CN110913528A - Toothbrush head LED lamp switching control circuit based on wireless power supply and control method - Google Patents
Toothbrush head LED lamp switching control circuit based on wireless power supply and control method Download PDFInfo
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- CN110913528A CN110913528A CN201911373605.4A CN201911373605A CN110913528A CN 110913528 A CN110913528 A CN 110913528A CN 201911373605 A CN201911373605 A CN 201911373605A CN 110913528 A CN110913528 A CN 110913528A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000003990 capacitor Substances 0.000 claims abstract description 15
- 230000006698 induction Effects 0.000 claims abstract description 13
- 230000008859 change Effects 0.000 claims abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 239000003086 colorant Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 abstract description 2
- 210000003128 head Anatomy 0.000 description 25
- 238000010586 diagram Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 229940034610 toothpaste Drugs 0.000 description 1
- 239000000606 toothpaste Substances 0.000 description 1
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Abstract
The invention discloses a toothbrush head LED lamp switching control circuit based on wireless power supply and a control method, wherein the power supply of a transmitting induction coil for supplying power to a toothbrush handle is interrupted instantaneously by pressing a button of a toothbrush handle, the transmitting induction coil transmits an interrupt signal to an IC controller, and the IC controller correspondingly generates an output signal to change the working state of an LED lamp after receiving the interrupt signal. The invention utilizes the instant interrupt signal of the wireless charging transmitting inductance coil to control the working state of the LED lamp of the toothbrush head, has smart design and relatively simple components, is more beneficial to the compactness of the structure of the toothbrush and saves the production cost; the circuit formed by peripheral devices such as a diode, a capacitor and the like is designed, so that the IC controller in the brush head rod is not influenced by the instant power failure of the wireless charging receiving inductance coil, and the control circuit has strong external interference resistance and cannot influence other equipment.
Description
Technical Field
The invention belongs to the field of electric toothbrushes, and particularly relates to a toothbrush head LED lamp switching control circuit and a toothbrush head LED lamp switching control method based on wireless power supply.
Background
The electric toothbrush can make the brush head generate high-frequency vibration through the quick rotation or vibration of the motor core, instantly decompose toothpaste into fine foam to deeply clean teeth gaps, and meanwhile, the vibration of the brush hair can promote the blood circulation of the oral cavity and has a massage effect on gum tissues. The brush head of the electric toothbrush on the market mostly does not have the light function, only has the brush hair, and does not have other tooth health care functions, although a few electric toothbrushes have the light function, the light color of the brush head can not be switched in the using process of the toothbrush.
Disclosure of Invention
The invention aims to solve the problems, and provides a toothbrush head LED lamp switching control circuit and a control method based on wireless power supply, which are convenient for the electric toothbrush to switch the working state of the toothbrush head of the electric toothbrush at any time in the using process, so that various tooth health care functions with different efficacies are conveniently realized.
The technical scheme of the invention is realized in such a way that a toothbrush head LED lamp switching control circuit based on wireless power supply is characterized in that: the circuit mainly comprises a brush holder main control board, a wireless charging transmitting inductance coil, a brush holder key and a brush holder battery which are arranged in a toothbrush handle main body; the wireless charging receiving inductance coil, the brush head IC controller, the LED lamp group I, the LED lamp group II and the charging capacitor are arranged in the toothbrush head rod; the wireless charging transmitting induction coil is characterized in that two ends of the wireless charging transmitting induction coil are connected to ports of the brush holder main control board, two ends of a brush holder battery are connected to the other two ports of the brush holder main control board and provide a working power supply for the wireless charging transmitting induction coil, and the brush holder key is connected to the other ports of the brush holder main control board and can control the on-off of the power supply of the wireless charging transmitting induction coil; the wireless charging receiving inductance coil is matched with the wireless charging transmitting inductance coil, and the positive terminal of the wireless charging receiving inductance coil is connected to the voltage interruption signal identification input end of the IC controller of the brush head IC controller after being connected with a voltage reduction resistor in series; the positive end of the wireless charging transmitting inductance coil is connected to the working voltage input end of the brush head IC controller through a diode connected in series, and a charging capacitor is connected between a circuit between the diode and the working voltage input end of the brush head IC controller and a working ground; the positive end of the wireless charging transmitting inductance coil is also respectively connected with the voltage input ends of two triodes, and the voltage output ends of the two triodes are respectively connected with a resistor in series and then are connected to the LED lamp group I and the LED lamp group II; the signal control ends of the two triodes are respectively connected to the switching signal output ends of the two IC controllers of the brush head IC controller.
Further, above-mentioned toothbrush head LED lamp based on wireless power supply switches control circuit, its characterized in that: the working voltage input end of the brush head IC controller is powered by the charging capacitor to normally work when the wireless charging receiving inductance coil is interrupted in power supply.
Further, above-mentioned toothbrush head LED lamp based on wireless power supply switches control circuit, its characterized in that: when the voltage interruption signal identification input end of the IC controller identifies the voltage interruption signal, the brush head IC controller outputs a control signal at the switching signal output end of the IC controller.
Further, above-mentioned toothbrush head LED lamp based on wireless power supply switches control circuit, its characterized in that: the brush handle main control board is also connected with an electric motor.
Further, above-mentioned toothbrush head LED lamp based on wireless power supply switches control circuit, its characterized in that: the LED lamp group I27 and the LED lamp group II 28 are two LED lamp groups with different colors.
A toothbrush head LED lamp switching control method based on wireless power supply is characterized by comprising the following specific steps: a wireless charging receiving inductance coil, an IC controller and an LED lamp or an LED lamp group are arranged in the toothbrush head rod; a wireless charging transmitting inductance coil is arranged at the top end of the toothbrush handle main body close to the toothbrush head connecting position; the power supply of the transmitting coil is interrupted instantaneously, the wireless charging receiving inductance coil synchronously and instantaneously has no induced current, the IC controller obtains a current interruption signal to change the working state of the LED lamp or the LED lamp group, and the IC controller keeps the power supply of the IC controller to work normally without interruption through a circuit formed by peripheral devices such as a diode, a capacitor and the like in the process that the wireless charging receiving inductance coil does not have the induced current instantaneously.
Further, the toothbrush head LED lamp switching control method based on wireless power supply is characterized in that: the change of the working state of the LED lamp or the LED lamp group comprises the switching between the LED lamp groups with different colors or the change of the working state of the LED lamp between the on state and the off state.
Further, the toothbrush head LED lamp switching control method based on wireless power supply is characterized in that: the instantaneous interruption of the power supply operation of the transmitting coil is realized by a handle button arranged on the main body of the toothbrush handle.
The working principle is as follows: the invention relates to a toothbrush head LED lamp switching control circuit and a method based on wireless power supply, which utilize the pressing of a toothbrush handle key to ensure that the power supply of a transmitting induction coil for supplying power to a toothbrush handle is interrupted instantaneously, the transmitting induction coil transmits an interrupt signal to an IC controller, and the IC controller correspondingly generates an output signal to change the working state of an LED lamp after receiving the interrupt signal.
The invention has the beneficial effects that: 1. the invention is particularly suitable for the electric toothbrush adopting wireless induction power supply between the toothbrush handle and the toothbrush head, controls the working state of the LED lamp of the toothbrush head by utilizing the instant interrupt signal of the wireless charging transmitting inductance coil, has smart design and relatively simple components, is more beneficial to the compactness of the structure of the toothbrush, and can save the production cost. 2. A circuit formed by peripheral devices such as a diode and a capacitor is designed, so that the IC controller in the brush head rod is not influenced by instant power failure of the wireless charging receiving inductance coil. 3. The control circuit has strong external interference resistance, does not influence other equipment, and has strong stability.
Drawings
Fig. 1 is a schematic diagram of a control circuit structure according to the present invention.
FIG. 2 is a schematic block diagram of a control method of the present invention.
In the figure, 1, toothbrush handle main body, 2, toothbrush head rod, 11, brush holder main control board, 12, wireless charging transmitting inductance coil, 13, brush holder key, 14, brush holder battery, 15, electric motor, 21, wireless charging receiving inductance coil, 22, brush head IC controller, 23, step-down resistor, 24, IC controller voltage interrupt signal identification input end, 25, IC controller switching signal output end, 26, triode, 27, LED banks I, 28, LED banks II, 29, charging capacitor.
Detailed Description
As shown in fig. 1, the wireless power supply-based toothbrush head LED lamp switching control circuit mainly includes a toothbrush handle main control board 11, a wireless charging transmitting inductance coil 12, a toothbrush handle key 13 and a toothbrush handle battery 14, which are arranged in a toothbrush handle main body 1; the wireless charging receiving inductance coil 21, the brush head IC controller 22, the LED lamp group I27, the LED lamp group II 28 and the charging capacitor 29 are arranged in the toothbrush head rod 2; wireless charging transmitting inductance coil 12 both ends be connected to on the port of brush holder main control board 11, brush holder battery 14 both ends be connected to two other ports on the brush holder main control board 11 and provide working power supply for wireless charging transmitting inductance coil 12, brush holder button 13 be connected to on other ports on the brush holder main control board 11 and the break-make of steerable wireless charging transmitting inductance coil 12 power supply. The wireless charging receiving inductance coil 21 is matched with the wireless charging transmitting inductance coil 12, and the positive terminal of the wireless charging receiving inductance coil is connected to an IC controller voltage interruption signal identification input terminal 24 of the brush head IC controller 22 through a voltage reduction resistor 23 connected in series; the positive terminal of the wireless charging transmitting inductance coil 12 is connected to the working voltage input terminal of the brushhead IC controller 22 by serially connecting a diode, and a charging capacitor 29 is connected between the circuit between the diode and the working voltage input terminal of the brushhead IC controller 22 and the working ground; the positive end of the wireless charging transmitting inductance coil 12 is also respectively connected with the voltage input ends of two triodes 26, and the voltage output ends of the two triodes 26 are respectively connected with a resistor in series and then are connected to an LED lamp group I27 and an LED lamp group II 28; the signal control terminals of the two triodes 26 are respectively connected to the two IC controller switching signal output terminals 25 of the brushhead IC controller 22.
The working voltage input end of the brushhead IC controller 22 is powered by the charging capacitor 29 to work normally when the wireless charging receiving inductance coil 21 is interrupted.
When the voltage interrupt signal identification input end 24 of the IC controller identifies the voltage interrupt signal, the brush head IC controller 22 outputs a control signal at the IC controller switching signal output end 25.
The brush holder main control board 11 is also connected with an electric motor 15.
The LED lamp group I27 and the LED lamp group II 28 are LED lamp groups with two different colors, for example, the LED lamp group I27 is a red LED lamp group, the LED lamp group II 28 is a blue LED lamp group, or other color combinations such as red light and purple light, purple light and blue light.
As shown in fig. 2, the toothbrush head LED lamp switching control method based on wireless power supply is characterized in that the specific method is as follows: a wireless charging receiving inductance coil, an IC controller and an LED lamp or an LED lamp group are arranged in the toothbrush head rod; a wireless charging transmitting inductance coil is arranged at the top end of the toothbrush handle main body close to the toothbrush head connecting position; the power supply of the transmitting coil is interrupted instantaneously, the wireless charging receiving inductance coil synchronously and instantaneously has no induced current, the IC controller obtains a current interruption signal to change the working state of the LED lamp or the LED lamp group, and the IC controller keeps the power supply of the IC controller to work normally without interruption through a circuit formed by peripheral devices such as a diode, a capacitor and the like in the process that the wireless charging receiving inductance coil does not have the induced current instantaneously.
The above-mentioned change of the operating state of the LED lamp or the LED lamp group includes switching between LED lamp groups of different colors, or changing the operating state of the LED lamp between on and off.
The power supply operation of the instantaneous interruption transmitting coil is realized by a handle key arranged on the toothbrush handle body, and two ends of the handle key are connected between the power supply battery and the wireless charging transmitting inductance coil.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (8)
1. Toothbrush head LED lamp switches control circuit based on wireless power supply, its special in lie in: the circuit mainly comprises a brush holder main control board, a wireless charging transmitting inductance coil, a brush holder key and a brush holder battery which are arranged in a toothbrush handle main body; the wireless charging receiving inductance coil, the brush head IC controller, the LED lamp group I, the LED lamp group II and the charging capacitor are arranged in the toothbrush head rod; the wireless charging transmitting induction coil is characterized in that two ends of the wireless charging transmitting induction coil are connected to ports of the brush holder main control board, two ends of a brush holder battery are connected to the other two ports of the brush holder main control board and provide a working power supply for the wireless charging transmitting induction coil, and the brush holder key is connected to the other ports of the brush holder main control board and can control the on-off of the power supply of the wireless charging transmitting induction coil; the wireless charging receiving inductance coil is matched with the wireless charging transmitting inductance coil, and the positive terminal of the wireless charging receiving inductance coil is connected to the voltage interruption signal identification input end of the IC controller of the brush head IC controller after being connected with a voltage reduction resistor in series; the positive end of the wireless charging transmitting inductance coil is connected to the working voltage input end of the brush head IC controller through a diode connected in series, and a charging capacitor is connected between a circuit between the diode and the working voltage input end of the brush head IC controller and a working ground; the positive end of the wireless charging transmitting inductance coil is also respectively connected with the voltage input ends of two triodes, and the voltage output ends of the two triodes are respectively connected with a resistor in series and then are connected to the LED lamp group I and the LED lamp group II; the signal control ends of the two triodes are respectively connected to the switching signal output ends of the two IC controllers of the brush head IC controller.
2. The toothbrush head LED lamp switching control circuit based on wireless power supply of claim 1, which is characterized in that: the working voltage input end of the brush head IC controller is powered by the charging capacitor to normally work when the wireless charging receiving inductance coil is interrupted in power supply.
3. The toothbrush head LED lamp switching control circuit based on wireless power supply of claim 1, wherein the toothbrush head IC controller outputs the control signal at the IC controller switching signal output terminal when the IC controller voltage interrupt signal identification input terminal identifies the voltage interrupt signal.
4. The toothbrush head LED lamp switching control circuit based on wireless power supply of claim 1, wherein the LED lamp group I27 and the LED lamp group II 28 are two LED lamp groups with different colors.
5. The toothbrush head LED lamp switching control circuit based on wireless power supply of claim 1, characterized in that the brush handle main control board is further connected with an electric motor.
6. A toothbrush head LED lamp switching control method based on wireless power supply is characterized by comprising the following specific steps: a wireless charging receiving inductance coil, an IC controller and an LED lamp or an LED lamp group are arranged in the toothbrush head rod; a wireless charging transmitting inductance coil is arranged at the top end of the toothbrush handle main body close to the toothbrush head connecting position; the power supply of the transmitting coil is interrupted instantaneously, the wireless charging receiving inductance coil synchronously and instantaneously has no induced current, the IC controller obtains a current interruption signal to change the working state of the LED lamp or the LED lamp group, and the IC controller keeps the power supply of the IC controller to work normally without interruption through a circuit formed by peripheral devices such as a diode, a capacitor and the like in the process that the wireless charging receiving inductance coil does not have the induced current instantaneously.
7. The toothbrush head LED lamp switching control method based on wireless power supply of claim 6, characterized in that: the change of the working state of the LED lamp or the LED lamp group comprises the switching between the LED lamp groups with different colors or the change of the working state of the LED lamp between the on state and the off state.
8. The toothbrush head LED lamp switching control method based on wireless power supply of claim 6, characterized in that: the instantaneous interruption of the power supply operation of the transmitting coil is realized by a handle button arranged on the main body of the toothbrush handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911373605.4A CN110913528A (en) | 2019-12-27 | 2019-12-27 | Toothbrush head LED lamp switching control circuit based on wireless power supply and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911373605.4A CN110913528A (en) | 2019-12-27 | 2019-12-27 | Toothbrush head LED lamp switching control circuit based on wireless power supply and control method |
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| CN110913528A true CN110913528A (en) | 2020-03-24 |
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| CN201911373605.4A Pending CN110913528A (en) | 2019-12-27 | 2019-12-27 | Toothbrush head LED lamp switching control circuit based on wireless power supply and control method |
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