL) and is electrically connected to an output terminal of the second voltage conversion unit 67(VCC) through the first resistor R1; a data signal end of the temperature and humidity sensor chip U4 is electrically connected to the control module 7(SDA) and is electrically connected to an output end of the second voltage conversion unit 67 through the second resistor R2; the grounding end of the temperature and humidity sensor chip U4 is grounded.
In this embodiment, the temperature and humidity sensor chip U4 detects a temperature and humidity signal of ambient air, and performs current limiting through the first resistor R1 and the second resistor R2, so as to avoid burning out electronic components.
As shown in fig. 4, the defogging switch module 3 includes a first MOS transistor Q1, a third resistor R3, a fourth resistor R5, a fifth resistor R4, and a first capacitor C5; the drain and the source of the first MOS transistor Q1 are respectively an input end and an output end of the defogging switch module 3, and the source of the first MOS transistor Q1 is grounded and is electrically connected with the drain of the first MOS transistor Q1 through the first capacitor C5 and the fifth resistor R4 in sequence; one end of the third resistor R3 is a control end of the defogging switch module 3, and the other end of the third resistor R3 is electrically connected to the gate of the first MOS transistor Q1 and grounded through the fourth resistor R5.
It should be noted that, in this embodiment, the on-off state of the defogging switch module 3 is further controlled by controlling the on-state of the first MOS transistor Q1, and current is limited by the third resistor R3, the fourth resistor R5, and the fifth resistor R4, so as to avoid burning out electronic components, and noise in the circuit is filtered by the first capacitor C5, so as to improve the stability of the circuit.
As shown in fig. 5, the voice input recognition module 4 includes a voice recognition unit P1, a sixth resistor R6, and a seventh resistor R7; a first end and a second end of the voice recognition unit P1 are electrically connected to the voice broadcasting module 5(TX1 port and RX1 port), respectively; the third end of the voice recognition unit P1 is electrically connected to the second output end (VCC) of the power supply module 6; the fourth end of the voice recognition unit P1 is electrically connected to the control module 7(TX port) via the sixth resistor R6; the fifth terminal of the voice recognition unit P1 is electrically connected to the control module 7(RX port) via the seventh resistor R7; the sixth terminal of the voice recognition unit P1 is grounded.
It should be noted that, in the figure, the voice input recognition part is connected with the voice broadcasting part through a 1 st pin and a 2 nd pin, is connected with the single chip part through a 4 th pin and a 5 th pin by using a resistor, and is connected with the power supply part through a 3 rd pin and a 6 th pin; in this embodiment, the voice recognition unit P1 is a voice recognition chip, but is not limited thereto; the voice recognition unit P1 obtains the user voice information and recognizes the control command to send the corresponding control data to the control module, and the current is limited by the sixth resistor R6 and the seventh resistor R7, so as to avoid burning out electronic components.
As shown in fig. 6, the voice broadcasting module 5 includes a voice broadcasting unit P2, an eighth resistor R8, and a ninth resistor R9; a first end of the voice broadcasting unit P2 is electrically connected to a second output end (VCC) of the power supply module 6; a second end of the voice broadcasting unit P2 is electrically connected to the voice input recognition module 4 through the eighth resistor R8; the third end of the voice broadcasting unit P2 is electrically connected to the voice input recognition module 4 through the ninth resistor; the fourth terminal of the voice broadcasting unit P2 is grounded.
It should be noted that, in the figure, the voice broadcasting part is connected with the voice input recognition part through a 2 rd and a 3 rd pin by a resistor for data communication, and is connected with the power supply part through a 1 st and a 4 th pin; in this embodiment, the function of the voice broadcast unit P2 is controlled by the control module, broadcasts the voice information of the system response situation, and carries out current limiting through the eighth resistor R8 and the ninth resistor R9, thereby avoiding burning out electronic components. The voice broadcasting unit is electrically connected with the voice input recognition unit, the voice input recognition module is electrically connected with the control module, and the control module controls the voice broadcasting unit through controlling the voice input recognition unit.
As shown in fig. 7, the bathroom mirror automatic defogging control circuit further includes a human body sensing module (not marked), wherein the human body sensing module includes a human body sensing sensor unit 81, a first current limiting unit 82, a second current limiting unit 83 and a first filtering unit 84; the human body induction sensor unit 81 is electrically connected with the control module 7 through the first current limiting unit 82; the human body sensing sensor unit 81 is electrically connected to the output terminal of the second voltage converting unit 67 through the second current limiting unit 83 and is grounded through the first filtering unit 84.
In this embodiment, the human body sensing sensor unit 81 is an infrared sensor or a pyroelectric sensor, but is not limited thereto; the human body proximity sensor unit 81 is used for sensing a human body proximity signal, and the control module 7 is used for controlling the on-off state of the demisting switch module 3 according to the human body proximity signal and the temperature and humidity signal, so that the demisting film can start to work only when a user approaches a bathroom mirror (namely, when the user uses the bathroom mirror or detects that the user is at home) and if the temperature and humidity signal (the temperature and humidity of air is higher) detected by the temperature and humidity detection module 1 is larger than a preset value; on the contrary, if the user is not at home, the defogging function is not turned on by default, thereby avoiding wasting too much power.
As shown in fig. 8, the bathroom mirror automatic defogging control circuit further comprises a display module (not marked); the display module includes a display unit 91, a third current limiting unit 92, a fourth current limiting unit 93 and a second filtering unit 94, the display unit 91 is electrically connected to the control module 7 through the third current limiting unit 92, and the display unit 91 is electrically connected to the output terminal of the second voltage converting unit 67 through the fourth current limiting unit 93 and is grounded through the second filtering unit 94.
It should be noted that, in this embodiment, the temperature and humidity value of the current environment and other related information (weather, etc.) are displayed through the display unit 91, so as to improve the user experience, the current is limited through the third current limiting unit 92 and the fourth current limiting unit 93, so as to avoid burning out electronic components, and noise in the circuit is filtered through the second filtering unit 94, so as to improve the stability of the circuit. It should be noted that, when the human body proximity sensor unit 81 detects a human body proximity signal, the display unit 91 is powered on to operate, so that a user can display the human body proximity signal when the user needs the human body proximity signal, thereby avoiding unnecessary power loss.
As shown in fig. 9, the automatic defogging control circuit for bathroom mirrors further includes an illumination module (not labeled), the illumination module includes an illumination unit 21, a first switch unit 22 and a fifth current limiting unit 23, an input end of the first switch unit 22 is electrically connected to the power supply module 6 through the illumination unit 21, a control end of the first switch unit 22 is electrically connected to the control module 4 through the fifth current limiting unit 23, and an output end of the first switch unit 22 is grounded.
It should be noted that, in this embodiment, when the human body proximity sensor unit 81 detects a human body proximity signal, the first switch unit 22 is turned on, the lighting unit 21 is powered on to provide a lighting function for a user, and the fifth current limiting unit 23 is used for limiting current, so as to avoid burning out electronic components, and avoid unnecessary power loss.
As shown in fig. 10, the power supply module 6 includes a power supply unit 61, a first voltage conversion unit 66, a second voltage conversion unit 67, a voltage detection unit 62, a second switching unit 63, a charge conversion unit 64, and an indication unit 65; the input end of the first voltage conversion unit 66 is the first output end of the power supply module 6 and is electrically connected to the power supply unit 61 and the voltage detection unit 62, the output end of the first voltage conversion unit 66 is electrically connected to the input end of the second voltage conversion unit 67, and the output end of the second voltage conversion unit 67 is the second output end of the power supply module 6; the control terminal of the second switch unit 63, the voltage detection unit 62 and the indication unit 65 are electrically connected to the control module 7, respectively, the input terminal of the second switch unit 63 is electrically connected to the charging conversion unit 64, and the output terminal of the second switch unit 63 is electrically connected to the charging terminal of the power supply unit 61.
It should be noted that, in this embodiment, the first voltage conversion unit 66 and the second voltage conversion unit 67 are used for converting to obtain the working voltage suitable for each electronic component, the voltage detection unit 62 is used for detecting the voltage signal of the power supply unit 61 to obtain the remaining power of the power supply unit, when the remaining power of the power supply unit 61 is less than the preset power, the second switch unit 63 is turned on, and the commercial power is used for charging the power supply unit 61 through the charging conversion unit 64, so as to ensure the endurance of the power supply unit 61, and when the remaining power of the power supply unit 61 is less than the preset power for a long time, the indication unit 65 is used for indicating to remind the user of replacement or maintenance.
As shown in fig. 11, the first voltage conversion unit 4 includes a first voltage regulation chip U1, a second capacitor C1, and a third capacitor C3; the input end of the first voltage stabilizing chip U1 is the input end of the first voltage conversion unit 4; the output end of the first voltage stabilizing chip U1 is the output end of the first voltage conversion unit 4 and is grounded through the second capacitor C1, and the third capacitor C3 is connected in parallel with the second capacitor C1; the ground terminal of the first voltage regulation chip U1 is grounded.
As shown in fig. 12, the second voltage conversion unit 67 includes a second voltage regulation chip U2, a fourth capacitor C2, and a fifth capacitor C4; the input end of the second voltage stabilization chip U2 is the input end of the second voltage conversion unit 67; the output end of the second voltage regulation chip U2 is the output end of the second voltage conversion unit 67 and is grounded through the fourth capacitor C2, and the fifth capacitor C4 is connected in parallel with the fourth capacitor C2; the ground terminal of the second voltage stabilization chip U2 is grounded.
In this embodiment, voltage conversion is performed sequentially through the first voltage regulation chip U1 and the second voltage regulation chip U2 to obtain an operating voltage suitable for each electronic component, and noise in the circuit is filtered through the second capacitor C1, the third capacitor C3, the fourth capacitor C2, and the fifth capacitor C4, so as to improve the stability of power supply.
As shown in fig. 13 to 14, each of the first switch unit 22 and the second switch unit 63 includes a second MOS transistor 221, a tenth resistor 222, an eleventh resistor 223, and a sixth capacitor 224; the gate, the drain, and the source of the second MOS transistor 221 are respectively a control end, an input end, and an output end of the first switch unit 22 or the second switch unit 63; the gate of the second MOS transistor 221 is grounded through the tenth resistor 222; the source of the second MOS 221 is grounded and is electrically connected to the drain of the second MOS 221 sequentially through the sixth capacitor 224 and the eleventh resistor 223.
It should be noted that, in this embodiment, the on-off states of the first switch unit 22 and the second switch unit 63 are further controlled by controlling the conducting state of the second MOS transistor 221, and current is limited by the tenth resistor 222 and the eleventh resistor 223, so as to avoid burning out electronic components, and noise in the circuit is filtered by the sixth capacitor 224, so as to improve the stability of the circuit.
Preferably, the bathroom mirror automatic defogging control circuit further comprises a wireless communication module (not marked), and the wireless communication module is electrically connected with the second output end of the power supply module 6 and the control module 7.
It should be noted that, in this embodiment, the user can also be at customer ends such as cell-phones with the utility model discloses a long-range wireless communication is established to the product to carry out long-range real time monitoring to this product, when the product breaks down, can carry out timely maintenance and handle, improve user's use and experience.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (10)
1. An automatic demisting control circuit for bathroom mirrors is characterized by comprising a temperature and humidity detection module, a demisting membrane interface module, a demisting switch module, a voice input recognition module, a voice broadcasting module, a power supply module and a control module;
the first output end of the power supply module is electrically connected with one end of the defogging film interface module, the other end of the defogging film interface module is electrically connected with the input end of the defogging switch module, and the second output end of the power supply module is electrically connected with the control module, the voice input recognition module, the voice broadcast module and the temperature and humidity detection module;
the output end of the demisting switch module is grounded, the control end of the demisting switch module, the voice input recognition module and the temperature and humidity detection module are respectively electrically connected with the control module, and the voice broadcasting module is electrically connected with the voice input recognition module.
2. The automatic defogging control circuit for a bathroom mirror as claimed in claim 1, wherein said power supply module comprises a power supply unit, a first voltage conversion unit, a second voltage conversion unit, a voltage detection unit, a second switch unit, a charging conversion unit and an indication unit;
the input end of the first voltage conversion unit is a first output end of the power supply module and is electrically connected with the power supply unit and the voltage detection unit, the output end of the first voltage conversion unit is electrically connected with the input end of the second voltage conversion unit, and the output end of the second voltage conversion unit is a second output end of the power supply module;
the control end, the voltage detection unit and the indication unit of the second switch unit are respectively electrically connected with the control module, the input end of the second switch unit is electrically connected with the charging conversion unit, and the output end of the second switch unit is electrically connected with the charging end of the power supply unit.
3. The automatic defogging control circuit for the bathroom mirror as claimed in claim 2, wherein said temperature and humidity detection module comprises a temperature and humidity sensor chip, a first resistor and a second resistor;
the power supply end of the temperature and humidity sensor chip is electrically connected with the output end of the second voltage conversion unit;
the clock signal end of the temperature and humidity sensor chip is electrically connected with the control module and is electrically connected with the output end of the second voltage conversion unit through the first resistor;
the data signal end of the temperature and humidity sensor chip is electrically connected with the control module and is electrically connected with the output end of the second voltage conversion unit through the second resistor;
and the grounding end of the temperature and humidity sensor chip is grounded.
4. The automatic defogging control circuit for a bathroom mirror as claimed in claim 1, wherein said defogging switch module comprises a first MOS transistor, a third resistor, a fourth resistor, a fifth resistor and a first capacitor;
the drain electrode and the source electrode of the first MOS tube are respectively the input end and the output end of the defogging switch module, and the source electrode of the first MOS tube is grounded and is electrically connected with the drain electrode of the first MOS tube sequentially through the first capacitor and the fifth resistor;
one end of the third resistor is a control end of the defogging switch module, and the other end of the third resistor is electrically connected with the grid electrode of the first MOS tube and is grounded through the fourth resistor.
5. The bathroom mirror automatic defogging control circuit according to claim 1, wherein said voice input recognition module comprises a voice recognition unit, a sixth resistor and a seventh resistor;
the first end and the second end of the voice recognition unit are respectively electrically connected with the voice broadcasting module;
the third end of the voice recognition unit is electrically connected with the second output end of the power supply module;
the fourth end of the voice recognition unit is electrically connected with the control module through the sixth resistor;
the fifth end of the voice recognition unit is electrically connected with the control module through the seventh resistor;
the sixth end of the voice recognition unit is grounded.
6. The automatic demisting control circuit for the bathroom mirror according to claim 1, wherein the voice broadcasting module comprises a voice broadcasting unit, an eighth resistor and a ninth resistor;
the first end of the voice broadcasting unit is electrically connected with the second output end of the power supply module;
the second end of the voice broadcasting unit is electrically connected with the voice input recognition module through the eighth resistor;
the third end of the voice broadcasting unit is electrically connected with the voice input recognition module through the ninth resistor;
and the fourth end of the voice broadcasting unit is grounded.
7. The automatic defogging control circuit for a bathroom mirror as claimed in claim 2, further comprising a human body sensing module, wherein said human body sensing module comprises a human body sensing sensor unit, a first current limiting unit, a second current limiting unit and a first filtering unit;
the human body induction sensor unit is electrically connected with the control module through the first current limiting unit;
the human body induction sensor unit is electrically connected with the output end of the second voltage conversion unit through the second current limiting unit and is grounded through the first filtering unit.
8. The automatic defogging control circuit for a bathroom mirror recited in claim 7, further comprising a display module and an illumination module;
the display module comprises a display unit, a third current limiting unit, a fourth current limiting unit and a second filtering unit, the display unit is electrically connected with the control module through the third current limiting unit, and the display unit is electrically connected with the output end of the second voltage conversion unit through the fourth current limiting unit and is grounded through the second filtering unit;
the lighting module comprises a lighting unit, a first switch unit and a fifth current-limiting unit, wherein the input end of the first switch unit is electrically connected with the power supply module through the lighting unit, the control end of the first switch unit is electrically connected with the control module through the fifth current-limiting unit, and the output end of the first switch unit is grounded.
9. The automatic defogging control circuit for a bathroom mirror as claimed in claim 8, wherein said first switching unit and said second switching unit each comprise a second MOS transistor, a tenth resistor, an eleventh resistor and a sixth capacitor;
the grid electrode, the drain electrode and the source electrode of the second MOS tube are respectively a control end, an input end and an output end of the first switch unit or the second switch unit;
the grid electrode of the second MOS tube is grounded through the tenth resistor;
the source electrode of the second MOS tube is grounded and is electrically connected with the drain electrode of the second MOS tube sequentially through the sixth capacitor and the eleventh resistor.
10. The automatic defogging control circuit for a bathroom mirror as claimed in any one of claims 1 to 9, further comprising a wireless communication module electrically connected to the second output terminal of the power supply module and the control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122433066.8U CN217285329U (en) | 2021-10-09 | 2021-10-09 | Automatic defogging control circuit for bathroom mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122433066.8U CN217285329U (en) | 2021-10-09 | 2021-10-09 | Automatic defogging control circuit for bathroom mirror |
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| Publication Number | Publication Date |
|---|---|
| CN217285329U true CN217285329U (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122433066.8U Active CN217285329U (en) | 2021-10-09 | 2021-10-09 | Automatic defogging control circuit for bathroom mirror |
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| CN (1) | CN217285329U (en) |
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- 2021-10-09 CN CN202122433066.8U patent/CN217285329U/en active Active
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