CN216310570U - Low-power circuit applied to rope skipping machine - Google Patents
Low-power circuit applied to rope skipping machine Download PDFInfo
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- CN216310570U CN216310570U CN202122695579.6U CN202122695579U CN216310570U CN 216310570 U CN216310570 U CN 216310570U CN 202122695579 U CN202122695579 U CN 202122695579U CN 216310570 U CN216310570 U CN 216310570U
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Abstract
The embodiment of the utility model discloses a low-power circuit applied to a rope skipping machine, which comprises a wake-up key ON, a triode Q1, a triode Q2, a triode Q4, a resistor R1, a resistor R2, a resistor R3, a resistor R19, a resistor R20 and a resistor R21, wherein one end of the resistor R1, one end of the resistor R2 and the E poles of the triode Q1 and the triode Q4 are connected with a battery of the rope skipping machine; the B pole of the triode Q1 is connected with the other end of the resistor R1 and is connected with the C pole of the triode Q2 through a resistor R19; the E pole of the triode Q2 is connected with GND, and the B pole is connected with an IO signal end of the MCU of the rope skipping machine through a resistor R21; the B pole of the triode Q4 is connected with the other end of the resistor R2 and is connected with one end of the awakening key ON; the other end of the awakening key ON is connected with the other IO signal end of the MCU of the rope skipping machine through a resistor R20 and is connected with GND through a resistor R3. The utility model can reduce the standby power consumption to 0W, prolong the service life of the battery of the rope skipping machine and increase the user experience.
Description
Technical Field
The utility model relates to the field of rope skipping machines, in particular to a low-power circuit applied to a rope skipping machine.
Background
When the traditional rope skipping machine is in standby, the chip enters a dormant state to wait for awakening, but is not powered off. The chip of the scheme enters a dormant state, power is always consumed, and the power cannot be reduced to 0W.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the embodiments of the present invention is to provide a low power circuit applied to a rope skipping machine, so as to reduce standby power consumption of a rope skipping machine product and improve the service life of the product.
In order to solve the technical problem, an embodiment of the present invention provides a low power circuit applied to a rope skipping machine, where the rope skipping machine includes an MCU and a battery, the low power circuit includes a wake-up key ON, a transistor Q1, a transistor Q2, a transistor Q4, a resistor R1, a resistor R2, a resistor R3, a resistor R19, a resistor R20, and a resistor R21, one end of the resistor R1, one end of the resistor R2, and an E-pole of the transistor Q1 and the transistor Q4 are connected to the battery of the rope skipping machine; the B pole of the triode Q1 is connected with the other end of the resistor R1 and is connected with the C pole of the triode Q2 through a resistor R19; the E pole of the triode Q2 is connected with GND, and the B pole is connected with an IO signal end of the MCU of the rope skipping machine through a resistor R21; the B pole of the triode Q4 is connected with the other end of the resistor R2 and is connected with one end of the awakening key ON; the other end of the awakening key ON is connected with the other IO signal end of the MCU of the rope skipping machine through a resistor R20 and is connected with GND through a resistor R3.
Furthermore, the device also comprises a capacitor C8, and two ends of the capacitor C8 are respectively connected with GND and the other end of the wake-up key ON.
Further, the transistor Q1 and the transistor Q4 are PNP transistors, and the transistor Q2 is an NPN transistor.
The utility model has the beneficial effects that: the utility model can reduce the standby power consumption to 0W, prolong the service life of the battery of the rope skipping machine and increase the user experience; 2. compared with the prior art, the power supply has the advantage of standby power consumption of 0W, and the market competitiveness is increased.
Drawings
Fig. 1 is a circuit diagram of a low power circuit applied to a rope skipping machine according to an embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application can be combined with each other without conflict, and the present invention is further described in detail with reference to the drawings and specific embodiments.
Referring to fig. 1, the low power circuit applied to the rope skipping machine according to the embodiment of the utility model includes a wake-up key ON, a transistor Q1, a transistor Q2, a transistor Q4, a resistor R1, a resistor R2, a resistor R3, a resistor R19, a resistor R20, and a resistor R21.
One end of the resistor R1, one end of the resistor R2 and the E poles of the triode Q1 and the triode Q4 are connected with a battery of the rope skipping machine; the B pole of the triode Q1 is connected with the other end of the resistor R1 and is connected with the C pole of the triode Q2 through a resistor R19; the E pole of the triode Q2 is connected with GND, and the B pole is connected with an IO signal end of the MCU of the rope skipping machine through a resistor R21; the B pole of the triode Q4 is connected with the other end of the resistor R2 and is connected with one end of the awakening key ON; the other end of the awakening key ON is connected with the other IO signal end of the MCU of the rope skipping machine through a resistor R20 and is connected with GND through a resistor R3. The C electrodes of the transistor Q1 and the transistor Q4 are connected with a 3V power supply.
As an implementation mode, the low-power circuit applied to the rope skipping machine further comprises a capacitor C8, and two ends of the capacitor C8 are connected to GND and the other end of the wake-up key ON respectively.
In one embodiment, transistors Q1 and Q4 are PNP transistors and transistor Q2 is an NPN transistor.
When the wake-up key ON is pressed, the resistors R2 and R3 divide the voltage, so that the Q4PNP triode is conducted, and the chip (MCU) supplies power for a short time. Meanwhile, when the MUC-I02 detects voltage, the MCU-IO 1 outputs high level to enable the Q2NPN triode to be conducted, and at the moment, R1 and R19 divide voltage to enable Q1PNP to be conducted, so that the battery supplies power to the chip (MCU), and the high level output of the MCU-IO 1 is maintained. By circulating the above steps, the battery can supply power to the chip at all times. When in standby, the power supply to the chip is cut off.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A low-power circuit applied to a rope skipping machine comprises an MCU and a battery, and is characterized in that the low-power circuit comprises a wake-up key ON, a triode Q1, a triode Q2, a triode Q4, a resistor R1, a resistor R2, a resistor R3, a resistor R19, a resistor R20 and a resistor R21, wherein one end of a resistor R1, one end of a resistor R2, and the E poles of the triode Q1 and the triode Q4 are connected with the battery of the rope skipping machine; the B pole of the triode Q1 is connected with the other end of the resistor R1 and is connected with the C pole of the triode Q2 through a resistor R19; the E pole of the triode Q2 is connected with GND, and the B pole is connected with an IO signal end of the MCU of the rope skipping machine through a resistor R21; the B pole of the triode Q4 is connected with the other end of the resistor R2 and is connected with one end of the awakening key ON; the other end of the awakening key ON is connected with the other IO signal end of the MCU of the rope skipping machine through a resistor R20 and is connected with GND through a resistor R3.
2. The low-power circuit applied to the rope skipping machine as claimed in claim 1, further comprising a capacitor C8, wherein two ends of the capacitor C8 are connected to GND and the other end of the wake-up button ON respectively.
3. The low power circuit for a rope jump of claim 1, wherein transistor Q1 and transistor Q4 are PNP transistors and transistor Q2 is an NPN transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122695579.6U CN216310570U (en) | 2021-11-05 | 2021-11-05 | Low-power circuit applied to rope skipping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122695579.6U CN216310570U (en) | 2021-11-05 | 2021-11-05 | Low-power circuit applied to rope skipping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216310570U true CN216310570U (en) | 2022-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122695579.6U Active CN216310570U (en) | 2021-11-05 | 2021-11-05 | Low-power circuit applied to rope skipping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216310570U (en) |
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2021
- 2021-11-05 CN CN202122695579.6U patent/CN216310570U/en active Active
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