CN213310512U - Electric toothbrush circuit - Google Patents
Electric toothbrush circuit Download PDFInfo
- Publication number
- CN213310512U CN213310512U CN202021530506.0U CN202021530506U CN213310512U CN 213310512 U CN213310512 U CN 213310512U CN 202021530506 U CN202021530506 U CN 202021530506U CN 213310512 U CN213310512 U CN 213310512U
- Authority
- CN
- China
- Prior art keywords
- charging
- control circuit
- resistor
- main chip
- chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003990 capacitor Substances 0.000 claims description 36
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Landscapes
- Brushes (AREA)
Abstract
The utility model discloses an electric toothbrush circuit, which comprises a charging control circuit, a switch circuit, a motor control circuit and a main chip control circuit; the input end of the charging control circuit is externally connected with direct current, the output end of the charging control circuit is connected with the battery, the charging state indicating end of the charging control circuit is connected with the main chip of the main chip control circuit, the switch circuit and the motor control circuit are both connected with the main chip of the main chip control circuit, and the motor control circuit is connected with the motor. The utility model discloses add charge control circuit, control battery charging through charge control circuit, effectively avoid the battery overcharge, reinforcing life.
Description
Technical Field
The utility model relates to an electric toothbrush circuit belongs to the electric toothbrush field.
Background
The existing electric toothbrush comprises a battery, a main chip, a motor, a switching circuit and an indicator light circuit, wherein the switching circuit sends a starting or closing instruction to the main chip, the main chip controls the motor to rotate or stop, and the battery supplies power to all electric elements. The existing electric toothbrush can not control the charging of the battery, so that the battery is easily overcharged, and the service life is short.
SUMMERY OF THE UTILITY MODEL
The utility model provides an electric toothbrush circuit has solved the problem among the background art.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
an electric toothbrush circuit comprises a charging control circuit, a switch circuit, a motor control circuit and a main chip control circuit;
the input end of the charging control circuit is externally connected with direct current, the output end of the charging control circuit is connected with the battery, the charging state indicating end of the charging control circuit is connected with the main chip of the main chip control circuit, the switch circuit and the motor control circuit are both connected with the main chip of the main chip control circuit, and the motor control circuit is connected with the motor.
The charging control circuit comprises a charging chip, a resistor R1, a resistor R2, a resistor R3, a capacitor C1, a capacitor C2 and a capacitor C3;
the charging voltage input end of a charging chip is respectively connected with one end of a capacitor C1 and a direct current positive electrode, the other end of a capacitor C1 is respectively connected with a ground and a direct current negative electrode, a charging full charge indicating end and a charging indicating end of the charging chip are charging state indicating ends of a charging control circuit, the charging full charge indicating end of the charging chip is connected with a battery through a resistor R2, the charging indicating end of the charging chip is connected with the battery through a resistor R1, the battery charging input end and a chip ground end of the charging chip are respectively connected with a positive electrode and a negative electrode of the battery, two ends of a resistor R3 are respectively connected with a charging current adjusting end and a chip ground end of the charging chip, two ends of a capacitor C2 are respectively connected with the battery charging input end and the chip ground end of the charging chip, and two ends of a capacitor C3 are respectively.
The main chip control circuit comprises a main chip, a capacitor C7 and a capacitor C6, wherein the capacitor C7 is connected in parallel with the power supply end and the ground end of the main chip, the capacitor C6 is connected in parallel with the power supply end and the ground end of the main chip, and the power supply end of the main chip is connected with the battery.
The switch circuit comprises a switch K1 and a resistor R6, one end of the resistor R6 is connected with the battery, the other end of the resistor is connected with the main chip of the main chip control circuit and one end of the switch K1, and the other end of the switch K1 is grounded.
The motor control circuit comprises a triode Q1, a diode D1, a resistor R8 and a resistor R9;
one end of a resistor R8 is connected with a main chip of the main chip control circuit, the other end of the resistor R8 is connected with a base electrode of a triode Q1, an emitting electrode of the triode Q1 is grounded, a collecting electrode of the triode Q1 is connected with an anode of a diode D1, a cathode of a diode D1 is connected with a battery, the motor is connected with a diode D1 in parallel, and two ends of the resistor R9 are respectively connected with the base electrode and the emitting electrode of a triode Q1.
The battery power supply circuit also comprises an indicating lamp circuit used for indicating the working state and the battery power, and the indicating lamp circuit is connected with the main chip of the main chip control circuit.
The indicating lamp circuit comprises an LED lamp D2, an LED lamp D3, an LED lamp D4, an LED lamp D5, a resistor R4 and a resistor R10;
one end of a resistor R4 is connected with a battery, the other end of the resistor R4 is respectively connected with the anode of the LED lamp D2, the anode of the LED lamp D3 and the anode of the LED lamp D5, the cathode of the LED lamp D2, the cathode of the LED lamp D3 and the cathode of the LED lamp D5 are connected with a main chip of a main chip control circuit, one end of a resistor R10 is connected with the battery, the other end of a resistor R10 is respectively connected with the anode of the LED lamp D4, and the cathode of the LED lamp D4 is connected with the main chip of the main chip control circuit.
The utility model discloses the beneficial effect who reaches: the utility model discloses add charge control circuit, control battery charging through charge control circuit, effectively avoid the battery overcharge, reinforcing life.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a circuit diagram of a charge control circuit;
FIG. 3 is a circuit diagram of a main chip control circuit;
FIG. 4 is a circuit diagram of a switching circuit;
FIG. 5 is a circuit diagram of a motor control circuit;
fig. 6 is a circuit diagram of an indicator light circuit.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, an electric toothbrush circuit includes a charge control circuit, a switch circuit, a motor control circuit, a main chip control circuit, and an indicator light circuit.
The input end of the charging control circuit is externally connected with direct current (the direct current is the direct current output by the charger), the output end of the charging control circuit is connected with the battery, the charging state indicating end of the charging control circuit is connected with the main chip of the main chip control circuit, the switch circuit, the motor control circuit and the indicating lamp circuit are all connected with the main chip of the main chip control circuit, and the motor control circuit is connected with the motor.
As shown in fig. 2, the charge control circuit includes a charging chip, a resistor R1, a resistor R2, a resistor R3, a capacitor C1, a capacitor C2, and a capacitor C3.
The charging control circuit comprises a charging chip, a charging voltage input end (4 pins) of the charging chip is connected with one end of a capacitor C1 and a direct current positive electrode respectively, the other end of the capacitor C1 is connected with a ground and a direct current negative electrode respectively, a charging full charge indication end (5 pins) and a charging indication end (1 pin) of the charging chip are charging state indication ends of a charging control circuit, the charging full charge indication end (5 pins) of the charging chip is connected with a battery through a resistor R2, the charging indication end (1 pin) of the charging chip is connected with the battery through a resistor R1, a battery charging input end (3 pins) and a chip ground end (2 pins) of the charging chip are connected with the positive electrode and the negative electrode of the battery respectively, two ends of a resistor R3 are connected with a charging current adjustment end (6 pins) and a chip ground end of the charging chip respectively, two ends of a capacitor C2 are connected with the battery charging input end and the chip ground end of the charging chip respectively, and two.
When the 4 pins of the charging chip detect that current is input, a judgment is made in the charging chip (the judgment logic is that the charging chip is carried by the charging chip), if the voltage of the battery is lower than a set value, the charging chip outputs current to the batteries connected to Bat +1 and Bat-1, namely charging is carried out, the magnitude of the output current is controlled by a resistor R3, and meanwhile, a signal is sent to the main chip through the 1 pin to prompt that the charging is carried out; if the battery voltage is higher than the set value, the charging chip closes the current output, and simultaneously sends a signal to the main chip through the 5 pins to prompt that the charging is full.
As shown in fig. 3, the main chip control circuit includes a main chip, a capacitor C7, a capacitor C6, a resistor R7, a capacitor C4 and a capacitor C5, the capacitor C7 is connected in parallel to a power supply terminal (pin 1) and a ground terminal (pin 10) of the main chip, the capacitor C6 is connected in parallel to the power supply terminal and the ground terminal of the main chip, the power supply terminal of the main chip is connected to a battery, a first receiving port (pin 3) of the main chip is connected to a charging full indication terminal (pin 5) of the charging chip sequentially through the resistor R7 and the capacitor C4, and a second receiving port (pin 6) of the main chip is connected to the charging indication terminal (pin 1) of the charging chip through a capacitor C5.
The model of main chip is PMS132, and the internal control flow is unanimous with traditional, receives the power supply of battery through 1 pin and 10 pins, and main chip 2 pin connection switch circuit is as external command input, judges whether start the toothbrush, and when main chip 2 pin received the turn-on signal, will be through main chip 4 pin control motor control circuit, through 5 or 7 pin control pilot lamp circuits simultaneously. If the main chip detects that the battery is low, the indicating lamp circuit is controlled through the 8 pins. When the main chip 3 pin or 6 pin detects the signal from the charging chip, the indicating lamp circuit is controlled by the No. 9 lead.
As shown in fig. 4, the switch circuit includes a switch K1 and a resistor R6, one end of the resistor R6 is connected to the battery, the other end of the resistor is connected to the main chip of the main chip control circuit and one end of the switch K1, and the other end of the switch K1 is grounded.
The input power supply controlled by a resistor R6 is electrified when the switch K1 is touched lightly, and when K1 is triggered by external force, a signal is sent to the main chip through pins No. 1 and No. 4 of the switch K1.
As shown in fig. 5, the motor control circuit includes a transistor Q1, a diode D1, a resistor R8, and a resistor R9.
One end of a resistor R8 is connected with a main chip of the main chip control circuit, the other end of the resistor R8 is connected with a base electrode of a triode Q1, an emitting electrode of the triode Q1 is grounded, a collecting electrode of the triode Q1 is connected with an anode of a diode D1, a cathode of a diode D1 is connected with a battery, the motor is connected with a diode D1 in parallel, and two ends of the resistor R9 are respectively connected with the base electrode and the emitting electrode of a triode Q1.
The main chip controls the triode Q to output current to the motor contact M +1/M-1 through the output of the PWM signal, thereby achieving the purpose of controlling the motor; wherein the diode D1 isolates the back emf generated by the motor rotation from damaging other circuits.
As shown in fig. 6, the indicator lamp circuit includes an LED lamp D2, an LED lamp D3, an LED lamp D4, an LED lamp D5, a resistor R4, and a resistor R10.
One end of a resistor R4 is connected with a battery, the other end of the resistor R4 is respectively connected with the anode of the LED lamp D2, the anode of the LED lamp D3 and the anode of the LED lamp D5, the cathode of the LED lamp D2, the cathode of the LED lamp D3 and the cathode of the LED lamp D5 are connected with a main chip of a main chip control circuit, one end of the resistor R10 is connected with the battery, the other end of the resistor R10 is respectively connected with the anode of the LED lamp D4, and the cathode of the LED lamp D4 is connected with the main chip of the main chip control circuit; wherein LED lamp D2, LED lamp D3 are the status light, instruct different operating condition or mode, and LED lamp D5 is for charging etc. instructs to charge, and LED lamp D4 is the electric quantity lamp, instructs the battery electric quantity.
The utility model discloses having add charge control circuit, having controlled battery charging through charge control circuit, specifically for carrying out current control through resistance R3, effectively having avoided the battery overcharge, reinforcing life still carries out the status indication through indicating circuit simultaneously, and the user can learn the toothbrush state directly perceived.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (7)
1. An electric toothbrush circuit, characterized by: the charging control circuit comprises a charging control circuit, a switching circuit, a motor control circuit and a main chip control circuit;
the input end of the charging control circuit is externally connected with direct current, the output end of the charging control circuit is connected with the battery, the charging state indicating end of the charging control circuit is connected with the main chip of the main chip control circuit, the switch circuit and the motor control circuit are both connected with the main chip of the main chip control circuit, and the motor control circuit is connected with the motor.
2. An electric toothbrush circuit according to claim 1, wherein: the charging control circuit comprises a charging chip, a resistor R1, a resistor R2, a resistor R3, a capacitor C1, a capacitor C2 and a capacitor C3;
the charging voltage input end of a charging chip is respectively connected with one end of a capacitor C1 and a direct current positive electrode, the other end of a capacitor C1 is respectively connected with a ground and a direct current negative electrode, a charging full charge indicating end and a charging indicating end of the charging chip are charging state indicating ends of a charging control circuit, the charging full charge indicating end of the charging chip is connected with a battery through a resistor R2, the charging indicating end of the charging chip is connected with the battery through a resistor R1, the battery charging input end and a chip ground end of the charging chip are respectively connected with a positive electrode and a negative electrode of the battery, two ends of a resistor R3 are respectively connected with a charging current adjusting end and a chip ground end of the charging chip, two ends of a capacitor C2 are respectively connected with the battery charging input end and the chip ground end of the charging chip, and two ends of a capacitor C3 are respectively.
3. An electric toothbrush circuit according to claim 1, wherein: the main chip control circuit comprises a main chip, a capacitor C7 and a capacitor C6, wherein the capacitor C7 is connected in parallel with the power supply end and the ground end of the main chip, the capacitor C6 is connected in parallel with the power supply end and the ground end of the main chip, and the power supply end of the main chip is connected with the battery.
4. An electric toothbrush circuit according to claim 1, wherein: the switch circuit comprises a switch K1 and a resistor R6, one end of the resistor R6 is connected with the battery, the other end of the resistor is connected with the main chip of the main chip control circuit and one end of the switch K1, and the other end of the switch K1 is grounded.
5. An electric toothbrush circuit according to claim 1, wherein: the motor control circuit comprises a triode Q1, a diode D1, a resistor R8 and a resistor R9;
one end of a resistor R8 is connected with a main chip of the main chip control circuit, the other end of the resistor R8 is connected with a base electrode of a triode Q1, an emitting electrode of the triode Q1 is grounded, a collecting electrode of the triode Q1 is connected with an anode of a diode D1, a cathode of a diode D1 is connected with a battery, the motor is connected with a diode D1 in parallel, and two ends of the resistor R9 are respectively connected with the base electrode and the emitting electrode of a triode Q1.
6. An electric toothbrush circuit according to claim 1, wherein: the battery power supply circuit also comprises an indicating lamp circuit used for indicating the working state and the battery power, and the indicating lamp circuit is connected with the main chip of the main chip control circuit.
7. An electric toothbrush circuit according to claim 6, wherein: the indicating lamp circuit comprises an LED lamp D2, an LED lamp D3, an LED lamp D4, an LED lamp D5, a resistor R4 and a resistor R10;
one end of a resistor R4 is connected with a battery, the other end of the resistor R4 is respectively connected with the anode of the LED lamp D2, the anode of the LED lamp D3 and the anode of the LED lamp D5, the cathode of the LED lamp D2, the cathode of the LED lamp D3 and the cathode of the LED lamp D5 are connected with a main chip of a main chip control circuit, one end of a resistor R10 is connected with the battery, the other end of a resistor R10 is respectively connected with the anode of the LED lamp D4, and the cathode of the LED lamp D4 is connected with the main chip of the main chip control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021530506.0U CN213310512U (en) | 2020-07-29 | 2020-07-29 | Electric toothbrush circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021530506.0U CN213310512U (en) | 2020-07-29 | 2020-07-29 | Electric toothbrush circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213310512U true CN213310512U (en) | 2021-06-01 |
Family
ID=76092385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021530506.0U Expired - Fee Related CN213310512U (en) | 2020-07-29 | 2020-07-29 | Electric toothbrush circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213310512U (en) |
-
2020
- 2020-07-29 CN CN202021530506.0U patent/CN213310512U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101908771A (en) | Circuit for realizing fast and slow charging in linear circuits and charging control method | |
| WO2017020782A1 (en) | Battery charging and discharging control circuit and battery charging and discharging system | |
| CN218958568U (en) | Backup power supply with bidirectional quick charging function | |
| CN202513559U (en) | Battery short-circuit protection circuit | |
| WO2021258366A1 (en) | Control circuit, battery management system and electrochemical device | |
| CN213310512U (en) | Electric toothbrush circuit | |
| CN109049020B (en) | Control circuit of electric shaver | |
| CN100377470C (en) | Method for realiznig zero power consumption standby of household appliance power supply by super capacity | |
| CN202737517U (en) | Charging and discharging control device | |
| CN108448681A (en) | A kind of online method for detecting of the charger of battery management system | |
| CN211908431U (en) | Lithium battery management circuit for dust collector | |
| CN201134691Y (en) | Movable power source | |
| CN101431249A (en) | Energy-saving apparatus for charger of boosted vehicle | |
| CN201298743Y (en) | Energy-saving device for moped charger | |
| CN209184290U (en) | A kind of power supply management circuit | |
| CN220673418U (en) | Battery unit protection circuit and battery package management circuit | |
| CN220985640U (en) | Novel energy storage power supply key switch circuit | |
| CN107181307B (en) | Multi-source charging protection circuit for battery | |
| CN201260085Y (en) | Solar energy controller | |
| TWM274712U (en) | Battery set for electric vehicle | |
| CN101588065B (en) | Wireless commerical power management circuit | |
| CN221485815U (en) | Automatic water feeder control circuit | |
| CN200959527Y (en) | Constant-current charger | |
| CN216618732U (en) | 220v alternating current power supply circuit of gas emergency cut-off valve | |
| CN204103536U (en) | Portable power source circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210601 |