CN219875172U - Control circuit of mosquito repellent fan and mosquito repellent fan applying same - Google Patents
Control circuit of mosquito repellent fan and mosquito repellent fan applying same Download PDFInfo
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- CN219875172U CN219875172U CN202321327033.8U CN202321327033U CN219875172U CN 219875172 U CN219875172 U CN 219875172U CN 202321327033 U CN202321327033 U CN 202321327033U CN 219875172 U CN219875172 U CN 219875172U
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- 239000000077 insect repellent Substances 0.000 title claims abstract description 43
- 238000001514 detection method Methods 0.000 claims abstract description 78
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 37
- 238000004891 communication Methods 0.000 claims abstract description 25
- 230000010355 oscillation Effects 0.000 claims abstract description 19
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims abstract description 16
- 239000003990 capacitor Substances 0.000 claims description 54
- 239000013078 crystal Substances 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 3
- 241000255925 Diptera Species 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 4
- 239000011664 nicotinic acid Substances 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 230000001846 repelling effect Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 241000238633 Odonata Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of mosquito repellers, in particular to a control circuit of a mosquito repellent fan and the mosquito repellent fan using the same, wherein the circuit comprises a control management module, a power supply voltage stabilizing module, a power supply switching module, a charging detection module, a battery voltage detection module, an oscillation signal generation module, a motor driving module, a debugging port module, a wireless communication module and a time detection module; the control management module is electrically connected with the keys through key terminals, the power supply switching module and the charging detection module are electrically connected with the battery through battery terminals, and the motor driving module is electrically connected with the motor through motor terminals; the utility model has the function of detecting the voltage, the electric quantity and the service life of the battery, can provide stable voltage in the process of switching the charging mode, simultaneously protects the battery, and prolongs the service life of the mosquito-repellent fan.
Description
Technical Field
The utility model relates to the technical field of mosquito repellers, in particular to a control circuit of a mosquito repellent fan and the mosquito repellent fan using the same.
Background
The mosquito dispeller is a living article used for killing and expelling mosquitoes by people in summer and autumn, and the mosquito dispeller on the market is various in variety at present, wherein the electric heating type mosquito dispeller has the characteristics of convenience in use and good mosquito prevention effect, and is widely used by people, but the mosquito dispeller is used for expelling mosquitoes in a heating and volatilizing mode, so that the mosquito dispeller has dangerousness, and meanwhile, the used medicament is liquid, is inconvenient to carry and use and is troublesome to use.
In order to solve the above problems, a mosquito repellent fan is shown in the market, for example, chinese patent CN218043451U discloses a mosquito repellent, which comprises a housing, a fan, a control circuit board, a photovoltaic power generation board and an energy storage battery; the control circuit board is installed in the casing and is electrically connected with the fan, and the control circuit board is used for driving the fan to work intermittently, and the photovoltaic power generation board is installed at the top of the casing and is electrically connected with the control circuit board, and the energy storage battery is installed in the casing and is electrically connected with the control circuit board respectively.
The mosquito dispeller described above, although utilizing a photovoltaic power generation panel to convert light energy into electric energy and storing the electric energy in an energy storage battery, is driven by a control circuit board to intermittently operate a fan, has the following problems:
(1) Because the voltage, the electric quantity and the using time of the battery are not detected, the energy storage battery is easy to excessively store energy or excessively use, so that the output voltage is unstable, damage to internal elements such as a fan and the like can be caused, and the service life of the mosquito repelling fan device is further shortened.
(2) When the electric energy of the battery is consumed, the power is directly supplied through the photovoltaic power generation plate, so that the battery is damaged due to unstable supply voltage in the switching process, and the service life of the mosquito dispeller is shortened.
Disclosure of Invention
The utility model aims to provide a control circuit of a mosquito-repellent fan and the mosquito-repellent fan using the same, which have the functions of detecting the voltage, the electric quantity and the service life of a battery, can provide stable voltage in the process of switching a charging mode, simultaneously protect the battery and prolong the service life of the mosquito-repellent fan.
To achieve the purpose, the utility model adopts the following technical scheme:
the control circuit of the mosquito-repellent fan comprises a control management module, a power supply voltage stabilizing module, a power supply switching module, a charging detection module, a battery voltage detection module, an oscillation signal generation module, a motor driving module, a debugging port module, a wireless communication module and a time detection module;
the control management module is respectively and electrically connected with the charging detection module, the battery voltage detection module, the oscillation signal generation module, the motor driving module, the debugging port module, the wireless communication module and the time detection module;
the control management module is electrically connected with the keys through key terminals, the power supply switching module and the charging detection module are electrically connected with an external power supply through charging terminals, the power supply switching module and the battery voltage detection module are electrically connected with the battery through battery terminals, and the motor driving module is electrically connected with the motor through motor terminals;
the control management module is used for controlling and managing the charging detection module, the battery voltage detection module, the oscillation signal generation module, the motor driving module, the debugging port module, the wireless communication module and the time detection module after receiving and processing the key signals and the communication signals.
Preferably, the control management module comprises a control management chip U2, a capacitor C3, an antenna E1, a resistor R4, a capacitor C5, a capacitor C4, a resistor R3, a resistor R2, a resistor R1, an indicator light LED1, a resistor R6 and a switch button SW1;
the model of the control management chip U2 is JY2.4G;
the 1 st end of the control management chip U2 is electrically connected with one end of the capacitor C3, and the other end of the capacitor C3 is grounded;
the 2 nd end and the 3 rd end of the control management chip U2 are respectively and electrically connected with the oscillation signal generation module;
the 4 th end of the control management chip U2 is electrically connected with the antenna E1;
the 5 th end of the control management chip U2 is grounded;
the 6 th end of the control management chip U2 is electrically connected with the battery voltage detection module;
the 7 th end of the control management chip U2 is electrically connected with the charging detection module;
the 8 th end of the control management chip U2 is electrically connected with one end of the resistor R4, and the other end of the resistor R4 is electrically connected with the motor driving module 7;
the 10 th end of the control management chip U2 is electrically connected with the 3V working voltage and one end of the capacitor C5 respectively, and the other end of the capacitor C5 is grounded;
the 11 th end of the control management chip U2 is electrically connected with one end of the capacitor C4, and the other end of the capacitor C4 is grounded;
the 12 th end of the control management chip U2 is electrically connected with one end of the resistor R3, the 14 th end of the control management chip U2 is electrically connected with one end of the resistor R2, the other end of the resistor R3 and the other end of the resistor R2 are both electrically connected with the input end of the indicator light LED1, and the output end of the indicator light LED1 is grounded;
the 13 th end of the control management chip U2 is electrically connected with one end of the resistor R6, the other end of the resistor R6 is electrically connected with one end of the switch button SW1, and the other end of the switch button SW1 is grounded;
the 15 th end of the control management chip U2 is electrically connected with one end of the resistor R1, the other end of the resistor R1 is electrically connected with the key port P3 of the key terminal, and the key port P5 of the key terminal is grounded;
the 16 th end of the control management chip U2 is electrically connected with the debugging port module.
Preferably, the power supply voltage stabilizing module comprises a voltage stabilizing chip U1, a capacitor C1 and a capacitor C2;
the model of the voltage stabilizing chip U1 is LN6206SOT23-3;
the 3 rd end of the voltage stabilizing chip U1 is electrically connected with the power supply switching module 3 and one end of the capacitor C1 respectively, the 2 nd end of the voltage stabilizing chip U1 outputs 3V working voltage, the 2 nd end of the voltage stabilizing chip U1 is electrically connected with one end of the capacitor C2, and the other end of the capacitor C1, the other end of the capacitor C2 and the 3 rd end of the voltage stabilizing chip U1 are grounded.
Preferably, the power supply switching module includes a diode D4 and a diode D5;
the anode of the diode D4 is electrically connected with 5V working voltage, and the cathode of the diode D4 is grounded;
the positive electrode of the diode D5 is electrically connected with the battery port P6 and the battery port P7 of the battery terminal, the battery port P8 of the battery terminal is grounded, and the negative electrode of the diode D5 is grounded.
Preferably, the charging detection module comprises a resistor R8, a resistor R9 and a triode U4;
the drain electrode of triode U4 with control management module 1 electricity is connected, triode U4's grid with the one end of resistance R8 and the one end electricity of resistance R9 are connected, the other end of resistance R8 is connected with the charging port P11 electricity of charging detection terminal, charging port P11 of charging detection terminal is used for detecting and inputting 5V operating voltage, charging port P12 of charging detection terminal the other end of resistance R9 and triode U4's source all ground connection.
Preferably, the battery voltage detection module comprises a resistor R10, a resistor R11 and a capacitor C6;
one end of the resistor R10 is electrically connected with the battery port P6 and the battery port P7 of the battery terminal 500, the other end of the resistor R10, one end of the resistor R11 and one end of the capacitor C6 are all electrically connected with the control management module 1, and the other end of the resistor R11, the other end of the capacitor C6 and the battery port P8 of the battery terminal 500 are electrically connected.
Preferably, the oscillation signal generating module comprises a crystal oscillator chip Y1;
the model of the crystal oscillator chip Y1 is D3225;
the 1 st end and the 3 rd end of the crystal oscillator chip Y1 are electrically connected with the control management module 1;
and the 2 nd end and the 4 th end of the crystal oscillator chip Y1 are grounded.
Preferably, the motor driving module comprises a resistor R7, a triode U3, a resistor R5 and a zener diode D3;
the drain electrode of the triode U3, one end of the resistor R5 and the positive electrode of the zener diode D3 are electrically connected with a motor port P10 of a motor terminal, and the other end of the resistor R5, the negative electrode of the zener diode D3 and the motor port P9 of the motor terminal are connected with a 3V working voltage;
and one end of a grid electrode of the triode U3 and one end of the resistor R7 are electrically connected with the control management module 1, and the other ends of a source electrode of the triode U3 and the resistor R7 are grounded.
Preferably, the debug port module includes a debug port P1, a debug port P2, and a debug port P4;
the debugging port P1 is electrically connected with the control management module 1;
the debugging port P2 is connected with a 3V working voltage;
the debug port P4 is grounded.
A mosquito-repellent fan device, which adopts the control circuit of the mosquito-repellent fan device.
One of the above technical solutions has the following beneficial effects: firstly, the power supply switching module judges that the battery or an external charging power supply performs discharging work, and stable working voltage is input to the motor through the power supply voltage stabilizing module. And secondly, the charging detection module and the battery voltage detection module have the function of detecting the charging voltage and the discharging voltage of the battery, so that the service life of the battery is prolonged. Furthermore, the consumer can use intelligent software to connect the mosquito-repellent fan device through the communication of the wireless communication module, and specific parameters and settings are clear on the intelligent software, such as: the electric quantity, the current medicine quantity display, the timing time, the current equipment state, the current equipment mode and the like; the time detection module can also start a corresponding time mode through the key signals of the keys and the communication signals of the wireless communication module, for example, 8-hour cycle timing (8-hour on and 16-hour off) is set, and the energy-saving effect is achieved.
In summary, the charging detection module and the battery voltage detection module have the function of detecting the voltage, the electric quantity and the use time length of the battery, and can provide stable voltage in the process of switching the charging mode by combining the voltage stabilizing function of the power supply voltage stabilizing module and the automatic switching function of the switching module, meanwhile, the battery is protected, and the service life of the mosquito repelling fan is prolonged.
Drawings
FIG. 1 is a schematic diagram of a control circuit of a mosquito repellent fan according to the present utility model;
FIG. 2 is a schematic circuit diagram of a control management module and key terminals of the control circuit of the mosquito repellent fan of the present utility model;
FIG. 3 is a schematic diagram of a power supply voltage stabilizing module of the control circuit of the mosquito repelling fan of the present utility model;
FIG. 4 is a schematic circuit diagram of a power supply switching module of the control circuit of the mosquito-repellent fan of the present utility model;
FIG. 5 is a schematic circuit diagram of a charge detection module and a charge terminal of the control circuit of the mosquito repellent fan of the present utility model;
FIG. 6 is a schematic circuit diagram of a battery voltage detection module and battery terminals of the control circuit of the mosquito repellent fan of the present utility model;
FIG. 7 is a schematic circuit diagram of an oscillation signal generating module of a control circuit of the mosquito repellent fan of the present utility model;
FIG. 8 is a schematic circuit diagram of a motor drive module and motor terminals of the control circuit of the mosquito repellent fan of the present utility model;
FIG. 9 is a schematic circuit diagram of a debug port module of the control circuit of the mosquito repellent fan of the present utility model;
in the accompanying drawings: the power supply voltage stabilizing module 2, the power supply switching module 3, the charging detection module 4, the battery voltage detection module 5, the oscillation signal generation module 6, the motor driving module 7, the debugging port module 8, the wireless communication module 9, the time detection module 10, the key terminal 100, the charging terminal 400, the battery terminal 500 and the motor terminal 700.
Detailed Description
The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, a control circuit of a mosquito-repellent fan comprises a control management module 1, a power supply voltage stabilizing module 2, a power supply switching module 3, a charging detection module 4, a battery voltage detection module 5, an oscillation signal generation module 6, a motor driving module 7, a debugging port module 8, a wireless communication module 9 and a time detection module 10;
the control management module 1 is electrically connected with the charging detection module 4, the battery voltage detection module 5, the oscillation signal generation module 6, the motor driving module 7, the debugging port module 8, the wireless communication module 9 and the time detection module 10 respectively;
the control management module 1 is electrically connected with the keys through a key terminal 100, the power supply switching module 3 and the charging detection module 4 are electrically connected with an external power supply through a charging terminal 400, the power supply switching module 3 and the battery voltage detection module 5 are electrically connected with the battery through a battery terminal 500, and the motor driving module 7 is electrically connected with the motor through a motor terminal 700;
the control management module 1 is configured to control and manage the charge detection module 4, the battery voltage detection module 5, the oscillation signal generation module 6, the motor driving module 7, the debug port module 8, the wireless communication module 9, and the time detection module 10 after receiving and processing the key signal and the communication signal.
The functions of the modules are as follows: the power supply voltage stabilizing module 2 is electrically connected with the power supply switching module 3 and is used for stabilizing the input charging voltage or battery voltage, and the power supply switching module 3 is used for switching the charging voltage power supply or the battery voltage power supply;
the charging detection module 4 is used for detecting charging voltage; the battery voltage detection module 5 is used for detecting the electric quantity of a battery; the oscillation signal generation module 6 is used for generating various bionic signals based on the bionic principle; the motor driving module 7 is used for driving the motor to work or stop working so as to control the rotation or stop rotation of the fan; the debugging port module 8 is used for externally connecting a diagnosis device and receiving a debugging signal to debug the mosquito-repellent fan; the wireless communication module 9 is used for being in communication connection with external software and receiving communication signals; the time detection module 10 is configured to initiate a corresponding time pattern.
Specifically, as shown in fig. 2-3, the working principle of the utility model is as follows: firstly, the power supply switching module 3 judges that the battery or the external charging power supply performs discharging work, and a stable working voltage is input to the motor through the power supply voltage stabilizing module 2. Secondly, the charge detection module 4 and the battery voltage detection module 5 have the function of detecting the charge voltage and the discharge voltage of the battery, so that the service life of the battery is prolonged. Furthermore, the consumer can use the intelligent software to connect the mosquito-repellent fan device through the wireless communication module 9, and specific parameters and settings are clear on the intelligent software, such as: the electric quantity, the current medicine quantity display, the timing time, the current equipment state, the current equipment mode and the like; the time detection module 10 can also start a corresponding time mode through the key signals of the keys and the communication signals of the wireless communication module 9, for example, 8-hour cycle timing (8-hour on and 16-hour off) is set, and the energy-saving effect is achieved.
In summary, the charge detection module 4 and the battery voltage detection module 5 of the utility model have the functions of detecting the voltage, the electric quantity and the use time length of the battery, and combine the voltage stabilizing function of the power supply voltage stabilizing module 2 and the automatic switching function of the switching module 12 to provide stable voltage in the process of switching the charge mode and protect the battery at the same time, thereby prolonging the service life of the mosquito-repellent fan.
To further illustrate, the control management module 1 includes a control management chip U2, a capacitor C3, an antenna E1, a resistor R4, a capacitor C5, a capacitor C4, a resistor R3, a resistor R2, a resistor R1, an indicator LED1, a resistor R6, and a switch button SW1;
the model of the control management chip U2 is JY2.4G;
the 1 st end of the control management chip U2 is electrically connected with one end of the capacitor C3, and the other end of the capacitor C3 is grounded;
the 2 nd end and the 3 rd end of the control management chip U2 are respectively and electrically connected with the oscillation signal generation module 6;
the 4 th end of the control management chip U2 is electrically connected with the antenna E1;
the 5 th end of the control management chip U2 is grounded;
the 6 th end of the control management chip U2 is electrically connected with the battery voltage detection module 5;
the 7 th end of the control management chip U2 is electrically connected with the charging detection module 4;
the 8 th end of the control management chip U2 is electrically connected with one end of the resistor R4, and the other end of the resistor R4 is electrically connected with the motor driving module 7;
the 10 th end of the control management chip U2 is electrically connected with the 3V working voltage and one end of the capacitor C5 respectively, and the other end of the capacitor C5 is grounded;
the 11 th end of the control management chip U2 is electrically connected with one end of the capacitor C4, and the other end of the capacitor C4 is grounded;
the 12 th end of the control management chip U2 is electrically connected with one end of the resistor R3, the 14 th end of the control management chip U2 is electrically connected with one end of the resistor R2, the other end of the resistor R3 and the other end of the resistor R2 are both electrically connected with the input end of the indicator light LED1, and the output end of the indicator light LED1 is grounded;
the 13 th end of the control management chip U2 is electrically connected with one end of the resistor R6, the other end of the resistor R6 is electrically connected with one end of the switch button SW1, and the other end of the switch button SW1 is grounded;
the 15 th end of the control management chip U2 is electrically connected with one end of the resistor R1, the other end of the resistor R1 is electrically connected with the key port P3 of the key terminal 100, and the key port P5 of the key terminal 100 is grounded;
the 16 th end of the control management chip U2 is electrically connected with the debugging port module 8.
As shown in fig. 2, fig. 2 is a schematic circuit diagram of the control management module 1 and the key terminal 100 according to the present utility model. The control management chip U2 is used for logic control and operation and generates display control signals. The key terminal 100 is used to make the mosquito repellent fan easy to use by switching or mode selection to enhance the user experience.
To further illustrate, the power supply voltage stabilizing module 2 includes a voltage stabilizing chip U1, a capacitor C1 and a capacitor C2;
the model of the voltage stabilizing chip U1 is LN6206SOT23-3;
the 3 rd end of the voltage stabilizing chip U1 is electrically connected with the power supply switching module 3 and one end of the capacitor C1 respectively, the 2 nd end of the voltage stabilizing chip U1 outputs 3V working voltage, the 2 nd end of the voltage stabilizing chip U1 is electrically connected with one end of the capacitor C2, and the other end of the capacitor C1, the other end of the capacitor C2 and the 3 rd end of the voltage stabilizing chip U1 are grounded.
Specifically, the power supply voltage stabilizing module 2 is configured to reduce the input voltage to a 3V working voltage, and stably output the 3V working voltage to the motor; if the input power voltage fluctuates or the voltage at each point in the circuit fluctuates due to other reasons, the power supply voltage stabilizing module 2 can ensure that the input voltage is basically unchanged, thereby ensuring the stable operation of the mosquito-repellent fan.
To illustrate further, the power supply switching module 3 includes a diode D4 and a diode D5;
the anode of the diode D4 is electrically connected with 5V working voltage, and the cathode of the diode D4 is grounded;
the anode of the diode D5 is electrically connected to the battery port P6 and the battery port P7 of the battery terminal 700, the battery port P8 of the battery terminal 700 is grounded, and the cathode of the diode D5 is grounded.
Specifically, the power supply switching module 3 uses the unidirectional conductive characteristics of the diode D4 and the diode D5 to realize the simplest and reliable low-cost reverse connection preventing function.
To illustrate further, the charge detection module 4 includes a resistor R8, a resistor R9, and a transistor U4;
the drain electrode of triode U4 with control management module 1 electricity is connected, triode U4's grid with the one end of resistance R8 and the one end electricity of resistance R9 are connected, the other end of resistance R8 is connected with the charge port P11 electricity of charge detection terminal, charge port P11 of charge detection terminal 400 is used for detecting and inputting 5V operating voltage, charge port P12 of charge detection terminal 400 the other end of resistance R9 and triode U4's source all ground connection.
To illustrate further, the battery voltage detection module 5 includes a resistor R10, a resistor R11, and a capacitor C6;
one end of the resistor R10 is electrically connected with the battery port P6 and the battery port P7 of the battery terminal 500, the other end of the resistor R10, one end of the resistor R11 and one end of the capacitor C6 are all electrically connected with the control management module 1, and the other end of the resistor R11, the other end of the capacitor C6 and the battery port P8 of the battery terminal 500 are electrically connected.
In this embodiment, the battery condition can be detected by the charging detection module 4 and the battery voltage detection module 5, and the current voltage and the capacity of the battery can be judged, so as to achieve the safe charging effect.
To illustrate further, the oscillation signal generation module 6 includes a crystal oscillator chip Y1;
the model of the crystal oscillator chip Y1 is D3225;
the 1 st end and the 3 rd end of the crystal oscillator chip Y1 are electrically connected with the control management module 1;
and the 2 nd end and the 4 th end of the crystal oscillator chip Y1 are grounded.
Specifically, the single chip microcomputer is internally provided with a program for generating bionic signals of various bionic principles, and can simulate various biological principles, such as bat ultrasonic waves, dragonfly wing acoustic waves, male mosquito coupling acoustic waves and high-low frequency conversion ultrasonic waves, so as to achieve the purpose of repelling mosquitoes.
To further illustrate, the motor driving module 7 includes a resistor R7, a triode U3, a resistor R5, and a zener diode D3;
the drain electrode of the triode U3, one end of the resistor R5 and the positive electrode of the zener diode D3 are electrically connected with a motor port P10 of a motor terminal, and the other end of the resistor R5, the negative electrode of the zener diode D3 and the motor port P9 of the motor terminal are connected with a 3V working voltage;
and one end of a grid electrode of the triode U3 and one end of the resistor R7 are electrically connected with the control management module 1, and the other ends of a source electrode of the triode U3 and the resistor R7 are grounded.
Specifically, when the control management chip U2 outputs a control signal to the motor driving module 7, the gate potential of the triode U3 is changed from a low level to a high level, so that the source electrode of the triode U3 is grounded, and the motor is turned on, thereby realizing accurate driving control of the motor.
To illustrate further, the debug port module 8 includes a debug port P1, a debug port P2, and a debug port P4;
the debugging port P1 is electrically connected with the control management module 1;
the debugging port P2 is connected with a 3V working voltage;
the debug port P4 is grounded.
Specifically, the debug port module 8 can provide an effective interface for chip debugging and base station testing without affecting the original normal functions, so that the debugging efficiency is improved, and the working stability is ensured.
A mosquito-repellent fan device, which adopts the control circuit of the mosquito-repellent fan device.
The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will occur to those skilled in the art from consideration of this specification without the exercise of inventive faculty, and such equivalent modifications and alternatives are intended to be included within the scope of the utility model as defined in the claims.
Claims (10)
1. The control circuit of the mosquito-repellent fan is characterized by comprising a control management module, a power supply voltage stabilizing module, a power supply switching module, a charging detection module, a battery voltage detection module, an oscillation signal generation module, a motor driving module, a debugging port module, a wireless communication module and a time detection module;
the control management module is respectively and electrically connected with the charging detection module, the battery voltage detection module, the oscillation signal generation module, the motor driving module, the debugging port module, the wireless communication module and the time detection module;
the control management module is electrically connected with the keys through key terminals, the power supply switching module and the charging detection module are electrically connected with an external power supply through charging terminals, the power supply switching module and the battery voltage detection module are electrically connected with the battery through battery terminals, and the motor driving module is electrically connected with the motor through motor terminals;
the control management module is used for controlling and managing the charging detection module, the battery voltage detection module, the oscillation signal generation module, the motor driving module, the debugging port module, the wireless communication module and the time detection module after receiving and processing the key signals and the communication signals.
2. The control circuit of claim 1, wherein the control management module comprises a control management chip U2, a capacitor C3, an antenna E1, a resistor R4, a capacitor C5, a capacitor C4, a resistor R3, a resistor R2, a resistor R1, an indicator LED1, a resistor R6, and a switch button SW1;
the model of the control management chip U2 is JY2.4G;
the 1 st end of the control management chip U2 is electrically connected with one end of the capacitor C3, and the other end of the capacitor C3 is grounded;
the 2 nd end and the 3 rd end of the control management chip U2 are respectively and electrically connected with the oscillation signal generation module;
the 4 th end of the control management chip U2 is electrically connected with the antenna E1;
the 5 th end of the control management chip U2 is grounded;
the 6 th end of the control management chip U2 is electrically connected with the battery voltage detection module;
the 7 th end of the control management chip U2 is electrically connected with the charging detection module;
the 8 th end of the control management chip U2 is electrically connected with one end of the resistor R4, and the other end of the resistor R4 is electrically connected with the motor driving module 7;
the 10 th end of the control management chip U2 is electrically connected with the 3V working voltage and one end of the capacitor C5 respectively, and the other end of the capacitor C5 is grounded;
the 11 th end of the control management chip U2 is electrically connected with one end of the capacitor C4, and the other end of the capacitor C4 is grounded;
the 12 th end of the control management chip U2 is electrically connected with one end of the resistor R3, the 14 th end of the control management chip U2 is electrically connected with one end of the resistor R2, the other end of the resistor R3 and the other end of the resistor R2 are both electrically connected with the input end of the indicator light LED1, and the output end of the indicator light LED1 is grounded;
the 13 th end of the control management chip U2 is electrically connected with one end of the resistor R6, the other end of the resistor R6 is electrically connected with one end of the switch button SW1, and the other end of the switch button SW1 is grounded;
the 15 th end of the control management chip U2 is electrically connected with one end of the resistor R1, the other end of the resistor R1 is electrically connected with the key port P3 of the key terminal, and the key port P5 of the key terminal is grounded;
the 16 th end of the control management chip U2 is electrically connected with the debugging port module.
3. The control circuit of the mosquito repellent fan according to claim 1, wherein the power supply voltage stabilizing module comprises a voltage stabilizing chip U1, a capacitor C1 and a capacitor C2;
the model of the voltage stabilizing chip U1 is LN6206SOT23-3;
the 3 rd end of the voltage stabilizing chip U1 is electrically connected with the power supply switching module (3) and one end of the capacitor C1 respectively, the 2 nd end of the voltage stabilizing chip U1 outputs 3V working voltage, the 2 nd end of the voltage stabilizing chip U1 is electrically connected with one end of the capacitor C2, and the other end of the capacitor C1, the other end of the capacitor C2 and the 3 rd end of the voltage stabilizing chip U1 are grounded.
4. The control circuit of a mosquito repellent fan according to claim 1, wherein the power supply switching module comprises a diode D4 and a diode D5;
the anode of the diode D4 is electrically connected with 5V working voltage, and the cathode of the diode D4 is grounded;
the positive electrode of the diode D5 is electrically connected with the battery port P6 and the battery port P7 of the battery terminal, the battery port P8 of the battery terminal is grounded, and the negative electrode of the diode D5 is grounded.
5. The control circuit of a mosquito repellent fan according to claim 1, wherein the charge detection module comprises a resistor R8, a resistor R9, and a transistor U4;
the drain electrode of triode U4 with control management module (1) electricity is connected, triode U4's grid with resistance R8's one end and resistance R9's one end electricity is connected, resistance R8's the other end is connected with the charging port P11 electricity of charging detection terminal, charging port P11 of charging detection terminal is used for detecting and inputting 5V operating voltage, charging port P12 of charging detection terminal the other end of resistance R9 and triode U4's source all ground connection.
6. The control circuit of a mosquito repellent fan according to claim 1, wherein the battery voltage detection module comprises a resistor R10, a resistor R11, and a capacitor C6;
one end of the resistor R10 is electrically connected with the battery port P6 and the battery port P7 of the battery terminal (500), the other end of the resistor R10, one end of the resistor R11 and one end of the capacitor C6 are all electrically connected with the control management module 1, and the other end of the resistor R11, the other end of the capacitor C6 and the battery port P8 of the battery terminal (500) are electrically connected.
7. The control circuit of a mosquito repellent fan according to claim 1, wherein the oscillation signal generating module comprises a crystal oscillator chip Y1;
the model of the crystal oscillator chip Y1 is D3225;
the 1 st end and the 3 rd end of the crystal oscillator chip Y1 are electrically connected with the control management module 1;
and the 2 nd end and the 4 th end of the crystal oscillator chip Y1 are grounded.
8. The control circuit of a mosquito repellent fan according to claim 1, wherein the motor driving module comprises a resistor R7, a triode U3, a resistor R5 and a zener diode D3;
the drain electrode of the triode U3, one end of the resistor R5 and the positive electrode of the zener diode D3 are electrically connected with a motor port P10 of a motor terminal, and the other end of the resistor R5, the negative electrode of the zener diode D3 and the motor port P9 of the motor terminal are connected with a 3V working voltage;
and one end of a grid electrode of the triode U3 and one end of the resistor R7 are electrically connected with the control management module (1), and the other ends of a source electrode of the triode U3 and the resistor R7 are grounded.
9. The control circuit of claim 1, wherein the debug port module comprises a debug port P1, a debug port P2, and a debug port P4;
the debugging port P1 is electrically connected with the control management module 1;
the debugging port P2 is connected with a 3V working voltage;
the debug port P4 is grounded.
10. A mosquito repellent fan, characterized in that a control circuit of a mosquito repellent fan as claimed in any one of claims 1-9 is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321327033.8U CN219875172U (en) | 2023-05-29 | 2023-05-29 | Control circuit of mosquito repellent fan and mosquito repellent fan applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321327033.8U CN219875172U (en) | 2023-05-29 | 2023-05-29 | Control circuit of mosquito repellent fan and mosquito repellent fan applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219875172U true CN219875172U (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321327033.8U Active CN219875172U (en) | 2023-05-29 | 2023-05-29 | Control circuit of mosquito repellent fan and mosquito repellent fan applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219875172U (en) |
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2023
- 2023-05-29 CN CN202321327033.8U patent/CN219875172U/en active Active
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